Utrophin Compensates dystrophin Loss during Mouse Spermatogenesis

Hung Chih Chen, Yu Feng Chin, David J. Lundy, Chung Tiang Liang, Ya Hui Chi, Paolin Kuo, Patrick C.H. Hsieh

研究成果: 雜誌貢獻文章

摘要

Duchenne muscular dystrophy (DMD) is an X-linked genetic disorder resulting from mutations in the dystrophin gene. The mdx/utrn -/- mouse, lacking in both dystrophin and its autosomal homologue utrophin, is commonly used to model the clinical symptoms of DMD. Interestingly, these mice are infertile but the mechanisms underlying this phenomenon remain unclear. Using dystrophin deficient mdx mouse and utrophin haplodeficient mdx/utrn +/- mouse models, we demonstrate the contribution of Dp427 (full-length dystrophin) and utrophin to testis and epididymis development, as well as spermatogenesis. We show that Dp427 deficiency disturbed the balance between proliferation and apoptosis of germ cells during spermatogenesis, which was further disrupted with utrophin haplodeficiency, deciphering a compensatory role of utrophin for dystrophin in the male reproductive system. In the spermatozoa, we have found a compensatory response of utrophin to dystrophin deficiency - namely the upregulation and relocation of utrophin to the flagellar midpiece. This study demonstrates the contribution of Dp427 and utrophin in male fertility, suggesting a potential pathology in DMD patients.
原文英語
文章編號7372
期刊Scientific Reports
7
發行號1
DOIs
出版狀態已發佈 - 十二月 1 2017
對外發佈Yes

指紋

Utrophin
Dystrophin
Spermatogenesis
Inbred mdx Mouse
Duchenne Muscular Dystrophy
Inborn Genetic Diseases
Epididymis
Germ Cells
Fertility
Spermatozoa
Testis
Up-Regulation
Apoptosis
Pathology
Mutation

ASJC Scopus subject areas

  • General

引用此文

Chen, H. C., Chin, Y. F., Lundy, D. J., Liang, C. T., Chi, Y. H., Kuo, P., & Hsieh, P. C. H. (2017). Utrophin Compensates dystrophin Loss during Mouse Spermatogenesis. Scientific Reports, 7(1), [7372]. https://doi.org/10.1038/s41598-017-05993-8

Utrophin Compensates dystrophin Loss during Mouse Spermatogenesis. / Chen, Hung Chih; Chin, Yu Feng; Lundy, David J.; Liang, Chung Tiang; Chi, Ya Hui; Kuo, Paolin; Hsieh, Patrick C.H.

於: Scientific Reports, 卷 7, 編號 1, 7372, 01.12.2017.

研究成果: 雜誌貢獻文章

Chen, HC, Chin, YF, Lundy, DJ, Liang, CT, Chi, YH, Kuo, P & Hsieh, PCH 2017, 'Utrophin Compensates dystrophin Loss during Mouse Spermatogenesis', Scientific Reports, 卷 7, 編號 1, 7372. https://doi.org/10.1038/s41598-017-05993-8
Chen, Hung Chih ; Chin, Yu Feng ; Lundy, David J. ; Liang, Chung Tiang ; Chi, Ya Hui ; Kuo, Paolin ; Hsieh, Patrick C.H. / Utrophin Compensates dystrophin Loss during Mouse Spermatogenesis. 於: Scientific Reports. 2017 ; 卷 7, 編號 1.
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