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2016 ; 17
(1
): 175
Nephropedia Template TP
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English Wikipedia
Granulocyte colony-stimulating factor treatment ameliorates lupus nephritis
through the expansion of regulatory T cells
#MMPMID27846813
Yan JJ
; Jambaldorj E
; Lee JG
; Jang JY
; Shim JM
; Han M
; Koo TY
; Ahn C
; Yang J
BMC Nephrol
2016[Nov]; 17
(1
): 175
PMID27846813
show ga
BACKGROUND: Granulocyte colony-stimulating factor (G-CSF) can induce regulatory T
cells (Tregs) as well as myeloid-derived suppressor cells (MDSCs). Despite the
immune modulatory effects of G-CSF, results of G-CSF treatment in systemic lupus
erythematosus are still controversial. We therefore investigated whether G-CSF
can ameliorate lupus nephritis and studied the underlying mechanisms. METHODS:
NZB/W F1 female mice were treated with G-CSF or phosphate-buffered saline for 5
consecutive days every week from 24 weeks of age, and were analyzed at 36 weeks
of age. RESULTS: G-CSF treatment decreased proteinuria and serum anti-dsDNA,
increased serum complement component 3 (C3), and attenuated renal tissue injury
including deposition of IgG and C3. G-CSF treatment also decreased serum levels
of BUN and creatinine, and ultimately decreased mortality of NZB/W F1 mice. G-CSF
treatment induced expansion of CD4(+)CD25(+)Foxp3(+) Tregs, with decreased renal
infiltration of T cells, B cells, inflammatory granulocytes and monocytes in both
kidneys and spleen. G-CSF treatment also decreased expression levels of MCP-1,
IL-6, IL-2, and IL-10 in renal tissues as well as serum levels of MCP-1, IL-6,
TNF-?, IL-10, and IL-17. When Tregs were depleted by PC61 treatment,
G-CSF-mediated protective effects on lupus nephritis were abrogated. CONCLUSIONS:
G-CSF treatment ameliorated lupus nephritis through the preferential expansion of
CD4(+)CD25(+)Foxp3(+) Tregs. Therefore, G-CSF has a therapeutic potential for
lupus nephritis.
|Animals
[MESH]
|Female
[MESH]
|Granulocyte Colony-Stimulating Factor/pharmacology/*therapeutic use
[MESH]