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D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease
BACKGROUND & AIMS: D-amino acids, the chiral counterparts of protein L-amino acids, were primarily produced and utilized by microbes, including those in the human gut. However, little was known about how orally administered or microbe-derived D-amino acids affected the gut microbial community or...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10632532/ https://www.ncbi.nlm.nih.gov/pubmed/37567385 http://dx.doi.org/10.1016/j.jcmgh.2023.08.002 |
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author | Umeda, Satoko Sujino, Tomohisa Miyamoto, Kentaro Yoshimatsu, Yusuke Harada, Yosuke Nishiyama, Keita Aoto, Yoshimasa Adachi, Keika Hayashi, Naoki Amafuji, Kimiko Moritoki, Nobuko Shibata, Shinsuke Sasaki, Nobuo Mita, Masashi Tanemoto, Shun Ono, Keiko Mikami, Yohei Sasabe, Jumpei Takabayashi, Kaoru Hosoe, Naoki Suzuki, Toshihiko Sato, Toshiro Atarashi, Koji Teratani, Toshiaki Ogata, Haruhiko Nakamoto, Nobuhiro Shiomi, Daisuke Ashida, Hiroshi Kanai, Takanori |
author_facet | Umeda, Satoko Sujino, Tomohisa Miyamoto, Kentaro Yoshimatsu, Yusuke Harada, Yosuke Nishiyama, Keita Aoto, Yoshimasa Adachi, Keika Hayashi, Naoki Amafuji, Kimiko Moritoki, Nobuko Shibata, Shinsuke Sasaki, Nobuo Mita, Masashi Tanemoto, Shun Ono, Keiko Mikami, Yohei Sasabe, Jumpei Takabayashi, Kaoru Hosoe, Naoki Suzuki, Toshihiko Sato, Toshiro Atarashi, Koji Teratani, Toshiaki Ogata, Haruhiko Nakamoto, Nobuhiro Shiomi, Daisuke Ashida, Hiroshi Kanai, Takanori |
author_sort | Umeda, Satoko |
collection | PubMed |
description | BACKGROUND & AIMS: D-amino acids, the chiral counterparts of protein L-amino acids, were primarily produced and utilized by microbes, including those in the human gut. However, little was known about how orally administered or microbe-derived D-amino acids affected the gut microbial community or gut disease progression. METHODS: The ratio of D- to L-amino acids was analyzed in feces and blood from patients with ulcerative colitis (UC) and healthy controls. Also, composition of microbe was analyzed from patients with UC. Mice were treated with D-amino acid in dextran sulfate sodium colitis model and liver cholangitis model. RESULTS: The ratio of D- to L-amino acids was lower in the feces of patients with UC than that of healthy controls. Supplementation of D-amino acids ameliorated UC-related experimental colitis and liver cholangitis by inhibiting growth of Proteobacteria. Addition of D-alanine, a major building block for bacterial cell wall formation, to culture medium inhibited expression of the ftsZ gene required for cell fission in the Proteobacteria Escherichia coli and Klebsiella pneumoniae, thereby inhibiting growth. Overexpression of ftsZ restored growth of E. coli even when D-alanine was present. We found that D-alanine not only inhibited invasion of pathological K. pneumoniae into the host via pore formation in intestinal epithelial cells but also inhibited growth of E. coli and generation of antibiotic-resistant strains. CONCLUSIONS: D-amino acids might have potential for use in novel therapeutic approaches targeting Proteobacteria-associated dysbiosis and antibiotic-resistant bacterial diseases by means of their effects on the intestinal microbiota community. |
format | Online Article Text |
id | pubmed-10632532 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-106325322023-11-10 D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease Umeda, Satoko Sujino, Tomohisa Miyamoto, Kentaro Yoshimatsu, Yusuke Harada, Yosuke Nishiyama, Keita Aoto, Yoshimasa Adachi, Keika Hayashi, Naoki Amafuji, Kimiko Moritoki, Nobuko Shibata, Shinsuke Sasaki, Nobuo Mita, Masashi Tanemoto, Shun Ono, Keiko Mikami, Yohei Sasabe, Jumpei Takabayashi, Kaoru Hosoe, Naoki Suzuki, Toshihiko Sato, Toshiro Atarashi, Koji Teratani, Toshiaki Ogata, Haruhiko Nakamoto, Nobuhiro Shiomi, Daisuke Ashida, Hiroshi Kanai, Takanori Cell Mol Gastroenterol Hepatol Original Research BACKGROUND & AIMS: D-amino acids, the chiral counterparts of protein L-amino acids, were primarily produced and utilized by microbes, including those in the human gut. However, little was known about how orally administered or microbe-derived D-amino acids affected the gut microbial community or gut disease progression. METHODS: The ratio of D- to L-amino acids was analyzed in feces and blood from patients with ulcerative colitis (UC) and healthy controls. Also, composition of microbe was analyzed from patients with UC. Mice were treated with D-amino acid in dextran sulfate sodium colitis model and liver cholangitis model. RESULTS: The ratio of D- to L-amino acids was lower in the feces of patients with UC than that of healthy controls. Supplementation of D-amino acids ameliorated UC-related experimental colitis and liver cholangitis by inhibiting growth of Proteobacteria. Addition of D-alanine, a major building block for bacterial cell wall formation, to culture medium inhibited expression of the ftsZ gene required for cell fission in the Proteobacteria Escherichia coli and Klebsiella pneumoniae, thereby inhibiting growth. Overexpression of ftsZ restored growth of E. coli even when D-alanine was present. We found that D-alanine not only inhibited invasion of pathological K. pneumoniae into the host via pore formation in intestinal epithelial cells but also inhibited growth of E. coli and generation of antibiotic-resistant strains. CONCLUSIONS: D-amino acids might have potential for use in novel therapeutic approaches targeting Proteobacteria-associated dysbiosis and antibiotic-resistant bacterial diseases by means of their effects on the intestinal microbiota community. Elsevier 2023-08-09 /pmc/articles/PMC10632532/ /pubmed/37567385 http://dx.doi.org/10.1016/j.jcmgh.2023.08.002 Text en © 2023 The Authors https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Original Research Umeda, Satoko Sujino, Tomohisa Miyamoto, Kentaro Yoshimatsu, Yusuke Harada, Yosuke Nishiyama, Keita Aoto, Yoshimasa Adachi, Keika Hayashi, Naoki Amafuji, Kimiko Moritoki, Nobuko Shibata, Shinsuke Sasaki, Nobuo Mita, Masashi Tanemoto, Shun Ono, Keiko Mikami, Yohei Sasabe, Jumpei Takabayashi, Kaoru Hosoe, Naoki Suzuki, Toshihiko Sato, Toshiro Atarashi, Koji Teratani, Toshiaki Ogata, Haruhiko Nakamoto, Nobuhiro Shiomi, Daisuke Ashida, Hiroshi Kanai, Takanori D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title | D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title_full | D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title_fullStr | D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title_full_unstemmed | D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title_short | D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease |
title_sort | d-amino acids ameliorate experimental colitis and cholangitis by inhibiting growth of proteobacteria: potential therapeutic role in inflammatory bowel disease |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10632532/ https://www.ncbi.nlm.nih.gov/pubmed/37567385 http://dx.doi.org/10.1016/j.jcmgh.2023.08.002 |
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