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Title: Women with type 1 diabetes exhibit a progressive increase in gut Saccharomyces cerevisiae in pregnancy associated with evidence of gut inflammation.
Author: Bandala-Sanchez, E.
Roth-Schulze, A.
Oakey, H.
Penno, M.
Bediaga, N.
Naselli, G.
Ngui, K.
Smith, A.
Huang, D.
Zozaya-Valdes, E.
Thomson, R.
Brown, J.
Vuillermin, P.
Barry, S.
Craig, M.
Rawlinson, W.
Davis, E.
Harris, M.
Soldatos, G.
Colman, P.
Wentworth, J.
Haynes, A.
Morahan, G.
Sinnott, R.
Papenfuss, A.
Couper, J.
Harrison, L.
Institutional Author: ENDIA Study Group
Issue Date: 2022
Publication Title: Diabetes Research and Clinical Practice
Volume: 184
Start Page: 109189
Abstract: Aims Studies of the gut microbiome have focused on its bacterial composition. We aimed to characterize the gut fungal microbiome (mycobiome) across pregnancy in women with and without type 1 diabetes. Methods Faecal samples (n = 162) were collected from 70 pregnant women (45 with and 25 without type 1 diabetes) across all trimesters. Fungi were analysed by internal transcribed spacer 1 amplicon sequencing. Markers of intestinal inflammation (faecal calprotectin) and intestinal epithelial integrity (serum intestinal fatty acid binding protein; I-FABP), and serum antibodies to Saccharomyces cerevisiae (ASCA) were measured. Results Women with type 1 diabetes had decreased fungal alpha diversity by the third trimester, associated with an increased abundance of Saccharomyces cerevisiae that was inversely related to the abundance of the anti-inflammatory butyrate-producing bacterium Faecalibacterium prausnitzii. Women with type 1 diabetes had higher concentrations of calprotectin, I-FABP and ASCA. Conclusions Women with type 1 diabetes exhibit a shift in the gut mycobiome across pregnancy associated with evidence of gut inflammation and impaired intestinal barrier function. The relevance of these findings to the higher rate of pregnancy complications in type 1 diabetes warrants further study.
Description: Includes data from BHS
Internal ID Number: 01904
Health Subject: GUT
Type: Journal Article
Appears in Collections:Research Output

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