期刊
FORTSCHRITTE DER NEUROLOGIE PSYCHIATRIE
卷 87, 期 1, 页码 39-45出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0043-123826
关键词
anorexia nervosa; microbiome; alpha diversity; zonulin; gut barrier; gut microbiome
Introduction Recent research has shown changes of the intestinal flora in anorexia nervosa (AN) patients. Alpha diversity (AD) represents the number of different bacterial species in the gut. Reduced AD and a leaky gut (zonulin) lead to inflammation and changes in nutrient absorption. Methods AD was calculated from stool samples of 18 AN patients and 20 normal weight controls (NC) after 16S ribosomal RNA sequencing. Furthermore, Zonulin as an indicator of gut barrier function and inflammation parameters were investigated. Results AN patients had significantly lower AD compared to NC (number of observed species p=0.042, Chao1 Diversity Index p=0.043). Zonulin was not significantly altered in AN patients compared to NC. There were no significant correlations of serum parameters and AD. Discussion Regardless of gut permeability, AN patients showed significantly decreased AD compared to NC. Decreased AD can have an additional negative impact on calorie intake in AN. These results contribute to a better understanding of the illness and the development of new therapeutic options.
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