نتایج جستجو برای: predictive biomarker
تعداد نتایج: 196512 فیلتر نتایج به سال:
cancer stem cells (csc) are the tumor-associated cells existed within tumors or hematological cancers which share characteristics similar to normal stem cells. the common characteristics of a normal stem cell and a csc are their differentiation capacity and self-renewal in tumors. the expression pattern of csc markers differs depending on the type and location of cancers. cd molecules are proba...
Toxicogenomics promises to aid in predicting adverse effects, understanding the mechanisms of drug action or toxicity, and uncovering unexpected or secondary pharmacology. However, modeling adverse effects using high dimensional and high noise genomic data is prone to over-fitting. Models constructed from such data sets often consist of a large number of genes with no obvious functional relevan...
Cell-free DNA in blood (cfDNA) represents a promising biomarker for cancer diagnosis. Total cfDNA concentration showed a scarce discriminatory power between patients and controls. A higher specificity in cancer diagnosis can be achieved by detecting tumor specific alterations in cfDNA, such as DNA integrity, genetic and epigenetic modifications.The aim of the present study was to identify a seq...
Background and Objective: Early detection of ectopic pregnancy is crucial in saving fertility. Some chemical biomarkers that can differentiate normal intra uterine pregnancy from ectopic pregnancy have been detected. This study was performed to determine the sensitivity and specificity of serum creatine phosphokinase(CPK) measurement for diagnosis of ectopic pregnancy. Materials and Methods: Th...
The role of cetuximab in the treatment of advanced non-small cell lung cancer (NSCLC) is currently unclear. The molecular target of cetuximab, epidermal growth factor receptor (EGFR), as measured by FISH, has shown potential as a predictive biomarker for cetuximab efficacy in NSCLC. SWOG S0819 is a phase III trial evaluating both the value of cetuximab in this setting and EGFR FISH as a predict...
Can Biomarker Assessment on Circulating Tumor Cells Help Direct Therapy in Metastatic Breast Cancer?
Circulating tumor cell (CTC) count has prognostic significance in metastatic breast cancer, but the predictive utility of CTCs is uncertain. Molecular studies on CTCs have often been limited by a low number of CTCs isolated from a high background of leukocytes. Improved enrichment techniques are now allowing molecular characterisation of single CTCs, whereby molecular markers on single CTCs may...
Omics profiling significantly expanded the molecular landscape describing clinical phenotypes. Association analysis resulted in first diagnostic and prognostic biomarker signatures entering clinical utility. However, utilizing Omics for deepening our understanding of disease pathophysiology, and further including specific interference with drug mechanism of action on a molecular process level s...
A panel of biomarkers may improve predictive performance over individual markers. Although many biomarker panels have been described for ovarian cancer, few studies used prediagnostic samples to assess the potential of the panels for early detection. We conducted a multisite systematic evaluation of biomarker panels using prediagnostic serum samples from the Prostate, Lung, Colorectal, and Ovar...
PURPOSE We sought to identify predictive biomarkers for a novel nicotinamide phosphoribosyltransferase (NAMPT) inhibitor. EXPERIMENTAL DESIGN We use a NAMPT inhibitor, GNE-617, to evaluate nicotinic acid rescue status in a panel of more than 400 cancer cell lines. Using correlative analysis and RNA interference (RNAi), we identify a specific biomarker for nicotinic acid rescue status. We next...
Background :Juvenile Idiopathic Arthritis (JIA) is one of the most common chronic rheumatic diseases in children with unknown etiology and pathogenesis. It also has no diagnostic test and its clinical diagnosis is made through ruling out other types of arthritis. The aim of this study was to evaluate the level of ADA (Adenosine Deaminase) in the serum of JIA patients and to compare it with th...
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