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Cancer biomarker

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https://www.readbyqxmd.com/read/29346783/does-2-pro-prostate-specific-antigen-meet-the-criteria-to-justify-its-inclusion-in-the-clinical-decision-making-process
#1
Angeles Sanchis-Bonet, Marta Barrionuevo-González, Ana Bajo-Chueca, Nelson Morales-Palacios, Manuel Sanchez-Chapado
INTRODUCTION: To assess whether [-2]pro-prostate-specific antigen (p2PSA) meets the criteria to justify its inclusion in a predictive model of prostate cancer (PCa) diagnosis and in the clinical decision-making process. MATERIALS AND METHODS: A total 172 men with total prostate-specific antigen of 2-10 ng/mL underwent measurement of free PSA and p2PSA before prostate biopsy in an observational and prospective study. From these measurements, the Prostate Health Index (PHI) was calculated...
January 18, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29346484/association-of-dietary-inflammatory-potential-with-colorectal-cancer-risk-in-men-and-women
#2
Fred K Tabung, Li Liu, Weike Wang, Teresa T Fung, Kana Wu, Stephanie A Smith-Warner, Yin Cao, Frank B Hu, Shuji Ogino, Charles S Fuchs, Edward L Giovannucci
Importance: Inflammation is important in colorectal cancer development. Diet modulates inflammation and may thus be a crucial modifiable factor in colorectal cancer prevention. Objective: To examine whether proinflammatory diets are associated with increased colorectal cancer risk by using an empirical dietary inflammatory pattern (EDIP) score based on a weighted sum of 18 food groups that characterizes dietary inflammatory potential based on circulating levels of inflammation biomarkers...
January 18, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29346214/validation-of-biomarkers-for-early-detection-of-pancreatic-cancer-summary-of-the-alliance-of-pancreatic-cancer-consortia-for-biomarkers-for-early-detection-workshop
#3
Matthew R Young, Paul D Wagner, Sharmistha Ghosh, Jo Ann Rinaudo, Stuart G Baker, Kenneth S Zaret, Michael Goggins, Sudhir Srivastava
Pancreatic cancer is the third leading cause of cancer death in the United States, and the 5-year relative survival for patients diagnosed with pancreatic cancer is less than 10%. Early intervention is the key to a better survival outcome. Currently, there are no biomarkers that can reliably detect pancreatic cancer at an early stage or identify precursors that are destined to progress to malignancy. The National Cancer Institute in partnership with the Kenner Family Research Fund and the Pancreatic Cancer Action Network convened a Data Jamboree on Biomarkers workshop on December 5, 2016, to discuss and evaluate existing or newly developed biomarkers and imaging methods for early detection of pancreatic cancer...
February 2018: Pancreas
https://www.readbyqxmd.com/read/29345982/development-of-a-trio-of-potential-biomarkers-for-cancer-prognosis
#4
Garth D Ehrlich
No abstract text is available yet for this article.
January 2018: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29345617/loss-of-functional-bap1-augments-sensitivity-to-trail-in-cancer-cells
#5
Krishna Kalyan Kolluri, Constantine Alifrangis, Neelam Kumar, Yuki Ishii, Stacey Price, Magali Michaut, Steven Williams, Syd Barthorpe, Howard Lightfoot, Sara Busacca, Annabel Sharkey, Zhenqiang Yuan, Elizabeth K Sage, Sabarinath Vallath, John Le Quesne, David A Tice, Doraid Alrifai, Sylvia von Karstedt, Antonella Montinaro, Naomi Guppy, David A Waller, Apostolos Nakas, Robert Good, Alan Holmes, Henning Walczak, Dean A Fennel, Mathew Garnett, Francesco Iorio, Lodewyk Wessels, Ultan McDermott, Samuel M Janes
Malignant mesothelioma (MM) is poorly responsive to systemic cytotoxic chemotherapy and invariably fatal. Here we describe a screen of 94 drugs in 15 exome-sequenced MM lines and the discovery of a subset defined by loss of function of the nuclear deubiquitinase BRCA associated protein-1 (BAP1) that demonstrate heightened sensitivity to TRAIL (tumour necrosis factor-related apoptosis-inducing ligand). This association is observed across human early passage MM cultures, mouse xenografts and human tumour explants...
January 18, 2018: ELife
https://www.readbyqxmd.com/read/29345430/wearable-wireless-tyrosinase-bandage-and-microneedle-sensors-toward-melanoma-screening
#6
Bianca Ciui, Aida Martin, Rupesh K Mishra, Barbara Brunetti, Tatsuo Nakagawa, Thomas J Dawkins, Mengjia Lyu, Cecilia Cristea, Robert Sandulescu, Joseph Wang
Wearable bendable bandage-based sensor and a minimally invasive microneedle biosensor are described toward rapid screening of skin melanoma. These wearable electrochemical sensors are capable of detecting the presence of the tyrosinase (TYR) enzyme cancer biomarker in the presence of its catechol substrate, immobilized on the transducer surface. In the presence of the surface TYR biomarker, the immobilized catechol is rapidly converted to benzoquinone that is detected amperometrically, with a current signal proportional to the TYR level...
January 18, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29345357/the-prognostic-value-of-pi3k-mutational-status-in-breast-cancer-a-meta-analysis
#7
N Sobhani, G Roviello, S P Corona, M Scaltriti, A Ianza, M Bortul, F Zanconati, D Generali
Breast cancer (BC) is the second most common cause of cancer-related deaths in women worldwide. The availability of reliable biomarkers of response/resistance to cancer treatments would benefit patients and clinicians allowing for a better selection of BC patients most likely to respond to a specific treatment. Phosphatidylinositol 3-kinase (PI3K) enzymes are involved in numerous cellular- functions and processes. The gene encoding for PI3K catalytic subunit p110α is mutated in 20-40% of BC. We performed a meta-analysis of the current literature on randomized clinical trials, investigating the role of PIK3CA mutational status as prognostic factor and predictor of response to anti-cancer treatments...
January 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29344894/systems-biology-approaches-in-cancer-pathology
#8
Aaron DeWard, Rebecca J Critchley-Thorne
The complex network of the tissue system, in both pre-neoplastic tissues and tumors, demonstrates the need for a systems biology approach to cancer pathology, in which quantification of key tissue system processes is combined with informatics tools to produce actionable scores to aid clinical decision-making. A systems biology approach to cancer pathology enables integration of key system features that are relevant to diagnoses, patient outcomes, and responses to therapies. Key tissue system features relevant to cancer pathology include molecular and morphologic abnormalities in epithelia, cellular changes in the stroma such as immune infiltrates, and relationships between components of the system, such as interactions and spatial relationships between epithelial and stromal components, and also between specific immune cell subsets...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344888/perseus-a-bioinformatics-platform-for-integrative-analysis-of-proteomics-data-in-cancer-research
#9
Stefka Tyanova, Juergen Cox
Mass spectrometry-based proteomics is a continuously growing field marked by technological and methodological improvements. Cancer proteomics is aimed at pursuing goals such as accurate diagnosis, patient stratification, and biomarker discovery, relying on the richness of information of quantitative proteome profiles. Translating these high-dimensional data into biological findings of clinical importance necessitates the use of robust and powerful computational tools and methods. In this chapter, we provide a detailed description of standard analysis steps for a clinical proteomics dataset performed in Perseus, a software for functional analysis of large-scale quantitative omics data...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344885/microrna-networks-in-breast-cancer-cells
#10
Andliena Tahiri, Miriam R Aure, Vessela N Kristensen
A variety of molecular techniques can be used in order to unravel the molecular composition of cells. In particular, the microarray technology has been used to identify novel biomarkers that may be useful in the diagnosis, prognosis, or treatment of cancer. The microarray technology is ideal for biomarker discovery as it allows for the screening of a large number of molecules at once. In this review, we focus on microRNAs (miRNAs) which are key molecules in cells and regulate gene expression post-transcriptionally...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344854/laser-microdissection-workflow-for-isolating-nucleic-acids-from-fixed-and-frozen-tissue-samples
#11
Yelena G Golubeva, Andrew C Warner
Laser Capture Microdissection has earned a permanent place among modern techniques connecting histology and molecular biology. Laser Capture Microdissection has become an invaluable tool in medical research as a means for collection of specific cell populations isolated from their environment. Such genomic sample enrichment dramatically increases the sensitivity and precision of downstream molecular assays used for biomarker discovery, monitoring disease onset and progression, and in the development of personalized medicine...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344805/salivary-biomarkers-for-oral-cancer-and-pre-cancer-screening-a-review
#12
REVIEW
J Kaur, R Jacobs, Y Huang, N Salvo, C Politis
OBJECTIVE: The objective of the study was to conduct a systematic review of the literature assessing potential salivary biomarkers of oral cancer and pre-cancer and discuss emerging issues and challenges in relation to oral cancer and pre-cancer diagnostics. MATERIALS AND METHODS: Search for articles involved the Medline, PubMed, and EMBASE. Specific terms were used from January 1995 to March 2017 by three experts. RESULTS: This search collected 270 articles, of which 105 articles such as reviews, case reports, news, letter to editor, etc...
January 17, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29344675/expression-and-prognostic-significance-of-trpv6-in-the-development-and-progression-of-pancreatic-cancer
#13
He Song, Ming Dong, Jianping Zhou, Weiwei Sheng, Xin Li, Wei Gao
In this study, we aimed to clarify the expression and biological functions of TRPV6 in human pancreatic cancer (PC) tissue and pancreatic cancer (PC) cell lines. TRPV6 was up-regulated in the primary cancer tissues from pancreatic cancer (PC) patients. TRPV6 may regulate multiple proteins related to apoptosis, cell cycle and metastasis pathways. Silencing TRPV6 significantly inhibited invasion, proliferation and migration and induced apoptosis and cell cycle arrest. TRPV6 plays a promising role of an oncogene in pancreatic carcinogenesis and represents the new potential biomarker for PC...
January 15, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29344557/in-colonic-%C3%AF-0-rho0-cells-reduced-mitochondrial-function-mediates-transcriptomic-alterations-associated-with-cancer
#14
Harrison M Penrose, Sandra Heller, Chloe Cable, Hani Nakhoul, Nate Ungerleider, Melody Baddoo, Zachary F Pursell, Erik K Flemington, Susan E Crawford, Suzana D Savkovic
Background: Mitochondrial reprogramming has emerged as a hallmark of cancer pathobiology. Although it is believed this reprogramming is essential for cancer cells to thrive, how it supports cancer pathobiology is unclear. We previously generated colonic ρ0 (rho0) cells with reduced mitochondrial energy function and acquired their transcriptional signature. Here, we utilized a bioinformatics approach to identify their changes linked to cancer pathobiology. Methods: Human colon cancer HCT116 cells, control and ρ0, were used for qPCR...
November 2017: Oncoscience
https://www.readbyqxmd.com/read/29344375/elevated-serum-levels-of-cardiovascular-biomarkers-are-associated-with-progression-of-renal-cancer
#15
Takao Kamai, Yuumi Tokura, Toshitaka Uematsu, Kazumasa Sakamoto, Issei Suzuki, Kohei Takei, Takahiro Narimatsu, Tsunehito Kambara, Hideo Yuki, Hironori Betsunoh, Hideyuki Abe, Yoshitatsu Fukabori, Masahiro Yashi, Ken-Ichiro Yoshida
Objective: Renal cell carcinoma (RCC) is a hypervascular tumour due to high constitutive production of vascular endothelial growth factor (VEGF), which is activated by hypoxia-inducible factor (HIF). Elevated levels of cardiovascular peptides, including brain natriuretic peptide (BNP), have been reported in patients with cancer, regardless of whether they have overt cardiovascular disease. Furthermore, it has been demonstrated that hypoxia stimulates BNP production by an HIF-dependent manner...
2018: Open Heart
https://www.readbyqxmd.com/read/29344361/platelet-protein-biomarker-panel-for-ovarian-cancer-diagnosis
#16
Marta Lomnytska, Rui Pinto, Susanne Becker, Ulla Engström, Sonja Gustafsson, Christina Björklund, Markus Templin, Jan Bergstrand, Lei Xu, Jerker Widengren, Elisabeth Epstein, Bo Franzén, Gert Auer
Background: Platelets support cancer growth and spread making platelet proteins candidates in the search for biomarkers. Methods: Two-dimensional (2D) gel electrophoresis, Partial Least Squares Discriminant Analysis (PLS-DA), Western blot, DigiWest. Results: PLS-DA of platelet protein expression in 2D gels suggested differences between the International Federation of Gynaecology and Obstetrics (FIGO) stages III-IV of ovarian cancer, compared to benign adnexal lesions with a sensitivity of 96% and a specificity of 88%...
2018: Biomarker Research
https://www.readbyqxmd.com/read/29344347/epigenetic-alterations-in-tramp-mice-epigenome-dna-methylation-profiling-using-medip-seq
#17
Wenji Li, Ying Huang, Davit Sargsyan, Tin Oo Khor, Yue Guo, Limin Shu, Anne Yuqing Yang, Chengyue Zhang, Ximena Paredes-Gonzalez, Michael Verzi, Ronald P Hart, Ah-Ng Kong
Purpose: We investigated the genomic DNA methylation profile of prostate cancer in transgenic adenocarcinoma of the mouse prostate (TRAMP) cancer model and to analyze the crosstalk among targeted genes and the related functional pathways. Methods: Prostate DNA samples from 24-week-old TRAMP and C57BL/6 male mice were isolated. The DNA methylation profiles were analyzed by methylated DNA immunoprecipitation (MeDIP) followed by next-generation sequencing (MeDIP-seq)...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29344346/characterization-and-selective-incorporation-of-small-non-coding-rnas-in-non-small-cell-lung-cancer-extracellular-vesicles
#18
Chuang Li, Fang Qin, Fen Hu, Hui Xu, Guihong Sun, Guang Han, Tao Wang, Mingxiong Guo
Background: Extracellular vesicles (EVs) play important roles in intercellular communication through the delivery of their cargoes, which include proteins, lipids, and RNAs. Increasingly, multiple studies have reported the association between EV small non-coding RNAs and cancer, due to their regulatory functions in gene expression. Hence, analysis of the features of small non-coding RNA expression and their incorporation into EVs is important for cancer research. Results: We performed deep sequencing to investigate the expression of small RNAs in plasma EVs from lung adenocarcinoma (ADC) patients, lung squamous cell carcinoma (SQCC) patients, and healthy controls...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29344287/role-of-mir-483-in-digestive-tract-cancers-from-basic-research-to-clinical-value
#19
REVIEW
Wei Zhou, Wanli Yang, Jiaojiao Ma, Hongwei Zhang, Zeng Li, Lei Zhang, Jinqiang Liu, Zhenyu Han, Hu Wang, Liu Hong
Digestive tract cancers (DTCs) is the most common malignant tumors in the world. Despite surgery and medical technology have witnessed the increasing development and sharp advancement in the past decade, DTCs remain a critical concern with high morbidity and mortality. Since a class of small noncoding RNAs termed miRNAs were identified several years ago, increasing studies have attempted to illustrate the relationship between the specific miRNAs dysregulated expression levels and the diseases phenotypic changes...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344281/keratin17-promotes-tumor-growth-and-is-associated-with-poor-prognosis-in-gastric-cancer
#20
Hao Hu, Dan-Hua Xu, Xiao-Xu Huang, Chun-Chao Zhu, Jia Xu, Zi-Zhen Zhang, Gang Zhao
Krt17 is a 48kDa protein member of keratin family. Previous literatures have demonstrated Krt17 may play a promotive role in the progression of various malignancies. However, the exact function of Krt17 in the carcinogenesis and the progression of gastric cancer (GC) remains unknown. In the present study, the expression of Krt17 in 20 fresh GC and matched normal tissues were detected and Krt17 was found to be significantly increased in GC tissues compared to normal tissues. And then the immunochemistry was performed to investigate the Krt17 expression in 569 GC tissue specimens, we found that the expression of Krt17 was remarkably positively correlated with the tumor size (P < 0...
2018: Journal of Cancer
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