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Disease Markers

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https://www.readbyqxmd.com/read/28074077/identification-of-gingival-crevicular-fluid-sampling-analytical-methods-and-oral-biomarkers-for-the-diagnosis-and-monitoring-of-periodontal-diseases-a-systematic-review
#1
REVIEW
Zeyad Nazar Majeed, Koshy Philip, A M Alabsi, Saravanan Pushparajan, Dasan Swaminathan
Background. Several studies in the last decades have focused on finding a precise method for the diagnosis of periodontal disease in its early stages. Aim. To evaluate from current scientific literature the most common and precise method for gingival crevicular fluid (GCF) sample collection, biomarker analytical methods, and the variability of biomarker quantification, even when using the same analytical technique. Methodology. An electronic search was conducted on in vivo studies that presented clinical data on techniques used for GCF collection and biomarker analysis...
2016: Disease Markers
https://www.readbyqxmd.com/read/28070138/the-prognostic-role-of-sirt1-autophagy-axis-in-gastric-cancer
#2
Guanglin Qiu, Xuqi Li, Chao Wei, Xiangming Che, Shicai He, Jing Lu, Shufeng Wang, Ke Pang, Lin Fan
Aim. Sirtuin 1 (SIRT1) can induce autophagy through deacetylation of Beclin-1 and other autophagy mediators. However, the relationship between SIRT1 and autophagy in GC has not been defined. Therefore, the aim of this study was to confirm the prognostic value of SIRT1 and Beclin-1 and their relationship in GC patients. Methods. Transmission electron microscopy (TEM) was performed to examine the autophagy in GC patients. Immunohistochemistry was used to examine the expression of SIRT1, Beclin-1 in GC, and adjacent nonneoplastic mucosa...
2016: Disease Markers
https://www.readbyqxmd.com/read/28070137/validation-of-an-lc-ms-ms-method-for-urinary-lactulose-and-mannitol-quantification-results-in-patients-with-irritable-bowel-syndrome
#3
Jacopo Gervasoni, Arcangelo Schiattarella, Valentina Giorgio, Aniello Primiano, Consuelo Russo, Valentina Tesori, Franco Scaldaferri, Andrea Urbani, Cecilia Zuppi, Silvia Persichilli
Aim. Lactulose/mannitol ratio is used to assess intestinal barrier function. Aim of this work was to develop a robust and rapid method for the analysis of lactulose and mannitol in urine by liquid chromatography coupled to tandem mass spectrometry. Lactulose/mannitol ratio has been measured in pediatric patients suffering from irritable bowel syndrome. Methods. Calibration curves and raffinose, used as internal standard, were prepared in water : acetonitrile 20 : 80. Fifty μL of urine sample was added to 450 μL of internal standard solution...
2016: Disease Markers
https://www.readbyqxmd.com/read/28050060/interleukin-6-174g-c-polymorphism-contributes-to-periodontitis-susceptibility-an-updated-meta-analysis-of-21-case-control-studies
#4
REVIEW
Junfei Zhu, Bin Guo, Min Fu, Wushuang Guo, Yifang Yuan, He Yuan, Suhan Zhang, Haiyang Yu
Introduction. Chronic Periodontitis (CP) is suggested to be related to gene variations. Present study aims to quantitatively estimate the association between interleukin-6- (IL-6-) 174G/C polymorphism and CP susceptibility. Materials and Methods. Pubmed, Embase, and Web of Science were searched up to May 2016. The meta-analyses were performed using STATA 12.0. Results. 21 studies were yielded. Significant associations were found under heterozygote comparison and dominant model in studies fulfilling HWE (GC versus GG: OR = 0...
2016: Disease Markers
https://www.readbyqxmd.com/read/28050059/is-urinary-ngal-determination-useful-for-monitoring-kidney-function-and-assessment-of-cardiovascular-disease-a-12-month-observation-of-patients-with-type-2-diabetes
#5
Agnieszka Żyłka, Agnieszka Gala-Błądzińska, Paulina Dumnicka, Piotr Ceranowicz, Marek Kuźniewski, Krzysztof Gil, Rafał Olszanecki, Beata Kuśnierz-Cabala
Background. Diabetic kidney disease (DKD) may start as glomerular or tubular damage. We assessed kidney function during one-year-long observation of patients with type 2 diabetes mellitus (T2DM) after initiation of nephroprotective treatment, with emphasis on the changes in urinary neutrophil gelatinase-associated lipocalin (uNGAL), and evaluated the association between tubular damage and cardiovascular complications of T2DM. Materials and Methods. Adult T2DM patients (55) were assessed initially and 30 patients after 1 year...
2016: Disease Markers
https://www.readbyqxmd.com/read/28044067/galectin-3-reflects-mitral-annular-plane-systolic-excursion-being-assessed-by-cardiovascular-magnetic-resonance-imaging
#6
Seung-Hyun Kim, Michael Behnes, Michele Natale, Julia Hoffmann, Nadine Reckord, Ursula Hoffmann, Johannes Budjan, Thomas Henzler, Theano Papavassiliu, Martin Borggrefe, Thomas Bertsch, Ibrahim Akin
Background. This study investigates whether serum levels of galectin-3 may reflect impaired mitral annular plane systolic excursion (MAPSE) in patients undergoing cardiac magnetic resonance imaging (cMRI). Methods. Patients undergoing cMRI during routine clinical care were included prospectively within an all-comers design. Blood samples for biomarker measurements were collected within 24 hours following cMRI. Statistical analyses were performed in all patients and in three subgroups according to MAPSE (MAPSE I: ≥11 mm, MAPSE II: ≥8 mm-<11 mm, and MAPSE III: <8 mm)...
2016: Disease Markers
https://www.readbyqxmd.com/read/28044066/the-markers-of-glutamate-metabolism-in-peripheral-blood-mononuclear-cells-and-neurological-complications-in-lung-cancer-patients
#7
Slawomir Michalak, Joanna Rybacka-Mossakowska, Wojciech Ambrosius, Joanna Gazdulska, Iwona Gołda-Gocka, Wojciech Kozubski, Rodryg Ramlau
Objective. To evaluate the involvement of glutamate metabolism in peripheral blood mononuclear cells (PBMC) in the development of neurological complications in lung cancer and during chemotherapy. Methods. The prospective study included 221 lung cancer patients treated with chemotherapeutics. Neurological status and cognitive functions were evaluated at baseline and after 6-month follow-up. Glutamate level, the activities of glutaminase- (GLS-) glutamate synthetizing enzyme, glutamate dehydrogenase (GDH), and glutamate decarboxylase catalyzing glutamate degradation were analyzed in PBMC and in sera of lung cancer patients by means of spectrophotometric and colorimetric methods...
2016: Disease Markers
https://www.readbyqxmd.com/read/28042196/platelets-mirna-as-a-prediction-marker-of-thrombotic-episodes
#8
REVIEW
Michal Bijak, Malgorzata Dzieciol, Joanna Rywaniak, Joanna Saluk, Marzenna Zielinska
The blood platelets are crucial for the coagulation physiology to maintain haemostatic balance and are involved in various pathologies such as atherosclerosis and thrombosis. The studies of recent years have shown that anucleated platelets are able to succeed protein synthesis. Additionally, mRNA translation in blood platelets is regulated by miRNA molecules. Recent works postulate the possibility of using miRNAs as biomarkers of atherosclerosis and ischemic episodes. This review article describes clinical studies that presented blood platelets miRNAs expression profile changes in different thrombotic states, which suggest use of these molecules as predictive biomarkers...
2016: Disease Markers
https://www.readbyqxmd.com/read/28018022/human-ribosomal-proteins-rpel27-rpel43-and-rpel41-are-upregulated-in-nasopharyngeal-carcinoma-cell-lines
#9
Edmund Ui-Hang Sim, Stella Li-Li Chan, Kher-Lee Ng, Choon-Weng Lee, Kumaran Narayanan
Apart from their canonical role in ribosome biogenesis, there is increasing evidence of ribosomal protein genes' involvement in various cancers. A previous study by us revealed significant differential expression of three ribosomal protein genes (RPeL27, RPeL41, and RPeL43) between cell lines derived from tumor and normal nasopharyngeal epithelium. However, the results therein were based on a semiquantitative assay, thus preliminary in nature. Herein, we provide findings of a deeper analysis of these three genes in the context to nasopharyngeal carcinoma (NPC) tumorigenesis...
2016: Disease Markers
https://www.readbyqxmd.com/read/28018021/exome-sequencing-identifies-compound-heterozygous-mutations-in-scn5a-associated-with-congenital-complete-heart-block-in-the-thai-population
#10
Chuphong Thongnak, Pornprot Limprasert, Duangkamol Tangviriyapaiboon, Suchaya Silvilairat, Apichaya Puangpetch, Ekawat Pasomsub, Chonlaphat Sukasem, Wasun Chantratita
Background. Congenital heart block is characterized by blockage of electrical impulses from the atrioventricular node (AV node) to the ventricles. This blockage can be caused by ion channel impairment that is the result of genetic variation. This study aimed to investigate the possible causative variants in a Thai family with complete heart block by using whole exome sequencing. Methods. Genomic DNA was collected from a family consisting of five family members in three generations in which one of three children in generation III had complete heart block...
2016: Disease Markers
https://www.readbyqxmd.com/read/27999450/association-between-vascular-endothelial-growth-factor-polymorphisms-and-age-related-macular-degeneration-an-updated-meta-analysis
#11
REVIEW
Martina Barchitta, Andrea Maugeri
Age-related macular degeneration (AMD) is the most common cause of blindness in elderly people worldwide and the major degenerative disease of the retina that leads to progressive impairment of central vision. Several polymorphisms in different genes have been proposed as factors that increase the disease susceptibility. The aim of the present study is to carry out a systematic review and an updated meta-analysis in order to summarize the current published studies and to evaluate the associations between four common vascular endothelial growth factor (VEGF) polymorphisms (rs833061, rs1413711, rs3025039, and rs2010963) and AMD risk, also stratifying for AMD subtypes and ethnicity...
2016: Disease Markers
https://www.readbyqxmd.com/read/27999449/the-ratio-of-hmox1-nrf2-mrna-level-in-the-tumor-tissue-is-a-predictor-of-distant-metastasis-in-colorectal-cancer
#12
Liang-Che Chang, Chung-Wei Fan, Wen-Ko Tseng, Hui-Ping Chein, Tsan-Yu Hsieh, Jim-Ray Chen, Cheng-Cheng Hwang, Chung-Ching Hua
Heme oxygenase 1 (Hmox1) plays an important role in the growth and spread of tumor, and its expression is regulated positively by Nrf2 [nuclear factor (erythroid-derived 2)-like 2; NFE2L2] and negatively by kelch-like ECH-associated protein 1 (Keap1) and by BTB and CNC homology 1 (Bach1). Both Hmox1 and Nrf2 contribute to distant metastasis of cancer. The mRNA levels of Hmox1, Nrf2, Keap1, and Bach1 in the tumor and normal tissues of 84 subjects with colorectal cancer (CRC) were determined by real-time polymerase chain reaction...
2016: Disease Markers
https://www.readbyqxmd.com/read/27999448/thrombosis-related-abo-f5-mthfr-and-fgg-gene-polymorphisms-in-morbidly-obese-patients
#13
Kristina Kupcinskiene, Martyna Murnikovaite, Greta Varkalaite, Simonas Juzenas, Darius Trepenaitis, Ruta Petereit, Almantas Maleckas, Juozas Kupcinskas, Andrius Macas
Objective. Obesity is a well-known risk factor for thrombotic complications. The aim of the present study was to determine the frequency of thrombosis related ABO, F5, MTHFR, and FGG gene polymorphisms in morbidly obese patients and compare them with the group of nonobese individuals. Methods. Gene polymorphisms were analyzed in 320 morbidly obese patients (BMI > 40 kg/m(2)) and 303 control individuals (BMI < 30 kg/m(2)) of European descent. ABO C>T (rs505922), F5 C>G (rs6427196), MTHFR C>T (rs1801133), and FGG C>T (rs6536024) SNPs were genotyped by RT-PCR...
2016: Disease Markers
https://www.readbyqxmd.com/read/27994288/plasma-cathepsin-s-and-cathepsin-s-cystatin-c-ratios-are-potential-biomarkers-for-copd
#14
Takahiro Nakajima, Hidetoshi Nakamura, Caroline A Owen, Shuichi Yoshida, Keishi Tsuduki, Shotaro Chubachi, Toru Shirahata, Shuko Mashimo, Miho Nakamura, Saeko Takahashi, Naoto Minematsu, Hiroki Tateno, Seitaro Fujishima, Koichiro Asano, Bartolome R Celli, Tomoko Betsuyaku
Purpose. This study aimed to examine whether plasma levels of cathepsin S or its inhibitor, cystatin C, may serve as biomarkers for COPD. Patients and Methods. We measured anthropometrics and performed pulmonary function tests and chest CT scans on 94 patients with COPD and 31 subjects with productive cough but no airflow obstruction ("at risk"; AR). In these subjects and in 52 healthy nonsmokers (NS) and 66 healthy smokers (HS) we measured plasma concentrations of cathepsin S and cystatin C using an ELISA...
2016: Disease Markers
https://www.readbyqxmd.com/read/27974864/comparative-lateralizing-ability-of-multimodality-mri-in-temporal-lobe-epilepsy
#15
Karabekir Ercan, Hediye Pinar Gunbey, Erhan Bilir, Elcin Zan, Halil Arslan
Purpose. The objective is to compare lateralizing ability of three quantitative MR (qMRI) modalities to depict changes of hippocampal architecture with clinical entities in temporal lobe epilepsy. Methods. We evaluated 14 patients with clinical and EEG proven diagnosis of unilateral TLE and 15 healthy volunteers. T1-weighted 3D dataset for volumetry, single-voxel (1)H MR spectroscopy (MRS), and diffusion tensor imaging (DTI) were performed for bilateral hippocampi of all subjects. Results. Individual volumetric measurements provided accurate lateralization in 85% of the patients, spectroscopy in 57%, and DTI in 57%...
2016: Disease Markers
https://www.readbyqxmd.com/read/27965521/lymphocyte-antigen-75-polymorphisms-are-associated-with-disease-susceptibility-and-phenotype-in-japanese-patients-with-inflammatory-bowel-disease
#16
Atsuhiro Hirayama, Satoru Joshita, Kei Kitahara, Kenji Mukawa, Tomoaki Suga, Takeji Umemura, Eiji Tanaka, Masao Ota
Recent genome-wide association studies have rapidly improved our understanding of the molecular pathways leading to inflammatory bowel disease (IBD), which includes Crohn's disease (CD) and ulcerative colitis (UC). Although several reports have demonstrated that gene single nucleotide polymorphisms (SNPs) are associated with susceptibility to IBD, its precise genetic factors have not been fully clarified. Here, we performed an association analysis between lymphocyte antigen 75 (LY75) genetic variations and IBD susceptibility or phenotype...
2016: Disease Markers
https://www.readbyqxmd.com/read/27965520/reassessing-the-role-of-the-active-tgf-%C3%AE-1-as-a-biomarker-in-systemic-sclerosis-association-of-serum-levels-with-clinical-manifestations
#17
Andréa Tavares Dantas, Sayonara Maria Calado Gonçalves, Anderson Rodrigues de Almeida, Rafaela Silva Guimarães Gonçalves, Maria Clara Pinheiro Duarte Sampaio, Kamila de Melo Vilar, Michelly Cristiny Pereira, Moacyr Jesus Barreto de Melo Rêgo, Ivan da Rocha Pitta, Claudia Diniz Lopes Marques, Angela Luzia Branco Pinto Duarte, Maira Galdino da Rocha Pitta
Objective. To determine active TGF-β1 (aTGF-β1) levels in serum, skin, and peripheral blood mononuclear cell (PBMC) culture supernatants and to understand their associations with clinical parameters in systemic sclerosis (SSc) patients. Methods. We evaluated serum samples from 56 SSc patients and 24 healthy controls (HC). In 20 SSc patients, we quantified spontaneous or anti-CD3/CD28 stimulated production of aTGF-β1 by PBMC. The aTGF-β1 levels were measured by ELISA. Skin biopsies were obtained from 13 SSc patients and six HC, and TGFB1 expression was analyzed by RT-PCR...
2016: Disease Markers
https://www.readbyqxmd.com/read/27965519/biomarkers-discovery-for-colorectal-cancer-a-review-on-tumor-endothelial-markers-as-perspective-candidates
#18
REVIEW
Łukasz Pietrzyk
Colorectal cancer (CRC) is the third most common cancer in the world. The early detection of CRC, during the promotion/progression stages, is an enormous challenge for a successful outcome and remains a fundamental problem in clinical approach. Despite the continuous advancement in diagnostic and therapeutic methods, there is a need for discovery of sensitive and specific, noninvasive biomarkers. Tumor endothelial markers (TEMs) are associated with tumor-specific angiogenesis and are potentially useful to discriminate between tumor and normal endothelium...
2016: Disease Markers
https://www.readbyqxmd.com/read/27956755/matrix-metalloproteinases-as-a-pleiotropic-biomarker-in-medicine-and-biology
#19
EDITORIAL
Jacek Kurzepa, Fatma M El-Demerdash, Massimiliano Castellazzi
No abstract text is available yet for this article.
2016: Disease Markers
https://www.readbyqxmd.com/read/27890964/association-of-the-mdm2-snp285-polymorphism-with-cancer-susceptibility-a-meta-analysis
#20
REVIEW
Ping Wang, Meilin Wang, Sanqiang Li, Lingjun Ma, Shoumin Xi, Jing He
The mouse double minute 2 (MDM2) gene encodes a negative regulator for p53, and the polymorphism SNP285 in the promoter region of MDM2 gene has been implicated in cancer risk, but individual published studies had inconclusive results. Therefore, we performed this meta-analysis to obtain a more precise estimation between MDM2 SNP285 polymorphism and risk of cancer. A systematic literature search was performed using the PubMed, Embase, and Chinese Biomedical (CBM) databases. Ultimately, 16 published studies comprising 14,573 cases and 9,115 controls were included...
2016: Disease Markers
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