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Yang X, Huang J, Wang J, Sun H, Li J, Wang Z, Song Q. The protective effect of glucose selenol on cadmium-induced testicular toxicity in male rat. Reprod Toxicol 2024; 129:108679. [PMID: 39121979 DOI: 10.1016/j.reprotox.2024.108679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 07/13/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024]
Abstract
This study aimed to investigate the protective effects of glucose selenol on cadmium (Cd)-induced testicular toxicity. Twenty-four male Sprague-Dawley (SD) rats were randomly divided into four groups. Cd was administered orally at a dose of 40 mg/L or in combination with orally administered glucose selenol at doses of 0.15 mg/L and 0.4 mg/L for 30 days. The results showed that sperm quality decreased and testicular tissue was damaged in the Cd group; Glucose selenol significantly attenuated the negative effects by improving sperm quality and reducing testicular damage. Transcriptome sequencing analysis showed that Cd stress affected spermatogenesis, sperm motility, oxidative stress, blood-testis barrier and protein metabolism. Four clusters were obtained using the R Mfuzz package, which clustered highly expressed genes under different administrations, and 36 items were enriched. Notably, protein phosphorylation was enriched in the Cd group and is considered to play a key role in the response to Cd stress. We identified fifty-six target selenium (Se) and Cd co-conversion differentially expressed genes (DEGs), including three genes relating to spermatogenesis (Dnah8, Spata31d1b, Spata31d1c). In addition, the obtained DEGs were used to construct a protein-protein interaction network, co-processed with Se and Cd, and 5 modules were constructed. Overall, the analyses of rat testicular physiology and gene expression levels offer new insights into the reproductive toxicity of Cd in rats, and provide potential application prospects for glucose selenol in alleviating the impact of Cd-induced testicular damage.
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Affiliation(s)
- Xinyi Yang
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China
| | - Jinzhou Huang
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China
| | - Juan Wang
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China
| | - Huimin Sun
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China
| | - JinJin Li
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China
| | - Zhi Wang
- College of Life Science, Hunan Normal University, Changsha, Hunan 410006, China.
| | - Qisheng Song
- Division of Plant Sciences and Technology, University of Missouri, Columbia, MO 65211, USA
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Srivastava N, Hu H, Peterson OJ, Vomund AN, Stremska M, Zaman M, Giri S, Li T, Lichti CF, Zakharov PN, Zhang B, Abumrad NA, Chen YG, Ravichandran KS, Unanue ER, Wan X. CXCL16-dependent scavenging of oxidized lipids by islet macrophages promotes differentiation of pathogenic CD8 + T cells in diabetic autoimmunity. Immunity 2024; 57:1629-1647.e8. [PMID: 38754432 PMCID: PMC11236520 DOI: 10.1016/j.immuni.2024.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 01/18/2024] [Accepted: 04/17/2024] [Indexed: 05/18/2024]
Abstract
The pancreatic islet microenvironment is highly oxidative, rendering β cells vulnerable to autoinflammatory insults. Here, we examined the role of islet resident macrophages in the autoimmune attack that initiates type 1 diabetes. Islet macrophages highly expressed CXCL16, a chemokine and scavenger receptor for oxidized low-density lipoproteins (OxLDLs), regardless of autoimmune predisposition. Deletion of Cxcl16 in nonobese diabetic (NOD) mice suppressed the development of autoimmune diabetes. Mechanistically, Cxcl16 deficiency impaired clearance of OxLDL by islet macrophages, leading to OxLDL accumulation in pancreatic islets and a substantial reduction in intra-islet transitory (Texint) CD8+ T cells displaying proliferative and effector signatures. Texint cells were vulnerable to oxidative stress and diminished by ferroptosis; PD-1 blockade rescued this population and reversed diabetes resistance in NOD.Cxcl16-/- mice. Thus, OxLDL scavenging in pancreatic islets inadvertently promotes differentiation of pathogenic CD8+ T cells, presenting a paradigm wherein tissue homeostasis processes can facilitate autoimmune pathogenesis in predisposed individuals.
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Affiliation(s)
- Neetu Srivastava
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Hao Hu
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Orion J Peterson
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Anthony N Vomund
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Marta Stremska
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Mohammad Zaman
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Shilpi Giri
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Tiandao Li
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Cheryl F Lichti
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Pavel N Zakharov
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Bo Zhang
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Nada A Abumrad
- Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA; Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yi-Guang Chen
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Kodi S Ravichandran
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; VIB/UGent Inflammation Research Centre and Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Emil R Unanue
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
| | - Xiaoxiao Wan
- Department of Pathology and Immunology, Division of Immunobiology, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA.
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Feng Y, Zhao S, Ju R, Li J, Pan C, Tang Q, Zou Z, Jing J, Xu Y, Ding H, Ma J, Li Z, Tang T, Shao Y, Chen L, Huang X, Wang X, Yao B. The therapeutic effect and metabolic mechanism analysis of Guilingji on idiopathic oligo-asthenoteratozoospermia. J Tradit Complement Med 2024; 14:403-413. [PMID: 39035689 PMCID: PMC11259704 DOI: 10.1016/j.jtcme.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/29/2023] [Accepted: 01/05/2024] [Indexed: 07/23/2024] Open
Abstract
Introduction Guilingji, a famous traditional Chinese medicine (TCM) formula, has been used to combat aging and male sexual dysfunction in China for centuries. To date, there has been little evidence-based clinical research on the use of Guilingji to treat idiopathic oligo-asthenoteratozoospermia (OAT), and the therapeutic mechanism from a metabolic perspective needs to be investigated further. Methods This was a multicenter, double-blind, randomized controlled clinical study of 240 patients with idiopathic OAT recruited from four hospitals between January 2020 and January 2022. Patients were randomly assigned in a 1꞉1 ratio to receive oral Guilingji capsules or placebo for 12 weeks. The total progressive motile sperm count (TPMSC) was considered the primary outcome, and the other sperm parameters, seminal plasma parameters and serum hormones were considered the secondary outcome. A nontargeted metabolomics analysis of serum from OAT patients before and after Guilingji administration was performed by HPLC-MS to identify key metabolites. Furthermore, we used a rat model to show spermatogenesis phenotypes to validate the effect of the key metabolites screened from the patients. Results At weeks 4, 8 and 12, TPMSC and other sperm parameters were significantly improved in the Guilingji group compared with the placebo group (P < 0.05 for all comparisons). At week 4, superoxide dismutase (SOD) and acrosomal enzyme activity of seminal plasma were significantly elevated in the Guilingji group compared with the placebo group, while reactive oxygen species (ROS) levels were significantly reduced (P < 0.05). Lactate dehydrogenase-X (LDHX) levels appeared to be significantly increased after 12 weeks continuous medication compared with Placebo group (P = 0.032). The metabolomics analysis of serum from OAT patients before and after Guilingji administration showed that the glucose-6-phosphate (G6P) concentration in patients' serum was significantly elevated after Guilingji treatment. Compared to the control, when Kidney-Yang deficiency model rats were treated with Guilingji or its key intermediate metabolite G6P, their sperm concentration and spermatozoic activity were improved similarly, and their structural damage of rat's testicular and epididymal tissues were recovered. Conclusion This study provided valuable clinical evidence for the utility of Guilingji as a treatment for OAT. These findings thus demonstrate that G6P is involved in the therapeutic mechanism of Guilingji in OAT treatment based on clinical and rat intervention studies.
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Affiliation(s)
- Yuming Feng
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, Guangdong, China
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Shanmeizi Zhao
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, Jiangsu, China
| | - Rong Ju
- Department of Obstetrics and Gynecology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China
| | - Jianbo Li
- Center for Reproductive Medicine of Obstetrics and Gynecology, Tangdu Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Chengshuang Pan
- Reproductive Medicine Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Qinglai Tang
- Department of Urology, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, 211100, Jiangsu, China
| | - Zhichuan Zou
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Jun Jing
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Yao Xu
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, 211116, Jiangsu, China
| | - Hualong Ding
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Jinzhao Ma
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Zhou Li
- Department of Reproductive Medicine, Nanjing Jinling Hospital, School of Medicine, Jiangsu University, Zhenjiang, 212000, Jiangsu, China
| | - Ting Tang
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Yong Shao
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Li Chen
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Xuefeng Huang
- Reproductive Medicine Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Xiaohong Wang
- Center for Reproductive Medicine of Obstetrics and Gynecology, Tangdu Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Bing Yao
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, Guangdong, China
- Department of Reproductive Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, Jiangsu, China
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Chen Y, Zhong J, Cai Z, Xia Z, Qing B, Yuan Y, Zhang J. Meta-analysis of the association between sex hormones and pulmonary fibrosis. Postgrad Med 2024; 136:567-576. [PMID: 39109519 DOI: 10.1080/00325481.2024.2373683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 06/17/2024] [Indexed: 08/15/2024]
Abstract
BACKGROUND This study aimed to investigate the association between sex hormones and the risk of pulmonary fibrosis by conducting a meta-analysis of previously published studies. METHODS We executed a comprehensive search of the PubMed, Embase, Cochrane Library, and Web of Science databases to locate pertinent studies published up to April 2024. We included studies that reported the association between sex hormones and the risk of pulmonary fibrosis. Standardized mean difference (SMD) with 95% confidence intervals (CIs) were calculated using a random-effects model. RESULTS A total of 10 articles, encompassing 1371 patients, were finally incorporated in this meta-analysis. Based on the evaluation of the included studies, it was observed that the levels of dehydroepiandrosterone sulfate (DHEA-S) (pooled SMD: -0.72, 95% CI: -1.21 to -0.24, p < 0.001), testosterone (pooled SMD: -1.25, CI: -2.39 and -0.11, p < 0.001) and estrogen (pooled SMD: -0.56, 95% CI: -0.96 to -0.15, p < 0.001) were significantly lower in patients with pulmonary fibrosis, whereas the levels of luteinizing hormone (LH) remained unaffected. Publication bias was ruled out through funnel plots. CONCLUSION This meta-analysis indicates that reduced levels of DHEA-S, testosterone, estrogen may serve as potential risk factors for pulmonary fibrosis. There is a pressing need for additional studies to confirm this association and explore the underlying biological mechanisms. Clinicians should recognize the potential influence of sex hormones in the etiology of pulmonary fibrosis and consider this aspect during the patient management process.
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Affiliation(s)
- Ying Chen
- Department of Thoracic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jiaxin Zhong
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zixin Cai
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zhenkun Xia
- Department of Thoracic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Bei Qing
- Department of Thoracic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yunchang Yuan
- Department of Thoracic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jingjing Zhang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Ren YL, Liang Q, Lian CY, Zhang W, Wang L. Melatonin alleviates glyphosate-induced testosterone synthesis inhibition via targeting mitochondrial function in roosters. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 348:123828. [PMID: 38522604 DOI: 10.1016/j.envpol.2024.123828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/06/2023] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
Glyphosate (GLY) is a widely used herbicide that has been revealed to inhibit testosterone synthesis in humans and animals. Melatonin (MET) is an endogenous hormone that has been demonstrated to promote mammalian testosterone synthesis via protecting mitochondrial function. However, it remains unclear whether MET targets mitochondria to alleviate GLY-inhibited testosterone synthesis in avian. In this study, an avian model using 7-day-old rooster upon chronic exposure to GLY with the treatment of MET was designed to clarify this issue. Data first showed that GLY-induced testicular Leydig cell damage, structural damage of the seminiferous tubule, and sperm quality decrease were mitigated by MET. Transcriptomic analyses of the testicular tissues revealed the potentially critical role of mitophagy and steroid hormone biosynthesis in the process of MET counteracting GLY-induced testicular damage. Also, validation data demonstrated that the inhibition of testosterone synthesis due to GLY-induced mitochondrial dynamic imbalance and concomitant Parkin-dependent mitophagy activation is alleviated by MET. Moreover, GLY-induced oxidative stress in serum and testicular tissue were significantly reversed by MET. In summary, these findings demonstrate that MET effectively ameliorates GLY-inhibited testosterone synthesis by inhibiting mitophagy activation, which provides a promising remedy for the application of MET as a potential therapeutic agent to antagonize reproductive toxicity induced by GLY and similar contaminants.
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Affiliation(s)
- Yu-Long Ren
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Qing Liang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Cai-Yu Lian
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Wei Zhang
- Yantai Academy of Agricultural Sciences, Yan'tai City 265500, Shandong Province, China.
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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Liu G, Liu D, Zhu M, Zhang M, Li C, Xu X, Pan F. Insulin-like growth factor-1 promotes the testicular sperm production by improving germ cell survival and proliferation in high-fat diet-treated male mice. Andrology 2024. [PMID: 38639009 DOI: 10.1111/andr.13645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 03/16/2024] [Accepted: 03/28/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND A decrease in semen volume among men is comparable to the rising prevalence of obesity worldwide. The anabolic hormone insulin-like growth factor-1 (IGF-1) can promote proliferation and differentiation in cultured mouse spermatogonial stem cells and alleviate abnormal in vitro spermatogenesis. Additionally, serum IGF-1 level is negatively correlated with body mass index. Whereas the role of IGF-1 in the sperm production in obese men remains unclear. OBJECTIVE To investigate the therapeutic effect and potential mechanism of IGF-1 on spermatogenesis of high-fat diet (HFD)-induced obesity mice. METHODS An HFD-induced obesity mouse model was established. Alterations in testicular morphology, sperm count, proliferation, and apoptosis were observed by H&E staining,immunohistochemistry, immunofluorescence, and Western blotting. Exogenous recombinant IGF-1 was administered to obese mice to investigate the correlations between altered testicular IGF-1 levels and sperm production. RESULTS The sperm count was reduced, the testicular structure was disordered, and sex hormone levels were abnormal in HFD-fed mice compared with normal diet-fed mice. The expression of proliferation-related antigens such as proliferating cell nuclear antigen (PCNA) and Ki-67 was decreased, while that of proapoptotic proteins such as c-caspase3 was increased in testes from HFD-fed mice. Most importantly, the phosphorylation of insulin-like growth factor-1 receptor (IGF-1R) in testes was decreased due to reductions in IGF-1 from hepatocytes and Sertoli cells. Recombinant IGF-1 alleviated these functional impairments by promoting IGF-1R, Akt, and Erk1/2 phosphorylation in the testes. CONCLUSIONS Insufficient IGF-1/IGF-1R signaling is intimately linked to damaged sperm production in obese male mice. Exogenous IGF-1 can improve survival and proliferation as well as sperm production. This study provides a novel theoretical basis and a target for the treatment of obese men with oligozoospermia.
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Affiliation(s)
- Guoqiang Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Di Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Minggang Zhu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Mingrui Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chunyang Li
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Key Laboratory of, Ministry of Education for Neurological Disorders, Wuhan, Hubei, China
| | - Xiaohong Xu
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Key Laboratory of, Ministry of Education for Neurological Disorders, Wuhan, Hubei, China
| | - Feng Pan
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Yuan C, Hong H, Wang N, Chen T, Cao M, Zhao Y, Shen C, Chen X, Luo Y, Zhang B, Zhou X, Li C. Increased oxidized low-density lipoprotein in mice exposed to a high-fat diet impaired spermatogenesis by inhibiting testosterone synthesis via the Klk1bs/Eid3 pathway. Clin Transl Med 2024; 14:e1603. [PMID: 38433441 PMCID: PMC10909978 DOI: 10.1002/ctm2.1603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/06/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024] Open
Affiliation(s)
- Chenfeng Yuan
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Hanhui Hong
- College of Biological Sciences and TechnologyBeijing Forestry UniversityBeijingP. R. China
| | - Nan Wang
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Tong Chen
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Maosheng Cao
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Yun Zhao
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Caomeihui Shen
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Xue Chen
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Yuxin Luo
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Boqi Zhang
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Xu Zhou
- College of Animal SciencesJilin UniversityChangchunP. R. China
| | - Chunjin Li
- College of Animal SciencesJilin UniversityChangchunP. R. China
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8
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Pabisz P, Bazak J, Sabat M, Girotti AW, Korytowski W. Cholesterol Hydroperoxide Co-trafficking in Testosterone-generating Leydig Cells: GPx4 Inhibition of Cytotoxic and Anti-steroidogenic Effects. Cell Biochem Biophys 2024; 82:213-222. [PMID: 37995086 PMCID: PMC10866752 DOI: 10.1007/s12013-023-01194-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 10/27/2023] [Indexed: 11/24/2023]
Abstract
Trafficking of intracellular cholesterol (Ch) to and into mitochondria of steroidogenic cells is required for steroid hormone biosynthesis. This trafficking is typically mediated by one or more proteins of the steroidogenic acute regulatory (StAR) family. Our previous studies revealed that 7-OOH, a redox-active cholesterol hydroperoxide, could be co-trafficked with Ch to/into mitochondria of MA-10 Leydig cells, thereby inducing membrane lipid peroxidation (LPO) which impaired progesterone biosynthesis. These negative effects of 7-OOH were inhibited by endogenous selenoperoxidase GPx4, indicating that this enzyme could protect against 7-OOH-induced oxidative damage/dysfunction. In the present study, we advanced our Leydig focus to cultured murine TM3 cells and then to primary cells from rat testis, both of which produce testosterone. Using a fluorescent probe, we found that extensive free radical-mediated LPO occurred in mitochondria of stimulated primary Leydig cells during treatment with liposomal Ch+7-OOH, resulting in a significant decline in testosterone output relative to that with Ch alone. Strong enhancement of LPO and testosterone shortfall by RSL3 (a GPx4 inhibitor) and reversal thereof by Ebselen (a GPx4 mimetic), suggested that endogenous GPx4 was playing a key antioxidant role. 7-OOH in increasing doses was also cytotoxic to these cells, RSL3 exacerbating this in Ebselen-reversable fashion. Moreover, GPx4 knockdown increased cell sensitivity to LPO with reduced testosterone output. These findings, particularly with primary Leydigs (which best represent cells in intact testis) suggest that GPx4 plays a key protective role against peroxidative damage/dysfunction induced by 7-OOH co-trafficking with Ch.
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Affiliation(s)
- Pawel Pabisz
- Department of Biophysics, Jagiellonian University, Krakow, Poland
| | - Jerzy Bazak
- Department of Biophysics, Jagiellonian University, Krakow, Poland
| | - Michal Sabat
- Department of Biophysics, Jagiellonian University, Krakow, Poland
| | - Albert W Girotti
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
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Zhang K, Li C, Feng X, Zhang N, Gao X, Lv G, Shen J, Wu P, Lv J, Sun J. Integrated cell metabolomics and network pharmacology approach deciphers the anti-testosterone deficiency mechanisms of Bushen Zhuanggu Tang. J Pharm Biomed Anal 2024; 239:115919. [PMID: 38134707 DOI: 10.1016/j.jpba.2023.115919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Testicular dysfunction is distinguished by a deficiency in testosterone levels, which can be attributed to the occurrence of oxidative stress injury in Leydig cells. The empirical prescription known as Bushen Zhuanggu Tang, developed by a highly experienced traditional Chinese medicine practitioner with six decades of clinical expertize, aligns with the traditional Chinese medicine principle of "kidney governing bone". Researchers have demonstrated that the administration of BSZGT can effectively enhance testosterone production. The objective of this study is to investigate the potential anti-testicular dysfunction effects of BSZGT and elucidate its underlying mechanism in an in vitro setting. Specifically, the impact of oxidative stress induced by H2O2 on the activity and testosterone levels of Leydig cells (TM3) was examined. Furthermore, the utilization of UPLC-QE-Qrbitrap-MS enabled the identification of the involvement of BSZGT in various metabolic pathways, including arginine biosynthesis, amino acyl-tRNA biosynthesis, Alanine, aspartate and glutamine metabolism, and Citrate Cycle, through the modulation of 25 distinct metabolites. Additionally, a network pharmacological analysis was conducted to investigate the pivotal protein targets associated with the therapeutic effects of BSZGT. The findings demonstrate the identification of six key proteins (CYP19A1, CYP1B1, ALOX5, ARG1, XDH, and MPO) that play a significant role in augmenting testicular function through their involvement in the ovarian steroid production pathway. In summary, our study presents a comprehensive research methodology that combines cell metabonomics and network pharmacology to enhance the discovery of new therapeutic agents for TD.
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Affiliation(s)
- Kaiyue Zhang
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Chunnan Li
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Xueqin Feng
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Nanxi Zhang
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Xiaochen Gao
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Guangfu Lv
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Jiaming Shen
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Peitong Wu
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Jingwei Lv
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China.
| | - Jiaming Sun
- Jilin Institute of Ginseng Science, Changchun University of Chinese Medicine, Changchun 130117, PR China.
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10
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Bi L, Wang C, Du Y, Lu C, Zhao M, Ding Y, Sun W, Fan W. Causal Effects of Lipids-Related Metabolites on Androgenic Alopecia: A Mendelian Randomization Study. Clin Cosmet Investig Dermatol 2024; 17:409-416. [PMID: 38371329 PMCID: PMC10871140 DOI: 10.2147/ccid.s445453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/30/2024] [Indexed: 02/20/2024]
Abstract
Purpose To investigate whether increased levels of lipids-related metabolites (LRMs) result in androgenic alopecia (AGA). Patients and Methods A two-sample Mendelian randomization (MR) study was designed, and single nucleotide polymorphisms (SNPs) respectively related to nine LRMs were selected from the genome-wide association study (GWAS) dataset. An MR analysis was performed to assess the causal association between LRMs and AGA. Results Through the fixed-effect inverse variance weighting (IVW) method, MR analysis indicated that Apolipoprotein B (ApoB), low-density lipoprotein (LDL), and very-low-density lipoprotein (VLDL) had a causal relationship with AGA. No obvious heterogeneity or pleiotropy was observed. Conclusion The risk of AGA increases significantly when the serum levels of ApoB, LDL, and VLDL increase. This causal relationship is solid and free of interference from confounding factors.
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Affiliation(s)
- Lingbo Bi
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Chaofan Wang
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Yimei Du
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Changpei Lu
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Min Zhao
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Yunbu Ding
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Weiling Sun
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
| | - Weixin Fan
- Department of Dermatology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, People’s Republic of China
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11
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Panghal A, Jena G. Gut-Gonad Perturbations in Type-1 Diabetes Mellitus: Role of Dysbiosis, Oxidative Stress, Inflammation and Energy-Dysbalance. Curr Diabetes Rev 2024; 20:e220823220204. [PMID: 37608613 DOI: 10.2174/1573399820666230822151740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/24/2023] [Accepted: 07/03/2023] [Indexed: 08/24/2023]
Abstract
Type 1 diabetes mellitus is a major metabolic disorder that affects people of all age groups throughout the world. It is responsible for the alterations in male gonadal physiology in experimental models as well as in clinical cases. On the other side, diabetes mellitus has also been associated with perturbations in the gut physiology and microbiota dysbiosis. The accumulating evidence suggests a link between the gut and gonad as evident from the i) experimental data providing insights into type 1 diabetes mellitus induced gut perturbations, ii) link of gut physiology with alterations of testicular health, iii) role of gut microbiota in androgen metabolism in the intestine, and iv) epidemiological evidence linking type 1 diabetes mellitus with inflammatory bowel disease and male infertility. Considering all the pieces of evidence, it is summarized that gut dysbiosis, oxidative stress, inflammation and energy dys-balance are the prime factors involved in the gonadal damage under type 1 diabetes mellitus, in which the gut contributes significantly. Identification of novel biomarkers and intervention of suitable agents targeting these prime factors may be a step forward to restore the gonadal damage in diabetic conditions.
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Affiliation(s)
- Archna Panghal
- Facility for Risk Assessment and Intervention Studies, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, S.A.S Nagar, Punjab 160062, India
| | - Gopabandhu Jena
- Facility for Risk Assessment and Intervention Studies, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, S.A.S Nagar, Punjab 160062, India
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12
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Xie J, Wang J, Shao J, Fang H, Liu Y, Xiao X, Wen X, Guan X, Su Z, Duan P, Chen H, Chen C. Transcriptomic characterization of interactions between sodium selenite and coenzyme Q10 on preventing cadmium-induced testicular defects. Food Chem Toxicol 2023; 182:114180. [PMID: 37967787 DOI: 10.1016/j.fct.2023.114180] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/16/2023] [Accepted: 11/02/2023] [Indexed: 11/17/2023]
Abstract
The effect of heavy metal cadmium (Cd) on testicular function is recognized. However, the mechanism involved is not well-established. In the present study, we analyzed the testicular transcriptomic changes induced by acute Cd exposure of adult rats with and without supplementation of antioxidants selenium (Se) and/or coenzyme Q10 (CoQ). Cd significantly decreased serum testosterone and two steroidogenic proteins SCARB1 and STAR. RNA-Seq analyses of testicular RNAs revealed specific activation of oxidative stress-, inflammation-, MAPK- and NF-κB-related signaling molecules. In addition, Cd treatment down-regulated gene for I, III and IV complexes of mitochondrial electron transport chain and up-regulated genes for NADPH-oxidase, major cascade in ROS production. The decrease in steroidogenesis and increase in inflammation may result from oxidative stress since supplementation of Se and CoQ, but not with either alone, almost completely prevented these changes, including overall alterations in transcriptome. Cd exposure induced total of 1192 differentially expressed genes (DEGs), which was reduced to 29 without considering confounding factors associated with Se/CoQ, a 97.6% protection rate. In conclusion, Cd exposure inhibited Leydig cell steroidogenesis by down-regulating SCARB1 and STAR through increasing oxidative stress and inflammation, but Se plus CoQ synergistically prevented all the changes induced by the Cd exposure.
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Affiliation(s)
- Jiajia Xie
- Department of Pharmacology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiexia Wang
- Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Department of Gynecology and Obstetrics, The Second Affiliated Hospital andYuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jingjing Shao
- Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hangping Fang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital andYuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yijia Liu
- Zhejiang Provincial Key Laboratory of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xue Xiao
- Department of Cell Biology, Jinan University, Guangzhou, China
| | - Xin Wen
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital andYuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaoju Guan
- Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhijian Su
- Department of Cell Biology, Jinan University, Guangzhou, China
| | - Ping Duan
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital andYuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Haolin Chen
- Department of Pharmacology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Department of Gynecology and Obstetrics, The Second Affiliated Hospital andYuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Congde Chen
- Department of Pharmacology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Children Genitourinary Diseases of Wenzhou City, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Department of Pediatric Urology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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13
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Zhu W, Mao J, Qin J, Chen X. CFAP61 knockdown aggravates male infertility by inhibiting testosterone secretion by Leydig cells via the MAPK/COX-2 pathway. Funct Integr Genomics 2023; 23:340. [PMID: 37982895 DOI: 10.1007/s10142-023-01271-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/21/2023]
Abstract
This study aimed to elucidate the roles of cilia- and flagella-associated protein 61 (CFAP61) in male infertility and its underlying mechanisms. CFAP61 expression levels in the testicular tissues of male patients with infertility were determined using quantitative real-time polymerase chain reaction, immunohistochemical assay, and western blotting. Moreover, the specific roles of CFAP61 in male infertility were evaluated using cell counting kit-8, 5-ethynyl-2'-deoxyuridine, flow cytometry, and enzyme-linked immunosorbent assays. Here, CFAP61 was expressed at low levels in the testicular tissues of male patients with infertility. Functionally, CFAP61 knockdown reduced the Leydig cell viability and testosterone secretion and enhanced apoptosis. A mechanistic study further revealed that silencing CFAP61 promoted the expression levels of mitogen-activated protein kinase (MAPK)/cyclooxygenase-2 (COX-2) signaling pathway-related proteins (p-extracellular signal-regulated kinase (p-ERK), p-c-Jun N-terminal kinase (p-JNK), p-P38, and COX-2). In conclusion, CFAP61 knockdown facilitated male infertility by suppressing Leydig cell viability and testosterone secretion and enhanced cell apoptosis by activating the MAPK/COX-2 pathway. Our data suggest CFAP61 as a potential therapeutic target for male infertility.
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Affiliation(s)
- Wenkai Zhu
- Department of Histology and Embryology, Medical School of Nantong University, No. 19, Qixiu Road, Chongchuan District, Nantong, 226001, Jiangsu, China
| | - Jing Mao
- Department of Histology and Embryology, Medical School of Nantong University, No. 19, Qixiu Road, Chongchuan District, Nantong, 226001, Jiangsu, China
| | - Jianxin Qin
- Department of Histology and Embryology, Medical School of Nantong University, No. 19, Qixiu Road, Chongchuan District, Nantong, 226001, Jiangsu, China
| | - Xia Chen
- Department of Histology and Embryology, Medical School of Nantong University, No. 19, Qixiu Road, Chongchuan District, Nantong, 226001, Jiangsu, China.
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14
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Wang J, Zhang S, Hu L, Wang Y, Liu K, Le J, Tan Y, Li T, Xue H, Wei Y, Zhong O, He J, Zi D, Lei X, Deng R, Luo Y, Tang M, Su M, Cao Y, Liu Q, Tang Z, Lei X. Pyrroloquinoline quinone inhibits PCSK9-NLRP3 mediated pyroptosis of Leydig cells in obese mice. Cell Death Dis 2023; 14:723. [PMID: 37935689 PMCID: PMC10630350 DOI: 10.1038/s41419-023-06162-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 08/25/2023] [Accepted: 09/19/2023] [Indexed: 11/09/2023]
Abstract
Abnormal lipid metabolism and chronic low-grade inflammation are the main traits of obesity. Especially, the molecular mechanism of concomitant deficiency in steroidogenesis-associated enzymes related to testosterone (T) synthesis of obesity dominated a decline in male fertility is still poorly understood. Here, we found that in vivo, supplementation of pyrroloquinoline quinone (PQQ) efficaciously ameliorated the abnormal lipid metabolism and testicular spermatogenic function from high-fat-diet (HFD)-induced obese mice. Moreover, the transcriptome analysis of the liver and testicular showed that PQQ supplementation not only inhibited the high expression of proprotein convertase subtilisin/Kexin type 9 (PCSK9) but also weakened the NOD-like receptor family pyrin domain containing 3 (NLRP3)-mediated pyroptosis, which both played a negative role in T synthesis of Leydig Cells (LCs). Eventually, the function and the pyroptosis of LCs cultured with palmitic acid in vitro were simultaneously benefited by suppressing the expression of NLRP3 or PCSK9 respectively, as well the parallel effects of PQQ were affirmed. Collectively, our data revealed that PQQ supplementation is a feasible approach to protect T synthesis from PCSK9-NLRP3 crosstalk-induced LCs' pyroptosis in obese men.
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Affiliation(s)
- Jinyuan Wang
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Shun Zhang
- Department of Reproductive Medical Center, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, China
| | - Linlin Hu
- Reproductive Medicine Center, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yan Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, 530004, China
| | - Ke Liu
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Jianghua Le
- Department of Reproductive Medical Center, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, China
| | - Yongpeng Tan
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Tianlong Li
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Haoxuan Xue
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Yanhong Wei
- Reproductive Medicine Center, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Ou Zhong
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Junhui He
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Dan Zi
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Xin Lei
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Renhe Deng
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Yafei Luo
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Masong Tang
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Mingxuan Su
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Yichang Cao
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Qingyou Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, 530004, China
| | - Zhihan Tang
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China.
| | - Xiaocan Lei
- Clinical Anatomy and Reproductive Medicine Application Institute, Department of Histology and Embryology, Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, China.
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15
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Ibrahim M, Ferreira G, Venter EA, Botha CJ. Cytotoxicity, morphological and ultrastructural effects induced by the neonicotinoid pesticide, imidacloprid, using a rat Leydig cell line (LC-540). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 104:104310. [PMID: 37926370 DOI: 10.1016/j.etap.2023.104310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
Imidacloprid is a systemic neonicotinoid insecticide widely used to combat agricultural pests and flea infestations in dogs and cats. Despite its low toxicity to mammals, imidacloprid is reported to cause male reproductive toxicity. This study evaluated the cytotoxic effects of 75-800 μM imidacloprid on a rat Leydig cell line (LC-540). The effect of exposure to 300, 400, and 500 µM imidacloprid on selected cytoskeletal proteins, mitochondrial morphology, lysosomal acidity, and ultrastructure were investigated. Cell viability was markedly reduced after 48 and 72 h of exposure to higher imidacloprid concentrations. The immunocytochemical analysis revealed that the cytoskeletal filaments exhibited disorganization, disruption, and perinuclear aggregation in treated LC-540 cells. Ultrastructurally, cytoplasmic vacuoles, autophagic vacuoles, lysosomes, and mitochondrial damage were detected. Changes in the mitochondrial morphology and lysosomes induced by imidacloprid were confirmed. The cytotoxicity of imidacloprid observed in LC-540 cells might be due to its mitochondrial damage and cytoskeletal protein disruption.
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Affiliation(s)
- Mia Ibrahim
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa.
| | - Gch Ferreira
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
| | - E A Venter
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
| | - C J Botha
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
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16
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Falvo S, Minucci S, Santillo A, Senese R, Chieffi Baccari G, Venditti M. A short-term high-fat diet alters rat testicular activity and blood-testis barrier integrity through the SIRT1/NRF2/MAPKs signaling pathways. Front Endocrinol (Lausanne) 2023; 14:1274035. [PMID: 38027181 PMCID: PMC10643185 DOI: 10.3389/fendo.2023.1274035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/06/2023] [Indexed: 12/01/2023] Open
Abstract
Background Overweight/obesity are metabolic disorder resulting from behavioral, environmental, and heritable causes. WHO estimates that 50% of adults and 30% of children and adolescents are overweight or obese, and, in parallel, an ongoing decline in sperm quality and male fertility has been described. Numerous studies demonstrated the intimate association between overweight/obesity and reproductive dysfunction due to a highly intricate network of causes not yet completely understood. This study expands the knowledge on the impact of a short-term high-fat diet (st-HFD) on rat testicular activity, specifically on steroidogenesis and spermatogenesis, focusing on the involved molecular mechanisms related to mitochondrial dynamics, blood-testis barrier (BTB) integrity, and SIRT1/NRF2/MAPKs pathways. Methods Ten adult Male Wistar rats were divided into two groups of five and treated with a standard diet or an HFD for five weeks. At the end of the treatment, rats were anesthetized and sacrificed by decapitation. Blood was collected for serum sex hormone assay; one testis was stored at -80ÅãC for western blot analysis, and the other, was fixed for histological and immunofluorescence analysis. Results Five weeks of HFD results in reduced steroidogenesis, increased apoptosis of spermatogenic cells, and altered spermatogenesis, as highlighted by reduced protein levels ofmeiotic and post-meiotic markers. Further, we evidenced the compromission of the BTB integrity, as revealed by the downregulation of structural proteins (N-Cadherin, ZO-1, occludin, connexin 43, and VANGL2) other than the phosphorylation of regulative kinases (Src and FAK). At the molecular level, the impairment of mitochondrial dynamics (fission, fusion, andbiogenesis), and the dysregulation of the SIRT1/NRF2/MAPKs signaling pathways, were evidenced. Interestingly, no change was observed in the levels of pro-inflammatory markers (TNFα, NF-kB, and IL-6). Conclusions The combined data led us to confirm that overweight is a less severe state than obesity. Furthermore, understanding the molecular mechanisms behind the association between metabolic disorders and male fertility could improve the possibility of identifying novel targets to prevent and treat fertility disorders related to overweight/obesity.
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Affiliation(s)
- Sara Falvo
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania ‘Luigi Vanvitelli’, Caserta, Italy
| | - Sergio Minucci
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate, Università degli Studi della Campania ‘Luigi Vanvitelli’, Napoli, Italy
| | - Alessandra Santillo
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania ‘Luigi Vanvitelli’, Caserta, Italy
| | - Rosalba Senese
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania ‘Luigi Vanvitelli’, Caserta, Italy
| | - Gabriella Chieffi Baccari
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania ‘Luigi Vanvitelli’, Caserta, Italy
| | - Massimo Venditti
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate, Università degli Studi della Campania ‘Luigi Vanvitelli’, Napoli, Italy
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17
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Zhao ZX, Shang MY, Long C, Yao XJ, Gao XB, Guo Y, Sheng XH, Wang XG, Xing K, Xiao LF, Qi XL. α-Linolenic acid-regulated testosterone biosynthesis via activation of the JNK-SF-1 signaling pathway in primary rooster Leydig cells. Theriogenology 2023; 209:170-177. [PMID: 37393747 DOI: 10.1016/j.theriogenology.2023.06.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 05/25/2023] [Accepted: 06/22/2023] [Indexed: 07/04/2023]
Abstract
As a functional fatty acid, α-linolenic acid (ALA) is essential in promoting animal testosterone biosynthesis. This study investigated the effects of ALA on testosterone biosynthesis and the possible mechanism underlying the signaling pathway in primary Leydig cells of the rooster. METHODS Primary rooster Leydig cells were treated with ALA (0, 20, 40, or 80 μmol/L) or pretreated with a p38 inhibitor (50 μmol/L), a c-Jun NH2-terminal kinase (JNK) inhibitor (20 μmol/L), or an extracellular signal-regulated kinase (ERK) inhibitor (20 μmol/L) before ALA treatment. Testosterone content in the conditioned culture medium was detected using an enzyme-linked immunosorbent assay (ELISA). The expression of steroidogenic enzymes and JNK-SF-1 signaling pathway factors was detected using real-time fluorescence quantitative PCR (qRT-PCR). RESULTS Supplementation with ALA significantly increased testosterone secretion within culture media (P < 0.05), and the optimized dose was 40 μmol/L. Compared with the control group, steroidogenic acute regulatory protein (StAR), cholesterol side-chain cleavage enzyme (P450scc), and 3β-hydroxysteroid dehydrogenase (3β-HSD) mRNA expression significantly increased (P < 0.05) in the 40 μmol/L ALA group; 17-hydroxylase/c17-20 lyase (P450c17) and p38 mRNA expressions were not significantly different in the 40 μmol/L ALA group; ERK and JNK mRNA expressions were significantly upregulated (P < 0.05) in 40 μmol/L ALA group. In the inhibitor group, testosterone levels were significantly downregulated (P < 0.05). Compared with the 40 μmol/L ALA group, StAR, P450scc, and P450c17 mRNA expressions were significantly decreased (P < 0.05), and 3β-HSD mRNA expression in the p38 inhibitor group did not change; StAR, P450scc, and 3β-HSD mRNA expressions were significantly decreased (P < 0.05), and P450c17 mRNA expression in ERK inhibitor group did not change; StAR, P450scc, 3β-HSD, and P450c17 mRNA expressions were significantly decreased (P < 0.05) in JNK inhibitor group. Additionally, the increased steroidogenic factor 1 (SF-1) gene expression levels induced by ALA were reversed when the cells were pre-incubated with JNK and ERK inhibitors. The levels in the JNK inhibitor group were significantly lower than those in the control group (P < 0.05). CONCLUSION ALA may promote testosterone biosynthesis by activating the JNK-SF-1 signaling pathway to upregulate StAR, P450scc, 3β-HSD, and P450c17 expression in primary rooster Leydig cells.
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Affiliation(s)
- Zhi-Xian Zhao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Ming-Yu Shang
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Cheng Long
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Xue-Jun Yao
- Changping District Animal Disease Prevention and Control Center, Beijing, 102299, China
| | - Xiao-Bo Gao
- Changping District Animal Disease Prevention and Control Center, Beijing, 102299, China
| | - Yong Guo
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Xi-Hui Sheng
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Xiang-Guo Wang
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Kai Xing
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Long-Fei Xiao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Xiao-Long Qi
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China.
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Lee JH, Jung HD, Choi JD, Kang JY, Yoo TK, Park YW. Non-linear association between testosterone and LDL concentrations in men. Andrology 2023; 11:1107-1113. [PMID: 36681877 DOI: 10.1111/andr.13393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 12/23/2022] [Accepted: 01/17/2023] [Indexed: 01/23/2023]
Abstract
BACKGROUND Contradictory data have been reported about the association between testosterone levels and the levels of low-density lipoprotein cholesterol (LDL). OBJECTIVES The aim of this study was to elucidate the association between testosterone and LDL levels. MATERIALS AND METHODS A cross-sectional study was conducted that included 7268 men who had participated in a health examination. Men who took agents that influence serum lipid profiles within the previous 6 months were excluded. A full metabolic work-up and serum testosterone level checks were performed. The main outcome measures included the testosterone level and testosterone <3.5 ng/ml prevalence of each decile of LDL and their polynomial trendlines and the odds ratio (OR) of testosterone <3.5 ng/ml according to the LDL level. RESULTS The polynomial trendline suggests the inverse association of testosterone with the deciles of triglycerides, the positive association of testosterone with the deciles of high-density lipoprotein cholesterol and the inverted U-shaped association between testosterone and the deciles of LDL. The polynomial trendline suggests a U-shaped curvilinear relationship between the deciles of LDL and the prevalence of testosterone <3.5 ng/ml. The adjusted ORs of testosterone <3.5 ng/ml in men in the lowest and highest deciles were significantly higher than those of men in the 10th-90th deciles of LDL (OR [95% CI], < 10th LDL: 1.4[1.2-1.8]; 10th - 90th LDL: 1.0 [reference]; >90th LDL: 1.3[1.0-1.6]), which reinforces the U-shaped curvilinear relationship between LDL levels and the prevalence of testosterone <3.5 ng/ml. DISCUSSION AND CONCLUSION Further research is needed to elucidate the association of very low or very high LDL concentrations with circulating testosterone in men.
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Affiliation(s)
- Jun Ho Lee
- Department of Urology, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Hyuk-Dal Jung
- Department of Urology, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Jae Duck Choi
- Department of Urology, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Jung Yoon Kang
- Department of Urology, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Tag Keun Yoo
- Department of Urology, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Yeon Won Park
- Department of Urology, National Police Hospital, Seoul, South Korea
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Ma H, Xing F, Zhou Y, Yu P, Luo R, Xu J, Xiang Z, Rommens PM, Duan X, Ritz U. Design and fabrication of intracellular therapeutic cargo delivery systems based on nanomaterials: current status and future perspectives. J Mater Chem B 2023; 11:7873-7912. [PMID: 37551112 DOI: 10.1039/d3tb01008b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Intracellular cargo delivery, the introduction of small molecules, proteins, and nucleic acids into a specific targeted site in a biological system, is an important strategy for deciphering cell function, directing cell fate, and reprogramming cell behavior. With the advancement of nanotechnology, many researchers use nanoparticles (NPs) to break through biological barriers to achieving efficient targeted delivery in biological systems, bringing a new way to realize efficient targeted drug delivery in biological systems. With a similar size to many biomolecules, NPs possess excellent physical and chemical properties and a certain targeting ability after functional modification on the surface of NPs. Currently, intracellular cargo delivery based on NPs has emerged as an important strategy for genome editing regimens and cell therapy. Although researchers can successfully deliver NPs into biological systems, many of them are delivered very inefficiently and are not specifically targeted. Hence, the development of efficient, target-capable, and safe nanoscale drug delivery systems to deliver therapeutic substances to cells or organs is a major challenge today. In this review, on the basis of describing the research overview and classification of NPs, we focused on the current research status of intracellular cargo delivery based on NPs in biological systems, and discuss the current problems and challenges in the delivery process of NPs in biological systems.
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Affiliation(s)
- Hong Ma
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Fei Xing
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Yuxi Zhou
- Department of Periodontology, Justus-Liebig-University of Giessen, Ludwigstraße 23, 35392 Giessen, Germany
| | - Peiyun Yu
- LIMES Institute, Department of Molecular Brain Physiology and Behavior, University of Bonn, Carl-Troll-Str. 31, 53115 Bonn, Germany
| | - Rong Luo
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Jiawei Xu
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Zhou Xiang
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Pol Maria Rommens
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany.
| | - Xin Duan
- Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
- Department of Orthopedic Surgery, The Fifth People's Hospital of Sichuan Province, Chengdu, China
| | - Ulrike Ritz
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany.
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20
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Xiao Y, Yin S, Cui J, Bai Y, Yang Z, Wang J, Wang J. Association between the prevalence rates of circadian syndrome and testosterone deficiency in US males: data from NHANES (2011-2016). Front Nutr 2023; 10:1137668. [PMID: 37229470 PMCID: PMC10204805 DOI: 10.3389/fnut.2023.1137668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 04/10/2023] [Indexed: 05/27/2023] Open
Abstract
Objective The objective of this study is to explore the association between the prevalence rates of circadian syndrome (CircS) and testosterone deficiency (TD). Materials and methods Cross-sectional analysis was conducted on the basis of the National Health and Nutrition Examination Survey 2011-2016. The target population was males aged ≥20 years old. A total of three multivariable logistic regression models were built to elucidate the association between the prevalence rates of CircS and TD. Interactive and stratified analyses were employed to explore whether some variables can modify the above association. Sensitivity analyses were also conducted to verify the stability of the results with extreme values removed. Results A total of 3,436 eligible participants were involved. Multivariable logistic regression in the fully adjusted model suggested the CircS group had a significantly higher prevalence rate of TD compared with the non-CircS group (OR = 2.284, 95%CI 1.569 to 3.323). No significant correlation between the number of CircS components and TD was observed in any of the three models. The interactive and stratified analyses showed the association was more obvious in the population with moderate or vigorous activities. The results were robust after extreme data were excluded. Conclusion There is a positive association between the prevalence rates of CircS and TD in US men. The association becomes more obvious owing to moderate or vigorous activities.
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Affiliation(s)
- Yunfei Xiao
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Shan Yin
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Jianwei Cui
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yunjin Bai
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhenzhen Yang
- Department of Clinical Laboratory, Nanchong Central Hospital, Nanchong, China
| | - Jiahao Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jia Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
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21
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Taurine Improves Sperm Mitochondrial Indices, Blunts Oxidative Stress Parameters, and Enhances Steroidogenesis and Kinematics of Sperm in Lead-Exposed Mice. Reprod Sci 2022; 30:1891-1910. [DOI: 10.1007/s43032-022-01140-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/22/2022] [Indexed: 12/13/2022]
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22
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Abstract
In the absence of obesity, adverse lifestyle behaviours, and use of medication such as opioids serum testosterone concentrations decrease by only a minimal amount at least until very advanced age in most men. Obesity is heterogeneous in its phenotype, and it is the accumulation of excess adipose tissue viscerally associated with insulin resistance, dyslipidaemia, inflammation, hypothalamic leptin resistance and gliosis that underpins the functional hypogonadism of obesity. Both central (hypothalamic) and peripheral mechanisms are involved resulting in a low serum total testosterone concentration, while LH and FSH are typically in the normal range. Peripherally a decrease in serum sex hormone binding globulin (SHBG) concentration only partially explains the decrease in testosterone and there is increasing evidence for direct effects in the testis. Men with obesity associated functional hypogonadism and serum testosterone concentrations below 16 nmol/L are at increased risk of incident type 2 diabetes (T2D); high testosterone concentrations are protective. The magnitude of weight loss is linearly associated with an increase in serum testosterone concentration and with the likelihood of preventing T2D or reverting newly diagnosed disease; treatment with testosterone for 2 years increases the probability of a positive outcome from a lifestyle intervention alone by approximately 40%. Whether the additional favourable benefits of testosterone treatment on muscle mass and strength and bone density and quality in the long-term remains to be determined.
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Affiliation(s)
- Gary Wittert
- University of Adelaide, Adelaide, Australia.
- Freemasons Centre for Male Health and Wellbeing, South Australian Health and Medical Research Institute, University of Adelaide, Adelaide, Australia.
- South Australian Health and Medical Research Institute North Terrace Adelaide, 5000, SA, Adelaide, Australia.
| | - Mathis Grossmann
- Department of Medicine (Austin Health), The University of Melbourne, Heidelberg, Victoria4, Germany
- Department of Endocrinology, Austin Health, Heidelberg, VIC, Germany
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23
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Ommati MM, Ahmadi HN, Sabouri S, Retana-Marquez S, Abdoli N, Rashno S, Niknahad H, Jamshidzadeh A, Mousavi K, Rezaei M, Akhlagh A, Azarpira N, Khodaei F, Heidari R. Glycine protects the male reproductive system against lead toxicity via alleviating oxidative stress, preventing sperm mitochondrial impairment, improving kinematics of sperm, and blunting the downregulation of enzymes involved in the steroidogenesis. ENVIRONMENTAL TOXICOLOGY 2022; 37:2990-3006. [PMID: 36088639 DOI: 10.1002/tox.23654] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/22/2022] [Accepted: 08/27/2022] [Indexed: 06/15/2023]
Abstract
Lead (Pb) is a highly toxic heavy metal widely dispersed in the environment because of human industrial activities. Many studies revealed that Pb could adversely affect several organs, including the male reproductive system. Pb-induced reproductive toxicity could lead to infertility. Thus, finding safe and clinically applicable protective agents against this complication is important. It has been found that oxidative stress plays a fundamental role in the pathogenesis of Pb-induced reprotoxicity. Glycine is the simplest amino acid with a wide range of pharmacological activities. It has been found that glycine could attenuate oxidative stress and mitochondrial impairment in various experimental models. The current study was designed to evaluate the role of glycine in Pb-induced reproductive toxicity in male mice. Male BALB/c mice received Pb (20 mg/kg/day; gavage; 35 consecutive days) and treated with glycine (250 and 500 mg/kg/day; gavage; 35 consecutive days). Then, reproductive system weight indices, biomarkers of oxidative stress in the testis and isolated sperm, sperm kinetic, sperm mitochondrial indices, and testis histopathological alterations were monitored. A significant change in testis, epididymis, and Vas deferens weight was evident in Pb-treated animals. Markers of oxidative stress were also significantly increased in the testis and isolated sperm of the Pb-treated group. A significant disruption in sperm kinetic was also evident when mice received Pb. Moreover, Pb exposure caused significant deterioration in sperm mitochondrial indices. Tubular injury, tubular desquamation, and decreased spermatogenic index were histopathological alterations detected in Pb-treated mice. It was found that glycine significantly blunted oxidative stress markers in testis and sperm, improved sperm mitochondrial parameters, causing considerable higher velocity-related indices (VSL, VCL, and VAP) and percentages of progressively motile sperm, and decreased testis histopathological changes in Pb-exposed animals. These data suggest glycine as a potential protective agent against Pb-induced reproductive toxicity. The effects of glycine on oxidative stress markers and mitochondrial function play a key role in its protective mechanism.
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Affiliation(s)
- Mohammad Mehdi Ommati
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hassan Nategh Ahmadi
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
- College of Animal Science and Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Samira Sabouri
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Socorro Retana-Marquez
- Department of Biology of Reproduction, Autonomous Metropolitan University-Iztapalapa, Mexico City, Mexico
| | - Narges Abdoli
- Food and Drug Administration, Iran Ministry of Health and Medical Education, Tehran, Iran
| | - Sajjad Rashno
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Niknahad
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Akram Jamshidzadeh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Khadijeh Mousavi
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Rezaei
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Akhlagh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Forouzan Khodaei
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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24
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Lu L, Liu JB, Wang JQ, Lian CY, Wang ZY, Wang L. Glyphosate-induced mitochondrial reactive oxygen species overproduction activates parkin-dependent mitophagy to inhibit testosterone synthesis in mouse leydig cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120314. [PMID: 36183875 DOI: 10.1016/j.envpol.2022.120314] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/22/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate (GLY), one of the most extensively used herbicides in the world, has been shown to inhibit testosterone synthesis in male animals. Mitochondria are crucial organelles for testosterone synthesis and its dysfunction has been demonstrated to induce the inhibition of testosterone biosynthesis. However, whether low-dose GLY exposure targets mitochondria to inhibit testosterone synthesis and its underlying mechanism remains unclear. Here, an in vitro model of 10 μM GLY-exposed mouse Leydig (TM3) cells was established to elucidate this issue. Data firstly showed that mitochondrial malfunction, mainly manifested by ultrastructure damage, disturbance of mitochondrial dynamics and mitochondrial reactive oxygen species (mtROS) overproduction, was responsible for GLY-decreased protein levels of steroidogenic enzymes, which leads to the inhibition of testosterone synthesis. Enhancement of autophagic flux and activation of mitophagy were shown in GLY-treated TM3 cells, and further studies have revealed that GLY-activated mitophagy is parkin-dependent. Notably, GLY-inhibited testosterone production was significantly improved by parkin knockdown. Finally, data showed that treatment with mitochondria-targeted antioxidant Mito-TEMPO (M-T) markedly reversed GLY-induced mitochondrial network fragmentation, activation of parkin-dependent mitophagy and consultant testosterone reduction. Overall, these findings demonstrate that GLY induces mtROS overproduction to activate parkin-dependent mitophagy, which contributes to the inhibition of testosterone synthesis. This study provides a potential mechanistic explanation for how GLY inhibits testosterone synthesis in mouse Leydig cells.
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Affiliation(s)
- Lu Lu
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Jing-Bo Liu
- College of Biological and Brewing Engineering, Taishan University, 525 Dongyue Street, Tai'an City, Shandong Province, 271000, China
| | - Jin-Qiu Wang
- Department of Animal Husbandry and Veterinary Medicine, Beijing Vocational College of Agriculture, Beijing, 102442, China
| | - Cai-Yu Lian
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Zhen-Yong Wang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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25
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Yang W, Cui H, Chai Z, Zou P, Shi F, Yang B, Zhang G, Yang H, Chen Q, Liu J, Cao J, Ling X, Ao L. Benzo[a]pyrene inhibits testosterone biosynthesis via NDUFA10-mediated mitochondrial compromise in mouse Leydig cells: Integrating experimental and in silico toxicological approaches. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:114075. [PMID: 36108438 DOI: 10.1016/j.ecoenv.2022.114075] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Benzo[a]pyrene (B[a]P), a representative of polycyclic aromatic hydrocarbons (PAHs), is ubiquitously spread in the environment and showing deleterious impacts on male steroidogenesis, including testosterone synthesis disorder. However, the precise mechanisms involved in B[a]P-induced steroidogenesis perturbation remains obscure. In the present study, we integrated in vivo tests, transcriptome profiling, in vitro assays, and conjoint in silico toxicological approaches to delineate the detailed mechanisms. In mouse models, we observed that B[a]P administration remarkably inhibited testosterone synthesis accompanied by ultrastructural impairments of mitochondria and mitophagosome formation in mouse Leydig cells. Transcriptome profiling showed that B[a]P down-regulated the expression of Ndufa9, Ndufa6, Ndufa10, and Ndufa5 in mouse testes, which are identified as critical genes involved in the assembly and functionality of mitochondrial complex I. In the in vitro tests, the bioactive B[a]P metabolite BPDE induced perturbation of testosterone synthesis by NDUFA10-mediated mitochondrial impairment, which was further exacerbated by mitophagy in TM3 Leydig cells. The findings of in silico toxicological analyses were highly consistent with the experimental observations and further unveiled that B[a]P/BPDE-involved PPARα activation could serve as a molecular initiating event to trigger the decline in Ndufa10 expression and testosterone synthesis. Overall, we have shown the first evidence that mitochondrial compromise in Leydig cells is the extremely crucial target in B[a]P-induced steroidogenesis perturbation.
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Affiliation(s)
- Wang Yang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Haonan Cui
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Zili Chai
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Peng Zou
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Fuquan Shi
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Binwei Yang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Guowei Zhang
- Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Huan Yang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Qing Chen
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Jinyi Liu
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China
| | - Jia Cao
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China.
| | - Xi Ling
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China.
| | - Lin Ao
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing 400038, China.
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Abstract
Type 2 diabetes (T2D) and obesity are common and associated with increased morbidity and mortality. Cross-sectional and longitudinal studies have demonstrated a clear association between T2D, obesity and reduced total testosterone concentration. This relationship becomes less significant or absent with correction for changes in body composition, supporting the notion that changes in body composition are mediating these effects. Moreover, this mediating effect of body composition changes is bi-directional, as evidenced by interventional studies of weight loss and testosterone treatment. On the one hand, in obese men, serum testosterone increases markedly with weight loss. On the other hand, testosterone improves body composition. This relationship is driven by multiple complex interaction between obesity and insulin resistance and the hypothalamic-pituitary-testicular axis, at all levels. Data from randomised control trials have demonstrated that intervention with testosterone therapy increases muscle mass and reduces adiposity. Most recently it has been shown that treatment with testosterone prevents progression of impaired glucose tolerance to T2D, or reverses newly diagnosed T2D beyond lifestyle intervention alone. At present there are insufficient safety data to support the use of testosterone for prevention of type 2 diabetes.
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Affiliation(s)
- Mahesh Umapathysivam
- Endocrine and Metabolic Health Unit, Royal Adelaide Hospital, South Australia; School of Medicine, University of Adelaide, South Australia
| | - Mathis Grossmann
- Department of Medicine (Austin Health), The University of Melbourne, Heidelberg, Victoria, Australia; Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia
| | - Gary A Wittert
- Endocrine and Metabolic Health Unit, Royal Adelaide Hospital, South Australia; School of Medicine, University of Adelaide, South Australia; Freemasons Centre for Male Health and Wellbeing, South Australian Health and Medical Research Institute.
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27
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Wang L, Lu H, Wang S, Liu H, Guo M, Bai H, Zeng W, Zhang T. Vitamin D Receptor affects male mouse fertility via regulation of lipid metabolism and testosterone biosynthesis in testis. Gene 2022; 834:146589. [PMID: 35598688 DOI: 10.1016/j.gene.2022.146589] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 04/18/2022] [Accepted: 05/16/2022] [Indexed: 11/26/2022]
Abstract
Vitamin D and vitamin D receptor (VD/VDR) plays a vital role in the development of spermatozoa, which is largely determined by the testosterone level in serum. Testosterone biosynthesis is closely related to lipid metabolism in gonadal adipose around testes. VDR could regulate lipid metabolism in adipocytes as well. However, it still remains unknown how VDR regulates lipid metabolism to impact testosterone biosynthesis in testis. Hereby, various parameters of male fertility were compared between wildtype (WT) and Vdr knockout (Vdr-KO) male mouse. For Vdr-KO mice, the size of testis and gonadal adipose was smaller than that of WT, and the sperm quality and testosterone level were lower than WT. Subsequently, testis proteome data between Vdr-KO and WT mice indicated that dysregulation of lipid metabolism was closely associated with decreased testosterone biosynthesis in Vdr-deficient mouse. And further evaluation of VDR functions in Leydig cells verified that VDR impacted lipid metabolism and regulated the expression of a range of genes involved in testosterone biosynthesis. Knockdown VDR could significantly decrease testosterone synthesis and secretion in Leydig cells. Meanwhile, expression of genes involved in androgen synthesis was decreased but genes related to lipolysis were up-regulated. Collectively, the present study unveiled the relationship between lipid metabolism and testosterone biosynthesis mediated by VDR in mouse testis and its effect on male fertility. These findings will greatly enhance our current understanding of VDR intermediate in lipid metabolism and androgen synthesis.
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Affiliation(s)
- Ling Wang
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China; Shaanxi Province Key Laboratory of Bio-resources, Shaanxi University of Technology, 723001 Hanzhong, China; QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, 723001 Hanzhong, China
| | - Hongzhao Lu
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China; QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, 723001 Hanzhong, China; Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, 723001 Hanzhong, China
| | - Shanshan Wang
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China
| | - Huan Liu
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China
| | - Miaomiao Guo
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China
| | - Hao Bai
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China
| | - Wenxian Zeng
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China; QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, 723001 Hanzhong, China; Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, 723001 Hanzhong, China.
| | - Tao Zhang
- School of Biological Science and Engineering, Shaanxi University of Technology, 723001 Hanzhong, China; QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, 723001 Hanzhong, China; Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, 723001 Hanzhong, China.
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28
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Saidi AO, Akintayo CO, Atuma CL, Mahmud H, Sabinari IW, Oniyide AA, Aturamu A, Agunbiade TB, Olaniyi KS. Melatonin supplementation preserves testicular function by attenuating lactate production and oxidative stress in high fat diet-induced obese rat model. Theriogenology 2022; 187:19-26. [PMID: 35500423 DOI: 10.1016/j.theriogenology.2022.02.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/26/2022] [Accepted: 02/28/2022] [Indexed: 11/18/2022]
Abstract
Metabolic syndrome, including obesity has been documented as a critical factor in male reproductive dysfunction with subsequent reduction in male fertility. The therapeutic potential of melatonin has been demonstrated against oxidative stress-induced pathologies. Therefore, the present study investigated the effects of melatonin on testicular dysfunction associated with high fat diet (FD)-induced obese rat model, and the possible involvement of peroxisome proliferator-activated receptor-γ (PPAR-γ). Adult male Wistar rats (n = 6/group) were used: control group received vehicle (normal saline), obese group received 40% FD, melatonin-treated group received melatonin (4 mg/kg), and obese plus melatonin group received melatonin and 40% FD and the treatment lasted for 12 weeks. High fat diet caused increased body weight and testicular triglyceride, total cholesterol, malondialdehyde, γ-glutamyl transferase, lactate production and lactate/pyruvate ratio as well as decreased glutathione/glutathione peroxidase, nitric oxide and PPAR-γ and circulating testosterone. Nevertheless, all these alterations were attenuated when supplemented with melatonin. Taken together, these results demonstrates that FD-induced obesity causes testicular dysfunction. In addition, the results suggest that melatonin supplementation protects against obesity-associated testicular dysfunction and this effect is accompanied by upregulation of PPAR-γ.
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Affiliation(s)
- Azeezat O Saidi
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Christopher O Akintayo
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Chukwubueze L Atuma
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Hadiza Mahmud
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Isaiah W Sabinari
- HOPE Cardiometabolic Research Team & Department of Physiology, College of Health Sciences, University of Ilorin, P.M.B, 1515, Ilorin, Nigeria
| | - Adesola A Oniyide
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Ayodeji Aturamu
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Toluwani B Agunbiade
- Department of Medical Microbiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria
| | - Kehinde S Olaniyi
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, 360101, Nigeria; HOPE Cardiometabolic Research Team & Department of Physiology, College of Health Sciences, University of Ilorin, P.M.B, 1515, Ilorin, Nigeria.
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29
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Ge X, He Z, Cao C, Xue T, Jing J, Ma R, Zhao W, Liu L, Jueraitetibaike K, Ma J, Feng Y, Qian Z, Zou Z, Chen L, Fu C, Song N, Yao B. Protein palmitoylation-mediated palmitic acid sensing causes blood-testis barrier damage via inducing ER stress. Redox Biol 2022; 54:102380. [PMID: 35803125 PMCID: PMC9287734 DOI: 10.1016/j.redox.2022.102380] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/16/2022] [Accepted: 06/20/2022] [Indexed: 11/25/2022] Open
Abstract
Blood-testis barrier (BTB) damage promotes spermatogenesis dysfunction, which is a critical cause of male infertility. Dyslipidemia has been correlated with male infertility, but the major hazardous lipid and the underlying mechanism remains unclear. In this study, we firstly discovered an elevation of palmitic acid (PA) and a decrease of inhibin B in patients with severe dyszoospermia, which leaded us to explore the effects of PA on Sertoli cells. We observed a damage of BTB by PA. PA penetration to endoplasmic reticulum (ER) and its damage to ER structures were exhibited by microimaging and dynamic observation, and consequent ER stress was proved to mediate PA-induced Sertoli cell barrier disruption. Remarkably, we demonstrated a critical role of aberrant protein palmitoylation in PA-induced Sertoli cell barrier dysfunction. An ER protein, Calnexin, was screened out and was demonstrated to participate in this process, and suppression of its palmitoylation showed an ameliorating effect. We also found that ω-3 poly-unsaturated fatty acids down-regulated Calnexin palmitoylation, and alleviated BTB dysfunction. Our results indicate that dysregulated palmitoylation induced by PA plays a pivotal role in BTB disruption and subsequent spermatogenesis dysfunction, suggesting that protein palmitoylation might be therapeutically targetable in male infertility. An elevation of circulating PA was identified in patients with severe dyszoospermia. PA-induced over-palmitoylation in Sertoli cells leads to ER stress and BTB damage. The palmitoylation of the ER protein Calnexin regulates Sertoli cell barrier function. ω-3 PUFAs ameliorate PA-induced damage and over-palmitoylation in Sertoli cells.
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30
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Gao Y, Wang C, Wang K, He C, Hu K, Liang M. The effects and molecular mechanism of heat stress on spermatogenesis and the mitigation measures. Syst Biol Reprod Med 2022; 68:331-347. [PMID: 35722894 DOI: 10.1080/19396368.2022.2074325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Under normal conditions, to achieve optimal spermatogenesis, the temperature of the testes should be 2-6 °C lower than body temperature. Cryptorchidism is one of the common pathogenic factors of male infertility. The increase of testicular temperature in male cryptorchidism patients leads to the disorder of body regulation and balance, induces the oxidative stress response of germ cells, destroys the integrity of sperm DNA, yields morphologically abnormal sperm, and leads to excessive apoptosis of germ cells. These physiological changes in the body can reduce sperm fertility and lead to male infertility. This paper describes the factors causing testicular heat stress, including lifestyle and behavioral factors, occupational and environmental factors (external factors), and clinical factors caused by pathological conditions (internal factors). Studies have shown that wearing tight pants or an inappropriate posture when sitting for a long time in daily life, and an increase in ambient temperature caused by different seasons or in different areas, can cause an increase in testicular temperature, induces testicular oxidative stress response, and reduce male fertility. The occurrence of cryptorchidism causes pathological changes within the testis and sperm, such as increased germ cell apoptosis, DNA damage in sperm cells, changes in gene expression, increase in chromosome aneuploidy, and changes in Na+/K+-ATPase activity, etc. At the end of the article, we list some substances that can relieve oxidative stress in tissues, such as trigonelline, melatonin, R. apetalus, and angelica powder. These substances can protect testicular tissue and relieve the damage caused by excessive oxidative stress.
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Affiliation(s)
- Yuanyuan Gao
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
| | - Chen Wang
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
| | - Kaixian Wang
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
| | - Chaofan He
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
| | - Ke Hu
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
| | - Meng Liang
- School of Life Science, Bengbu Medical College, Bengbu, People's Republic of China
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31
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Duan P, Ha M, Huang X, Zhang P, Liu C. Intronic miR-140-5p contributes to beta-cypermethrin-mediated testosterone decline. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150517. [PMID: 34794910 DOI: 10.1016/j.scitotenv.2021.150517] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/16/2021] [Accepted: 09/18/2021] [Indexed: 05/23/2023]
Abstract
Beta-cypermethrin (β-CYP), a widely-used pyrethroid pesticide, is considered to have anti-androgenic effects and could impair male reproduction. To ascertain whether MAPK pathways, DNA methyltransferases (DNMTs), and miRNAs played pleiotropic roles in β-CYP-mediated testicular dysfunction, Sprague-Dawley rats and Leydig cells were employed in this study. Results showed that plasma testosterone levels were declined, testicular histomorphology and ultrastructures were abnormally altered, and Leydig cell functions were damaged after β-CYP exposure. JNK and p38/MAPK pathways were inactivated, accompanied by the decrease in c-Jun and Sp1 expressions. Specific activators/inhibitors of MAPK pathways and Co-IP demonstrated that DNMT3α was synergistically regulated by JNK/p38 pathways. The activity, mRNA and protein expressions of DNMT3α were all reduced by β-CYP. β-CYP induced expressions of intronic miR-140-5p and its host gene Wwp2, and then overexpressed miR-140-5p suppressed steroidogenic StAR, P450scc, and 3β-HSD by directly targeting SF-1. SF-1 silencing/overexpression, ChIP, and qPCR indicated that SF-1 modulated positively StAR, P450scc, and 3β-HSD expressions by directly binding to their promoter regions. Intriguingly, 5α-reductase expressions were downregulated after β-CYP exposure. Collectively, β-CYP has the anti-androgenic feature and the DNMT3α/miR-140-5p/SF-1 cascade co-regulated by JNK/p38 functions critically in β-CYP-caused testosterone declines. The downregulation of 5α-reductases may be a potential compensatory mechanism of the organism.
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Affiliation(s)
- Peng Duan
- Department of Obstetrics and Gynaecology, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, China
| | - Mei Ha
- School of Nursing, Chongqing Medical and Pharmaceutical College, Chongqing 400030, China
| | - Xu Huang
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing 400020, China
| | - Pei Zhang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Changjiang Liu
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing 400020, China.
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32
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Xiong X, Wu Q, Zhang L, Gao S, Li R, Han L, Fan M, Wang M, Liu L, Wang X, Zhang C, Xin Y, Li Z, Huang C, Yang J. Chronic stress inhibits testosterone synthesis in Leydig cells through mitochondrial damage via Atp5a1. J Cell Mol Med 2022; 26:354-363. [PMID: 34894202 PMCID: PMC8743653 DOI: 10.1111/jcmm.17085] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 10/19/2021] [Accepted: 11/11/2021] [Indexed: 11/29/2022] Open
Abstract
Stress is one of the leading causes of male infertility, but its exact function in testosterone synthesis has scarcely been reported. We found that adult male rats show a decrease in bodyweight, genital index and serum testosterone level after continual chronic stress for 21 days. Two-dimensional gel electrophoresis (2-DE) and MALDI-TOF-MS analysis identified 10 differentially expressed proteins in stressed rats compared with controls. A strong protein interaction network was found to be centred on Atp5a1 among these proteins. Atp5a1 expression significantly decreased in Leydig cells after chronic stress. Transfection of Atp5a1 siRNAs decreased StAR, CYP11A1, and 17β-HSD expression by damaging the structure of mitochondria in TM3 cells. This study confirmed that chronic stress plays an important role in testosterone synthesis by regulating Atp5a1 expression in Leydig cells.
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Affiliation(s)
- Xiaofan Xiong
- Western China Science and Technology Innovation Port in Precision Medicine InstituteThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Qiuhua Wu
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
- Center of Medical GeneticsNorthwest Women’s and Children’s HospitalXi’anChina
| | - Lingyu Zhang
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Shanfeng Gao
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Rufeng Li
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Lin Han
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
| | - Meiyang Fan
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Miaomiao Wang
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
| | - Liying Liu
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
| | - Xiaofei Wang
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
| | - Chunli Zhang
- Western China Science and Technology Innovation Port in Precision Medicine InstituteThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Yanlong Xin
- Western China Science and Technology Innovation Port in Precision Medicine InstituteThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Zongfang Li
- Western China Science and Technology Innovation Port in Precision Medicine InstituteThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Chen Huang
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
| | - Juan Yang
- Department of Cell Biology and Genetics, School of Basic Medical SciencesXi’an Jiaotong University Health Science CenterXi’anChina
- Key Laboratory of Environment and Genes Related to DiseasesMinistry of Education of China, Xi’an Jiaotong UniversityXi’anChina
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33
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Meenakshi M, Antojenifer P, Karthikeyan M, Prahalathan C, Srinivasan K. Synthesis and biological evaluation of new 1,
4‐benzothiazine
derivatives as potential
COX
‐2 inhibitors. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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34
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Al-Kuraishy HM, Al-Gareeb AI, Faidah H, Alexiou A, Batiha GES. Testosterone in COVID-19: An Adversary Bane or Comrade Boon. Front Cell Infect Microbiol 2021; 11:666987. [PMID: 34568081 PMCID: PMC8455954 DOI: 10.3389/fcimb.2021.666987] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 08/16/2021] [Indexed: 12/17/2022] Open
Abstract
COVID-19 is a pandemic disease caused by severe acute respiratory coronavirus 2 (SARS-CoV-2), which leads to pulmonary manifestations like acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). In addition, COVID-19 may cause extra-pulmonary manifestation such as testicular injury. Both high and low levels of testosterone could affect the severity of COVID-19. Herein, there is substantial controversy regarding the potential role of testosterone in SARS-CoV-2 infection and COVID-19 severity. Therefore, the present study aimed to review and elucidate the assorted view of preponderance regarding the beneficial and harmful effects of testosterone in COVID-19. A related literature search in PubMed, Scopus, Web of Science, Google Scholar, and Science Direct was done. All published articles related to the role of testosterone and COVID-19 were included in this mini-review. The beneficial effects of testosterone in COVID-19 are through inhibition of pro-inflammatory cytokines, augmentation of anti-inflammatory cytokines, modulation of the immune response, attenuation of oxidative stress, and endothelial dysfunction. However, its harmful effects in COVID-19 are due to augmentation of transmembrane protease serine 2 (TMPRSS2), which is essential for cleaving and activating SARS-CoV-2 spike protein during acute SARS-CoV-2 infection. Most published studies illustrated that low testosterone levels are linked to COVID-19 severity. A low testosterone level in COVID-19 is mainly due to testicular injury, the primary source of testosterone.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Baghdad, Iraq
| | - Ali I Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Baghdad, Iraq
| | - Hani Faidah
- Faculty of Medicine, Umm Al Qura University, Mecca, Saudi Arabia
| | - Athanasios Alexiou
- Department of Science and Engineering, Novel Global Community Educational Foundation, Hebersham, NSW, Australia.,AFNP Med Austria, Wien, Austria
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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35
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Gao L, Chen J, Li J, Cui AQ, Zhang WW, Li XL, Wang J, Zhang XY, Zhao Y, Chen YH, Zhang C, Wang H, Xu DX. Microcystin-LR inhibits testosterone synthesis via reactive oxygen species-mediated GCN2/eIF2α pathway in mouse testes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 781:146730. [PMID: 33798882 DOI: 10.1016/j.scitotenv.2021.146730] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/21/2021] [Accepted: 03/21/2021] [Indexed: 06/12/2023]
Abstract
Previous studies demonstrated that microcystin-leucine-arginine (MC-LR) disrupted testosterone (T) synthesis, but the underlying mechanisms are not entirely elucidated. This study aims to explore the role of reactive oxygen species (ROS)-mediated GCN2/eIF2α activation on MC-LR-induced disruption of testicular T synthesis. Male mice were intraperitoneally injected with MC-LR (0 or 20 μg/kg) daily for 5 weeks. Serum T was decreased in MC-LR-exposed mice (0.626 ± 0.122 vs 24.565 ± 8.486 ng/ml, P < 0.01), so did testicular T (0.667 ± 0.15 vs 8.317 ± 1.387 ng/mg protein, P < 0.01). Steroidogenic proteins including StAR, CYP11A1 and CYP17A1 were downregulated in MC-LR-exposed mouse testes and TM3 cells. Mechanistically, p-GCN2 and p-eIF2α were elevated in MC-LR-exposed TM3 cells. GCN2iB attenuated MC-LR-induced GCN2 and eIF2α phosphorylation in TM3 cells. Moreover, GCN2iB attenuated MC-LR-induced downregulation of steroidogenic proteins in TM3 cells. Further analysis found that cellular ROS were elevated and HO-1 was upregulated in MC-LR-exposed TM3 cells. PBN rescued MC-LR-induced activation of GCN2/eIF2α signaling in TM3 cells. Additionally, pretreatment with PBN attenuated MC-LR induced downregulation of steroidogenic proteins and synthases in TM3 cells. These results suggest that ROS-mediated GCN2/eIF2α activation contributes partially to MC-LR-caused downregulation of steroidogenic proteins and synthases. The present study provides a new clue for understanding the mechanism of MC-LR-induced endocrine disruption.
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Affiliation(s)
- Lan Gao
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China.
| | - Jing Chen
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Jian Li
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - An-Qi Cui
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Wei-Wei Zhang
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Xiu-Liang Li
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Jing Wang
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Xiao-Yi Zhang
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Ye Zhao
- Department of Nuclear Medicine, Anhui Medical University, Hefei 230032, China
| | - Yuan-Hua Chen
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Cheng Zhang
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China.
| | - De-Xiang Xu
- Department of Toxicology & Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China.
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36
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Ji Y, Lang X, Wang W, Li S, Zhao C, Shen X, Zhang T, Ye H. Lactobacillus paracasei ameliorates cognitive impairment in high-fat induced obese mice via insulin signaling and neuroinflammation pathways. Food Funct 2021; 12:8728-8737. [PMID: 34365497 DOI: 10.1039/d1fo01320c] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Long-term consumption of a high-fat diet (HFD) can cause glucose and lipid metabolism disorders, damage the brain and nervous system and result in cognitive impairment. The objective of this study was to investigate the preventative effects of Lactobacillus paracasei (Jlus66, a probiotic extracted from cheese in Northeast China) on cognitive impairment associated with HFD. The water maze was used to compare memory changes in mice fed HFD with or without Jlus66. Hippocampal tissue morphology was examined using H&E staining. The expression of neurotrophic factors BDNF, PSD95 and SNAP25, insulin resistance related proteins IRS-1, AKT and GSK3β, and inflammatory related proteins JNK and p38 were detected using western blotting. The results showed that Jlus66 significantly increased the expression of BDNF, PSD95 and SNAP25 (p < 0.01, respectively), increased expression of p-AKT (p < 0.05), p-IRS-1Y612 and p-GSK3β (p < 0.01, respectively), and reduced the expression of p-IRS-1S307, p-JNK and p-p38 (p < 0.05) compared with the HFD group. We conclude that Jlus66 can ameliorate cognitive impairment via insulin signaling and neuroinflammation pathways.
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Affiliation(s)
- Yaoyao Ji
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Xinsong Lang
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Wei Wang
- College of Food Science and Engineering, Jilin University, Changchun, China. and Jilin Provincial People's Hospital, Changchun, China
| | - Shengnan Li
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Changhui Zhao
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Xue Shen
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Tiehua Zhang
- College of Food Science and Engineering, Jilin University, Changchun, China.
| | - Haiqing Ye
- College of Food Science and Engineering, Jilin University, Changchun, China.
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Yu J, Li S, Wang L, Dong Z, Si L, Bao L, Wu L. Pathogenesis of Brucella epididymoorchitis-game of Brucella death. Crit Rev Microbiol 2021; 48:96-120. [PMID: 34214000 DOI: 10.1080/1040841x.2021.1944055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Brucellosis is a worldwide zoonotic disease caused by Brucella spp. Human infection often results from direct contact with tissues from infected animals or by consumption of undercooked meat and unpasteurised dairy products, causing serious economic losses and public health problems. The male genitourinary system is a common involved system in patients with brucellosis. Among them, unilateral orchitis and epididymitis are the most common. Although the clinical and imaging aspect of orchi-epididymitis caused by brucellosis have been widely described, the cellular and molecular mechanisms involved in the damage and the immune response in testis and epididymis have not been fully elucidated. In this review, we first summarised the clinical characteristics of Brucella epididymo-orchitis and the composition of testicular and epididymal immune system. Secondly, with regard to the mechanism of Brucella epididymoorchitis, we mainly discussed the process of Brucella invading testis and epididymis in temporal and spatial order, including i) Brucella evades innate immune recognition of testicular PRRs;ii) Brucella overcomes the immune storm triggered by the invasion of testis through bacterial lipoproteins and virulence factors, and changes the secretion mode of cytokines; iii) Brucella breaks through the blood-testis barrier with the help of macrophages, and inflammatory cytokines promote the oxidative stress of Sertoli cells, damaging the integrity of BTB; iv) Brucella inhibits apoptosis of testicular phagocytes. Finally, we revealed the structure and sequence of testis invaded by Brucella at the tissue level. This review will enable us to better understand the pathogenesis of orchi-epididymitis caused by brucellosis and shed light on the development of new treatment strategies for the treatment of brucellosis and the prevention of transition to chronic form. Facing the testicle with immunity privilege, Brucella is like Bruce Lee in the movie Game of Death, winning is survival while losing is death.HIGHLIGHTSWe summarized the clinical features and pathological changes of Brucellaepididymoorchitis.Our research reveals the pathogenesis of Brucella epididymoorchitis, which mainly includes the subversion of testicular immune privilege by Brucella and a series of destructive reactions derived from it.As a basic framework and valuable resource, this study can promote the exploration of the pathogenesis of Brucella and provide reference for determining new therapeutic targets for brucellosis in the future.
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Affiliation(s)
- Jiuwang Yu
- Mongolian Medicine School, Inner Mongolia Medical University, Hohhot, China
| | - Sha Li
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Lu Wang
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Zhiheng Dong
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Lengge Si
- Mongolian Medicine School, Inner Mongolia Medical University, Hohhot, China
| | - Lidao Bao
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Lan Wu
- Mongolian Medicine School, Inner Mongolia Medical University, Hohhot, China
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Ji Y, Lang X, Wang W, Li S, Zhao C, Shen X, Zhang T, Ye H. Lactobacillus paracasei ameliorates cognitive impairment in high-fat induced obese mice via insulin signaling and neuroinflammation pathways. Food Funct 2021. [DOI: 10.1039/d1fo01320c 10.1039/d1fo01320c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Long-term consumption of a high-fat diet (HFD) can cause glucose and lipid metabolism disorders, damage the brain and nervous system and result in cognitive impairment.
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Affiliation(s)
- Yaoyao Ji
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Xinsong Lang
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Wei Wang
- College of Food Science and Engineering, Jilin University, Changchun, China
- Jilin Provincial People's Hospital, Changchun, China
| | - Shengnan Li
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Changhui Zhao
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Xue Shen
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Tiehua Zhang
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Haiqing Ye
- College of Food Science and Engineering, Jilin University, Changchun, China
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SET8 suppression mediates high glucose-induced vascular endothelial inflammation via the upregulation of PTEN. Exp Mol Med 2020; 52:1715-1729. [PMID: 33028948 PMCID: PMC8080680 DOI: 10.1038/s12276-020-00509-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 07/27/2020] [Accepted: 08/10/2020] [Indexed: 11/19/2022] Open
Abstract
Hyperglycemia-mediated endothelial inflammation participates in the pathogenesis of cardiovascular complications in subjects with diabetes. Previous studies reported that phosphatase and tensin homolog deleted on chromosome ten (PTEN) and SET8 participate in high glucose-mediated endothelial inflammation. In this study, we hypothesize that SET8 regulates PTEN expression, thus contributing to high glucose-mediated vascular endothelial inflammation. Our data indicated that plasma soluble intercellular adhesion molecule-1 (sICAM-1) and endothelial selectin (e-selectin) were increased in patients with diabetes and diabetic rats. PTEN expression was augmented in the peripheral blood mononuclear cells of patients with diabetes and in the aortic tissues of diabetic rats. Our in vitro study indicated that high glucose increased monocyte/endothelial adhesion, endothelial adhesion molecule expression and p65 phosphorylation in human umbilical vein endothelial cells (HUVECs). Moreover, high glucose led to endothelial inflammation via upregulation of PTEN. Furthermore, high glucose inhibited SET8 expression and histone H4 lysine 20 methylation (H4K20me1), a downstream target of SET8. SET8 overexpression reversed the effects of high-glucose treatment. shSET8-mediated endothelial inflammation was counteracted by siPTEN. Furthermore, SET8 was found to interact with FOXO1. siFOXO1 attenuated high glucose-mediated endothelial inflammation. FOXO1 overexpression-mediated endothelial inflammation was counteracted by siPTEN. H4K20me1 and FOXO1 were enriched in the PTEN promoter region. shSET8 increased PTEN promoter activity and augmented the positive effect of FOXO1 overexpression on PTEN promoter activity. Our in vivo study indicated that SET8 was downregulated and FOXO1 was upregulated in the peripheral blood mononuclear cells of patients with diabetes and the aortic tissues of diabetic rats. In conclusion, SET8 interacted with FOXO1 to modulate PTEN expression in vascular endothelial cells, thus contributing to hyperglycemia-mediated endothelial inflammation. High glucose levels in patients with diabetes trigger vascular inflammation by affecting the expression of key proteins in blood vessel linings. Elevated glucose causes inflammation of the endothelium, a thin layer of cells that lines blood and lymph vessels, leading to cardiovascular complications. The phosphatase and tensin homolog protein (PTEN) contributes to endothelial inflammation, but the precise mechanisms are unclear. Xuefang Shen at Fudan University in Shanghai, China, and co-workers demonstrated that elevated glucose increases PTEN expression, with increased levels of the protein found in peripheral blood cells of diabetic patients and aortic tissues of diabetic rats. In further experiments on rats, the researchers found that glucose also suppressed another protein called SET8, which contributed to increased PTEN levels. This suggests that SET8 is involved in PTEN modulation, and that both proteins influence vascular inflammation.
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