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Clinica Chimica Acta; International Journal of Clinical Chemistry

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https://www.readbyqxmd.com/read/28532786/fluxomic-evidence-for-impaired-contribution-of-short-chain-acyl-coa-dehydrogenase-to-mitochondrial-palmitate-%C3%AE-oxidation-in-symptomatic-patients-with-acads-gene-susceptibility-variants
#1
Anne-Frédérique Dessein, Monique Fontaine, Marie Joncquel Chevalier Curt, Gilbert Briand, Claire Sechter, Karine Mention-Mulliez, Dries Dobbelaere, Claire Douillard, Arnaud Lacour, Isabelle Redonnet-Vernhet, Delphine Lamireau, Magalie Barth, Marie-Christine Minot-Myhié, Alice Kuster, Pascale de Lonlay, Niels Gregersen, Cécile Acquaviva, Christine Vianey-Saban, Joseph Vamecq
BACKGROUND: Despite ACADS (acyl-CoA dehydrogenase, short-chain) gene susceptibility variants (c.511C>T and c.625G>A) are considered to be non-pathogenic, encoded proteins are known to exhibit altered kinetics. Whether or not, they might affect overall fatty acid β-oxidation still remains, however, unclear. METHODS: De novo biosynthesis of acylcarnitines by whole blood samples incubated with deuterated palmitate (16-(2)H3,15-(2)H2-palmitate) is suitable as a fluxomic exploration to distinguish between normal and disrupted β-oxidation, abnormal profiles and ratios of acylcarnitines with different chain-lengths being indicative of the site for enzymatic blockade...
May 19, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28532785/best-practice-in-the-measurement-and-interpretation-of-lysosomal-acid-lipase-in-dried-blood-spots-using-the-inhibitor-lalistat-2
#2
Zoltan Lukacs, Marianne Barr, John Hamilton
Lysosomal acid lipase deficiency (LAL-D) is an inherited, autosomal recessive lysosomal storage disorder characterized by progressive damage in multiple organ systems. Diagnosis is especially important in infants, in whom the course of disease is rapidly lethal without treatment. The recent regulatory approval of recombinant human lysosomal acid lipase (LAL), sebelipase alfa, merits rapid diagnosis in clinical routine, particularly in infants. A method for measuring LAL activity in dried blood spot (DBS) samples using the highly specific LAL inhibitor Lalistat 2 is available...
May 19, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28527658/dealing-with-pancreatic-cancer-in-two-different-ways
#3
LETTER
Marta Herreros-Villanueva
No abstract text is available yet for this article.
May 17, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526535/tnf-%C3%AE-is-superior-to-conventional-inflammatory-mediators-in-forecasting-ivig-nonresponse-and-coronary-arteritis-in-chinese-children-with-kawasaki-disease
#4
Peng Hu, Guang Mei Jiang, Yue Wu, Bao Yu Huang, Si Yan Liu, Dong Dong Zhang, Yao Xu, Yang Fang Wu, Xun Xia, Wei Wei, Bo Hu
BACKGROUND: Tumor necrosis factor (TNF) -α is of inflammatory cytokines produced chiefly by activated monocyte/macrophages, and has been implicated in the pathogenesis of Kawasaki disease (KD). We elucidated the relationship of plasma TNF-α with conventional inflammatory mediators, clinical classification, intravenous immunoglobulin (IVIG) response and coronary arteritis in the course of KD. METHODS: Seventy Chinese children with KD were enrolled and divided into 6 subgroups, including complete KD, incomplete KD, IVIG-responsive KD, IVIG-nonresponsive KD, coronary artery (CA) -noninvolvement KD and CA-involvement KD...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526534/3-methylglutaconic-aciduria-a-frequent-but-underrecognized-finding-in-carbamoyl-phosphate-synthetase-i-deficiency
#5
Dariusz Rokicki, Magdalena Pajdowska, Joanna Trubicka, Meow-Keong Thong, Elżbieta Ciara, Dorota Piekutowska-Abramczuk, Maciej Pronicki, Roman Sikora, Rijad Haidar, Mariusz Ołtarzewski, Ewa Jabłońska, Premala Muthukumarasamy, Pavai Sthaneswar, Chin-Seng Gan, Małgorzata Krajewska-Walasek, Rosalba Carrozzo, Daniela Verrigni, Michela Semeraro, Cristiano Rizzo, Roberta Taurisano, Bader Alhaddad, Reka Kovacs-Nagy, Tobias B Haack, Carlo Dionisi-Vici, Ewa Pronicka, Saskia B Wortmann
The urea cycle disorder carbamoyl phosphate synthetase I deficiency is an important differential diagnosis in the encephalopathic neonate. This intoxication type inborn error of metabolism often leads to neonatal death or severe and irreversible damage of the central nervous system, even despite appropriate treatment. Timely diagnosis is crucial, but can be difficult on routine metabolite level. Here, we report ten neonates from eight families (finally) diagnosed with CPS1 deficiency at three tertiary metabolic centres...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526533/serum-25-hydroxyvitamin-d-deficiency-predicts-long-term-poor-prognosis-among-ischemic-stroke-patients-without-hyperglycaemia
#6
Tian Xu, Chongke Zhong, Tan Xu, Yanbo Peng, Xiaoqing Bu, Chung-Shiuan Chen, Jinchao Wang, Zhong Ju, Qunwei Li, Deqin Geng, Yingxian Sun, Dongsheng Zhang, Jing Chen, Yonghong Zhang, Jiang He
BACKGROUND: It is unclear whether 25-hydroxyvitamin D [25(OH)D] has a protective effect on long-term prognosis of ischemic stroke and whether it is affected by blood glucose levels. We aim to examine the effect of serum vitamin D especially its deficiency on 1-year poor outcome of ischemic stroke patients in total patients and by blood glucose subgroups. METHODS: A total of 3041 ischemic patients from China Antihypertensive Trial in Acute Ischemic Stroke were included...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526532/significant-elevation-of-serum-caspase-3-levels-in-patients-with-intracerebral-hemorrhage
#7
De-Biao Sun, Meng-Jun Xu, Qing-Meng Chen, Hai-Tao Hu
BACKGROUND: Caspase-3 is a potential marker of apoptosis. We investigated whether serum caspase-3 concentrations were increased and its association with severity and prognosis after intracerebral hemorrhage (ICH). METHODS: This prospective clinical study recruited 112 ICH patients and 112 healthy individuals. Serum was assayed for caspase-3 using enzyme-linked immunosorbent assay. Stroke severity was quantified by National Institute of Health Stroke Scale (NIHSS) and hematoma volume...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526531/detection-of-high-serum-concentration-of-cxc-chemokine-ligand-12-in-acute-intracerebral-hemorrhage
#8
Jia Shen, Bin Chen, Guan-Rong Zheng, Shen-Zhong Qiu, Huai-Ming Yin, Wei Mao, Hong-Xiang Wang, Jian-Bo Gao
BACKGROUND: CXC chemokine ligand-12 (CXCL12), a member of the CXC chemokine subfamily, is involved in both focal angiogenesis and inflammatory reactions. We examined serum CXCL12 concentration in intracerebral hemorrhage (ICH) patients and its correlation to stroke severity and outcome. METHODS: The study was carried out on 105 ICH patients on 105 healthy controls. Serum samples were at admission obtained to measure CXCL12 concentrations. The National Institutes of Health Stroke Scale (NIHSS) and hematoma volume were recorded to assess stroke severity...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28522249/peripheral-differentials-by-cytodiff-flow-cytometric-system-predict-disease-activity-in-chinese-patients-with-inflammatory-bowel-disease
#9
Shulan Zhang, Ziyan Wu, Ji Li, Xiaoting Wen, Liubing Li, Chenxi Liu, Fengchun Zhang, Jiaming Qian, Yongzhe Li
BACKGROUND: This study aimed at evaluating whether leukocyte differentials could serve as effective biomarkers for disease activity in IBD. METHODS: A total of 100 subjects were prospectively enrolled, including 36 patients with CD, 34 patients with UC, and 30 healthy controls (HC). Leukocyte differentials were determined by CytoDiff Flow Cytometry analysis. RESULTS: Total neutrophil counts, monocyte/lymphocyte ratio (M/L), and CD16(-) monocyte/lymphocyte ratio (CD16(-) M/L) were significantly higher in active UC patients compared with quiescent UC patients and HC...
May 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28514697/lipoprotein-associated-phospholipase-a2-and-risks-of-coronary-heart-disease-and-ischemic-stroke-in-the-general-population-a-systematic-review-and-meta-analysis
#10
REVIEW
Dongze Li, Wei Wei, Xun Ran, Jing Yu, Hui Li, Lizhi Zhao, Honglian Zeng, Yu Cao, Zhi Zeng, Zhi Wan
BACKGROUND: This study investigated the associations between lipoprotein-associated phospholipase A2 (Lp-PLA2) and the risks of coronary heart disease (CHD) and ischemic stroke (IS) in the general population. METHODS: PubMed, Embase, and the Cochrane Library databases were searched for prospective cohort studies published prior to June 2016. Multivariate-adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) for CHD and IS risks according to Lp-PLA2 activity or mass were extracted, pooled, and weighted using random-effects modeling...
May 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28502560/a-microscale-protocol-for-the-isolation-of-transferrin-directly-from-serum
#11
Ana Penezić, Goran Miljuš, Bojana Milutinović, Olgica Nedić
A microscale procedure for the isolation of transferrin directly from human serum (hTf) is described in this study. The protocol is based on three precipitation steps without application of chromatography. It lasts 90min with the initial sample volume of 250μL. The yield of the isolated hTf is 58%, which is considerable in biochemical terms. The purity of the isolated hTf is 97%, as assessed by three methods: electrophoresis followed by protein staining, immunoblotting and HPLC. Immunoblotting with antibodies against other major serum proteins indicated that isolated hTf does not contain albumin, immunoglobulin G or alpha-2-macroglobulin...
May 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28502559/3-utr-snp-rs2229611-in-g6pc1-affects-mrna-stability-expression-and-glycogen-storage-disease-type-ia-risk
#12
Sellamuthu Karthi, Mohan Rajeshwari, Amirtharaj Francis, Matheshwaran Saravanan, Perumal Varalakshmi, Henry Houlden, Kumarasamy Thangaraj, Balasubramaniem Ashokkumar
The frequency of rs2229611, previously reported in Chinese, Caucasians, Japanese and Hispanics, was investigated for the first time in Indian ethnicity. We analyzed its role in the progression of Glycogen Storage Disease type-Ia (GSD-Ia) and breast cancer. Genotype data on rs2229611 revealed that the risk of GSD-Ia was higher (P=0.0195) with CC compared to TT/TC genotypes, whereas no such correlation was observed with breast cancer cases. We observed a strong linkage disequilibrium (LD) among rs2229611 and other disease causing G6PC1 variants (|D'|=1, r(2)=1)...
May 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28502558/identification-of-candidate-biomarkers-that-involved-in-the-epigenetic-transcriptional-regulation-for-detection-gastric-cancer-by-itraq-based-quantitative-proteomic-analysis
#13
Zhen Jiang, Xingwang Sun, Qiong Zhang, Xingli Ji, Qin Yu, Ting Huang, Daogang Chen, Hui Chen, Xiaohan Mei, Linyu Wang, Linyan He, Junhua Fang, Li Hou, Li Wang
BACKGROUND: The sensitivities and specificities of biomarkers for gastric cancer are insufficient for clinical detection, and new diagnostics are therefore urgently required. METHODS: A discovery set of gastric cancer tissues was labeled with iTRAQ reagents, separated using SCX chromatography, and identified using LC-ESI-MS/MS. A validation set of gastric cancer tissues was used to confirm the expression levels of potential markers. RESULTS: The present study detected metastasis-associated protein 2 (MTA2) and Histone deacetylases 1 (HDAC1) proteins that were overexpressed in gastric cancer tissues compared with that in adjacent gastric tissue...
May 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28502557/antecedents-and-early-correlates-of-high-and-low-concentrations-of-angiogenic-proteins-in-extremely-preterm-newborns
#14
Alan Leviton, Stanthia Ryan, Elizabeth N Allred, Raina N Fichorova, T Michael O'Shea, Karl Kuban, Olaf Dammann
BACKGROUND: To identify the antecedents and very early correlates of low concentrations of angiogenic proteins in the blood of extremely preterm newborns during the first postnatal month. METHODS: Using multiplex immunoassays we measured the concentrations of vascular endothelial growth factor A (VEGF), VEGF receptor-1 (VEGFR-1), VEGF receptor-2 (VEGFR-2), placenta growth factor (PIGF), and angiopoietins 1 and 2 (Ang-1, Ang-2), as well as 21 other proteins in blood spots collected on postnatal days 1 (N=1062), 7 (N=1087), 14 (N=989), 21 (N=940) and 28 (N=880) from infants born before the 28th week of gestation...
May 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28501389/differential-proteome-profile-in-ischemic-heart-disease-prognostic-value-in-chronic-angina-versus-myocardial-infarction-a-proof-of-concept
#15
Francesca Scebba, Massimo Papale, Silvia Rocchiccioli, Nadia Ucciferri, Federico Bigazzi, Tiziana Sampietro, Clara Carpeggiani, Antonio L'Abbate, Flavio Coceani, Debora Angeloni
The initial clinical manifestation of ischemic heart disease (IHD) i.e. unheralded myocardial infarction (MI) versus chronic angina pectoris (AP) is statistically associated with adverse or mild disease progression respectively in the long-term follow-up. Here, we subjected AP and MI patients to blood proteomic analysis by Surface-Enhanced Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (SELDI-TOF-MS) in order to investigate putative new prognostic biomarkers of IHD manifestation. We found several differentially expressed peaks but four of them (4176, 4475, 14,158m/z and 8922m/z for AP and MI, respectively) were most reliable...
May 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28501388/association-between-metabolic-syndrome-and-chronic-kidney-disease-in-a-chinese-urban-population
#16
Juan Chen, Xianglei Kong, Xiaoyan Jia, Wenbin Li, Zunsong Wang, Meiyu Cui, Dongmei Xu
BACKGROUND: Few studies have examined the relationships between the prevalence of chronic kidney disease (CKD) and the metabolic risk factors in a developing country such as China, where genetic and environmental backgrounds differ from those in Western countries. METHODS: The subjects of this cross-sectional study were the individuals from 18 to 92y. The metabolic syndrome (MetS) was defined based on the criteria of Adult Treatment Panel Third Report (ATP III), but using body mass index (BMI) instead of waist circumference...
May 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28499820/he4-expression-in-lung-cancer-a-meta-analysis
#17
REVIEW
Hai Zhong, Yingying Qian, Surong Fang, Linfei Yang, Lingzhi Li, Wei Gu
BACKGROUND: The prognostic role of Human epididymis protein 4 (HE4) expression in lung cancer remains controversial. We performed this meta-analysis to assess the prognostic value of HE4 expression in lung cancer. METHODS: A systematic literature search was conducted to identify eligible studies in PubMed, Embase and Wanfang databases. The pooled hazard ratios (HRs) and their 95% confidence intervals (CIs) were used to assess the relationship. RESULTS: A total of 1412 patients from 8 studies were included in this meta-analysis...
May 9, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28495148/analysis-of-urinary-psa-glycosylation-is-not-indicative-of-high-risk-prostate-cancer
#18
Sílvia Barrabés, Esther Llop, Montserrat Ferrer-Batallé, Manel Ramírez, Rosa N Aleixandre, Antoinette S Perry, Rafael de Llorens, Rosa Peracaula
The levels of core fucosylation and α2,3-linked sialic acid in serum Prostate Specific Antigen (PSA), using the lectins Pholiota squarrosa lectin (PhoSL) and Sambucus nigra agglutinin (SNA), can discriminate between Benign Prostatic Hyperplasia (BPH) and indolent prostate cancer (PCa) from aggressive PCa. In the present work we evaluated whether these glycosylation determinants could also be altered in urinary PSA obtained after digital rectal examination (DRE) and could also be useful for diagnosis determinations...
May 8, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28495147/discrepancies-between-two-immunoassays-for-the-determination-of-mpo-and-pr3-autoantibodies
#19
Qian Sun, Boris Calderon, Zhen Zhao
BACKGROUND: Testing for autoantibodies to myeloperoxidase (MPO) and proteinase 3 (PR3) is part of anti-neutrophil cytoplasmic antibodies (ANCA) test that aids the diagnosis of a number of autoimmune diseases including small-vessel vasculitis. We characterized the differences between two automated immunoassays at three facilities for measuring MPO- and PR3-ANCA autoantibodies. METHODS: 117 serum samples were analyzed for MPO and PR3 autoantibodies. The INOVA QUANTA Lite® IgG assay (INOVA Diagnostics) were performed at two facilities and the Bio-Plex® 2200 Vasculitis Panel (Bio-Rad) were performed at a third reference lab...
May 8, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28495388/recognizing-and-differentiating-uncommon-body-fluids-considerations-and-tools-for-a-proper-practical-approach
#20
REVIEW
Pim M W Janssens
Clinical laboratories are regularly requested to inspect uncommon body fluids obtained from patients because clinicians are uncertain as to the origin of the collected material. They may need this information for the actual diagnosis, to confirm a supposition, or for guiding treatment and invasive operations like draining and puncturing. Often there is also a need to know more precisely what is going on in the cavity that gave rise to the fluid, for instance a local infection or metastasis, or whether the cavity is connected to organs or fluid compartments nearby etcetera...
May 7, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
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