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Deficiency of the transcription factor PLAG1 results in aberrant coiling and morphology of the epididymis

Asian Journal of Andrology 2020年第4期22卷 342-347页

作者： Joanne Wong Almas R Juma Stephanie C Tran Jemma G Gasperoni Sylvia V H Grommen Bert De Groef Department of Physiology Anatomy and MicrobiologyLa Trobe UniversityBundooraVictoria 3086Australia

Mice deficient in the transcription factor pleomorphic adenoma gene 1(PLAG1)exhibit reproductive issues that are characterized,in part,by decreased progressive sperm motility in the ***,the underlying cause of this impairment is *** epididymal transit is critical for sperm maturation and motility,the morphology of the epididymis of Plag1-deficient mice was investigated and the spatial expression patterns of PLAG1 protein and mRNA were *** X-gal staining and in situ hybridization,PLAG1 was shown to be widely expressed in both the epithelium and stroma in all regions of the mouse ***,the X-gal staining pattern was markedly different in the cauda,where it could be suggestive of PLAG1 secretion into the epididymal *** all ages investigated,the morphology of epididymides from Plag1 knockout(KO)mice was aberrant;the tubule failed to elongate and coil,particularly in the corpus and cauda,and the cauda was malformed,lacking its usual bulbous ***,the epididymides from Plag1 KO mice were significantly reduced in size relative to body *** 20%of Plag1-deficient mice,the left testicle and epididymis were *** impaired morphogenesis of the epididymal tubule is likely to be a major contributing factor to the fertility problems observed in male Plag1-deficient *** results also establish PLAG1 as an important regulator of male reproduction,not only through its involvement in testicular sperm production,but also via its role in the development and function of the epididymis.

关键词： development epididymis pleomorphic adenoma gene 1 tubule coiling Wolffian duct

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