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The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Programmable probiotics modulate inflammation and gut microbiota for inflammatory bowel disease treatment after effective oral delivery

Open access
Zhou, Jun, Li, Maoyi, Chen, Qiufang, Li, Xinjie, Chen, Linfu, Dong, Ziliang, Zhu, Wenjun, Yang, Yang, Liu, Zhuang, Chen, Qian·2022·Nature Communications

Abstract

Reactive oxygen species (ROS) play vital roles in intestinal inflammation. Therefore, eliminating ROS in the inflammatory site by antioxidant enzymes such as catalase and superoxide dismutase may effectively curb inflammatory bowel disease (IBD). Here, Escherichia coli Nissle 1917 (ECN), a kind of oral probiotic, was genetically engineered to overexpress catalase and superoxide dismutase (ECN-pE) for the treatment of intestinal inflammation. To improve the bioavailability of ECN-pE in the gastrointestinal tract, chitosan and sodium alginate, effective biofilms, were used to coat ECN-pE via a layer-by-layer electrostatic self-assembly strategy. In a mouse IBD model induced by different chemical drugs, chitosan/sodium alginate coating ECN-pE (ECN-pE(C/A) 2 ) effectively relieved inflammation and repaired epithelial barriers in the colon. Unexpectedly, such engineered EcN-pE(C/A) 2 could also regulate the intestinal microbial communities and improve the abundance of Lachnospiraceae _NK4A136 and Odoribacter in the intestinal flora, which are important microbes to maintain intestinal homeostasis. Thus, this study lays a foundation for the development of living therapeutic proteins using probiotics to treat intestinal-related diseases.

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Metadata

Authors
Zhou, J., Li, M., Chen, Q., Li, X., Chen, L., Dong, Z., Zhu, W., Yang, Y., Liu, Z., & Chen, Q.
Venue
Nature Communications
Published
2022-06-14
Volume
13
Issue
1
Pages
3432-3432
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4282937730
Cited by
695
References
51
FWCI
62.31
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Programmable probiotics modulate inflammation and gut microbiota for inflammatory bowel disease treatment after effective oral delivery. https://app.cochat.ai/papers/10.1038/s41467-022-31171-0
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Zhou, J., Li, M., Chen, Q., Li, X., Chen, L., Dong, Z., Zhu, W., Yang, Y., Liu, Z., & Chen, Q. (2022). Programmable probiotics modulate inflammation and gut microbiota for inflammatory bowel disease treatment after effective oral delivery. Nature Communications. https://doi.org/10.1038/s41467-022-31171-0

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