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https://www.readbyqxmd.com/read/28346906/long-term-exposure-to-high-air-pollution-induces-cumulative-dna-damages-in-traffic-policemen
#1
Chaochao Tan, Shijie Lu, Yupeng Wang, Yan Zhu, Ting Shi, Mingyue Lin, Zhonghua Deng, Zhu Wang, Nana Song, Shuna Li, Pingting Yang, Liyan Yang, Yuanyuan Liu, Zhiheng Chen, Keqian Xu
The specific effects of long-term exposure to high air pollution on human health and biological remain unclear. To explore the adverse health effects as well as biological mechanisms and biomarkers for durative exposure to air pollution, 183 traffic policemen and 88 office policemen were enrolled in this study. The concentration of PM2.5 in both the traffic and office policemen's working environments were obtained. Detailed personal questionnaires were completed and levels of inflammation, oxidative stress and DNA damage markers of all participants were analyzed in this study...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28345451/the-impact-of-advanced-proteomics-in-the-search-for-markers-and-therapeutic-targets-of-bladder-cancer
#2
Hongshuo Zhang, Yue Fan, Lingling Xia, Chunhui Gao, Xin Tong, Hanfu Wang, Lili Sun, Tuo Ji, Mingyu Jin, Bing Gu, Bo Fan
Bladder cancer is the most common cancer of the urinary tract and can be avoided through proper surveillance and monitoring. Several genetic factors are known to contribute to the progression of bladder cancer, many of which produce molecules that serve as cancer biomarkers. Blood, urine, and tissue are commonly analyzed for the presence of biomarkers, which can be derived from either the nucleus or the mitochondria. Recent advances in proteomics have facilitated the high-throughput profiling of data generated from bladder cancer-related proteins or peptides in parallel with high sensitivity and specificity, providing a wealth of information for biomarker discovery and validation...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28344745/can-molecular-biomarkers-replace-a-clinical-risk-score-for-resectable-colorectal-liver-metastasis
#3
EDITORIAL
Torhild Veen, Kjetil Søreide
In resectable colorectal liver metastasis (CRLM) the role and use of molecular biomarkers is still controversial. Several biomarkers have been linked to clinical outcomes in CRLM, but none have so far become routine for clinical decision making. For several reasons, the clinical risk score appears to no longer hold the same predictive value. Some of the reasons include the ever expanding indications for liver resection, which now increasingly tend to involve extrahepatic disease, such as lung metastases (both resectable and non-resectable) and the shift in indication from "what is taken out" (e...
March 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28344541/olfm4-kng1-and-sec24c-identified-by-proteomics-and-immunohistochemistry-as-potential-markers-of-early-colorectal-cancer-stages
#4
Florence Quesada-Calvo, Charlotte Massot, Virginie Bertrand, Rémi Longuespée, Noëlla Blétard, Joan Somja, Gabriel Mazzucchelli, Nicolas Smargiasso, Dominique Baiwir, Marie-Claire De Pauw-Gillet, Philippe Delvenne, Michel Malaise, Carla Coimbra Marques, Marc Polus, Edwin De Pauw, Marie-Alice Meuwis, Edouard Louis
BACKGROUND: Despite recent advances in colorectal cancer (CRC) diagnosis and population screening programs, the identification of patients with preneoplastic lesions or with early CRC stages remains challenging and is important for reducing CRC incidence and increasing patient's survival. METHODS: We analysed 76 colorectal tissue samples originated from early CRC stages, normal or inflamed mucosa by label-free proteomics. The characterisation of three selected biomarker candidates was performed by immunohistochemistry on an independent set of precancerous and cancerous lesions harbouring increasing CRC stages...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28342988/an-anti-inflammatory-dietary-intervention-to-reduce-breast-cancer-recurrence-risk-study-design-and-baseline-data
#5
Amelie G Ramirez, Dorothy Long Parma, Edgar Muñoz, Kristin D Mendoza, Crystel Harb, Alan E C Holden, Michael Wargovich
U.S. breast cancer survivors (BCSs) are expected to increase to 4 million in the next 5-10years. Cancer recurrence risk is highest among obese survivors. Inflammatory (Pro-I) biomarkers including C-reactive protein (CRP), Interleukins -3, -6, and -8 (IL-3, IL-6, IL-8), and Tumor Necrosis Factor (TNF)-α have been associated with cancer recurrence risk. Nutritional interventions aimed at reducing inflammation (INF) may contribute to reduced cancer recurrence risk, but studies have been limited to animal models...
March 22, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28342983/lipid-quantification-by-raman-microspectroscopy-as-a-potential-biomarker-in-prostate-cancer
#6
Jordan O'Malley, Rahul Kumar, Andrey Kuzmin, Artem Pliss, Neelu Yadav, Srimmitha Balachandar, Jianmin Wang, Kristopher Attwood, Paras N Prasad, Dhyan Chandra
Metastatic castration recurrent prostate cancer (mCRPC) remains incurable and is one of the leading causes of cancer-related death among American men. Therefore, detection of prostate cancer (PCa) at early stages may reduce PCa-related mortality in men. We show that lipid quantification by vibrational Raman Microspectroscopy and Biomolecular Component Analysis may serve as a potential biomarker in PCa. Transcript levels of lipogenic genes including sterol regulatory element-binding protein-1 (SREBP-1) and its downstream effector fatty acid synthase (FASN), and rate-limiting enzyme acetyl CoA carboxylase (ACACA) were upregulated corresponding to both Gleason score and pathologic T stage in the PRAD TCGA cohort...
March 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28342449/a-systematic-review-and-meta-analysis-of-the-association-between-long-non-coding-rna-polymorphisms-and-cancer-risk
#7
REVIEW
Zhi Lv, Qian Xu, Yuan Yuan
It has been suggested that long non-coding RNA (lncRNA) gene polymorphisms are associated with cancer risk. In this article, we conducted a systematic review related to studies on the association between lncRNA single-nucleotide polymorphisms (SNPs) and the overall risk of cancer. A total 17 SNPs in four common lncRNA genes were included in the meta-analysis. In the lncRNA H19, the rs2735971 A/G, rs2839698C/T, and rs3024270 G/C polymorphisms, but not rs217727C/T, were correlated with overall cancer risk. The results also suggested that other SNPs were correlated with overall cancer risk, namely, two in HOTAIR (HOX transcript antisense RNA: rs920778C/T and rs7958904 G/C) and two in PRNCR1 (rs1016343C/T and rs16901946 A/G)...
January 2017: Mutation Research
https://www.readbyqxmd.com/read/28341746/leveraging-sequence-based-faecal-microbial-community-survey-data-to-identify-a-composite-biomarker-for-colorectal-cancer
#8
Manasi S Shah, Todd Z DeSantis, Thomas Weinmaier, Paul J McMurdie, Julia L Cope, Adam Altrichter, Jose-Miguel Yamal, Emily B Hollister
OBJECTIVE: Colorectal cancer (CRC) is the second leading cause of cancer-associated mortality in the USA. The faecal microbiome may provide non-invasive biomarkers of CRC and indicate transition in the adenoma-carcinoma sequence. Re-analysing raw sequence and metadata from several studies uniformly, we sought to identify a composite and generalisable microbial marker for CRC. DESIGN: Raw 16S rRNA gene sequence data sets from nine studies were processed with two pipelines, (1) QIIME closed reference (QIIME-CR) or (2) a strain-specific method herein termed SS-UP (Strain Select, UPARSE bioinformatics pipeline)...
March 24, 2017: Gut
https://www.readbyqxmd.com/read/28341124/tenascin-c-is-a-potential-cancer-associated-fibroblasts-marker-and-predicts-poor-prognosis-in-prostate-cancer
#9
Wei-Dong Ni, Zhao-Ting Yang, Chun-Ai Cui, Yan Cui, Long-Yun Fang, Yan-Hua Xuan
Tenascin-C (TNC), as a member of the extracellular matrix (ECM), plays an important role in cancer cell proliferation and migration and tumor invasion in various types of cancer. Here, we attempted to investigate the role of TNC as a prognostic factor in prostate cancer. We studied TNC expression via immunohistochemistry in 145 prostate cancer tissue samples. The clinicopathological relevance of TNC expression was examined, as well as other cancer-associated fibroblasts (CAFs)-related factors. Our results showed that the high levels of TNC expression in prostate cancer stroma was significantly associated with lymph node metastasis (P = 0...
March 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28339059/proteomic-based-identification-of-hsp70-as-a-tumor-associated-antigen-in-ovarian-cancer
#10
Xin-Xin Liu, Hua Ye, Peng Wang, Liu-Xia Li, Yi Zhang, Jian-Ying Zhang
Ovarian cancer commonly presents without prominent symptoms and is consequently diagnosed at advanced stages with unfavorable prognosis. Novel serological biomarkers for the early detection and clinical management of ovarian cancer are imminently needed. Proteomic-based methods for biomarker discovery are promising strategies implemented in cancer research. The aim of the present study was to identify new tumor antigens from the ovarian cancer cell line SKOV3 and their associated autoantibodies in sera of patients with ovarian cancer employing proteomic-based approaches...
March 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28338653/breast-ductal-carcinoma-in-situ-carry-mutational-driver-events-representative-of-invasive-breast-cancer
#11
Jia-Min B Pang, Peter Savas, Andrew P Fellowes, Gisela Mir Arnau, Tanjina Kader, Ravikiran Vedururu, Chelsee Hewitt, Elena A Takano, David J Byrne, David Yh Choong, Ewan Ka Millar, C Soon Lee, Sandra A O'Toole, Sunil R Lakhani, Margaret C Cummings, G Bruce Mann, Ian G Campbell, Alexander Dobrovic, Sherene Loi, Kylie L Gorringe, Stephen B Fox
The spectrum of genomic alterations in ductal carcinoma in situ (DCIS) is relatively unexplored, but is likely to provide useful insights into its biology, its progression to invasive carcinoma and the risk of recurrence. DCIS (n=20) with a range of phenotypes was assessed by massively parallel sequencing for mutations and copy number alterations and variants validated by Sanger sequencing. PIK3CA mutations were identified in 11/20 (55%), TP53 mutations in 6/20 (30%), and GATA3 mutations in 9/20 (45%). Screening an additional 91 cases for GATA3 mutations identified a final frequency of 27% (30/111), with a high proportion of missense variants (8/30)...
March 24, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28335760/midkine-is-a-potential-novel-marker-for-malignant-mesothelioma-with-different-prognostic-and-diagnostic-values-from-mesothelin
#12
Guntulu Ak, Yuji Tada, Hideaki Shimada, Selma Metintas, Masaaki Ito, Kenzo Hiroshima, Masatoshi Tagawa, Muzaffer Metintas
BACKGROUND: We evaluated possible diagnostic and prognostic values of serum midkine in malignant pleural mesothelioma in comparison with those of serum mesothelin, a well-established diagnostic biomarker. METHODS: Serum mesothelin and midkine levels were determined with an enzyme-linked immunosorbent assay. We examined specimens from 95 Turkish cases with malignant pleural mesothelioma, 56 metastatic cancers to pleura, 27 other types of benign pleural diseases and 20 benign asbestos pleurisy...
March 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28335509/novel-diagnostic-and-predictive-biomarkers-in-pancreatic-adenocarcinoma
#13
REVIEW
John C Chang, Madappa Kundranda
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease for a multitude of reasons including very late diagnosis. This in part is due to the lack of understanding of the biological behavior of PDAC and the ineffective screening for this disease. Significant efforts have been dedicated to finding the appropriate serum and imaging biomarkers to help early detection and predict response to treatment of PDAC. Carbohydrate antigen 19-9 (CA 19-9) has been the most validated serum marker and has the highest positive predictive value as a stand-alone marker...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28333845/changes-in-the-extracellular-matrix-are-associated-with-the-development-of-serous-tubal-intraepithelial-carcinoma-into-high-grade-serous-carcinoma
#14
Sophieke C H A van der Steen, Johan Bulten, Koen K Van de Vijver, Toin H van Kuppevelt, Leon F A G Massuger
OBJECTIVE: The identification of a marker for early progression of preinvasive lesions into invasive pelvic high-grade serous carcinoma (HGSC) may provide novel handles for innovative screening and prevention strategies. The interplay between cancer cells and the extracellular matrix (ECM) is one of the main principles in cancer development and growth, but has been largely neglected in preinvasive lesions. This is the first study addressing the involvement of the ECM in the "step-by-step" transition of normal fallopian tube epithelium into preinvasive lesions, and eventually the progression of preinvasive lesions into invasive HGSC...
March 23, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28333208/soluble-vcam-1-soluble-icam-1-ratio-is-a-promising-biomarker-for-diagnosing-endometriosis
#15
L Kuessel, R Wenzl, K Proestling, S Balendran, P Pateisky, Yotova, G Yerlikaya, B Streubel, H Husslein
STUDY QUESTION: Do cell adhesion molecules play a role in endometriosis, and can they be used as a biomarker for diagnosing endometriosis? SUMMARY ANSWER: Altered expression of vascular cell adhesion molecule-1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) in the endometrium and peritoneum may play a key role in endometriosis and the soluble VCAM-1/soluble ICAM-1 ratio is a promising biomarker. WHAT IS KNOWN ALREADY: Cell adhesion molecules are cell surface proteins that mediate cellular adherence, inflammatory and immune responses, and cancer-related biological processes...
February 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332580/clinical-impact-of-single-nucleotide-polymorphism-in-pd-l1-on-response-to-nivolumab-for-advanced-non-small-cell-lung-cancer-patients
#16
Takashi Nomizo, Hiroaki Ozasa, Takahiro Tsuji, Tomoko Funazo, Yuto Yasuda, Hironori Yoshida, Yoshitaka Yagi, Yuichi Sakamori, Hiroki Nagai, Toyohiro Hirai, Young Hak Kim
This study was intended to determine the efficacy of nivolumab, we evaluated treatment response with respect to PD-1/PD-L1 SNPs among patients with NSCLC. A total of 50 patients with NSCLC were treated with nivolumab and were also evaluated for PD-1/PD-L1 single nucleotide polymorphisms (SNPs) from plasma DNA. We investigated the association among PD-1/PD-L1 SNPs, objective response rate (ORR) and progression-free survival (PFS). Two of seven SNPs studied showed association with ORR and PFS, with maximum evidence at the marker rs2282055...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330128/over-expression-of-notch1-as-a-biomarker-for-invasive-breast-ductal-carcinoma
#17
Mahdi Paryan, Rezvan Tavakoli, Seyed Mohammad Ali Hosseini Rad, Neda Feizi, Fereshteh Kamani, Ehsan Mostafavi, Samira Mohammadi-Yeganeh
Breast cancer is the leading cause of cancer-related death in women worldwide. Invasive ductal carcinoma (IDC) is the most frequent invasive form of breast cancer followed by metastasis. There is no accepted marker for distinguishing this form from other less aggressive forms of breast cancer. Therefore, finding new markers especially molecularly detectable ones are noteworthy. It has been shown that NOTCH1 has been overexpressed in the patients with breast cancer, but no study has investigated the expression of NOTCH1 and its correlation with other molecular and hormonal markers of breast cancer so far...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328955/treatment-monitoring-in-metastatic-colorectal-cancer-patients-by-quantification-and-kras-genotyping-of-circulating-cell-free-dna
#18
Andreas W Berger, Daniel Schwerdel, Hanna Welz, Ralf Marienfeld, Stefan A Schmidt, Alexander Kleger, Thomas J Ettrich, Thomas Seufferlein
Treatment of metastatic colorectal cancer (CRC) has continuously improved over the last decade. However, disease monitoring remains underdeveloped and mostly dependent on imaging e.g. RECIST 1.1 criteria. The genetic landscape of individual cancers and subsequently occurring treatment-induced evolution remain neglected in current surveillance strategies. Novel biomarkers demand minimally invasive and repetitive tracking of the cancer mutagenome for therapy stratification and to make prognostic predictions. Carcinoembryonic antigen (CEA), a routinely used tumor marker for CRC, does not meet these goals and thus prevents its use as a reliable monitoring tool...
2017: PloS One
https://www.readbyqxmd.com/read/28328000/cdx2-prognostic-value-in-stage-ii-iii-resected-colon-cancer-is-related-to-cms-classification
#19
C Pilati, J Taieb, R Balogoun, L Marisa, A de Reyniès, P Laurent-Puig
Caudal-type homeobox transcription factor 2 (CDX2) is involved in colon cancer (CC) oncogenesis and has been proposed as a prognostic biomarker in patients with stage II or III CC. We analyzed CDX2 expression in a series of 469 CC typed for the new international consensus molecular subtype (CMS) classification, and we confirmed results in a series of 90 CC. Here, we show that lack of CDX2 expression is only present in the mesenchymal subgroup (CMS4) and in MSI-immune tumors (CMS1) and not in CMS2 and CMS3 colon cancer...
February 27, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28326835/polymorphisms-of-cancer-stem-cell-marker-gene-cd133-are-associated-with-susceptibility-and-prognosis-of-gastric-cancer
#20
Zhi-Fang Jia, Yan-Hua Wu, Dong-Hui Cao, Xue-Yuan Cao, Jing Jiang, Bao-Sen Zhou
AIM: This study was aimed to investigate the associations between single nucleotide polymorphisms of cancer stem cell marker genes, CD44 and CD133, and susceptibility and prognosis of gastric cancer. PATIENTS & METHODS: Five single nucleotide polymorphisms in CD44 and CD133 genes were genotyped in 898 gastric cancer cases and 992 controls. RESULTS: The A/C or C/C genotypes of CD133 rs2240688 were associated with decreased risk of gastric cancer comparing with the A/A genotype (odds ratio: 0...
February 24, 2017: Future Oncology
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