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Abstract
Legumes are an essential food source worldwide. Their high-quality proteins, complex carbohydrates, dietary fiber, and relatively low-fat content make these an important functional food. Known to possess a multitude of health benefits, legume consumption is associated with the prevention and treatment of cardiovascular diseases (CVD). Legume crude protein isolates and purified peptides possess many cardiopreventive properties. Here, we review selected economically valued legumes, their taxonomy and distribution, biochemical composition, and their protein components and the mechanism(s) of action associated with cardiovascular health. Most of the legume protein studies had shown upregulation of low-density lipoprotein (LDL) receptor leading to increased binding and uptake, in effect significantly reducing total lipid levels in the blood serum and liver. This is followed by decreased biosynthesis of cholesterol and fatty acids. To understand the relationship of identified genes from legume studies, we performed gene network analysis, pathway, and gene ontology (GO) enrichment. Results showed that the genes were functionally interrelated while enrichment and pathway analysis revealed involvement in lipid transport, fatty acid and triglyceride metabolic processes, and regulatory processes. This review is the first attempt to collate all known mechanisms of action of legume proteins associated with cardiovascular health. This also provides a snapshot of possible targets leading to systems-level approaches to further investigate the cardiometabolic potentials of legumes.
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Pacheco NCS, de Almeida APC, de Siqueira KC, de Lima FM, Reis SRDL, Latorraca MQ, Stoppiglia LF. Nutritional recovery with a soybean diet impaired the glucagon response but did not alter liver gluconeogenesis in the adult offspring of rats deprived of protein during pregnancy and lactation. Appl Physiol Nutr Metab 2019; 44:13-21. [PMID: 29932877 DOI: 10.1139/apnm-2017-0859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Nutritional recovery of early malnutrition with a soybean diet reduces liver glycogen stores in the fed state and produces liver insulin resistance. We investigated whether nutritional recovery on a soybean flour diet alters hepatic gluconeogenesis in the adult offspring of rats deprived of protein during pregnancy and lactation. Male rats from mothers that were fed either 17% (C) or 6% (L) protein during pregnancy and lactation were maintained on a 17% casein (CC, n = 16 and LC, n = 17), 17% soybean flour (CS, n = 10 and LS, n = 10), or 6% casein (LL, n = 10) diet after weaning. The soybean diet reduced basal serum glucose (soybean diet, 5.6 ± 0.6 mmol/L vs. casein diet, 6.2 ± 0.6 mmol/L; p < 0.05) but increased alanine aminotransferase mRNA/GAPDH (soybean diet, 0.062 ± 0.038 vs. casein diet, 0.024 ± 0.011; p < 0.01), phosphoenolpyruvate carboxykinase mRNA/GAPDH (soybean diet, 1.53 ± 0.52 vs. casein diet, 0.95 ± 0.43; p < 0.05), and glycerokinase protein content (soybean diet, 0.86 ± 0.08 vs. casein diet, 0.75 ± 0.11; p < 0.05). The serum glucose concentration (recovered groups, 5.6 ± 0.5 mmol/L vs. control groups, 6.2 ± 0.7 mmol/L; p < 0.05) and phosphoenolpyruvate carboxykinase activity (recovered groups, 2.8 ± 0.6 μU/mg vs. control groups, 3.6 ± 0.6 μU/mg; p < 0.05) were decreased in rats subjected to protein restriction in early life. The glucose area under the curve during the pyruvate tolerance test did not differ among groups, whereas glucose area under the curve after glucagon infusion was reduced by early malnutrition (recovered groups, 4210 ± 572 mg/dL·40 min vs. control groups, 4493 ± 688 mg/dL·40 min; p < 0.001) and by the soybean diet (soybean diet, 3995 ± 500 mg/dL·40 min vs. casein diet, 4686 ± 576 mg/dL·40 min; p < 0.05). Thus, the soybean diet impaired the response to glucagon but did not alter gluconeogenesis.
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Affiliation(s)
- Nelma Cristina Silva Pacheco
- a Mestrado em Biociências, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Ana Paula Carli de Almeida
- a Mestrado em Biociências, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Kariny Cássia de Siqueira
- a Mestrado em Biociências, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Faena Moura de Lima
- a Mestrado em Biociências, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Sílvia Regina de Lima Reis
- b Departamento de Alimentos Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Márcia Queiroz Latorraca
- b Departamento de Alimentos Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Luiz Fabrizio Stoppiglia
- c Departamento de Psicologia, Instituto de Educação, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
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Reis SRDL, Feres NH, Ignacio-Souza LM, Veloso RV, Arantes VC, Kawashita NH, Colodel EM, Botosso BL, Reis MADB, Latorraca MQ. Nutritional recovery with a soybean diet after weaning reduces lipogenesis but induces inflammation in the liver in adult rats exposed to protein restriction during intrauterine life and lactation. Mediators Inflamm 2015; 2015:781703. [PMID: 25892856 PMCID: PMC4393912 DOI: 10.1155/2015/781703] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 10/23/2014] [Accepted: 11/18/2014] [Indexed: 02/07/2023] Open
Abstract
We evaluated the effects of postweaning nutritional recovery with a soybean flour diet on de novo hepatic lipogenesis and inflammation in adult rats exposed to protein restriction during intrauterine life and lactation. Rats from mothers fed with protein (casein) in a percentage of 17% (control, C) or 6% (low, L) during pregnancy and lactation were fed with diet that contained 17% casein (CC and LC groups, resp.) or soybean (CS and LS groups, resp.) after weaning until 90 days of age. LS and CS rats had low body weight, normal basal serum triglyceride levels, increased ALT concentrations, and high HOMA-IR indices compared with LC and CC rats. The soybean diet reduced PPARγ as well as malic enzyme and citrate lyase contents and activities. The lipogenesis rate and liver fat content were lower in LS and CS rats relative to LC and CC rats. TNFα mRNA and protein levels were higher in LS and CS rats than in LC and CC rats. NF-κB mRNA levels were lower in the LC and LS groups compared with the CC and LC groups. Thus, the soybean diet prevented hepatic steatosis at least in part through reduced lipogenesis but resulted in TNFα-mediated inflammation.
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Affiliation(s)
- Sílvia Regina de Lima Reis
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Naoel Hassan Feres
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Leticia Martins Ignacio-Souza
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Roberto Vilela Veloso
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Vanessa Cristina Arantes
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Nair Honda Kawashita
- Departamento de Química, Instituto de Ciências Exatas e da Terra, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Edson Moleta Colodel
- Departamento de Clínica Médica Veterinária, Faculdade de Agronomia e Medicina Veterinária, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Bárbara Laet Botosso
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Marise Auxiliadora de Barros Reis
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Márcia Queiroz Latorraca
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
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Paiva AA, Faiad JZ, Taki MS, de Lima Reis SR, de Souza LMI, Dos Santos MP, Chaves VE, Kawashita NH, de Oliveira HCF, Raposo HF, Carneiro EM, Latorraca MQ, Gomes-da-Silva MHG, Martins MSF. A soyabean diet does not modify the activity of brown adipose tissue but alters the rate of lipolysis in the retroperitoneal white adipose tissue of male rats recovering from early-life malnutrition. Br J Nutr 2012; 108:1042-51. [PMID: 22152781 DOI: 10.1017/s0007114511006180] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Nutritional recovery with a soyabean diet decreases body and fat weights when compared with a casein diet. We investigated whether the reduced adiposity observed in rats recovering from early-life malnutrition with a soyabean diet results from alterations in lipid metabolism in white adipose tissue (WAT) and/or brown adipose tissue (BAT). Male rats from mothers fed either 17 or 6 % protein during pregnancy and lactation were maintained on 17 % casein (CC and LC groups), 17 % soyabean (CS and LS groups) or 6 % casein (LL group) diets over 60 d. The rats maintained on a soyabean diet had similar relative food intakes, but lower body and retroperitoneal WAT weights and a reduced lipid content in the retroperitoneal WAT. The insulin levels were lower in the recovered rats and were elevated in those fed a soyabean diet. Serum T3 concentration and uncoupling protein 1 content in the BAT were decreased in the recovered rats. The thermogenic capacity of the BAT was not affected by the soyabean diet. The lipogenesis rate in the retroperitoneal WAT was similar in all of the groups except for the LL group, which had exacerbated lipogenesis. The enhancement of the lipolysis rate by isoproterenol was decreased in white adipocytes from the soyabean-recovered rats and was elevated in adipocytes from the soyabean-control rats. Thus, in animals maintained on a soyabean diet, the proportions of fat deposits are determined by the lipolysis rate, which differs depending on the previous nutritional status.
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Affiliation(s)
- Adriene Alexandra Paiva
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, Mato Grosso, Brazil
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Abnormal plasma peptide YY(3-36) levels in patients with liver cirrhosis. Nutrition 2012; 27:880-4. [PMID: 21819934 DOI: 10.1016/j.nut.2010.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Revised: 12/14/2010] [Accepted: 12/14/2010] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Peptide YY(3-36) (PYY(3-36)) is a gut hormone with anorectic action that also affects energy expenditure. Anorexia and malnutrition are often observed in patients with decompensated liver cirrhosis (LC), whereas patients with LC after insertion of transjugular portosystemic stent shunts (TIPS) show normal eating behavior. The underlying mechanism of anorexia in decompensated LC and its resolution in patients with TIPS is still unclear. We thus investigated fasting and postprandial PYY(3-36) serum levels in patients with decompensated LC, patients with compensated LC with in situ TIPS, and healthy controls. METHODS We analyzed fasting PYY(3-36) levels in six patients with decompensated LC (four men and two women, 55 ± 11 y of age), nine patients with TIPS (seven men and two women, 48 ± 11 y of age), and 10 controls (eight men and two women, 43 ± 9 y of age) postprandially after a standardized meal of 300 kcal and during 1-h continuous parenteral nutrition. Energy expenditure was determined by indirect calorimetry. RESULTS At baseline PYY(3-36) was comparable in controls and patients with TIPS (91 ± 10 and 89 ± 25 ng/L) but was increased in patients with decompensated LC (165 ± 44 ng/L, P < 0.01). Although the cumulative postprandial PYY(3-36) increase was similar in controls (mean 2089 ng/240 min per liter) and patients with decompensated LC (mean 1735 ng/240 min per liter), no postprandial PYY(3-36) increase was observed in patients with TIPS (mean -579 ng/240 min per liter). Parenteral nutrition did not significantly affect PYY(3-36) levels in any group. Fasting PYY(3-36) values were negatively related to resting energy expenditure (r = -0.443, P = 0.030). PYY(3-36) was not associated to liver parameters (e.g., bilirubin, alanine aminotransferase). CONCLUSION Our results demonstrate an abnormal neuroendocrine regulation of PYY(3-36) in patients with decompensated LC and those with TIPS.
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Cheim LMG, Oliveira EA, Arantes VC, Veloso RV, Reis MAB, Gomes-da-Silva MHG, Carneiro EM, Boschero AC, Latorraca MQ. Effect of nutritional recovery with soybean flour diet on body composition, energy balance and serum leptin concentration in adult rats. Nutr Metab (Lond) 2009; 6:34. [PMID: 19703309 PMCID: PMC2748074 DOI: 10.1186/1743-7075-6-34] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2008] [Accepted: 08/24/2009] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Malnutrition in early life is associated with obesity in adulthood and soybean products may have a beneficial effect on its prevention and treatment. This study evaluated body composition, serum leptin and energy balance in adult rats subjected to protein restriction during the intrauterine stage and lactation and recovering on a soybean flour diet. METHODS Five groups of the Wistar strain of albino rats were used: CC, offspring born to and suckled by mothers fed a control diet and fed the same diet after weaning; CS, offspring born to and suckled by mothers fed a control diet and fed a soybean diet with 17% protein after weaning; LL, offspring of mothers fed a low protein diet and fed the same diet after weaning; LC, offspring of mothers fed a low protein diet, but fed a control diet after weaning; LS, offspring of mothers fed a low protein diet, but fed a soybean diet with 17% protein after weaning. Food intake, body, perirenal and retroperitoneal adipose tissue were measured in grams. Leptin was quantified using the Enzyme Linked Immuno Sorbent Assay (ELISA) and insulin by radioimmunoassay (RIA). Carcass composition was determined by chemical methods and energy expenditure was calculated by the difference between energy intake and carcass energy gain. Data were tested by analysis of variance (ANOVA). RESULTS The LC and LS groups had higher energetic intake concerning body weight, lower energy expenditure, proportion of fat carcass and fat pads than CC and CS groups. The LS group showed reduced body weight gain and lower energy efficiency, which was reflected in less energy gain as protein and the proportion of carcass protein, and lower energy gain as lipid than in the LC groups, although both groups had eaten the same amount of diet and showed equal energy expenditure. Serum leptin did not differ among groups and was unrelated to food or energy intake and energy expenditure. Serum insulin was higher in the LS than in the LC group. CONCLUSION Protein restriction during intrauterine life and lactation periods did not provoke obesity in adulthood. Nutritional recovery with soybean diet decreased the body weight at the expense of lower energy efficiency with repercussion on lean mass.
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Affiliation(s)
- Loanda Maria G Cheim
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, Mato Grosso, Brasil.
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