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Our goal was to elucidate the dynamic expression and distribution of the nuclear factor erythroid-derived factor 2-related factor 1 (Nrf1) by immunohistochemistry, Western blotting, and real-time PCR during wound healing of contused skeletal muscle in rats. An animal model of skeletal muscle contusion was established in 40 Sprague-Dawley male healthy rats.(More)
BACKGROUND The aim of this study was to use Six Sigma(SM) (Motorola Trademark Holdings, Libertyville, IL) techniques to analyze the quality of point-of-care (POC) glucose testing measurements quantitatively and to provide suggestions for improvement. MATERIALS AND METHODS In total, 151 laboratories in China were included in this investigation in 2014.(More)
INTRODUCTION To investigate the state of the art of intra-laboratory turnaround time (intra-TAT), provide suggestions and find out whether laboratories accredited by International Organization for Standardization (ISO) 15189 or College of American Pathologists (CAP) will show better performance on intra-TAT than non-accredited ones. MATERIALS AND METHODS(More)
INTRODUCTION Prenatal screening and diagnosis is important for the detection of birth defects and genetic diseases. The nationwide proficiency testing (PT) of maternal serum prenatal screening in second trimester in China has been launched since 2003 and partly reflected the performance of screening laboratories. This study analysed the 2015 PT results to(More)
BACKGROUND The nationwide external quality assessment (EQA) of tumor markers in China has been launched for years. The quality of the performance of Chinese clinical laboratories on tumor markers is partly reflected through analysis of EQA results. This report presents an 8-year EQA result of the six most common tumor markers from 2006 to 2013. METHODS(More)
BACKGROUND Internal quality control (IQC) plays a key role in the evaluation of precision performance in clinical laboratories. This report aims to present precision status of thyroid hormones immunoassays from 2011 to 2016 in China. METHODS Through Clinet-EQA reporting system, IQC information of Triiodothyronine and Thyroxine in the form of free and(More)
BACKGROUND This study aims to investigate the imprecision of internal quality control of routine chemistry analytes so that we can have an overall knowledge of imprecision level of measurement in laboratories in China. METHODS The internal quality control information including two kinds of coefficient of variations (CVs) of 22 analytes were collected via(More)
OBJECTIVE To evaluate the external quality survey results of newborn hereditary deafness gene mutations to improve and enhance the testing quality of hereditary deafness gene mutations. METHODS Each of 30 voluntarily participating laboratories testing newborn hereditary deafness gene mutations received 15 lots of quality control blood spots in this survey(More)