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Zhao R, Chen Y, Liang Y. Bioorthogonal Delivery of Carbon Disulfide in Living Cells. Angew Chem Int Ed Engl 2024; 63:e202400020. [PMID: 38752888 DOI: 10.1002/anie.202400020] [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: 01/01/2024] [Indexed: 06/27/2024]
Abstract
Carbon disulfide (CS2) is an environmental contaminant, which is deadly hazardous to the workers under chronic or acute exposure. However, the toxicity mechanisms of CS2 are still unclear due to the scarcity of biocompatible donors, which can release CS2 in cells. Here we developed the first bioorthogonal CS2 delivery system based on the "click-and-release" reactions between mesoionic 1,3-thiazolium-5-thiolates (TATs) and strained cyclooctyne exo-BCN-OH. We successfully realized intracellular CS2 release and investigated the causes of CS2-induced hepatotoxicity, including oxidative stress, proteotoxic stress and copper-dependent cell death. It is found that CS2 can be copper vehicles bypassing copper transporters after reacting with nucleophiles in cytoplasm, and extra copper supplementation will exacerbate the loss of homeostasis of cells and ultimately cell death. These findings inspired us to explore the anticancer activity of CS2 in combination with copper by introducing a copper chelating group in our CS2 delivery system.
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Affiliation(s)
- Ruohan Zhao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yinghan Chen
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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Chen Y, Zhao C, Zheng J, Su N, Ji H. Discovery of the mechanism of n-propylparaben-promoting the proliferation of human breast adenocarcinoma cells by activating human estrogen receptors via metabolomics analysis. Hum Exp Toxicol 2023; 42:9603271231171648. [PMID: 37121592 DOI: 10.1177/09603271231171648] [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: 05/02/2023]
Abstract
BACKGROUND N-propylparaben (PP), a type of paraben, is commonly used as a preservative or antibacterial agent in daily chemicals, medicine, food, cosmetics, feed, and various industrial preservatives. Although PP promotes the growth of human breast adenocarcinoma (MCF-7) cells by activating the human estrogen receptor (ER), the mechanism responsible for this type of programmed cell proliferation is poorly understood. OBJECTIVE To clarify the effect of PP on cell metabolic function and the potential molecular mechanism of PP induced MCF-7 cell proliferation from a new perspective. METHODS To use high-resolution mass spectrometry-based metabolomics combined with bioinformatics analysis to analyze the molecular mechanism. RESULTS The results illustrated that differential endogenous compounds related to the effects of PP on cell metabolic functions were detected. PP was found to promote glycolysis in MCF-7 cells and enhance the tricarboxylic acid cycle (TCA cycle) in mitochondria, thus improving the energy supply to these tumor cells for metabolic function and promotion of rapid proliferation. Moreover, we found that PP promoted cell proliferation by affecting the mitogen-activated protein kinase (MAPK) signaling pathway of MCF-7 cells. CONCLUSION Our results revealed the molecular mechanism of low concentration PP promoting MCF-7 cell proliferation by activating ER.
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Affiliation(s)
- Yunxia Chen
- Chinese Academy of Inspection and Quarantine, Cosmetic Technology Center, Beijing, China
| | - Chan Zhao
- Chinese Academy of Inspection and Quarantine, Institute of Chemicals Safety, Beijing, China
| | - Jun Zheng
- Chinese Academy of Inspection and Quarantine, Cosmetic Technology Center, Beijing, China
| | - Ning Su
- Chinese Academy of Inspection and Quarantine, Cosmetic Technology Center, Beijing, China
| | - Hainan Ji
- Chinese Academy of Inspection and Quarantine, Institute of Chemicals Safety, Beijing, China
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Zhang S, Zhang B, Zhang Q, Zhang Z. Crotonaldehyde exposure induces liver dysfunction and mitochondrial energy metabolism disorder in rats. Toxicol Mech Methods 2021; 31:425-436. [PMID: 33749501 DOI: 10.1080/15376516.2021.1904073] [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
Crotonaldehyde is a highly toxic pollutant, widely present in tobacco smoke and automobile exhaust. Exposure to crotonaldehyde can cause hepatotoxicity and induce liver tumors in rats; however, the underlying mechanism is unclear. Liver cells contain many mitochondria, which serve to maintain energy levels in the body. We hypothesized that the energy metabolism disorder caused by mitochondrial dysfunction is an important cause of liver injury in rats exposed to crotonaldehyde. To test this, we randomly divided 40 male Wistar rats into four groups, and provided crotonaldehyde at 0, 2.5, 4.5, and 8.5 mg/kg for 90 days by intragastric administration. The results showed that crotonaldehyde exposure caused damage to liver mitochondrial structure, reduced electron-transport chain activity and ATP levels, and interfered with mitochondrial DNA transcription. In response to increased crotonaldehyde exposure, rats exhibited increased reactive oxygen species levels, decreased superoxide dismutase and glutathione activity, and activation of the caspase-mediated apoptosis pathway, as well as elevated levels of alanine aminotransferase, aspartate aminotransferase, total bilirubin, and histopathological damage. Our findings, together with those of previous reports, should help elucidate the underlying mechanism of crotonaldehyde-induced mitochondrial dysfunction and energy metabolism disorder, and provide an important direction for the prevention and clinical intervention of liver diseases caused by crotonaldehyde and aldehydes with similar structures.
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Affiliation(s)
- Shuman Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Biao Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Qi Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Zhihu Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
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Zhang B, Wei P, Men J, Zhang S, Shao H, Zhang Z. Crotonaldehyde-induced alterations in testicular enzyme function and hormone levels, and apoptosis in the testes of male Wistar rats are associated with oxidative damage. Toxicol Mech Methods 2019; 30:19-32. [DOI: 10.1080/15376516.2019.1646369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Biao Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, PR China
| | - Ping Wei
- Department of Gynecologic Oncology, Shandong Tumor Hospital and Institute, Jinan, Shandong, PR China
| | - Jinlong Men
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, PR China
| | - Shuman Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, PR China
| | - Hua Shao
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, PR China
| | - Zhihu Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, PR China
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Zhou X, Yong L, Huang Y, Zhu S, Song X, Li B, Zhu J, Wang H. The protective effects of distal ischemic treatment on apoptosis and mitochondrial permeability in the hippocampus after cardiopulmonary resuscitation. J Cell Physiol 2018; 233:6902-6910. [PMID: 29323705 DOI: 10.1002/jcp.26459] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Accepted: 01/05/2018] [Indexed: 02/05/2023]
Abstract
Apoptosis and mitochondrial dysfunction are the main cause of neurological injury after cardiopulmonary resuscitation (CPR). However, the effects of distal ischemic treatments on ischemia induced apoptosis are rarely studied, and the mechanism by which mitochondrial dysfunction contributes to CPR still unclear. A rat model of distal ischemia was established by clipping the right femoral artery. Rats were divided into blank, model, pre distal ischemic treatment, per-treatment, and post-treatment groups. Neurological deficit score was scored to evaluate neurologic function after cardiopulmonary resuscitation for 72 hr. We employed TUNEL and flow cytometry to measure the rate of apoptosis of hippocampal neurons, the integrity of mitochondrial membrane and the degree of mitochondrial permeability transition pore (mPTP) opening. The rate of apoptosis rate of hippocampal CA1 neurons in the pre-treatment and post-treatment groups were significantly lower than that of the model group. Moreover, the integrity of the mitochondrial membrane in the pre-treatment and post-treatment groups was higher than that in the model and per- treatment groups. Furthermore, the degree of mPTP opening was lower in the pre-treatment and post-treatment groups than the untreated and per-treatment groups. Taken together, our results show that ischemic preconditioning and post processing can maintain the integrity of mitochondria, perhaps by inhibiting the opening of mPTP, and reducing apoptosis of hippocampal neurons by regulating expression of apoptosis related proteins after CPR, to improve neurological function. This study highlights a novel target pathway for treatment of CPR.
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Affiliation(s)
- Xiang Zhou
- Department of Anesthesiology, Wuhan General Hospital of People's Liberation Army of China, Wuhan, China
- Southern Medical University, Guangzhou, China
| | - Liu Yong
- Department of Thoracic Cardiovascular Surgery, ZhongNan Hospital of WuHan University, Wuhan, China
| | - Yang Huang
- Southern Medical University, Guangzhou, China
| | - ShuiBo Zhu
- Southern Medical University, Guangzhou, China
- Department of Thoracic Cardiovascular Surgery, Wuhan General Hospital of People's Liberation Army of China, Wuhan, China
| | - XiaoYang Song
- Department of Anesthesiology, Wuhan General Hospital of People's Liberation Army of China, Wuhan, China
| | - BiXi Li
- Department of Anesthesiology, Wuhan General Hospital of People's Liberation Army of China, Wuhan, China
| | - Jian Zhu
- Department of Thoracic Cardiovascular Surgery, Wuhan General Hospital of People's Liberation Army of China, Wuhan, China
| | - HaiBo Wang
- Southern Medical University, Guangzhou, China
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The aldehyde group of gossypol induces mitochondrial apoptosis via ROS-SIRT1-p53-PUMA pathway in male germline stem cell. Oncotarget 2017; 8:100128-100140. [PMID: 29245965 PMCID: PMC5725007 DOI: 10.18632/oncotarget.22044] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 10/05/2017] [Indexed: 01/14/2023] Open
Abstract
As a widely grown economic crop, cotton is the major oil and protein resource for human and livestock. But the highly toxic of gossypol in cottonseed severely restricts its effective utilization, consequently creating huge resource waste. Previous studies have shown the male germline stem cells were the most vulnerable cells in gossypol damages, but the mechanism was still unclear. We found gossypol induced cell viability decline resulted from apoptosis. And the increase of Caspase-9 activity in gossypol treatment hinted the mitochondrial apoptosis. So the mitochondrial dysfunction was confirmed by the decreased mitochondrial membrane potential and ATP concentration. We found the higher intracellular H2O2 level did not accompany with the O2·- associated increase in gossypol-treated, which indicated that gossypol obstructed the intracellular reactive oxygen species (ROS) elimination. Manipulated gossypol-induced H2O2 level by H2O2 and α-lipoic acid, we demonstrated that the mitochondrial dysfunction resulted from the excessive intracellular H2O2. Treated with Apogossypolone (ApoG2), an aldehyde group removed derivative of gossypol, the GSH/GSSG ratio and H2O2 did not decrease. ApoG2 also did not cause the mitochondrial apoptosis. So the aldehyde group is key factor in gossypol cytotoxicity. We respectively detected the NAD+/NADH ratio, SIRT1 activity, the relative protein level and apoptosis. Comparing with the specific inhibitors groups, the data illustrated that gossypol induced apoptosis through SIRT1-P53-PUMA pathway. This study helped to overcome barriers of gossypol cytotoxicity, which is crucial in feed and food use of cottonseed. This also provides a reference for the gossypol derivatives using in male contraception and anticancer.
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He L, You S, Gong H, Zhang J, Wang L, Zhang C, Huang Y, Zhong C, Zou Y. Cigarette smoke induces rat testicular injury via mitochondrial apoptotic pathway. Mol Reprod Dev 2017; 84:1053-1065. [PMID: 28700107 DOI: 10.1002/mrd.22863] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 05/25/2017] [Indexed: 01/02/2023]
Affiliation(s)
- Lijuan He
- Department of Social Medicine, School of Public Health; Xinjiang Medical University; Urumqi Xinjiang P.R. China
| | - Shuping You
- Department of Basic Nursing Teaching and Research Section, School of Nursing; Xinjiang Medical University; Urumqi Xinjiang P.R. China
| | - Haiyan Gong
- Department of Clinical Laboratory; Fifth Affiliated Hospital of Xinjiang Medical University,; Urumqi Xinjiang P.R. China
| | - Jing Zhang
- Department of Hygiene Toxicology, School of Public Health; Xinjiang Medical University; Urumqi Xinjiang P.R. China
| | - Li Wang
- The Key Laboratory of Xinjiang Metabolic Disease; First Affiliated Hospitalof Xinjiang Medical University; Urumqi Xinjiang P.R. China
| | - Chen Zhang
- Department of Clinical Laboratory; Fifth Affiliated Hospital of Xinjiang Medical University,; Urumqi Xinjiang P.R. China
| | - Yunfei Huang
- Department of Clinical Laboratory; Fifth Affiliated Hospital of Xinjiang Medical University,; Urumqi Xinjiang P.R. China
| | - Chunxue Zhong
- Department of Hygiene Toxicology, School of Public Health; Xinjiang Medical University; Urumqi Xinjiang P.R. China
| | - Ying Zou
- Department of Clinical Laboratory; Fifth Affiliated Hospital of Xinjiang Medical University,; Urumqi Xinjiang P.R. China
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Yin J, Ni B, Liao WG, Gao YQ. Hypoxia-induced apoptosis of mouse spermatocytes is mediated by HIF-1α through a death receptor pathway and a mitochondrial pathway. J Cell Physiol 2017; 233:1146-1155. [PMID: 28444885 DOI: 10.1002/jcp.25974] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 04/24/2017] [Indexed: 12/19/2022]
Abstract
Hypoxia in vivo induces oligozoospermia, azoospermia, and degeneration of the germinal epithelium, but the underlying molecular mechanism of this induction is not fully clarified. The aim of this study was to investigate the role of the death receptor pathway and the mitochondrial pathway in hypoxia-induced apoptosis of mouse GC-2spd (GC-2) cells and the relationship between HIF-1α and apoptosis of GC-2 cells induced by hypoxia. GC-2 cells were subjected to 1% oxygen for 48 hr. Apoptosis was detected by flow cytometry, TUNEL staining, LDH, caspase-3/8/9 in the absence and presence of HIF-1α siRNA. The protein levels of apoptosis-related markers were determined by Western blot in the presence and absence of HIF-1α siRNA. Mitochondrial transmembrane potential change was observed by in situ JC-1 staining. Cell viability was assessed upon treatment of caspase-8 and 9 inhibitors. The results indicated that hypoxia at 1% oxygen for 48 hr induced apoptosis of GC-2 cells. A prolonged exposure of GC-2 cells to hypoxic conditions caused downregulation of c-FLIP, Dc R2 and Bcl-2 and upregulation of DR5 , TRAIL, Fas, p53, and Bax, with an overproduction of caspase-3/8/9. Moreover, hypoxia at this level had an effect on mitochondrial depolarization. In addition, specific inhibitors of caspase-8/9 partially suppressed hypoxia-induced GC-2 cell apoptosis, and the anti-apoptotic effects of the caspase inhibitors were additive. Of note, HIF-1α knockdown attenuated hypoxia and induced apoptosis of GC-2 cells. In conclusion, our data suggest that the death receptor pathway and mitochondrial pathway, which are likely mediated by HIF-1α, contribute to hypoxia-induced GC-2 cell apoptosis.
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Affiliation(s)
- Jun Yin
- Department of Pathophysiology and High Altitude Pathology/Key Laboratory of High Altitude Environment Medicine (Third Military Medical University), Ministry of Education/Key Laboratory of High Altitude Medicine, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, PR China
| | - Bing Ni
- Department of Pathophysiology and High Altitude Pathology/Key Laboratory of High Altitude Environment Medicine (Third Military Medical University), Ministry of Education/Key Laboratory of High Altitude Medicine, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, PR China
| | - Wei-Gong Liao
- Department of Pathophysiology and High Altitude Pathology/Key Laboratory of High Altitude Environment Medicine (Third Military Medical University), Ministry of Education/Key Laboratory of High Altitude Medicine, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, PR China
| | - Yu-Qi Gao
- Institute of Medicine and Hygienic Equipment for High Altitude Region/Key Laboratory of High Altitude Environment Medicine (Third Military Medical University), Ministry of Education/Key Laboratory of High Altitude Medicine, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, PR China
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Wang S, Irving G, Jiang L, Wang H, Li M, Wang X, Han W, Xu Y, Yang Y, Zeng T, Song F, Zhao X, Xie K. Oxidative Stress Mediated Hippocampal Neuron Apoptosis Participated in Carbon Disulfide-Induced Rats Cognitive Dysfunction. Neurochem Res 2016; 42:583-594. [PMID: 27900598 DOI: 10.1007/s11064-016-2113-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 09/06/2016] [Accepted: 11/15/2016] [Indexed: 10/20/2022]
Abstract
Occupational exposure to carbon disulfide (CS2) exhibits central nervous systems toxicity. But the mechanism is unclear. The present study was designed to investigate the relationship between the CNS damage and cognitive dysfunction caused by CS2, and eventually reveal the possible oxidative-related mechanism of hippocampus pathological changes in CS2 exposed rats. Male Wistar rats were administrated with CS2 at dosage of 200, 400 and 600 mg/kg for consecutive 20 days, respectively. Cognitive performances were evaluated by Morris water maze tests. Thionin and immunohistochemical analysis were used to investigate the hippocampal neuron damage, and the expression of apoptosis related proteins (cleaved-caspase 3, Bax and Bcl-2) were detected to explore the possible mechanisms of neuronal loss. Oxidative stress parameters were checked by commercial assay kits. Rats exposed to CS2 displayed cognitive dysfunction manifested as decreased spatial learning ability and memory lesion. Pathological changes and significant neuron loss were observed in hippocampus, especially in CA1 and CA3 sub-regions. Mitochondria-dependent apoptosis pathway was implicated in the CS2-induced neuronal loss which was demonstrated by the up-regulation of cleaved-caspase 3 and Bax accompanied with down-regulation of Bcl-2. Furthermore, extensive oxidative stress induced by CS2 was also revealed by the measurement of ROS, RNS, MDA, GSH&GSSG and antioxidant enzymes (CAT, T-SOD, and GSH-Px). Our study suggested that oxidative stress mediated hippocampal neuron apoptosis might play an important role in CS2 induced CNS damage and cognitive dysfunction.
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Affiliation(s)
- Shuo Wang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Gleniece Irving
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Lulu Jiang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Hui Wang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Ming Li
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Xujing Wang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Wenting Han
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Yongpeng Xu
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Yilin Yang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Tao Zeng
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Fuyong Song
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Xiulan Zhao
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China
| | - Keqin Xie
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong, 250012, China.
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The Effects of Occupational Exposure of Carbon Disulfide on Sexual Hormones and Semen Quality of Male Workers From a Chemical Fiber Factory. J Occup Environ Med 2016; 58:e294-300. [DOI: 10.1097/jom.0000000000000823] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Guo Y, Ji J, Wang W, Dong Y, Zhang Z, Zhou Y, Chen G, Cheng J. Role of Endoplasmic reticulum apoptotic pathway in testicular Sertoli cells injury induced by Carbon disulfide. CHEMOSPHERE 2015; 132:70-78. [PMID: 25816788 DOI: 10.1016/j.chemosphere.2015.02.058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 02/22/2015] [Accepted: 02/25/2015] [Indexed: 06/04/2023]
Abstract
The exposure of Carbon disulfide (CS2) is associated with germ cell injury and male infertility in animals and humans. However, the molecular mechanism is currently unknown. This study show here that CS2-induced Sertoli cells injury via Endoplasmic reticulum (ER) apoptotic pathway. SD male rats were exposed to doses of CS2 (0, 50, 250, 1250mgm(-3)) for 4weeks. After treatment, loose structures of seminiferous tubules and disordered cell arrangements were observed by light microscopy. Ultrastructural lesions, deformed chromatins and vacuoles formed from swollen ER were observed by electron microscopy. After primary culture of Sertoli cells, a dose-dependent increased apoptosis were found. The increased activity of Caspase 3, accumulation of intracellular Ca(2+), up-regulation of mRNA and protein expressions of ER apoptotic relative molecules (Calpain 2, Cleaved-Caspase 12, GRP78 and CHOP) were also found in this study. Altogether, our findings indicated that ER apoptotic pathway played an important role in CS2-induced Sertoli cell impairment.
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Affiliation(s)
- Yinsheng Guo
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China; Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong 518055, PR China
| | - Jiajia Ji
- Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong 518055, PR China
| | - Wei Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China
| | - Yu Dong
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China
| | - Zhen Zhang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China
| | - Yijun Zhou
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China; Department of Environmental Health, School of Public Health, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Guoyuan Chen
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei, PR China.
| | - Jinquan Cheng
- Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong 518055, PR China.
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