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1篇 您的检索式:作者名="Daniel Nettersheim"
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1Molecular and epigenetic pathogenesis of germ cell tumors显示文摘The development of germ cell tumors(GCTs)is a unique pathogenesis occurring at an early developmental stage during specification,migration or colonization of primordial germ cells(PGCs)in the genital ridge.Since driver mutations could not be identified so far,the involvement of the epigenetic machinery during the pathogenesis seems to play a crucial role.Currently,it is investigated whether epigenetic modifications occurring between the omnipotent two-cell stage and the pluripotent implanting PGCs might result in disturbances eventually leading to GCTs.Although progress in understanding epigenetic mechanisms during PGC development is ongoing,little is known about the complete picture of its involvement during GCT development and eventual classification into clinical subtypes.This review will shed light into the current knowledge of the complex epigenetic and molecular contribution during pathogenesis of GCTs by emphasizing on early developmental stages until arrival of late PGCs in the gonads.We questioned how misguided migrating and/or colonizing PGCs develop to either type Ⅰ or type Ⅱ GCTs.Additionally,we asked how pluripotency can be regulated during PGC development and which epigenetic changes contribute to GCT pathogenesis.We propose that SOX2 and SOX17 determine either embryonic stem cell-like(embryonal carcinoma)or PGC-like cell fate(seminoma).Finally,we suggest that factors secreted by the microenvironment,i.e.BMPs and BMP inhibiting molecules,dictate the fate decision of germ cell neoplasia in situ(into seminoma and embryonal carcinoma)and seminomas(into embryonal carcinoma or extraembryonic lineage),indicating an important role of the microenvironment on GCT plasticity.Melanie R.Müller Margaretha A.Skowron Peter Albers Daniel Nettersheim 2021Asian Journal of Urology2021,8,2:0
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