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Cosc Máinliacht-spreagtha metastasis Ailse

ag Steven Nemeroff ND ar 09/12/09 ag 04:53

Cosc Máinliacht-spreagtha metastasis Ailse

Máinliacht Ailse: Cad gá duit a fhios Roimh Am

Is é an bhunchloch de chóireáil do thromlach mór na ailsí a bhaint máinliachta an meall bunscoile. Is í an réasúnaíocht an gcur chuige seo casta: más féidir leat fáil réidh leis an ailse ag simplí mbaintear amach as an comhlacht, ansin is féidir a leigheas a bhaint amach is dócha. Ar an drochuair, ní dhéanann an cur chuige a chur san áireamh go mbeidh an ailse tar éis obráid metastasize minic (leathadh a dhéanamh d'orgáin éagsúla). Minic go leor go bhfuil an atarlú metastatic i bhfad níos tromchúisí ná an meall bunaidh. Go deimhin, le haghaidh ailse go leor go bhfuil sé an-arís agus ní metastatic na bunscoile meall-go gcruthaíonn deireadh a bheith fatal.1

I íoróin shocking, tá comhlacht ag fás ar fhianaise eolaíoch le fios gur féidir le máinliacht ailse a mhéadú ar an riosca metastasis.2 Bheadh ​​sé seo ag eitilt i bhfianaise na smaointeoireachta leighis traidisiúnta, ach tá na fíricí a shéanadh.

Chun tuiscint níos fearr ar conas is féidir le máinliacht méadú ar an riosca metastasis, a ligean ar a phlé ar dtús leis an bpróiseas iarbhír metastasis ailse. Ní mór Ní mór ord casta na n-imeachtaí a tharlaíonn d'fhonn le haghaidh ailse a scaipeadh chun cuid eile den body.2 cealla ailse scoite a bhriseadh ar shiúl ó na meall bunscoile shárú ar dtús leis an fíocháin tacaíochta láithreach a bhaineann leis an ailse. Nuair a bheidh an cille ailse briste saor in aisce de na fíocháin tacaíochta máguaird, is é an chéad chéim eile chun dul isteach i soitheach fola nó lymphatic. Tá sé seo níos éasca ná mar a rinneadh sin, fé mar is gá a dteacht isteach i soitheach fola na cille ailse a secrete einsímí a degrade an scannán íoslach na Teacht fola vessel.3 isteach i soitheach fola atá thar a bheith tábhachtach do na cille ailse aspiring metastatic, ós rud é úsáideann sé an sruth na fola mar mhórbhealaigh le haghaidh iompair a dhéanamh d'orgáin ríthábhachtach eile de chuid an chomhlachta-mar shampla an t-ae, inchinn, nó scamhóga-i gcás inar féidir é a fhoirmiú meall nua deadly.

Anois go bhfuil na cille ailse aonair isteach i sruth na fola ar deireadh, tá a chuid fadhbanna ach díreach tosaithe. Is féidir a bheith ag taisteal laistigh den sruth na fola turas ghuaiseach don cealla ailse. Is féidir le suaiteacht ó na fola go tapa ag gluaiseacht damáiste agus scrios na cille ailse. Ina theannta sin, ní mór cealla ailse a sheachaint a bhrath agus a scrios ó cealla bána fola a scaiptear sa sruth fola.

A chur i gcrích ar a aistear, ní mór na cille ailse bradacha cloí leis an líneáil na soitheach fola, nuair is degrades sé trí agus bealaí amach an membrane íoslach an soitheach fola. Is é an tasc deiridh a poll tríd an fíochán máguaird connective chun teacht ar an orgán go bhfuil a gceann scríbe. Anois is féidir na cille ailse iolrú agus a fhoirmiú choilíneacht ag fás go feidhmíonn sé mar an bonn le haghaidh ailse nua metastatic. Am tá sé ag obair in aghaidh na cealla ailse solitary. Ní mór an seicheamh iomlán na n-imeachtaí a tharlaíonn go tapa, ó tá na cealla saol teoranta span.1

Linn a fheiceáil anois go bhfuil ailse metastasis próiseas casta agus deacair. Fraught le dainséar, maireachtáil beag cealla ailse neamhspleácha seo journey.2 arduous an dóchúlacht go cealla ailse a mhaireann an turas seo agus is féidir teacht ar metastases nua a mhéadú trí rud ar bith a dhéanann freastal a dhéanamh ar an bpróiseas seo níos éasca.

I staidéar úrnua a foilsíodh san iris Annála leighis Máinliacht i 2009, thuairiscigh taighdeoirí gur féidir le máinliacht ailse féin timpeallacht a chruthú ar an gcomhlacht go Laghdaíonn mór na constaicí a metastasis go gcaithfidh cealla ailse de ghnáth face.2

Díreach mar is amhlaidh maidir leis an nochtadh gur féidir le máinliacht ailse a tháirgeadh ar bhealach malartach de metastasis go seachbhóithre constaicí nádúrtha. Le linn máinliacht ailse, deireadh a chur leis an meall beagnach i gcónaí isteach ar shláine struchtúrtha an meall agus / nó na soithigh fola bheathú an meall. Is féidir é seo mar thoradh ar scaipeadh unobstructed na cealla ailse i sruth na fola, nó síolú de na cealla ailse go díreach isteach an cófra nó abdomen.4-7 seo máinliacht-spreagtha "bealach malartach" is féidir a shimpliú go mór leis an cosán a metastasis.

Chun a léiriú, staidéar a fhoilsiú in Iris na Breataine Ailse i 2001 i gcomparáid leis an mharthanas de mhná le hailse chíche a raibh a n-siadaí bhaint surgically, chun go mairfidh de mhná le hailse chíche nach raibh máinliacht. Mar súil leis, na torthaí a bunaíodh go máinliacht feabhas suntasach maireachtáil sna blianta tosaigh.

Mar sin féin, anailís bhreise ar na sonraí a chinneadh go raibh mná a raibh obráid ar Spike ina mbaol an bháis ag ocht mbliana nach raibh go léir sa ghrúpa nach raibh surgery.8 I a léirmhíniú ar na torthaí, an údair an staidéir dúirt: "A hipitéis réasúnta a mhíniú na patrúin breathnaithe de na feidhmeanna guaise [mbaol an bháis ailse] is é sin le glacadh leis go ... Is féidir a bhaint meall bunscoile mar thoradh ar luasghéarú tobann de phróiseas metastatic ..."

Grúpa eile de thaighdeoirí trácht ar staidéar scrúdú a dhéanamh ar an chóireáil mháinliachta ailse drólainne bhí i bhfad níos dána i gcuid conclúidí: "Tacaíonn an toradh seo go láidir go máinliacht athraíonn an cúrsa nádúrtha an galar ag elongating ionchas saoil sa chuid is mó de dhaonra an othar, ach freisin ag an am céanna a ghiorrú maireachtáil i fo-thacar níos lú na n-othar. Dá bhrí sin, an dá tacaíocht fhianaise turgnamhach agus cliniciúil go máinliacht, cé a laghdú go mór le mais meall agus d'fhéadfadh a bheith leighis, is féidir paradoxically cur freisin forbairt metastasis. "2

I bhfianaise na dtorthaí ar leibhéal, cad is féidir a dhéanamh le daoine aonair dul faoi obráid ar a n-ailse chun iad féin a chosaint i gcoinne baol méadaithe metastasis? Bheadh ​​straitéis a bheith fiúntach chun scrúdú a dhéanamh ar gach ceann de na meicníochtaí a chuireann máinliacht metastasis, agus ansin plean cuimsitheach go counteracts gach aon duine de na meicníochtaí a chruthú.

CAD MÓR DUIT A FHIOS: MÁINLIACHT AILSE

• a bhaint Máinliachta de ailse Soláthraíonn ghnáth an deis is fearr saor ó ghalar marthanais.

• Molann le comhlacht atá ag fás ar fhianaise a d'fhéadfadh a máinliacht ailse féin a mhéadú ar an riosca metastasis (leathadh go ceantair eile) trí meicníochtaí éagsúla lena n-áirítear: méadú greamaitheacht cille ailse, feidhm imdhíonachta shochtadh, angiogenesis a chur chun cinn, agus athlasadh spreagúil.

• Ós rud é galar metastatic minic deadlier ná an meall bunaidh, tá sé tábhachtach a úsáid a bhaint as straitéisí coisctheacha a chosc metastasis ailse.

• I measc Céimeanna chun cuidiú le cosc ​​metastasis ailse: chomhrac greamaitheacht cille ailse, ag tacú le sláinte imdhíonachta, heightening faireachas imdhíonachta, angiogenesis cosc, íoslaghdú athlasadh, agus máinlianna a roghnú agus a úsáid a bhaint as teicnící chun cinn anesthesiologists a d'fhéadfadh laghdú ar riosca metastatic.

• cothaithigh áirithe, drugaí, na cineálacha ainéistéise, agus teicnící máinliachta a bhaineann le riosca níos lú de metastasis.

Máinliacht Méaduithe greamaitheacht Cell Ailse

Is é ceann de mheicníocht a ardaíonn máinliacht an baol metastasis ag ailse a fheabhsú cealla ceall Ailse adhesion.9 go bhfuil briste amach as an meall bunscoile utilize greamaitheacht chun tacú le n-ábaltacht a fhoirmiú metastases i orgán i bhfad i gcéin. Ní mór na cealla ailse a bheith in ann a clump le chéile agus coilíneachtaí gur féidir a leathnú agus ag fás mar. Ní dócha go mbeidh cill ailse aonair foirm meall metastatic, díreach mar is duine amháin ní dócha a fhoirmiú pobail rathúil. Úsáid cealla ailse greamaitheacht móilíní-nós galectin-3-a n-ábaltacht a éascú clump le chéile. I láthair ar an dromchla na cealla ailse, na móilíní gníomh mhaith velcro trí chead a thabhairt cealla ailse neamhspleácha chun cloí le gach other.10 cealla ailse a scaiptear sa sruth na fola a dhéanamh freisin ar úsáid galectin-3 móilíní greamaitheacht dromchla a latch isteach ar an líneáil na fola Is é an vessels.11 cloí de scaiptear cealla meall (CTC) na ballaí soitheach fola céim riachtanach chun an próiseas metastasis.

Díreach mar a bhfuil duine sleamhnáin síos cnoc oighreata Níl áthas ar stopadh más rud é nach féidir leo grab isteach ar rud éigin, beidh cill ailse nach féidir cloí leis an mballa soitheach fola ar aghaidh ach a wander tríd an sruth fola éagumasach metastases dteacht. Ní féidir latch isteach ar an bhalla an soitheach fola, ar na cealla meall a scaiptear a bheith cosúil le "long gan port" agus nach bhfuil in ann chun duga. Sa deireadh, beidh cealla bána fola a scaiptear i sruth na fola díriú agus scrios an CTC. Má tá an CTC cheangal go rathúil leis an mballa soitheach fola agus poll a bhealach a dhéanamh tríd an membrane íoslach, beidh siad úsáid a bhaint as ansin móilíní greamaitheacht galectin-3 cloí leis an orgán a fhoirmiú metastatic nua cancer.10

Chomhrac greamaitheacht Cell Ailse

Drochuair, tá léirithe ag taighde go bhfuil méadú máinliacht ailse greamaitheacht cill meall. I dturgnamh amháin go mimicked coinníollacha máinliachta, thuairiscigh eolaithe go raibh méadú ar an gceangal na cealla ailse ar na ballaí soitheach fola ag 250%, i gcomparáid le cealla ailse nach lé conditions.12 máinliachta Dá bhrí sin, tá sé thar a bheith tábhachtach don duine dul faoi mháinliacht ailse bearta a ghlacadh gur féidir cabhrú a neodrú an méadú máinliacht-spreagtha i greamaitheacht cill ailse.

Peictin citris Athraithe

Fortunately, is féidir le forlíonadh nádúrtha ar a dtugtar peictin citris athraithe (MCP) a dhéanamh go díreach. Peictin-a citris cineál aiste bia snáithín-Leasaítear leis seo nach absorbed as an intestine. Mar sin féin, peictin citris modhnaithe atá iontu, ionas gur féidir é a shú isteach sa fola agus exert a frith-ailse éifeachtaí. Is féidir é an mheicníocht trína inhibits peictin citris mhodhnú greamaitheacht cille ailse ag ceangal le móilíní greamaitheacht galectin-3 ar an dromchla na cealla ailse, ar an dóigh a chosc cealla ailse ó sticking le chéile agus a bheidh ina cluster.13 peictin citris Athraithe cosc ​​freisin a scaiptear cealla meall ó latching ar an líneáil na soithigh fola. Léiríodh é seo ag turgnamh ina bac peictin citris modified an adhésion de galectin-3 ar an líneáil na soithigh fola ag astounding 95%. Peictin citris Athraithe freisin tháinig laghdú suntasach ar an adhésion de cealla ailse chíche ar an walls.13 soitheach fola

Tá taighde suntasach doiciméadaithe an chumhacht peictin citris mhodhnú chun bac go díreach metastasis ailse. I staidéar a foilsíodh in Iris an Institiúid Náisiúnta Ailse, a bhí á riaradh peictin citris mhodhnú chun francaigh a bhí instealladh go bhfuil cealla ailse próstatach, ní ag fáil agus francaigh peictin citris mhodhnú sheirbheáil mar an ngrúpa cóimheastóra. Tugadh faoi deara metastasis scamhóg i 93% den ghrúpa a rialú, de bhrí go ach 50% de na citris peictin metastasis Athraíodh an grúpa scamhóg taithí acu. Fiú amháin níos mó faoi deara go raibh an cinneadh go raibh an grúpa peictin modhnaithe citris laghdú 89% ar an méid de na coilíneachtaí metastatic, i gcomparáid leis an rialú group.14 I turgnamh den chineál céanna, taithí lucha instealladh le cealla ailse melanoma bhí chothú go peictin citris modhnaithe laghdú de níos mó ná 90% i metastasis scamhóg i gcomparáid leis an rialú group.15

Tar éis na torthaí spreagúla sa taighde ainmhithe, peictin citris mhodhnú cuireadh ansin chun an tástáil i fir a bhfuil ailse próstatach. Sa triail, fuarthas 10 mhodhnú fir a bhfuil ailse próstatach athfhillteach peictin ciotrais (14.4 g in aghaidh an lae). Tar éis bliain amháin, tugadh faoi deara, feabhas suntasach i dul chun cinn ailse, mar atá arna chinneadh ag laghdú ar an ráta ag a bhfuil an próstatach-antigen sonracha (PSA) leibhéal increased.16 Ina dhiaidh sin bhí staidéar ina bhfuil 49 fir a bhfuil ailse próstatach de éagsúla Tugadh cineálacha peictin citris mhodhnú le haghaidh timthriall ceithre seachtaine. Tar éis dhá shraith de chóireáil le peictin citris mhodhnú, a bhí 22% de na fir a chobhsú ar a n-galar nó caighdeán saoil níos fearr; 12% go raibh galar cobhsaí ar feadh níos mó ná 24 seachtaine. Údair an staidéir i gcrích go "is cosúil MCP (peictin citris mhodhnú) a bheith acu tionchar dearfach go háirithe maidir le tairbhe cliniciúil agus caighdeán saoil d'othair a bhfuil meall bhfad chun cinn láidir." 17

Cuimhnigh le do thoil go bhfuil na hábhair staidéir ailse próstatach fhulaing cheana féin ó ghalar chun cinn. Dhealródh sé níos loighciúil dá mba rud é tús na hothair seo modhnú fhorlíonadh peictin citris roimh nósanna imeachta máinliachta a chosc ó choilíneachtaí metastatic á chur ar bun, mar a rinneadh i staidéir saotharlainne rathúil.

Tagamet (cimetidine) agus greamaitheacht Cell

Chomh maith le peictin citris modhnaithe, is féidir le maith ar a dtugtar thar an gcuntar cógas ról lárnach i laghdú greamaitheacht cill ailse. Cimetidine-dtugtar Tagamet ®-Is druga stairiúil a úsáidtear heartburn a mhaolú. Tá comhlacht atá ag fás ar fhianaise eolaíoch le fios go bhfuil seilbh cimetidine freisin potent frith-ailse gníomhaíochta. Cimetidine inhibits greamaitheacht cille ailse ag blocála an abairt de móilín a thugtar orthu E-selectin-adhesive ar an dromchla na cealla fola líneáil latch vessels.15 cealla Ailsí isteach selectin E-fhonn cloí leis an líneáil na fola vessels.18 De réir a chosc ciallaíonn an abairt de selectin E-, teorainn cimetidine suntasach ar chumas na cille ailse cloí leis na ballaí soitheach fola. Is é seo an éifeacht ar aon dul leis an Velcro a bhaint as na fola soithí ballaí a chuirfeadh ar chumas de ghnáth a scaiptear cealla meall a cheangal.

Cimetidine ar potent frith-ailse héifeachtaí a bhí ar taispeáint go soiléir i dtuarascáil a foilsíodh in Iris na Breataine Ailse i 2002. Sa staidéar seo, fuarthas 64 n-othar ailse drólainne ceimiteiripe le nó gan cimetidine (800 mg in aghaidh an lae) ar feadh bliana amháin. Ba é an marthanais 10-bliain don ghrúpa cimetidine beagnach 90%. Tá sé seo i gcodarsnacht lom leis an ngrúpa cóimheastóra, a raibh marthanais 10-bliain amháin de 49.8%. Thar cuimse, do na hothair sin le foirm níos ionsaithí de ailse drólainne, bhí an marthanais 10 mbliana 85% sna cóireáilte le cimetidine i gcomparáid le 23% i brónach a rialú group.19 údair an staidéir i gcrích, "Tógtha le chéile, na torthaí seo le fios le sásra is bun leis an éifeacht tairbhiúil cimetidine ar othair a bhfuil ailse cholaireicteach, is dócha ag blocála an abairt de selectin E-ar [líneáil na soithigh fola] soithíoch endothelial cealla agus cosc ​​a chur ar an adhésion de cealla ailse. "Tugadh tacaíocht do na torthaí eile staidéar le othair ailse cholaireicteach wherein cimetidine thabhairt do díreach seacht lá ag an am a máinliacht mhéadú trí bliana mharthanas ó 59% go 93%! 20

Soláthraíonn na sonraí seo le cás láidir ann d'othair ailse, ar a laghad cúig lá roimh máinliacht, a ingest ar a laghad 14 gram de peictin citris mhodhnú agus 800 mg de cimetidine laethúil. Féadfar an regimen meascán a leanúint ar feadh bliana nó níos faide a laghdú riosca metastatic.

Cosc Máinliacht-Spreagtha Dhíchur imdhíonachta

Ní féidir leis an ról riachtanach atá ag an chóras imdhíonachta a chomhrac ailse a shéanadh. Cé go bhfuil go leor gnéithe den chóras imdhíonachta a thagann i spraoi nuair a throid ailse iomadúla, ról na cille killer nádúrtha. Tá Nádúrtha killer (NK) cealla i ndáil le cineál cille fola bán de chúram ag lorg amach agus a scriosadh cealla ailse. Tá léirithe ag taighde gur féidir le cealla NK aithint go spontáineach agus a mharú éagsúla ailse cells.21

Nádúrtha Killer Cell (NK) Gníomhaíocht agus Ailse

Chun a léiriú ar an tábhacht a bhaineann le gníomhaíocht cille NK sa troid ailse, scrúdú ar staidéar a foilsíodh sa Taighde Ailse Chíche iris agus Cóireáil ghníomhaíocht cille NK i measc na mban go gairid tar éis obráid le haghaidh ailse chíche. Na taighdeoirí thuairiscigh gur bhain leibhéil ísle de ghníomhaíocht cille NK le baol méadaithe bás ó ailse chíche cancer.22 Go deimhin, laghdú ghníomhaíocht cille NK bhí predictor níos fearr de marthanais ná an chéim iarbhír an ailse. I gcás eile staidéar scanrúil, bhí daoine aonair a ngníomhaíocht cille laghdaithe NK roimh máinliacht le haghaidh ailse drólainne i mbaol 350% méadú ar metastasis le linn na 31 mí seo a leanas! 23

Éilíonn an dóchúlacht máinliacht-spreagtha metastasis an chóras imdhíonachta a bheith an-ghníomhach agus airdeall i lorg amach agus a scriosadh cealla ailse renegade le linn na tréimhse perioperative (an t-am díreach roimh agus tar éis obráid). Tragóideach, tá staidéir iliomad doiciméadaithe go bhfuil na torthaí máinliacht ailse i laghdú suntasach i NK cille activity.6, 7,24,25 I imscrúdú a bhfuil impleachtaí laghdaíodh ominous, gníomhaíocht cille NK i measc na mban a bhfuil máinliacht le haghaidh ailse chíche le níos mó ná 50% ar an chéad lá tar éis surgery.24 I bhfianaise an fhianaise seo gléasta, dúirt grúpa taighdeoirí: "Creidimid dá bhrí sin, go gairid tar éis máinliacht, d'fhéadfadh fiú mhífheidhm imdhíonachta neamhbhuana cheadú neoplasmaí [ailse] chun dul isteach an chéad chéim eile d'fhorbairt agus ar deireadh thiar mar sizable metastases. "7

Laghdaíonn an nós imeachta máinliachta féin ghníomhaíocht NK. Ní fhéadfadh sé seo bac NK cille-éifeacht a tharlaíonn, díreach tar éis obráid tarlú ag an am níos measa agus is féidir. Falters ghníomhaíocht cille NK nuair a bheidh sé an chuid is mó ag teastáil metastasis a throid. Is féidir leis an riosca máinliacht-spreagtha méadú de metastasis in éineacht le laghdú ar ghníomhaíocht cille NK iarmhairtí tubaisteach don duine dul faoi mháinliacht ailse. Leis sin ráite, cuireann an tréimhse perioperative fuinneog deiseanna a neartú go gníomhach feidhm imdhíonachta ag cur gníomhaíochta cille NK. Fortunately, tá nutraceutical leor, cógaisíochta, agus idirghabhálacha liachta ar a dtugtar chun feabhas a chur ar ghníomhaíocht cille NK ar fáil don duine faoi mháinliacht ailse.

PSK Méaduithe Gníomhaíocht Cell NK

Is é ceann forlíonadh nádúrtha a rá gur féidir a mhéadú ghníomhaíocht cille NK PSK, (K polaisiúicríd próitéin-cheangailte) sliocht go speisialta ullmhú as na muisiriún Coriolus versicolor. PSK Tá sé léirithe chun feabhas a chur ar ghníomhaíocht cille NK i gcumas il studies.26-29 PSK chun feabhas a chur ar ghníomhaíocht cille NK Cabhraíonn a mhíniú cén fáth go bhfuil sé léirithe go feabhas mór tagtha ar marthanais in othair ailse. Mar shampla, fuair 225 othair a bhfuil ailse scamhóg teiripe radaíochta le nó gan PSK (3 gram in aghaidh an lae). Dóibh siúd a bhfuil níos mó Céim 3 cinn ailse, bhí níos mó ná trí huaire mar go leor daoine ag cur PSK beo tar éis cúig bliana (26%), i gcomparáid leo siúd nach bhfuil ag cur PSK (8%). PSK níos mó ná dúbailt cúig bliana marthanais sna le daoine aonair a Céim 1 chun cinn níos lú ná 2 galar (39% vs.17%) 0.30

Tá grúpa na n-othar ailse drólainne bhí randamaithe a fháil ceimiteiripe ina n-aonar nó ceimiteiripe móide PSK, a tógadh ar feadh dhá bhliain. An grúpa a fhaigheann PSK bhí eisceachtúla 10-bliain mharthanas 82%. Faraor, bhí an grúpa ag fáil ceimiteiripe ina n-aonar le maireachtáil 10-bliain de ach 51% .31 I dtriail den chineál céanna a tuairiscíodh i British Journal of Ailse i 2004, fuair othair ailse drólainne ceimiteiripe ina n-aonar nó in éineacht le PSK (3 gram in aghaidh an lae) le haghaidh dhá bhliain. Sa ghrúpa le hailse Céim níos contúirtí colon 3, bhí an marthanais cúig bliana 75% sa ghrúpa PSK. Seo i gcomparáid le marthanais cúig bliana ach 46% sa ghrúpa a fhaigheann ceimiteiripe alone.32 Taighde Tá sé deimhnithe go dtiocfaidh feabhas ar PSK freisin marthanais i ailsí de na brollaigh, boilg, éasafagas, agus uterus.33-36

Nútrasúiticeáin, herbals agus Cógaisíocht go Méadú ar Ghníomhaíocht Cell NK

Tá nútrasúiticeáin eile atá doiciméadaithe a mhéadú ghníomhaíocht cille NK gairleog, glutamine, IP6 (hexaphosphate inositol), AHCC (gníomhach hexose cumaisc chomhghaolú), agus lactoferrin.37-41 turgnamh amháin i lucha a bhfuil ailse chíche go raibh mar thoradh ar fhorlíonadh glutamine i 40% laghdú i bhfás meall péireáilte le méadú 2.5-huaire i gcill NK activity.40

Eolaithe sa Ghearmáin iniúchadh ar na héifeachtaí sliocht drualus ar ghníomhaíocht cille NK i 62 n-othar ag dul faoi obráid le haghaidh ailse drólainne. Na rannpháirtithe a bhí randamaithe a fháil insileadh infhéitheach de shliocht drualus díreach roimh tugadh ainéistéiseach ginearálta, nó tugadh ainéistéiseach ginearálta ina n-aonar. Tógadh Tomhais na gníomhaíochta cille NK roimh agus 24 uair an chloig tar éis obráid. Mar súil leis, tháinig an grúpa nach bhfuair drualus laghdú 44% i ngníomhaíocht cille NK 24 uair an chloig tar éis obráid. Interestingly, thuairiscigh an eolaithe nach raibh an drualus ghrúpa ag fáil taithí a laghdú suntasach ar ghníomhaíocht cille NK tar éis obráid. Chuaigh siad ar an gconclúid go bhfuil "Is féidir insileadh perioperative de shleachta drualus cosc ​​a chur faoi chois ar ghníomhaíocht cille NK in othair ailse." 42

I measc Cógaisíocht a úsáidtear chun cur le gníomhaíocht cille NK interferon-alfa agus granulocyte-macrophage choilíneacht-spreagthach fachtóir. D'fhéadfadh a bheith taispeánadh na drugaí a chosc máinliacht-spreagtha cosc ​​imdhíonachta nuair a tugadh perioperatively.43, 44 eile drugaí imdhíonachta dlús a mheas sa suíomh perioperative interleukin-2.45

Ar a laghad cúig lá roimh máinliacht, dhealródh sé loighciúil a thionscnamh a killer nádúrtha (NK) cill-a fheabhsú chlár a bhaineann le cothaithigh cosúil PSK, lactoferrin, glutamine, agus daoine eile. Drugaí mar fhachtóir interleukin-2 agus granulocyte-macrophage choilíneacht-spreagúil atá ceadaithe sna Stáit Aontaithe, ach ní árachas sláinte a chlúdach de ghnáth iad le haghaidh molta chun críocha perioperative anseo. Le cóip saor in aisce de na moltaí is déanaí dosing do na cothaithigh agus drugaí, cuir glaoch 1-800-841-5433 nó logáil isteach ar ár dTuarascáil Máinliacht Ailse Speisialta.

Heightening Faireachais imdhíonachta le vacsaíní Ailse

I gceist le cur chuige tuisceanach leighis cóireáil ailse úsáid na vacsaíní ailse. Is é an coincheap mar an gcéanna le vacsaíní ag baint úsáide as do ghalair thógálacha, ach amháin go cealla ailse meall sprioc vacsaíní in ionad an víreas. Is gné eile sonracha na vacsaíní meall, cé go vacsaíní víreasach a cruthaíodh ó víreas cineálach, go bhfuil vacsaíní meall uathlógaí, is é sin, iad a tháirgtear ó dhuine cealla ailse féin as oifig le linn máinliachta. Is é seo an t-idirdhealú tábhachtach toisc gur féidir go mbeadh difríochtaí suntasacha idir ailsí géiniteach. An vacsaín seo ailse an-aonair amplifies go mór le cumas an chórais imdhíonachta a aithint agus díriú ar aon cealla ailse iarmharach i láthair sa chomhlacht. A chur ar fáil vacsaíní Ailse an chóras imdhíonachta leis an marcóirí ar leith a aithint ar an ailse is féidir a úsáid ansin chun mount ionsaí rathúil i gcoinne cealla ailse metastatic.

Vacsaíní ailse uathlógaí a bhfuil staidéar déanta go forleathan, leis na torthaí is mó a spreagadh faoi deara i randamaithe, trialacha cliniciúla rialaithe lena n-áirítear níos mó ná 1,300 othar ailse cholaireicteach inar tugadh vacsaíní meall tar éis obráid. Na trialacha seo a tuairiscíodh rátaí atarlú a laghdú agus a fheabhsú survival.46 Murab ionann agus ceimiteiripe, is féidir a chur faoi deara fo-iarsmaí tromchúiseacha agus tocsaineacht, go bhfuil vacsaíní ailse a teiripe milis le cruthaithe fadtéarmach safety.47

I staidéar suntasach a tuairiscíodh i 2003, bhí daoine aonair a bhfuil ailse drólainne 567 randamaithe a fháil máinliacht ina n-aonar, nó máinliachta in éineacht le vacsaíní a dhíorthaítear as a n-cealla ailse féin. Go mairfidh airmheán don ghrúpa vacsaín ailse a bhí níos mó ná 7 mbliana, i gcomparáid le go mairfidh airmheán 4.5 bliain don ghrúpa a fhaigheann máinliacht ina n-aonar. Ba é an marthanais cúig bliana 66.5% sa ghrúpa vacsaín ailse, a dwarfed an% 45.6 cúig bliana marthanais don ghrúpa a fhaigheann máinliacht alone.48 seo difríocht glaring i cúig bliana marthanais thaispeánann go soiléir an chumhacht na vacsaíní ina n-aonar ailse-in oiriúint do go mór le díriú duine díolúine féin chun díriú ar ionsaí agus cealla ailse iarmharach metastatic.

Máinliacht Ailse, Angiogenesis, agus metastasis

Ailsí a fhostú straitéis cliste a bhíonn rompu chun fás agus rath laistigh den chomhlacht. Is é Angiogenesis an próiseas trína soithigh fola nua atá déanta as soithigh fola a bhí ann cheana. Is é an foirmiú na soithigh fola nua le próiseas gnáth agus is gá le haghaidh fáis agus forbartha óige, chomh maith le haghaidh leighis fhoirceannadh. Ar an drochuair, hijack ailsí an próiseas seo ar shlí eile gnáth d'fhonn soláthar fola a mhéadú go dtí an meall. Is é an foirmiú na soithigh fola nua a sholáthar ar an meall riachtanas iomlán do metastasis rathúil ós rud é nach féidir siadaí fás níos faide ná an méid pinhead (ie, 1-2mm) gan cur a gcuid fola supply.49, 50

Frith-angiogenic Fachtóirí

B'fhéidir go mbeadh sé iontas a fhoghlaim a dhéanann freastal ar an láthair an meall bunscoile chun bac le fás ailse metastatic in áiteanna eile sa chomhlacht. Táirgeann an meall bunscoile frith-angiogenic fachtóirí a chuireann srian ar fhás metastases.51-54 na fachtóirí frith-angiogenic bac ar an foirmiú na soithigh fola nua le suímh féideartha metastasis. Drochuair, torthaí a bhaint máinliachta ar an ailse bunscoile freisin i bhaint de na fachtóirí frith-angiogenic, agus is é an fás metastasis thuilleadh bac. Le lifted na srianta sin, tá sé níos éasca anois do shuímh bheaga ar ailse metastatic a mhealladh soithigh fola nua a chur chun cinn a gcuid growth.55 Go deimhin, gur nochtadh na hábhair imní sin ag taighdeoirí a dhearbhú go bhfuil "... a d'fhéadfadh a bhaint de na meall bunscoile deireadh a chur le coimirce i gcoinne angiogenesis agus dá bhrí sin dúisigh micrometastasis díomhaoin [láithreáin beag de ailse metastatic]. "7

Mar más rud é nach raibh an caillteanas de chosc ar angiogenic ag an meall bunscoile go leor de fadhb, casadh sé amach is cúis leis an obráid eile predicament angiogenic. Tar éis máinliacht, leibhéil na tosca a mhéadú angiogenesis-ar a dtugtar fachtóir fáis soithíoch endothelial (VEGF)-atá i bhfad ardaithe. Is féidir é seo mar thoradh ar fhoirmiú méadú de soithigh fola nua a sholáthar réimse den ailse metastatic. Tá grúpa eolaithe achoimre a dhéanamh ar an taighde seo go maith go leor nuair a dhearbhaigh siad go bhfuil "tar éis obráid, tá an t-iarmhéid angiogenic fachtóirí pro-antiangiogenic agus bhog i bhfabhar angiogenesis a éascú leighis fhoirceannadh. Go háirithe leibhéil fachtóir fáis soithíoch endothelial (VEGF) atá ardaithe leanúnach. Ní fhéadfadh sé seo leas a bhaint ach atarlú meall agus foirmiú na galair metastatic, ach freisin mar thoradh ar gníomhachtú micrometastases díomhaoin. "2

Cothaithigh sin bac VEGF

Mar gheall ar an ailse metastatic an gá atá le soláthar fola ag leathnú, ba mhaith ar chosc na angiogenesis a bheith cinnte mar chuid lárnach de straitéis chuimsitheach chun dul i ngleic le máinliacht-spreagtha metastasis. Chun na críche sin, cothaithigh éagsúla bhfuil sé léirithe go bac VEGF. Ina measc seo tá isoflavones soy (Genistein), silibinin (cuid de bainne thistle), chrysin, epigallocatechin Gallate (EGCG) ó tae glas, agus curcumin.56-62

In one experiment, EGCG—the active constituent of green tea —was administered to mice with stomach cancer. The results demonstrated that EGCG reduced the tumor mass by 60%, while also reducing the concentration of blood vessels feeding the tumor by 38%. Remarkably, EGCG decreased the expression of VEGF in cancer cells by an astounding 80%! The authors of the study concluded “EGCG inhibits the growth of gastric cancer by reducing VEGF production and angiogenesis, and is a promising candidate for anti-angiogenic treatment of gastric cancer.”56

In the evaluation of the research pertaining to curcumin’s anti-angiogenic effects, researchers at Emory University School of Medicine noted that “Curcumin is a direct inhibitor of angiogenesis and also downregulates various proangiogenic proteins like vascular endothelial growth factor…” Additionally, the scientists remarked, “Cell adhesion molecules are upregulated in active angiogenesis and curcumin can block this effect, adding further dimensions to curcumin's antiangiogenic effect.” In conclusion, they commented that “Curcumin's effect on the overall process of angiogenesis compounds its enormous potential as an antiangiogenic drug.”44

Five days prior to surgery, the patient may consider supplementing with standardized green tea extract, curcumin, soy genistein extract and other nutrients that suppress VEGF and thus may help protect against angiogenesis. To receive a free copy of the latest dosing recommendations for these nutrients, call 1-800-841-5433 or log on to the Life Extension Foundation's Cancer Surgery Special Report: http://www.lef.org/featured-articles/Cancer-Surgery-Special-Report.htm

The Choice of Surgical Anesthesia Can Influence Metastasis

The conventional medical approach to surgical anesthesia has been the use of general anesthesia during surgery, followed by intravenous morphine after surgery for pain control. The conventional approach, however, may not be the optimal approach for preventing surgery-induced metastasis. The use of morphine directly after surgery poses significant problems. At a time when immune function is already suppressed, morphine further weakens the immune system by diminishing NK cell activity.63

Surgical anesthesia has also been shown to weaken NK cell activity.64 One study found that morphine increased angiogenesis and stimulated the growth of breast cancer in mice. The researchers concluded: “These results indicate that clinical use of morphine could potentially be harmful in patients with angiogenesis-dependent cancers.”65

Regional Anesthesia and Pain Control

Given the inherent problems associated with the use of morphine and anesthesia, researchers have explored other approaches to surgical anesthesia and pain control. One novel approach is the use of conventional general anesthesia combined with regional anesthesia, which refers to anesthesia that only affects a specific part of the body. The benefits achieved with this approach are two-fold: the use of regional anesthesia reduces the amount of general anesthesia required during surgery, as well as decreasing the amount of morphine needed after surgery for pain control.55

This elegant approach to surgical anesthesia and pain control has been validated in scientific studies. In one experiment, cancerous mice received surgery with general anesthesia alone or combined with regional anesthesia. The scientists reported that the addition of regional anesthesia to general anesthesia “markedly attenuates the promotion of metastasis by surgery.” Regional anesthesia reduced 70% of the metastasis-promoting effects of surgery caused by general anesthesia alone.66

Doctors at Pennsylvania State University College of Medicine compared NK cell activity in patients receiving general or regional anesthesia for abdominal surgery. NK cell activity dropped substantially in the general anesthesia group, while NK cell activity was preserved at pre-operative levels in the group that received regional anesthesia.67 Building upon these encouraging findings, researchers then explored if regional anesthesia can affect metastasis in women undergoing surgery for breast cancer. In a pioneering study, 50 women having breast cancer surgery with general anesthesia combined with regional anesthesia were compared to 79 women who received general anesthesia during their breast cancer surgery followed by morphine for pain control. The type of regional anesthesia used is called a paravertebral block, which involves the injection of a local anesthetic around the spinal nerves between the vertebral bones of the spine. After a follow-up period of nearly three years, dramatic differences were noted between the two groups. Only 6% of patients who received regional anesthesia experienced a recurrence, compared to a 24% risk of metastatic recurrence in the group that did not receive regional anesthesia. Stated differently, women who received regional and general anesthesia had a 75% decreased risk for metastatic cancer. These findings led researchers to proclaim that regional anesthesia for breast cancer surgery “markedly reduces the risk of recurrence or metastasis during the initial years following surgery.”55

Surgeons at Duke University Medical Center compared regional anesthesia alone to general anesthesia in women having surgery for breast cancer. The surgeons reported that while 39% of the general anesthesia group required medication for nausea and vomiting, only 20% of the regional anesthesia group needed this medication. Narcotic medication was needed for pain control after surgery in 98% of the general anesthesia group, compared to only 25% of the regional anesthesia group. And 96% of the women receiving regional anesthesia had returned home within a day after surgery, compared with 76% of the women who received general anesthesia. The surgeons concluded that regional anesthesia “can be used to perform major operations for breast cancer with minimal complications… Most importantly, by reducing nausea, vomiting, and surgical pain, paravertebral block [regional anesthesia] markedly improves the quality of operative recovery for patients who are treated for breast cancer and therefore provides the patient with the choice to return home as early as desired after surgery.”68

The results of these studies have vast implications for those undergoing cancer surgery, as a group of researchers enthusiastically announced: “As regional techniques [anesthesia]… are easy to implement, inexpensive, and do not pose a threat greater than general anesthesia, it would be easy for anesthesiologists to implement them, thus reducing the risk of disease recurrence and metastasis.”55

Finally, those requiring morphine for pain control after surgery can consider asking their doctor for a medication called tramadol instead. Unlike morphine, tramadol does not suppress immune function.69 On the contrary, tramadol has been shown to stimulate NK cell activity. In one experiment, tramadol blocked the formation of lung metastasis induced by surgery in rats. Tramadol also prevented the surgery-induced suppression of NK cell activity.70

Less Invasive Surgery Reduces Risk of Metastasis

Surgery places an enormous physical stress upon the body. There is considerable scientific evidence supporting that surgeries that are less invasive—and therefore less traumatic—pose less risk of metastasis, compared to more invasive and traumatic surgery. Laparoscopic surgery is one type of minimally invasive surgery, in which operations in the abdomen, pelvis, and other regions are performed through small incisions, as compared to the much larger incisions needed in traditional “open” surgeries.

A study published in the prestigious medical journal The Lancet compared laparoscopic to open surgery to remove part of the colon (colectomy) in patients with colon cancer. In contrast to the group receiving traditional open surgery, the laparoscopic surgery group had a 61% decreased risk of cancer recurrence coupled with a 62% decreased risk of death from colon cancer. The surgeons concluded that laparoscopic colectomy is more effective than open colectomy for treatment of colon cancer as assessed by tumor recurrence and cancer-related survival.71 A long-term follow-up of these patients (median time 95 months) reported a 56% decreased risk of death from colon cancer for laparoscopic surgery as compared to traditional open surgery.72 Another comparison of laparoscopic surgery to open surgery for colon cancer reported a five-year survival rate of 64.1% for the laparoscopic group, and a five-year survival rate of 58.5% for the group receiving open surgery.73

Minimally invasive surgery has produced substantial improvements in survival for those with lung cancer. Video-assisted thoracoscopic surgery (VATS), a minimally invasive surgery, was compared to traditional open surgery for removing lung tumors (lobectomy). The five-year survival from lung cancer was 97% in the VATS group. This greatly contrasts the 79% five-year survival in the open surgery group.74

Commenting on the use of minimally invasive surgery for lung cancer, surgeons at Cedars-Sinai Medical Center stated that minimally invasive surgery for lung cancer “… can be performed safely with proven advantages over conventional thoracotomy [chest surgery] for lobectomy: smaller incisions, decreased postoperative pain,…decreased blood loss, better preservation of pulmonary function, and earlier return to normal activities… the evidence in the literature is mounting that VATS may offer reduced rates of complications and better survival.”75

Administering Chemo and Radiation Therapies Prior to Surgery

Doctors at the University of North Carolina School of Medicine studied the use of combined radiation and chemotherapy prior to surgery for individuals with esophageal cancer. Twenty-six patients received surgery alone, while 30 patients received radiation and chemotherapy followed by surgery. The group receiving combined treatment had a five-year survival of 39%, while the group treated with surgery alone experienced a five-year survival of only 16%.99

A study published in the New England Journal of Medicine in 2006 compared treatment with surgery alone to treatment with chemotherapy—given both directly before and after surgery—in patients with stomach or esophageal cancer. The five-year survival for the group receiving surgery and chemotherapy was 36%, compared to a five-year survival of 23% in the group receiving surgery alone.100

Taighde Tacaíonn an úsáid a bhaint as ceimiteiripe agus teiripe radaíochta i rith na tréimhse criticiúla perioperative. Sa staidéar amháin, fuair 544 othar a bhfuil ailse boilg ceimiteiripe le chéile agus teiripe radaíochta go gairid tar éis máinliachta. Rinneadh comparáidí Marthanais le grúpa den chineál céanna de 446 othar a bhfuil ailse boilg cóireáilte le máinliacht ina n-aonar. Ceimiteiripe Postoperative agus radaíocht thug le feabhsú drámata i marthanais. An grúpa cóireáilte le máinliacht amháin a bhí marthanais airmheán ach 62.6 mhí, i gcomparáid le maireachtáil airmheán 95.3 mí sa ghrúpa a fhaigheann radaíochta postoperative agus chemotherapy.101 staidéar den chineál céanna léirithe freisin marthanais feabhsaithe le húsáid na radaíochta postoperative agus ceimiteiripe i gcomparáid le máinliacht alone.102

Athlasadh agus metastasis

Is cúis le máinliacht Ailse le táirgeadh níos ceimiceáin inflammatory, mar shampla interleukin-1 agus interleukin-6.76-78 na ceimiceáin ar eol go bhfuil méadú ar an ngníomhaíocht de cyclooxygenase-2 (COX-2). Ní fhéadfar einsím an-potent inflammatory, imríonn COX-2 ról lárnach i gcur chun cinn fás ailse agus metastasis.

Bhí sé seo le feiceáil in earra atá sa Taighde Ailse iris go raibh leibhéil COX-2 i cealla ailse paincréasach a bheith 60 oiread níos mó ná i pancreatic gnáth cells.79 Leibhéil COX-2 Bhí 150 huaire níos airde i cealla ailse ó dhaoine aonair a bhfuil head and neck cancers compared to normal tissue from healthy volunteers.80 COX-2 fuels cancer growth by stimulating the formation of new blood vessels feeding the tumor.81,82 COX-2 increases cancer cell adhesion to the blood vessel walls,83 and also enhances the ability of cancer cells to metastasize. Experiments in mice revealed that colon cancer cells expressing high levels of COX-2 metastasized freely to the liver, while colon cancer cells expressing low levels of COX-2 did not metastasize to the liver.83

The adverse influence of COX-2 on the growth and progression of cancer was clearly revealed in a study published in the journal Clinical Cancer Research in 2004. Two hundred eighty-eight individuals undergoing surgery for colon cancer had their tumors examined for the presence of COX-2. The findings were alarming—when other factors were controlled for, the group whose cancers tested positive for the presence of COX-2 had a 311% greater risk of death compared to the group whose cancers did not express COX-2.84 A subsequent study in lung cancer patients found that those with high tumor levels of COX-2 had a median survival of only 15 months, whereas those with low tumor levels of COX-2 had a median survival of 40 months.85

I bhfianaise na dtorthaí sin, thosaigh taighdeoirí imscrúdú ar na héifeachtaí frith-ailse na ndrugaí inhibitor COX-2. Cé a úsáidtear ar dtús do choinníollacha inflammatory, mar airtríteas, COX-2 drugaí inhibitor bhfuil sé léirithe go bhfuil cumhachtach frith-ailse gníomhaíochta. Mar shampla, cuireadh cóireáil ar 134 othar a bhfuil ailse scamhóg chun cinn le ceimiteiripe ina n-aonar nó in éineacht le Celebrex ® (a inhibitor COX-2). Do na daoine le hailse in iúl méideanna níos airde de COX-2, cóireáil le Celebrex ® mór tagtha ar moill fada survival.86 cóireáil le Celebrex ® freisin dul chun cinn ailse i fir le próstatach athfhillteach cancer.87

Cuireadh B'fhéidir gurb é an taispeántas is suntasaí d'éifeachtaí frith-metastatic na ndrugaí inhibitor COX-2 ag comhdháil bhliantúil an Chumainn Mheiriceá Oinceolaíocht Chliniciúil i 2008. Sa staidéar seo, a bhí i gcomparáid leis an mhinicíocht metastases cnámh in othair ailse chíche a raibh a COX-2 inhibitor feadh ar a laghad sé mhí tar éis diagnóisíodh ailse chíche ar an mhinicíocht metastases cnámh in othair ailse chíche nach raibh glactha COX -2 inhibitor. Thar cuimse, bhí sin bhí a ndéileálfar leis inhibitor a COX-2 beagnach 80% níos lú seans ann a fhorbairt metastases cnámh ná iad siúd nach raibh cóireáilte le inhibitor COX-2 drug.88

Non-steroidal anti-inflammatory drugs (NSAIDs), such as aspirin and ibuprofen, are COX inhibitors. The widespread use of NSAIDs for pain and arthritis has created an ideal environment in which to examine if these drugs can prevent cancer. Large-scale studies have documented a substantial reduction in cancer risk with the use of NSAIDs. A comprehensive review of the scientific literature (91 published studies) reported that the long-term use of NSAIDs (primarily aspirin) produced risk reductions of 63% for colon cancer, 39% for breast cancer, 36% for lung cancer, 39% for prostate cancer, 73% for esophageal cancer, 62% for stomach cancer, and 47% for ovarian cancer. “This review provides compelling… evidence that regular intake of NSAIDs that… block COX-2 protects against the development of many types of cancer,” the authors concluded.89

A number of nutritional and herbal supplements are known to inhibit COX-2. These include curcumin, resveratrol, vitamin E, soy isoflavones (genistein), green tea (EGCG), quercetin, fish oil, garlic, feverfew, and silymarin (milk thistle).58,90-97

Scientists at Memorial Sloan-Kettering Cancer Center in New York created an experimentally-induced increase in COX-2 activity in human breast cells, which was completely prevented by resveratrol. Resveratol blocked the production of COX-2 within the cell, as well as blocking COX-2 enzyme activity.98

Conclúid

A group of noted experts in the field of surgery-induced metastasis stated that cancer treatment “…necessitates the surgical excision of the primary tumor in order to relieve the patient of the major tumor burden, which is the main source of mutating and metastasizing cells. However, along with its obvious benefits, the surgical procedure has been suggested to involve serious hazards as it releases tumor cells into the circulation or lymphatics, promotes the secretion of angiogenic and growth factors, and induces suppression of CMI [immune function]. These consequences synergistically facilitate the establishment of new metastases and the development of preexisting micrometastases. As cancer-related death is most commonly the result of metastatic disease, it is crucial to minimize this facilitation.”55

Remarking further, they commented that “Taken together, it is evident that the perioperative period harbors many risks; however, it is also the ideal time for battling MRD [small numbers of cancer cells remaining after surgery] to reduce recurrence and future metastases.” Thus, these scientists believe “…it is essential to employ preventative interventions during this critical time.” Additionally, they urge that, “Ideally, each problematic aspect of surgery should be treated when oncological patients undergo resection [surgery] in order to minimize recurrence and metastatic spread.”55

Armed with the knowledge discussed in this article, the person with cancer can reap all the benefits that cancer surgery offers, while simultaneously avoiding the metastatic perils imposed by this procedure.

As this article was going to press, a dedicated team of clinical oncologists and researchers are preparing a meticulous report on the optimal doses of nutrients and drugs that a cancer patient should consider during the pre- and post-operative period. You can obtain a free copy of this report by logging on to our Cancer Surgery Special Report — http://www.lef.org/featured-articles/Cancer-Surgery-Special-Report.htm — or calling 1-800-841-5433.

If you have any question on the scientific content of this article, please call a Life Extension® Health Advisor at 1-866-864-3027.

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5 Freagraí ar "Cosc ar Ailse metastasis Máinliacht-spreagtha"

  1. avatar

    Jacqui Salazar

    31 Deireadh Fómhair, 2010

    Bhí suim agam sa phost ó Peter McLellan, ach díomá gur luaigh sé go mbeadh sé ní lú tairbhe airgeadais le haghaidh an dochtúir agus an t-ospidéal má bhí in úsáid ainéistéise réigiúnach le hais ainéistéiseach ginearálta (i bhfad níos coitianta agus níos mó glacadh). Cén fáth nach bhfuil eolas iarbhír othair faoi na difríochtaí agus cead a thabhairt dóibh chun an cinneadh a dhéanamh gan an brú breise a bheith ag smaoineamh ar cé mhéad "dosh" in goiing leo a dhéanamh as aon oibríocht. Is léir cé is Dr le smaoineamh agus cén fáth muidinne go mbeadh toradh i bhfad níos fearr tar éis obráid i gcoitinne.

    Jacqui

  2. avatar

    Denis

    16 Nollaig, 2009

    Bhí sé seo go léir an-spéisiúil ach anois tá mé fágtha ag iarraidh a bhunú conas a d'fhéadfaí a úsáid naltrexone dáileog íseal fhachtóir i roinnt de na bearta seo leigheasacha; dealraíonn sé cinnte go bhfuil roinnt suntasach frith-airíonna ailse! Bheadh ​​aon trácht a dhéanamh ar seo a bhuíoch go háirithe mar go bhfuil mo bhean chéile bunaithe anois ar a dáileog maintenace de ldn mar fhorlíonadh coisctheacha toisc go bhfuil sí go géiniteach predisposed chun baol méadaithe ailse.

  3. avatar

    Peter MacLellan

    15 Nollaig, 2009

    Tá an tAirteagal seo an-suimiúil agus spreagúil. An obair ar an tionchar a ainéistéise ar an chóras imdhíonachta atá déanta, i mo eolas go díreach, ó 1980 ar, agus gá ag brath ar na sonraí nua ar conas na feidhmeanna a gcóras imdhíonachta. Mar anesthesiologist, tá mo ról ar cheann de chumas, ach tá sé anois léir gur féidir é a bheith chomh maith theiripeach. Tá fianaise ann a mhéadú go mbeidh an rogha difear ainéistéiseach toradh fadtéarmach chun an t-othar ag fáil an ainéistéiseach, mar gheall ar an éifeacht a gníomhairí ainéistéiseach ar an chóras imdhíonachta.

    It may be reassuring for patients to know that this information is not only in the anesthesia literature, some of which is documented in the article, but also in Continuing Medical Education material from the American Society of Anesthesiologists. However given the long-time perception of anesthesia in the eyes of both the public and the profession as merely a means to enable surgery to take place with no or minimal pain and suffering, and also given the “production pressures” in operating rooms, there may be considerable resistance to increasing the use of regional anesthesia. Regional anesthesia tends to take longer than general anesthesia and will therefore decrease the number of cases that can be done, therefore reducing income for both the anesthesia practitioner and the institution. This is a significant barrier to overcome.

    There are also 2 significant references missing from the article which describe the possible beneficial effects on outcome of epidural anesthesia for prostate cancer surgery, and of paravertebral block for major breast cancer surgery:

    Biki B, Mascha E, Moriarity DC, et al. Anesthetic technique for radical prostatectomy surgery affects cancer recurrence: A retrospective analysis. Anesthesiology. 2008; 109:180-187.

    Exadaktylos AK, Buggy DJ, Moriarty DC, Mascha E, Sessler DI: Can anesthetic technique for primary breast cancer surgery affect recurrence or metastasis? Anesthesiology 2006; 4:660-4

    Both of these papers are retrospective, and therefore should be viewed as not definitive, but the information is very dramatic.

    Epidural anesthesia is fairly widely accepted as a modality for post-operative pain relief after radical prostatectomy, so request for it is more likely to be entertained. Paravertebral block for mastectomy is less likely to be available since most anesthesiologists do not know this technique (myself included.)

    Other factors to consider are the use of propofol infusion instead of a volatile agent (gas), since volatile agents seem to have anti-analgesic properties and lead to more post-operative narcotic use, and narcotics have immune suppression effects, inhibiting both cellular and humoral immune function in humans. There is also a small study from Mount Sinai Hospital in Toronto which showed that eating a ground flax containing muffin for several weeks before breast surgery reduced tumor size (no risk – possible benefit). And of course Vitamin D3 deficiency is widespread, is easily avoided and/or corrected (10,000 units per day clearly safe over a 6 months period, therefore could easily and safely be done pre-operatively) and its correction in the wider community will prevent breast cancer occurence in some patients, which in the final analysis is the best way to avoid recurrence – prevent the disease completely.

  4. avatar

    Deborah

    Dec 13th, 2009

    Thank you for this article. I had surgery for breast cancer 1 1/2 years ago. I wish my doctor had given me this kind of information. I did know some of the things you mentioned from the reading that I do and i took Modified Citrus Pectin before and after my surgery.

    I also take curcumin, vitamin E, green tea (EGCG), quercetin, fish oil, garlic, Maitake D, and Avemar.

    How long do you recommend taking Modified Citrus Pectin after surgery?

    Thank you,
    Deborah

  5. avatar

    Catherine L. Pearson

    Dec 12th, 2009

    Thank you so much for this new info. Both my mother and sister have had breast cancer. My sister twice. They both were in their mid 40′s. I am 64, so far cancer free. I have used natural progesterone cream since menopause, try to eat healthy foods, plus use the important supplements.

    I will bookmark this study, and also share info with my family and friends.

    -Cathie

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