期刊
CELL STRESS & CHAPERONES
卷 22, 期 1, 页码 163-171出版社
SPRINGER
DOI: 10.1007/s12192-016-0743-z
关键词
Human neutrophils; Polyelectrolyte microcapsules; Recombinant human Hsp70; LPS; ROS; TNF alpha
类别
资金
- Russian Science Foundation [14-50-00060]
- Russian Science Foundation [14-50-00060] Funding Source: Russian Science Foundation
Human heat shock protein Hsp70 was experimentally inserted into polyelectrolyte microcapsules. Encapsulated recombinant Hsp70 was studied in terms of its effects on neutrophil apoptosis, the production of reactive oxygen species, and the secretion of tumor necrosis factor alpha by promonocytic THP-1 cells. It was found that encapsulated Hsp70 effectively inhibits neutrophil apoptosis, unlike free exogenous protein used in solution. In THP-1 cells, encapsulated and free Hsp70 reduced LPS-induced tumor necrosis factor alpha production with a similar efficiency. Encapsulated Hsp70 reduces LPS-induced reactive oxygen species production by neutrophils in the course of its release from the microcapsules but not as much as free Hsp70. Thus, the polyelectrolyte microcapsules can be used as containers for the effective delivery of Hsp70 to neutrophils and monocytes to significantly improve the functioning of the innate immune system.
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