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A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients

This study aimed to document the functional microbiome affecting immune homeostasis in long-term post-liver transplantation (LT) patients. We compared the frequency of regulatory T (Treg) and T helper 17 (Th17) cells in the blood and fecal microbiome of 27 LT patients to matched healthy controls (n ...

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Autores principales: Lee, Soon Kyu, Jhun, JooYeon, Lee, Seung Yoon, Choi, Sukjung, Choi, Sun Shim, Park, Myeong Soo, Lee, Seon-Young, Cho, Keun-Hyung, Lee, A Ram, Ahn, Joseph, Choi, Ho Joong, You, Young Kyoung, Sung, Pil Soo, Jang, Jeong Won, Bae, Si Hyun, Yoon, Seung Kew, Cho, Mi-La, Choi, Jong Young
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Taylor & Francis 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9377238/
https://www.ncbi.nlm.nih.gov/pubmed/35951731
http://dx.doi.org/10.1080/19490976.2022.2102885
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author Lee, Soon Kyu
Jhun, JooYeon
Lee, Seung Yoon
Choi, Sukjung
Choi, Sun Shim
Park, Myeong Soo
Lee, Seon-Young
Cho, Keun-Hyung
Lee, A Ram
Ahn, Joseph
Choi, Ho Joong
You, Young Kyoung
Sung, Pil Soo
Jang, Jeong Won
Bae, Si Hyun
Yoon, Seung Kew
Cho, Mi-La
Choi, Jong Young
author_facet Lee, Soon Kyu
Jhun, JooYeon
Lee, Seung Yoon
Choi, Sukjung
Choi, Sun Shim
Park, Myeong Soo
Lee, Seon-Young
Cho, Keun-Hyung
Lee, A Ram
Ahn, Joseph
Choi, Ho Joong
You, Young Kyoung
Sung, Pil Soo
Jang, Jeong Won
Bae, Si Hyun
Yoon, Seung Kew
Cho, Mi-La
Choi, Jong Young
author_sort Lee, Soon Kyu
collection PubMed
description This study aimed to document the functional microbiome affecting immune homeostasis in long-term post-liver transplantation (LT) patients. We compared the frequency of regulatory T (Treg) and T helper 17 (Th17) cells in the blood and fecal microbiome of 27 LT patients to matched healthy controls (n = 20) using flow cytometry and 16S rRNA sequencing. Among the 27 LT patients, 22 patients ingested immunosuppressants (long-term post-LT group) and five were tolerant patients. The changes in Treg and Th17 cell proportion after treatment with distinct microbiomes in the long-term post-LT group were also examined in vitro . Changes in the identified functional microbiome and Treg cells in tolerant patients were evaluated. The mean time after LT of the included patients was 13.2 y. The gut microbiome of the long-term post-LT group showed lower alpha-diversity (P < .05) with distinct overall microbial composition (P = .001) compared to healthy controls. Among the 11 distinct bacterial genera in abundance, Faecalibacterium was the most decreased in the long-term post-LT group. The long-term post-LT group also demonstrated a decrease in Treg with an increase in Th17 cells, recovered by administration of F. prausnitzii and butyric acid in in vitro analysis. In tolerant patients, Faecalibacterium was marginally increased, coupled with an increase in Treg cells, compared to the long-term post-LT group. In conclusion, the long-term post-LT patients showed a decrease in functional microbiomes represented as Faecalibacterium . These findings provide potential biomarkers for assessing immune status and targets for improving immune homeostasis in LT patients. ABBREVIATIONS: LT, liver transplantation; HCC, hepatocellular carcinoma; IS, immunosuppressants; DC, dendritic cells; Treg, regulatory T; Th17, T helper 17; AST, aspartate transaminase; ALT, alanine transaminase; OUT, operational taxonomic unit; LEfSe, linear discriminant analysis effect size; LDA, linear discriminant analysis; IL, interleukin; TGF, transforming growth factor; GM-CSF, granulocyte-macrophage colony-stimulating factor; IFN, interferon; TNF-α, tumor necrosis factor-α; MIP-1α, macrophage inflammatory protein-1α; IP-10, interferon γ-induced protein; MCP-1, monocyte chemoattractant protein-1; ACR, acute cellular rejection; NF-κB, nuclear factor κB; PT INR, prothrombin time; QC, quality check; PBMC, peripheral blood mononuclear cells; PBS, phosphate-buffered saline; ELISA, enzyme-linked immunosorbent assay
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spelling pubmed-93772382022-08-16 A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients Lee, Soon Kyu Jhun, JooYeon Lee, Seung Yoon Choi, Sukjung Choi, Sun Shim Park, Myeong Soo Lee, Seon-Young Cho, Keun-Hyung Lee, A Ram Ahn, Joseph Choi, Ho Joong You, Young Kyoung Sung, Pil Soo Jang, Jeong Won Bae, Si Hyun Yoon, Seung Kew Cho, Mi-La Choi, Jong Young Gut Microbes Research Paper This study aimed to document the functional microbiome affecting immune homeostasis in long-term post-liver transplantation (LT) patients. We compared the frequency of regulatory T (Treg) and T helper 17 (Th17) cells in the blood and fecal microbiome of 27 LT patients to matched healthy controls (n = 20) using flow cytometry and 16S rRNA sequencing. Among the 27 LT patients, 22 patients ingested immunosuppressants (long-term post-LT group) and five were tolerant patients. The changes in Treg and Th17 cell proportion after treatment with distinct microbiomes in the long-term post-LT group were also examined in vitro . Changes in the identified functional microbiome and Treg cells in tolerant patients were evaluated. The mean time after LT of the included patients was 13.2 y. The gut microbiome of the long-term post-LT group showed lower alpha-diversity (P < .05) with distinct overall microbial composition (P = .001) compared to healthy controls. Among the 11 distinct bacterial genera in abundance, Faecalibacterium was the most decreased in the long-term post-LT group. The long-term post-LT group also demonstrated a decrease in Treg with an increase in Th17 cells, recovered by administration of F. prausnitzii and butyric acid in in vitro analysis. In tolerant patients, Faecalibacterium was marginally increased, coupled with an increase in Treg cells, compared to the long-term post-LT group. In conclusion, the long-term post-LT patients showed a decrease in functional microbiomes represented as Faecalibacterium . These findings provide potential biomarkers for assessing immune status and targets for improving immune homeostasis in LT patients. ABBREVIATIONS: LT, liver transplantation; HCC, hepatocellular carcinoma; IS, immunosuppressants; DC, dendritic cells; Treg, regulatory T; Th17, T helper 17; AST, aspartate transaminase; ALT, alanine transaminase; OUT, operational taxonomic unit; LEfSe, linear discriminant analysis effect size; LDA, linear discriminant analysis; IL, interleukin; TGF, transforming growth factor; GM-CSF, granulocyte-macrophage colony-stimulating factor; IFN, interferon; TNF-α, tumor necrosis factor-α; MIP-1α, macrophage inflammatory protein-1α; IP-10, interferon γ-induced protein; MCP-1, monocyte chemoattractant protein-1; ACR, acute cellular rejection; NF-κB, nuclear factor κB; PT INR, prothrombin time; QC, quality check; PBMC, peripheral blood mononuclear cells; PBS, phosphate-buffered saline; ELISA, enzyme-linked immunosorbent assay Taylor & Francis 2022-08-11 /pmc/articles/PMC9377238/ /pubmed/35951731 http://dx.doi.org/10.1080/19490976.2022.2102885 Text en © 2022 The Author(s). Published with license by Taylor & Francis Group, LLC. https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Paper
Lee, Soon Kyu
Jhun, JooYeon
Lee, Seung Yoon
Choi, Sukjung
Choi, Sun Shim
Park, Myeong Soo
Lee, Seon-Young
Cho, Keun-Hyung
Lee, A Ram
Ahn, Joseph
Choi, Ho Joong
You, Young Kyoung
Sung, Pil Soo
Jang, Jeong Won
Bae, Si Hyun
Yoon, Seung Kew
Cho, Mi-La
Choi, Jong Young
A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title_full A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title_fullStr A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title_full_unstemmed A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title_short A decrease in functional microbiomes represented as Faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
title_sort decrease in functional microbiomes represented as faecalibacterium affects immune homeostasis in long-term stable liver transplant patients
topic Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9377238/
https://www.ncbi.nlm.nih.gov/pubmed/35951731
http://dx.doi.org/10.1080/19490976.2022.2102885
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