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125 results for “Expression Analysis”
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Research ArticleOpen accessIn the abstractP53 Gene: Mutation and Immunohistochemical Analysis in Patients with Invasive Ductal Carcinoma of BreastShinjini Singh, Sandeep Kumar Rajput, Mritunjai Singh et al.The p53 tumor suppressor gene is the most commonly mutated gene in cancer. In breast cancer, the presence of p53 gene alterations has been associated with worse prognosis. This study was attempted to associate p53 gene mutations with its protein expression in North Eastern Indian population. We used single-stranded conformation polymorphism to screen samples for mutations in five conserved regions, … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 4 · 20 Dec 2013 · 7,251 accessesView PDFCite
Research ArticleOpen accessIn the abstractIMMUNOHISTOCHEMICAL ANALYSIS OF UROTHELIAL BLADDER CANCERSKatarina Bevizova, Jan Jakubovsky, Jan Luha et al.Malignant cancers of urinary bladder are the second most common malignancy of the urinary tract and the fourth most common malignancy in general, especially in men. The aim of this study was a retrospective analysis of selected markers (p53, Ki-67 and E-cadherin) of urinary bladder cancers from the Department of Urology in Bratislava, Slovak Republic between years 2007 and 2009. … …OnLine Journal of Biological Sciences, Vol. 13, Issue 2 · 17 Jul 2013 · 7,374 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiochemical Alterations Induced by Amylin in Wistar RatsMohamed Mohamed Soliman, Zein Shaban IbrahimAmylin is a peptide hormone synthesized in β cells of pancreas together with insulin in response to glucose and nutrients. Amylin controls food intake and body weight but the exact mechanism is still unknown. This study aimed to examine the effects of amylin injection on hormones, metabolites and cytokines expression in rats. Wistar rats were injected amylin Intraperitoneally (IP) (10 … …American Journal of Pharmacology and Toxicology, Vol. 8, Issue 2 · 7 Jun 2013 · 6,771 accessesView PDFCite
Research ArticleOpen accessIn the abstractRegulation of Retinol Binding Protein 4 Expression and its Relation to Adipogenesis in Bovine AdipocytesMabrouk Ragab EL-Sabagh, Abd Eldaim Mabrouk AttiaAdipogenesis is of great importance in beef cattle. Recent findings indicate that glucose, a substrate for fatty acid biosynthesis and retinoic acid enhance adipogenesis in bovine intramuscular adipocytes. However, other recent findings indicate that Retinol-Binding Protein 4 (RBP4) interferes with glucose uptake and utilization by rodents’ adipocytes. In this study we examined the regulation of RBP4 expression and its relation … …American Journal of Biochemistry and Biotechnology, Vol. 8, Issue 3 · 20 Sep 2012 · 8,404 accessesView PDFCite
Research ArticleOpen accessIn the abstractA NAPIN PROMOTER ACTIVATES GENE EXPRESSION IN DEVELOPING SEEDS OF LESQUERELLA FENDLERIGrace Q. Chen, Jiann-Tsyh LinLesquerella fendleri produces industrial useful Hydroxy Fatty Acids (HFA) in seed oil. To improve oil and HFA of L. fendleri, it is desirable to use of seed-specific promoters to control the expression of target genes by genetic engineering. A seed-specific promoter fragment, -397 to -1 of a napin gene (PnapA) from Brassic napus was isolated by PCR and constructed to … …OnLine Journal of Biological Sciences, Vol. 12, Issue 3 · 18 Sep 2012 · 7,897 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Heirloom Tomato Polyphenol Extracts on Expression of Inflammation Genes in BovineKwaku Gyenai, Nona Mikiashvili, Hamid Ismail, Mulumebet WorkuThe effect of tomato on diseases of economic importance continues to be of broad interest. To evaluate these relationships, the effect of crude extracts of Cherokee purple tomato on pro-inflammatory genes and cytokines were evaluated. Neutrophils from three Holstein Fresian cows were treated with Phosphate Buffered Saline (PBS) or E. coli O111-B4 Lipopolysaccharide (LPS). Treated cells were exposed to different … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 3 · 25 Aug 2012 · 8,380 accessesView PDFCite
Research ArticleOpen accessIn the abstractTransformation of Lesquerella Fendleri with the New Binary Vector pGPro4-35SGrace Q. Chen, Roger Thilmony, Jiann-Tsyh LinProblem statement: Crop genetic engineering requires the use of various promoters to control the expression of introduced transgenes. Some of the binary vectors currently available for promoter characterization in dicotyledonous plants have pitfalls due to their construction, such as containing a selectable marker cassette with enhancer sequences that can potentially interfere with the expression specificity of nearby promoters. Also, many … …OnLine Journal of Biological Sciences, Vol. 11, Issue 3 · 19 Jan 2012 · 7,428 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Sequence Based Validation of Gene Expression Microarray DataGerhard G. Thallinger, Eva Obermayr, Pornpimol Charoentong et al.Problem statement: Quantitative Reverse Transcription PCR (RT-qPCR) is often used to validate microarray data. Previous studies show different levels of correlation, without further investigation of influencing factors. Approach: We compared expression levels of 381 genes obtained from microarray hybridizations and from TaqMan based RT-qPCR assays. Correlation of expression levels was determined by comparing: (i) single genes across samples, (ii) all … …Current Research in Bioinformatics, Vol. 1, Issue 1 · 19 Jan 2012 · 13,722 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Rough Set based Gene Expression Clustering AlgorithmJ. Jeba Emilyn, K. RamarProblem statement: Microarray technology helps in monitoring the expression levels of thousands of genes across collections of related samples. Approach: The main goal in the analysis of large and heterogeneous gene expression datasets was to identify groups of genes that get expressed in a set of experimental conditions. Results: Several clustering techniques have been proposed for identifying gene signatures and … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,833 accessesView PDFCite
Research ArticleOpen accessIn the abstractEarly Diagnosis of Breast Cancer using Molecular, Biochemical and Pathological MarkersSalah El-Din El-Assal, Adel A. El-Tarras, Samir M. Abd-allaProblem statement: Laboratory diagnosis of breast cancer in most of the hospitals has traditionally been performed using cell culture and the direct hormone receptor assay, which are money and time consuming. Approach: This study was performed in order to direct the attention toward increasing the efficiency of early diagnosis in clinical laboratories at the western region of KSA and Egypt … …American Journal of Applied Sciences, Vol. 8, Issue 1 · 31 Jan 2011 · 8,060 accessesView PDFCite