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2018 ; 13
(4
): e0195758
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Exogenous pentraxin-3 inhibits the reactive oxygen species-mitochondrial and
apoptosis pathway in acute kidney injury
#MMPMID29672566
Lee HH
; Kim SY
; Na JC
; Yoon YE
; Han WK
PLoS One
2018[]; 13
(4
): e0195758
PMID29672566
show ga
Pentraxin-3 (PTX3) is a long-form member of the pentraxin family of proteins that
has been studied in inflammatory diseases and in various organs. We found that
PTX3 protects kidney cells during ischemia and proinflammatory acute kidney
injury. The aim of this study was to develop an in vitro experimental model of
acute kidney injury and to analyze the protective mechanism of exogenous
recombinant PTX3. In this study, cells of the HK-2 renal tubular cell line were
treated with a calcium ionophore (A23187), which induced injury by increasing
intracellular calcium concentrations and inducing calpain activity and the
generation of reactive oxygen species. Exposure of cells to PTX3 significantly
attenuated these effects. In addition, the activity of caspase-3 and PARP-1 were
decreased in ischemic cells exposed to exogenous recombinant PTX3. PTX3
stabilized the mitochondrial membrane potential and suppressed apoptosis,
resulting in the protection of renal tubular cells from ischemic injury.