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    • Beetroot juice does not enhance supramaximal intermittent exercise performance in elite endurance athletesPeer reviewedClosed access 

      14 mai 2019, Pawlak-Chaouch, Mehdi; Boissière, Julien; Munyaneza, Désiré; Gamelin, François-Xavier; Cuvelier, Grégory; Berthoin, Serge; Aucouturier, Julien, HE Condorcet
      Article scientifique
      The present study aimed to determine whether BR supplementation enhances the tolerance to SIE in elite endurance athletes.

    • Early Endothelial Dysfunction in Type 1 Diabetes Is Accompanied by an Impairment of Vascular Smooth Muscle Function: A Meta-AnalysisPeer reviewedOpen access 

      05 mai 2020, Lespagnol, Elodie; Dauchet, Luc; Pawlak-Chaouch, Mehdi; BALESTRA, Costantino; Berthoin, Serge; Feelish, Martin; Roustit, Mathieu; Boissiere, Julien; Fontaine, Pierre; Heyman, Elsa, HE Bruxelles Brabant
      Article scientifique
      Background: A large yet heterogeneous body of literature exists suggesting that endothelial dysfunction appears early in type 1 diabetes, due to hyperglycemia-induced oxidative stress. The latter may also affect vascular smooth muscles (VSM) function, a layer albeit less frequently considered in that pathology. This meta-analysis aims at evaluating the extent, and the contributing risk factors, of ...

    • Effect of dietary nitrate supplementation on metabolic rate during rest and exercise in human: A systematic review and a meta-analysisPeer reviewedClosed access 

      16 janvier 2016, Pawlak-Chaouch, Mehdi; Boissière, Julien; Gamelin, François X.; CUVELIER, Etienne; Berthoin, Serge; Aucouturier, Julien, HE Condorcet
      Article scientifique
      Background Recent randomized controlled trials have suggested that dietary nitrate (NO3-), found in beetroot and other vegetables, and inorganic NO3− salts decrease metabolic rate under resting and exercise conditions. Objective Our aim was therefore to determine from a systematic review and meta-analysis whether dietary NO3− supplementation significantly reduces metabolic rate, expressed as ...

    • Effect of dietary nitrate supplementation on tolerance to supramaximal intensity intermittent exercisePeer reviewedClosed access 

      29 mai 2015, Aucouturier, Julien; Boissière, Julien; Pawlak-Chaouch, Mehdi; CUVELIER, Etienne; Gamelin, François-Xavier, HE Condorcet
      Article scientifique
      Dietary nitrate (NO3−) supplementation has been shown to increase exercise tolerance and improve oxidative efficiency during aerobic exercise in healthy subjects. We tested the hypothesis that a 3-day supplementation in beetroot juice (BJ) rich in NO3− would improve the tolerance to supramaximal intensity intermittent exercise consisting of 15-s exercise periods at 170% of the maximal aerobic power ...

    • Plasma asymmetric dimethylarginine concentrations are not related to differences in maximal oxygen uptake in endurance trained and untrained menPeer reviewedClosed access 

      22 novembre 2018, Pawlak-Chaouch, Mehdi; Boissière, Julien; Munyaneza, Désiré; Tagougui, Semah; Gamelin, François-Xavier; Cuvelier, Grégory; Heyman, Elsa; Goossens, Jean-François; Descat, Amandine; Berthoin, Serge; Aucouturier, Julien, HE Condorcet
      Article scientifique
      Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide (NO) synthesis that could limit oxygen (O2) delivery in the working skeletal muscles by altering endothelium‐dependent vasodilatation. Exercise capacity is associated with plasma ADMA concentrations in patients with cardiovascular diseases, but this issue has still not been investigated in healthy subjects. We aimed to ...