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2018 ; 9
(ä): 365
Nephropedia Template TP
gab.com Text
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English Wikipedia
Vitamin B5 Reduces Bacterial Growth via Regulating Innate Immunity and Adaptive
Immunity in Mice Infected with Mycobacterium tuberculosis
#MMPMID29535733
He W
; Hu S
; Du X
; Wen Q
; Zhong XP
; Zhou X
; Zhou C
; Xiong W
; Gao Y
; Zhang S
; Wang R
; Yang J
; Ma L
Front Immunol
2018[]; 9
(ä): 365
PMID29535733
show ga
The mechanisms by which vitamins regulate immunity and their effect as an
adjuvant treatment for tuberculosis have gradually become very important research
topics. Studies have found that vitamin B5 (VB5) can promote epithelial cells to
express inflammatory cytokines. We aimed to examine the proinflammatory and
antibacterial effect of VB5 in macrophages infected with Mycobacterium
tuberculosis (MTB) strain H37Rv and the therapeutic potential of VB5 in vivo with
tuberculosis. We investigated the activation of inflammatory signal molecules
(NF-?B, AKT, JNK, ERK, and p38), the expression of two primary inflammatory
cytokines (tumor necrosis factor and interleukin-6) and the bacterial burdens in
H37Rv-infected macrophages stimulated with VB5 to explore the effect of VB5 on
the inflammatory and antibacterial responses of macrophages. We further treated
the H37Rv-infected mice with VB5 to explore VB5's promotion of the clearance of
H37Rv in the lungs and the effect of VB5 on regulating the percentage of
inflammatory cells. Our data showed that VB5 enhanced the phagocytosis and
inflammatory response in macrophages infected with H37Rv. Oral administration of
VB5 decreased the number of colony-forming units of H37Rv in lungs of mice at 1,
2, and 4?weeks after infection. In addition, VB5 regulated the percentage of
macrophages and promoted CD4(+) T cells to express interferon-? and
interleukin-17; however, it had no effect on the percentage of polymorphonuclear
neutrophils, CD4(+) and CD8(+) T cells. In conclusion, VB5 significantly inhibits
the growth of MTB by regulating innate immunity and adaptive immunity.