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2017 ; 8
(1
): 1510
Nephropedia Template TP
gab.com Text
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English Wikipedia
Unique transcriptome signatures and GM-CSF expression in lymphocytes from
patients with spondyloarthritis
#MMPMID29142230
Al-Mossawi MH
; Chen L
; Fang H
; Ridley A
; de Wit J
; Yager N
; Hammitzsch A
; Pulyakhina I
; Fairfax BP
; Simone D
; Yi Y
; Bandyopadhyay S
; Doig K
; Gundle R
; Kendrick B
; Powrie F
; Knight JC
; Bowness P
Nat Commun
2017[Nov]; 8
(1
): 1510
PMID29142230
show ga
Spondyloarthritis encompasses a group of common inflammatory diseases thought to
be driven by IL-17A-secreting type-17 lymphocytes. Here we show increased numbers
of GM-CSF-producing CD4 and CD8 lymphocytes in the blood and joints of patients
with spondyloarthritis, and increased numbers of IL-17A(+)GM-CSF(+)
double-producing CD4, CD8, ?? and NK cells. GM-CSF production in CD4 T cells
occurs both independently and in combination with classical Th1 and Th17
cytokines. Type 3 innate lymphoid cells producing predominantly GM-CSF are
expanded in synovial tissues from patients with spondyloarthritis.
GM-CSF(+)CD4(+) cells, isolated using a triple cytokine capture approach, have a
specific transcriptional signature. Both GM-CSF(+) and IL-17A(+)GM-CSF(+)
double-producing CD4 T cells express increased levels of GPR65, a proton-sensing
receptor associated with spondyloarthritis in genome-wide association studies and
pathogenicity in murine inflammatory disease models. Silencing GPR65 in primary
CD4 T cells reduces GM-CSF production. GM-CSF and GPR65 may thus serve as targets
for therapeutic intervention of spondyloarthritis.