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To screen the gene signature for distinguishing patients with high risks from those with low-risks for colon cancer recurrence and predicting their prognosis.Five microarray datasets of colon cancer samples were collected from Gene Expression Omnibus database and one was obtained from The Cancer Genome Atlas (TCGA). After preprocessing, data in GSE17537 were analyzed using the Linear Models for Microarray...
Although the mechanisms of apoptotic cell death have been well studied in the fruit fly, Drosophila melanogaster, it is unclear whether such mechanisms are conserved in other distantly related species. Using degenerate primers and PCR, we cloned a proapoptotic gene homologous to Head involution defective (Hid) from the Scuttle fly, Megaselia scalaris (MsHid). MsHid cDNA encodes a 197-amino acid-long...
Codon bias study in an organism gains significance in understanding the molecular mechanism as well as the functional conservation of gene expression during the course of evolution. The prime focus in this study is to compare the codon usage patterns among the four species belonging to the genus Bungarus (B. multicinctus, B. fasciatus, B. candidus and B. flaviceps) using several codon bias parameters...
Using gene-knockdown techniques, we searched for endogenous Ets family proteins involved in the regulation of Escherichia coli-dependent lebocin promoter activation in the E. coli-responsive silkworm cell line NIAS-Bm-aff3. Results showed that the gene knockdown of BmPointeds (BmPNTs), Drosophila Pointed orthologs, enhanced E. coli-dependent lebocin promoter activation, suggesting that endogenous...
The methylation of promoter CpG islands and the interaction between microRNAs (miRNAs) and messenger RNAs (mRNAs) of target genes are considered two crucial mechanisms for gene and pathway deregulation in malignant tumors. The aim of this study was to analyze the role of promoter methylation in altering the expression of 13 miRNAs that are associated with breast cancer (BC): miR-124, -125b, -127,...
Adenomyosis is a common benign gynecological condition in female reproductive tract and the detailed molecular etiology remains largely elusive. Previous studies implicated that deregulated expression of DNA (cytosine-5)-methyltransferase 3A (DNMT3A), a de novo DNA methyltransferase, might be involved in the pathogenesis of adenomyosis. Meanwhile, ectopic endometrial stromal cells (EESCs) were suggested...
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