Publications by authors named "Joao M O Andrade"

Background: This study evaluated the expression of ACE and ACE2 in the placenta and white adipose tissue in lean and obese women, and correlated their levels with anthropometric, clinical, and laboratory parameters, and tissue count of inflammatory cells.

Methods: A cross-sectional analytical study was performed with 49 pregnant women and their respective newborns. Samples of placenta and adipose tissue were used for measuring mRNA expression for ACE and ACE2 through qRT-PCR.

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The study aimed to evaluate the effects of Miller (ora-pro-nobis [OPN]) flour on body and biochemical parameters, thermogenic activity, and molecular expression of markers in the muscle tissue of mice subjected to resistance training (RT). Twelve mice were randomly assigned to two groups (n=6 animals/group): G1: control (Control) fed a standard diet + RT and G2: experimental (OPN) fed a diet based on OPN flour + RT. The RT consisted of a 6-week program using a vertical ladder combined with a fixed weight attached to the animal.

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Background And Aims: Insulin resistance (IR) is a risk factor for several cardiometabolic disorders; however, there is conflicting evidence about the reliability of certain IR markers. In this context, the triglyceride-glucose index (TyG) has been proposed as a surrogate marker for IR. This study aimed to compare the TyG index and homeostasis model assessment of insulin resistance (HOMA-IR).

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Article Synopsis
  • * Resveratrol, a compound known for its beneficial effects on metabolism, was studied to see how it affects thermogenesis markers in brown adipose tissue and various body parameters in female mice after oophorectomy (removal of ovaries).
  • * After 12 weeks, resveratrol supplementation resulted in lower body weight, reduced fat levels, lower glucose and cholesterol, and improved hormonal balance, indicating its potential to enhance metabolic health in this context.
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Background: Preeclampsia (PE) is a multifunctional and multisystem disorder. Several factors favor the development of PE, including obesity. Cytokines are also expressed in the placenta, predisposing to local alterations that favor the development of distinct pathological processes, including PE.

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To evaluate the effects of Light-Emitting Diode (LED) irradiation on the expression of thermogenesis and lipogenesis-associated markers in adipose tissue and metabolic parameters of obese mice. Twenty-four male mice were divided into four groups: i) ST fed standard diet; ii) HCD fed hyperglycemic diet; iii) LED + I fed hyperglycemic diet and irradiated with LED in the interscapular region; iv) LED + A fed hyperglycemic diet and irradiated with LED in the abdominal region. The first phase of the study comprehended the induction of obesity for 12 weeks.

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Maternal obesity and dietary style in the pregnancy-lactation period may result in long-term effects on the metabolic health of the offspring, thus increasing the risk of diseases, such as obesity, diabetes, and cardiovascular diseases. Curcumin is a natural polyphenolic compound that has beneficial properties on metabolism. Accordingly, this study is intended to evaluate the effects of curcumin supplementation in pregnant and lactating female mice on the anthropometric, metabolic and molecular parameters of the offspring fed a hyperglycemic diet.

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Background: Obesity is a serious health problem that dysregulate Renin-Angiotensin System (RAS) and intestinal microbiota.

Objective: The present study aimed to evaluate the Angiotensin-(1-7) [ANG-(1-7)] oral formulation effects on obese mice intestinal microbiota.

Methods: Mice were divided into four groups: obese and non-obese treated with ANG-(1-7) and obese and non-obese without ANG-(1-7) during four weeks.

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Background: Diabetes mellitus (DM) is a public health problem, which requires enhanced self-care in order to avoid complications. However, cognitive impairment can reduce these abilities and may affect health literacy (HL) of patients in terms to understand and apply information. Therefore, this study evaluated the correlation between cognitive condition and HL related to medication adherence, physical activity and nutritional status among people living with DM.

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Article Synopsis
  • Sirtuins (SIRTs) are a family of proteins influential in regulating key physiological processes like metabolism and aging, with SIRT1 being the most studied due to its role in preventing neuro-disorders.
  • Resveratrol (RSV), a compound found mainly in grapes and red wine, is known as a potent SIRT activator that provides various health benefits.
  • The review highlights how SIRT activation and resveratrol impact gene modulation, cognitive functions, and neurodegenerative disorders.
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Unlabelled: Obesity is a chronic disease caused multiple associated factors that results in excessive body fat accumulation. The Renin-Angiotensin System (RAS) unbalance is now recognized as a key factor on regulating body energy and metabolism.

Aim: The aim of the present study was to evaluate the Enalapril (ACE inhibitor) effects on the metabolic function and hepatic steatosis of obese mice evaluating Angiotensin Converting Enzymes (ACEs) expression.

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It is known that dietary habits have a strong influence on body metabolism. In the last decades, the dietary habits have changed worldwide, and the consumption of fructose, especially in sugar-sweetened beverages, increased significantly. In this perspective, the present review aimed to summarize the effects of fructose on different cardiometabolic conditions.

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Background: Obesity and non-alcoholic fatty liver disease (NAFLD) have been increasing at an alarming rate worldwide. (BL), a common member of the human gut microbiota, has important health benefits through several mechanisms.

Objectives: We evaluated the BL supplementation effects on body metabolism and renin-angiotensin components hepatic expression in mice fed a high-fat diet.

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Article Synopsis
  • - Obesity is a complex disease that affects both maternal and fetal health, and maternal obesity during pregnancy poses additional risks to future generations.
  • - A study aimed to investigate the effects of a high-fat diet on the expression of RAS-related receptors in the uterus and placenta of pregnant mice, linking obesity to metabolic issues in offspring.
  • - Results indicated that high-fat diet-induced obesity in mice led to increased body weight and fat in their fetuses, correlating with altered expression of certain receptors related to the renin-angiotensin system.
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  • Gallic acid (GA) is a natural polyphenol found in various foods known for promoting energy balance, and the study aimed to see its effects on liver fat accumulation in obese mice.
  • The research involved feeding four groups of mice different diets over 60 days and assessing body weight, food intake, and liver health markers.
  • Results indicated that GA intake reduced liver fat, body weight, and insulin levels, while also suppressing certain genes related to fat production, highlighting its potential in liver disease treatment and prevention.
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Aims: The aim of the presente study was to examine the effects of oral gallic acid (GA) administration on the brown adipose tissue of obese mice fed with high-fat diet. New mechanisms and interactions pathways in thermogenesis were accessed through bioinformatics analyses.

Main Methods: Swiss male mice were divided into four groups and fed during 60 days with: standard diet, standard diet combined with gallic acid, high-fat diet and high-fat diet combined with gallic acid.

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The present study aimed to evaluate the effects of resveratrol on FNDC5 and thermogenesis markers expression in the adipose tissue of mice and humans. Thirty-two male mice were randomly divided into four groups (n = 8) and fed with: Standard Diet; Standard Diet + Resveratrol (400 mg/kg); High-fat Diet; High-fat Diet + Resveratrol for eight weeks. Twenty male and female volunteers, aged 30-55 years, BMI ≥ 30 kg/m² were divided into two groups and treated for four weeks with 500 mg trans-resveratrol or placebo, adipose tissue biopsies were taken.

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The main goal of the present study was to evaluate the metabolic profile, inflammatory markers and the gene expression of the renin-angiotensin system (RAS) components in the visceral adipose tissue of eutrophic, obese and malnourished individuals and mice models of obesity and food restriction. Male Swiss mice were divided into eight groups and fed different levels of food restriction (20%, 40%, or 60%) using standard or high-fat diet. Metabolic profile and adipose tissues were assessed.

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Background: Sleeve gastrectomy (SG) has been used as a multipurpose surgical procedure for the treatment of obesity.

Objectives: The present study aimed to assess the effects of SG on the metabolic and inflammatory profile and renin-angiotensin system (RAS) expression in the white adipose tissue of male rats with obesity induced by a high-fat diet.

Methods: Male Wistar rats were treated with a standard diet or high-fat diet and submitted to SG or sham surgery.

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Background: Lipogenesis is a process that involves the fatty acids synthesis. Resveratrol and enalapril have been studied for their beneficial physiological properties on the glucose and lipid metabolism.

Objectives: The aim of the present study was to evaluate the oral administration of resveratrol and enalapril effects on glucose and lipid metabolism, evaluating the white pad lipogenesis genes expression in mice.

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The present study aimed to analyze the expression of IL6, UCP1 and SIRT1 in adipose tissue (WAT and BAT) in association to clinical, metabolic and anthropometric parameters in obese humans. WAT and BAT samples from obese patients (n=27) were collected. IL6, UCP1 and SIRT1 markers were measured by qRT-PCR.

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Lipogenesis is the process by which fatty acids are synthesized. In metabolic syndrome, an insulin resistant state along with high plasma levels of free fatty acids (FFA) and hyperglycemia may contribute to the lipogenic process. The aim of the present study was to investigate the effects of oral administration of metformin on the expression of lipogenic genes and glycemic profile in mice fed with low-carbohydrate high-fat diet by evaluating their metabolic profile.

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Different factors may contribute to the development of neurodegenerative diseases. Among them, metabolic syndrome (MS), which has reached epidemic proportions, has emerged as a potential element that may be involved in neurodegeneration. Furthermore, studies have shown the importance of the sirtuin family in neuronal survival and MS, which opens the possibility of new pharmacological targets.

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Objective: A healthy diet is essential for the prevention of metabolic syndrome. The present study evaluated the effect of resveratrol associated with high-polyunsaturated fat and high-protein diets on expression of adipogenic and lipogenic genes.

Research Methods & Procedures: FVB/N mice were divided into 6 groups (n=7 each) and fed with experimental diets for 60days: standard (ST), high-fat diet (HFD), and high-protein diet (HPD), with and without resveratrol (RSV) (4g/kg diet).

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Objectives: To analyze the mRNA expression of interleukin-6 (IL-6) and tumour necrosis factor-alpha (TNF-α) in the liver and white adipose tissue samples of individuals with class III obesity (body mass index ≥40.0kg/m) with non-alcoholic fatty liver disease (NAFLD).

Methods: This cross-sectional study included patients with class III obesity exhibiting early or late morphological presentation of NAFLD (non-alcoholic hepatic steatosis [NAFL], n=8 and non-alcoholic steatohepatitis [NASH], n=13, respectively).

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