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Zhang J, Jin PP, Gong M, Guo JH, Fang K, Yi QT, Zhu RJ. Roles of Fas/FasL-mediated apoptosis and inhibin B in the testicular dysfunction of rats with left-side varicocele. Andrologia 2017; 50. [PMID: 28722192 DOI: 10.1111/and.12850] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2017] [Indexed: 11/26/2022] Open
Affiliation(s)
- J. Zhang
- Department of Urology; Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - P. P. Jin
- Center for Medical Research and Innovation; Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - M. Gong
- Department of Urology; Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - J. H. Guo
- Department of Urology; Shanghai Ninth People's Hospital; Shanghai JiaoTong University School of Medicine; Shanghai China
| | - K. Fang
- Department of Urology; Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - Q. T. Yi
- Department of Urology; Shanghai Pudong Hospital; Fudan University; Shanghai China
| | - R. J. Zhu
- Department of Urology; Shanghai Pudong Hospital; Fudan University; Shanghai China
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Zhang J, Jin PP, Fang K, Yi QT, Tang MF, Chen CH, Guo JH, Gong M. [Relationship between decreased expression of inhibin B and spermatogenesis dysfunction in rats testis]. Zhonghua Yi Xue Za Zhi 2016; 96:2880-2884. [PMID: 27760631 DOI: 10.3760/cma.j.issn.0376-2491.2016.36.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the effects of varicocele on the expressions of inhibin B in rat testes and the relationship between expression of inhibin B and spermatogenesis dysfunction. Methods: Twenty specific-pathogen-free Sprague-Dawley (SD) male rats were randomly divided into two groups with random number table: 4-week control group (C4) and 4-week experimental group(V4). Experimental varicocele was created by partial ligation of left renal vein in the V4 group; vein isolation without ligation was performed in the C4 group.Spermatogenetic function in the two groups were assessed. The expression of inhibin B in the rat testis was analyzed by immunohistochemistry, the expressions of inhibin B, Fas and Fas ligand(FasL)mRNA measured by reverse transcription-polymerase chain reaction(RT-PCR), and the inhibin B protein expression by Western blot. Results: In comparison of spermatogenetic function in left rat testes, the Johnsen scores in the V4 group were significantly lower than those in the C4 group (9.79±0.05 vs 9.97±0.02, P=0.023), the seminiferous epithelium in the V4 group was significantly thinner than that in the C4 group [(48.35±0.99)μm vs (57.58±1.98)μm, P=0.000], and the number of sperms in the left epididymis was significantly lower than in the right one in the V4 group [(933±161)×106/(ml·g) vs(1 552±184)×106/(ml·g), P=0.017]. Both Western blot and immunohistochemical assay showed that the expression of inhibin B in the rat testes was significantly lower in the V4 group than in the C4 group(0.407±0.053 vs 0.608±0.076, P=0.038; 0.161±0.004 vs 0.183±0.005, P=0.008). RT-PCR also detected reduced expression of inhibin B mRNA in the V4 group compared with the C4 group(0.522±0.050 vs 1.106±0.210, P=0.003. Compared to the C4 group, the expression of Fas mRNA in the V4 group was significantly lower, while the expression of FasL mRNA in the V4 group was significantly higher(P=0.019, 0.015). Conclusions: Varicocele can lead to decreased expressions of inhibin B in rat testes and cause spermatogenesis dysfunction. There may be a close correlation between down-regulation ofinhibin B expression and spermatogenesis dysfunction.Inhibin B may play a significant rolein the mechanisms underlying male infertility due to varicocele.
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Affiliation(s)
- J Zhang
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - P P Jin
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - K Fang
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - Q T Yi
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - M F Tang
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - C H Chen
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - J H Guo
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
| | - M Gong
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai 201399, China
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Abstract
We investigated the role of two functional polymorphisms, IL-6-174G>C (rs1800795) and IL-6-572C>G (rs1800796), in the development of prostate cancer. A total of 212 consecutive primary prostate cancer patients and 236 control subjects were recruited between May 2012 and May 2014. The IL-6-174G>C (rs1800795) and IL-6-572C>G (rs1800796) polymorphisms were assessed by polymerase chain reaction-restriction fragment length polymorphism. The genotype distributions of IL-6-174G>C (rs1800795) and IL-6-572C>G (rs1800796) met the Hardy-Weinberg equilibrium in the controls. Unconditional logistic regression analyses showed that the GG genotype of IL-6-572C>G (rs1800796) was associated with an elevated risk of prostate cancer compared with the CC genotype, and the OR (95%CI) for the GG genotype was 2.06 (1.11-3.87). In conclusion, we suggest that the IL-6-572C>G (rs1800796) gene polymorphism influences the development of prostate cancer.
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Affiliation(s)
- C H Chen
- Department of Urology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Huinan Town, Pudong, Shanghai, China
| | - M Gong
- Department of Urology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Huinan Town, Pudong, Shanghai, China
| | - Q T Yi
- Department of Urology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Huinan Town, Pudong, Shanghai, China
| | - J H Guo
- Department of Urology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Huinan Town, Pudong, Shanghai, China
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