The role of the hedgehog/patched signaling pathway in epithelial stem cell proliferation:from fly to human

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    摘要 Thehedgehog-patched(hh-ptc)intercellularsignalingpathwayhasrecentlybeenshowntocontroltheproliferationofepithelialstemcellsinbothDrosophilaandVertebrated.MutantandectopicexpressionanalysesinDrosophilasuggestthattheHHproteindiffusesfromthesignalingcellstopromotetheproliferationofnearbyovariansomaticstemcellsbyantagonizingthesuppressionofitsreceptorPTCtowardstheCItranscriptionfactorinthestemcells.Consequently,thetranscriptionofCIdependentgenesleadstostemcellproliferation.Thisregulatorypathwayappearstofunctionalsoinvertebrates,wheredefectsinptccausebasalcellcarcinoma,tumorsofepidermalstemcellorigin.BasalcellcarcinomacanalsobeinducedbyectopicexpressionofSonichedgehog(shh)orGlil,thevertebratehomologofci.Thesestudiessuggesttheconservationofthehhsignalingpathwayincontrollingepithelialstemcelldivisionsamongdifferentorganisma.
    机构地区 不详
    出处 《细胞研究:英文版》 1998年1期
    出版日期 1998年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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