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BACKGROUND A consensus on an accurate method to measure γ-glutamyltransferase (GGT) activity for clinical purposes has not been achieved among practicing clinical laboratories. To improve analytical trueness, we evaluated the influences of matrix effects in proficiency testing (PT) materials on the measurement of GGT activity in human serum samples. (More)
OBJECTIVE To establish of blood beta hydroxybutyrate (βOHB) threshold for diagnosing type 2 diabetes ketoacidosis (DKA) and explore the relationship between βOHB levels and the severity of DKA. METHODS Correlation analysis was performed between serum βOHB and [HCO(3)] in type 2 diabetic patients admitted in the emergency department in the past year.(More)
Estrogen measurements are important in the assessment of female reproductive function and have expanding roles in other fields. A simple, accurate, highly sensitive and specific isotope-dilution liquid chromatography-tandem mass spectrometry method was developed and evaluated to simultaneously measure three endogenous estrogens in serum: estrone (E1),(More)
Inflammation is a component of tumor progression mechanisms. Neutrophils are a common inflammatory infiltrate in many tumors, but their regulation and functions in neoplasia are not understood. Here, we showed, in detailed studies of c-Met molecule in 225 untreated patients with hepatocellular carcinoma (HCC), that high infiltration of neutrophils in HCC(More)
BACKGROUND Serum alkaline phosphatase (ALP) plays a critical role in the diagnosis of various diseases, and the establishment of relevant, reliable reference intervals (RI) is key to avoiding misdiagnoses. In 2011, IFCC published the new reference measurement procedure (RMP) for the determination of serum ALP in which one of the main modifications was the(More)
BACKGROUND Alkaline phosphatase (ALP) is routinely analyzed in clinical laboratories for the comprehensive assessment of hepatic and osteal diseases. The official reference measurement procedure (RMP) of ALP was released by the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) in 2011. However, most of the commercial kits still(More)
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