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Okhue E, Kadiri HE, Ichipi-Ifukor PC, Ben-Azu B, Asagba SO, Achuba FI, Oyem JC. Prenatal double-hit with aluminium and cadmium mediate testicular atrophy and hypothalamic hypoplasia: the role of oxido-nitrergic stress and endocrine perturbations. Biometals 2024; 37:477-494. [PMID: 38190032 DOI: 10.1007/s10534-023-00563-0] [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: 04/30/2023] [Accepted: 11/09/2023] [Indexed: 01/09/2024]
Abstract
There is limited experimental evidence on the biochemical consequences of aluminium (Al) and cadmium (Cd) co-exposures during pregnancy and postnatal life.This study investigated the impacts of perinatal Al chloride (AlCl3) and Cd chloride (CdCl2) co-exposures on neuroendocrine functions in mice offspring during postnatal life. The study comprised of four pregnant experimental groups. Group 1 received AlCl3 (10 mg/kg), group 2 were administered CdCl2 (1.5 mg/kg), while group 3 received both AlCl3 (10 mg/kg) and CdCl2 (1.5 mg/kg) (AlCl3+CdCl2), and group 4 received saline (10 mL/kg) only and served as control group. All experimental animals were chemically exposed once daily from gestation days 7-20. Upon delivery, male pups were regrouped based on maternal chemical exposure on postnatal day 21 (PND 21) and allowed to grow to adulthood until PND 78, after which they were sacrificed for assessment of neuroendocrine markers and histological investigations. There was no statistical significance (p > 0.05) on follicle stimulating hormone, testosterone, estrogen and progesterone, thyroid stimulating hormone, thyroxine (T4) in all treatment groups relative to controls|. However, AlCl3 and AlCl3-CdCl2 significantly (p < 0.05) reduced triiodothyronine (T3) levels, with a profound increase in T3:T4 ratio by AlCl3, and AlCl3+CdCl2 compared to control. Furthermore, pups from pregnant mice treated with CdCl2 and AlCl3+CdCl2 demonstrated increased testicular malondialdehyde concentration with increased catalase activity relative to controls, suggesting oxidative imbalance. In addition, AlCl3, CdCl2, and AlCl3+CdCl2 exposures induced testicular and hypothalamic architectural disruption compared to controls, with marked architectural derangement in the AlCl3+CdCl2 group. Our findings suggest that prenatal co-exposures to Alcl3 and CdCl2 induce testicular and hypothalamic alterations in offspring via a testicular oxidative stress and thyrotoxicosis-dependent mechanisms.
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Affiliation(s)
- Emmanuel Okhue
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Nigeria
| | - Helen Ejiro Kadiri
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Nigeria
| | | | - Benneth Ben-Azu
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Nigeria
| | | | | | - John Chukwuma Oyem
- Department of Anatomy, Faculty of Basic Medical Sciences, Novena University, Ogume, Nigeria
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Begum MR, Ehsan M, Ehsan N. Impact of Environmental Pollution on Female Reproduction. FERTILITY & REPRODUCTION 2022. [DOI: 10.1142/s266131822230001x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The increased pollution in the world atmosphere is a global concern. Water, air, and soil are polluted by various sources, such as farm fertilizer, sewage industrial waste products, fumes, and plastics, which in turn impact human health. Plastics and other mixtures of waste affect live in the water. Moreover, the ecosystem is disrupted by the use of heavy metal-containing chemicals in agriculture, and those are eventually consumed by humans. The consequences are a significant negative impact on health including reproductive health, which impairs fertility in the human population. Reproductive functions are severely affected by different chemicals which may interfere with hormonal functions. Greater consequences are faced by the women as the number of germ cells present in the ovary is fixed during fetal life, and which are nonrenewable. From the production of ovum to fertilization, to implantation, and finally continuation of pregnancy, all are affected by the heavy metals and endocrine disruptors. Lifestyle modifications such as consumption of organic foods, plastic product avoidance, separation of residential areas from industrial/agricultural areas, proper waste disposal, and so on, may help to improve the situation.
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Affiliation(s)
| | - Mariya Ehsan
- Infertility Care and Research Center (ICRC), Dhaka, Bangladesh
| | - Nazia Ehsan
- Infertility Care and Research Center (ICRC), Dhaka, Bangladesh
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Hernández-Cruz EY, Amador-Martínez I, Aranda-Rivera AK, Cruz-Gregorio A, Pedraza Chaverri J. Renal damage induced by cadmium and its possible therapy by mitochondrial transplantation. Chem Biol Interact 2022; 361:109961. [DOI: 10.1016/j.cbi.2022.109961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/05/2022] [Accepted: 04/22/2022] [Indexed: 12/14/2022]
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Effect of Co-administration of Agnus castus Aqueous Leaf Extract and Cadmium Chloride on Testicular Function Indices. Jundishapur J Nat Pharm Prod 2021. [DOI: 10.5812/jjnpp.99042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Cadmium toxicity is an environmental health menace in developing countries, which can result in damage to the male reproductive system. The mechanisms of cadmium toxicity include an increase in lipid peroxidation, depletion of glutathione, reduction in protein-bound sulfhydryl groups, and increase of oxidative stress. Agnus castus has been differently reported for its strong antioxidant potential and reproductive-enhancing properties. These two properties make the plant viable for the possible amelioration of cadmium toxicity. Objectives: This study was carried out to investigate the effect of Agnus castus aqueous leaf extract on the testicular function indices in cadmium chloride-treated rats. Methods: Twenty-five male Wistar rats (100 - 160) g, Rattus norvegicus strain, were randomly distributed into five different groups, each containing five animals. The animals were grouped as follows. Group A (control group) received distilled water, and group B received 6.5 mg/kg body weight of cadmium chloride. Groups C, D, and E received 6.5 mg/kg body weight of cadmium chloride each together with 50 mg/kg, 100 mg/kg, and 200 mg/kg body weight of aqueous extract of Agnus castus, respectively. The administration was done by oral gavage, once daily for 21 days. The animals were finally sacrificed on day 22. The serum was collected, and the testis was excised for testicular function indices, hormonal assays, and antioxidant activities. Results: Exposure to cadmium chloride caused a significant reduction (P < 0.05) in the weight of the testes and antioxidant enzymes (catalase, superoxide dismutase, and reduced glutathione) compared to the control group. However, co-treatment with cadmium chloride and Agnus castus leaves resulted in the amelioration of cadmium-induced reduction in testicular weight and antioxidant enzymes. Exposure to cadmium chloride caused a significant decrease in testosterone, follicle-stimulating hormone, and luteinizing hormone when compared to the control group. Co-treatment with cadmium chloride and Agnus castus increased the levels of glycogen, testosterone, follicle-stimulating hormone, and luteinizing hormone in the rats’ testes. Conclusions: The aqueous leaf extract of Agnus castus displayed a protective role in testicular function and antioxidants in Wistar rats against cadmium chloride toxicity, compared to control rats that received distilled water only.
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Female Fertility and Environmental Pollution. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17238802. [PMID: 33256215 PMCID: PMC7730072 DOI: 10.3390/ijerph17238802] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/19/2020] [Accepted: 11/24/2020] [Indexed: 12/11/2022]
Abstract
A realistic picture of our world shows that it is heavily polluted everywhere. Coastal regions and oceans are polluted by farm fertilizer, manure runoff, sewage and industrial discharges, and large isles of waste plastic are floating around, impacting sea life. Terrestrial ecosystems are contaminated by heavy metals and organic chemicals that can be taken up by and accumulate in crop plants, and water tables are heavily contaminated by untreated industrial discharges. As deadly particulates can drift far, poor air quality has become a significant global problem and one that is not exclusive to major industrialized cities. The consequences are a dramatic impairment of our ecosystem and biodiversity and increases in degenerative or man-made diseases. In this respect, it has been demonstrated that environmental pollution impairs fertility in all mammalian species. The worst consequences are observed for females since the number of germ cells present in the ovary is fixed during fetal life, and the cells are not renewable. This means that any pollutant affecting hormonal homeostasis and/or the reproductive apparatus inevitably harms reproductive performance. This decline will have important social and economic consequences that can no longer be overlooked.
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Obiyo GE, Ogunsuyi OM, Akindele O A. Evaluation of long-term dermal exposure to soil contaminated with spent engine oil in male Wistar rats: An experimental approach. Toxicol Ind Health 2020; 36:979-994. [PMID: 33108250 DOI: 10.1177/0748233720968466] [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: 11/16/2022]
Abstract
Continuous occupational exposure to spent engine oil (SEO) poses physiological risks to humans, especially to automobile mechanics. This study investigated the physiological effects of SEO-contaminated soil in a male Wistar rat model. Animals were dermally exposed to soil contaminated with SEO for 120 consecutive days and compared with rats exposed to uncontaminated soil (negative control). Heavy metal (lead (Pb), nickel (Ni), zinc, and cadmium (Cd)) accumulations, hematology, biochemical (aspartate aminotransferase (AST), alanine aminotransferase, alkaline phosphatase (ALP), urea, and creatinine) parameters, sperm morphology, and histopathology (liver, kidney, lungs, brain, skin, and testis) were evaluated as end points. Results revealed that the heavy metals in SEO-contaminated soil are far greater than the World Health Organisation permissible limits, with significant (p < 0.05) increases of Pb and Ni present in the brain, and Pb and Cd in the serum compared with the uncontaminated soil for the negative control. Only significant (p < 0.05) values were observed in the lymphocytes, activities of AST and ALP, and sperm abnormalities of the exposed rats compared with those used for the negative control. Histopathological changes were not evident in the brain but lesions were observed in the liver, kidney, lungs, skin, and testis of the exposed rats. Results herein suggest that the constituents of SEO may elicit harmful physiological changes to humans who are directly exposed to them.
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Affiliation(s)
- Grace E Obiyo
- Ecology and Environmental Unit, Department of Zoology, 58987University of Ibadan, Oyo State, Nigeria
| | - Opeoluwa M Ogunsuyi
- Cell Biology and Genetics Unit, 58987University of Ibadan, Oyo State, Nigeria
| | - Adeyi Akindele O
- Animal Physiology Unit, Department of Zoology, 58987University of Ibadan, Ibadan, Oyo State, Nigeria
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Ruslee SS, Zaid SSM, Bakrin IH, Goh YM, Mustapha NM. Protective effect of Tualang honey against cadmium-induced morphological abnormalities and oxidative stress in the ovary of rats. BMC Complement Med Ther 2020; 20:160. [PMID: 32471398 PMCID: PMC7260854 DOI: 10.1186/s12906-020-02960-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 05/19/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND To investigate the protective effects of Tualang honey against the toxicity effects induced by cadmium (Cd) on the ovary. METHODS A total of 32 female Sprague Dawley rats were taken and randomly divided into four groups (n = 8). Throughout the experimental period of 6 weeks, negative control-NC (vehicle deionized water), positive control-CD (Cd at 5 mg/kg), Tualang honey followed by Cd exposure-TH (Tualang honey at 200 mg/kg and Cd at 5 mg/kg) and Tualang honey control-THC (Tualang honey at 200 mg/kg) groups, were administered orally on a daily basis. RESULTS Rats exposed to Cd were significantly higher in ovarian weight, number of antral and atretic follicles as compared to the NC group. The disruptive effects of Cd on ovarian follicles were associated with a disruption in gonadotropin hormones and decreases in follicular stimulating hormone (FSH) and luteinizing hormone (LH). Moreover, a significant formation of oxidative stress in ovarian Cd-exposed rats has been proven by increasing the level of lipid peroxidation products (malondialdehyde) and decreasing the levels of enzymatic antioxidant (catalase). Interestingly, a daily supplementation of high antioxidant agents such as Tualang honey in these animals, caused significant improvements in the histological changes. Additionally, less atretic follicles were observed, restoring the normal level of LH and FSH (P < 0.001), and normalizing the ovarian malondialdehyde (P < 0.05) and catalase levels in comparison with CD group (P < 0.05). CONCLUSIONS Tualang honey has protective effects against Cd-induced ovarian toxicity by reducing morphological abnormalities, restoring the normal levels of gonadotropin hormones and stabilizing equilibrium levels of lipid peroxidation and antioxidant enzyme in ovaries of rats.
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Affiliation(s)
- Siti Suraya Ruslee
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Siti Sarah Mohamad Zaid
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - Ikmal Hisyam Bakrin
- Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Yong Meng Goh
- Department of Veterinary Preclinical Science, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Noordin Mohamed Mustapha
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
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Kumar S, Sharma A. Cadmium toxicity: effects on human reproduction and fertility. REVIEWS ON ENVIRONMENTAL HEALTH 2019; 34:327-338. [PMID: 31129655 DOI: 10.1515/reveh-2019-0016] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 04/22/2019] [Indexed: 06/09/2023]
Abstract
Background Cadmium (Cd) is a non-essential toxic heavy metal, an environmental toxicant, and toxic at a low concentration, and it has no known beneficial role in the human body. Its exposure induces various health impairments including hostile reproductive health. Objective The present review discusses the information on exposure to Cd and human reproductive health impairments including pregnancy or its outcome with respect to environmental and occupational exposure. Methods The present review provides current information on the reproductive toxic potential of Cd in humans. The data were collected using various websites and consulting books, reports, etc. We have included recent data which were published from 2000 onward in this review. Results Cd exposure affects human male reproductive organs/system and deteriorates spermatogenesis, semen quality especially sperm motility and hormonal synthesis/release. Based on experimental and human studies, it also impairs female reproduction and reproductive hormonal balance and affects menstrual cycles. Based on the literature, it might be concluded that exposure to Cd at low doses has adverse effects on both human male and female reproduction and affects pregnancy or its outcome. Further, maternal prenatal Cd exposure might have a differential effect on male and female offspring especially affecting more female offspring. Hence, efforts must be made to prevent exposure to Cd. Conclusion Cd affects both male and female reproduction, impairs hormone synthesis/regulation and deteriorates pregnancy rate or its outcome even at lower doses.
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Affiliation(s)
- Sunil Kumar
- Retd, Former, Director-in-Charge, Scientist 'G', NIOH, A-10, Radhey Kunj Apartment, B/H Circuit House, Shahi Baugh, Ahmedabad, 380004, India
- ICMR - National Institute of Occupational Health, Ahmedabad, 380016, India
| | - Anupama Sharma
- ICMR - National Institute of Occupational Health, Ahmedabad, 380016, India
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