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Articles 1 - 4 of 4
Full-Text Articles in Genetics and Genomics
Tbx5 Is Required For Avian And Mammalian Epicardial Formation And Coronary Vasculogenesis., Nata Y Diman, Gabriel Brooks, Boudewijn P Kruithof, Olivier Elemento, Jonathan G Seidman, Christine Seidman, Craig T Basson, Cathy J. Hatcher
Tbx5 Is Required For Avian And Mammalian Epicardial Formation And Coronary Vasculogenesis., Nata Y Diman, Gabriel Brooks, Boudewijn P Kruithof, Olivier Elemento, Jonathan G Seidman, Christine Seidman, Craig T Basson, Cathy J. Hatcher
PCOM Scholarly Papers
Rationale: Holt-Oram syndrome (HOS) is an autosomal dominant heart-hand syndrome caused by mutations in the TBX5 gene. Overexpression of Tbx5 in the chick proepicardial organ (PEO) impaired coronary blood vessel formation. However, the potential activity of Tbx5 in the epicardium itself, and Tbx5's role in mammalian coronary vasculogenesis, remains largely unknown. Objective: To evaluate the consequences of altered Tbx5 gene dosage during PEO and epicardial development in the embryonic chick and mouse. Methods and Results: Retroviral-mediated knockdown or upregulation of Tbx5 expression in the embryonic chick PEO as well as proepicardial-specific deletion of Tbx5 in the embryonic mouse (Tbx5(epi-/-)) impaired …
Effect Of Heme Oxygenase-1 On Matrix Metalloproteinase-3 Expression In Human Fibroblasts, Theresa A. Stangl
Effect Of Heme Oxygenase-1 On Matrix Metalloproteinase-3 Expression In Human Fibroblasts, Theresa A. Stangl
PCOM Biomedical Studies Student Scholarship
Heme oxygenase-1(HO-1) is an enzyme that plays a very important role in the resolution of inflammation. HO-1-based therapies are effective in a number of disease conditions. However, HO-1 also increases tumor growth, angiogenesis, metastasis and chemoresistance. Matrix metalloproteinase-3 (MMP-3) is an enzyme involved in physiological and pathophysiological tissue remodeling. Unbalanced expression of MMPs is a key feature of connective tissue destruction in chronic inflammatory conditions. Previously shown in this laboratory, the HO-1 inducer, hemin, increased MMP-3 mRNA expression in some HGF cultures. To assess whether HO-1 and/or its products regulate expression of MMP-3 in human fibroblasts, the effect of HO-1 …
Egonet: Identification Of Human Disease Ego-Network Modules, Rendong Yang, Yun Bai, Zhaohui Qin, Tianwei Yu
Egonet: Identification Of Human Disease Ego-Network Modules, Rendong Yang, Yun Bai, Zhaohui Qin, Tianwei Yu
PCOM Scholarly Papers
Background: Mining novel biomarkers from gene expression profiles for accurate disease classification is challenging due to small sample size and high noise in gene expression measurements. Several studies have proposed integrated analyses of microarray data and protein-protein interaction (PPI) networks to find diagnostic subnetwork markers. However, the neighborhood relationship among network member genes has not been fully considered by those methods, leaving many potential gene markers unidentified. The main idea of this study is to take full advantage of the biological observation that genes associated with the same or similar diseases commonly reside in the same neighborhood of molecular networks.Results: …
Genome-Wide Sequencing Of Small Rnas Reveals A Tissue-Specific Loss Of Conserved Microrna Families In Echinococcus Granulosus, Yun Bai, Zhuangzhi Zhang, Lei Jin, Hui Kang, Yongquiang Zhu, Lu Zhang, Xia Li, Fengshou Ma, Li Zhao, Et Al.
Genome-Wide Sequencing Of Small Rnas Reveals A Tissue-Specific Loss Of Conserved Microrna Families In Echinococcus Granulosus, Yun Bai, Zhuangzhi Zhang, Lei Jin, Hui Kang, Yongquiang Zhu, Lu Zhang, Xia Li, Fengshou Ma, Li Zhao, Et Al.
PCOM Scholarly Papers
Background: MicroRNAs (miRNAs) are important post-transcriptional regulators which control growth and development in eukaryotes. The cestode Echinococcus granulosus has a complex life-cycle involving different development stages but the mechanisms underpinning this development, including the involvement of miRNAs, remain unknown. Results: Using Illumina next generation sequencing technology, we sequenced at the genome-wide level three small RNA populations from the adult, protoscolex and cyst membrane of E. granulosus. A total of 94 pre-miRNA candidates (coding 91 mature miRNAs and 39 miRNA stars) were in silico predicted. Through comparison of expression profiles, we found 42 mature miRNAs and 23 miRNA stars expressed with …