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2017 ; 7
(1
): 9503
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Pharmacological Inhibition of PTEN Aggravates Acute Kidney Injury
#MMPMID28842716
Zhou J
; Jia L
; Hu Z
; Wang Y
Sci Rep
2017[Aug]; 7
(1
): 9503
PMID28842716
show ga
Renal ischemia/reperfusion is a major cause of acute kidney injury. However, the
pathogenic mechanisms underlying renal ischemia/reperfusion injury (IRI) are not
fully defined. Here, we investigated the role of PTEN, a dual protein/lipid
phosphatase, in the development of ischemic AKI in mice. Pharmacological
inhibition of PTEN with bpV(HOpic) exacerbated renal dysfunction and promoted
tubular damage in mice with IRI compared with vehicle-treated mice with IRI. PTEN
inhibition enhanced tubular cell apoptosis in kidneys with IRI, which was
associated with excessive caspase-3 activation. Furthermore, PTEN inhibition
expanded the infiltration of neutrophils and macrophages into kidneys with IRI,
which was accompanied by increased expression of the proinflammatory molecules.
These results have demonstrated that PTEN plays a crucial role in the
pathogenesis of ischemic acute kidney injury through regulating tubular cell
apoptosis and inflammation suggesting PTEN could be a potential therapeutic
target for acute kidney injury.