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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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Saati-Zarei A, Damirchi A, Tousi SMTR, Babaei P. Myocardial angiogenesis induced by concurrent vitamin D supplementation and aerobic-resistance training is mediated by inhibiting miRNA-15a, and miRNA-146a and upregulating VEGF/PI3K/eNOS signaling pathway. Pflugers Arch 2023; 475:541-555. [PMID: 36689014 DOI: 10.1007/s00424-023-02788-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/01/2022] [Accepted: 11/24/2022] [Indexed: 01/24/2023]
Abstract
This study aimed to investigate the effects of co-treatment of aerobic-resistance training (ART), vitamin D3 (VD3) on cardiovascular function considering the involvement of microRNA-15a and microRNA-146a, vascular endothelial growth factor (VEGF), phosphatidylinositol-3 kinase (PI3K), and endothelial nitric oxide synthase (eNOS) after myocardial infarction (MI) in rats. To induce MI, male Wistar rats subcutaneously received isoproterenol for 2 days, then MI was confirmed by echocardiography. MI rats were divided into six groups (n = 8/group). MI + VD3, MI + sesame oil (Veh), MI + ART, MI + VD3 + ART, and MI + Veh + ART, and received the related treatments for 8 weeks. Exercise tests, echocardiography, real-time quantitative polymerase chain reaction (qRT-PCR), western blotting, and histological staining were performed after the end of treatments. The highest ejection fraction (EF%), fractional shortening (FS%), exercise capacity (EC), and maximal load test (MLT) amounts were observed in the groups treated with VD3, ART, and VD3 + ART (P < 0.05). These were accompanied by a significantly increased angiogenesis post-MI. Furthermore, the levels of circulating microRNA-15a and microRNA-146a were significantly decreased in these groups compared to MI rats that were together with a significant upregulation of cardiac VEGF, PI3K, and eNOS expression. Overall, the best results were observed in the group treated with VD3 + ART. Concurrent VD3 supplementation and ART attenuated microRNA-15a and microRNA-146a and induced angiogenesis via VEGF/PI3K/eNOS axis. This data demonstrate that concurrent VD3 supplementation and ART is a more efficient strategy than monotherapy to improve cardiac function post-MI.
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Affiliation(s)
- Alireza Saati-Zarei
- Department of Sport Physiology, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran
| | - Arsalan Damirchi
- Department of Sport Physiology, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran
| | - Seyed Mohammad Taghi Razavi Tousi
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran.,Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Parvin Babaei
- Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran. .,Cellular & Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht , Iran. .,Department of Physiology, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
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3
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Chen Y, Huang Q, Feng Y. Exercise improves cardiac function in the aged rats with myocardial infarction. Physiol Res 2023; 72:27-35. [PMID: 36545879 PMCID: PMC10069814 DOI: 10.33549/physiolres.934966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
Abstract
Exercise can improve the cardiovascular health. However, the mechanism contributing to its beneficial effect on elderly patients with myocardial infarction is obscure. 20-month-old male Sprague-Dawley rats were used to establish myocardial infarction (MI) model by permanent ligation of the left anterior descending coronary artery (LAD) of the heart, followed by 4-week interval exercise training on a motor-driven rodent treadmill. The cardiac function, myocardial fibrosis, apoptosis, oxidative stress, and inflammatory responses were determined by using pressure transducer catheter, polygraph physiological data acquisition system, Masson's trichrome staining, and ELISA to evaluate the impact of post-MI exercise training on MI. Western blot were performed to detect the activation of AMPK/SIRT1/PGC-1alpha signaling in the hearts of aged rats. Exercise training significantly improved cardiac function and reduced the cardiac fibrosis. In infarcted heart, the apoptosis, oxidative stress, and inflammation were significantly reduced after 4-week exercise training. Mechanistically, AMPK/SIRT1/PGC-1alpha pathway was activated in the myocardial infarction area after exercise training, which might participate in the protection of cardiac function. Exercise training improves cardiac function in MI rats through reduction of apoptosis, oxidative stress, and inflammation, which may mediate by the activation of AMPK/SIRT1/PGC-1alpha signaling pathway.
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Affiliation(s)
- Y Chen
- Department of Geriatric Medicine, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, Jiangsu, China, Department of Cardiology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, Jiangsu, China.
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Nascimento‐Carvalho B, Dos‐Santos A, Da Costa‐Santos N, Carvalho SL, de Moraes OA, Santos CP, De Angelis K, Caperuto EC, Irigoyen M, Scapini K, Sanches IC. Food readjustment plus exercise training improves cardiovascular autonomic control and baroreflex sensitivity in high-fat diet-fed ovariectomized mice. Physiol Rep 2023; 11:e15609. [PMID: 36898722 PMCID: PMC10005889 DOI: 10.14814/phy2.15609] [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: 12/01/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 03/12/2023] Open
Abstract
Despite consensus on the benefits of food readjustment and/or moderate-intensity continuous exercise in the treatment of cardiometabolic risk factors, there is little evidence of the association between these two cardiovascular risk management strategies after menopause. Thus, the objective of this study was to evaluate the effects of food readjustment and/or exercise training on metabolic, hemodynamic, autonomic, and inflammatory parameters in a model of loss of ovarian function with diet-induced obesity. Forty C57BL/6J ovariectomized mice were divided into the following groups: high-fat diet-fed - 60% lipids throughout the protocol (HF), food readjustment - 60% lipids for 5 weeks, readjusted to 10% for the next 5 weeks (FR), high-fat diet-fed undergoing moderate-intensity exercise training (HFT), and food readjustment associated with moderate-intensity exercise training (FRT). Blood glucose evaluations and oral glucose tolerance tests were performed. Blood pressure was assessed by direct intra-arterial measurement. Baroreflex sensitivity was tested using heart rate phenylephrine and sodium nitroprusside induced blood pressure changes. Cardiovascular autonomic modulation was evaluated in time and frequency domains. Inflammatory profile was evaluated by IL-6, IL-10 cytokines, and TNF-alpha measurements. Only the exercise training associated with food readjustment strategy induced improved functional capacity, body composition, metabolic parameters, inflammatory profile, and resting bradycardia, while positively changing cardiovascular autonomic modulation and increasing baroreflex sensitivity. Our findings demonstrate that the association of these strategies seems to be effective in the management of cardiometabolic risk in a model of loss of ovarian function with diet-induced obesity.
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Affiliation(s)
- Bruno Nascimento‐Carvalho
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de MedicinaUniversidade de Sao Paulo (InCor‐HCFMUSP)São PauloBrazil
- Human Movement LabSão Judas Tadeu University (USJT)São PauloBrazil
| | | | | | | | - Oscar A. de Moraes
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de MedicinaUniversidade de Sao Paulo (InCor‐HCFMUSP)São PauloBrazil
| | - Camila P. Santos
- Department of MedicineFederal University of São Paulo (Unifesp)São PauloBrazil
| | - Katia De Angelis
- Department of MedicineFederal University of São Paulo (Unifesp)São PauloBrazil
| | | | - Maria‐Claudia Irigoyen
- Unidade de Hipertensao, Instituto do Coracao, Hospital das Clinicas, Faculdade de MedicinaUniversidade de Sao Paulo (InCor‐HCFMUSP)São PauloBrazil
| | - Katia B. Scapini
- Human Movement LabSão Judas Tadeu University (USJT)São PauloBrazil
| | - Iris C. Sanches
- Human Movement LabSão Judas Tadeu University (USJT)São PauloBrazil
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Mitophagy: At the heart of mitochondrial quality control in cardiac aging and frailty. Exp Gerontol 2021; 153:111508. [PMID: 34358665 DOI: 10.1016/j.exger.2021.111508] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 01/18/2023]
Abstract
Cardiovascular disease is highly prevalent among older adults and poses a huge burden on morbidity, disability, and mortality. The age-related increased vulnerability of the cardiovascular system towards stressors is a pathophysiological trait of cardiovascular disease. This has been associated with a progressive deterioration of blood vessels and decline in heart function during aging. Cardiomyocytes rely mostly on oxidative metabolism for deploying their activities and mitochondrial metabolism is crucial to this purpose. Dysmorphic, inefficient, and oxidant-producing mitochondria have been identified in aged cardiomyocytes in association with cardiac structural and functional alterations. These aberrant organelles are thought to arise from inefficient mitochondrial quality control, which has therefore been place in the spotlight as a relevant mechanism of cardiac aging. As a result of alterations in mitochondrial quality control and redox dyshomeostasis, mitochondrial damage accumulates and contributes to cardiac frailty. Herein, we discuss the contribution of defective mitochondrial quality control pathways to cardiac frailty. Emerging findings pointing towards the exploitation of these pathways as therapeutic targets against cardiac aging and cardiovascular disease will also be illustrated.
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Cavalcante GL, Brognara F, Oliveira LVDC, Lataro RM, Durand MDT, Oliveira AP, Nóbrega ACL, Salgado HC, Sabino JPJ. Benefits of pharmacological and electrical cholinergic stimulation in hypertension and heart failure. Acta Physiol (Oxf) 2021; 232:e13663. [PMID: 33884761 DOI: 10.1111/apha.13663] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/12/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022]
Abstract
Systemic arterial hypertension and heart failure are cardiovascular diseases that affect millions of individuals worldwide. They are characterized by a change in the autonomic nervous system balance, highlighted by an increase in sympathetic activity associated with a decrease in parasympathetic activity. Most therapeutic approaches seek to treat these diseases by medications that attenuate sympathetic activity. However, there is a growing number of studies demonstrating that the improvement of parasympathetic function, by means of pharmacological or electrical stimulation, can be an effective tool for the treatment of these cardiovascular diseases. Therefore, this review aims to describe the advances reported by experimental and clinical studies that addressed the potential of cholinergic stimulation to prevent autonomic and cardiovascular imbalance in hypertension and heart failure. Overall, the published data reviewed demonstrate that the use of central or peripheral acetylcholinesterase inhibitors is efficient to improve the autonomic imbalance and hemodynamic changes observed in heart failure and hypertension. Of note, the baroreflex and the vagus nerve activation have been shown to be safe and effective approaches to be used as an alternative treatment for these cardiovascular diseases. In conclusion, pharmacological and electrical stimulation of the parasympathetic nervous system has the potential to be used as a therapeutic tool for the treatment of hypertension and heart failure, deserving to be more explored in the clinical setting.
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Affiliation(s)
- Gisele L. Cavalcante
- Graduate Program in Pharmaceutical Sciences Department of Biophysics and Physiology Federal University of Piaui Teresina PI Brazil
- Department of Pharmacology Ribeirão Preto Medical School University of São Paulo Ribeirão Preto SP Brazil
| | - Fernanda Brognara
- Department of Physiology Ribeirão Preto Medical School University of São Paulo Ribeirão Preto SP Brazil
| | - Lucas Vaz de C. Oliveira
- Graduate Program in Pharmaceutical Sciences Department of Biophysics and Physiology Federal University of Piaui Teresina PI Brazil
| | - Renata M. Lataro
- Department of Physiological Sciences Center of Biological Sciences Federal University of Santa Catarina Florianópolis SP Brazil
| | | | - Aldeidia P. Oliveira
- Graduate Program in Pharmacology Department of Biophysics and Physiology Federal University of Piaui Teresina PI Brazil
| | | | - Helio C. Salgado
- Department of Physiology Ribeirão Preto Medical School University of São Paulo Ribeirão Preto SP Brazil
| | - João Paulo J. Sabino
- Graduate Program in Pharmaceutical Sciences Department of Biophysics and Physiology Federal University of Piaui Teresina PI Brazil
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Ruberti OM, Rodrigues B. Estrogen Deprivation and Myocardial Infarction: Role of Aerobic Exercise Training, Inflammation and Metabolomics. Curr Cardiol Rev 2021; 16:292-305. [PMID: 31362678 PMCID: PMC7903506 DOI: 10.2174/1573403x15666190729153026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/01/2019] [Accepted: 07/09/2019] [Indexed: 12/15/2022] Open
Abstract
In general, postmenopausal women present higher mortality, and worse prognosis after myocardial infarction (MI) compared to men, due to estrogen deficiency. After MI, cardiovascular alterations occur such as the autonomic imbalance and the pro-inflammatory cytokines increase. In this sense, therapies that aim to minimize deleterious effects caused by myocardial ischemia are important. Aerobic training has been proposed as a promising intervention in the prevention of cardiovascular diseases. On the other hand, some studies have attempted to identify potential biomarkers for cardiovascular diseases or specifically for MI. For this purpose, metabolomics has been used as a tool in the discovery of cardiovascular biomarkers. Therefore, the objective of this work is to discuss the changes involved in ovariectomy, myocardial infarction, and aerobic training, with emphasis on inflammation and metabolism.
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Affiliation(s)
- Olívia M Ruberti
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Bruno Rodrigues
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
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Concurrent vitamin D supplementation and exercise training improve cardiac fibrosis via TGF-β/Smad signaling in myocardial infarction model of rats. J Physiol Biochem 2021; 77:75-84. [PMID: 33428175 DOI: 10.1007/s13105-020-00778-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 12/02/2020] [Indexed: 01/02/2023]
Abstract
Although the role of vitamin D in various types of disorders such as cancer and diabetes has been well recognized, its relation to cardiovascular diseases still remains equivocal. The present study aims to investigate the interactive effects of aerobic-resistance training (ART) and vitamin D3 (VD3) on both cardiac fibrosis and heart functions considering TGF-β1/Smad2, 3 (transforming growth factor-β1/mothers against decapentaplegic homolog 2/3) signaling in the myocardial infarction (MI) model of rats. Fifty-six male Wistar rats were divided into 2 groups of sham (n = 8), and MI (n = 48). Then, MI rats were divided into six groups of VD3, ART, VD3+ART, Veh, Veh+ART, and sedentary MI. The animals received the related treatments for 8 weeks, and then their functional exercise capacity (FEC) and strength gain (SG) were estimated through exercise tests. Ejection fraction (EF%) and fractional shortening (FS%) and serum level of VD3 were measured by echocardiography and ELISA, respectively. Cardiac expressions of TGF-β1, Smad2/3, and collagen I/III were assessed by western blotting and fibrosis by Masson's trichrome staining. The highest EF, parallel with the lowest expression of cardiac TGF-β1, Smad2/3, collagen I, and collagen III were observed in MI + VD3 (P = 0.021), MI + ART (P = 0.001), and MI + VD3 + ART (P < 0.001). Furthermore, similar to FS, the highest FEC and SG were related to the groups of MI + VD3 + ART and MI + ART compared to the MI group. In conclusion, our data indicate that concurrent vitamin D supplementation and ART, compared with monotherapy, successfully improve cardiac function and alleviate myocardial fibrosis via downregulating TGF-β1, Smad2/3 signaling, and also regulating collagen I and III expressions.
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Xu W, Li XP, Li EZ, Liu YF, Zhao J, Wei LN, Ma L. Protective Effects of Allicin on ISO-Induced Rat Model of Myocardial Infarction via JNK Signaling Pathway. Pharmacology 2020; 105:505-513. [PMID: 32784309 DOI: 10.1159/000503755] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 09/27/2019] [Indexed: 11/19/2022]
Abstract
OBJECTIVE This research was aimed to explore protective effects of allicin on rat model of myocardial infarction via JNK signaling pathway. METHODS Rat myocardial ischemia model was established with subcutaneous injection of isoproterenol (ISO). Seventy-five rats were randomly divided into 5 groups (n = 15): sham group, ISO group, low-dose group (1.2 mg/kg/days for 7 days), medium-dose group (1.8 mg/kg/days for 7 days), and high-dose group (3.6 mg/kg/days for 7 days). Routine HE staining and Masson staining were performed to observe myocardial histopathology. The expression of oxidative stress-related indicators, heart tissue apoptosis-related proteins, and JNK and p-JNK proteins were measured for different groups. RESULTS Compared with the sham group, the T wave value of the ISO group was significantly increased (p < 0.01). When allicin was administered, the T wave values at different time points in all groups were all decreased. Compared with the sham group, the ratio of eNOS, Bcl-2/Bax was significantly decreased, and p-eNOS, iNOS, caspase-3, caspase-9, and Cyt-c were significantly elevated in the ISO group (p < 0.05). After allicin was administered, significant changes in these proteins were observed in the medium- and high-dose groups. There was no significant change in the expression of JNK protein in the ISO group compared with the sham group; however, the expression of eNOS and p-JNK protein were significantly upregulated (p < 0.01) and the expression of p-eNOS and iNOS were significantly downregulated (p < 0.01). When allicin was administered, expression of p-JNK protein was significantly downregulated. CONCLUSION Allicin can reduce oxidative stress damage and cardiomyocyte apoptosis in rat model of myocardial infarction and can significantly regulate JNK signaling pathway.
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Affiliation(s)
- Wen Xu
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiang-Peng Li
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - En-Ze Li
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yue-Fen Liu
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jun Zhao
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Li-Na Wei
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lin Ma
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, China,
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Gomes MJ, Pagan LU, Lima ARR, Reyes DRA, Martinez PF, Damatto FC, Pontes THD, Rodrigues EA, Souza LM, Tosta IF, Fernandes AAH, Zornoff LAM, Okoshi K, Okoshi MP. Effects of aerobic and resistance exercise on cardiac remodelling and skeletal muscle oxidative stress of infarcted rats. J Cell Mol Med 2020; 24:5352-5362. [PMID: 32239667 PMCID: PMC7205792 DOI: 10.1111/jcmm.15191] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 01/21/2020] [Accepted: 02/22/2020] [Indexed: 12/22/2022] Open
Abstract
We compared the influence of aerobic and resistance exercise on cardiac remodelling, physical capacity and skeletal muscle oxidative stress in rats with MI‐induced heart failure. Three months after MI induction, Wistar rats were divided into four groups: Sham; sedentary MI (S‐MI); aerobic exercised MI (A‐MI); and resistance exercised MI (R‐MI). Exercised rats trained three times a week for 12 weeks on a treadmill or ladder. Statistical analysis was performed by ANOVA or Kruskal‐Wallis test. Functional aerobic capacity was greater in A‐MI and strength gain higher in R‐MI. Echocardiographic parameters did not differ between infarct groups. Reactive oxygen species production, evaluated by fluorescence, was higher in S‐MI than Sham, and lipid hydroperoxide concentration was lower in A‐MI than the other groups. Glutathione peroxidase activity was higher in A‐MI than S‐MI and R‐MI. Superoxide dismutase was lower in S‐MI than Sham and R‐MI. Gastrocnemius cross‐sectional area, satellite cell activation and expression of the ubiquitin‐proteasome system proteins did not differ between groups. In conclusion, aerobic exercise and resistance exercise improve functional capacity and maximum load carrying, respectively, without changing cardiac remodelling in infarcted rats. In the gastrocnemius, infarction increases oxidative stress and changes antioxidant enzyme activities. Aerobic exercise reduces oxidative stress and attenuates superoxide dismutase and glutathione peroxidase changes.
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Affiliation(s)
- Mariana J Gomes
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Luana U Pagan
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Aline R R Lima
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - David R A Reyes
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Paula F Martinez
- School of Physical Therapy, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | - Felipe C Damatto
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Thierres H D Pontes
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Eder A Rodrigues
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Lidiane M Souza
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Ingrid F Tosta
- Institute of Biosciences, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Ana A H Fernandes
- Institute of Biosciences, Sao Paulo State University, UNESP, Botucatu, Brazil
| | | | - Katashi Okoshi
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
| | - Marina P Okoshi
- Botucatu Medical School, Sao Paulo State University, UNESP, Botucatu, Brazil
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11
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Khuanjing T, Palee S, Chattipakorn SC, Chattipakorn N. The effects of acetylcholinesterase inhibitors on the heart in acute myocardial infarction and heart failure: From cells to patient reports. Acta Physiol (Oxf) 2020; 228:e13396. [PMID: 31595611 DOI: 10.1111/apha.13396] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/30/2019] [Accepted: 09/28/2019] [Indexed: 12/12/2022]
Abstract
Cardiovascular diseases remain a major cause of morbidity and mortality worldwide. Cardiovascular diseases such as acute myocardial infarction, ischaemia/reperfusion injury and heart failure are associated with cardiac autonomic imbalance characterized by sympathetic overactivity and parasympathetic withdrawal from the heart. Increased parasympathetic activity by electrical vagal nerve stimulation has been shown to provide beneficial effects in the case of cardiovascular diseases in both animals and patients by improving autonomic function, cardiac remodelling and mitochondrial function. However, clinical limitations for electrical vagal nerve stimulation exist because of its invasive nature, costly equipment and limited clinical validation. Therefore, novel therapeutic approaches which moderate parasympathetic activities could be beneficial for in the case of cardiovascular disease. Acetylcholinesterase inhibitors inhibit acetylcholinesterase and hence increase cholinergic transmission. Recent studies have reported that acetylcholinesterase inhibitors improve autonomic function and cardiac function in cardiovascular disease models. Despite its potential clinical benefits for cardiovascular disease patients, the role of acetylcholinesterase inhibitors in acute myocardial infarction and heart failure remediation remains unclear. This article comprehensively reviews the effects of acetylcholinesterase inhibitors on the heart in acute myocardial infarction and heart failure scenarios from in vitro and in vivo studies to clinical reports. The mechanisms involved are also discussed in this review.
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Affiliation(s)
- Thawatchai Khuanjing
- Cardiac Electrophysiology Research and Training Center Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Cardiac Electrophysiology Unit Department of Physiology Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Cardiac Electrophysiology Research Chiang Mai University Chiang Mai Thailand
| | - Siripong Palee
- Cardiac Electrophysiology Research and Training Center Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Cardiac Electrophysiology Research Chiang Mai University Chiang Mai Thailand
| | - Siriporn C. Chattipakorn
- Cardiac Electrophysiology Research and Training Center Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Cardiac Electrophysiology Research Chiang Mai University Chiang Mai Thailand
- Department of Oral Biology and Diagnostic Sciences Faculty of Dentistry Chiang Mai University Chiang Mai Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Cardiac Electrophysiology Unit Department of Physiology Faculty of Medicine Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Cardiac Electrophysiology Research Chiang Mai University Chiang Mai Thailand
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12
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Moreira RS, Irigoyen MC, Capcha JMC, Sanches TR, Gutierrez PS, Garnica MR, Noronha IDL, Andrade L. Synthetic apolipoprotein A-I mimetic peptide 4F protects hearts and kidneys after myocardial infarction. Am J Physiol Regul Integr Comp Physiol 2020; 318:R529-R544. [PMID: 31967856 DOI: 10.1152/ajpregu.00185.2019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Patients undergoing coronary angiography after myocardial infarction (MI) often develop cardiac and renal dysfunction. We hypothesized that the apolipoprotein A-I mimetic peptide 4F (4F) would prevent those complications. Male Wistar rats were fed a high-cholesterol diet for 8 days. The rats were then anesthetized with isoflurane and randomly divided into five groups: a control group (sham-operated rats), and four groups of rats induced to MI by left coronary artery ligation, the rats in three of those groups being injected 6 h later, with the nonionic contrast agent iopamidol, 4F, and iopamidol plus 4F, respectively. At postprocedure hour 24, we performed the following experiments/tests (n = 8 rats/group): metabolic cage studies; creatinine clearance studies; analysis of creatinine, urea, sodium, potassium, triglycerides, total cholesterol, very low-, low- and high-density lipoproteins (VLDL, LDL, and HDL); immunohistochemistry; histomorphometry; Western blot analysis; and transmission electron microscopy. In another set of experiments (n = 8 rats/group), also performed at postprocedure hour 24, we measured mean arterial pressure, heart rate, heart rate variability, echocardiographic parameters, left ventricular systolic pressure, and left ventricular end-diastolic pressure. 4F protected against MI-induced increases in total cholesterol, triglycerides, and LDL; increased HDL levels; reversed autonomic and cardiac dysfunction; decreased the myocardial ischemic area; minimized renal and cardiac apoptosis; protected mitochondria; and strengthened endothelia possibly by minimizing Toll-like receptor 4 upregulation (thus restoring endothelial nitric oxide synthase protein expression) and by upregulating vascular endothelial growth factor protein expression. 4F-treated animals showed signs of cardiac neovascularization. The nitric oxide-dependent cardioprotection and renoprotection provided by 4F could have implications for post-MI treatment.
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Affiliation(s)
- Roberto S Moreira
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Maria C Irigoyen
- Laboratory of Hypertension, Heart Institute, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Jose M C Capcha
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Talita R Sanches
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Paulo S Gutierrez
- Laboratory of Pathology, Heart Institute, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Margoth R Garnica
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Irene de L Noronha
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Lucia Andrade
- Division of Nephrology, University of São Paulo School of Medicine, São Paulo, Brazil
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13
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Singh SP, Chand HS, Banerjee S, Agarwal H, Raizada V, Roy S, Sopori M. Acetylcholinesterase Inhibitor Pyridostigmine Bromide Attenuates Gut Pathology and Bacterial Dysbiosis in a Murine Model of Ulcerative Colitis. Dig Dis Sci 2020; 65:141-149. [PMID: 31643033 PMCID: PMC6943409 DOI: 10.1007/s10620-019-05838-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 09/10/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Ulcerative colitis (UC) is a Th2 inflammatory bowel disease characterized by increased IL-5 and IL-13 expression, eosinophilic/neutrophilic infiltration, decreased mucus production, impaired epithelial barrier, and bacterial dysbiosis of the colon. Acetylcholine and nicotine stimulate mucus production and suppress Th2 inflammation through nicotinic receptors in lungs but UC is rarely observed in smokers and the mechanism of the protection is unclear. METHODS In order to evaluate whether acetylcholine can ameliorate UC-associated pathologies, we employed a mouse model of dextran sodium sulfate (DSS)-induced UC-like conditions, and a group of mice were treated with Pyridostigmine bromide (PB) to increase acetylcholine availability. The effects on colonic tissue morphology, Th2 inflammatory factors, MUC2 mucin, and gut microbiota were analyzed. RESULTS DSS challenge damaged the murine colonic architecture, reduced the MUC2 mucin and the tight-junction protein ZO-1. The PB treatment significantly attenuated these DSS-induced responses along with the eosinophilic infiltration and the pro-Th2 inflammatory factors. Moreover, PB inhibited the DSS-induced loss of commensal Clostridia and Flavobacteria, and the gain of pathogenic Erysipelotrichia and Fusobacteria. CONCLUSIONS Together, these data suggest that in colons of a murine model, PB promotes MUC2 synthesis, suppresses Th2 inflammation and attenuates bacterial dysbiosis therefore, PB has a therapeutic potential in UC.
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Affiliation(s)
- Shashi P Singh
- Lovelace Respiratory Research Institute, 2425 Ridgecrest Dr SE, Albuquerque, NM, 87108, USA
| | - Hitendra S Chand
- Department of Immunology and Nano-Medicine, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, 33199, USA
| | - Santanu Banerjee
- Department of Surgery and Sylvester Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, 33101, USA
| | - Hemant Agarwal
- University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Veena Raizada
- University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Sabita Roy
- Department of Surgery and Sylvester Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, 33101, USA
| | - Mohan Sopori
- Lovelace Respiratory Research Institute, 2425 Ridgecrest Dr SE, Albuquerque, NM, 87108, USA.
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14
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Ruberti OM, Feriani DJ. Nociceptive pulmonary-cardiac reflexes: role of autonomic nervous system and hypertension. J Physiol 2019; 597:4443-4444. [PMID: 31339588 DOI: 10.1113/jp278558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Olívia Moraes Ruberti
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil
| | - Daniele Jardim Feriani
- Department of Adapted Physical Activity, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil
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15
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Xing Y, Li L. RETRACTED: Gastrodin protects rat cardiomyocytes H9c2 from hypoxia-induced injury by up-regulation of microRNA-21. Int J Biochem Cell Biol 2019; 109:8-16. [PMID: 30684569 DOI: 10.1016/j.biocel.2019.01.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/21/2018] [Accepted: 01/21/2019] [Indexed: 12/21/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief and Author. The journal contacted the authors for their response to the following remark from Dr Elisabeth Bik regarding this paper: ‘This paper belongs to a set of over 400 papers (as per February 2020) that share very similar Western blots with tadpole-like shaped bands, the same background pattern, and striking similarities in title structures, paper layout, bar graph design, and - in a subset - flow cytometry panels. Despite these similarities, these papers are authored by researchers from different departments and institutes, with almost no overlap in authors’. The authors failed to respond to this directly but instead requested the journal to retract the paper on the basis that the data were not represented accurately and new results have shown inconsistency with what has been reported in this paper. The authors apologise for any misconceptions that this paper may have resulted in.
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Affiliation(s)
- Yu Xing
- Department of Cardiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Ling Li
- Department of Cardiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
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16
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Cholinergic Stimulation by Pyridostigmine Bromide Before Myocardial Infarction Prevent Cardiac and Autonomic Dysfunction. Sci Rep 2019; 9:2481. [PMID: 30792425 PMCID: PMC6385301 DOI: 10.1038/s41598-019-38841-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 12/21/2018] [Indexed: 12/18/2022] Open
Abstract
Inflammatory processes and cardiovascular autonomic imbalance are very relevant characteristic of the enormous dynamic process that is a myocardial infarction (MI). In this sense, some studies are investigating pharmacological therapies using acetylcholinesterase inhibitors, such as pyridostigmine bromide (PYR), aiming to increase parasympathetic tone after MI. Here we hypothesized that the use of PYR before the MI might bring an additional positive effect to the autonomic function, and consequently, in the inflammatory response and cardiac function. The present study aimed to evaluate left ventricular function, baroreflex sensitivity, autonomic modulation, and inflammatory profile in PYR-treated rats previously to MI. Methods: Male Wistar rats (250–300 g) were treated for 60 days with PYR. After treatment, they were submitted to the MI. After the MI, the autonomic and ventricular function were evaluated, as well as the systemic, left ventricle, and adipose tissue inflammatory profile. Results: PYR, performed before MI, prevented HR increase, systolic function impairment, baroreflex sensitivity drop, as well as pulse interval variance, RMSSD, blood pressure and parasympathetic modulation reduction in treated rats compared to untreated rats. Also, this positive functional changes may have been a result of the reduced inflammatory parameters in the left ventricle (IFN-γ, IL-6, and IL-1β), as well as increased IL-10 expression and IL-10/TNF-α ratio in treated animals before MI. Conclusion: Prior treatment with PYR prevents impairment of the autonomic nervous system after MI, which may be associated with the attenuated expression of inflammatory factors and heart dysfunction.
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17
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Bhati P, Singla D, Hussain M. Resistance training and modulation of cardiac autonomic control in animal models: a systematic review. COMPARATIVE EXERCISE PHYSIOLOGY 2019. [DOI: 10.3920/cep180033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
The purpose of the present review is to systematically evaluate the existing literature on the effects of resistance training (RT) on cardiac autonomic control in animal models. Electronic search was conducted in Pubmed, PEDro and Scopus databases from inception till June 2018. Randomised controlled trials and quasi-experimental trials which investigated the effects of RT (for at least 4 weeks) on cardiac autonomic control (assessed either by heart rate variability, baroreflex sensitivity or post-exercise heart rate recovery) in animal models were included. Out of the total 3,442 studies retrieved by the electronic search, 9 were found to be suitable as per the eligibility criteria and were included in this review. The majority of these studies (6 out of 9) demonstrated improvement in cardiovascular autonomic control after RT in animals; however, three studies did not illustrate any significant change. Standardised mean differences (SMD) showed a significant effect of RT on root mean square of successive differences between adjacent inter-beat (R-R) intervals (RMSSD) [SMD (confidence interval (CI)) = 4.56 (2.89, 6.23); P<0.0001] and bradycardic response to change in arterial blood pressure [SMD (CI)=-2.27 (-4.50, -0.03; P=0.05)] whereas no significant change was observed for other variables of cardiac autonomic control post-RT. The present systematic review do not give a clear conclusion regarding the effect of RT on cardiac autonomic control in animal models and thus highlight the need for good quality research in future.
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Affiliation(s)
- P. Bhati
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - D. Singla
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - M.E. Hussain
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
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18
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Michalovicz LT, Locker AR, Kelly KA, Miller JV, Barnes Z, Fletcher MA, Miller DB, Klimas NG, Morris M, Lasley SM, O'Callaghan JP. Corticosterone and pyridostigmine/DEET exposure attenuate peripheral cytokine expression: Supporting a dominant role for neuroinflammation in a mouse model of Gulf War Illness. Neurotoxicology 2018; 70:26-32. [PMID: 30339781 PMCID: PMC6533534 DOI: 10.1016/j.neuro.2018.10.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/24/2018] [Accepted: 10/11/2018] [Indexed: 01/16/2023]
Abstract
Gulf War Illness (GWI) is a chronic multi-symptom disorder experienced by as many as a third of the veterans of the 1991 Gulf War; the constellation of “sickness behavior” symptoms observed in ill veterans is suggestive of a neuroimmune involvement. Various chemical exposures and conditions in theater have been implicated in the etiology of the illness. Previously, we found that GW-related organophosphates (OPs), such as the sarin surrogate, DFP, and chlorpyrifos, cause neuroinflammation. The combination of these exposures with exogenous corticosterone (CORT), mimicking high physiological stress, exacerbates the observed neuroinflammation. The potential relationship between the effects of OPs and CORT on the brain versus inflammation in the periphery has not been explored. Here, using our established GWI mouse model, we investigated the effects of CORT and DFP exposure, with or without a chronic application of pyridostigmine bromide (PB) and N,N-diethyl-meta-toluamide (DEET), on cytokines in the liver and serum. While CORT primed DFP-induced neuroinflammation, this effect was largely absent in the periphery. Moreover, the changes found in the peripheral tissues do not correlate with the previously reported neuroinflammation. These results not only support GWI as a neuroimmune disorder, but also highlight the separation between central and peripheral effects of these exposures.
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Affiliation(s)
- Lindsay T Michalovicz
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - Alicia R Locker
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - Kimberly A Kelly
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - Julie V Miller
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - Zachary Barnes
- Institute for Neuro-Immune Medicine, Nova Southeastern University, Ft. Lauderdale, FL, USA; Miami Veterans Affairs Medical Center, Miami, FL, USA
| | - Mary Ann Fletcher
- Institute for Neuro-Immune Medicine, Nova Southeastern University, Ft. Lauderdale, FL, USA; Miami Veterans Affairs Medical Center, Miami, FL, USA
| | - Diane B Miller
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - Nancy G Klimas
- Institute for Neuro-Immune Medicine, Nova Southeastern University, Ft. Lauderdale, FL, USA; Miami Veterans Affairs Medical Center, Miami, FL, USA
| | - Mariana Morris
- Institute for Neuro-Immune Medicine, Nova Southeastern University, Ft. Lauderdale, FL, USA
| | - Stephen M Lasley
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL, USA
| | - James P O'Callaghan
- Health Effects Laboratory Division, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Morgantown, WV, USA.
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