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2017 ; 129
(18
): 2557-2569
Nephropedia Template TP
gab.com Text
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T regulatory cells and dendritic cells protect against transfusion-related acute
lung injury via IL-10
#MMPMID28202460
Kapur R
; Kim M
; Aslam R
; McVey MJ
; Tabuchi A
; Luo A
; Liu J
; Li Y
; Shanmugabhavananthan S
; Speck ER
; Zufferey A
; Yousef G
; Zhang H
; Rondina MT
; Weyrich AS
; Porcelijn L
; Kuebler WM
; Slutsky AS
; Semple JW
Blood
2017[May]; 129
(18
): 2557-2569
PMID28202460
show ga
Transfusion-related acute lung injury (TRALI) is the leading cause of
transfusion-related fatalities and is characterized by acute respiratory distress
following blood transfusion. Donor antibodies are frequently involved; however,
the pathogenesis and protective mechanisms in the recipient are poorly
understood, and specific therapies are lacking. Using newly developed murine
TRALI models based on injection of anti-major histocompatibility complex class I
antibodies, we found CD4(+)CD25(+)FoxP3(+) T regulatory cells (Tregs) and
CD11c(+) dendritic cells (DCs) to be critical effectors that protect against
TRALI. Treg or DC depletion in vivo resulted in aggravated antibody-mediated
acute lung injury within 90 minutes with 60% mortality upon DC depletion. In
addition, resistance to antibody-mediated TRALI was associated with increased
interleukin-10 (IL-10) levels, and IL-10 levels were found to be decreased in
mice suffering from TRALI. Importantly, IL-10 injection completely prevented and
rescued the development of TRALI in mice and may prove to be a promising new
therapeutic approach for alleviating lung injury in this serious complication of
transfusion.
|*Acute Lung Injury/etiology/immunology/prevention & control
[MESH]