1
|
Moreno LG, César NR, Melo DS, Figueiró MTO, Dos Santos EC, Evangelista-Silva PH, de Sousa Santos C, Costa KB, Rocha-Vieira E, Dias-Peixoto MF, Castro Magalhães FD, Esteves EA. A MUFA/carotenoid-rich oil ameliorated insulin resistance by improving inflammation and oxidative stress in obese rats. Mol Cell Endocrinol 2024; 581:112110. [PMID: 37981187 DOI: 10.1016/j.mce.2023.112110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/21/2023]
Abstract
Obesity is associated with low-grade inflammation and oxidative stress, leading to insulin resistance and type II diabetes. Caryocar brasiliense pulp oil (pequi oil - PO) is rich in oleic acid and carotenoids and positively implicated in regulating inflammation and oxidative stress. This study investigated PO's antioxidant and anti-inflammatory effects in a diet-induced obesity model. Male Wistar rats were allocated into three experimental groups: Control (CD), Western Diet (WD), and Western Diet, with 27% of lard switched by PO (WDP). Metabolic, inflammatory, and oxidative stress biomarkers were evaluated after 12 weeks of diet protocols in liver and adipose tissue. WDP rats gained less body mass and epididymal fat, had less hepatic fat infiltration, and were more glucose-tolerant and insulin-sensitive than WD (p < 0.05). In the liver, the WDP group had the highest non-enzymatic antioxidant capacity, SOD and GPx activities, CAT, SOD II, and HSP72 expression compared to WD (p < 0.05). Adipose tissue IL-6 and TNF were reduced, and IL-10 was increased in WDP compared to WD (p < 0.05). Our data suggest that the partial replacement of lard by PO in a Western diet prevented visceral fat accumulation and contributed to reducing inflammation in adipose tissue and liver oxidative stress, improving obesity-related insulin resistance.
Collapse
Affiliation(s)
- Lauane Gomes Moreno
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Nayara Rayane César
- Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Dirceu Sousa Melo
- Instituto de Ciências Naturais, Departamento de Biologia, Universidade Federal de Lavras - UFLA, Aquenta Sol, Lavras, MG, 37200-900, Brazil.
| | - Maria Thereza Otoni Figueiró
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Edivânia Cordeiro Dos Santos
- Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | | | - Carina de Sousa Santos
- Faculdade de Ciências da Saúde, Curso de Nutrição, Universidade Federal de Grande Dourados - UFGD, Dourados, Brazil.
| | - Karine Beatriz Costa
- Programa de Pós-graduação Em Ciências Aplicadas à Saúde - PPgCAS, Universidade Federal de Juiz de Fora - UFJF, Governador Valadares, MG, 35010-180, Brazil.
| | - Etel Rocha-Vieira
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil; Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Marco Fabrício Dias-Peixoto
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil; Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Flávio de Castro Magalhães
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil; Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| | - Elizabethe Adriana Esteves
- Programa de Pós-Graduação Em Ciências da Saúde, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil; Programa de Pós-graduação Multicêntrico Em Ciências Fisiológicas, Universidade Federal Dos Vales Do Jequitinhonha e Mucuri, Rodovia MGT 367 - Km 583. N. 5000, Alto da Jacuba, Diamantina, MG, 39100-000, Brazil.
| |
Collapse
|
2
|
Melo DDS, Costa Pereira L, Santos CS, Mendes BF, Konig IFM, Garcia BCC, Queiroz IP, Moreno LG, Cassilhas RC, Esteves EA, Vieira ER, Magalhães FDC, Capettini LDSA, Sousa RALD, Sampaio KH, Dias Peixoto MF. Intense Caloric Restriction from Birth Prevents Cardiovascular Aging in Rats. Rejuvenation Res 2023; 26:194-205. [PMID: 37694594 DOI: 10.1089/rej.2023.0032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023] Open
Abstract
We previously demonstrated that a 50% caloric restriction (CR) from birth improves several cardiometabolic risk factors in young rats. In this study, we investigated in middle-aged rats the consequences of a 50% CR from birth on cardiometabolic risk factors, heart function/morphology, ventricular arrhythmia, and fibrillation incidence, and cardiac intracellular proteins involved with redox status and cell survival. From birth to the age of 18 months, rats were divided into an Ad Libitum (AL18) group, which had free access to food, and a CR18 group, which had food limited to 50% of that consumed by the AL18. Resting metabolic rate, blood pressure, and heart rate were recorded, and oral glucose and intraperitoneal insulin tolerance tests were performed. Blood was collected for biochemical analyses, and visceral fat and liver were harvested and weighed. Hearts were harvested for cardiac function, histological, redox status, and western blot analyses. The 50% CR from birth potentially reduced several cardiometabolic risk factors in 18-month-old rats. Moreover, compared with AL18, the CR18 group showed a ∼50% increase in cardiac contractility and relaxation, nearly three to five times less incidence of ventricular arrhythmia and fibrillation, ∼18% lower cardiomyocyte diameter, and ∼60% lower cardiac fibrosis. CR18 hearts also improved biomarkers of antioxidant defense and cell survival. Collectively, these results reveal several metabolic and cardiac antiaging effects of a 50% CR from birth in middle-aged rats.
Collapse
Affiliation(s)
- Dirceu de Sousa Melo
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Liliane Costa Pereira
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Carina Sousa Santos
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Bruno Ferreira Mendes
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | | | - Bruna Caroline Chaves Garcia
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Ilkilene Pinheiro Queiroz
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Lauane Gomes Moreno
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Ricardo Cardoso Cassilhas
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Elizabethe Adriana Esteves
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Etel Rocha Vieira
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Flávio de Castro Magalhães
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | | | - Ricardo Augusto Leoni De Sousa
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Kinulpe Honorato Sampaio
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Marco Fabrício Dias Peixoto
- Programa de Pós-graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| |
Collapse
|
3
|
Turconi L, Cavalleri F, Moreno LG, Surbano M, Illescas L, Bouchacourt JP, Kohn E, Ferrari G, Riva J. Inferior vena cava ultrasonography before general anesthesia cannot predict arterial hypotension in patients undergoing vascular surgery. Rev Esp Anestesiol Reanim (Engl Ed) 2022; 69:195-202. [PMID: 35537942 DOI: 10.1016/j.redare.2021.03.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 03/30/2021] [Indexed: 06/14/2023]
Abstract
INTRODUCTION Intraoperative hypotension (IH) is an independent predictor of mortality. Some experts have suggested that ultrasound measurement of the inferior vena cava (IVC) in spontaneous ventilation can predict IH. OBJECTIVE To evaluate the capacity of ultrasound measures of IVC in spontaneous ventilation to predict episodes of IH after anaesthesia induction. PATIENTS AND METHODS We studied 55 high-risk cardiac patients undergoing vascular surgery. The maximum (dIVCmax) and minimum (dIVCmin) diameter of the IVC were measured and the collapsibility index CI = (dIVCmax-dIVCmin)/dIVCmax was calculated prior to anaesthesia induction. Three definitions of IH were used: systolic blood pressure (SBP) less than 100 mmHg, mean arterial pressure (MAP) less than 60 mmHg, and a decrease in MAP greater than or equal to 30% compared to baseline. RESULTS There were no significant differences in dIVCmax or in CI between patients presenting IH after anaesthesia induction and those who did not. ROC curves for dIVCmax showed an area under the curve of 0.55 (0.39-0.70), 0.69 (0.48-0.90), and 0.57 (0.42-0.73) and ROC curves for the CI were 0.62 (0.47-0.78), 0.60 (0.41-0.78) and 0.62 (0.47-0.78) for the 3 definitions of IH (<100 mmHg, MAP < 60 mmHg, and MAP ≥30% baseline), respectively. CONCLUSIONS Ultrasound measurements of IVC in spontaneous ventilation are not good predictors of IH after anaesthesia induction in these patients. The optimal cut-off points show low specificity and moderate sensitivity for predicting IH.
Collapse
Affiliation(s)
- L Turconi
- Profesora adjunta, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - F Cavalleri
- Profesora adjunta, Departamento de Medicina Preventiva y Social, licenciada en Estadística, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - L G Moreno
- Profesor adjunto, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - M Surbano
- Profesora adjunta, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - L Illescas
- Profesora agregada, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - J P Bouchacourt
- Profesor agregado, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - E Kohn
- Profesor agregado, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - G Ferrari
- Asistente, Departamento de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay
| | - J Riva
- Profesor de Anestesiología, Hospital de Clínicas Dr. Manuel Quintela, Montevideo, Uruguay.
| |
Collapse
|
4
|
Evangelista-Silva PH, Prates RP, Leite JSM, Moreno LG, Goulart-Silva F, Esteves EA. Intestinal GLUT5 and FAT/CD36 transporters and blood glucose are reduced by a carotenoid/MUFA-rich oil in high-fat fed mice. Life Sci 2021; 279:119672. [PMID: 34097971 DOI: 10.1016/j.lfs.2021.119672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/20/2021] [Accepted: 05/22/2021] [Indexed: 10/21/2022]
Abstract
AIMS Intestinal nutrient absorption plays a vital role in developing obesity, and nutrient transporters expressed in the enterocytes facilitate this process. Moreover, previous studies have shown that specific foods and diets can affect their cell levels. Herein, we investigated the effects of pequi oil (PO), which is high in several bioactive compounds, on intestinal nutrient transporter levels as well as on intestinal morphology and metabolic biomarkers. MAIN METHODS Groups of male C57BL/6 mice were fed either a standard (C) or a high-fat diet (HFD) and pequi oil (CP and HFDP with PO by gavage at 150 mg/day) for eight weeks. Food intake and body weight were monitored, serum metabolic biomarkers, intestinal transporter levels and histological analyses were performed. KEY FINDINGS PO increased caloric intake without increasing body or fat mass regardless of diet. The HFD group treated with PO reduced fasting blood glucose and villus width. PO did not affect GLUT2, L-FABP, FATP4, NPC1L1, NHE3 or PEPT1 content in CP or HFDP groups. GLUT5 and FAT/CD36 levels were reduced in both CP and HFDP. SIGNIFICANCE Our data suggest that PO attenuated monosaccharide and fatty acid absorption, contributing to lower fasting glycemia and higher food intake without affecting body weight or visceral fat of high-fat feed mice.
Collapse
Affiliation(s)
- Paulo Henrique Evangelista-Silva
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil; Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Rodrigo Pereira Prates
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil
| | - Jaqueline Santos Moreira Leite
- Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Lauane Gomes Moreno
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil
| | - Francemilson Goulart-Silva
- Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Elizabethe Adriana Esteves
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil.
| |
Collapse
|
5
|
Rodrigues MOM, Evangelista-Silva PH, Neves NN, Moreno LG, Santos CS, Rocha KLS, Ottone VO, Batista-da-Silva B, Dias-Peixoto MF, Magalhães FC, Esteves EA. Caloric restriction-induced weight loss with a high-fat diet does not fully recover visceral adipose tissue inflammation in previously obese C57BL/6 mice. Appl Physiol Nutr Metab 2020; 45:1353-1359. [PMID: 32574503 DOI: 10.1139/apnm-2020-0220] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Caloric restriction (CR) reduces body weight and systemic inflammation, but the effects on adipose tissue under dietary lipid overload are controversial. We evaluated the effects of CR-induced weight loss with a high-fat diet on adipose tissue inflammation of obese mice. Male mice were assigned into low-fat diet (LF) and high-fat diet (HF) groups. After 8 weeks, the mice in the HF group were reassigned for another 7 weeks into the following 3 conditions: (i) kept in the HF condition; (ii) changed to low-fat diet ad libitum (LFAL); and (iii) changed to high-fat calorie-restricted (RHF) diet to reach LFAL body weight. Serum markers, adipocytokines, morphology, and inflammatory infiltrates in retroperitoneal adipose tissue (RAT) were accessed. The body weights of the LFAL and RHF groups were reduced, equaling the body weights of the LF group. The LFAL mice had restored almost all inflammatory markers as the LF mice, except tumor necrosis factor-alpha (TNF-α), monocyte chemoattractant protein-1 (MCP-1), and adiponectin. Compared with the HF group, the RHF group had lowered visceral adiposity, retroperitoneal adipocyte sizes, and RAT inflammatory cell infiltration, as well as TNF-α, interleukin-6, and hepatic and serum C-reactive protein, which were higher than that of the LFAL group; adiponectin and MCP-1 did not change. CR with high-fat diet reduced body weight and attenuated visceral adiposity but did not fully recover visceral tissue inflammation. Novelty Caloric restriction in a high-fat diet ameliorated visceral adiposity. Caloric restriction in a high-fat diet did not recover visceral adipose tissue inflammation.
Collapse
Affiliation(s)
- M O M Rodrigues
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - P H Evangelista-Silva
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - N N Neves
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - L G Moreno
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - C S Santos
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - K L S Rocha
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - V O Ottone
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - B Batista-da-Silva
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia, MG 38408-100, Brazil
| | - M F Dias-Peixoto
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - F C Magalhães
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - E A Esteves
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| |
Collapse
|
6
|
Oliveira LG, Moreno LG, Melo DS, Costa-Pereira LV, Carvalho MMDF, Silva PHE, Alves AM, Magalhães FDC, Dias-Peixoto MF, Esteves EA. Caryocar brasiliense oil improves cardiac function by increasing Serca2a/PLB ratio despite no significant changes in cardiovascular risk factors in rats. Lipids Health Dis 2017; 16:37. [PMID: 28179001 PMCID: PMC5299795 DOI: 10.1186/s12944-017-0422-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 01/21/2017] [Indexed: 12/15/2022] Open
Abstract
Background Caryocar brasiliense (pequi) oil is high in monounsaturated fat acids (MUFA), especially oleic, and in carotenoids, which have been associated with protection against cardiovascular disease. However, this food is poorly studied in this context, especially in the cardiac function. Therefore, we investigated the effects of a long-term intake of pequi oil in systemic cardiovascular risk factors and in the ex vivo cardiac function of rats. Methods Previously, we determined fatty acids and carotenoids in pequi oil. Next, male rats were divided in C – control group feed a standard diet, and PO – pequi oil group fed the same diet added pequi oil (+2.25 g.100 g−1). After 15 weeks, plasma lipids, glucose, insulin, blood pressure, heart rate, hepatic lipids were accessed and visceral fat pads were harvested. Hearts were used for the ex vivo cardiac function, histologic assays, SERCA2a and phospholanban (PLB) determinations. Results In agreement with scientific data, pequi oil had expressive amounts MUFA, especially oleic acid, and carotenoids. Hepatic triglycerides (TG) were reduced by pequi oil intake (p < 0.05). All others cardiovascular risk factors were not changed. The intrinsic heart rate was lower in PO group (p < 0.05). SERCA2a content was higher in this group (p < 0.05), without affecting PLB. Also, SERCA2a/PLB ratio increased in PO group (p < 0.05). Conclusion Pequi oil intake improved cardiac function ex vivo, despite no significant changes in systemic cardiovascular risk factors. The higher lipid offer in pequi oil diet, its composition in oleic acid and carotenoids could be related to those effects.
Collapse
Affiliation(s)
- Lidiane Guedes Oliveira
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Lauane Gomes Moreno
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Dirceu Sousa Melo
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Liliane Vanessa Costa-Pereira
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Mayara Medeiros de Freitas Carvalho
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto - Campus Universitário, Morro do Cruzeiro, Ouro Preto, MG, Brazil, CEP: 35400-000
| | - Paulo Henrique Evangelista Silva
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Ana Maria Alves
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Flávio de Castro Magalhães
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Marco Fabrício Dias-Peixoto
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000
| | - Elizabethe Adriana Esteves
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis) - Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG, Brazil, CEP: 39100-000.
| |
Collapse
|
7
|
Esteves EA, Oliveira Costa M, Gomes Moreno L, Viana AMF, Carvalho Cabral A, Bressan J. Dietary restraint, dietary disinhibition and susceptibility to hunger of normal weight and overweight women. Revista Española de Nutrición Humana y Dietética 2012. [DOI: 10.1016/s2173-1292(12)70066-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
|