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Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria

BACKGROUND: Gut microbiome alterations are closely related to human health and linked to a variety of diseases. Although great efforts have been made to understand the risk factors for multiple myeloma (MM), little is known about the role of the gut microbiome and alterations of its metabolic functi...

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Autores principales: Jian, Xingxing, Zhu, Yinghong, Ouyang, Jian, Wang, Yihui, Lei, Qian, Xia, Jiliang, Guan, Yongjun, Zhang, Jingyu, Guo, Jiaojiao, He, Yanjuan, Wang, Jinuo, Li, Jian, Lin, Jingchao, Su, Mingming, Li, Guancheng, Wu, Minghua, Qiu, Lugui, Xiang, Juanjuan, Xie, Lu, Jia, Wei, Zhou, Wen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7257554/
https://www.ncbi.nlm.nih.gov/pubmed/32466801
http://dx.doi.org/10.1186/s40168-020-00854-5
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author Jian, Xingxing
Zhu, Yinghong
Ouyang, Jian
Wang, Yihui
Lei, Qian
Xia, Jiliang
Guan, Yongjun
Zhang, Jingyu
Guo, Jiaojiao
He, Yanjuan
Wang, Jinuo
Li, Jian
Lin, Jingchao
Su, Mingming
Li, Guancheng
Wu, Minghua
Qiu, Lugui
Xiang, Juanjuan
Xie, Lu
Jia, Wei
Zhou, Wen
author_facet Jian, Xingxing
Zhu, Yinghong
Ouyang, Jian
Wang, Yihui
Lei, Qian
Xia, Jiliang
Guan, Yongjun
Zhang, Jingyu
Guo, Jiaojiao
He, Yanjuan
Wang, Jinuo
Li, Jian
Lin, Jingchao
Su, Mingming
Li, Guancheng
Wu, Minghua
Qiu, Lugui
Xiang, Juanjuan
Xie, Lu
Jia, Wei
Zhou, Wen
author_sort Jian, Xingxing
collection PubMed
description BACKGROUND: Gut microbiome alterations are closely related to human health and linked to a variety of diseases. Although great efforts have been made to understand the risk factors for multiple myeloma (MM), little is known about the role of the gut microbiome and alterations of its metabolic functions in the development of MM. RESULTS: Here, in a cohort of newly diagnosed patients with MM and healthy controls (HCs), significant differences in metagenomic composition were discovered, for the first time, with higher bacterial diversity in MM. Specifically, nitrogen-recycling bacteria such as Klebsiella and Streptococcus were significantly enriched in MM. Also, the bacteria enriched in MM were significantly correlated with the host metabolome, suggesting strong metabolic interactions between microbes and the host. In addition, the MM-enriched bacteria likely result from the regulation of urea nitrogen accumulated during MM progression. Furthermore, by performing fecal microbiota transplantation (FMT) into 5TGM1 mice, we proposed a mechanistic explanation for the interaction between MM-enriched bacteria and MM progression via recycling urea nitrogen. Further experiments validated that Klebsiella pneumoniae promoted MM progression via de novo synthesis of glutamine in mice and that the mice fed with glutamine-deficient diet exhibited slower MM progression. CONCLUSIONS: Overall, our findings unveil a novel function of the altered gut microbiome in accelerating the malignant progression of MM and open new avenues for novel treatment strategies via manipulation of the intestinal microbiota of MM patients.
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spelling pubmed-72575542020-06-07 Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria Jian, Xingxing Zhu, Yinghong Ouyang, Jian Wang, Yihui Lei, Qian Xia, Jiliang Guan, Yongjun Zhang, Jingyu Guo, Jiaojiao He, Yanjuan Wang, Jinuo Li, Jian Lin, Jingchao Su, Mingming Li, Guancheng Wu, Minghua Qiu, Lugui Xiang, Juanjuan Xie, Lu Jia, Wei Zhou, Wen Microbiome Research BACKGROUND: Gut microbiome alterations are closely related to human health and linked to a variety of diseases. Although great efforts have been made to understand the risk factors for multiple myeloma (MM), little is known about the role of the gut microbiome and alterations of its metabolic functions in the development of MM. RESULTS: Here, in a cohort of newly diagnosed patients with MM and healthy controls (HCs), significant differences in metagenomic composition were discovered, for the first time, with higher bacterial diversity in MM. Specifically, nitrogen-recycling bacteria such as Klebsiella and Streptococcus were significantly enriched in MM. Also, the bacteria enriched in MM were significantly correlated with the host metabolome, suggesting strong metabolic interactions between microbes and the host. In addition, the MM-enriched bacteria likely result from the regulation of urea nitrogen accumulated during MM progression. Furthermore, by performing fecal microbiota transplantation (FMT) into 5TGM1 mice, we proposed a mechanistic explanation for the interaction between MM-enriched bacteria and MM progression via recycling urea nitrogen. Further experiments validated that Klebsiella pneumoniae promoted MM progression via de novo synthesis of glutamine in mice and that the mice fed with glutamine-deficient diet exhibited slower MM progression. CONCLUSIONS: Overall, our findings unveil a novel function of the altered gut microbiome in accelerating the malignant progression of MM and open new avenues for novel treatment strategies via manipulation of the intestinal microbiota of MM patients. BioMed Central 2020-05-28 /pmc/articles/PMC7257554/ /pubmed/32466801 http://dx.doi.org/10.1186/s40168-020-00854-5 Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research
Jian, Xingxing
Zhu, Yinghong
Ouyang, Jian
Wang, Yihui
Lei, Qian
Xia, Jiliang
Guan, Yongjun
Zhang, Jingyu
Guo, Jiaojiao
He, Yanjuan
Wang, Jinuo
Li, Jian
Lin, Jingchao
Su, Mingming
Li, Guancheng
Wu, Minghua
Qiu, Lugui
Xiang, Juanjuan
Xie, Lu
Jia, Wei
Zhou, Wen
Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title_full Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title_fullStr Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title_full_unstemmed Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title_short Alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
title_sort alterations of gut microbiome accelerate multiple myeloma progression by increasing the relative abundances of nitrogen-recycling bacteria
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7257554/
https://www.ncbi.nlm.nih.gov/pubmed/32466801
http://dx.doi.org/10.1186/s40168-020-00854-5
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