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The lactate shuttle hypothesis describes the movement of lactate intracellularly (within a cell) and intercellularly (between cells). The hypothesis is based on the observation that lactate is formed and utilized continuously in diverse cells under both anaerobic and aerobic conditions. Further, lactate produced at sites with high rates of glycolysis and glycogenolysis can be shuttled to adjacent or remote sites including heart or skeletal muscles where the lactate can be used as a gluconeogenic precursor or substrate for oxidation. They hypothesis was proposed by professor George Brooks of the University of California at Berkeley.

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  • The lactate shuttle hypothesis describes the movement of lactate intracellularly (within a cell) and intercellularly (between cells). The hypothesis is based on the observation that lactate is formed and utilized continuously in diverse cells under both anaerobic and aerobic conditions. Further, lactate produced at sites with high rates of glycolysis and glycogenolysis can be shuttled to adjacent or remote sites including heart or skeletal muscles where the lactate can be used as a gluconeogenic precursor or substrate for oxidation. They hypothesis was proposed by professor George Brooks of the University of California at Berkeley. In addition to its role as a fuel source predominantly in the muscles, heart, brain, and liver, the lactate shuttle hypothesis also relates the role of lactate in redox signalling, gene expression, and lipolytic control. These additional roles of lactate have given rise to the term ‘lactormone’, pertaining to the role of lactate as a signalling hormone. (en)
  • L'ipotesi dello shuttle del lattato è stata proposta dal professor George Brooks dell'Università della California a Berkeley, descrivendo il trasporto del lattato per via intracellulare (all'interno di una cellula) ed intercellulare (tra le cellule). L'ipotesi si fonda sull'osservazione che il lattato viene prodotto ed utilizzato dalle cellule sia in condizioni aerobiche che anaerobiche. Inoltre, il lattato prodotto all’interno di cellule con elevati tassi di glicolisi e glicogenolisi può essere trasportato in cellule più o meno adiacenti come quelle del miocardio o dei muscoli scheletrici, all’interno delle quali potrà essere utilizzato precursore o substrato per la produzione di glucosio che sarà successivamente ossidato. Oltre ad essere una fonte di combustibile importantissima per muscoli, cuore, cervello e fegato, il lattato ed il suo trasporto ricopre un ruolo determinante per la segnalazione redox, nell’espressione genica e per il controllo lipolitico. Questi ruoli aggiuntivi del lattato hanno dato origine al termine "lattormone", a causa del ruolo del lattato come ormone di segnalazione. (it)
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  • The lactate shuttle hypothesis describes the movement of lactate intracellularly (within a cell) and intercellularly (between cells). The hypothesis is based on the observation that lactate is formed and utilized continuously in diverse cells under both anaerobic and aerobic conditions. Further, lactate produced at sites with high rates of glycolysis and glycogenolysis can be shuttled to adjacent or remote sites including heart or skeletal muscles where the lactate can be used as a gluconeogenic precursor or substrate for oxidation. They hypothesis was proposed by professor George Brooks of the University of California at Berkeley. (en)
  • L'ipotesi dello shuttle del lattato è stata proposta dal professor George Brooks dell'Università della California a Berkeley, descrivendo il trasporto del lattato per via intracellulare (all'interno di una cellula) ed intercellulare (tra le cellule). L'ipotesi si fonda sull'osservazione che il lattato viene prodotto ed utilizzato dalle cellule sia in condizioni aerobiche che anaerobiche. (it)
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  • Ipotesi dello shuttle del lattato (it)
  • Lactate shuttle hypothesis (en)
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