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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Arthritis+Res+Ther
2017 ; 19
(1
): 154
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Therapeutic effect of a novel histone deacetylase 6 inhibitor, CKD-L, on
collagen-induced arthritis in vivo and regulatory T cells in rheumatoid arthritis
in vitro
#MMPMID28673326
Oh BR
; Suh DH
; Bae D
; Ha N
; Choi YI
; Yoo HJ
; Park JK
; Lee EY
; Lee EB
; Song YW
Arthritis Res Ther
2017[Jul]; 19
(1
): 154
PMID28673326
show ga
BACKGROUND: Histone deacetylase (HDAC) inhibitor has recently been reported to
have a therapeutic effect as an anti-inflammatory agent in collagen-induced
arthritis (CIA). We investigated the therapeutic effect of a new selective HDAC6
inhibitor, CKD-L, compared to ITF 2357 or Tubastatin A on CIA and regulatory T
(Treg) cells in patients with rheumatoid arthritis (RA). METHODS: CIA was induced
by bovine type II collagen (CII) in DBA/1 J mice. Mice were treated with HDAC
inhibitor for 18 days. Arthritis score was assessed and histological analysis was
performed by hematoxylin and eosin (H&E) stain. Cytotoxic T-lymphocyte associated
protein (CTLA)-4 expression in induced Treg cells was analyzed and suppression
assay was analyzed using Treg cells and effector T (Teff) cells isolated from
naive C57BL/6 mice by flow cytometry. Cytokines were analyzed in peripheral blood
mononuclear cells (PBMC) of five patients with RA by enzyme-linked immunosorbent
assay (ELISA) and real-time polymerase chain reaction (PCR). Tumor necrosis
factor (TNF) was analyzed using PMA- activated THP-1 cells by ELISA. Suppression
assay was analyzed using Treg cells and Teff cells isolated from RA patients by
flow cytometry. RESULTS: In the CIA model, CKD-L and Tubastatin A significantly
decreased the arthritis score. CKD-L increased CTLA-4 expression in Foxp3(+) T
cells and inhibited the proliferation of Teff cells in the suppression assay. In
RA PBMC, CKD-L significantly inhibited TNF and interleukin (IL)-1?, and increased
IL-10. CKD-L and Tubastatin A inhibited TNF secretion from PMA-activated THP-1
cells. CKD-L and ITF 2357 inhibited the proliferation of Teff cells in RA
patients in the suppression assay. Tubastatin A had no effect on inhibition of
proliferation. CONCLUSION: CKD-L decreased the arthritis score in CIA, reduced
the expression of TNF and IL-1?, and increased the expression of IL-10 in PBMC
from RA patients. CKD-L increased CTLA-4 expression and the suppressive function
of Treg cells. These results suggest that CKD-L may have a beneficial effect in
the treatment of RA.