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Sahoo DK, Chainy GBN. Hormone-linked redox status and its modulation by antioxidants. VITAMINS AND HORMONES 2023; 121:197-246. [PMID: 36707135 DOI: 10.1016/bs.vh.2022.10.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Hormones have been considered as key factors involved in the maintenance of the redox status of the body. We are making considerable progress in understanding interactions between the endocrine system, redox status, and oxidative stress with the dynamics of life, which encompasses fertilization, development, growth, aging, and various pathophysiological states. One of the reasons for changes in redox states of vertebrates leading to oxidative stress scenario is the disruption of the endocrine system. Comprehending the dynamics of hormonal status to redox state and oxidative stress in living systems is challenging. It is more difficult to come to a unifying conclusion when some hormones exhibit oxidant properties while others have antioxidant features. There is a very limited approach to correlate alteration in titers of hormones with redox status and oxidative stress with growth, development, aging, and pathophysiological stress. The situation is further complicated when considering various tissues and sexes in vertebrates. This chapter discusses the beneficial impacts of hormones with antioxidative properties, such as melatonin, glucagon, insulin, estrogens, and progesterone, which protect cells from oxidative damage and reduce pathophysiological effects. Additionally, we discuss the protective effects of antioxidants like vitamins A, E, and C, curcumin, tempol, N-acetyl cysteine, α-lipoic acid, date palm pollen extract, resveratrol, and flavonoids on oxidative stress triggered by hormones such as aldosterone, glucocorticoids, thyroid hormones, and catecholamines. Inflammation, pathophysiology, and the aging process can all be controlled by understanding how antioxidants and hormones operate together to maintain cellular redox status. Identifying the hormonal changes and the action of antioxidants may help in developing new therapeutic strategies for hormonal imbalance-related disorders.
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Affiliation(s)
- Dipak Kumar Sahoo
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa States University, Ames, IA, United States.
| | - Gagan B N Chainy
- Department of Biotechnology, Utkal University, Bhubaneswar, Odisha, India
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Ruiz-Valderrama L, Posadas-Rodríguez J, Bonilla-Jaime H, Tarragó-Castellanos MDR, González-Márquez H, Arrieta-Cruz I, González-Núñez L, Salame-Méndez A, Rodríguez-Tobón A, Morales-Méndez JG, Arenas-Ríos E. Sperm Dysfunction in the Testes and Epididymides due to Overweight and Obesity Is Not Caused by Oxidative Stress. Int J Endocrinol 2022; 2022:3734572. [PMID: 36263361 PMCID: PMC9576436 DOI: 10.1155/2022/3734572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 08/03/2022] [Accepted: 08/11/2022] [Indexed: 12/08/2022] Open
Abstract
Obesity is a condition that has been linked to male infertility. The current hypothesis regarding the cause of infertility is that sperm are highly sensitive to reactive oxygen species (ROS) during spermatogenesis in the testes and transit through the epididymides, so the increase in ROS brought on by obesity could cause oxidative stress. The aim of this study was to evaluate whether the activity of the enzymes catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPX) is capable of counteracting oxidative stress in sperm. The male Wistar rat was used as an overweight and obesity model, and analysis of fertility in these groups was carried out including the control group. Serum testosterone levels were determined, and the scrotal fat, testes, and epididymides were extracted. The epididymides were separated ini0 3 principal parts (caput, corpus, and cauda) before evaluating sperm viability, sperm morphology, damage to desoxyribonucleic acid of the sperm, and ROS production. The protein content and specific activity of the three enzymes mentioned above were evaluated. Results showed a gain in body weight and scrotal fat in the overweight and obese groups with decreased parameters for serum testosterone levels and sperm viability and morphology. Fertility was not greatly affected and no DNA integrity damage was found, although ROS in the epididymal sperm increased markedly and Raman spectroscopy showed a disulfide bridge collapse associated with DNA. The specific activities of CAT and GPX increased in the overweight and obesity groups, but those of SOD did not change. The amounts of proteins in the testes and epididymides decreased. These findings confirm that overweight and obesity decrease concentrations of free testosterone and seem to decrease protein content, causing poor sperm quality. Implications. An increase in scrotal fat in these conditions fosters an increase of ROS, but the increase of GPX and CAT activity seems to avoid oxidative stress increase in the sperm without damaging your DNA.
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Affiliation(s)
- Lorena Ruiz-Valderrama
- Doctorado en Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Ciudad y Estado de México, Mexico
| | - Jaqueline Posadas-Rodríguez
- Maestría en Biología de la Reproducción Animal, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | - Herlinda Bonilla-Jaime
- Departamento de Biología de La Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | | | - Humberto González-Márquez
- Departamento de Ciencias de La Salud, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | - Isabel Arrieta-Cruz
- Departamento de Investigación Básica, Instituto Nacional de Geriatría, Ciudad de México 10200, Mexico
| | - Leticia González-Núñez
- Departamento de Biología de La Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | - Arturo Salame-Méndez
- Departamento de Biología de La Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | - Ahiezer Rodríguez-Tobón
- Departamento de Biología, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
| | | | - Edith Arenas-Ríos
- Departamento de Biología de La Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico
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Kafami M, Hosseini M, Niazmand S, Farrokhi E, Hajzadeh MAR, Nazemi S. The effects of estradiol and testosterone on renal tissues oxidative after central injection of angiotensin II in female doca - salt treated rats. Horm Mol Biol Clin Investig 2018; 37:/j/hmbci.ahead-of-print/hmbci-2018-0044/hmbci-2018-0044.xml. [PMID: 30398970 DOI: 10.1515/hmbci-2018-0044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 09/11/2018] [Indexed: 02/03/2023]
Abstract
Background Although numerous studies have proven that estrogen (Est) has a protective effect on the development of hypertension, more research needs to be done to show its detailed mechanism in a variety of hypertension. The important role of active oxygen species in blood pressure is well defined. We examined whether or not sex hormones change the growth of reactive oxygen species (ROS) in kidneys after central microinjection of angiotensin II (Ang II). Materials and methods Female Wistar rats, 8 weeks old (200 ± 10 g) were used in this study. The animal groups were (1) Sham, (2) Ovariectomy (OVX), (3) Sham-Hypertension (Sham-Hyper), (4) OVX-Hypertension (OVX-Hyper), (5) Sham-Hyper-Est, (6) OVX-Hyper-Est; (7) Sham-Hyper-Testosterone (Tst) and (8) OVX-Hyper-Tst. Solutions of 1% NaCl and 0.1 KCl were used and desoxycorticostrone (doca-salt) was injected (45 mg/kg) 3 times a week in Hypertension groups. Estradiol and Tst (2 mg/kg and 5 mg/kg; daily; subcutaneously) for 4 weeks. Ang II (50 μM, 5 μL) was microinjected by intracerebroventricular ( i.c.v.) infusion and malondialdehyde (MDA) and thiol in the kidneys were measured. Results MDA in the kidneys was increased by Ang II and doca-salt treatments. Both estradiol and Tst decreased the kidney's MDA. The level of thiol was higher in Hyper groups and reversed after treatment with estradiol and Tst. Conclusions Our findings suggest that central effect of Ang II on blood pressure and kidney disease is accompanied with increased levels of oxidative stress in the kidneys. Indeed sex hormones change the ROS level in the kidneys after central microinjection of Ang II..
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Affiliation(s)
- Marzieh Kafami
- Cellular and Molecular Research Center, Department of Physiology and Pharmacology, Faculty of Medicine, Sabzevar Universityof Medical Sciences, Sabzevar, Iran, Phone: 0098-051-4446070, Fax: 0098-051-4445648
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Niazmand
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Esmaeil Farrokhi
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mosa Al-Reza Hajzadeh
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Samad Nazemi
- Department of Physiology and Pharmacology, Faculty of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
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Nikray N, Karimi I, Siavashhaghighi Z, Becker LA, Mofatteh MM. An effort toward molecular biology of food deprivation induced food hoarding in gonadectomized NMRI mouse model: focus on neural oxidative status. BMC Neurosci 2018; 19:59. [PMID: 30249177 PMCID: PMC6154416 DOI: 10.1186/s12868-018-0461-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 09/20/2018] [Indexed: 12/03/2022] Open
Abstract
Background Environmental uncertainty, such as food deprivation, may alter internal milieu of nervous system through various mechanisms. In combination with circumstances of stress or aging, high consumption of unsaturated fatty acids and oxygen can make neural tissues sensitive to oxidative stress (OS). For adult rats, diminished level of gonadal steroid hormones accelerates OS and may result in special behavioral manifestations. This study was aimed to partially answer the question whether OS mediates trade-off between food hoarding and food intake (fat hoarding) in environmental uncertainty (e.g., fluctuations in food resource) within gonadectomized mouse model in the presence of food deprivation-induced food hoarding behavior. Results Hoarding behavior was not uniformly expressed in all male mice that exposed to food deprivation. Extended phenotypes including hoarder and non-hoarder mice stored higher and lower amounts of food respectively as compared to that of low-hoarder mice (normal phenotype) after food deprivation. Results showed that neural oxidative status was not changed in the presence of hoarding behavior in gonadectomized mice regardless of tissue type, however, glutathione levels of brain tissues were increased in the presence of hoarding behavior. Decreased superoxide dismutase activity in brain and spinal cord tissues and increased malondialdehyde in brain tissues of gonadectomized mice were also seen. Conclusions Although, food deprivation-induced hoarding behavior is a strategic response to food shortage in mice, it did not induce the same amount of hoarding across all colony mates. Hoarding behavior, in this case, is a response to the environmental uncertainty of food shortage, therefore is not an abnormal behavior. Hoarding behavior induced neural OS with regard to an increase in brain glutathione levels but failed to show other markers of neural OS. Decreased superoxide dismutase activity in brain and spinal cord tissues and increased malondialdehyde levels in brain tissues of gonadectomized mice could be a hallmark of debilitated antioxidative defense and more lipid peroxidation due to reduced amount of gonadal steroid hormones during aging.
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Affiliation(s)
- Noushin Nikray
- Laboratory of Molecular and Cellular Biology 1214, Department of Basic Veterinary Sciences, School of Veterinary Medicine, Razi University, Kermanshah, Iran
| | - Isaac Karimi
- Laboratory of Molecular and Cellular Biology 1214, Department of Basic Veterinary Sciences, School of Veterinary Medicine, Razi University, Kermanshah, Iran. .,Department of Biology, Faculty of Science, Razi University, Kermanshah, 67149-67346, Iran.
| | | | - Lora A Becker
- Department of Psychology, University of Evansville, Evansville, IN, 47722, USA
| | - Mohammad Mehdi Mofatteh
- Department of Accounting, School of Economics and Accounting, Islamic Azad University South Tehran Branch, Tehran, Iran
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Testosterone Upregulates the Expression of Mitochondrial ND1 and ND4 and Alleviates the Oxidative Damage to the Nigrostriatal Dopaminergic System in Orchiectomized Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:1202459. [PMID: 29138672 PMCID: PMC5613679 DOI: 10.1155/2017/1202459] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 08/01/2017] [Accepted: 08/07/2017] [Indexed: 11/17/2022]
Abstract
Testosterone deficiency, as a potential risk factor for aging and aging-related neurodegenerative disorders, might induce mitochondrial dysfunction and facilitate the declines of the nigrostriatal dopaminergic system by exacerbating the mitochondrial defects and increasing the oxidative damage. Thus, how testosterone levels influence the mitochondrial function in the substantia nigra was investigated in the study. The present studies showed that testosterone deficiency impaired the mitochondrial function in the substantia nigra and induced the oxidative damage to the substantia nigra as well as the deficits in the nigrostriatal dopaminergic system. Of four mitochondrial respiratory chain complexes, castration of male rats reduced the activity of mitochondrial complex I and downregulated the expression of ND1 and ND4 of 7 mitochondrial DNA- (mtDNA-) encoded subunits of complex I in the substantia nigra. Supplements of testosterone propionate to castrated male rats ameliorated the activity of mitochondrial complex I and upregulated the expression of mitochondrial ND1 and ND4. These results suggest an important role of testosterone in maintaining the mitochondrial function in the substantia nigra and the vulnerability of mitochondrial complex I to testosterone deficiency. Mitochondrial ND1 and ND4, as potential testosterone targets, were implicated in the oxidative damage to the nigrostriatal dopaminergic system.
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Choobineh H, Sadighi Gilani MA, Pasalar P, Jahanzad I, Ghorbani R, Hassanzadeh G. The Effects of Testosterone on Oxidative Stress Markers in Mice with Spinal Cord Injuries. INTERNATIONAL JOURNAL OF FERTILITY & STERILITY 2016; 10:87-93. [PMID: 27123205 PMCID: PMC4845534 DOI: 10.22074/ijfs.2016.4773] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 05/24/2015] [Indexed: 11/23/2022]
Abstract
Background Spinal cord injury (SCI) causes infertility in male patients through erectile dysfunction, ejaculatory dysfunction, semen and hormone abnormalities. Oxidative stress (OS) is
involved in poor semen quality and subsequent infertility in males with SCI. The aim of this
study is to examine the effects of SCI on the level of testosterone hormone. Materials and Methods In this experimental study, we evaluated the effects of exogenous testosterone on the activity of the antioxidant enzymes superoxide dismutase (SOD)
and glutathione peroxidase (GPx) as well as the levels of malondialdehyde (MDA) and
protein carbonylation (PCO), as markers of OS, in 10 groups of SCI mice. Total antioxidant capacity (TAC) was determined using the 2,29-azinobis-(3-ethylbenzothiazoline-
6-sulfonic acid) (ABTS) radical cation assay. Results Exogenous testosterone administration in mice with SCI significantly reduced SOD
and GPx enzyme activities and MDA level. There was no significant decrease in PCO content. In addition, TAC remarkably increased in the sham and SCI groups not treated with testosterone but remained unchanged in all other experimental groups. Exogenous testosterone
also reduced serum testosterone levels in all groups except the positive control group. Conclusion Our cumulative data indicated that SCI could cause sterility by disturbing
the plasmatic testosterone balance. The normal level of endogenous testosterone was not
completely restored by exogenous testosterone administration.
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Affiliation(s)
- Hamid Choobineh
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran; Zoonosis Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Parvin Pasalar
- Department of Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Issa Jahanzad
- Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Rostam Ghorbani
- Department of Anatomy, School of Medicine, Kermanshah University of Medical Science, Kermanshah, Iran
| | - Gholamreza Hassanzadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Zhang G, Li S, Kang Y, Che J, Cui R, Song S, Cui H, Shi G. Enhancement of dopaminergic activity and region-specific activation of Nrf2-ARE pathway by intranasal supplements of testosterone propionate in aged male rats. Horm Behav 2016; 80:103-116. [PMID: 26893122 DOI: 10.1016/j.yhbeh.2016.02.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 02/13/2016] [Accepted: 02/13/2016] [Indexed: 12/22/2022]
Abstract
UNLABELLED The potential influence of intranasal testosterone propionate (InTP) supplements on mesodopaminergic system in aged male rats was investigated by analyzing the exploratory and motor behaviors as well as dopamine neurobiochemical indices. Meanwhile, oxidative stress parameters and pathway of nuclear factor erythroid 2-related factor 2 (Nrf2)-binding antioxidant response elements (Nrf2-ARE) were examined to check whether the Nrf2-ARE pathway was involved in the InTP-induced alteration of mesodopaminergic system in aged male rats. The exploratory and motor behavioral deficits, as well as the reduced expression of dopamine, tyrosine hydroxylase, and dopamine transporter, which indicated the declined activity of mesodopaminergic system, were ameliorated in rats administered with 12-week InTP. The results indicated that chronic InTP supplements could effectively influence the brain function activity in a way opposite to the effect of aging on the mesodopaminergic system of rats. The increased levels of Nrf2, heme oxygenase-1, and NAD(P)H quinone oxidoreductase-1 in the substantia nigra and ventral tegmental area, but not in the hippocampus of InTP-administered aged male rats, indicated that the ameliorative effect of InTP supplements on mesodopaminergic system might be related to the region-specific activation of the Nrf2-ARE pathway.
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Affiliation(s)
- Guoliang Zhang
- Department of Neurobiology, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China; Department of Human Anatomy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Shuangcheng Li
- Department of Human Anatomy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Yunxiao Kang
- Department of Neurobiology, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Jing Che
- Department of Neurobiology, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China; Department of Neurology, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, PR China
| | - Rui Cui
- Department of Human Anatomy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Shuang Song
- Institute of Basic Medicine, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Huixian Cui
- Department of Human Anatomy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Geming Shi
- Department of Neurobiology, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China.
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Zhang L, Lei D, Zhu GP, Hong L, Wu SZ. Physiological testosterone retards cardiomyocyte aging in Tfm mice via androgen receptor-independent pathway. CHINESE MEDICAL SCIENCES JOURNAL = CHUNG-KUO I HSUEH K'O HSUEH TSA CHIH 2013; 28:88-94. [PMID: 23806370 DOI: 10.1016/s1001-9294(13)60028-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
OBJECTIVE To determine whether testosterone modulates markers of cardiomyocytes aging via its classic androgen receptor (AR)-dependent pathway or conversion to estradiol. METHODS Male littermates and testicular feminized (Tfm) mice were randomly separated into 4 experimental groups littermate controls (n=8), Tfm mice (n=7), testosterone-treated Tfm mice (n=8), and Tfm mice treated with testosterone in combination with the aromatase inhibitor anastrazole (n=7). Cardiomyocytes were isolated from mouse left ventricles, the activity of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px), and the amount of malondialdehyde (MDA) were measured using colorimetry method, and expression of p16(INK4α) and retinoblastoma (Rb) proteins were detected by Western blotting. RESULTS The SOD and GSH-Px enzyme activities of cardiomyocytes were decreased, and the MDA levels and the expression of p16(INK4α) and Rb proteins were increased in Tfm mice compared with control mice. An increase was observed in the activities of SOD and GSH-Px enzyme as well as a decrease in MDA levels and the expression of p16(INK4α) and Rb proteins in the testosterone-treated Tfm mice. After co-treatment with anastrazole in Tfm mice, these improvement were partly inhibited. CONCLUSION Physiological testosterone replacement can delay cardiomyocyte aging in Tfm mice, an effect that is independent of the AR pathway and in part conversion to estradiol.
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Affiliation(s)
- Li Zhang
- Department of Cardiology, First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
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Tóthová L, Celec P, Ostatníková D, Okuliarová M, Zeman M, Hodosy J. Effect of exogenous testosterone on oxidative status of the testes in adult male rats. Andrologia 2012; 45:417-23. [DOI: 10.1111/and.12032] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2012] [Indexed: 01/27/2023] Open
Affiliation(s)
- L. Tóthová
- Institute of Molecular Biomedicine; Comenius University; Bratislava Slovakia
| | - P. Celec
- Institute of Molecular Biomedicine; Comenius University; Bratislava Slovakia
- Department of Molecular Biology; Comenius University; Bratislava Slovakia
- Institute of Pathophysiology; Comenius University; Bratislava Slovakia
| | - D. Ostatníková
- Institute of Physiology; Comenius University; Bratislava Slovakia
| | - M. Okuliarová
- Department of Animal Physiology and Ethology; Comenius University; Bratislava Slovakia
| | - M. Zeman
- Department of Animal Physiology and Ethology; Comenius University; Bratislava Slovakia
| | - J. Hodosy
- Institute of Molecular Biomedicine; Comenius University; Bratislava Slovakia
- Institute of Physiology; Comenius University; Bratislava Slovakia
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Casagrande S, Costantini D, Groothuis TGG. Interaction between sexual steroids and immune response in affecting oxidative status of birds. Comp Biochem Physiol A Mol Integr Physiol 2012; 163:296-301. [PMID: 22885344 DOI: 10.1016/j.cbpa.2012.07.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 07/27/2012] [Accepted: 07/27/2012] [Indexed: 02/05/2023]
Abstract
One hypothesis explaining the honesty of secondary sexual traits regulated by testosterone (T) is that T can impair the balance between pro-oxidant compounds and antioxidant defences, favouring a status of oxidative stress that only good quality individuals can sustain (oxidative handicap hypothesis). In the present study, we evaluated for the first time the effects of sexual steroids, T and its metabolites 5-α-dihydrotestosterone (DHT) and estradiol (E2) on oxidative damage and plasma non-enzymatic antioxidant capacity, while birds are faced by an oxidative challenge induced by an immune stimulation with sheep red blood cells. We used male and female diamond doves Geopelia cuneata, a species that shows an orange-red periorbital ring, whose size and color are strongly affected by androgens, but not by estrogens. Immunization increased oxidative damage in all groups, regardless of hormone treatment. It also decreased anti-oxidant capacity in all groups, except for testosterone treated birds. The ratio of oxidative damage over anti-oxidant capacity (oxidative stress) was increased in both immunological challenged controls and E2 birds, while challenged birds treated with androgens did not differ from non-challenged birds. The response of males and females to our treatments never differed. Our results undermine the idea that T can induce honest signalling through a pro-oxidant activity.
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Affiliation(s)
- Stefania Casagrande
- Behavioural Biology, University of Groningen, P.O. Box 11103, 9747 AG, Groningen, The Netherlands.
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Differential effects of testosterone metabolites oestradiol and dihydrotestosterone on oxidative stress and carotenoid-dependent colour expression in a bird. Behav Ecol Sociobiol 2012. [DOI: 10.1007/s00265-012-1387-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Martins D, Lopes S, Mazzanti C, Spanevello R, Schmatz R, Corrêa M, Stefanello N, Schetinger M, Morsch V, Veiga A. Lipid peroxidation in rats treated with vincristine sulphate and nandrolone decanoate. ARQ BRAS MED VET ZOO 2011. [DOI: 10.1590/s0102-09352011000100017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Brain and serum lipid peroxidation was studied in rats treated with vincristine sulphate and different doses of nandrolone decanoate. Thirty rats were distributed into six groups (n=5). The treatments were applied once a week for two weeks. Sample collection was performed in the third week. Treatments during the first week were: G1 (control) - physiologic solution, G2 - vincristine sulphate (4mg/m²), G3 - physiologic solution, G4 - physiologic solution, G5- vincristine sulphate (4mg/m²), and G6 - vincristine sulphate (4mg/m²). In the second week, they were: G1 (control) - physiologic solution, G2- physiologic solution, G3 - nandrolone decanoate (1.8mg/kg-1), G4 - nandrolone decanoate (10mg/kg-1), G5 - nandrolone decanoate (1.8mg/kg-1), and G6 - nandrolone decanoate (10mg/kg-1). Lipid peroxidation increased with the isolated use of vincristine and nandrolone decanoate, and with vincristine associated to the highest dose of the ester as well. These results suggest that vincristine sulphate and nandrolone decanoate increase free radical production. Therapeutic dose of nandrolone decanoate when associated with vincristine sulphate proved to be beneficial, as it was able to protect the organism from damaging processes involved in free radical production
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Meydan S, Kus I, Tas U, Ogeturk M, Sancakdar E, Dabak DO, Zararsız I, Sarsılmaz M. Effects of testosterone on orchiectomy-induced oxidative damage in the rat hippocampus. J Chem Neuroanat 2010; 40:281-5. [PMID: 20696235 DOI: 10.1016/j.jchemneu.2010.07.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2010] [Revised: 07/08/2010] [Accepted: 07/29/2010] [Indexed: 10/19/2022]
Abstract
The aim of this study was to investigate the morphological changes of the hippocampus after orchiectomy and the protective effects of testosterone on these changes. Animals were divided into 3 groups. The rats in group I were used for sham-orchiectomy. Orchiectomy was performed on the rats in group II. The rats in group III were administrated testosterone propionate 0.5mg/kg/day for 30 days after the orchiectomy. Some of the hippocampal tissues were used for determination of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) enzyme activities, and malondialdehyde (MDA) levels. The remaining hippocampal tissue specimens were stained with routine histological methods and examined under the light microscope. Additionally, the samples were immunohistochemically stained by using avidin-biotin-peroxidase for determination of bax immunoreactivity. The SOD and GSH-Px enzyme activities of the hippocampus were decreased, and MDA levels were increased in group II rats compared to the sham-orchiectomy group. In the light microscopic evaluation of the tissue specimens from group II, significant increases were detected in the number of picnotic cells and in bax immunoreactivity compared to the sham-orchiectomy group. However, an increase was observed in activities of SOD and GSH-Px enzymes and a decrease of the MDA levels in animals with orchiectomy, but having externally administered testosterone. It was determined that the increase of bax immunoreactivity and histopathological changes in this group were regressed by testosterone. The results of our study revealed that orchiectomy-induced oxidative damage and morphological changes in the hippocampal tissue were suppressed by testosterone.
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Affiliation(s)
- Sedat Meydan
- Department of Anatomy, Mustafa Kemal University, Faculty of Medical, Hatay, Turkey
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Abstract
OBJECTIVES To investigate the protective role of steroid hormones on streptozotocin (STZ)-induced apoptosis in rat pancreatic beta cells. METHODS Two sets of experiments were performed. In the first, male rats were orchidectomized and substituted 72 hours later with testosterone, estradiol, or progesterone, and 24 hours later, administered with STZ. Subjects were killed 6 hours later, and apoptosis was determined in sections of the pancreas. In the second experiment, male or female rats were gonadectomized, were further substituted with testosterone, and then administered STZ. Six hours later, the animals were killed, and apoptosis, as well as immunoreactive expression of insulin, catalase, or Cu/Zn superoxide dismutase, was determined in sections of the pancreas. In addition, gonadectomized male or female subjects were substituted with testosterone and administered STZ, and 24 hours later, serum glucose and insulin were measured. RESULTS It was found that the cytoprotective effect was only shown in testosterone-treated male rats but not progesterone- or estradiol-treated male rats. In addition, the effect was seen in male rats but not in female rats, and there was an inverse correlation between apoptotic index and antioxidant enzyme immunoreactivity. CONCLUSIONS The cytoprotective effect of testosterone is sex specific and is related to the induction of antioxidant enzyme activities in pancreatic beta cells.
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Calderón GD, Bratoeff E, Ramírez LE, Osnaya BN, García AR, Barragán MG, Hernández GE, Juárez OH. Effects of two new steroids and cyproterone on some biomarkers of oxidative stress and serotonergic system on rat prostate and brain. Andrologia 2009; 41:29-34. [DOI: 10.1111/j.1439-0272.2008.00886.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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16
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Alonso-Alvarez C, Bertrand S, Faivre B, Chastel O, Sorci G. Testosterone and oxidative stress: the oxidation handicap hypothesis. Proc Biol Sci 2007; 274:819-25. [PMID: 17251089 PMCID: PMC2093982 DOI: 10.1098/rspb.2006.3764] [Citation(s) in RCA: 266] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Secondary sexual traits (SST) are usually thought to have evolved as honest signals of individual quality during mate choice. Honesty of SST is guaranteed by the cost of producing/maintaining them. In males, the expression of many SST is testosterone-dependent. The immunocompetence handicap hypothesis has been proposed as a possible mechanism ensuring honesty of SST on the basis that testosterone, in addition to its effect on sexual signals, also has an immunosuppressive effect. The immunocompetence handicap hypothesis has received mixed support. However, the cost of testosterone-based signalling is not limited to immunosuppression and might involve other physiological functions such as the antioxidant machinery. Here, we tested the hypothesis that testosterone depresses resistance to oxidative stress in a species with a testosterone-dependent sexual signal, the zebra finch. Male zebra finches received subcutaneous implants filled with flutamide (an anti-androgen) or testosterone, or kept empty (control). In agreement with the prediction, we found that red blood cell resistance to a free radical attack was the highest in males implanted with flutamide and the lowest in males implanted with testosterone. We also found that cell-mediated immune response was depressed in testosterone-treated birds, supporting the immunocompetence handicap hypothesis. The recent finding that red blood cell resistance to free radicals is negatively associated with mortality in this species suggests that benefits of sexual signalling might trade against the costs derived from oxidation.
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Affiliation(s)
- Carlos Alonso-Alvarez
- Laboratoire de Parasitologie Evolutive, Université Pierre et Marie Curie, CNRS-UMR 7103, 7 quai St Bernard, 75252 Paris Cedex 05, France.
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Túnez I, Feijóo M, Collado JA, Medina FJ, Peña J, Muñoz MDC, Jimena I, Franco F, Rueda I, Muntané J, Montilla P. Effect of testosterone on oxidative stress and cell damage induced by 3-nitropropionic acid in striatum of ovariectomized rats. Life Sci 2007; 80:1221-7. [PMID: 17266993 DOI: 10.1016/j.lfs.2006.12.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2006] [Revised: 10/02/2006] [Accepted: 12/14/2006] [Indexed: 11/30/2022]
Abstract
This paper evaluates the effects of testosterone (0.5 mg/kg subcutaneously (s.c.) for 8 days) on oxidative stress and cell damage induced by 3-nitropropionic acid (20 mg/kg intraperitoneally (i.p.) for 4 days) in ovariectomized rats. Gonadectomy triggered oxidative damage and cell loss, evaluated by the detection of caspase-3, whereas 3-nitropropionic acid increased the levels of oxidative stress induced by ovariectomy and prompted cell damage characterized by enhanced levels of lactate dehydrogenase. These changes were blocked by testosterone administration. Our results support the following conclusions: i) ovariectomy triggers oxidative and cell damage via caspase-3 in the striatum; ii) 3-nitropropionic acid exacerbates oxidative stress induced by ovariectomy and leads to cell damage characterized by increased levels of lactate dehydrogenase; iii) testosterone administration decreases oxidative stress and cell damage. Additionally, these data support the hypothesis that testosterone might play an important role in the onset and development of neurodegenerative diseases.
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Affiliation(s)
- Isaac Túnez
- Departamento de Bioquimica y Biologia Molecular, Facultad de Medicina, Universidad de Cordoba, Avda. Menendez Pidal s/n, 14004 Cordoba, Spain.
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