Publications by authors named "A Marette"

The development of cardiometabolic (CM) diseases is associated with chronic low-grade inflammation, partly linked to alterations of the gut microbiota (GM) and reduced intestinal integrity. The SINFONI project investigates a multifunctional (MF) nutritional strategy's impact combining different bioactive compounds on inflammation, GM modulation and CM profile. In this randomized crossover-controlled study, 30 subjects at CM-risk consumed MF cereal-products, enriched with polyphenols, fibers, slowly-digestible starch, omega-3 fatty acids or Control cereal-products (without bioactive compounds) for 2 months.

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Article Synopsis
  • The study evaluates how three types of bariatric surgeries—Roux-en-Y gastric bypass, biliopancreatic diversion with duodenal switch, and single anastomosis duodeno-ileal bypass—affect bile acid levels in male Wistar rats on different diets.
  • Results show that these surgeries increase plasma levels of secondary bile acids, which are associated with reduced body weight and fat gain and improved glucose metabolism.
  • Additionally, the findings highlight connections between bile acids and beneficial gut bacteria as well as short-chain fatty acids, suggesting these surgeries contribute to better metabolic health through these biochemical changes.
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Non-alcoholic fatty liver disease (NAFLD) affects 25% of the adult population with no effective drug treatments available. Previous animal studies reported that a polyphenol-rich extract from the Amazonian berry camu-camu (CC) prevented hepatic steatosis in a mouse model of diet-induced obesity. This study aims to determine the impact of CC on hepatic steatosis (primary outcome) and evaluate changes in metabolic and gut microbiota profiles (exploratory outcomes).

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Background: Maple syrup, a minimally transformed sweetener rich in polyphenols, can exert a action and improve metabolic parameters in animal models. However, no randomized clinical trial has investigated this.

Objectives: This study aims to determine whether replacing refined sugars with an equivalent quantity of maple syrup could decrease key cardiometabolic risk factors in individuals with mild metabolic alterations.

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People use dietary supplements to offset nutritional deficiencies and manage metabolic dysfunction. While the beneficial effect of fish proteins on glucose homeostasis is well established, the ability of fish peptides to replicate the protein findings is less clear. With financial support from a programmatic Canadian Institutes of Health Research (CIHR) Team grant, we aimed to identify salmon peptide fractions (SPFs) with the potential to mitigate metabolic dysfunction.

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