Debaryomyces is enriched in Crohn's disease intestinal tissue and impairs healing in mice.
Debaryomyces is enriched in Crohn's disease intestinal tissue and impairs healing in mice.
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德巴利酵母菌在克罗恩病肠组织中富集,并损害小鼠的愈合。
DOI:
10.1126/science.abd0919
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发表时间:
2021-03-12
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影响因子:
--
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Alterations of the mycobiota composition associated with Crohn’s disease (CD) are challenging to link to defining elements of pathophysiology, such as poor injury repair. Using culture-dependent and -independent methods, we discovered that Debaryomyces hansenii preferentially localized to and was abundant within incompletely healed intestinal wounds of mice and inflamed mucosal tissues of CD human subjects. D. hansenii cultures from injured mice and inflamed CD tissues impaired colonic healing when introduced into injured conventionally raised or gnotobiotic mice. We reisolated D. hansenii from injured areas of these mice, fulfilling Koch’s postulates. Mechanistically, D. hansenii impaired mucosal healing through the myeloid cell–specific type 1 interferon–CCL5 axis. Taken together, we have identified a fungus that inhabits inflamed CD tissue and can lead to dysregulated mucosal healing.
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DOI:
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发表时间:
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期刊:
Science (New York, N.Y.)
影响因子:
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