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  2. Diet and health: the role of the intestinal microbiota in metabolic diseases
  3. Probiotics at the service of “fatty liver” syndrome
The power of your gut

Probiotics at the service of “fatty liver” syndrome

Diet
The gut microbiota Diet Probiotics

To lighten the global burden of metabolic diseases, we would need to be able to make a large part of the planet adopt healthier dietary habits. A necessary but difficult task. Simultaneously, interventions at the heart of intestinal bacterial dynamics are under consideration: will probiotics and fecal microbiota transplants be the great new metabolic therapies of tomorrow?

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Bandeau_Article4_DTO

About this article

Created 26 September 2019
Updated 30 December 2021

Far from being a French specialty, “fatty liver” syndrome (foie gras in French) is driving up the number of hepatitis cases all around the world. Research is turning with increasing seriousness towards probiotics to stem these new epidemics9. And the gamble seems to have paid off.

Cases of viral, alcoholic, and now increasingly fatty, hepatitis are soaring due to obesity and type 2 diabetes. Excess fat accumulates in liver tissue, first causing non-alcoholic hepatic steatosis (NAFLD10) which can escalate into non-alcoholic steatohepatitis (the famous NASH11), itself heralding cirrhosis–point of no return for the liver. As in obesity and type 2 diabetes, the intestinal microbiota plays a frontline role. Hence the hope of countering this overdose of fat through probiotics: an avenue followed with success by research for around ten years.

From animals to humans

The first studies in animal models proved the benefits of using probiotics and prebiotics, and even synbiotics (a combination of the two). By way of example, the addition of fructooligosaccharides to probiotics led to a reduction in inflammation and in fatty particles in the liver, loss of weight and fat mass, and improved insulin sensitivity in some patients. These positive results were confirmed by the decrease in fat content of the liver in Hong Kong patients treated for six months with a mixture of lactobacilli and bifidobacteria. Decreased liver stiffness–a sign of diminished aggression–was observed in Iranian patients after taking synbiotics for twenty-eight weeks.

A convincing trial by the book

on-alcoholic steatohepatitis (the famous NASH11), itself heralding cirrhosis–point of no return for the liver. As in obesity and type 2 diabetes, the intestinal microbiota plays a frontline role. Hence the hope of countering this overdose of fat through probiotics: an avenue followed with success by research for around ten years. From animals to humans The first studies in animal models proved the benefits of using probiotics and prebiotics, and even synbiotics (a combination of the two). By way of example, the addition of fructooligosaccharides to probiotics led to a reduction in inflammation and in fatty particles in the liver, loss of weight and fat mass, and improved insulin sensitivity in some patients. These positive results were confirmed by the decrease in fat content of the liver in Hong Kong patients treated for six months with a mixture of lactobacilli and bifidobacteria. Decreased liver stiffness–a sign of diminished aggression–was observed in Iranian patients after taking synbiotics for twenty-eight weeks. A convincing trial by the book An additional step forward has been taken in establishing probiotics as a valid therapeutic option through a clinical trial conducted in a few dozen Ukrainian patients with non-alcoholic hepatic steatosis. The daily administration of a probiotic containing fourteen living strains over an eight week period produced a clear reduction in hepatic fat, some inflammatory markers and enzymes indicative of a diseased liver. These effects remain to be confirmed in a larger number of patients and over the long-term. But probiotics look very promising in the fight against these overdoses of fat for which our livers pay the price.

Sources

9 Kobyliak N, Abenavoli L, Mykhalchyshyn G, Kononenko L, Boccuto L, Kyriienko D, Dynnyk O. A Multi-strain. Probiotic Reduces the Fatty Liver Index, Cytokines and Aminotransferase levels in NAFLD Patients: Evidence from a Randomized Clinical Trial. J Gastrointestin Liver Dis. 2018 Mar;27(1):41-49.

10 Non-Alcoholic Fatty Liver Disease

11 Non-Alcoholic Steato-Hepatitis

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Probiotics Microbiome Flora

    See also

    Cholesterol-metabolizing gut bacteria?
    Bandeau_Article4_DTO Probiotics, a promising solution?
    Focus
    Diet and health: the role of the intestinal microbiota in metabolic diseases
    • A wide ranger of diseases
      • What are the links between intestinal microbiota and metabolic diseases?
      • Focus on diabetes
    • Diet: a key factor
      • Eating too much fat unbalances our intestinal flora
      • Diet and treatment: a history of microbial inequality
    • What are the therapeutic prospects?
      • Probiotics at the service of “fatty liver” syndrome
      • Fecal transplant: a promising route?
      • Expert interview : Pr Rémy Burcelin
    Created 26 September 2019
    Updated 30 December 2021

    About this article

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    Main topic

    Diet

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    Diet and treatment: a history of microbial inequality
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    Diet and health: the role of the intestinal microbiota in metabolic diseases

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    What are the links between intestinal microbiota and metabolic diseases? Focus on diabetes

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    Eating too much fat unbalances our intestinal flora Diet and treatment: a history of microbial inequality

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