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您的检索式：作者名="Xiangrun Li"
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| 1 | Nicotinamide mononucleotide improves spermatogenic function in streptozotocin-induced diabetic mice via modulating the glycolysis pathway显示文摘Spermatogenic dysfunction is one of the major secondary complications of diabetes;however,the underlying mechanisms remain ill-defined,and there is no available drug or strategy for the radical treatment of diabetic spermatogenic dysfunction.Therefore,the objective of this study is to investigate the protective effects of nicotinamide mononucleotide(NMN)on testicular spermatogenic function in streptozotocin(STZ)-induced diabetic mice.The results show that oral administration of NMN significantly increases the body and testis weight and the number of sperms.Moreover,the abnormal sperm count and the rate of sperm malformation are significantly decreased compared with the saline-treated diabetic mice.Histological analysis reveals that NMN treatment significantly increases the area and diameter of seminiferous tubules,accompanied by an increased number of spermatogenic cells and sperms.Immunohistochemistry and qRT-PCR results show that NMN increases Bcl-2 expression and decreases Bax expression in the testis.NMN also increases the protein expression of Vimentin and the mRNA expressions of WT1 and GATA4.In addition,qRT-PCR,western blot analysis and immunohistochemistry results also show that NMN increases the expressions of glycolysis-related rate-limiting enzymes including HK2,PKM2,and LDHA.In summary,this study demonstrates the protective effects of NMN on the testis in an STZ-induced diabetic mice model.NMN exerts its protective effects via reducing spermatogenic cell apoptosis by regulating glycolysis of Sertoli cells in diabetic mice.This study provides an experimental basis for the future clinical application of NMN in diabetes-induced spermatogenicdysfunction. | Duo Ma Linlin Hu Jinyuan Wang Min Luo Aihong Liang Xiaocan Lei Biyun Liao Meixiang Li Ming Xie Haicheng Li Yiwei Gong Dan Zi Xiangrun Li Xi Chen Xucai Liao | 2022 | Acta Biochimica et Biophysica Sinica2022，54，9： | 1 |
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