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Mojapelo M, van Ryssen J, Lehloenya K. Selenium supplementation reduces induced stress, enhances semen quality and reproductive hormones in Saanen bucks. Small Rumin Res 2021. [DOI: 10.1016/j.smallrumres.2021.106443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Kaur S, Saluja M, Aniqa A, Sadwal S. Selenium attenuates bisphenol A incurred damage and apoptosis in mice testes by regulating mitogen-activated protein kinase signalling. Andrologia 2021; 53:e13975. [PMID: 33438769 DOI: 10.1111/and.13975] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/12/2020] [Accepted: 01/01/2021] [Indexed: 12/19/2022] Open
Abstract
Being a vital micronutrient, along with a trace element, selenium (Se) protects the cells from oxidative stress (OS) in the form of selenoproteins. Bisphenol A (BPA) is a xeno-oestrogenic compound that adversely affects the spermatogenesis process by inducing oxidative stress, which ultimately leads to male infertility. Therefore, it is hypothesised that Se could protect against BPA-induced OS, and further germ cell death by modifying mitogen-activated protein kinase (MAPK) signalling. Male Balb/c mice were divided into four groups: Group I (C) (0.2 ppm Se), Group II (Se) (0.5 ppm Se), Group III (BPA) (0.2 ppm Se, and BPA = 1 mg/kg orally) and Group IV (Se + BPA) (0.5 ppm Se, and BPA = 1 mg/kg bodyweight orally). Results indicated that BPA-treated animals demonstrated a marked decrease in antioxidant enzyme activities (superoxide dismutase, catalase, redox ratio), a marked elevation in the expressions of stress-activated kinases (c-Jun NH2-terminal kinase (JNK), extracellular signal-regulated kinase (ERK) and p38) and the expressions of pro-apoptotic markers (caspase-9, caspase-8 and caspase-3). However, Se supplementation considerably restored the antioxidant enzyme activities and lowered the expressions of stress-activated kinases, which further down-regulated the apoptosis. Thus, Se supplementation demonstrated to be effective against BPA provoked testicular damage.
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Affiliation(s)
- Sarvnarinder Kaur
- Basic Medical Sciences (BMS) Block-2, Department of Biophysics, Panjab University, Chandigarh, India
| | - Muskaan Saluja
- Basic Medical Sciences (BMS) Block-2, Department of Biophysics, Panjab University, Chandigarh, India
| | - Aniqa Aniqa
- Basic Medical Sciences (BMS) Block-2, Department of Biophysics, Panjab University, Chandigarh, India
| | - Shilpa Sadwal
- Basic Medical Sciences (BMS) Block-2, Department of Biophysics, Panjab University, Chandigarh, India
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Hamza RZ, Diab AEAA. Testicular protective and antioxidant effects of selenium nanoparticles on Monosodium glutamate-induced testicular structure alterations in male mice. Toxicol Rep 2020; 7:254-260. [PMID: 32025501 PMCID: PMC6997510 DOI: 10.1016/j.toxrep.2020.01.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 01/24/2020] [Accepted: 01/26/2020] [Indexed: 12/13/2022] Open
Abstract
Background Selenium has a protective antioxidant effect on several tissues. Monosodium glutamate (MSG), MSG has been known as flavor enhancer that influences reversely on male reproductive systems and having a number of side effects, including reproductive toxicity. Objectives The current study aims to evaluate the possible ameliorative functions of selenium nanoparticles (SeNPs) on MSG-induced reproductive toxicity. Materials and methods In total, 42 male mice included in this study were divided into six groups: control, MSG (LD), MSG (HD), SeNPs, MSG (LD) plus SeNPs and finally MSG (HD) plus SeNPs. Testosterone hormone, tumor necrosis factor-alpha (TNF-α), as well as the antioxidant biomarkers: superoxide dismutase [SOD], glutathione peroxidase [GPx], catalase [CAT] and marker of lipid peroxidation [MDA], were examined. Histological and comet assay variations in the testicular tissues as markers of testicular damage after the MSG administration in two doses (MSG-LD and MSG-HD) either alone or combined with SeNPs.MSG in two doses (LD and HD) genotoxic effects were also evaluated and the ameliorative role of SeNPs on the testicular tissues were recorded. Results Results proved that the administration of SeNPs diminished the effect of MSG (LD and HD)-that induced decrease in testosterone hormone levels and elevated oxidative stress markers markedly. SeNPs had a potent antioxidant effect and elevated the antioxidant enzymes significantly and decreased lipid peroxidation markers as compared with MSG either (LD and HD) groups. Conclusion It is clear from the data that SeNPs inhibit testicular injury and improve the antioxidant state in male mice.
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Affiliation(s)
- Reham Z Hamza
- Biology Department, Faculty of Science, Taif University, Taif, Saudi Arabia.,Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Abd El-Aziz A Diab
- Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
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Ozer Kaya S, Gur S, Erisir M, Kandemir FM, Benzer F, Kaya E, Turk G, Sonmez M. Influence of vitamin E and vitamin E‐selenium combination on arginase activity, nitric oxide level and some spermatological properties in ram semen. Reprod Domest Anim 2019; 55:162-169. [DOI: 10.1111/rda.13601] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/03/2019] [Indexed: 11/26/2022]
Affiliation(s)
- Seyma Ozer Kaya
- Department of Reproduction and Artificial Insemination Faculty of Veterinary Medicine Fırat University Elazig Turkey
| | - Seyfettin Gur
- Department of Reproduction and Artificial Insemination Faculty of Veterinary Medicine Fırat University Elazig Turkey
| | - Mine Erisir
- Department of Biochemistry Faculty of Veterinary Medicine Fırat University Elazig Turkey
| | - Fatih Mehmet Kandemir
- Department of Biochemistry Faculty of Veterinary Medicine Ataturk University Erzurum Turkey
| | - Fulya Benzer
- Department of Food Engineering Faculty of Engineering Munzur University Tunceli Turkey
| | - Emre Kaya
- Department of Biochemistry Faculty of Veterinary Medicine Fırat University Elazig Turkey
| | - Gaffari Turk
- Department of Reproduction and Artificial Insemination Faculty of Veterinary Medicine Fırat University Elazig Turkey
| | - Mustafa Sonmez
- Department of Reproduction and Artificial Insemination Faculty of Veterinary Medicine Fırat University Elazig Turkey
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Qazi IH, Angel C, Yang H, Zoidis E, Pan B, Wu Z, Ming Z, Zeng CJ, Meng Q, Han H, Zhou G. Role of Selenium and Selenoproteins in Male Reproductive Function: A Review of Past and Present Evidences. Antioxidants (Basel) 2019; 8:E268. [PMID: 31382427 PMCID: PMC6719970 DOI: 10.3390/antiox8080268] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 07/23/2019] [Indexed: 12/15/2022] Open
Abstract
Selenium (Se) is an important trace mineral having many essential roles at the cellular and organismal levels in animal and human health. The biological effects of Se are mainly carried out by selenoproteins (encoded by 25 genes in humans and 24 in mice). As an essential component of selenoproteins, Se performs structural and enzymic roles; in the latter context it is well known for its catalytic and antioxidative functions. Studies involving different animal models have added great value to our understanding regarding the potential implications of Se and selenoproteins in mammalian fertility and reproduction. In this review, we highlight the implications of selenoproteins in male fertility and reproduction followed by the characteristic biological functions of Se and selenoproteins associated with overall male reproductive function. It is evident from observations of past studies (both animal and human) that Se is essentially required for spermatogenesis and male fertility, presumably because of its vital role in modulation of antioxidant defense mechanisms and other essential biological pathways and redox sensitive transcription factors. However, bearing in mind the evidences from mainstream literature, it is also advisable to perform more studies focusing on the elucidation of additional roles played by the peculiar and canonical selenoproteins i.e., glutathione peroxidase 4 (GPX4) and selenoprotein P (SELENOP) in the male reproductive functions. Nevertheless, search for the elucidation of additional putative mechanisms potentially modulated by other biologically relevant selenoproteins should also be included in the scope of future studies. However, as for the implication of Se in fertility and reproduction in men, though a few clinical trials explore the effects of Se supplementation on male fertility, due to inconsistencies in the recruitment of subjects and heterogeneity of designs, the comparison of such studies is still complicated and less clear. Therefore, further research focused on the roles of Se and selenoproteins is awaited for validating the evidences at hand and outlining any therapeutic schemes intended for improving male fertility. As such, new dimensions could be added to the subject of male fertility and Se supplementation.
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Affiliation(s)
- Izhar Hyder Qazi
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
- Department of Veterinary Anatomy & Histology, Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand-67210, Sindh, Pakistan
| | - Christiana Angel
- Department of Veterinary Parasitology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Department of Veterinary Parasitology, Faculty of Veterinary Sciences, Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand-67210, Sindh, Pakistan
| | - Haoxuan Yang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Evangelos Zoidis
- Department of Nutritional Physiology and Feeding, Faculty of Animal Science and Aquaculture, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Bo Pan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhenzheng Wu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhang Ming
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Chang-Jun Zeng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Qingyong Meng
- State Key Laboratory of AgroBiotechnology, China Agricultural University, Beijing 100193, China
| | - Hongbing Han
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
| | - Guangbin Zhou
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.
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Effect of selenium supplementation on attainment of puberty in Saanen male goat kids. Theriogenology 2019; 138:9-15. [PMID: 31279051 DOI: 10.1016/j.theriogenology.2019.06.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 06/28/2019] [Accepted: 06/28/2019] [Indexed: 11/22/2022]
Abstract
The aim of the study was to evaluate the effect on selenium supplementation on attainment of puberty in Saanen male goat kids. Forty Saanen male goats kids were divided into two groups: selenium supplemented (n = 20) and control (n = 20). The treatment group received sodium selenite at a ninety days interval for an experimental period of 150 days. All experimental Saanen male goat kids were fed Lucerne hay deficient in selenium. The development of the reproductive functions of the male goat kids was monitored until puberty. At the age of 5.5 months motile spermatozoa were collected from 65% of the supplemented group compared to 35% of the control. At 140 days following supplementation the treated group showed significantly higher semen volume per ejaculate and improved semen quality in the form of improved spermatozoa motility and concentration and a decreased percentage of dead spermatozoa, spermatozoa abnormalities and acrosome damage compared to the control. Supplementation with selenium significantly (P < 0.05) improved body weight, testicular measurements and decreased age at puberty. Selenium supplementation also led to higher (P < 0.05) LH and testosterone concentrations. It is concluded that selenium supplementation hastened age at attainment of puberty to 5.5 months in male Saanen kids as the control group attained puberty at 6 months. It also improved semen quality and reproductive hormones concentration of Saanen kids.
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Li Q, Chen G, Wang W, Zhang W, Ding Y, Zhao T, Li F, Mao G, Feng W, Wang Q, Yang L, Wu X. A novel Se-polysaccharide from Se-enriched G. frondosa protects against immunosuppression and low Se status in Se-deficient mice. Int J Biol Macromol 2018; 117:878-889. [DOI: 10.1016/j.ijbiomac.2018.05.180] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/21/2018] [Accepted: 05/24/2018] [Indexed: 10/16/2022]
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Domosławska A, Zdunczyk S, Franczyk M, Kankofer M, Janowski T. Selenium and vitamin E supplementation enhances the antioxidant status of spermatozoa and improves semen quality in male dogs with lowered fertility. Andrologia 2018; 50:e13023. [PMID: 29744899 DOI: 10.1111/and.13023] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2018] [Indexed: 11/29/2022] Open
Abstract
Studies showed a beneficial effect of supplementation with selenium (Se) and vitamin E on semen quality. The aim of the study was to investigate the effect of Se and vitamin E supplementation on the antioxidant status of spermatozoa and semen quality in dogs with lowered fertility. Ten dogs were supplemented daily with Se (6 μg/kg organic Se yeast) and vitamin E (5 mg/kg) per os for 60 days. Control group consisted of 10 males without the supplementation. Semen was collected on day 0, 30, 60 and 90. Sperm quality parameters were evaluated using CASA and a microscope. Concentrations of Se and vitamin E in blood as well as glutathione peroxidase (GSH-Px) activity and total antioxidant capacity (TAC) in the spermatozoa were determined. After 60 days of supplementation the concentration of spermatozoa, the majority of motility indicators and the percentage of normal morphology and live spermatozoa increased significantly (p < .05). An increase (p < .05) in concentration of Se and vitamin E in blood and GSH-Px-activity and TAC in the spermatozoa was detected. The study results indicate that Se and vitamin E supplementation for 60 days enhances the antioxidant status of spermatozoa and improves the quality of the semen in dogs with lowered fertility.
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Affiliation(s)
- A Domosławska
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - S Zdunczyk
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - M Franczyk
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - M Kankofer
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - T Janowski
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
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Shi L, Ren Y, Zhang C, Yue W, Lei F. Effects of organic selenium (Se-enriched yeast) supplementation in gestation diet on antioxidant status, hormone profile and haemato-biochemical parameters in Taihang Black Goats. Anim Feed Sci Technol 2018. [DOI: 10.1016/j.anifeedsci.2018.02.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Selenylation modification: enhancement of the antioxidant activity of a Glycyrrhiza uralensis polysaccharide. Glycoconj J 2018; 35:243-253. [DOI: 10.1007/s10719-018-9817-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 01/29/2018] [Accepted: 02/11/2018] [Indexed: 01/04/2023]
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Ghorbani A, Moeini MM, Souri M, Hajarian H. Influences of dietary selenium, zinc and their combination on semen characteristics and testosterone concentration in mature rams during breeding season. JOURNAL OF APPLIED ANIMAL RESEARCH 2017. [DOI: 10.1080/09712119.2017.1406858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ahad Ghorbani
- Department of Animal Sciences, Faculty of Agriculture, Razi university, Kermanshah, Iran
| | - Mohammad Mehdi Moeini
- Department of Animal Sciences, Faculty of Agriculture, Razi university, Kermanshah, Iran
| | - Manochehr Souri
- Department of Animal Sciences, Faculty of Agriculture, Razi university, Kermanshah, Iran
| | - Hadi Hajarian
- Department of Animal Sciences, Faculty of Agriculture, Razi university, Kermanshah, Iran
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Shi L, Song R, Yao X, Ren Y. Effects of selenium on the proliferation, apoptosis and testosterone production of sheep Leydig cells in vitro. Theriogenology 2017; 93:24-32. [DOI: 10.1016/j.theriogenology.2017.01.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 01/07/2017] [Accepted: 01/11/2017] [Indexed: 12/11/2022]
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Huang Y, Li W, Xu D, Li B, Tian Y, Zan L. Effect of Dietary Selenium Deficiency on the Cell Apoptosis and the Level of Thyroid Hormones in Chicken. Biol Trace Elem Res 2016; 171:445-452. [PMID: 26507440 DOI: 10.1007/s12011-015-0534-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/07/2015] [Indexed: 10/22/2022]
Abstract
This study assessed the effect of dietary selenium (Se) deficiency on male reproductive function in chicken. A total of 180 Hy-line laying cocks (1 day old; Weiwei) were randomly divided into 2 groups (n = 90) of Se-deficient chickens and control chickens. The control group was fed a basic diet (containing 0.15 mg of Se/kg). The Se-deficient group was fed a Se-deficient corn-soy basal diet (containing 0.033 mg of Se/kg). Fifteen chickens were killed in each group on days 30, 60, and 90, respectively. Then, serum and testes were collected and used in the detection of experimental index. Results indicated that GSH-Px activity and Bcl-2 mRNA level in the testes and thyroidal triiodothyronine (T3) and free triiodothyronine (FT3) levels in serum by dietary Se deficiency were significantly decreased compared to the corresponding control groups. Se deficiency-treated group showed a significant increase in MDA concent, TUNEL-positive cells, and mRNA level of Bax, Caspase3, and p53 in the testes and thyroidal thyroxine (T4), free thyroxine (FT4), and thyroid-stimulating hormone (TSH) levels in serum. Histopathologically, Se deficiency caused impairments in the testes. These results suggested that dietary Se deficiency exerts significant harmful effects on male reproductive organ and that the intrinsic and extrinsic pathways and the upstream regulators such as p53, Bax, and Bcl-2 were all involved in Se deficiency-induced testicular apoptosis.
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Affiliation(s)
- Yunmao Huang
- College of Animal Science and Technology, Northwest A & F University, 22 Xinong Rd, Yangling, 712100, China
- Waterfowl Healthy Breeding Engineering Research Center of Guangdong Higher Education Institutes, Guangzhou, 510225, China
| | - Wanyan Li
- College of Animal Science, South China Agricultural University, Guangzhou, 510640, China
| | - Danning Xu
- Waterfowl Healthy Breeding Engineering Research Center of Guangdong Higher Education Institutes, Guangzhou, 510225, China
| | - Bingxin Li
- Waterfowl Healthy Breeding Engineering Research Center of Guangdong Higher Education Institutes, Guangzhou, 510225, China
| | - Yunbo Tian
- Waterfowl Healthy Breeding Engineering Research Center of Guangdong Higher Education Institutes, Guangzhou, 510225, China.
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A & F University, 22 Xinong Rd, Yangling, 712100, China.
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Rungsung S, Khan AM, Sood NK, Rampal S, Singh Saini SP. Evaluation of ameliorative potential of supranutritional selenium on enrofloxacin-induced testicular toxicity. Chem Biol Interact 2016; 252:87-92. [DOI: 10.1016/j.cbi.2016.04.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 03/22/2016] [Accepted: 04/11/2016] [Indexed: 11/16/2022]
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Kumar P, Yadav B, Yadav S. Effect of zinc and selenium supplementation on antioxidative status of seminal plasma and testosterone, T4and T3level in goat blood serum. JOURNAL OF APPLIED ANIMAL RESEARCH 2013. [DOI: 10.1080/09712119.2013.783482] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Ebeid T. Vitamin E and organic selenium enhances the antioxidative status and quality of chicken semen under high ambient temperature. Br Poult Sci 2012; 53:708-14. [DOI: 10.1080/00071668.2012.722192] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Oda SS, El-Maddawy ZK. Protective effect of vitamin E and selenium combination on deltamethrin-induced reproductive toxicity in male rats. ACTA ACUST UNITED AC 2011; 64:813-9. [PMID: 21478004 DOI: 10.1016/j.etp.2011.03.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2010] [Accepted: 03/07/2011] [Indexed: 11/29/2022]
Abstract
The current study was performed to assess the adverse effect of deltamethrin (DLM) on reproductive organs and fertility in male rats and to evaluate the protective role of vitamin E (VE) and selenium (Se) combination in alleviating the detrimental effect of DLM on male fertility. The lethal dose 50 (LD(50)) of DLM for male rats was estimated at 6 mg/kg bwt. Thirty male albino rats (10-weeks-old) were divided into three groups (10 rats each): Control group was injected subcutaneously with 2 ml/kg bwt saline twice weekly and was daily administered 2 ml distilled water intra-gastrically; DLM-treated group received 0.6 mg/kg bwt (1/10 LD(50)) DLM intra-gastrically once daily; DLM+VE/Se-treated group was injected subcutaneously with 1.2 mg/kg bwt Viteselen(®)15 (VE/Se) twice weekly with concurrent daily administration of 0.6 mg/kg bwt (1/10 LD(50)) DLM intra-gastrically. The experiment was conducted for 60 consecutive days. DLM caused a significant reduction in reproductive organs weights, sperm count, sperm motility percent, alive sperm percent, serum testosterone level and testicular reduced glutathione concentration (GSH). DLM-treated group showed a significant increase in sperm abnormalities and testicular malondialdehyde (MDA) concentrations. Histopathologically, DLM caused impairments in testes, epididymes and accessory sex glands. Conversely, treatment with VE/Se combination improved the reduction in the reproductive organs weights, sperm characteristics, DLM-induced oxidative damage of testes and the histopathological alterations of reproductive organs. Results indicate that DLM exerts significant harmful effects on male reproductive system and that the concurrent administration of VE/Se partly reduced the detrimental effects of DLM on male fertility.
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Affiliation(s)
- Samah S Oda
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Alexandria University, Edfina, Rashid, Behera, Egypt.
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Dietary supplementation with selenium and vitamin E improves milk yield, composition and rheological properties of dairy Jonica goats. J DAIRY RES 2011; 78:144-8. [PMID: 21262080 DOI: 10.1017/s0022029910000907] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The objective of this study was to evaluate the effect of dietary supplementation with selenium (Se) and vitamin E (VitE) on milk yield, composition and renneting parameters in dairy Jonica breed goats. Forty multiparous lactating goats fed the same basal diet were randomly allocated to 1 of 2 dietary treatments: for 135 days, the experimental period. Basal diet was composed by ad libitum mixed vetch-oat hay and a definite amount of a pelleted concentrate. Dietary treatments included: (1) the control diet containing background Se and VitE only, and (2) the experimental diet containing sodium selenite as the Se supplement in concentrate (0.20 mg/head per day of Na-selenite and 20 mg/day per head of VitE). During the trial, no significant differences (P>0.05) were registered in dry matter intake and body weight gain among groups. Goats fed Se-VitE diet showed the highest milk production (P<0.05), and fat (P<0.01) and protein (P<0.05) yields and percentages. Somatic cell count were significantly lower in Se-VitE diet compared with control group (P<0.05). Significant differences (P<0.05) were observed in milk renneting properties. Based on our results, it was concluded that dietary supplementation with SE and VitE led to an increase of milk production and quality in Jonica goat, with positively improvement in milk coagulation aptitude.
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