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Cancer biomarker

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https://www.readbyqxmd.com/read/28931080/low-serum-level-of-mir-485-3p-predicts-poor-survival-in-patients-with-glioblastoma
#1
Zhi-Qiang Wang, Mei-Yin Zhang, Mei-Ling Deng, Nuo-Qing Weng, Hui-Yun Wang, Shao-Xiong Wu
MicroRNAs (miRNAs) are short noncoding RNAs that play critical roles in human malignancies and can be used as biomarkers for cancer. Until now, a number of biomarkers for prognosis of glioblastoma (GBM) have been reported in tumor tissues but only a few biomarkers in circulating fluid. Using a custom microarray, we previously identified 19 differentially expressed miRNAs in serum of patients with GBM. In this study, we investigated whether 3 of the 19 miRNAs in serum could be used as prognostic biomarkers for patients with GBM...
2017: PloS One
https://www.readbyqxmd.com/read/28931006/up-regulation-of-calreticulin-in-mouse-liver-tissues-after-long-term-irradiation-with-low-dose-rate-gamma-rays
#2
Lan Yi, Nan Hu, Jie Yin, Jing Sun, Hongxiang Mu, Keren Dai, Dexin Ding
The biological effects of low-dose or low-dose-rate ionizing radiation on normal tissues has attracted attention. Based on previous research, we observed the morphology of liver tissues of C57BL/6J mice that received <50, 50-500, and 500-1000 μGy/h of 137Cs radiation for 180 d. We found that the pathological changes in liver tissues were more obvious as the irradiation dose rates increased. Additionally, differential protein expression in liver tissues was analyzed using a proteomics approach. Compared with the matched group in the 2D gel analysis of the irradiated groups, 69 proteins had ≥ 1...
2017: PloS One
https://www.readbyqxmd.com/read/28930447/ultra-sensitive-quantitation-of-plasma-membrane-proteins-via-isrta
#3
Tao Gao, Bei Wang, Liu Shi, Xiaoli Zhu, Yang Xiang, Jun-Ichi Anzai, Genxi Li
Quantitation of plasma membrane proteins (PMPs) are fundamental and frequently performed in the daily lab-work. However, challenged by inherent/interacted hetero-structures and complex surroundings of the PMPs in lipid membrane, quantitative techniques for PMP often require complex treatments (e.g. labelling, isolation, purification, and determination), and the sensitivity is usually not satisfactory. To address the problem, we have proposed a novel method that enables quantitation of PMPs with extremely high sensitivity, in an easier-to-manipulate and more streamlined way...
September 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28930374/the-prognostic-significance-of-soluble-programmed-death-ligand-1-expression-in-cancers-a-systematic-review-and-meta-analysis
#4
REVIEW
Y Ding, C Sun, J Li, L Hu, M Li, J Liu, L Pu, S Xiong
The differential expression of soluble programmed death ligand 1 (sPD-L1) has been found in some cancers; however, the correlation between sPD-L1 expression and prognosis value in tumour is still unclear. Here, we conducted a meta-analysis and systematic review to assess the prognostic value of sPD-L1 in patients with cancer. Eligible studies were searched for in the databases including PubMed, Web of Science, ScienceDirect and Wiley Online Library database. The pooled hazard ratios (HRs) with a 95% confidence interval (95%CI) were calculated to assess the prognostic significance of sPD-L1 in human cancer...
August 21, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28930171/comprehensive-evaluation-of-tff3-promoter-hypomethylation-and-molecular-biomarker-potential-for-prostate-cancer-diagnosis-and-prognosis
#5
Maibritt Nørgaard, Christa Haldrup, Tine Maj Storebjerg, Else Marie Vestergaard, Peter J Wild, Søren Høyer, Michael Borre, Torben Falck Ørntoft, Karina Dalsgaard Sørensen
Overdiagnosis and overtreatment of clinically insignificant tumors remains a major problem in prostate cancer (PC) due to suboptimal diagnostic and prognostic tools. Thus, novel biomarkers are urgently needed. In this study, we investigated the biomarker potential of Trefoil factor 3 (TFF3) promoter methylation and RNA expression levels for PC. Initially, by quantitative methylation specific PCR (qMSP) analysis of a large radical prostatectomy (RP) cohort (n = 292), we found that the TFF3 promoter was significantly hypomethylated in PC compared to non-malignant (NM) prostate tissue samples (p < 0...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929971/medisyn-uncertainty-aware-visualization-of-multiple-biomedical-datasets-to-support-drug-treatment-selection
#6
Chen He, Luana Micallef, Zia-Ur-Rehman Tanoli, Samuel Kaski, Tero Aittokallio, Giulio Jacucci
BACKGROUND: Dispersed biomedical databases limit user exploration to generate structured knowledge. Linked Data unifies data structures and makes the dispersed data easy to search across resources, but it lacks supporting human cognition to achieve insights. In addition, potential errors in the data are difficult to detect in their free formats. Devising a visualization that synthesizes multiple sources in such a way that links between data sources are transparent, and uncertainties, such as data conflicts, are salient is challenging...
September 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28929814/what-s-new-in-the-diagnosis-of-pancreatic-cancer-a-patent-review-2011-present
#7
Houria Boulaiz, María C Ramos, Carmen Griñán-Lisón, Maria E García-Rubiño, Francisca Vicente, Juan Antonio Marchal
Pancreatic cancer (PC) is the fourth leading cause of cancer-related death in the US with a 5-year survival rate of about 5%. Most patients have advanced metastatic disease mainly due to the lack of an effective early detection, and an extremely poor prognosis. Advancing in the fight against PC requires developing novel observable biomarkers at preclinical stages for early detection. Areas covered: This manuscript is an overview of different PC diagnostic modalities and the latest innovations made to enhance early PC detection through the patents published from 2011 to 2017...
September 20, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28928973/prospective-replication-study-implicates-the-catechol-o-methyltransferase-val-158-met-polymorphism-as-a-biomarker-for-the-response-to-morphine-in-patients-with-cancer
#8
Hiromichi Matsuoka, Chihiro Makimura, Atsuko Koyama, Yoshihiko Fujita, Junji Tsurutani, Kiyohiro Sakai, Ryo Sakamoto, Kazuto Nishio, Kazuhiko Nakagawa
Genetic differences in humans cause clinical difficulties in opioid treatment. Previous studies indicate that a single nucleotide polymorphism in the catechol-O-methyltransferase (COMT) gene (rs4680; p.Val(158)Met) may present as a predictive biomarker for the response to morphine treatment. In our previous pilot exploratory study, patients with a G/G genotype were demonstrated to require a higher dose of morphine, compared with patients with A/A and A/G genotypes. In the present study, the aim was to replicate the findings in an independent cohort of opioid-treatment-naïve patients exhibiting various types of cancer...
October 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28928901/systematic-correlation-analyses-of-circulating-tumor-cells-with-clinical-variables-and-tumor-markers-in-lung-cancer-patients
#9
Xu Wang, Kewei Ma, Zhiguang Yang, Jiuwei Cui, Hua He, Andrew R Hoffman, Ji-Fan Hu, Wei Li
Measurement of circulating tumor cells (CTC) offers promise as a clinical biomarker to monitor disease status, therapeutic response, and progression in cancer patients. However, its clinical value in lung cancer patients has not been fully explored. We systematically evaluate the association of CTCs with clinical variables and tumor markers in a cohort of lung cancer patients. Using the CELLSEARCH System, CTCs were detected in both small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) patients prior to therapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928897/identification-of-nucleobindin-2-as-a-potential-biomarker-for-breast-cancer-metastasis-using-itraq-based-quantitative-proteomic-analysis
#10
Liang Zeng, Jingmin Zhong, Guangchun He, Fangjun Li, Jing Li, Wen Zhou, Wenbin Liu, Yun Zhang, Sanqian Huang, Zhihong Liu, Xiyun Deng
Metastasis is a lethal step in the progression of breast cancer. None of the metastasis-associated biomarkers identified up to now has a definite prognostic value in breast cancer patients. This study was designed to identify biomarkers for breast cancer metastasis and predictors of the prognosis of breast cancer patients. The differentially expressed proteins between 23 paired primary breast tumor and metastatic lymph nodes were identified by quantitative iTRAQ proteomic analysis. Immunohistochemistry was applied to locate and assess the expression of NUCB2 in paired primary breast tumor and metastatic lymph node tissues (n = 106)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928896/eukaryotic-translation-initiation-factor-3b-is-both-a-promising-prognostic-biomarker-and-a-potential-therapeutic-target-for-patients-with-clear-cell-renal-cell-carcinoma
#11
Yuanwei Zang, Xiang Zhang, Lei Yan, Gangli Gu, Dawei Li, Yongzhen Zhang, Liang Fang, Shanshan Fu, Juchao Ren, Zhonghua Xu
Eukaryotic translation initiation factors (eIFs) constitute a new class of therapeutic cancer targets. EIF3b is the major scaffold protein of eIF3 (the largest core of eIFs). We sought to define the role played by and the mechanism of action of eIF3b in patients with clear cell renal cell carcinoma (ccRCC). We found that high-level eIF3b expression in tumors was not only associated with an aggressive tumor phenotype, but was also independently prognostic for patients with ccRCC. Knockdown of eIF3b impaired the action of the Akt pathway, thus inhibiting cell proliferation by disrupting the cell cycle and triggering apoptosis...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928891/overexpression-of-lamc1-predicts-poor-prognosis-and-enhances-tumor-cell-invasion-and-migration-in-hepatocellular-carcinoma
#12
Yaojun Zhang, Shaoyan Xi, Jinbin Chen, Dongsheng Zhou, Hengjun Gao, Zhongguo Zhou, Li Xu, Minshan Chen
LAMC1 encodes an extracellular matrix protein, laminin γ1 chain, which is involved in several biological and pathological processes including tissue development, tumor cell invasion and metastasis. In present study, we demonstrated that both LAMC1 protein and mRNA levels were elevated in HCC tissue samples compared with non-cancerous tissue samples according to western blot analyses, immunohistochemistry (IHC) and microarray. Moreover, high LAMC1 expression was positively correlated with incomplete encapsulation (p=0...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928889/prognostic-significance-of-host-related-biomarkers-for-survival-in-patients-with-advanced-non-small-cell-lung-cancer
#13
Sookyung Lee, Wankyu Eo, Hyeonjin Jeon, Sora Park, Jean Chae
OBJECTIVE: This study identified host-related prognostic biomarkers for survival in patients with advanced non-small cell lung cancer (NSCLC). METHODS: This study was based on the retrospective review of the medical records of 135 patients with pathologically confirmed advanced NSCLC. The host-related biomarkers assessed in this study that reflected patient condition included hemoglobin (Hb) levels; platelet (PLT), neutrophil, lymphocyte, and monocyte counts; and ferritin concentrations...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928885/associations-of-epstein-barr-virus-dna-in-pbmcs-and-the-subtypes-with-breast-cancer-risk
#14
Wei Zhang, Min-Yi Wang, Xue-Ling Wei, Ying Lin, Feng-Xi Su, Xiao-Ming Xie, Lu-Ying Tang, Ze-Fang Ren
Objective: Epstein-Barr virus (EBV) has been found to be implicated in the development of breast cancer. The purpose of the present study was to identify the associations of EBV DNA and the subtypes in peripheral blood mononuclear cells (PBMCs) with the risk of breast cancer. Material and Methods: A case-control study with 671 breast cancer cases and 859 age-matched controls was conducted in Guangzhou, China. Face-to-face interviews were performed and blood samples were collected immediately after admission to the hospital for patients or after the interview for controls...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928874/ercc1_202-is-a-prognostic-biomarker-in-advanced-stage-non-small-cell-lung-cancer-patients-treated-with-platinum-based-chemotherapy
#15
Xiyong Wang, Xiaoli Zhu, Hongming Zhang, Xiaobo Fan, Xiulei Xue, Yan Chen, Chenbo Ding, Jianwen Zhao, Guoqiu Wu
Purpose: To develop a qPCR method to examine the 202 isoform of excision repair cross-complementation group 1 (ERCC1_202) and to evaluate its clinical utility as a predictive biomarker for platinum-based chemotherapy in non-small cell lung cancer (NSCLC). Methods: The relative complementary DNA (cDNA) quantification for ERCC1_202 was conducted using a fluorescence-based, real-time detection method and β-actin was used as a reference gene. Results: A strong correlation was observed between ERCC1_202 mRNA and ERCC1 mRNA levels in NSCLC cells (P < 0...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928872/prognostic-impact-of-abo-blood-group-on-type-i-endometrial-cancer-patients-results-from-our-own-and-other-studies
#16
Vincenzo Dario Mandato, Federica Torricelli, Valentina Mastrofilippo, Gino Ciarlini, Debora Pirillo, Enrico Farnetti, Loretta Fornaciari, Bruno Casali, Maria Carolina Gelli, Martino Abrate, Lorenzo Aguzzoli, Giovanni Battista La Sala, Davide Nicoli
Objectives: The ABO blood group antigens were found on most epithelial cells and in secretions. In the normal endometrium there is a variable expression of histo-blood group and related antigens suggesting a hormonal regulation. A relationship between ABO blood groups and endometrial cancer has been investigated with contradictory results. In this study we investigated the influence of blood types on clinical and pathological characteristics of endometrial cancer patients. Method: Retrospective cohort study...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928870/the-impact-of-microsatellite-instability-status-and-sidedness-of-the-primary-tumor-on-the-effect-of-cetuximab-containing-chemotherapy-in-patients-with-metastatic-colorectal-cancer
#17
Seung Tae Kim, Su-Jin Lee, Jeeyun Lee, Se Hoon Park, Joon Oh Park, Ho Yeong Lim, Won Ki Kang, Young Suk Park
Background: Colorectal cancer (CRC) has been reconsidered as a heterogeneous disease. Among advances of genomic analysis in CRC, the sidedness of tumors (left-sided colon vs. right-sided colon) and microsatellite instability (MSI)-high (H) tumors have been highlighted. Methods: We analyzed 153 CRC patients who were available for evaluation of MSI status and had been treated with cetuximab-containing chemotherapy between April 2008 and January 2013. KRAS mutational status was available in all 153 patients, but BRAF mutational status was only available in 72 patients (47...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928868/villi-specific-gene-expression-reveals-novel-prognostic-biomarkers-in-multiple-human-cancers
#18
Botao Zhang, Lin Feng, Honglin Guo, Hongxia Li, Yuanjing Wang, Kaitai Zhang, Xuexin Yu, Shujun Cheng
Despite many striking connections, the biological similarities between embryonic development and tumorigenesis have not been well explored. Development of the placental villi is a crucial process involving many cellular activities, including immunity, proliferation, and cell adhesion. In this study, we designed a strategy to identify the gene expression pattern of villi development and to explore the corresponding features in tumors. We discovered villi-specific genes that are highly expressed in the villus as opposed to the mature placenta and then measured the expression levels of these genes in tumors...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928864/high-immunoreactivity-of-duox2-is-associated-with-poor-response-to-preoperative-chemoradiation-therapy-and-worse-prognosis-in-rectal-cancers
#19
Shih-Chun Lin, I-Wei Chang, Pei-Ling Hsieh, Ching-Yih Lin, Ding-Ping Sun, Ming-Jen Sheu, Ching-Chieh Yang, Li-Ching Lin, Hong-Lin He, Yu-Feng Tian
Purpose: Colorectal cancer is the third most common cancer and also the fourth most common cause of cancer mortality worldwide. For rectal cancer, neoadjuvant concurrent chemoradiotherapy (CCRT) followed by radical proctectomy is gold standard treatment for patients with stage II/III rectal cancer. By data mining a documented database of rectal cancer transcriptome (GSE35452) from Gene Expression Omnibus, National Center of Biotechnology Information, we recognized that DUOX2 was the most significantly up-regulated transcript among those related to cytokine and chemokine mediated signaling pathway (GO:0019221)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928836/preoperative-serum-macrophage-activated-biomarkers-soluble-mannose-receptor-smr-and-soluble-haemoglobin-scavenger-receptor-scd163-as-novel-markers-for-the-diagnosis-and-prognosis-of-gastric-cancer
#20
Dongbing Ding, Yang Song, Yao Yao, Songbai Zhang
Soluble mannose receptor (sMR) and soluble haemoglobin scavenger receptor (sCD163) are macrophage activation markers which have previously been demonstrated to be increased in patients with inflammation, auto-immunity and malignancies. To investigate the clinical diagnostic and prognostic significance of preoperative serum sMR and sCD163, the present study investigated 143 gastric cancer (GC) patients, 66 subjects with benign gastric disease and 59 healthy controls, using an ELISA assay. Preoperative serum levels of sMR and sCD163 ranged from 0...
September 2017: Oncology Letters
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