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2016 ; 4
(ä): 96
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The Immunomodulatory Functions of Diacylglycerol Kinase ?
#MMPMID27656643
Singh BK
; Kambayashi T
Front Cell Dev Biol
2016[]; 4
(ä): 96
PMID27656643
show ga
The generation of diacylglycerol (DAG) is critical for promoting immune cell
activation, regulation, and function. Diacylglycerol kinase ? (DGK?) serves as an
important negative regulator of DAG by enzymatically converting DAG into
phosphatidic acid (PA) to shut down DAG-mediated signaling. Consequently, the
loss of DGK? increases DAG levels and the duration of DAG-mediated signaling.
However, while the enhancement of DAG signaling is thought to augment immune cell
function, the loss of DGK? can result in both immunoactivation and
immunomodulation depending on the cell type and function. In this review, we
discuss how different immune cell functions can be selectively modulated by DGK?.
Furthermore, we consider how targeting DGK? can be potentially beneficial for the
resolution of human diseases by either promoting immune responses important for
protection against infection or cancer or dampening immune responses in
immunopathologic conditions such as allergy and septic shock.