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Huang R, Chen J, Guo B, Jiang C, Sun W. Diabetes-induced male infertility: potential mechanisms and treatment options. Mol Med 2024; 30:11. [PMID: 38225568 PMCID: PMC10790413 DOI: 10.1186/s10020-023-00771-x] [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: 08/12/2023] [Accepted: 12/14/2023] [Indexed: 01/17/2024] Open
Abstract
Male infertility is a physiological phenomenon in which a man is unable to impregnate a fertile woman during a 12-month period of continuous, unprotected sexual intercourse. A growing body of clinical and epidemiological evidence indicates that the increasing incidence of male reproductive problems, especially infertility, shows a very similar trend to the incidence of diabetes within the same age range. In addition, a large number of previous in vivo and in vitro experiments have also suggested that the complex pathophysiological changes caused by diabetes may induce male infertility in multiple aspects, including hypothalamic-pituitary-gonadal axis dysfunction, spermatogenesis and maturation disorders, testicular interstitial cell damage erectile dysfunction. Based on the above related mechanisms, a large number of studies have focused on the potential therapeutic association between diabetes progression and infertility in patients with diabetes and infertility, providing important clues for the treatment of this population. In this paper, we summarized the research results of the effects of diabetes on male reproductive function in recent 5 years, elaborated the potential pathophysiological mechanisms of male infertility induced by diabetes, and reviewed and prospected the therapeutic measures.
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Affiliation(s)
- Runchun Huang
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China, 730000
| | - Jiawang Chen
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China, 730000
| | - Buyu Guo
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China, 730000
| | - Chenjun Jiang
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China, 730000
| | - Weiming Sun
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China, 730000.
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China.
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2
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Zhang Y, Xie J, Ouyang Y, Li S, Sun Y, Tan W, Ren L, Zhou X. Adverse outcome pathways of PBDEs inducing male reproductive toxicity. ENVIRONMENTAL RESEARCH 2024; 240:117598. [PMID: 37939807 DOI: 10.1016/j.envres.2023.117598] [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: 09/20/2023] [Revised: 10/20/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) are widely used brominated flame retardants, they are easily released into environment and causing adverse effects to the ecosystem and human health. This review aims to summarize the research status of PBDEs-induced male reproductive toxicity and its mechanisms at various levels such as molecular/cellular, tissue/organ and individual/population. The Adverse Outcome Pathways (AOPs) diagram showed that PBDEs-induced reactive oxygen species (ROS) production, disruptions of estrogen receptor-α (ERα) and antagonism of androgen receptor (AR) were defined as critical molecular initiating events (MIEs). They caused key events (KEs) at the molecular and cellular levels, including oxidative stress, increased DNA damage, damaging mitochondria, increased glycolipid levels and apoptosis, depletion of ectoplasmic specialization and decreased Leydig cells numbers. These in turn lead to followed KEs at the tissue or organ levels, such as the impaired spermatogenesis, impaired blood-testis barrier and reduced testosterone synthesis and function. As a result, reproductive system-related adverse outcomes (AOs) were reported, such as the decreased sperm quantity or quality, shorten male anogenital distance and cryptorchidism in individual and reduced reproduction of the population. This review assembled information on the mechanisms of male reproductive toxicity induced by PBDEs, and constructed a causal mechanism relationship diagram from different levels using the an AOP framework to provide theoretical basis for ecological risk assessment and environmental management of PBDEs. The AOP framework makes it possible to develop risk management strategies based on toxicity mechanisms and support for development of Integrated Approach to Testing and Assessment (IATA) which are available for regulatory purposes.
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Affiliation(s)
- Yue Zhang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Junhong Xie
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Yixin Ouyang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Shuang Li
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Yulin Sun
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Weilun Tan
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Lihua Ren
- School of Nursing, Peking University, Beijing, 100191, China
| | - Xianqing Zhou
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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Soetan OA, Ajao FO, Ajayi AF. Erythritol attenuates testicular dysfunction in diabetic rat via suppression of oxidative stress, inflammation and apoptosis. Biochem Biophys Res Commun 2024; 690:149254. [PMID: 37988877 DOI: 10.1016/j.bbrc.2023.149254] [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: 09/08/2023] [Revised: 11/04/2023] [Accepted: 11/14/2023] [Indexed: 11/23/2023]
Abstract
Hyperglycemia -induced oxidative stress and inflammation have been closely associated with diabetes complications including testicular dysfunction. Conversely, reducing blood glucose and/or use of antioxidant have been associated with reduced diabetes complications. The present study investigated the effect of erythritol (which has both antioxidant and blood glucose lowering function) on diabetes -induced testicular dysfunction in rats. Thirty male Wistar rats (170-200g) were randomly divided into 5 groups: 1) control; 2) erythritol; 3) diabetic; 4) diabetic + erythritol 1000 mg/kg; and 5) diabetic + metformin 300 mg/kg. After 8 weeks of treatment period, blood sample, testes and epididymis were collected for reproductive hormones, biochemical and histological examinations, and sperm analysis respectively. There was a significant (p < 0.05) decrease in sperm count, sperm motility, sperm morphology and serum reproductive hormones (Follicle stimulating hormone (FSH), Leutinizing hormone (LH), testosterone and gonadotropin releasing hormone (GnRH)) of diabetes rat compared to control. Also, diabetes rat showed increase in sperm and testicular malonaldehyde (MDA) and decrease in sperm and testicular superoxide dismutase (SOD) activity and glutathione (GSH) level. Further, diabetes rat showed reduced testicular weight, decreased testicular 17β-HSD and 3β-HSD activity and testicular histo-architectural alteration which were accompanied by decrease testicular vascular endothelial growth factor (VEGF) and concomitant increase in testicular myeloperoxidase activity and level of caspase 3. The present results indicates that induction of diabetes in rat causes reduction in the level of reproductive hormones (Testosterone, LH and FSH) as well as sperm and testicular oxidative stress causing abnormal sperm parameters, and biochemical and histo-architectural alterations in the testes of rats. In addition, the present results suggest that erythritol administration reduced blood glucose and ameliorated hyperglycemia -induced oxidative stress -mediated alterations in both sperm and testes of diabetes rat. Further, the present study suggests that erythritol improved testicular oxidative stress, inflammation and apoptosis by up-regulating VEGF.
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Affiliation(s)
- O A Soetan
- Reproduction and Bioinformatics Research Unit, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria; Department of Physiology, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria; Department of Physiology, Faculty of Basic Medical Sciences, Thomas Adewumi University, Oko, Kwara State, Nigeria
| | - F O Ajao
- Reproduction and Bioinformatics Research Unit, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria; Department of Physiology, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria
| | - A F Ajayi
- Reproduction and Bioinformatics Research Unit, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria; Department of Physiology, Ladoke Akintola University of Technology, Ogbomosho, Oyo, Nigeria; Anchor Biomed Research Institute, Ogbomoso, Oyo State, Nigeria.
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Sarkar D, Midha P, Shanti SS, Singh SK. A comprehensive review on the decabromodiphenyl ether (BDE-209)-induced male reproductive toxicity: Evidences from rodent studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165938. [PMID: 37541514 DOI: 10.1016/j.scitotenv.2023.165938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/23/2023] [Accepted: 07/29/2023] [Indexed: 08/06/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs), a class of brominated flame retardants (BFRs), are employed in various manufactured products to prevent fires, slow down their spread and reduce the resulting damages. Decabromodiphenyl ether (BDE-209), an example of PBDEs, accounts for approximately 82 % of the total production of PBDEs. BDE-209 is a thyroid hormone (TH)-disrupting chemical owing to its structural similarity with TH. Currently, increase in the level of BDE-209 in biological samples has become a major issue because of its widespread use. BDE-209 causes male reproductive toxicity mainly via impairment of steroidogenesis, generation of oxidative stress (OS) and interference with germ cell dynamics. Further, exposure to this chemical can affect metabolic status, sperm concentration, epigenetic regulation of various developmental genes and integrity of blood-testis barrier in murine testis. However, the possible adverse effects of BDE-209 and its mechanism of action on the male reproductive health have not yet been critically evaluated. Hence, the present review article, with the help of available literature, aims to elucidate the reproductive toxicity of BDE-209 in relation to thyroid dysfunction in rodents. Further, several crucial pathways have been also highlighted in order to strengthen our knowledge on BDE-209-induced male reproductive toxicity. Data were extracted from scientific articles available in PubMed, Web of Science, and other databases. A thorough understanding of the risk assessment of BDE-209 exposure and mechanisms of its action is crucial for greater awareness of the potential threat of this BFR to preserve male fertility.
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Affiliation(s)
- Debarshi Sarkar
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Parul Midha
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Shashanka Sekhar Shanti
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Shio Kumar Singh
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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5
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Xue J, Li X, Liu J, Zhang Y, Sang Y, Zhou G, Ren L, Jing L, Shi Z, Wei J, Zhou X. Decabromodiphenyl ethane induces male reproductive toxicity by glycolipid metabolism imbalance and meiotic failure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 246:114165. [PMID: 36228355 DOI: 10.1016/j.ecoenv.2022.114165] [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: 07/29/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Decabromodiphenyl ethane (DBDPE) is a typical flame retardant found in various electrical and textile items. DBDPE is abundantly available in the surrounding environment and wild animals based on its persistence and bioaccumulation. DBDPE has been shown to cause apoptosis in rat spermatogenic cells, resulting in reproductive toxicity. However, the toxicity of DBDPE on the male reproductive system and the potential mechanisms are still unclear. This study evaluated the effect of DBDPE on the reproductive system in male SD rats and demonstrated the potential mechanisms of reproductive toxicity. DBDPE (0, 5, 50, and 500 mg/kg/day) was administered via gavage to male SD rats for 28 days. DBDPE caused histopathological changes in the testis, reduced sperm quantity and motility, and raised the malformation rate in rats, according to the findings. Furthermore, it caused DNA damage to rat testicular cells. It inhibited the expressions of spermatogenesis-and oogenesis-specific helix-loop-helix transcription factor 1 (Sohlh1), piwi-like RNA-mediated gene silencing 2 (MILI), cyclin-dependent kinase 2 (CDK2), and CyclinA, resulting in meiotic failure, as well as the expressions of synaptonemal complex proteins 1 and 3 (SYCP1 and SYCP3), leading to chromosomal association disorder in meiosis and spermatocyte cycle arrest. Moreover, DBDPE induced glycolipid metabolism disorder and activated mitochondria-mediated apoptosis pathways in the testes of SD rats. The quantity and quality of sperm might be declining due to these factors. Our findings offer further evidence of the harmful impact of DBDPE on the male reproductive system.
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Affiliation(s)
- Jinglong Xue
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Xiangyang Li
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Jianhui Liu
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Yue Zhang
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Yujian Sang
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Guiqing Zhou
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Lihua Ren
- School of Nursing, Peking University, Beijing 100191, China
| | - Li Jing
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Zhixiong Shi
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Jialiu Wei
- Key Laboratory of Cardiovascular Epidemiology & Department of Epidemiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China.
| | - Xianqing Zhou
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
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6
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Ma D, Hu L, Wang J, Luo M, Liang A, Lei X, Liao B, Li M, Xie M, Li H, Gong Y, Zi D, Li X, Chen X, Liao X. Nicotinamide mononucleotide improves spermatogenic function in streptozotocin-induced diabetic mice via modulating the glycolysis pathway. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1314-1324. [PMID: 35929593 PMCID: PMC9828322 DOI: 10.3724/abbs.2022099] [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] [Indexed: 12/29/2022] Open
Abstract
Spermatogenic dysfunction is one of the major secondary complications of diabetes; however, the underlying mechanisms remain ill-defined, and there is no available drug or strategy for the radical treatment of diabetic spermatogenic dysfunction. Therefore, the objective of this study is to investigate the protective effects of nicotinamide mononucleotide (NMN) on testicular spermatogenic function in streptozotocin (STZ)-induced diabetic mice. The results show that oral administration of NMN significantly increases the body and testis weight and the number of sperms. Moreover, the abnormal sperm count and the rate of sperm malformation are significantly decreased compared with the saline-treated diabetic mice. Histological analysis reveals that NMN treatment significantly increases the area and diameter of seminiferous tubules, accompanied by an increased number of spermatogenic cells and sperms. Immunohistochemistry and qRT-PCR results show that NMN increases Bcl-2 expression and decreases Bax expression in the testis. NMN also increases the protein expression of Vimentin and the mRNA expressions of WT1 and GATA4. In addition, qRT-PCR, western blot analysis and immunohistochemistry results also show that NMN increases the expressions of glycolysis-related rate-limiting enzymes including HK2, PKM2, and LDHA. In summary, this study demonstrates the protective effects of NMN on the testis in an STZ-induced diabetic mice model. NMN exerts its protective effects via reducing spermatogenic cell apoptosis by regulating glycolysis of Sertoli cells in diabetic mice. This study provides an experimental basis for the future clinical application of NMN in diabetes-induced spermatogenic dysfunction.
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Affiliation(s)
- Duo Ma
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Linlin Hu
- Reproductive Medicine CenterThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaise533000China
| | - Jinyuan Wang
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Min Luo
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Aihong Liang
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Xiaocan Lei
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Biyun Liao
- Reproductive Medicine CenterThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaise533000China
| | - Meixiang Li
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Ming Xie
- Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Haicheng Li
- Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Yiwei Gong
- Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Dan Zi
- Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China
| | - Xiangrun Li
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Correspondence address. Tel: +86-13973593250; E-mail: (X.L.) / Tel: +86-13973403619; E-mail: (X.C.) / Tel: +86-13807398512; E-mail: (X.L.) @
| | - Xi Chen
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Institute of Clinical Anatomy & Reproductive MedicineHengyang Medical SchoolUniversity of South ChinaHengyang421001China,Correspondence address. Tel: +86-13973593250; E-mail: (X.L.) / Tel: +86-13973403619; E-mail: (X.C.) / Tel: +86-13807398512; E-mail: (X.L.) @
| | - Xucai Liao
- Hunan Province Collaborative Innovation Base of Endocrinology & Metabolism Science and Education for PostgraduatesThe First Affiliated Hospital of Shaoyang University and Hengyang Medical SchoolUniversity of South ChinaHengyang422000China,Correspondence address. Tel: +86-13973593250; E-mail: (X.L.) / Tel: +86-13973403619; E-mail: (X.C.) / Tel: +86-13807398512; E-mail: (X.L.) @
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7
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Wang JY, Ma D, Luo M, Tan YP, Tian G, Lv YT, Li MX, Chen X, Tang ZH, Hu LL, Lei XC. Effect of spermidine on ameliorating spermatogenic disorders in diabetic mice via regulating glycolysis pathway. Reprod Biol Endocrinol 2022; 20:45. [PMID: 35255928 PMCID: PMC8900360 DOI: 10.1186/s12958-022-00890-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 01/12/2022] [Indexed: 12/30/2022] Open
Abstract
Diabetes mellitus (DM), a high incidence metabolic disease, is related to the impairment of male spermatogenic function. Spermidine (SPM), one of the biogenic amines, was identified from human seminal plasma and believed to have multiple pharmacological functions. However, there exists little evidence that reported SPM's effects on moderating diabetic male spermatogenic function. Thus, the objective of this study was to investigate the SPM's protective effects on testicular spermatogenic function in streptozotocin (STZ)-induced type 1 diabetic mice. Therefore, 40 mature male C57BL/6 J mice were divided into four main groups: the control group (n = 10), the diabetic group (n = 10), the 2.5 mg/kg SPM-treated diabetic group (n = 10) and the 5 mg/kg SPM-treated diabetic group (n = 10), which was given intraperitoneally for 8 weeks. The type 1 diabetic mice model was established by a single intraperitoneal injection of STZ 120 mg/kg. The results showed that, compare to the control group, the body and testis weight, as well the number of sperm were decreased, while the rate of sperm malformation was significantly increased in STZ-induced diabetic mice. Then the testicular morphology was observed, which showed that seminiferous tubule of testis were arranged in mess, the area and diameter of which was decreased, along with downregulated anti-apoptotic factor (Bcl-2) expression, and upregulated pro-apoptotic factor (Bax) expression in the testes. Furthermore, testicular genetic expression levels of Sertoli cells (SCs) markers (WT1, GATA4 and Vimentin) detected that the pathological changes aggravated observably, such as the severity of tubule degeneration increased. Compared to the saline-treated DM mice, SPM treatment markedly improved testicular function, with an increment in the body and testis weight as well as sperm count. Pro-apoptotic factor (Bax) was down-regulated expression with the up-regulated expression of Bcl-2 and suppression of apoptosis in the testes. What's more, expression of WT1, GATA4, Vimentin and the expressions of glycolytic rate-limiting enzyme genes (HK2, PKM2, LDHA) in diabetic testes were also upregulated by SPM supplement. The evidence derived from this study indicated that the SMP's positive effect on moderating spermatogenic disorder in T1DM mice's testis. This positive effect is delivered via promoting spermatogenic cell proliferation and participating in the glycolytic pathway's activation.
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Affiliation(s)
- Jin-Yuan Wang
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Duo Ma
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Min Luo
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Yong-Peng Tan
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Ge Tian
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Yong-Ting Lv
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Mei-Xiang Li
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Xi Chen
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Zhi-Han Tang
- grid.412017.10000 0001 0266 8918Postdoctoral Station for Basic Medicine, Hengyang Medical College, University of South China, Hengyang, 421001 Hunan China
| | - Lin-Lin Hu
- grid.460081.bChina Reproductive Medicine Center, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000 Guangxi China
| | - Xiao-Can Lei
- grid.412017.10000 0001 0266 8918Clinical Anatomy & Reproductive Medicine Application Institute, Heng Yang Medical College, University of South China, Hengyang, 421001 Hunan China
- grid.412017.10000 0001 0266 8918Postdoctoral Station for Basic Medicine, Hengyang Medical College, University of South China, Hengyang, 421001 Hunan China
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8
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Zhang Y, Li X, Jing L, Zhou G, Sang Y, Gao L, Jiang S, Shi Z, Ge W, Sun Z, Zhou X. Decabromodiphenyl ether induces male reproductive toxicity by activating mitochondrial apoptotic pathway through glycolipid metabolism dysbiosis. CHEMOSPHERE 2021; 285:131512. [PMID: 34710963 DOI: 10.1016/j.chemosphere.2021.131512] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/21/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Decabromodiphenyl ether (BDE-209), an extensively used flame retardant, exists widely in the environment. Although male reproductive toxicity induced by BDE-209 has been reported, its mechanisms remain unclear. To explore the role of glycolipid metabolism in male reproductive toxicity and the potential mechanisms, forty male SD rats were divided into four groups and given gavage with BDE-209 at 0, 5, 50, and 500 mg/kg/d for 28 days. In vitro, the spermatogenic cell lines GC-2spd cells were divided into four groups: the control group, 32 μg/mL BDE-209 group, 32 μg/mL BDE-209 + 0.4 μM Fatostatin (the inhibitor of SREBP-1) group, and 0.4 μM Fatostatin group. Our results showed that BDE-209 decreased sperm quality and quantity, which was correlated with glycolipid metabolism dysbiosis of testis. The levels of glucose, triglyceride, and total cholesterol were negatively correlated with sperm concentration, and triglyceride and total cholesterol levels were negatively correlated with sperm motility, while positively correlated with the sperm malformation rate. Moreover, BDE-209 exposure activated the glycolipid metabolism pathways (PPARγ/RXRα/SCAP/SREBP-1) and mitochondrial apoptotic pathway, thereby inducing the apoptosis of spermatogenic cells. In vitro, BDE-209 caused triglyceride and total cholesterol disorder and apoptosis of GC-2spd cells, the lipid metabolism pathways inhibitor fatostain downregulated the elevation of triglyceride and total cholesterol concentrations, and suppressed apoptosis and the activation of the mitochondrial apoptotic pathway in GC-2spd cells caused by BDE-209. Our results indicated that BDE-209 induced male reproductive toxicity by causing glycolipid metabolism dysbiosis of testis resulting in activating of the mitochondrial apoptotic pathway in spermatogenic cells. The study provides new insight into the mechanisms of male reproductive toxicity caused by BDE-209.
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Affiliation(s)
- Yue Zhang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Xiangyang Li
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Li Jing
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Guiqing Zhou
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Yujian Sang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Leqiang Gao
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Shuqin Jiang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
| | - Zhixiong Shi
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Wei Ge
- Centre of Reproduction, Development and Aging (CRDA), Faculty of Health Sciences, University of Macau, Taipa, Macau, 999078, China
| | - Zhiwei Sun
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Xianqing Zhou
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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9
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Alfaiate MI, António Santos R, Silva AF, Sousa AP, Almeida-Santos T, Gendron C, Jabbour V, Mas Y, Verriere F, Ramalho-Santos J, Tavares RS. Comparative in vitro study on the local tolerance and efficacy of benzalkonium chloride, myristalkonium chloride and nonoxynol-9 as active principles in vaginal contraceptives. EUR J CONTRACEP REPR 2021; 26:334-342. [PMID: 33821738 DOI: 10.1080/13625187.2021.1900563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Spermicides have been identified as a potentially attractive alternative to hormonal contraceptives and/or intrauterine devices. Thus, this study aimed evaluating the efficacy and local tolerance of benzalkonium chloride (BKC) and myristalkonium chloride (MKC) contained in Pharmatex® vaginal formulations and compare them with nonoxynol-9 (N-9), the most common active ingredient in topical vaginal contraceptives. METHODS Human normozoospermic samples were assessed for motility, viability, acrosome status and penetration ability after exposure to control, N-9 or different BKC and MKC doses for 0 and 10 minutes. Local tolerance on HeLa cells was evaluated by the Trypan-blue and MTT assays. RESULTS Exposure to BKC and MKC reduced acrosome integrity while promoting total immobilisation and complete loss of sperm viability (p < .001, n = 15). Both compounds also compromised sperm penetration ability upon exposure (p < .001, n = 15). N-9 induced the same outcomes (p < .001, n = 15); nevertheless, it was more toxic to HeLa cells than BKC and MKC (p < .05, n = 14). CONCLUSIONS BKC and MKC present strong in vitro spermicidal activity at lower doses than N-9 and were better tolerated after immediate exposure than N-9. Available Pharmatex® galenic formulations were as effective as products based on N-9.
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Affiliation(s)
- Maria Inês Alfaiate
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal
| | - Rita António Santos
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal
| | - Andreia Filipa Silva
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal.,University of Coimbra, IIIUC, Casa Costa Alemão, Coimbra, Portugal
| | - Ana Paula Sousa
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal.,Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Teresa Almeida-Santos
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | | | | | - Yana Mas
- Laboratoire Innotech International, Arcueil, France
| | | | - João Ramalho-Santos
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal.,Department of Life Sciences, Calçada Martim de Freitas, University of Coimbra, Coimbra, Portugal
| | - Renata Santos Tavares
- Biology of Reproduction and Stem Cells Group, CNC- Center for Neuroscience and Cell Biology, CIBB, Polo III, Azinhaga Santa Comba, University of Coimbra, Coimbra, Portugal.,University of Coimbra, IIIUC, Casa Costa Alemão, Coimbra, Portugal
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10
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Jiang Q, Maresch CC, Petry SF, Paradowska-Dogan A, Bhushan S, Chang Y, Wrenzycki C, Schuppe HC, Houska P, Hartmann MF, Wudy SA, Shi L, Linn T. Elevated CCL2 causes Leydig cell malfunction in metabolic syndrome. JCI Insight 2020; 5:134882. [PMID: 33148888 PMCID: PMC7710294 DOI: 10.1172/jci.insight.134882] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 09/30/2020] [Indexed: 01/22/2023] Open
Abstract
Metabolic syndrome (MetS), which is associated with chronic inflammation, predisposes males to hypogonadism and subfertility. The underlying mechanism of these pathologies remains poorly understood. Homozygous leptin-resistant obese db/db mice are characterized by small testes, low testicular testosterone, and a reduced number of Leydig cells. Here we report that IL-1β, CCL2 (also known as MCP-1), and corticosterone concentrations were increased in the testes of db/db mice relative to those in WT controls. Cultured murine and human Leydig cells responded to cytokine stress with increased CCL2 release and apoptotic signals. Chemical inhibition of CCL2 rescued Leydig cell function in vitro and in db/db mice. Consistently, we found that Ccl2-deficient mice fed with a high-energy diet were protected from testicular dysfunction compared with similarly fed WT mice. Finally, a cohort of infertile men with a history of MetS showed that reduction of CCL2 plasma levels could be achieved by weight loss and was clearly associated with recovery from hypogonadism. Taken together, we conclude that CCL2-mediated chronic inflammation is, to a large extent, responsible for the subfertility in MetS by causing damage to Leydig cells. MCP-1/CCL2 upregulation associates with metabolic syndrome–induced male subfertility in both mice and men.
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Affiliation(s)
- Qingkui Jiang
- Clinical Research Unit, Centre of Internal Medicine, Justus-Liebig-University (JLU), Giessen, Germany
| | - Constanze C Maresch
- Clinical Research Unit, Centre of Internal Medicine, Justus-Liebig-University (JLU), Giessen, Germany
| | - Sebastian Friedrich Petry
- Clinical Research Unit, Centre of Internal Medicine, Justus-Liebig-University (JLU), Giessen, Germany
| | - Agnieszka Paradowska-Dogan
- Department of Gynecological Endocrinology and Reproductive Medicine, University Clinic Bonn, Bonn, Germany
| | - Sudhanshu Bhushan
- Institute of Anatomy and Cell Biology, Department of Reproductive Biology, JLU, Giessen, Germany
| | - Yongsheng Chang
- Tianjin Key Laboratory of Cellular and Molecular Immunology, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Department of Physiology and Pathophysiology, Tianjin Medical University, Tianjin, China
| | - Christine Wrenzycki
- Department of Molecular Reproductive Medicine, Clinic for Veterinary Obstetrics, Gynecology and Andrology, and
| | | | - Petr Houska
- Clinical Research Unit, Centre of Internal Medicine, Justus-Liebig-University (JLU), Giessen, Germany.,ANOVA, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Michaela F Hartmann
- Steroid Research and Mass Spectrometry Unit, Division of Pediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, JLU, Giessen, Germany
| | - Stefan A Wudy
- Steroid Research and Mass Spectrometry Unit, Division of Pediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, JLU, Giessen, Germany
| | - Lanbo Shi
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Rutgers, The State University of New Jersey, Newark, New Jersey, USA
| | - Thomas Linn
- Clinical Research Unit, Centre of Internal Medicine, Justus-Liebig-University (JLU), Giessen, Germany
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11
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Noh S, Go A, Kim DB, Park M, Jeon HW, Kim B. Role of Antioxidant Natural Products in Management of Infertility: A Review of Their Medicinal Potential. Antioxidants (Basel) 2020; 9:E957. [PMID: 33036328 PMCID: PMC7600260 DOI: 10.3390/antiox9100957] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/18/2020] [Accepted: 09/25/2020] [Indexed: 02/06/2023] Open
Abstract
Infertility, a couple's inability to conceive after one year of unprotected regular intercourse, is an important issue in the world. The use of natural products in the treatment of infertility has been considered as a possible alternative to conventional therapies. The present study aimed to investigate the effects and the mechanisms of various natural products on infertility. We collected articles regarding infertility and natural products using the research databases PubMed and Google Scholar. Several natural products possess antioxidant properties and androgenic activities on productive factors and hormones. Antioxidants are the first defense barrier against free radicals produced by oxidative stress (OS). They remove reactive oxygen stress (ROS), reducing insulin resistance, total cholesterol, fat accumulation, and cancer growth. Moreover, various natural products increase endometrial receptivity and fertility ability showing androgenic activities on productive factors and hormones. For example, Angelica keiskei powder and Astragalus mongholicus extract showed anti-infertility efficacies in males and females, respectively. On the other hand, adverse effects and acute toxicity of natural products were also reported. Tripterygium glycoside decreased fertility ability both in males and females. Results indicate that management of infertility with natural products could be beneficial with further clinical trials to evaluate the safety and effect.
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Affiliation(s)
- Seungjin Noh
- College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea; (S.N.); (A.G.); (D.B.K.); (M.P.)
| | - Ara Go
- College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea; (S.N.); (A.G.); (D.B.K.); (M.P.)
| | - Da Bin Kim
- College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea; (S.N.); (A.G.); (D.B.K.); (M.P.)
| | - Minjeong Park
- College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea; (S.N.); (A.G.); (D.B.K.); (M.P.)
| | - Hee Won Jeon
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea;
| | - Bonglee Kim
- College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea; (S.N.); (A.G.); (D.B.K.); (M.P.)
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea;
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Hoegi-dong Dongdaemun-gu, Seoul 05253, Korea
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12
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Manirafasha C, Rebecca Oyenihi O, Lisa Brooks N, S. du Plessis S, Guillaume Aboua Y. Potential Antioxidative Effects of Kolaviron on Reproductive Function in Streptozotocin-Induced Diabetic Wistar Rats. Antioxidants (Basel) 2019. [DOI: 10.5772/intechopen.84822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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13
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Le J, Lei X, Ren Y, Li Z, Tu H, Ding F, Yi X, Zhou Y, Liu Q, Zhang S. Exogenous oestradiol benzoate induces male mice azoospermia through modulation of oxidative stress and testicular metabolic cooperation. Mol Med Rep 2019; 19:4955-4963. [PMID: 31059031 DOI: 10.3892/mmr.2019.10169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 03/20/2019] [Indexed: 11/06/2022] Open
Abstract
In most cases, exogenous oestradiol benzoate (EB) inhibits spermatogenesis, however, the mechanism underlying this process has not been fully elucidated. The present study investigated the effect of EB on redox equilibrium and glycometabolism in mouse testes. Male Kunming mice were divided into 3 groups and injected with 0, 5 and 10 mg/kg EB, respectively. Histological analysis revealed no sperm and far fewer spermatogenic cells in the testes of EB‑treated mice. Additionally, transmission electron microscopy revealed that mitochondria in Sertoli cells were transformed to vacuoles with irregular cristae in the EB‑treated group. EB also significantly decreased the activities and mRNA expression of catalase, superoxide dismutase, and glutathione peroxidase and increased the activity of nitric oxide synthase and nitric oxide concentration in the testes compared with the control. These results indicated that oxidative damage was caused by EB treatment. With regard to glycometabolism, ATP content and activities of hexokinase and pyruvate kinase were significantly reduced in the EB‑treated group. Although glucose and pyruvate concentrations were significantly increased by EB treatment, levels of lactate, the main energy source of spermatogenic cells, were unchanged. Monocarboxylate transporter 2 (MCT2) and MCT4, which are responsible for lactate transportation, were downregulated by EB. In conclusion, the results of the present study indicated that azoospermia induced by EB in male mice was associated with oxidative damage and the disorder of testicular metabolic cooperation.
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Affiliation(s)
- Jianghua Le
- Department of Reproductive Medical Center, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Xiaocan Lei
- Department of Histology and Embryology, School of Basic Medical Sciences, Zunyi Medical University, Zunyi, Guizhou 563006, P.R. China
| | - Yanping Ren
- Department of Histology and Embryology, School of Basic Medical Sciences, Zunyi Medical University, Zunyi, Guizhou 563006, P.R. China
| | - Zhipeng Li
- State Key Laboratory for Conversation and Utilization of Subtropical Agro‑Bioresources, Guangxi University, Nanning, Guangxi 530004, P.R. China
| | - Haoyan Tu
- Department of Histology and Embryology, School of Basic Medical Sciences, Zunyi Medical University, Zunyi, Guizhou 563006, P.R. China
| | - Fangya Ding
- Department of Reproductive Medical Center, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Xiaodong Yi
- Department of Histology and Embryology, School of Basic Medical Sciences, Zunyi Medical University, Zunyi, Guizhou 563006, P.R. China
| | - Yi Zhou
- Department of Histology and Embryology, School of Basic Medical Sciences, Zunyi Medical University, Zunyi, Guizhou 563006, P.R. China
| | - Qingyou Liu
- State Key Laboratory for Conversation and Utilization of Subtropical Agro‑Bioresources, Guangxi University, Nanning, Guangxi 530004, P.R. China
| | - Shun Zhang
- Department of Reproductive Medical Center, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
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14
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Assisi L, Pelagalli A, Squillacioti C, Liguori G, Annunziata C, Mirabella N. Orexin A-Mediated Modulation of Reproductive Activities in Testis of Normal and Cryptorchid Dogs: Possible Model for Studying Relationships Between Energy Metabolism and Reproductive Control. Front Endocrinol (Lausanne) 2019; 10:816. [PMID: 31824429 PMCID: PMC6882921 DOI: 10.3389/fendo.2019.00816] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 11/07/2019] [Indexed: 12/25/2022] Open
Abstract
Orexin A (OxA) is a neuropeptide produced in the lateral hypothalamus that performs pleiotropic functions in different tissues, including involvement in energy homeostasis and reproductive neuroendocrine functions. The role of OxA is particularly important given the well-studied relationships between physiological mechanisms controlling energy balance and reproduction. The enzyme P450 aromatase (ARO) helps convert androgens to estrogens and has roles in steroidogenesis, spermatogenesis, and energy metabolism in several organs. The goal of this study was thus to investigate the role of OxA in ARO activity and the effects of this regulation on reproductive homeostasis in male gonads from healthy and cryptorchid dogs. The cryptorchidism is a specific condition characterized by altered reproductive and metabolic activities, the latter of which emerge from impaired glycolysis. OxA helps to stimulate testosterone (T) synthesis in the dog testis. We aimed to investigate OxA-mediated modulation of 17β-estradiol (17β-E) synthesis, ARO expression and metabolic indicators in testis of normal and cryptorchid dogs. Our results indicate putative effects of OxA on estrogen biosynthesis and ARO activity based on western blotting analysis and immunohistochemistry for ARO detection and in vitro tests. OxA triggered decrease in estrogen production and ARO activity inhibition; reduced ARO activity thus prevented the conversion of T to estrogens and increasing OxA-mediated synthesis of T. Furthermore, we characterized some metabolic and oxidative modulations in normal and cryptorchid dog's testis. The steroidogenic regulation by OxA and its modulation of ARO activity led us to hypothesize that OxA is a potential therapeutic target in pathological conditions associated with steroidogenic alterations and OxA possible involvement in metabolic processes in the male gonad.
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Affiliation(s)
- Loredana Assisi
- Department of Biological Sciences, University of Naples Federico II, Naples, Italy
| | - Alessandra Pelagalli
- Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
- Institute of Biostructures and Bioimages, National Research Council, Naples, Italy
| | - Caterina Squillacioti
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
- *Correspondence: Caterina Squillacioti
| | - Giovanna Liguori
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Chiara Annunziata
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Nicola Mirabella
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
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15
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Hamedi S, Shomali T, Haghighat A. Rosa damascena Mill. Essential Oil Has Protective Effect Against Testicular Damage in Diabetic Rats. J Diet Suppl 2018; 15:311-317. [PMID: 28792252 DOI: 10.1080/19390211.2017.1345030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This study investigates the protective effect of Rosa damascena essential oil on diabetes-induced testicular damage in rats. Thirty-six male Wistar rats were randomly divided into 6 equal groups: Group I: negative control (no treatment); Group II: positive control (diabetic by alloxan injection); Groups III-VI that rendered diabetic and received, respectively, 50, 100, 200, and 400 µg/kg/day rose oil, orally for 28 days. Rose oil did not significantly change body weight and blood glucose level as compared to positive control. Serum testosterone level of rose oil-treated rats remained statistically the same with both negative and positive control groups (Groups I and II). Rats treated with rose oil especially at 2 higher dosages (Groups V and VI) had higher sperm count and increased diameters of seminiferous tubules as compared to Group II. Rose oil even at the lowest dosage significantly increased cell count of spermatogonia, primary spermatocytes, Sertoli cells, and Leydig cells, with better outcomes for higher dosages. It appears that short-term repeated dose administration of rose oil can dose-dependently improve structural deteriorations of testes and epididymal sperm count in diabetic rats.
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Affiliation(s)
- Somayeh Hamedi
- a Department of Basic Sciences, Faculty of Veterinary Medicine, Karaj Branch , Islamic Azad University , Alborz , Iran
| | - Tahoora Shomali
- b Division of Pharmacology and Toxicology, Department of Basic Sciences, School of Veterinary Medicine , Shiraz University , Shiraz , Iran
| | - Aliakbar Haghighat
- a Department of Basic Sciences, Faculty of Veterinary Medicine, Karaj Branch , Islamic Azad University , Alborz , Iran
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16
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Tavares RS, Escada-Rebelo S, Silva AF, Sousa MI, Ramalho-Santos J, Amaral S. Antidiabetic therapies and male reproductive function: where do we stand? Reproduction 2018; 155:R13-R37. [DOI: 10.1530/rep-17-0390] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/15/2017] [Accepted: 10/09/2017] [Indexed: 12/21/2022]
Abstract
Diabetes mellitus has been increasing at alarming rates in recent years, thus jeopardizing human health worldwide. Several antidiabetic drugs have been introduced in the market to manage glycemic levels, and proven effective in avoiding, minimizing or preventing the appearance or development of diabetes mellitus-related complications. However, and despite the established association between such pathology and male reproductive dysfunction, the influence of these therapeutic interventions on such topics have been scarcely explored. Importantly, this pathology may contribute toward the global decline in male fertility, giving the increasing preponderance of diabetes mellitus in young men at their reproductive age. Therefore, it is mandatory that the reproductive health of diabetic individuals is maintained during the antidiabetic treatment. With this in mind, we have gathered the available information and made a critical analysis regarding the effects of several antidiabetic drugs on male reproductive function. Unlike insulin, which has a clear and fundamental role on male reproductive function, the other antidiabetic therapies' effects at this level seem incoherent. In fact, studies are highly controversial possibly due to the different experimental study approaches, which, in our opinion, suggests caution when it comes to prescribing such drugs to young diabetic patients. Overall, much is still to be determined and further studies are needed to clarify the safety of these antidiabetic strategies on male reproductive system. Aspects such as the effects of insulin levels variations, consequent of insulin therapy, as well as what will be the impact of the side effect hypoglycemia, common to several therapeutic strategies discussed, on the male reproductive system are still to be addressed.
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17
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Ramaraju GA, Teppala S, Prathigudupu K, Kalagara M, Thota S, Kota M, Cheemakurthi R. Association between obesity and sperm quality. Andrologia 2017; 50. [DOI: 10.1111/and.12888] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2017] [Indexed: 12/21/2022] Open
Affiliation(s)
- G. A. Ramaraju
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - S. Teppala
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - K. Prathigudupu
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - M. Kalagara
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - S. Thota
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - M. Kota
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
| | - R. Cheemakurthi
- Center for Assisted Reproduction; Krishna IVF Clinic; Visakhapatnam India
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