Publications by authors named "M Mrdjen"

Article Synopsis
  • The study investigates how gut microbial metabolites (GMM), specifically phenylacetylglutamine (PAGln), are linked to cardiovascular diseases (CVD) in people with alcohol use disorder.
  • In experiments with mice, researchers found that chronic alcohol consumption led to changes in gut microbes and increased PAGln levels, which were associated with cardiovascular issues.
  • PAGln was shown to cause heart and blood vessel problems independent of alcohol, indicating that it plays a significant role in the development of CVD related to alcohol consumption.
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Background: Dichloroacetate (DCA), a pan-pyruvate dehydrogenase kinase inhibitor, ameliorates multiple pathological conditions and tissue injury and shows strong potential for clinical applications. Here, we investigated the preventive effects of DCA in a murine model of alcohol-associated liver disease.

Methods: C57BL/6J mice were subjected to the acute-on-chronic model of alcohol-associated liver disease and treated with DCA.

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Unlabelled: Hepatocellular carcinoma (HCC) is the third leading cause of cancer death worldwide. The gut microbiome has been implicated in outcomes for HCC, and gut microbe-derived products may serve as potential non-invasive indices for early HCC detection. This study evaluated differences in plasma concentrations of gut microbiota-derived metabolites.

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The growing recognition of the role of the gut microbiome's impact on alcohol-associated diseases, especially in alcohol-associated liver disease, emphasizes the need to understand molecular mechanisms involved in governing organ-organ communication to identify novel avenues to combat alcohol-associated diseases. The gut-liver axis refers to the bidirectional communication and interaction between the gut and the liver. Intestinal microbiota plays a pivotal role in maintaining homeostasis within the gut-liver axis, and this axis plays a significant role in alcohol-associated liver disease.

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Background: Chronic alcohol consumption impairs gut barrier function and perturbs the gut microbiome. Although shifts in bacterial communities in patients with alcohol-associated liver disease (ALD) have been characterized, less is known about the interactions between host metabolism and circulating microbe-derived metabolites during the progression of ALD.

Methods: A large panel of gut microbiome-derived metabolites of aromatic amino acids was quantified by stable isotope dilution liquid chromatography with online tandem mass spectrometry in plasma from healthy controls (n = 29), heavy drinkers (n = 10), patients with moderate (n = 16) or severe alcohol-associated hepatitis (n = 40), and alcohol-associated cirrhosis (n = 10).

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