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2016 ; 7
(48
): 79914-79924
Nephropedia Template TP
gab.com Text
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English Wikipedia
Interleukin-13 suppresses interleukin-10 via inhibiting A20 in peripheral B cells
of patients with food allergy
#MMPMID27825134
Li MY
; Zhu M
; Linghu EQ
; Feng F
; Zhu B
; Wu C
; Guo MZ
Oncotarget
2016[Nov]; 7
(48
): 79914-79924
PMID27825134
show ga
The regulatory B cells (Breg) are important in the body immunity. The
differentiation process of Breg is not fully understood yet. Ubiquitin A20 has
immune regulatory functions. This study aims to investigate the role of A20 in
the regulation of interleukin (IL)-10 in B cells. In this study, B cells were
isolated from the peripheral blood samples of healthy subjects and patients with
food allergy (FA). The B cells were analyzed by flow cytometry, real time RT-PCR,
Western blotting and chromatin immunoprecipitation. We observed that the
frequency of Breg and the levels of A20 in B cells were markedly lower in FA
patients than in healthy controls. In vitro deletion of A20 compromised the
expression of IL-10. B cells in FA patients showed higher levels of histone
deacetylase (HDAC)-11 than in healthy subjects. Exposure to IL-13 in the culture
induced high levels of HDAC11 in B cells. IL-13 also repressed the expression of
A20 in B cells, in which HDAC11 played a critical role via inducing the chromatin
remoldeling at the IL-10 promoter locus. Mice with A20-deficient B cells are
prone to FA. In summary, ubiquitin A20 can increase the IL-10 expression in B
cells, which can be affected by the IL-13-induced HDAC11. To inhibit HDAC11 may
have therapeutic potential for FA.