Article Publish Status: FREE
Abstract Title:

Antibiotic-induced dysbiosis of gut microbiota impairs corneal development in postnatal mice by affecting CCR2 negative macrophage distribution.

Abstract Source:

Mucosal Immunol. 2019 Aug 21. Epub 2019 Aug 21. PMID: 31434991

Abstract Author(s):

Mingjuan Wu, Jun Liu, Fanying Li, Shuoya Huang, Jingxin He, Yunxia Xue, Ting Fu, Shanshan Feng, Zhijie Li

Article Affiliation:

Mingjuan Wu


Antibiotics are extremely useful, but they can cause adverse impacts on host bodies. We found that antibiotic treatment altered the composition of the gut microbiota and the gene expression profile in the corneal tissues of postnatal mice and decreased the corneal size and thickness, the angiogenesis of limbal blood vessels, and the neurogenesis of corneal nerve fibers. The reconstitution of the gut microbiota with fecal transplants in antibiotic-treated mice largely reversed these impairments in corneal development. Furthermore, C-C chemokine receptor type 2 negative (CCR2) macrophages were confirmed to participate in corneal development, and their distribution in the cornea was regulated by the gut microbiota. We propose that the CCR2macrophage population is a crucial mediator through which gut microbiota affect corneal development in postnatal mice. In addition, probiotics were shown to have the potential effect of restoring corneal development in antibiotic-treated mice. Abx-induced gut dysbiosis has significant, long-term effects on the development of the cornea, and reversal of these suppressive effects takes a long time.

Study Type : Animal Study

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