Histone deacetylase 6 modulates macrophage infiltration during inflammation
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Author
Yan, Bing
Xie, Songbo
Liu, Yang
Liu, Wenxuan
Li, Dengwen
Liu, Min
Zhou, Jun
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https://doi.org/10.7150/thno.25317Metadata
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Yan, Bing, Songbo Xie, Yang Liu, Wenxuan Liu, Dengwen Li, Min Liu, Hongbo R. Luo, and Jun Zhou. 2018. “Histone deacetylase 6 modulates macrophage infiltration during inflammation.” Theranostics 8 (11): 2927-2938. doi:10.7150/thno.25317. http://dx.doi.org/10.7150/thno.25317.Abstract
Mice with histone deacetylase 6 (HDAC6) deficiency grow and develop normally but exhibit impaired immune response. The molecular mechanisms for this phenotype remain largely elusive. Methods: A mouse acute peritonitis model was used to study the infiltration of neutrophils and monocyte-derived macrophages. In vitro cell motility assays were performed to analyze monocyte/macrophage recruitment. Fluorescence microscopy and flow cytometry were performed to examine the phagocytic ability of macrophages. Immunofluorescence microscopy was used to investigate protein localization, protrusion formation, and microtubule acetylation. Results: HDAC6 deficiency does not affect neutrophil infiltration, but instead attenuates the infiltration of monocyte-derived macrophages into the peritoneal cavity. HDAC6 plays a specific role in monocyte/macrophage recruitment. Loss of HDAC6 suppresses the phagocytic capacity of macrophages challenged with E. coli. Lipopolysaccharide stimulation results in the translocation of HDAC6 and cortactin from the cytosol to the cell periphery, promotes the formation of filopodial protrusions, and enhances microtubule acetylation around the microtubule-organizing center, all of which are abrogated by HDAC6 deficiency. Conclusion: These findings implicate HDAC6 in the innate immune response and suggest that it may serve as a promising target for the treatment of macrophage-associated immune diseases.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5996364/pdf/Terms of Use
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