The gut microbiota is associated with immune cell dynamics in humans Journal Article
| Authors: | Schluter, J.; Peled, J. U.; Taylor, B. P.; Markey, K. A.; Smith, M.; Taur, Y.; Niehus, R.; Staffas, A.; Dai, A.; Fontana, E.; Amoretti, L. A.; Wright, R. J.; Morjaria, S.; Fenelus, M.; Pessin, M. S.; Chao, N. J.; Lew, M.; Bohannon, L.; Bush, A.; Sung, A. D.; Hohl, T. M.; Perales, M. A.; van den Brink, M. R. M.; Xavier, J. B. |
| Article Title: | The gut microbiota is associated with immune cell dynamics in humans |
| Abstract: | The gut microbiota influences development1–3 and homeostasis4–7 of the mammalian immune system, and is associated with human inflammatory8 and immune diseases9,10 as well as responses to immunotherapy11–14. Nevertheless, our understanding of how gut bacteria modulate the immune system remains limited, particularly in humans, where the difficulty of direct experimentation makes inference challenging. Here we study hundreds of hospitalized—and closely monitored—patients with cancer receiving haematopoietic cell transplantation as they recover from chemotherapy and stem-cell engraftment. This aggressive treatment causes large shifts in both circulatory immune cell and microbiota populations, enabling the relationships between the two to be studied simultaneously. Analysis of observed daily changes in circulating neutrophil, lymphocyte and monocyte counts and more than 10,000 longitudinal microbiota samples revealed consistent associations between gut bacteria and immune cell dynamics. High-resolution clinical metadata and Bayesian inference allowed us to compare the effects of bacterial genera in relation to those of immunomodulatory medications, revealing a considerable influence of the gut microbiota—together and over time—on systemic immune cell dynamics. Our analysis establishes and quantifies the link between the gut microbiota and the human immune system, with implications for microbiota-driven modulation of immunity. © 2020, The Author(s), under exclusive licence to Springer Nature Limited. |
| Keywords: | adult; controlled study; human cell; major clinical study; nonhuman; chemotherapy; mammalia; immune system; hematopoietic stem cell transplantation; bacteria (microorganisms); engraftment; immune response; neutrophil; quantitative analysis; public health; intestine flora; lymphocyte; medicine; bacterium; microbial community; microbiota; cell component; human; male; female; article; metadata; monocyte count; environmental samples (bacteria) |
| Journal Title: | Nature |
| Volume: | 588 |
| Issue: | 7837 |
| ISSN: | 0028-0836 |
| Publisher: | Nature Publishing Group |
| Date Published: | 2020-12-10 |
| Start Page: | 303 |
| End Page: | 307 |
| Language: | English |
| DOI: | 10.1038/s41586-020-2971-8 |
| PUBMED: | 33239790 |
| PROVIDER: | scopus |
| PMCID: | PMC7725892 |
| DOI/URL: | |
| Notes: | Article -- Export Date: 4 January 2021 -- Source: Scopus |
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