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Prastiya RA, Sardjito T, Nabila TRN, Azizah HIN, Saputro AL, Sasi SM. Zinc and α-tocopherol protect the antral follicles and endogenous antioxidants of female albino rats (Rattus norvegicus) against lead toxicity. J Trace Elem Med Biol 2023; 80:127284. [PMID: 37657266 DOI: 10.1016/j.jtemb.2023.127284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/01/2023] [Accepted: 08/12/2023] [Indexed: 09/03/2023]
Abstract
BACKGROUND Lead impairs female reproductive health because it can induce oxidative stress. Zinc as an antioxidant produces an enzyme system that helps neutralize free radicals. α-Tocopherol has an antagonistic effect that reduces oxidative stress. This study aimed to demonstrate the effects of zinc (Zn) and α-tocopherol on the ovarian endogenous antioxidants and antral follicles of albino rats (Rattus norvegicus) exposed to lead acetate (Pb(C2H3O2)2). METHODS Twenty-five female Wistar rats were divided into five groups, namely groups K (control), P0, P1, P2, and P3. Following exposure and treatment for 21 days with different combinations, the albino rats were necropsied, and their ovaries were removed for subsequent histopathological preparations and endogenous antioxidant analysis. Observations were made on the ovary, including an antral follicle count and diameter calculations. Analysis of the superoxide dismutase (SOD) levels (560 nm wavelength) and malondialdehyde MDA-TBA (532 nm wavelength) were performed by a spectrophotometer. The data were analyzed using a one-way ANOVA and least significant difference (LSD) test with the SPSS V24 software. RESULTS The highest SOD enzyme expression in the albino rat ovaries was in P0 (17.23 ± 5.34), and the lowest was in P3 (4.21 ± 0.76). The lowest MDA level was observed in the control group (K) and P3 compared to the other groups. The highest average antral follicle count and diameter were found in the albino rats exposed to 1.5 mg/kg BW lead acetate, and treated with 0.54 mg/kg BW zinc sulfate and 100 mg/kg BW α-tocopherol (group P3) compared to the other groups. The mechanisms of action of zinc and α-tocopherol work synergistically to decrease free radicals and ovarian damage. CONCLUSION The results showed that a combination of 0.54 mg/kg BW zinc (Zn) and 100 mg/kg BW α-tocopherol can maintain the number and diameter of the antral follicles and reduce ovarian SOD expression and MDA levels in albino rats exposed to lead acetate.
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Affiliation(s)
- Ragil Angga Prastiya
- Veterinary Reproduction Division, School of Health and Life Sciences (SIKIA), Universitas Airlangga, Banyuwangi, Indonesia.
| | - Trilas Sardjito
- Veterinary Reproduction Division, School of Health and Life Sciences (SIKIA), Universitas Airlangga, Banyuwangi, Indonesia
| | - Talitha Rifda Nur Nabila
- Veterinary Medicine Study Program, Department of Health and Life Sciences, School of Health and Life Sciences (SIKIA), Universitas Airlangga, Banyuwangi, Indonesia
| | - Hanifah Indra Nur Azizah
- Veterinary Medicine Study Program, Department of Health and Life Sciences, School of Health and Life Sciences (SIKIA), Universitas Airlangga, Banyuwangi, Indonesia
| | - Amung Logam Saputro
- Veterinary Reproduction Division, School of Health and Life Sciences (SIKIA), Universitas Airlangga, Banyuwangi, Indonesia
| | - Samira Musa Sasi
- Department of Zoology, Faculty of Science, University of Tripoli, Tripoli, Libya
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Chen Y, Sun Y, Zhao A, Cai X, Yu A, Xu Q, Wang P, Yao J, Wang Q, Wang W. Arsenic exposure diminishes ovarian follicular reserve and induces abnormal steroidogenesis by DNA methylation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113816. [PMID: 36068745 DOI: 10.1016/j.ecoenv.2022.113816] [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: 04/24/2022] [Revised: 06/17/2022] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
Arsenic contamination is a worldwide public health problem, and the effect of arsenic on male reproduction has been extensively studied; however, data on the biotoxicity of arsenic in terms of female reproduction are more scarce. In this study, a human-cell-animal translational strategy was applied to explore the effect of arsenic exposure on ovarian steroidogenesis and its potential mechanism. We conducted a 1:1 propensity score matched case-control study involving 127 diminished ovarian reserve (DOR) cases and 127 healthy controls. The ovarian follicular fluid levels of 21 metal elements, including arsenic, were measured. The results showed that there were significant differences in follicular fluid metal profiles between DOR patients and controls and that arsenic, molybdenum, and strontium played important roles in DOR progression [OR (95 % CI): 2.203 (1.385, 3.503), 2.308 (1.490, 3.575) and 2.922 (1.864, 4.580), respectively]. In the primary ovarian granulosa cell culture model, we found that treatment with 8 μM arsenic for 24 and 48 h induced a decrease in human granulosa cell viability. The estradiol (E2) level was significantly decreased after arsenic exposure (P < 0.05), which was dependent on significant alterations (P < 0.05) in key enzymes in steroidogenesis. In addition, a model for sodium arsenite exposure through water in rats from weaning to sexual maturity was established. We evaluated ovarian development by monitoring the estrous cycle, observing ovarian pathology, and calculating the follicular proportion. RT-qPCR, Western blotting, and bisulfite-sequencing PCR were used to investigate the effect of arsenic exposure on ovarian steroidogenesis and its possible mechanism. The results indicated that steroidogenic factor-1 (SF-1) was an important target of the steroidogenesis disorder induced by arsenic exposure. Arsenic significantly increased the DNA methylation level (P < 0.05) in the promoter region of SF-1 to reduce its expression, subsequently decreasing the levels of steroidogenic acute regulatory protein (StAR), P450 cholesterol side-chain cleavage enzyme (CYP11A1), and aromatase (CYP19A1) (P < 0.05), leading to premature depletion of ovarian follicles.
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Affiliation(s)
- Yiqin Chen
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Yan Sun
- Center for Reproductive Medicine, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China; Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Aili Zhao
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Xuefen Cai
- Center for Reproductive Medicine, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
| | - Aili Yu
- Center for Reproductive Medicine, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
| | - Qian Xu
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Panlin Wang
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Jing Yao
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Qi Wang
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Wenxiang Wang
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China; Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China.
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Hao Y, Wang J, Ren J, Liu Z, Bai Z, Liu G, Dai Y. Effect of dimethyl alpha-ketoglutarate supplementation on the in vitro developmental competences of ovine oocytes. Theriogenology 2022; 184:171-184. [DOI: 10.1016/j.theriogenology.2022.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 02/19/2022] [Accepted: 03/14/2022] [Indexed: 10/18/2022]
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Ren J, Li S, Wang C, Hao Y, Liu Z, Ma Y, Liu G, Dai Y. Glutathione protects against the meiotic defects of ovine oocytes induced by arsenic exposure via the inhibition of mitochondrial dysfunctions. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 230:113135. [PMID: 34979315 DOI: 10.1016/j.ecoenv.2021.113135] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Accumulating evidences revealed the connections between arsenic exposure and mitochondrial dysfunctions induced reproductive toxicology. Meanwhile, production declines were found in livestock suffering from arsenic exposure. However, the connections between arsenic exposure and livestock meiotic defects remain unclear. In this study, the effects of sodium arsenite (NaAsO2) exposure during the in vitro maturation (IVM) on the meiotic potentials of ovine oocytes were analyzed. Furthermore, the effects of glutathione (GSH) supplementation on the meiotic defects of NaAsO2 exposed ovine oocytes were investigated by the assay of nuclear maturation, spindle organization, chromosome alignment, cytoskeleton assembly, cortical granule (CGs) dynamics, mitochondrial dysfunctions, reactive oxygen species (ROS) accumulation, oxidative DNA damages, cellular apoptosis, epigenetic modifications and fertilization capacities. The results showed that the meiotic defects of NaAsO2 exposed ovine oocytes were effectively ameliorated by the GSH supplementation via the inhibition of mitochondrial dysfunctions, which not only promoted the nuclear maturation, spindle organization, chromosome alignment, cytoskeleton assembly, CGs dynamic and fertilization capacities, but also inhibited the ROS accumulation, oxidative DNA damages and apoptosis of ovine MII oocytes. The abnormal expressions of 5mC, H3K4me3 and H3K9me3 in NaAsO2 exposed ovine oocytes, indicating the abnormal epimutations of DNA methylation and histone methylation, were also effectively ameliorated by the GSH supplementation. Taken together, this study confirmed the connections between arsenic exposure and meiotic defects of ovine oocytes. Meanwhile, the effects of GSH supplementation on the developmental competence of livestock oocytes, especially for these suffering from arsenic exposure were also founded, benefiting the extended researches for the GSH applications.
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Affiliation(s)
- Jingyu Ren
- College of Life Science, Inner Mongolia University, 235 West Univ. Road, Hohhot 010021, Inner Mongolia, China
| | - Shubin Li
- Department of Geriatric Medical Center, Inner Mongolia people's Hospital, 20 Zhaowuda Road, Hohhot 010021, Inner Mongolia, China
| | - Chunyu Wang
- College of Life Science, Inner Mongolia University, 235 West Univ. Road, Hohhot 010021, Inner Mongolia, China
| | - Yuchun Hao
- College of Life Science, Inner Mongolia University, 235 West Univ. Road, Hohhot 010021, Inner Mongolia, China
| | - Zhanpeng Liu
- College of Life Science, Inner Mongolia University, 235 West Univ. Road, Hohhot 010021, Inner Mongolia, China
| | - Yuzhen Ma
- Center of Reproductive Medicine, Inner Mongolia Peoples' Hospital, Hohhot 010021, Inner Mongolia, China
| | - Gang Liu
- Key Laboratory of Medical Cell Biology, Clinical Medicine Research Center, Affiliated Hospital of Inner Mongolia Medical University, 1 Tongdao North Street, Hohhot 010050, Inner Mongolia, China.
| | - Yanfeng Dai
- College of Life Science, Inner Mongolia University, 235 West Univ. Road, Hohhot 010021, Inner Mongolia, China.
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Nath Barbhuiya S, Barhoi D, Giri A, Giri S. Arsenic and smokeless tobacco exposure induces DNA damage and oxidative stress in reproductive organs of female Swiss albino mice. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2020; 38:384-408. [PMID: 33382011 DOI: 10.1080/26896583.2020.1860400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Arsenic contamination in the groundwater of Southern Assam, India is well-documented. A specific type of smokeless tobacco (sadagura, SG) is highly prevalent among the local population. Thus, the present study is aimed to evaluate the toxicological implications of arsenic and smokeless tobacco co-exposure on the reproductive health of female mice. The estrous cycle of experimental animals was monitored for 30 days. Histopathological studies and comet assay of ovarian and uterine tissues were performed after 30 days of exposure to SG and arsenic (sodium arsenite, SA). Oxidative stress was estimated biochemically by taking tissue glutathione, lipid peroxidation (LPO), and superoxide dismutase activity as endpoints. Our findings indicated a prolonged diestrus phase in the SG + L + SA group (p < 0.001). Histopathological study revealed abnormal tissue architecture in treated groups. Comet assay study showed that SG + SA exposure significantly induced DNA damage in test animals. The elevated LPO level in the SG + SA group indicated oxidative stress generation in the reproductive tissues. The present study suggests that female reproductive organs are vulnerable to SA and SG and oxidative stress generation may be the possible mechanism behind DNA damage, impaired follicular growth, atresia, and altered estrous cycle in the mice test system.
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Affiliation(s)
- Sweety Nath Barbhuiya
- Laboratory of Cell and Molecular Biology, Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Dharmeswar Barhoi
- Laboratory of Cell and Molecular Biology, Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Anirudha Giri
- Environment and Human Toxicology, Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Sarbani Giri
- Laboratory of Cell and Molecular Biology, Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
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