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Nascimento-Carvalho B, da Silva BD, da Silva MB, Dos-Santos A, Ribeiro TF, da Silva Dias D, de Souza LE, Dutra MRH, Catanozi S, Caldini EG, De Angelis K, Scapini KB, Sanches IC, Irigoyen MC. Aerobic exercise attenuates dysautonomia, cardiac diastolic dysfunctions, and hemodynamic overload in female mice with atherosclerosis. Sci Rep 2024; 14:7835. [PMID: 38570516 PMCID: PMC10991254 DOI: 10.1038/s41598-024-52883-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/23/2024] [Indexed: 04/05/2024] Open
Abstract
Cardiovascular risk increases during the aging process in women with atherosclerosis and exercise training is a strategy for management of cardiac risks in at-risk populations. Therefore, the aims of this study were to evaluate: (1) the influence of the aging process on cardiac function, hemodynamics, cardiovascular autonomic modulation, and baroreflex sensitivity in females with atherosclerosis at the onset of reproductive senescence; and (2) the impact of exercise training on age-related dysfunctions in this model. Eighteen Apolipoprotein-E knockout female mice were divided equally into young (Y), middle-aged (MA), and trained middle-aged (MAT). Echocardiographic exams were performed to verify cardiac morphology and function. Cannulation for direct recording of blood pressure and heart rate, and analysis of cardiovascular autonomic modulation, baroreflex sensitivity were performed. The MA had lower cardiac diastolic function (E'/A' ratio), and higher aortic thickness, heart rate and mean arterial pressure, lower heart rate variability and baroreflex sensitivity compared with Y. There were no differences between Y and MAT in these parameters. Positive correlation coefficients were found between aortic wall thickness with hemodynamics data. The aging process causes a series of deleterious effects such as hemodynamic overload and dysautonomia in female with atherosclerosis. Exercise training was effective in mitigating aged-related dysfunctions.
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Affiliation(s)
- Bruno Nascimento-Carvalho
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil
| | - Bruno Durante da Silva
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil
| | - Maikon Barbosa da Silva
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil
| | - Adriano Dos-Santos
- Human Movement Lab, São Judas Tadeu University (USJT), São Paulo, SP, Brazil
| | | | - Danielle da Silva Dias
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil
- Postgraduate Program in Physical Education, Universidade Federal Do Maranhão, São Luís, MA, Brazil
| | - Leandro Eziquiel de Souza
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil
| | - Marina Rascio Henriques Dutra
- Laboratório de Fisiologia Translacional, Universidade Nove de Julho (Uninove), São Paulo, SP, Brazil
- Physiology Exercise Laboratory, Department of Physiology, Federal University of São Paulo (Unifesp), São Paulo, SP, Brazil
| | - Sergio Catanozi
- Laboratorio de Lipides (LIM-10), Hospital das Clinicas (HCFMUSP), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Elia G Caldini
- Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Kátia De Angelis
- Laboratório de Fisiologia Translacional, Universidade Nove de Julho (Uninove), São Paulo, SP, Brazil
- Physiology Exercise Laboratory, Department of Physiology, Federal University of São Paulo (Unifesp), São Paulo, SP, Brazil
| | | | | | - Maria Claudia Irigoyen
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil.
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Cui Y, Zhuang M, Huang Z, Guo Y, Chen F, Li Y, Long Y, Liu Y, Zeng G, Feng X, Chen X. An antihypertensive drug-AT1 inhibitor attenuated BRCA development promoted by chronic psychological stress via Ang II/PARP1/FN1 pathway. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167031. [PMID: 38253214 DOI: 10.1016/j.bbadis.2024.167031] [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: 09/14/2023] [Revised: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024]
Abstract
Chronic psychological stress contributes to the occurrence of cancer and activates the renin-angiotensin system (RAS). However, the mechanisms by which RAS promotes the progression of breast cancer (BRCA) under chronic psychological stress are remain unknown. In this study, we observed elevated levels of Angiotensin II (Ang II) in both serum and BRCA tissue under chronic stress, leading to accelerated BRCA growth in a mouse model. An antihypertensive drug, candesartan (an AT1 inhibitor), effectively attenuated Ang II-induced cell proliferation and metastasis. Utilizing mass spectrometry and weighted gene co-expression network analysis (WGCNA), we identified fibronectin 1 (FN1) as the hub protein involved in chronic stress-Ang II/AT1 axis. Focal adhesion pathway was identified as a downstream signaling pathway activated during the progression of chronic stress. Depletion of FN1 significantly attenuated Ang II-induced proliferation and metastasis of BRCA cells. Poly (ADP-ribose) polymerase 1 (PARP1) was found to bind to the DNA promoter of FN1, leading to the transcription of FN1. Ang II upregulated PARP1 expression, resulting in increased FN1 levels. Recombinant FN1 partially restored the progress of BRCA malignancy induced by the Ang II/PARP1 pathway. In vivo, candesartan reversed the progressive effect of chronic psychological stress on BRCA. In clinical samples, Ang II levels in both serum and tumor tissues are higher in stressed patients compared to control patients. Serum Ang II levels were positively correlated with chronic stress indicators. In conclusion, our study demonstrated that chronic psychological stress accelerates the malignancy of BRCA, and the AT1 inhibitor candesartan counteracts these effects by suppressing the Ang II-AT1 axis and the downstream PARP1/FN1/focal adhesion pathway.
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Affiliation(s)
- Yuqing Cui
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China; The Department of Oncology, The First Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Ming Zhuang
- The Department Radiotherapy Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Zheping Huang
- Women & Infants Hospital of Rhode Island & Warren Alpert Medical School of Brown University, Providence, RI 02905, USA
| | - Yan Guo
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China; The Department of Oncology, The First Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Fengzhi Chen
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Yangyang Li
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Yuanhui Long
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Ying Liu
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Guangchun Zeng
- The Department of Pathology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Xujing Feng
- The Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - Xuesong Chen
- The Department of Breast Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China; The Department of Oncology, The First Affiliated Hospital of Harbin Medical University, Harbin 150081, China.
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Das S, Komnenov D, Newhouse L, Rishi AK, Rossi NF. Paraventricular Nucleus V 1a Receptor Knockdown Blunts Neurocardiovascular Responses to Acute Stress in Male Rats after Chronic Mild Unpredictable Stress. Physiol Behav 2022; 253:113867. [PMID: 35661787 DOI: 10.1016/j.physbeh.2022.113867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/09/2022] [Accepted: 06/01/2022] [Indexed: 10/18/2022]
Abstract
Chronic stress and depression impart increased risk for adverse cardiovascular events. Autonomic dysregulation, particularly sympathoexcitation, has long been associated with poor cardiovascular outcomes. Vasopressin (AVP) receptors with the paraventricular nucleus (PVN), known as an integrating locus for hemodynamic and autonomic function, have been implicated in behavior and stress. The present studies were designed to test the hypothesis that knockdown of vasopressin V1aR within the PVN in male Sprague Dawley rats subjected to chronic mild unpredictable stress (CMS) would result in lower resting hemodynamics and renal sympathetic nerve activity (RSNA) and mitigate the responses to acute stressors. Male rats underwent CMS for 4 weeks; controls were housed in standard caging. Twenty days into the paradigm, the PVN was injected with either small interfering RNA (siRNA) directed against V1aR or scrambled RNA (scrRNA). Arterial pressure, heart rate and RSNA were ascertained by telemetry with the animals in their home cages. Pretreatment with siRNA to V1aR prevented the increase in arterial pressure to PVN microinjection with exogenous AVP. Basal mean arterial pressure (MAP) was significantly higher in scrRNA-treated but not in siRNA-treated CMS rats vs control rats. Paradoxically, basal RSNA was approximately two-fold higher in siRNA-treated CMS rats. Acute emotional stress delivered as 15-sec air-jet resulted in greater peak and duration of the MAP and RSNA responses in scrRNA-treated CMS rats vs control; siRNA treatment inhibited the responses. The 15-sec exposure to ammonia to test the nasopharyngeal reflex, whose circuitry does not include the PVN, produced similar increases in arterial pressure, heart rate, and RSNA in controls and both groups of CMS rats. Thus, CMS increases arterial pressure and predisposes to greater hemodynamic and RSNA responses to acute emotional stress. The higher basal RSNA in siRNA-treated rats may be due to functional and/or anatomical neuroplasticity occurring during more protracted inhibition of V1aR PVN signaling. Vasopressinergic signaling via V1aR in PVN modulates the cardiovascular and sympathetic responses to both the chronic and acute stress.
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Affiliation(s)
- Shibandri Das
- Department of Ophthalmology, Visual, and Anatomical Sciences, Wayne State University, Detroit, MI, US
| | - Dragana Komnenov
- Departments of Internal Medicine and Physiology, Wayne State University, Detroit, MI, US
| | - Lauren Newhouse
- Department of Internal Medicine, University of Illinois, Chicago, IL, US
| | - Arun K Rishi
- Department of Oncology, Wayne State University, US; John D. Dingell VA Medical Center, Detroit, MI, US
| | - Noreen F Rossi
- Departments of Internal Medicine and Physiology, Wayne State University, Detroit, MI, US; John D. Dingell VA Medical Center, Detroit, MI, US.
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Stress-induced cardiometabolic perturbations, increased oxidative stress and ACE/ACE2 imbalance are improved by endurance training in rats. Life Sci 2022; 305:120758. [DOI: 10.1016/j.lfs.2022.120758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 11/22/2022]
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Correa BHM, Becari L, Peliky Fontes MA, Simões-e-Silva AC, Kangussu LM. Involvement of the Renin-Angiotensin System in Stress: State of the Art and Research Perspectives. Curr Neuropharmacol 2022; 20:1212-1228. [PMID: 34554902 PMCID: PMC9886820 DOI: 10.2174/1570159x19666210719142300] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/19/2021] [Accepted: 07/09/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Along with other canonical systems, the renin-angiotensin system (RAS) has shown important roles in stress. This system is a complex regulatory proteolytic cascade composed of various enzymes, peptides, and receptors. Besides the classical (ACE/Ang II/AT1 receptor) and the counter-regulatory (ACE2/Ang-(1-7)/Mas receptor) RAS axes, evidence indicates that nonclassical components, including Ang III, Ang IV, AT2 and AT4, can also be involved in stress. OBJECTIVE AND METHODS This comprehensive review summarizes the current knowledge on the participation of RAS components in different adverse environmental stimuli stressors, including air jet stress, cage switch stress, restraint stress, chronic unpredictable stress, neonatal isolation stress, and post-traumatic stress disorder. RESULTS AND CONCLUSION In general, activation of the classical RAS axis potentiates stress-related cardiovascular, endocrine, and behavioral responses, while the stimulation of the counter-regulatory axis attenuates these effects. Pharmacological modulation in both axes is optimistic, offering promising perspectives for stress-related disorders treatment. In this regard, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are potential candidates already available since they block the classical axis, activate the counter-regulatory axis, and are safe and efficient drugs.
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Affiliation(s)
- Bernardo H. M. Correa
- Department of Morphology, Biological Sciences Institute, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil;
| | - Luca Becari
- Department of Morphology, Biological Sciences Institute, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil;
| | - Marco Antônio Peliky Fontes
- Department of Physiology & Biophysics - Biological Sciences Institute, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil;
| | - Ana Cristina Simões-e-Silva
- Department of Pediatrics, Faculty of Medicine, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Lucas M. Kangussu
- Department of Morphology, Biological Sciences Institute, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil; ,Address correspondence to this author at the Department of Morphology, Biological Sciences Institute – Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil; Tel: (+55-31) 3409-2772; E-mail:
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Peters EMJ, Schedlowski M, Watzl C, Gimsa U. To stress or not to stress: Brain-behavior-immune interaction may weaken or promote the immune response to SARS-CoV-2. Neurobiol Stress 2021; 14:100296. [PMID: 33527083 PMCID: PMC7839386 DOI: 10.1016/j.ynstr.2021.100296] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/29/2020] [Accepted: 01/10/2021] [Indexed: 02/06/2023] Open
Abstract
The COVID-19 pandemic continues to strongly affect people with health disadvantages, creating a heavy burden on medical systems and societies worldwide. Research is growing rapidly and recently revealed that stress-related factors such as socio-economic status, may also play a pivotal role. However, stress research investigating the underlying psychoneuroimmune interactions is missing. Here we address the question whether stress-associated neuroendocrine-immune mechanisms can possibly contribute to an increase in SARS-CoV-2 infections and influence the course of COVID-19 disease. Additionally, we discuss that not all forms of stress (e.g. acute versus chronic) are detrimental and that some types of stress could attenuate infection-risk and -progression. The overall aim of this review is to motivate future research efforts to clarify whether psychosocial interventions have the potential to optimize neuroendocrine-immune responses against respiratory viral infections during and beyond the COVID-19 pandemic. The current state of research on different types of stress is summarized in a comprehensive narrative review to promote a psychoneuroimmune understanding of how stress and its mediators cortisol, (nor)adrenaline, neuropeptides and neurotrophins can shape the immune defense against viral diseases. Based on this understanding, we describe how people with high psychosocial stress can be identified, which behaviors and psychosocial interventions may contribute to optimal stress management, and how psychoneuroimmune knowledge can be used to improve adequate care for COVID-19 and other patients with viral infections.
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Affiliation(s)
- Eva M J Peters
- Psychoneuroimmunology Laboratory, Department of Psychosomatic Medicine and Psychotherapy, Justus-Liebig University Giessen, Giessen and Universitätsmedizin-Charité, Berlin, Germany
| | - Manfred Schedlowski
- Institute of Medical Psychology and Behavioral Immunobiology, University Hospital Essen, Germany and Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Carsten Watzl
- Department for Immunology, Leibniz Research Centre for Working Environment and Human Factors (IfADo) at TU Dortmund, Dortmund, Germany
| | - Ulrike Gimsa
- Psychophysiology Unit, Institute of Behavioural Physiology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
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Costa R, Carvalho MSM, Brandão JDP, Moreira RP, Cunha TS, Casarini DE, Marcondes FK. Modulatory action of environmental enrichment on hormonal and behavioral responses induced by chronic stress in rats: Hypothalamic renin-angiotensin system components. Behav Brain Res 2020; 397:112928. [PMID: 32987059 DOI: 10.1016/j.bbr.2020.112928] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 09/10/2020] [Accepted: 09/18/2020] [Indexed: 02/07/2023]
Abstract
Environmental enrichment (EE) has been studied as a protocol that can improve brain plasticity and may protect against negative insults such as chronic stress. The aim of this study was to evaluate the effects of EE on the hormonal and behavioral responses induced by chronic mild unpredictable stress (CMS) in rats, considering the involvement of the renin-angiotensin system. Male adult rats were divided into 4 groups: control, CMS, EE, and CMS + EE, and the experimental protocol lasted for 7 weeks. EE was performed during 7 weeks, 5 days per week, 2 h per day. CMS was applied during weeks 3, 4, and 5. After the CMS (week 6), depression-like behavior was evaluated by forced swimming and sucrose consumption tests, anxiety level was evaluated using the elevated plus-maze test, and memory was evaluated using the Y-maze test. On week 7, the animals were euthanized and basal plasma levels of corticosterone and catecholamines were determined. The hypothalamus was isolated and tissue levels of angiotensin peptides were evaluated. CMS increased plasma corticosterone, norepinephrine, and epinephrine basal concentrations, induced depression-like behaviors, impaired memory, and increased hypothalamic angiotensin I, II, and IV concentrations. EE decreased stress hormones secretion, depression-like behaviors, memory impairment, and hypothalamic angiotensin II induced by stress. Reductions of anxiety-like behavior and norepinephrine secretion were observed in both stressed and unstressed groups. The results indicated that EE seemed to protect adult rats against hormonal and behavioral CMS effects, and that the reduction of angiotensin II could contribute to these effects.
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Affiliation(s)
- Rafaela Costa
- Department of Biosciences, Laboratory of Stress, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil
| | - Maeline Santos Morais Carvalho
- Department of Biosciences, Laboratory of Stress, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil
| | | | - Roseli Peres Moreira
- Nephrology Division, Department of Medicine, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Tatiana Sousa Cunha
- Science and Technology Institute, Federal University of São Paulo, São José Dos Campos, SP, Brazil
| | - Dulce Elena Casarini
- Nephrology Division, Department of Medicine, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Fernanda Klein Marcondes
- Department of Biosciences, Laboratory of Stress, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
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Costa R, Tamascia ML, Sanches A, Moreira RP, Cunha TS, Nogueira MD, Casarini DE, Marcondes FK. Tactile stimulation of adult rats modulates hormonal responses, depression-like behaviors, and memory impairment induced by chronic mild stress: Role of angiotensin II. Behav Brain Res 2020; 379:112250. [DOI: 10.1016/j.bbr.2019.112250] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 09/17/2019] [Accepted: 09/17/2019] [Indexed: 12/19/2022]
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Eslahi A, Shirazi M, Khoshnood O, Noorafshan A, Karbalay-Doust S. Comparison of the effects of pentoxifylline, simvastatin, tamoxifen, and losartan on cavernous bodies after penile fracture in rats: a stereological study. Int J Impot Res 2019; 32:338-344. [PMID: 31427793 DOI: 10.1038/s41443-019-0175-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 05/27/2019] [Accepted: 06/19/2019] [Indexed: 11/09/2022]
Abstract
Penile fracture (PF) is described as a rupture and fibrosis of the cavernous bodies. This study aimed to collect quantitative data on the impacts of pentoxifylline, simvastatin, tamoxifen, and losartan on cavernous body structure after PF. The rats were divided into six groups. The control group received anesthesia and incision without actual PF. The other groups (second to sixth) underwent PF induction in addition to administration of distilled water, pentoxifylline (200 mg/kg/day), simvastatin (40 mg/kg/day), tamoxifen (10 mg/kg/day), and losartan (20 mg/kg/day) for 8 weeks. The volumes of cavernous bodies, collagen bundles, and vessels and number of fibroblasts were increased significantly in the PF group in comparison to the control rats (p < 0.01), indicating a fibrotic process. Moreover, the mean volume of the cavernous bodies decreased in the groups with PF that received pentoxifylline, simvastatin, tamoxifen, or losartan when compared with the PF group. However, the volumes of the collagen bundles and vessels as well as the population of fibroblasts remained at the control level or even lower in PF plus pentoxifylline, simvastatin, tamoxifen, and losartan groups. This indicated the anti-fibrotic effects of the four drugs. It can be concluded that pentoxifylline, simvastatin, tamoxifen, and losartan could reduce fibrosis activities by minimizing the formation of collagen bundles and vessels as well as decreasing the population of fibroblasts 8 weeks after PF. Yet, losartan brought about a better outcome compared with the other chemicals.
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Affiliation(s)
- Ali Eslahi
- Department of Urology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Shirazi
- Department of Urology, Shiraz University of Medical Sciences, Shiraz, Iran.,Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omid Khoshnood
- Department of Urology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Noorafshan
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Anatomy Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saied Karbalay-Doust
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. .,Anatomy Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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