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Journal of Clinical Laboratory Analysis

Andrew N Reynolds, Ashley Duncan, Devonia Kruimer, Bernard J Venn
BACKGROUND: The level of glycated albumin in circulation is an indicator of blood glucose control over the preceding 2 weeks. It is not known if the level of glycated albumin in circulation relates to an individual's postprandial blood glucose response. METHODS: Eighty-four euglycemic young adults (21.1 [3.9] years, BMI 23.9 [4.0] kg/m(2) ) primarily of European descent underwent a fasted meal test of 50 g carbohydrate from white bread. Capillary blood was then sampled at regular intervals over 2 hours...
October 24, 2016: Journal of Clinical Laboratory Analysis
Zehra Kaya, Mustafa Akkiprik, Sevgi Karabulut, Irem Peker, Gokce Gullu Amuran, Tolga Ozmen, Bahadır M Gulluoglu, Handan Kaya, Ayse Ozer
BACKGROUND: Both insulin-like growth factor-binding protein 7 (IGFBP7) and telomere length (TL) are associated with proliferation and senescence of human breast cancer. This study assessed the clinical significance of both TL and IGFBP7 methylation status in breast cancer tissues compared with adjacent normal tissues. We also investigated whether IGFBP7 methylation status could be affecting TL. METHODS: Telomere length was measured by quantitative PCR to compare tumors with their adjacent normal tissues...
October 24, 2016: Journal of Clinical Laboratory Analysis
Wonmok Lee, Yukyung Kim, Soonhee Chang, A-Jin Lee, Chang-Ho Jeon
BACKGROUND: Vitamin C may interfere with the results of urine dipstick tests. We investigated the incidence of urinary vitamin C and its interference with urine dipstick reagents using a vitamin C dipstick. METHODS: The incidence of urinary vitamin C was determined in patients and healthy individuals undergoing routine medical check-ups. Interference tests were performed using samples with various amounts of added vitamin C. For clinical samples, we identified false-negative dipstick glucose, hemoglobin, and leukocyte esterase results based on the urine sediment and serum glucose results...
October 24, 2016: Journal of Clinical Laboratory Analysis
Zhi-Qi Wu, Hua-Guo Xu
OBJECTIVE: The purpose of our study was to analyze the effects of temperature, time delay, and time to centrifugation on the stability of human plasma adrenocorticotropin (ACTH) measurements. METHODS: Twenty-one EDTA whole blood sample pools were centrifuged at 1100 ×g for 10 minutes at 4°C either immediately or after storage for 2, 4, 8, and 24 hours at 4°C or room temperature. Plasma ACTH was then measured either immediately or after 2, 4, 8, and 24 hours storage at 4°C or room temperature...
October 13, 2016: Journal of Clinical Laboratory Analysis
Yu-Liang Zhan, Bin Zou, Ting Kang, Ling-Bing Xiong, Jin Zou, Yun-Feng Wei
BACKGROUND: Accumulating evidence suggests that increased red cell distribution width (RDW) and mean corpuscular volume (MCV) were both poor prognostic factors for patients with cardiovascular diseases. Recently, the multiplicative interaction between RDW and MCV has been observed for predicting mortality in elderly patients without anemia; however, the relationship between the product of RDW-MCV and hypertension-induced target organ damage (TOD) has not been evaluated. METHODS: We performed a cross-sectional study in 1115 hypertensive patients...
October 13, 2016: Journal of Clinical Laboratory Analysis
Maryam Keshvari, Seyed Moayed Alavian, Bita Behnava, Ali Pouryasin, Johanna C Craig, Heidar Sharafi
BACKGROUND: The aim of this study was to determine whether two polymorphisms of the human interferon lambda 4 (IFNL4) gene (rs12979860 and rs8099917) can predict sustained virologic response (SVR) following antiviral therapy in patients with inherited bleeding disorder and chronic hepatitis C (CHC). METHODS: This retrospective study was conducted on 294 patients with congenital bleeding disorder and CHC who were treated with Peg-Interferon-α (PegIFN) and Ribavirin (RBV)...
October 13, 2016: Journal of Clinical Laboratory Analysis
Esra Laloglu, Yakup Kumtepe, Hulya Aksoy, Emsal Pınar Topdagi Yilmaz
BACKGROUND: Ovarian and endometrial carcinomas are the two most common malignancies of the female reproductive system. Endocan is a proteoglycan that is specific to vascular endothelial cells. Increased serum levels have been reported in some tumors. The aim of this study was to investigate serum endocan levels in cases of endometrial and ovarian cancer. METHODS: Levels of serum endocan were assessed in 27 patients with endometrial cancer and 20 with ovarian cancer, and in 38 control subjects with benign ovarian or endometrial disorders...
October 13, 2016: Journal of Clinical Laboratory Analysis
Yanli Li, Xueqin Li, Dejun Sun, Shaoxi Cai
OBJECTIVE: Obesity is involved in the pathogenesis of obstructive sleep apnea syndrome (OSAS). Irisin, a recently discovered myokine, protects the mice from obesity. This study aims to determine the association of serum irisin concentrations with the presence and severity of OSAS. METHODS: This cross-sectional investigation was performed in 165 male OSAS patients and 98 healthy male subjects. Serum irisin concentrations were assessed using an enzyme-linked immunosorbent assay kit...
October 11, 2016: Journal of Clinical Laboratory Analysis
Fen Ji, Shuqin Zhang, Xia Jiang, Yuyin Xu, Zhiwei Chen, Yaping Fan, Wenjuan Wang
OBJECTIVES: This study was undertaken to determine the diagnostic and prognostic values of galectin-3 (Gal-3) in patients with chronic kidney disease (CKD). METHODS: Patients with CKD (n=150) were enrolled as the CKD group, which was divided into six groups according to glomerular filtration rates (GFR) indexes. At the same time, 50 healthy adults were chosen for the control group (NC). Measured data included the levels of serum Gal-3, serum creatinine (SCr), β2 -microglobulin (β2 -MG), 24-hour urinary protein, cystatin C (CysC), serum albumin (Alb) and other related indicators...
October 11, 2016: Journal of Clinical Laboratory Analysis
Zhangshun Liu, Jie Liu, Xiaohong Shi, Lihong Wang, Yan Yang, Minfang Tao, Qiang Fu
OBJECTIVE: The aim of this study is to compare calculated free testosterone (cFT) and total testosterone (T) in predicting late-onset hypogonadism (LOH) in middle-aged and elderly males. METHODS: We surveyed a random sample of 608 males between the ages of 45 and 87 years from Shanghai, China. The Aging Male Symptoms (AMS) questionnaire and the Androgen Deficiency in Aging Male (ADAM) questionnaire were completed by the subjects. Testosterone (T), sex hormone-binding globulin (SHBG), albumin, and other blood biochemical indexes were measured in 332 males...
October 7, 2016: Journal of Clinical Laboratory Analysis
Hale Ates, Ihsan Ates, Harun Kundi, Fatma Meric Yilmaz
BACKGROUND: The aim of this study was to determine the hematologic parameter with the highest diagnostic differentiation in the identification of massive acute pulmonary embolism (APE). METHODS: A retrospective study was performed on patients diagnosing with APE between June 2014 and June 2016. All radiological and laboratory parameters of patients were scanned through the electronic information management system of the hospital. PLR was obtained from the ratio of platelet count to lymphocyte count, NLR was obtained from the ratio of neutrophil count to lymphocyte count, WMR was obtained from white blood cell in mean platelet volume ratio, MPR was obtained from the ratio of mean platelet volume to platelet count, and RPR was obtained from the ratio of red distribution width to platelet count...
October 6, 2016: Journal of Clinical Laboratory Analysis
Sabrina Buoro, Tommaso Mecca, Michela Seghezzi, Barbara Manenti, Giovanna Azzarà, Cosimo Ottomano, Giuseppe Lippi
BACKGROUND: This article was aimed to test the use of validation rules for blood smear review after automated hematological testing using Mindray CAL-8000 (two hematological analyzers and one autoslider). METHODS: This study was based on 1013 peripheral blood samples (PB) referred for routine hematological testing. Results of testing on CAL-8000 were analyzed using both locally derived and International Consensus Group for Hematology (ICGH) validation rules, and then compared with data obtained by optical microscopy (OM)...
October 6, 2016: Journal of Clinical Laboratory Analysis
Samira Kalayi Nia, Shayan Ziaee, Mohammad Ali Boroumand, Maryam Sotudeh Anvari, Leyla Pourgholi, Arash Jalali
BACKGROUND: The association between genetic variations of vascular endothelial growth factor (VEGF) gene and the risk for atherosclerosis has been hypothesized. We aimed to assess the relationship between rs2010963 (+405 C/G) polymorphism and presence, severity, and outcome of coronary artery disease (CAD) in an Iranian cohort. METHODS: Genotyping of VEGF rs2010963 polymorphism was performed on 520 individuals, comprising 347 patients with documented coronary artery disease based on angiography report and 173 individuals with normal coronary arteries, using the TaqMan real-time PCR method...
October 5, 2016: Journal of Clinical Laboratory Analysis
Feng Chang, Lijun Li, Gang Gao, Shengqiang Ding, Jincai Yang, Ting Zhang, Genle Zuo
BACKGROUND: Our study was aimed at finding out if Runx2 SNPs (single-nucleotide polymorphisms) are related to susceptibility to and prognosis of ossification of posterior longitudinal ligament (OPLL). METHODS: We selected 80 OPLL patients and another 80 independent patients without OPLL from September 2013 to November 2014. Serum was collected to detect the genotypes of rs1321075, rs12333172, and rs1406846 on Runx2 with direct sequencing analysis. RESULTS: Differences in clinical characteristics, including age, weight, height, sex ratio, as well as smoking and drinking history, between OPLL and control groups appeared to be insignificant (all P-value >...
October 5, 2016: Journal of Clinical Laboratory Analysis
Li-Mian Er, Ming-Li Wu, Yang Gao, Shi-Jie Wang, Yong Li
BACKGROUND: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NEN) are relatively rare tumors that arise from the diffuse neuroendocrine system, and the biggest advances in molecular biology have helped in understanding these biological diversity of tumors over the past decades. It is important to determine the carcinogenesis of GEP-NEN from the perspective of genetic backgrounds. METHODS: Mitochondrial DNA (mtDNA) of peripheral blood from 66 GEP-NEN patients and from 75 healthy controls without history of any cancer were examined for single nucleotide polymorphisms (SNPs) and mutations in the displacement loop (D-loop) region...
October 5, 2016: Journal of Clinical Laboratory Analysis
Mustafa Bilgi, Ahmet Keser, Huseyin Katlandur, Emel Sahin, Ali Osman Kalkan, Murat Yildiz, Aysel Kiyici, Mustafa Keles
INTRODUCTION: Ischemia-modified albumin (IMA) is a marker which can be associated with oxidative stress in various ischemic and non-ischemic processes. Oxidative stress plays roles in diabetes mellitus, its complications and pathogenesis. Serum IMA levels are examined in various clinical events. However, urine IMA levels have not yet been evaluated in diabetic patients. In this study, we aim to examine the relationship between metabolic features and urine microalbuminuria levels of diabetic patients and their urine IMA levels...
October 1, 2016: Journal of Clinical Laboratory Analysis
Hong-Xin Peng, Lin Yang, Bang-Shun He, Yu-Qin Pan, Hou-Qun Ying, Hui-Ling Sun, Kang Lin, Xiu-Xiu Hu, Tao Xu, Shu-Kui Wang
BACKGROUND: Inflammation plays an important role in the development and progression of CRC. The members of inflammatory biomarkers, preoperative NLR and PLR, have been proved by numerous studies to be promising prognostic biomarkers for CRC. However, the diagnostic value of the two biomarkers in CRC remains unknown, and no study reported the combined diagnostic efficacy of NLR, PLR and CEA. METHODS: Five hundred and fifty-nine patients with I-III stage CRC undergoing surgical resection and 559 gender- and age-matched healthy controls were enrolled in this retrospective study...
September 30, 2016: Journal of Clinical Laboratory Analysis
Yan Wang, Yu-Xia Zhang, Yong-Lie Zhou, Jun Xia
BACKGROUND: In order to establish suitable reference intervals of thyroid-stimulating hormone (TSH), free (unbound) T4 (FT4), free triiodothyronine (FT3), total thyroxine (T4), and total triiodothyronine (T3) for the patients collected in Zhejiang, China, an indirect method was developed using the data from the people presented for routine health check-up. METHODS: Fifteen thousand nine hundred and fifty-six person's results were reviewed. Box-Cox or Case Rank was used to transform the data to normal distribution...
September 26, 2016: Journal of Clinical Laboratory Analysis
Hwan Tae Lee, Pil-Whan Park, Yiel-Hea Seo, Kyung-Hee Kim, Ja Young Seo, Ji-Hun Jeong, Moon Jin Kim, Jeong-Yeal Ahn
INTRODUCTION: The Mindray CAL 8000 is a cellular analysis line that consists of the BC-6800, an automated hematology analyzer, and the SC-120, an automated slidemaker/stainer. We evaluated the performances of the BC-6800 and the SC-120. METHODS: Four hundred and eight normal and abnormal samples were analyzed. The performance of the BC-6800 and Sysmex XE-2100 were compared, and blood films by the SC-120 and manual method were compared according to the CLSI guideline H26-A2 and H20-A2...
September 23, 2016: Journal of Clinical Laboratory Analysis
Jingjing Yang, Aiguo Tang, Shijie Zhang, Xiaoxu Sun, Liang Ming
INTRODUCTION: Prostate cancer (PC) is one of the most common malignancies in male, and has become the fastest growing malignancy in recent years. Prostate specific antigen (PSA) is widely used as a tumor marker to screen for PC. Many studies have been performed to define the reference intervals (RIs) for total circulating PSA (tPSA). The results were different among different nations and races, even in the same race. Few researches have been performed on the RIs of free PSA (fPSA) and the ratio of free to total PSA (%fPSA)...
September 20, 2016: Journal of Clinical Laboratory Analysis
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