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de Miranda VHM, Dos Santos CP, Neves PP, Nascimento-Filho AV, Dutra MRH, Bernardes N, Irigoyen MC, De Angelis K. Acetylcholinesterase Inhibitor Ameliorates Early Cardiometabolic Disorders in Fructose-Overloaded Rat Offspring. Pharmaceuticals (Basel) 2024; 17:1055. [PMID: 39204159 PMCID: PMC11359402 DOI: 10.3390/ph17081055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 09/03/2024] Open
Abstract
BACKGROUND We investigate the role of galantamine on autonomic dysfunction associated with early cardiometabolic dysfunction in the offspring of fructose-overloaded rats. METHODS Wistar rats received fructose diluted in drinking water (10%) or water for 60 days prior to mating. Fructose overload was maintained until the end of lactation. The offspring (21 days after birth) of control and fructose-overloaded animals were divided into three groups: control (C), fructose (F) and fructose + galantamine (GAL). GAL (5 mg/kg) was administered orally until the offspring were 51 days old. Metabolic, hemodynamic and cardiovascular autonomic modulation were evaluated. RESULTS The F group showed decreased insulin tolerance (KITT) compared to the C and GAL groups. The F group, in comparison to the C group, had increased arterial blood pressure, heart rate and sympathovagal balance (LF/HF ratio) and a low-frequency band of systolic arterial pressure (LF-SAP). The GAL group, in comparison to the F group, showed increased vagally mediated RMSSD index, a high-frequency band (HF-PI) and decreased LF/HF ratio and variance in SAP (VAR-SAP) and LF-SAP. Correlations were found between HF-PI and KITT (r = 0.60), heart rate (r = -0.65) and MAP (r = -0.71). CONCLUSIONS GAL treatment significantly improved cardiovascular autonomic modulation, which was associated with the amelioration of cardiometabolic dysfunction in offspring of parents exposed to chronic fructose consumption.
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Affiliation(s)
- Victor Hugo Martins de Miranda
- Physiology Department, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04023-062, Brazil; (V.H.M.d.M.); (C.P.D.S.); (A.V.N.-F.)
| | - Camila Paixão Dos Santos
- Physiology Department, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04023-062, Brazil; (V.H.M.d.M.); (C.P.D.S.); (A.V.N.-F.)
| | - Pietra Petrica Neves
- Laboratory of Translational Physiology, Nove de Julho University (UNINOVE), Sao Paulo 01525-000, Brazil; (P.P.N.); (M.R.H.D.)
| | - Antonio Viana Nascimento-Filho
- Physiology Department, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04023-062, Brazil; (V.H.M.d.M.); (C.P.D.S.); (A.V.N.-F.)
- Laboratory of Translational Physiology, Nove de Julho University (UNINOVE), Sao Paulo 01525-000, Brazil; (P.P.N.); (M.R.H.D.)
| | - Marina Rascio Henriques Dutra
- Laboratory of Translational Physiology, Nove de Julho University (UNINOVE), Sao Paulo 01525-000, Brazil; (P.P.N.); (M.R.H.D.)
| | - Nathalia Bernardes
- Postgraduate Program in Physical Education, São Judas Tadeu University, Sao Paulo 03166-000, Brazil;
| | - Maria Claúdia Irigoyen
- Hypertension Unit, Heart Institute (InCor), School of Medicine, University of Sao Paulo, Sao Paulo 05403-000, Brazil;
| | - Kátia De Angelis
- Physiology Department, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04023-062, Brazil; (V.H.M.d.M.); (C.P.D.S.); (A.V.N.-F.)
- Laboratory of Translational Physiology, Nove de Julho University (UNINOVE), Sao Paulo 01525-000, Brazil; (P.P.N.); (M.R.H.D.)
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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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Dos Santos CP, Nascimento-Filho AVD, Araujo AA, da Silva Dias D, Silva DR, Bernardes N, Shecaira TP, Irigoyen MC, De Angelis K. Parental fructose consumption induces early baroreflex dysfunction in offspring: impact on arterial pressure and on insulin resistance. Int J Obes (Lond) 2024; 48:284-287. [PMID: 37985745 DOI: 10.1038/s41366-023-01409-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/06/2023] [Accepted: 10/30/2023] [Indexed: 11/22/2023]
Abstract
Fructose overconsumption is a worldwide trend, and it has been found to cause metabolic disorders in parents and their offspring. Additionally, metabolic syndrome has been closely associated with increased cardiovascular risk. In this study, we hypothesized that the chronic fructose consumption by parents could trigger autonomic dysfunction and cardiometabolic disorders in their offspring. Wistar rats undergo an intake of 10% of fructose in drinking water or regular water for 60 days before mating. Their offspring, control (C) and fructose (F) groups, were evaluated 30 days after weaning. Lower birth weight, increased levels of blood triglycerides and insulin resistance were observed in F compared to C group. The offspring of the fructose parents showed increased mean arterial pressure (C: 104 ± 1 vs. F: 111 ± 2 mmHg) and baroreflex sensitivity impairment, characterized by reduced bradycardic (C: -1.6 ± 0.06 vs. F: -1.3 ± 0.06 bpm/mmHg) and tachycardic responses (C: -4.0 ± 0.1 vs. F: -3.1 ± 0.2 bpm/mmHg). Finally, a higher baroreflex-induced tachycardia was associated with lower insulin tolerance (r = -0.55, P < 0.03) and higher systolic arterial pressure (r = 0.54, P < 0.02). In conclusion, our findings indicate that the excessive consumption of fructose by parents is associated with early autonomic, cardiovascular, and metabolic derangement in the offspring, favoring an increased cardiometabolic risk when they reach adulthood.
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Affiliation(s)
- Camila Paixão Dos Santos
- Postgraduate Program in Translational Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil
| | | | - Amanda Aparecida Araujo
- Postgraduate Program in Translational Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Danielle da Silva Dias
- Postgraduate Program in Physical Education, Federal University of Maranhao, Sao Luis, Brazil
- Heart Institute (Incor), University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Deiwet Ribeiro Silva
- Laboratory of Translational Physiology, Universidade Nove de Julho , Sao Paulo, Brazil
| | - Nathalia Bernardes
- Human Movement Laboratory, Sao Judas Tadeu University, Sao Paulo, Brazil
| | - Tânia Plens Shecaira
- Postgraduate Program in Translational Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil
| | | | - Kátia De Angelis
- Postgraduate Program in Translational Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil.
- Laboratory of Translational Physiology, Universidade Nove de Julho , Sao Paulo, Brazil.
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dos Santos Ferreira Silva MP, Ferreira MJ, Shecaira TP, da Silva Dias D, Kimura DC, Irigoyen MC, Gomes GN, De Angelis K. Impact of exercise training associated with enalapril treatment on blood pressure variability and renal dysfunctions in an experimental model of arterial hypertension and postmenopause. PLoS One 2024; 19:e0296687. [PMID: 38198460 PMCID: PMC10781158 DOI: 10.1371/journal.pone.0296687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
OBJECTIVE In this study, we aimed to investigate the effects of the concurrent exercise training (CET) associated with the enalapril maleate on blood pressure variability (BPV) and renal profile in an experimental model of arterial hypertension (AH) and postmenopause. METHODS Female ovariectomized spontaneously hypertensive rats (SHR) were distributed into 4 groups (n = 8/group): sedentary (SO), sedentary + enalapril (SOE), trained (TO) and trained + enalapril (TOE). Both enalapril (3mg/kg) and CET (3 days/week) were conducted during 8 weeks. Blood pressure (BP) was directly recorded for BPV analyses. Renal function, morphology, inflammation and oxidative stress were assessed. RESULTS The SOE, TO e TOE groups presented decreased systolic BP compared with SO. Both trained groups (TO and TOE) presented lower BPV and increased baroreflex sensitivity (TO: 0.76 ± 0.20 and TOE: 1.02 ± 0.40 vs. SO: 0.40 ± 0.07 ms/mmHg) compared with SO group, with additional improvements in TOE group. Creatinine and IL-6 levels were reduced in SOE, TO and TOE compared with SO group, while IL-10 was increased only in TOE group (vs. SO). Enalapril combined with CET promote reduction in lipoperoxidation (TOE: 1.37 ± 0.26 vs. SO: 2.08 ± 0.48 and SOE: 1.84 ± 0.35 μmol/mg protein) and hydrogen peroxide (TOE: 1.89 ± 0.40 vs. SO: 3.70 ± 0.19 and SOE: 2.73 ± 0.70 μM), as well as increase in catalase activity (vs. sedentary groups). The tubulointerstitial injury was lower in interventions groups (SOE, TO and TOE vs. SO), with potentialized benefits in the trained groups. CONCLUSIONS Enalapril combined with CET attenuated BPV and baroreflex dysfunctions, probably impacting on end-organ damage, as demonstrated by attenuation in the AH-induced renal inflammations, oxidative stress and morphofunctional impairments in postmenopausal rats.
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Affiliation(s)
| | - Maycon Junior Ferreira
- Exercise Physiology Laboratory, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Tânia Plens Shecaira
- Translational Physiology Laboratory, Universidade Nove de Julho (UNINOVE), São Paulo, SP, Brazil
- Exercise Physiology Laboratory, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Danielle da Silva Dias
- Exercise Physiology Laboratory, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
- Hypertension Unit, Heart Institute (InCor), School of Medicine, Universidade de São Paulo (USP), São Paulo, SP, Brazil
- Postgraduate Program in Physical Education, Universidade Federal do Maranhão, São Luís, MA, Brazil
| | - Débora Conte Kimura
- Department of Physiology, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Maria Cláudia Irigoyen
- Postgraduate Program in Physical Education, Universidade Federal do Maranhão, São Luís, MA, Brazil
| | | | - Kátia De Angelis
- Translational Physiology Laboratory, Universidade Nove de Julho (UNINOVE), São Paulo, SP, Brazil
- Exercise Physiology Laboratory, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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Monteiro LM, Barbosa CF, Lichtenecker DCK, Argeri R, Gomes GN. Sex modifies the renal consequences of high fructose consumption introduced after weaning. Front Physiol 2023; 14:1090090. [PMID: 37008005 PMCID: PMC10050681 DOI: 10.3389/fphys.2023.1090090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 03/03/2023] [Indexed: 03/17/2023] Open
Abstract
After lactation, many children consume fructose-rich processed foods. However, overconsumption of these foods can predispose individuals to non-communicable chronic diseases, which can have different repercussions depending on the sex. Thus, we evaluated the effects of fructose overload introduced after weaning on the renal function of young rats of both sexes.Methods: After weaning, male and female offspring of Wistar rats were assigned to drink water (the male/water and female/water groups) or 20% D-fructose solution (male/fructose and female/fructose groups). Food and water or fructose solution was offered ad libitum. Rats were evaluated at 4 months. Parameters analyzed: blood pressure, body weight, triglyceride levels, glomerular filtration rate, sodium, potassium, calcium, and magnesium excretion, macrophage infiltration, and eNOS and 8OHdG expression in renal tissue. CEUA-UNIFESP: 2757270117.Results: Fructose intake affected the blood pressure, body weight, and plasma triglyceride in all rats. Glomerular filtration rate was significantly reduced in males that received fructose when compared to that of the control group. Sodium and potassium excretion decreased in all fructose-treated rats; however, the excreted load of these ions was significantly higher in females than in males. In the female control group, calcium excretion was higher than that of the male control group. Fructose overload increased magnesium excretion in females, and also increased macrophage infiltration and reduced eNOS expression in both males and females.Conclusion: Fructose overload introduced after weaning caused metabolic and renal changes in rats. Renal function was more affected in males; however, several significant alterations were also observed in the female-fructose group.
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Affiliation(s)
- Letícia Maria Monteiro
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
- Postgraduate Program in Translational Medicine, Department of Medicine, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | - Celine Farias Barbosa
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | | | - Rogério Argeri
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
- Postgraduate Program in Translational Medicine, Department of Medicine, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | - Guiomar Nascimento Gomes
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
- *Correspondence: Guiomar Nascimento Gomes,
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Jiang Y, Yabluchanskiy A, Deng J, Amil FA, Po SS, Dasari TW. The role of age-associated autonomic dysfunction in inflammation and endothelial dysfunction. GeroScience 2022; 44:2655-2670. [PMID: 35773441 PMCID: PMC9768093 DOI: 10.1007/s11357-022-00616-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/22/2022] [Indexed: 01/23/2023] Open
Abstract
Aging of the cardiovascular regulatory function manifests as an imbalance between the sympathetic and parasympathetic (vagal) components of the autonomic nervous system (ANS). The most characteristic change is sympathetic overdrive, which is manifested by an increase in the muscle sympathetic nerve activity (MSNA) burst frequency with age. Age-related changes that occur in vagal nerve activity is less clear. The resting tonic parasympathetic activity can be estimated noninvasively by measuring the increase in heart rate occurring in response to muscarinic cholinergic receptor blockade; animal study models have shown this to diminish with age. Humoral, cellular, and neural mechanisms work together to prevent non-resolving inflammation. This review focuses on the mechanisms underlying age-related alternations in the ANS and how an imbalance in the ANS, evaluated by MSNA and heart rate variability (HRV), potentially facilitates inflammation when the homeostatic mechanisms between reflex neural circuits and the immune system are compromised, particularly the dysfunction of the cholinergic anti-inflammatory reflex. Physiologically, the efferent arm of this reflex acts via the [Formula: see text] 7 nicotinic acetylcholine receptors expressed in macrophages, monocytes, dendritic cells, T cells, and endothelial cells to curb the release of inflammatory cytokines, in which inhibition of NF‑κB nuclear translocation and activation of a JAK/STAT-mediated signaling cascade in macrophages and other immune cells are implicated. This reflex is likely to become less adequate with advanced age. Consequently, a pro-inflammatory state induced by reduced vagus output with age is associated with endothelial dysfunction and may significantly contribute to the development and propagation of atherosclerosis, heart failure, and hypertension. The aim of this review is to summarize the relationship between ANS dysfunction, inflammation, and endothelial dysfunction in the context of aging. Meanwhile, this review also attempts to describe the role of HRV measures as a predictor of the level of inflammation and endothelial dysfunction in the aged population and explore the possible therapeutical effects of vagus nerve stimulation.
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Affiliation(s)
- Yunqiu Jiang
- Cardiovascular Section, Department of Internal Medicine, University of Oklahoma Health Sciences Center, 800 SL Young Blvd, COM 5400, Oklahoma City, OK, 73104, USA
| | - Andriy Yabluchanskiy
- Center for Geroscience and Healthy Brain Aging, Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Jielin Deng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, 430060, China
- Hubei Key Laboratory of Cardiology, Wuhan, 430060, China
| | - Faris A Amil
- Cardiovascular Section, Department of Internal Medicine, University of Oklahoma Health Sciences Center, 800 SL Young Blvd, COM 5400, Oklahoma City, OK, 73104, USA
| | - Sunny S Po
- Cardiovascular Section, Department of Internal Medicine, University of Oklahoma Health Sciences Center, 800 SL Young Blvd, COM 5400, Oklahoma City, OK, 73104, USA
- Heart Rhythm Institute, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Tarun W Dasari
- Cardiovascular Section, Department of Internal Medicine, University of Oklahoma Health Sciences Center, 800 SL Young Blvd, COM 5400, Oklahoma City, OK, 73104, USA.
- Heart Rhythm Institute, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.
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Argeri R, Nishi EE, Kimura Lichtenecker DC, Gomes GN. Effects of maternal fructose intake on the offspring’s kidneys. Front Physiol 2022; 13:969048. [PMID: 36148312 PMCID: PMC9485812 DOI: 10.3389/fphys.2022.969048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Fructose overload is associated with cardiovascular and metabolic disorders. During pregnancy, these alterations may affect the maternal environment and predispose offspring to diseases. Aims: To evaluate the renal morphology and function of offspring of dams that received fructose overload during pregnancy and lactation. Methods: Female Wistar rats were divided into the control (C) and fructose (F) groups. C received food and water ad libitum, and F received food and d-fructose solution (20%) ad libitum. The d-fructose offer started 1 week before mating and continued during pregnancy and lactation. The progeny were designated as control (C) or fructose (F); after weaning, half of the F received water to drink (FW), and half received d-fructose (FF). Blood pressure (BP) and renal function were evaluated. The expression of sodium transporters (NHE3-exchanger, NKCC2 and NCC-cotransporters, and ENaC channels) and markers of renal dysfunction, including ED1 (macrophage), eNOS, 8OHdG (oxidative stress), renin, and ACE 1 and 2, were evaluated. CEUA-UNIFESP: 2757270117. The FF group presented with reduced glomerular filtration rate and urinary osmolarity, increased BP, proteinuria, glomerular hypertrophy, macrophage infiltration, and increased expression of transporters (NHE3, NCC, and ENaC), 8OHdG, renin, and ACE1. The FW group did not show increased BP and renal functional alterations; however, it presented glomerular hypertrophy, macrophage infiltration, and increased expression of the transporters (NHE3, NKCC2, NCC, and ENaC), renin, and ACE1. These data suggest that fructose overload during fetal development alters renal development, resulting in the increased expression of renin, ACE1, and sodium transporters, thus predisposing to hypertension and renal dysfunction.
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Affiliation(s)
- Rogério Argeri
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
- Postgraduate Program in Translational Medicine, Department of Medicine, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | - Erika Emy Nishi
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | | | - Guiomar Nascimento Gomes
- Department of Physiology, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
- *Correspondence: Guiomar Nascimento Gomes,
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Monteiro LM, Barbosa CF, Lichtenecker DCK, Argeri R, Gomes GN. Maternal fructose intake during pregnancy and lactation: Later effects on renal function. Physiol Rep 2022; 10:e15470. [PMID: 36117297 PMCID: PMC9483175 DOI: 10.14814/phy2.15470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/26/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023] Open
Abstract
Excessive fructose consumption has been associated with hypertension and metabolic disorders and can alter physiological adaptations during pregnancy, with long-term detrimental consequences. This study evaluated in post-weaning mothers the effects of increased fructose consumption during pregnancy and lactation on blood pressure and renal function. Female Wistar rats were assigned to one of four experimental groups: non-pregnant control (NPC); pregnant control (PC); non-pregnant fructose (NPF), and pregnant fructose (PF). Control rats had free access to food and water, while the fructose groups had free access to food and to a 20% fructose solution, over the time period of the experiment. The systolic BP and renal function parameters were measured at the end of the experimental period, one week after weaning (28 days after delivery). The results were presented as means ± standard error. Higher values of BP were observed in both pregnant and non-pregnant rats treated with fructose compared to control. Creatinine clearance was reduced only in the PF group; however, both the PF and NPF groups had reduced Na+ and K+ excretions. In the PF group, there was also glomerular enlargement and changes in the media/lumen (M/L) ratio of interlobular arteries. Additionally, the PF group showed increased macrophage infiltration and expression of alpha-SM-actin and reduced expression of nitric-oxide-synthase endothelial in renal tissue. These findings suggest that the association of high fructose intake with pregnancy aggravated kidney changes that persisted for up to four weeks after delivery, which may represent a risk factor for maternal health.
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Affiliation(s)
- Leticia M. Monteiro
- Laboratory of Renal Physiology, Department of Physiology, Escola Paulista de MedicinaUniversidade Federal de Sao PauloSao PauloBrazil
- Postgraduate Program in Translational Medicine, Department of Medicine, Escola Paulista de MedicinaFederal University of São PauloSão PauloBrazil
| | - Celine F. Barbosa
- Laboratory of Renal Physiology, Department of Physiology, Escola Paulista de MedicinaUniversidade Federal de Sao PauloSao PauloBrazil
| | - Debora C. K. Lichtenecker
- Laboratory of Renal Physiology, Department of Physiology, Escola Paulista de MedicinaUniversidade Federal de Sao PauloSao PauloBrazil
| | - Rogério Argeri
- Laboratory of Renal Physiology, Department of Physiology, Escola Paulista de MedicinaUniversidade Federal de Sao PauloSao PauloBrazil
- Postgraduate Program in Translational Medicine, Department of Medicine, Escola Paulista de MedicinaFederal University of São PauloSão PauloBrazil
| | - Guiomar N. Gomes
- Laboratory of Renal Physiology, Department of Physiology, Escola Paulista de MedicinaUniversidade Federal de Sao PauloSao PauloBrazil
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xu C, Yu J. Pathophysiological Mechanisms of Hypertension Development Induced by Fructose Consumption. Food Funct 2022; 13:1702-1717. [DOI: 10.1039/d1fo03381f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
During the past several decades, there has been a dramatic increase in fructose consumption worldwide in parallel with epidemics of metabolic diseases. Accumulating evidence has suggested that excessive fructose consumption...
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Dipp T, Moraes-Silva IC, Dos Santos F, Casali KR, Morris M, Signori LU, De Angelis K, Aletti F, Irigoyen MC, Plentz RDM, Schaan BD. Acute ingestion of a high-fructose drink impairs vascular autonomic modulation and reflex control of blood pressure in first-degree relatives of diabetic patients. Diabetes Res Clin Pract 2021; 177:108793. [PMID: 33951480 DOI: 10.1016/j.diabres.2021.108793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 03/03/2021] [Accepted: 03/30/2021] [Indexed: 11/28/2022]
Abstract
First-degree relatives of diabetes patients, despite being euglycemic, presented impaired BRS and exacerbation of sympathetic modulation after ingestion of a high fructose drink when challenged to orthostatic stress. This finding alerts the importance of early autonomic dysfunction even in clinically healthy people, especially in face of a stressful situation.
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Affiliation(s)
- T Dipp
- Cardiology Institute (IC)/Cardiology University Foundation (FUC) of Rio Grande do Sul, Porto Alegre, Brazil; Physical Therapy Department, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - I C Moraes-Silva
- Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
| | - F Dos Santos
- Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
| | - K R Casali
- Science and Technology Institute, Federal University of São Paulo (UNIFESP), São José dos Campos, Brazil
| | - M Morris
- Institute of Neuro-Immune Medicine, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - L U Signori
- Biological Sciences Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - K De Angelis
- Department of Physiology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - F Aletti
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
| | - M C Irigoyen
- Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil.
| | - R D M Plentz
- Cardiology Institute (IC)/Cardiology University Foundation (FUC) of Rio Grande do Sul, Porto Alegre, Brazil; Physical Therapy Department, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - B D Schaan
- Endocrinology, Universidade Federal do Rio Grande do Sul e Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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11
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Cruz PL, Moraes-Silva IC, Ribeiro AA, Machi JF, de Melo MDT, Dos Santos F, da Silva MB, Strunz CMC, Caldini EG, Irigoyen MC. Nicotinamide attenuates streptozotocin-induced diabetes complications and increases survival rate in rats: role of autonomic nervous system. BMC Endocr Disord 2021; 21:133. [PMID: 34182970 PMCID: PMC8240217 DOI: 10.1186/s12902-021-00795-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/12/2021] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND To evaluate the effect of nicotinamide prior to streptozotocin-induced (STZ) diabetes in baroreflex sensitivity and cardiovascular autonomic modulation, and its association with hemodynamics and metabolic parameters. METHODS Methods: Male Wistar rats were divided into control (Cont) and STZ-induced diabetes (Diab). Half of the rats from each group received a single dose of nicotinamide (100 mg/Kg) before STZ injection (Cont+NicA and Diab+NicA). All groups were followed-up for 5 weeks. RESULTS Body weight loss of more than 40% was observed in Diab throughout the period (Diab: 271.00 ± 12.74 g; Diab+NicA: 344.62 ± 17.82). Increased glycemia was seen in Diab rats (541.28 ± 18.68 mg/dl) while Diab+NicA group had a slight decrease (440.87 ± 20.96 mg/dl). However, insulin resistance was observed only in Diab. In relation to Cont, heart rate, mean blood pressure and diastolic function were reduced when compared to Diab, together with parasympathetic modulation and baroreflex sensitivity. All of these parameters were improved in Diab+NicA when compared to Diab. Improved baroreflex sensitivity and parasympathetic modulation were correlated with glycemia, insulin resistance, and body weight mass. Additionally, Diab+NicA group increased survival rate. CONCLUSIONS Results suggest that the association of nicotinamide in STZ-induced diabetic rats prevents most of the expected derangements mainly by preserving parasympathetic and baroreflex parameters.
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Affiliation(s)
- Paula L Cruz
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Ivana C Moraes-Silva
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Amanda A Ribeiro
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Jacqueline F Machi
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Marcelo Dantas Tavares de Melo
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Fernando Dos Santos
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Maikon Barbosa da Silva
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Celia Maria Cassaro Strunz
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil
| | - Elia Garcia Caldini
- Department of Pathology, University of São Paulo Medical School, Sao Paulo, Brazil
| | - Maria-Claudia Irigoyen
- Heart Institute (InCor), University of São Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 - Bloco 1, subsolo, São Paulo, SP, 05403-900, Brazil.
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12
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Abstract
OBJECTIVE In addition to high blood pressure variability (BPV), low BPV was associated with adverse cardiovascular prognosis in selected high-risk patients. We explored this issue in the Systolic Blood Pressure Intervention Trial (SPRINT) using a nonlinear approach with BPV as a continuous variable. METHODS Long-term systolic BPV (SBPV) (coefficient of variation, CoV %) was calculated on quarterly visits until a fatal/nonfatal cardiovascular event or all-cause mortality, excluding titration period and patients with missing visits. We used Cox proportional hazard models with penalized smoothing splines to shape the risk of outcomes against the continuum of SBPV (independent variable). Adjusted hazard ratios (aHR, 95% CI) were calculated using the reference range derived from the nonlinear model. Sensitivity analysis based on propensity score matching (PSM) was performed. RESULTS The association of SBPV with fatal/nonfatal cardiovascular events was J-shaped, whereas that with all-cause mortality was linear. After multivariate adjustment, however, the only significant associations remained that of low SBPV (CoV <5%) with cardiovascular events (hazard ratio 1.85, 95% CI 1.24-2.75, P = 0.003), and of high SBPV (CoV >10%) with the composite of cardiovascular events and all-cause mortality (hazard ratio 1.35, 95% CI 1.02-1.80; P = 0.037). Low SBPV was associated with ischemic heart disease (hazard ratio 2.76, 95% CI 1.55-4.91; P < 0.001). There was a significant U-shaped association of SBPV with cardiovascular events in the PSM cohort. CONCLUSION Nonlinear modeling indicates that low and high long-term SBPV have prognostic relevance in high-risk hypertensive individuals from SPRINT. Randomized trials are needed to test these findings and their potential therapeutic implications.
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13
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Impact of an active lifestyle on heart rate variability and oxidative stress markers in offspring of hypertensives. Sci Rep 2020; 10:12439. [PMID: 32709890 PMCID: PMC7382460 DOI: 10.1038/s41598-020-69104-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 05/22/2020] [Indexed: 01/11/2023] Open
Abstract
Familial history of hypertension is associated with autonomic dysfunction and increase in blood pressure (BP). However, an active lifestyle has been found to improve a number of health outcomes and reduce all-cause mortality. The aim of the present study was to investigate the effects of an active lifestyle on hemodynamics, heart rate variability (HRV) and oxidative stress markers in offspring of hypertensive parents. One hundred twenty-seven subjects were assigned into four groups: sedentary offspring of normotensives (S-ON) or hypertensives (S-OH); and physically active offspring of normotensives (A-ON) or hypertensives (A-OH). Diastolic BP and heart rate were reduced in the physically active groups when compared to S-OH group. A-ON and A-OH groups presented increased values of RR total variance when compared to the sedentary ones (A-ON: 4,912 ± 538 vs. S-ON: 2,354 ± 159; A-OH: 3,112 ± 236 vs. S-OH: 2,232 ± 241 ms2). Cardiac sympato-vagal balance (LF/HF), systemic hydrogen peroxide and superoxide anion were markedly increased in S-OH group when compared to all other studied groups. Additionally, important correlations were observed between LF/HF with diastolic BP (r = 0.30) and hydrogen peroxide (r = 0.41). Thus, our findings seem to confirm an early autonomic dysfunction in offspring of hypertensive parents, which was associated with a systemic increase in reactive oxygen species and blood pressure. However, our most important finding lies in the attenuation of such disorders in offspring of physically active hypertensives, thus emphasizing the importance of a physically active lifestyle in the prevention of early disorders that may be associated with onset of hypertension.
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Dias DDS, Bernardes N, Stoyell-Conti FF, dos Santos CP, de Araujo AA, Llesuy S, Irigoyen MC, De Angelis K. Impact of combined exercise training on the development of cardiometabolic and neuroimmune complications induced by fructose consumption in hypertensive rats. PLoS One 2020; 15:e0233785. [PMID: 32521542 PMCID: PMC7286703 DOI: 10.1371/journal.pone.0233785] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 05/12/2020] [Indexed: 01/19/2023] Open
Abstract
This study evaluated the impact of combined exercise training on the development of cardiovascular and neuroimmune complications induced by fructose consumption (10% in the drinking water) in hypertensive rats (SHR). After weaning, SHR were divided into 3 groups: SHR (H), SHR+fructose (HF) and SHR+fructose+combined exercise training (treadmill+ladder, 40-60% of maximum capacity) (HFTC). Metabolic, hemodynamic, autonomic, inflammatory and oxidative stress parameters were evaluated in the subgroups (n = 6 group/time) at 7, 15, 30 and 60 days of protocol. Fructose consumption (H vs. HF groups) decreased spontaneous baroreflex sensitivity and total variance of pulse interval at day 7 (7 to 60); increased IL-6 and TNFα in the heart (at day 15, 30 and 60) and NADPH oxidase activity and cardiac lipoperoxidation (LPO) (day 60); increased white adipose tissue weight, reduced insulin sensitivity and increased triglycerides (day 60); induced an additional increase in mean arterial pressure (MAP) (days 30 and 60). Combined exercise training prevented such dysfunctions and sustained increased cardiac IL-10 (day 7) and glutathione redox balance (GSH/GSSG) for the entire protocol. In conclusion, combined exercise training performed simultaneously with exacerbated fructose consumption prevented early cardiovascular autonomic dysfunction, probably trigging positive changes in inflammation and oxidative stress, resulting in a better cardiometabolic profile in rats genetically predisposed to hypertension.
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Affiliation(s)
- Danielle da Silva Dias
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), Sao Paulo, Sao Paulo, Brazil
- Department of Physiology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Sao Paulo, Brazil
| | - Nathalia Bernardes
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), Sao Paulo, Sao Paulo, Brazil
| | | | - Camila Paixão dos Santos
- Department of Physiology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Sao Paulo, Brazil
| | | | - Susana Llesuy
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), Sao Paulo, Sao Paulo, Brazil
- Instituto Universitario Hospital Italiano, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Maria Cláudia Irigoyen
- Hypertension Unit, Heart Institute (InCor), School of Medicine, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Kátia De Angelis
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), Sao Paulo, Sao Paulo, Brazil
- Department of Physiology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Sao Paulo, Brazil
- * E-mail:
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15
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A New Insight into the Roles of MiRNAs in Metabolic Syndrome. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7372636. [PMID: 30648107 PMCID: PMC6311798 DOI: 10.1155/2018/7372636] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 11/28/2018] [Indexed: 12/13/2022]
Abstract
Metabolic syndrome (MetS), which includes several clinical components such as abdominal obesity, insulin resistance (IR), dyslipidemia, microalbuminuria, hypertension, proinflammatory state, and oxidative stress (OS), has become a global epidemic health issue contributing to a high risk of type 2 diabetes mellitus (T2DM). In recent years, microRNAs (miRNAs), used as noninvasive biomarkers for diagnosis and therapy, have aroused global interest in complex processes in health and diseases, including MetS and its components. MiRNAs can exist stably in serum, liver, skeletal muscle (SM), heart muscle, adipose tissue (AT), and βcells, because of their ability to escape the digestion of RNase. Here we first present an overall review on recent findings of the relationship between miRNAs and several main components of MetS, such as IR, obesity, diabetes, lipid metabolism, hypertension, hyperuricemia, and stress, to illustrate the targeting proteins or relevant pathways that are involved in the progress of MetS and also help us find promising novel diagnostic and therapeutic strategies.
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Shimojo GL, da Silva Dias D, Malfitano C, Sanches IC, Llesuy S, Ulloa L, Irigoyen MC, De Angelis K. Combined Aerobic and Resistance Exercise Training Improve Hypertension Associated With Menopause. Front Physiol 2018; 9:1471. [PMID: 30420811 PMCID: PMC6215975 DOI: 10.3389/fphys.2018.01471] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 09/28/2018] [Indexed: 12/14/2022] Open
Abstract
The prevalence of hypertension sharply increases in menopausal women. Recent studies have demonstrated that aerobic or resistance training may help control hypertension. In this study, we report that combining aerobic and resistance training may provide an effective therapeutic approach for hypertension control, attenuating inflammation and oxidative stress in ovariectomized rats. Female Wistar and spontaneous hypertensive rats (SHR) were distributed into four groups: sedentary control (C), sedentary hypertensive (HR), sedentary hypertensive ovariectomized (HR-O), and combined trained hypertensive ovariectomized (T-HR-O). Combined exercise training was performed on a motor treadmill (aerobic training) and on a ladder adapted to rats (resistance training), in alternate days for 8 weeks. Direct arterial pressure was recorded and oxidative stress and inflammation were evaluated in cardiac and renal tissue. Ovariectomy increases increased mean arterial blood pressure, sympathetic modulation, and oxidative stress in SHR. Combining aerobic and resistance training reduced mean arterial blood pressure (12% vs. HR-O), heart rate (8% vs. HR-O), vascular sympathetic modulation (40% vs. HR-O), and improved baroreflex sensitivity. Combined training reduced cardiac inflammation (TNF and IL-6) and cardiac and renal lipoperoxidation (59% and 57%, respectively vs. HR-O). It also enhanced cardiac (71%) and renal (76%) total antioxidant capacity when compared to HR-O group. In conclusion, combining aerobic and resistance training improves mean arterial blood pressure, cardiovascular autonomic control, preventing cardiac and renal oxidative stress and inflammation in an experimental hypertension model with surgical menopause induced with ovariectomy.
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Affiliation(s)
- Guilherme Lemos Shimojo
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Danielle da Silva Dias
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Christiane Malfitano
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil
| | | | - Susana Llesuy
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil.,Departamento de Química Analítica y Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Luis Ulloa
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil.,Center for Immunology and Inflammation, Department of Surgery, Rutgers-New Jersey Medical School, Rutgers University, Newark, NJ, United States
| | | | - Kátia De Angelis
- Laboratory of Translational Physiology, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil.,Department of Physiology, Federal University of São Paulo, São Paulo, Brazil
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