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KMID : 0379520160320010047
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한국독성학회지
2016 Volume.32 No. 1 p.47 ~ p.56
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Pyruvate Kinase M2: A Novel Biomarker for the Early Detection of Acute Kidney Injury
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Cheon Ji-Hyun
Kim Sun-Young
Son Ji-Yeon
Kang Ye-Rim
An Ji-Hye
Kwon Ji-Hoon
Song Ho-Sub
Moon A-Ree
Lee Byung-Mu
Kim Hyung-Sik
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Abstract
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The identification of biomarkers for the early detection of acute kidney injury (AKI) is clinically important. Acute kidney injury (AKI) in critically ill patients is closely associated with increased morbidity and mortality. Conventional biomarkers, such as serum creatinine (SCr) and blood urea nitrogen (BUN), are frequently used to diagnose AKI. However, these biomarkers increase only after significant structural damage has occurred. Recent efforts have focused on identification and validation of new noninvasive biomarkers for the early detection of AKI, prior to extensive structural damage. Furthermore, AKI biomarkers can provide valuable insight into the molecular mechanisms of this complex and heterogeneous disease. Our previous study suggested that pyruvate kinase M2 (PKM2), which is excreted in the urine, is a sensitive biomarker for nephrotoxicity. To appropriately and optimally utilize PKM2 as a biomarker for AKI requires its complete characterization. This review highlights the major studies that have addressed the diagnostic and prognostic predictive power of biomarkers for AKI and assesses the potential usage of PKM2 as an early biomarker for AKI. We summarize the current state of knowledge regarding the role of biomarkers and the molecular and cellular mechanisms of AKI. This review will elucidate the biological basis of specific biomarkers that will contribute to improving the early detection and diagnosis of AKI.
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KEYWORD
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Acute kidney injury, Pyruvate kinase M2, Biomarker
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