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Journal of Clinical Laboratory Analysis

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https://www.readbyqxmd.com/read/29349813/hla-b27-testing-a-journey-from-flow-cytometry-to-molecular-subtyping
#1
Pratiksha Chheda, Sandeep Warghade, Jyothi Mathias, Tavisha Dama, Sunmeet Matkar, Nilesh Shah, Rajesh Bendre
BACKGROUND: Determination of HLA-B27 status plays an important role as adjuvant in suspected cases for diagnosis of Ankylosing Spondilytis (AS). Objectives of this study were to evaluate (i) flow cytometry method in comparison with DNA microarray for HLA-B27 typing and (ii) EUROArray HLA-B27 Direct assay for HLA-B27 allele detection along with discrimination of AS/non-AS subtypes in Indian population. METHODS: A total of 7543 patients with a presumptive clinical diagnosis of AS were referred for screening of HLA-B27...
January 19, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29349811/genetic-analysis-of-interleukin-18-gene-polymorphisms-in-alopecia-areata
#2
Sumeyya Deniz Celik, Omer Ates
BACKGROUND: Alopecia areata (AA), which appears as nonscarring hair shedding on any hair-bearing area, is a common organ-specific autoimmune condition. Cytokines have important roles in the development of AA. Interleukin (IL) 18 is a significant proinflammatory cytokine that was found higher in the patients with AA. We aimed to investigate whether the IL-18 (rs187238 and rs1946518) single nucleotide polymorphisms (SNPs) may be associated with AA and/or clinical outcome of patients with AA in Turkish population...
January 18, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29341286/test-1-analyzer-and-conventional-westergren-method-for-erythrocyte-sedimentation-rate-a-comparative-study-between-two-laboratories
#3
Cigdem Sonmez, Ozlem Ceylan Dogan, Aysegul Ozturk Kaymak, Nedim Akkaya, Kadir Okhan Akin, Gulcan Guntas
BACKGROUND: Measurement of the length of sedimentation reaction in blood (LSRB), also called erythrocyte sedimentation rate (ESR), is a widely used hematology test. This study intends to compare ESR levels measured by Test-1 method and International Council for Standardization in Hematology's (ICSH) reference method, and analyzes the effect of hematocrit (Hct) on ESR results. MATERIAL AND METHODS: A total of 755 patients from 2 hospitals were included in the study, and samples with EDTA were studied by Test-1 method for ESR measurement and total blood count, whereas citrated samples were studied with reference Westergren method...
January 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29333619/surrogate-scale-for-evaluating-respiratory-function-based-on-complete-blood-count-parameters
#4
Yang Guang, Zhou Jie, Dong Feng, Liu Hui
BACKGROUND: In this study, we aimed to identify a simple method for evaluating respiratory function using complete blood count parameters. METHODS: The complete blood count parameters, including red blood cell (RBC) count, hemoglobin (Hb) level, lymphocyte (Lym) and platelet (Plt) count, and partial pressure of oxygen (PO2 ) level, were measured using automated analyzers in patients with chronic obstructive pulmonary disease (COPD), aged subjects, and young subjects (control group)...
January 15, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29333616/determination-of-vitamins-k1-mk-4-and-mk-7-in-human-serum-of-postmenopausal-women-by-hplc-with-fluorescence-detection
#5
Eva Klapkova, Jana Cepova, Katerina Dunovska, Richard Prusa
BACKGROUND: New high-performance liquid chromatography (HPLC) method was developed for the determination of vitamin K1 and two forms of vitamin K2 (MK-4 and MK-7) in human serum, and the levels of vitamin K were determined in 350 samples of postmenopausal women. METHODS: Vitamin K was determined by HPLC with fluorescence detection after postcolumn zinc reduction. The detection was performed at 246 nm (excitation) and 430 nm (emission). The internal standard and 2 mL of ethanol were added to 500 μL of serum...
January 15, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29333615/circular-rna-hsa_circ_0000567-can-be-used-as-a-promising-diagnostic-biomarker-for-human-colorectal-cancer
#6
Jianjun Wang, Xiaomin Li, Linming Lu, Lei He, Haoran Hu, Zengxiang Xu
BACKGROUND: Recent studies have revealed that circular RNAs are involved in the biological process of some kinds of human cancers. However, little is known about their diagnostic values and functions in colorectal cancer (CRC). METHODS: The expression levels of hsa_circ_0000567 in 102 paired CRC tissues and adjacent noncancerous tissues, 5 CRC cell lines, and a normal colorectal epithelial cell line were detected by quantitative real-time polymerase chain reaction (qRT-PCR)...
January 15, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29315856/red-blood-cell-distribution-width-as-a-predictor-of-atrial-fibrillation
#7
Qingmiao Shao, Panagiotis Korantzopoulos, Konstantinos P Letsas, Gary Tse, Jiang Hong, Guangping Li, Tong Liu
BACKGROUND: Current evidence suggests that a higher red blood cell distribution width (RDW) may be associated with increased risk of atrial fibrillation (AF) development. Given that some controversial results have been published, we conducted a systematic review of the current literature along with a comprehensive meta-analysis to evaluate the association between RDW and AF development. METHODS: We performed a systematic search of the literature using electronic databases (PubMed, Ovid, Embase, and Web of Science) to identify studies reporting on the association between RDW and AF development published until June 2016...
January 8, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29315815/reference-intervals-of-carbohydrate-antigen-19-9-in-the-apparently-healthy-adult-population
#8
Gao-Ming Zhang, Shu-Mei Bai, Guo-Ming Zhang, Xiao-Bo Ma
BACKGROUND: To establish reference intervals of carbohydrate antigen 19-9(CA 19-9) according to the CLSI CA28-A3 guideline and to evaluate age- and gender-related variations. METHODS: Serum CA 19-9 values of 10 149 healthy subjects (from 20 years old to 60 years old) were measured from location health checkups. The relationship between CA 19-9 and age was analyzed using Spearman's approach. The reference intervals of CA19-9 were established using Q2.5 and Q97...
January 8, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29315792/association-between-smad3-gene-rs12901499-polymorphism-and-knee-osteoarthritis-in-a-chinese-population
#9
Li Zhang, Limin Zhang, Haiqin Zhang, Wenjun Wang, You Zhao
BACKGROUND: Many studies have revealed that transforming growth factor-beta (TGF-β) signals play important roles in maintaining normal status of articular cartilage in human osteoarthritis (OA). However, SMAD3 had inhibitory effect on TGF-β-induced chondrocyte maturation. METHOD: To evaluate the association of SMAD3 genetic variants with the risk of knee OA, we conducted this hospital-based case-control study involving 350 knee patients with OA and 400 controls in a Chinese population...
January 8, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29314318/two-novel-cps1-mutations-in-a-case-of-carbamoyl-phosphate-synthetase-1-deficiency-causing-hyperammonemia-and-leukodystrophy
#10
Xihui Chen, Lijuan Yuan, Mao Sun, Qingbo Liu, Yuanming Wu
BACKGROUND: Carbamoyl phosphate synthetase 1 deficiency (CPS1D) is a rare autosomal recessive disorder of the urea cycle, mostly characterized by hyperammonemia and the concomitant leukodystrophy. The onset of CPS1D can be at any age, and the clinical manifestations are variable and atypical. Genetic tests are indispensable for accurate diagnosis of CPS1D on the basis of biochemical tests. METHODS: Blood tandem mass spectrometric analysis and urea organic acidemia screening were performed on a Chinese neonatal patient with low activity, recurrent seizures, and hyperammonemia...
January 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29314254/manual-versus-automated-streaking-system-in-clinical-microbiology-laboratory-performance-evaluation-of-previ-isola-for-blood-culture-and-body-fluid-samples
#11
Qute Choi, Hyun Jin Kim, Jong Wan Kim, Gye Cheol Kwon, Sun Hoe Koo
BACKGROUND: The process of plate streaking has been automated to improve routine workflow of clinical microbiology laboratories. Although there were many evaluation reports about the inoculation of various body fluid samples, few evaluations have been reported for blood. In this study, we evaluated the performance of automated inoculating system, Previ Isola for various routine clinical samples including blood. METHODS: Blood culture, body fluid, and urine samples were collected...
January 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29314251/clinical-and-hematological-data-to-group-different-chronic-kidney-disease-patients-a-practical-approach-to-establish-different-groups-of-patients
#12
Vinícius B Péterle, Jéssica de O Souza, Fernanda de O Busato, Frederico J Eutrópio, Gisele de A P da Costa, David N Olivieri, Carlos E Tadokoro
BACKGROUND: Chronic kidney disease (CKD) is the convergent point of several pathological processes, and its evolution is insidious and characterized by a progressive and irreversible loss of kidney function. This impaired function induces the accumulation of uremic toxins and individuals with terminal CKD often have altered physiological responses, including a persistent state of immuno-suppression and development of diseases. A better characterization and stratification of these patients with CKD in different immuno-compromised groups would contribute to more effective and personalized treatments...
January 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29282771/consistency-of-the-moreau-cll-score
#13
Marc Sorigue, Edurne Sarrate, Mireia Franch-Sarto, Evarist Feliu, Jordi Junca
BACKGROUND: The Moreau score is essential for the diagnosis of B-cell lymphoproliferative disorders (B-LPD). METHODS: We assessed the consistency of the Moreau score in a series of 138 patients with at least two samples involved by a B-LPD (316 samples) other than germinal center-derived malignancies, hairy cell leukemia, and mantle cell lymphomas. Patients with evidence of two distinct B-LPDs were also excluded. RESULTS: We found 53 inconsistencies in 44 of 138 (32%) patients...
December 28, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29266369/correlation-between-the-cell-population-in-the-automated-hematology-analyzer-high-fluorescence-region-and-atypical-lymphocyte-flags
#14
Hongjie Xie, Yue Wu, Wei Cui
INTRODUCTION: During routine blood measurements using an automated hematology analyzer, two easily confused types of suspect flags related to lymphocytes often appear: atypical and immature lymphocytes. The aim of this study was to investigate the correlation of high fluorescence cell (HFC) parameter and lymphocyte flags determined from an automated hematology analyzer. METHODS: A total of 93 patients affected by various pathologic conditions (viral infection, immunological disease, oncological disease and tumor) were divided into an "atypical lymphocytes" group ("atypical" for short), an "immature lymphocytes/blasts" flag group (abnormal), a mixed-flag group that includes "atypical lymphocytes" (mixed), and a non-flag group (non-flag)...
December 21, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29251384/aspartate-transaminase-to-platelet-ratio-index-and-gamma-glutamyl-transpeptidase-to-platelet-ratio-outweigh-fibrosis-index-based-on-four-factors-and-red-cell-distribution-width-platelet-ratio-in-diagnosing-liver-fibrosis-and-inflammation-in-chronic-hepatitis
#15
Xiaojuan Wu, Bei Cai, Zhenzhen Su, Yamei Li, Jin Xu, Rong Deng, Lanlan Wang
BACKGROUND: The benefits of using serum markers to diagnose stages of liver disease in chronic hepatitis B (CHB) patients are controversial. We conducted a study to compare the clinical significance of four markers in evaluating liver inflammation and fibrosis in CHB patients. METHODS: A total of 323 treatment-naive CHB patients who received a liver biopsy and routine laboratory testing were enrolled in our study. We used the Scheuer scoring system as a pathological standard for diagnosing liver inflammation and fibrosis...
December 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29251369/association-of-polymorphism-in-the-vegfa-gene-3-utr-936t-c-with-susceptibility-to-biliary-atresia-in-a-southern-chinese-han-population
#16
Fei Liu, Jixiao Zeng, Deli Zhu, Ruizhong Zhang, Xiaogang Xu, Mengmeng Wang, Yan Zhang, Huimin Xia, Zhichun Feng
BACKGROUND: Biliary atresia (BA) is a neonatal disease characterized by chronic inflammation of the bile ducts and progressive aggravation of jaundice, but with a poor prognosis and high mortality. The etiology of BA is still uncertain which may be related to gene defect, virus infection, immune disorder, gene polymorphism. As a proinflammatory cytokine, VEGFA gene polymorphism (rs3025039) has been shown to be related to the pathogenesis of BA in Taiwanese population. METHODS: We investigated the association between VEGFA gene polymorphism (rs3025039) and BA susceptibility using the largest case-control cohort, totaling with 506 BA patients and 1473 healthy controls in a Southern Chinese Han population...
December 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29251364/after-neoadjuvant-chemotherapy-platelet-lymphocyte-ratios-negatively-correlate-with-prognosis-in-gastric-cancer-patients
#17
Weipeng Gong, Lei Zhao, Zhaogang Dong, Yu Dou, Yanguo Liu, Chao Ma, Xun Qu
INTRODUCTION: Circulating predictors prognostic factors of neoadjuvant chemotherapy, which identify the patients who are potential possibly to benefit from it are limited at present. In this research, we aimed to compare the prognostic significance of neutrophil/lymphocyte ratio (NLR) and platelet/lymphocyte ratio (PLR) in patients with locally advance gastric carcinoma who were treated with neoadjuvant chemotherapy (NAC) followed by D2 gastrectomy. MATERIALS AND METHODS: From 2007 to 2015, 91 patients with locally advanced gastric cancer treated with NAC followed by D2 gastrectomy included in this retrospective cohort study...
December 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29243847/utility-of-complete-blood-count-parameters-to-detect-premature-ovarian-insufficiency-in-cases-with-oligomenorrhea-amenorrhea
#18
Ilhan Sanverdi, Cetin Kilicci, Ebru Cogendez, Cigdem Abide Yayla, Enis Ozkaya
BACKGROUND: There are very few biomarkers available to diagnose cases with premature ovarian failure. Some complete blood count parameters have been introduced to be diagnostic biomarkers for several disorders associated with inflammatory process. Due to the evidence that indicated chronic inflammatory process to be underlying pathophysiology in premature ovarian insufficiency (POI), we aimed to assess the predictive value of complete blood count parameters for POI diagnosis. METHOD: A total of 96 women diagnosed to have premature ovarian failure were compared with 110 otherwise healthy women in terms of some basal hormone levels and complete blood count parameters...
December 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29226993/genetic-polymorphisms-of-microrna-machinery-genes-predict-overall-survival-of-esophageal-squamous-carcinoma
#19
Cuiju Wang, Hailing Dong, Haiyan Fan, Jianhua Wu, Guiying Wang
BACKGROUND: MicroRNA (miRNA)-related single nucleotide polymorphisms (miR-SNPs) in miRNA processing machinery genes are implicated in carcinogenesis, as they change the expression profiles of miRNA. Six miR-SNPs in miRNA processing machinery genes, including Dicer (rs3742330), RAN (rs14035), XPO5 (rs11077), TNRC6B (rs9623117), GEMIN3 (rs197412), and GEMIN4 (rs2740348), were evaluated for their association with esophageal squamous cell carcinoma (ESCC). METHODS: The miR-SNP of the miRNA processing genes were genotyped using the polymerase chain reaction-ligase detection reaction (PCR-LDR) assay, while the XPO5 expression levels in ESCC tissues were measured by immunochemistry methods...
December 11, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29218743/repeatability-of-pleural-adenosine-deaminase-measurements-in-diagnostic-evaluation-of-pleural-effusions
#20
Ourania S Kotsiou, Panagiota Tzortzi, Rafailia A A Beta, Athanasios Kyritsis, Konstantinos I Gourgoulianis
BACKGROUND: A follow-up thoracentesis is proposed in suspected atypical tuberculosis cases. The study aimed to define the variability of pleural ADA values across repeated thoracenteses in different types of pleural effusions (PEs) and to evaluate whether ADA variance, in regard to the cutoff value of 40 U/L, affected final diagnosis. METHODS: A total of 131 patients with PEs of various etiologies underwent three repeated thoracenteses. ADA values were subsequently estimated...
December 7, 2017: Journal of Clinical Laboratory Analysis
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