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Annals of Clinical and Laboratory Science

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https://www.readbyqxmd.com/read/29066495/discordant-analytical-results-caused-by-biotin-interference-on-diagnostic-immunoassays-in-a-pediatric-hospital
#1
Mahesheema Ali, Deepthi Rajapakshe, Liyun Cao, Sridevi Devaraj
Recent studies have reported that biotin interferes with certain immunoassays. In this study, we evaluated the analytical interference of biotin on immunoassays that use streptavidin-biotin in our pediatric hospital. We tested the effect of different concentrations of biotin (1.5-200 ng/ml) on TSH, Prolactin, Ferritin, CK-MB, β-hCG, Troponin I, LH, FSH, Cortisol, Anti-HAV antibody (IgG and IgM), assays on Ortho Clinical Diagnostic Vitros 5600 Analyzer. Biotin (up to 200 ng/mL) did not significantly affect Troponin I and HAV assays...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066494/vitamin-d-receptor-apai-rs7975232-polymorphism-confers-decreased-risk-of-pulmonary-tuberculosis-in-overall-and-african-population-but-not-in-asians-evidence-from-a-meta-analysis
#2
Mohammed Y Areeshi, Raju K Mandal, Mohd Wahid, Sajad A Dar, Arshad Jawed, Mohtashim Lohani, Amir Mahgoub Awadelkareem Abdallah, Saif Khan, Aditya K Panda, B N Mishra, Shafiul Haque
GOALS: The involvement of the VDR ApaI gene polymorphism in the development of pulmonary tuberculosis (PTB) has been reported by numerous published studies and yielded inconsistent results. The present meta-analysis evaluated the association of VDR ApaI polymorphism and risk of PTB occurrence. PROCEDURES: PubMed (Medline), EMBASE and Google Scholar web-databases were searched and a meta-analysis was performed by calculating the pooled odds ratios (ORs) and 95% confidence intervals (95% CIs)...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066493/capillarys-2-flex-piercing-detected-a-rare-case-of-hb-broomhill
#3
Liqin Ling, Hao Chen, Chaonan Liu, Si Chen, YaXiong Jin, Jing Zhou
We report a case of an extremely rare hemoglobin (Hb) variant-Hb Broomhill, which has been only reported once in the literature. Hemoglobin fractions were determined by capillary electrophoresis (Sebia Capillarys 2 Flex piercing) and high performance liquid chromatography (HPLC) (Bio-Rad Variant™ II Hemoglobin Testing System), respectively. Complete blood count and DNA sequencing were also performed. The capillary electrophoregram revealed a tiny shoulder peak before the HbA peak and a subtle abnormal HbA2 peak (slightly wider and lower), even though the percentage of each hemoglobin fraction was within the reference range (HbA, 97...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066492/granulomatous-thyroiditis-a-case-report-and-literature-review
#4
Darshan P Trivedi, Ramesh Bhagat, Yukihiro Nakanishi, Alun Wang, Krzysztof Moroz, Nadja K Falk
BACKGROUND: Granulomatous disease in the thyroid gland has been linked to viral, bacterial and autoimmune etiologies. The most common granulomatous disease of the thyroid is subacute granulomatous thyroiditis, which is presumed to have a viral or post-viral inflammatory cause. Bacterial etiologies include tuberculosis, actinomycosis, and nocardiosis, but are extremely rare. Disseminated actinomycosis and nocardiosis more commonly affect organ-transplant patients with the highest susceptibility within the first year after transplant surgery...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066491/igm-myeloma-with-plasma-cell-leukemia-case-report-and-literature-review
#5
Saurabh Chhabra, Sandeep Jain, Amanda Fowler, Valeriy Sedov, Amarendra K Neppalli, Cynthia A Schandl, John Lazarchick
IgM multiple myeloma (MM) is a rare entity representing approximately 0.5% of all MM. It should be distinguished from malignant neoplasms of B cells with plasmacytic differentiation such as Waldenstrom macroglobulinemia (WM) and marginal zone lymphoma with plasmacytic differentiation. Plasma cell leukemia (PCL) is a rare and aggressive variant of MM characterized by the presence of circulating plasma cells. We present a case report of a patient who presented with IgM MM in primary PCL phase with high-risk cytogenetics...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066490/novel-germline-p-gly42val-men1-mutation-in-a-family-with-multiple-endocrine-neoplasia-type-1-excellent-response-of-prolactinoma-to-cabergoline
#6
Viktoria F Koehler, Kerstin Jungheim, Ute Groß, Donato Iacovazzo, Alexander Mann, Márta Korbonits
We report on a 27-year-old male patient presenting with renal colic secondary to hyperparathyroidism. Further investigations confirmed a diagnosis of type 1 multiple endocrine neoplasia and revealed a 2.0 cm pancreatic neuroendocrine tumour as well as a pituitary macroadenoma with significantly elevated prolactin levels. The patient underwent three-gland parathyroidectomy, a left pancreatectomy, and received dopamine agonist treatment. Genetic testing revealed a novel germline heterozygote missense mutation in the MEN1 gene (p...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066489/demodex-as-a-delivery-vector-for-topical-targeted-medications-in-the-skin-for-early-melanoma-and-non-melanoma-skin-cancer
#7
Stephen L Strobel
The potential utilization of Demodex mites as delivery vectors for cytotoxic medications directed to early skin cancer is proposed. Potential benefits, proof of concept, and limitations are discussed.
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066488/can-tranexamic-acid-reduce-blood-loss-during-major-cardiac-surgery-a-pilot-study
#8
Frances Compton, Amer Wahed, Igor Gregoric, Biswajit Kar, Amitava Dasgupta, Hlaing Tint
We examined the effectiveness of tranexamic acid in preventing intraoperative blood loss during major cardiac surgery. Out of initial 81 patients undergoing major cardiac surgery (both coronary artery bypass and valve repair procedures) at our teaching hospital, sixty-seven patients were selected for this study. We compared estimated blood loss, decrease in percent hemoglobin and hematocrit following surgery between two groups of patients (none of them received any blood product during surgery), one group receiving no tranexamic acid (n=17) and another group receiving tranexamic acid (n=25)...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066487/early-antibody-response-contributes-to-the-virus-eradication-and-clinical-recovery-of-h7n9-influenza-infection
#9
Xi Liu, Zheng Yang, Jing Yuan, Jian Liao, Lian Duan, Wenfei Wang, Fuping Zhang, Xinchun Chen, Boping Zhou
A new type of highly pathogenic avian influenza virus, H7N9, has been a great threat to public health since its 2013 outbreak. The humoral immune response plays a critical role in protection from the influenza virus, but its role and kinetics in H7N9-infected patients remain to be determined. In this study, we performed a retrospective investigation of the antibody response in plasma samples from 37 cases of hospitalized patients and analysed the relationship between the antibody response and the clinical outcomes...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066486/serum-uric-acid-levels-and-risk-of-incident-hypertriglyceridemia-a-longitudinal-population-based-epidemiological-study
#10
Rongjiong Zheng, Ping Ren, Qingmei Chen, Tianmeng Yang, Changxi Chen, Yushan Mao
BACKGROUND: Hypertriglyceridemia is one of lipid metabolism abnormalities; however, it is still debatable whether serum uric acid is a cause or a consequence of hypertriglyceridemia. We performed the study to investigate the longitudinal association between serum uric acid levels and hypertriglyceridemia. METHODS: The study included 4190 subjects without hypertriglyceridemia. The subjects had annual health examinations for 8 years to assess incident hyperglyceridemia, and the subjects were divided into groups based on the serum uric acid quartile...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066485/new-alert-message-settings-for-the-xn-series-automated-hematology-analyzer-are-useful-for-avoiding-falsely-high-wbc-counts-and-to-detect-specimens-with-giant-platelets
#11
Tohru Inaba, Bunta Shimomoto, Yoichi Yuki, Keita Okumura, Hiroshi Nishimura, Katsuhiro Koshino, Shuji Nobori, Atsushi Wada, Naohisa Fujita
We encountered blood specimens from a patient with MYH9 related diseases, which gave falsely high white blood cell (WBC) counts during laboratory analysis using Sysmex XN-series automated hematology analyzers. This overcount was revealed to be caused by the overlapping of platelet (PLT) distribution with the WBC area in the WNR channel, which was used for routine WBC count with the XN-series. On the other hand, the WBC count obtained through the WDF channel of the XN-series seemed more accurate in such a case...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066484/aminoguanidine-ag-induces-induced-both-pro-and-antioxidant-effect-in-ar42j-cells-a-rat-pancreatic-tumor-cell-line
#12
Parimal Chowdhury
Aminoguanidine (AG), a diamine oxidase and a nitric oxide synthase inhibitor, was used in diabetes, thyroid follicular carcinoma, hepatocellular carcinoma, pancreatic cancer xenografts and in breast cancer research. The effects of AG on these pathologic conditions may be related to its regulatory effects on cell proliferation, angiogenesis, and expression of antioxidant enzymes. However, its role as pro and/or anti-oxidant affecting signaling and function in pancreatic tumor cell lines has not been studied...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066483/aquaporin-4-blockage-by-sirna-protects-rat-articular-chondrocytes-from-il-1%C3%AE-induced-apoptosis-by-inhibiting-p38-mapk-signal-pathway
#13
Li Cai, Chao Lei, Rong Li, Wei-Na Chen, Chun-Mei Li
Accumulating evidence reveals that articular chondrocytes undergo increased apoptosis in rheumatoid arthritis (RA) and inhibiting chondrocyte apoptosis might be a promising therapeutic strategy. We recently found that aquaporin-4 (AQP4) protein level in the cartilage of rats with adjuvant-induced arthritis was higher than normal rats. Herein, cultured rat articular chondrocyte impaired by interleukin-1 beta (IL-1β) was used as an in vitro model of chondrocyte apoptosis. We observed the protective effect of AQP4 blockage by siRNA on IL-1β-induced chondrocyte apoptosis and explored the underlying mechanisms...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066482/the-effect-of-metformin-on-the-expression-of-gpr109a-nf-%C3%AE%C2%BAb-and-il-1%C3%AE-in-peripheral-blood-leukocytes-from-patients-with-type-2-diabetes-mellitus
#14
Xiaoling Xu, Shaoda Lin, Yongsong Chen, Xitao Li, Shuhua Ma, Yucai Fu, Chiju Wei, Chang Wang, Wencan Xu
OBJECTIVES: Type 2 Diabetes Mellitus (T2DM), which often accompanies dyslipidemia, is considered an inflammatory disease. GPR109A, as a niacin receptor, is up-regulated under high glucose concentration. Activation of GPR109A reduces GSIS and exerts anti-inflammatory effects by regulating NF-κB/IL-1β signaling. Metformin improves hyperglycemia, increases insulin sensitivity and attenuates the activation of the NF-κB pathway in T2DM. We aimed to examine whether metformin plays beneficial effects in T2DM by regulating the GPR109A signaling...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066481/acetylsalicylic-acid-during-leukapheresis-reduces-the-incidence-of-clotting-in-hematopoietic-progenitor-cell-products
#15
Soumya Pandey, Michele Cottler-Fox
INTRODUCTION: Clots may be seen during hematopoietic progenitor cell (HPC) collection or on product arrival to the cell therapy processing laboratory. We have always given one 81 mg acetylsalicylic acid (ASA) when clotting is seen during collection if there is no allergy, but hypothesized that the incidence of clotting would decrease if ASA was given to all autologous collectors with a platelet count of ≥80×10(9)/L prior to collection (pre-emptively). METHODS: Autologous HPC were collected using the Spectra Optia instrument or Cobe Spectra instrument (Terumo BCT(®), Lakewood, CO) with heparinized citrate...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066480/detection-of-the-single-nucleotide-polymorphism-at-position-rs2735940-in-the-human-telomerase-reverse-transcriptase-gene-by-the-introduction-of-a-new-restriction-enzyme-site-for-the-pcr-rflp-assay
#16
Sihua Wang, Mingcui Ding, Xiaoran Duan, Tuanwei Wang, Xiaolei Feng, Pengpeng Wang, Wu Yao, Yongjun Wu, Zhen Yan, Feifei Feng, Songcheng Yu, Wei Wang
It has been shown that the single nucleotide polymorphism (SNP) of the rs2735940 site in the human telomerase reverse transcriptase (hTERT) gene is associated with increased cancer risk. The traditional method to detect SNP genotypes is polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). However, there is a limitation to utilizing PCR-RFLP due to a lack of proper restriction enzyme sites at many polymorphic loci. This study used an improved PCR-RFLP method with a mismatched base for detection of the SNP rs2735940...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066479/eosinophil-cationic-protein-in-patients-with-differentiated-thyroid-cancer-treated-with-radioactive-iodine-131
#17
Snezana Zivancevic-Simonovic, Olgica Mihaljevic, Irena Kostic, Nevenka Ilic, Dusan Mihajlovic, Dragan Vasiljevic, Ljiljana Mijatovic-Teodorovic, Svetlana Miletic-Drakulic, Miodrag Colic
Published data indicate the involvement of eosinophil granulocytes and eosinophil cationic protein (ECP) in tumor defense. The aim of this study was to analyze serum ECP concentrations in patients with differentiated thyroid cancer (DTC) before, 3 days and 7 days after radioactive iodine (131-I) therapy. Association of ECP concentrations with histological type of tumor, stage of disease and/or levels of selected T-helper 2 (Th2) cytokines was examined. The study population included 17 DTC patients and 10 control subjects...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066478/re-evaluation-of-dna-index-as-a-prognostic-factor-in-children-with-precursor-b-cell-acute-lymphoblastic-leukemia
#18
O Kyu Noh, Se Jin Park, Hyeon Jin Park, HeeYoung Ju, Seung Hyon Han, Hyun Joo Jung, Jun Eun Park
PURPOSE: We aimed to investigate the prognostic value of DNA index (DI) in children with precursor B cell acute lymphoblastic lymphoma (pre-B ALL). MATERIALS AND METHODS: From January 2003 to December 2014, 72 children diagnosed with pre-B ALL were analyzed. We analyzed the prognostic value of DI and its relations with other prognostic factors. RESULTS: The DI cut-point of 1.16 did not discriminate significantly the groups between high and low survivals (DI≥1...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066477/carcinoma-in-situ-involving-sclerosing-adenosis-seeking-the-salient-histological-characteristics-to-prevent-overdiagnosis
#19
Xiaoyan Cui, Shi Wei
Ductal or lobular carcinoma in situ (DCIS/LCIS) can rarely arise from sclerosing adenosis (SA). The combination of cytologically malignant cells and the infiltrative growth pattern may make it challenging to distinguish it from an invasive carcinoma. The authors reviewed 50 consecutive cases of CIS involving SA to seek the salient histologic characteristics in order to prevent overdiagnosis. The features commonly seen with CIS were the lobular configuration at low magnification (94%), uninvolved SA in neighboring tissue (84%), at least focally identifiable myoepithelial cells on H&E-stained sections (76%), separate foci of unequivocal CIS (58%), associated microcalcifications (54%), and hyaline basement membrane surrounding tumor cell nests (48%)...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29066476/role-of-cdkn2c-fluorescence-in-situ-hybridization-in-the-management-of-medullary-thyroid-carcinoma
#20
Maha El Naofal, Adriel Kim, Hui Yi Yon, Mohamed Baity, Zhao Ming, Jacquelin Bui-Griffith, Zhenya Tang, Melissa Robinson, Elizabeth G Grubbs, Gilbert J Cote, Peter Hu
Medullary thyroid carcinoma (MTC), an aggressive form of thyroid cancer, occurs sporadically in approximately 75% of MTCs. RET and RAS mutations play a role in about 40% and 15%, respectively, of sporadic MTCs and are predominant drivers in MTC pathways. These mutations are some of the most comprehensively described and screened for in MTC patients; however, in recent studies, other mutations in the CDKN2C gene (p18) have been implicated in the tumorigenesis of MTC. Comparative genomic hybridization analysis revealed that approximately 40% of sporadic MTC samples have loss of CDKN2C at chromosome 1p32 in addition to frequent losses of CDKN2D (p19) at chromosome 19p13...
September 2017: Annals of Clinical and Laboratory Science
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