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日期: 2003-01-11 今日/总浏览: 1/1076
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( S$ v$ v$ I% _, HTheNewJerseystateSenatehasapprovedlegislationthatwouldallowfurtherembryonicstemcellresearchinNewJersey.
( P% g! }7 c# O9 g" v5 jThebillwouldpermittheuseofembryonicstemcellsobtainedfromfertilitytreatmentswiththeconsentofthedonors.
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/ R. O+ Y4 {+ Y; v$ p# q; u4 Z# OStemcellresearchadvocatesclaimexistinglimitsmakeithardertofindacureformaladiessuchasdiabetesandParkinsondiseaseandtohelpvictimsofspinalcordinjuries.3 T, s( ~5 t0 `3 Z5 a& }
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NewJerseyhastakenahistoricstepinadvancinglegislationwhichhasthepotentialtoendsufferingformillionsworldwide,saidSenateDemocraticPresidentRichardCodey(D-Essex).
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Thelegislationwouldalsoprohibitthesaleofembryosforresearchpurposesandbanreproductivecloning.% i" p1 E3 ?+ g
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ActorandformerPrincetonresidentChristopherReeveurgedstatelawmakersinNovembertosupportthebill,sayinghebelieveditcouldhelphimwalkagain.TheSupermanstarwasparalyzedina1995equestrianaccident." }* D" z H; s$ W! V; g/ U
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Opponentssaidthelegislationismorallyobjectionablebecauseitinvolvesdestructionoftheembryos.2 ?. f4 k- V$ ~0 {, ]6 C
6 t: I' w5 p! g% e A/ Z5 i9 V& FUnderthisbill,humanliveswillbetreatedasacommodity,creatingclassesoflesserhumanstobesacrificedforthegoodofhumanity,saidMarieTasyofNewJerseyRighttoLife.
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$ v5 F+ o w7 p5 ]3 H: l, pDespiteseveralsenatorsraisingobjectionsduringthefloordebate,thebillwasapprovedwithoutanynovotes.( o% A/ c Y0 I4 l' o4 P7 Y
$ [- ?4 T( w) x2 v/ ~PresidentBush,citingethicalconsiderations,in2001limitedfederalfundingforembryonicstemcellresearch.# Q- X' j' z$ Y4 i6 n* T
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Citingthepromiseofbreakthroughsinfightingdisease,Bushsaidhewouldapprovefederalfundingbutonlyforexistinglinesofembryonicstemcells.Thatwouldrestrictresearchtocellsfromembryosthatalreadyhavebeendestroyed.
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2 R( G4 t& l9 m4 Y; P& pStemcellsformveryearlyinanembryo'sgrowthandeventuallydevelopintodifferenttypesofcellstoformvariousorgansandotherpartsofthebody.
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Theyareusedforresearchbyremovinganinnercellmassfroma5-to7-day-oldembryo.Theprocedurekillstheembryo.Whenproperlynurtured,thecellsareabletoreplicate,ordivide,virtuallyforever,creatingwhatiscalledastemcellline.
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! A. k/ V( D; k1 FScientistssaygettingaccesstolimitedcelllinesnowavailableisdifficultandcostly,andlimitationscausetopresearcherstogoabroad." q+ |. n- K k0 K+ R: i6 g2 D
% M0 f; T+ }& a" T$ R3 V% i) eThelegislationnowheadstothestateAssembly.ThisarticlewaspreparedbyStemCellWeekeditorsfromstaffandotherreports.' a Z8 a4 n2 \+ y6 |5 Y2 ]; Q
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来源: NewsRx.com! t: Q! [$ L0 {% f
发布者: 刘斌 |
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