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The Microbiome and Eating Disorders.

Jochen Seitz1, Stefanie Trinh2, Beate Herpertz-Dahlmann1

  • 1Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Hospital, RWTH University Aachen, Neuenhofer Weg 21, Aachen D-52074, Germany.

The Psychiatric Clinics of North America
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Summary
This summary is machine-generated.

The gut microbiome is linked to anorexia nervosa (AN) symptoms and potential mechanisms. Microbiota-modulating strategies, including nutrition and psychobiotics, may aid AN treatment.

Keywords:
Anorexia nervosaAutoantibodiesGut permeabilityGut-brain interactionInflammationMicrobiomeNutritionPsychobiotics

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Area of Science:

  • Microbiology
  • Neuroscience
  • Gastroenterology

Background:

  • The gut microbiome plays a crucial role in nutrient fermentation, body-weight regulation, gut permeability, hormone production, inflammation, immunology, and the gut-brain axis.
  • Alterations in gut microbial diversity and taxa abundance have been observed in individuals with anorexia nervosa (AN).
  • These microbial changes are associated with depressive, anxious, and eating disorder symptoms.

Purpose of the Study:

  • To explore the association between gut bacteria and anorexia nervosa (AN).
  • To investigate potential mechanisms linking gut dysbiosis to AN symptoms.
  • To identify potential microbiota-modulating strategies for AN treatment.

Main Methods:

  • Review of existing literature on gut microbiota and anorexia nervosa.
  • Analysis of studies reporting altered microbial diversity and taxa abundance in AN patients.
  • Examination of proposed mechanisms, including gut permeability, inflammation, and neurogenesis.

Main Results:

  • Anorexia nervosa is associated with altered gut microbial diversity and specific taxa abundance.
  • Potential mechanisms include increased gut permeability, low-grade inflammation, autoantibodies, and impaired brain cell neogenesis.
  • Refeeding practices significantly influence the gut microbiome composition.

Conclusions:

  • The gut microbiome is implicated in the pathophysiology of anorexia nervosa.
  • Nutritional interventions and psychobiotics show promise as adjunctive therapies for AN.
  • Further research into microbiota-modulating strategies is warranted for AN treatment.