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Full-Text Articles in Medicine and Health Sciences

Mouse Hepatitis Virus Infection Upregulates Genes Involved In Innate Immune Responses., Dhriti Chatterjee, Sankar Addya, Reas S Khan, Lawrence C. Kenyon, Alexander Choe, Randall J Cohrs, Kenneth S Shindler, Jayasri Das Sarma Oct 2014

Mouse Hepatitis Virus Infection Upregulates Genes Involved In Innate Immune Responses., Dhriti Chatterjee, Sankar Addya, Reas S Khan, Lawrence C. Kenyon, Alexander Choe, Randall J Cohrs, Kenneth S Shindler, Jayasri Das Sarma

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Neurotropic recombinant strain of Mouse Hepatitis Virus, RSA59, induces meningo-encephalitis, myelitis and demyelination following intracranial inoculation. RSA59 induced neuropathology is partially caused by activation of CNS resident microglia, as demonstrated by changes in cellular morphology and increased expression of a microglia/macrophage specific calcium ion binding factor, Iba1. Affymetrix Microarray analysis for mRNA expression data reveals expression of inflammatory mediators that are known to be released by activated microglia. Microglia-specific cell surface molecules, including CD11b, CD74, CD52 and CD68, are significantly upregulated in contrast to CD4, CD8 and CD19. Protein analysis of spinal cord extracts taken from mice 6 days post-inoculation, …


Mir-143 Acts As A Tumor Suppressor By Targeting N-Ras And Enhances Temozolomide-Induced Apoptosis In Glioma., Lin Wang, Zhu-Mei Shi, Cheng-Fei Jiang, Xue Liu, Qiu-Dan Chen, Xu Qian, Dong-Mei Li, Xin Ge, Xie-Feng Wang, Ling-Zhi Liu, Yong-Ping You, Ning Liu, Bing-Hua Jiang Jul 2014

Mir-143 Acts As A Tumor Suppressor By Targeting N-Ras And Enhances Temozolomide-Induced Apoptosis In Glioma., Lin Wang, Zhu-Mei Shi, Cheng-Fei Jiang, Xue Liu, Qiu-Dan Chen, Xu Qian, Dong-Mei Li, Xin Ge, Xie-Feng Wang, Ling-Zhi Liu, Yong-Ping You, Ning Liu, Bing-Hua Jiang

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Therapeutic applications of microRNAs (miRNAs) in RAS-driven glioma were valuable, but their specific roles and functions have yet to be fully elucidated. Here, we firstly report that miR-143 directly targets the neuroblastoma RAS viral oncogene homolog (N-RAS) and functions as a tumor-suppressor in glioma. Overexpression of miR-143 decreased the expression of N-RAS, inhibited PI3K/AKT, MAPK/ERK signaling, and attenuated the accumulation of p65 in nucleus of glioma cells. In human clinical specimens, miR-143 was downregulated where an adverse with N-RAS expression was observed. Furthermore, overexpression of miR-143 decreased glioma cell migration, invasion, tube formation and slowed tumor growth and angiogenesis in …


Targeting Fibroblast Activation Protein In Tumor Stroma With Chimeric Antigen Receptor T Cells Can Inhibit Tumor Growth And Augment Host Immunity Without Severe Toxicity., Liang-Chuan S. Wang, Albert Lo, John Scholler, Jing Sun, Rajrupa S. Majumdar, Veena Kapoor, Michael Antzis, Cody E. Cotner, Laura A. Johnson, Amy C. Durham, Charalambos C. Solomides, Md, Carl H. June, Ellen Puré, Steven M. Albelda Feb 2014

Targeting Fibroblast Activation Protein In Tumor Stroma With Chimeric Antigen Receptor T Cells Can Inhibit Tumor Growth And Augment Host Immunity Without Severe Toxicity., Liang-Chuan S. Wang, Albert Lo, John Scholler, Jing Sun, Rajrupa S. Majumdar, Veena Kapoor, Michael Antzis, Cody E. Cotner, Laura A. Johnson, Amy C. Durham, Charalambos C. Solomides, Md, Carl H. June, Ellen Puré, Steven M. Albelda

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

The majority of chimeric antigen receptor (CAR) T-cell research has focused on attacking cancer cells. Here, we show that targeting the tumor-promoting, nontransformed stromal cells using CAR T cells may offer several advantages. We developed a retroviral CAR construct specific for the mouse fibroblast activation protein (FAP), comprising a single-chain Fv FAP [monoclonal antibody (mAb) 73.3] with the CD8α hinge and transmembrane regions, and the human CD3ζ and 4-1BB activation domains. The transduced muFAP-CAR mouse T cells secreted IFN-γ and killed FAP-expressing 3T3 target cells specifically. Adoptively transferred 73.3-FAP-CAR mouse T cells selectively reduced FAP(hi) stromal cells and inhibited the …


Network Analysis Of Circular Permutations In Multidomain Proteins Reveals Functional Linkages For Uncharacterized Proteins., Donald Adjeroh, Yue Jiang, Bing-Hua Jiang, Jie Lin Jan 2014

Network Analysis Of Circular Permutations In Multidomain Proteins Reveals Functional Linkages For Uncharacterized Proteins., Donald Adjeroh, Yue Jiang, Bing-Hua Jiang, Jie Lin

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Various studies have implicated different multidomain proteins in cancer. However, there has been little or no detailed study on the role of circular multidomain proteins in the general problem of cancer or on specific cancer types. This work represents an initial attempt at investigating the potential for predicting linkages between known cancer-associated proteins with uncharacterized or hypothetical multidomain proteins, based primarily on circular permutation (CP) relationships. First, we propose an efficient algorithm for rapid identification of both exact and approximate CPs in multidomain proteins. Using the circular relations identified, we construct networks between multidomain proteins, based on which we perform …


Insulin Regulates Glucose Consumption And Lactate Production Through Reactive Oxygen Species And Pyruvate Kinase M2., Qi Li, Xue Liu, Yu Yin, Ji-Tai Zheng, Cheng-Fei Jiang, Jing Wang, Hua Shen, Chong-Yong Li, Min Wang, Ling-Zhi Liu, Bing-Hua Jiang Jan 2014

Insulin Regulates Glucose Consumption And Lactate Production Through Reactive Oxygen Species And Pyruvate Kinase M2., Qi Li, Xue Liu, Yu Yin, Ji-Tai Zheng, Cheng-Fei Jiang, Jing Wang, Hua Shen, Chong-Yong Li, Min Wang, Ling-Zhi Liu, Bing-Hua Jiang

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Although insulin is known to regulate glucose metabolism and closely associate with liver cancer, the molecular mechanisms still remain to be elucidated. In this study, we attempt to understand the mechanism of insulin in promotion of liver cancer metabolism. We found that insulin increased pyruvate kinase M2 (PKM2) expression through reactive oxygen species (ROS) for regulating glucose consumption and lactate production, key process of glycolysis in hepatocellular carcinoma HepG2 and Bel7402 cells. Interestingly, insulin-induced ROS was found responsible for the suppression of miR-145 and miR-128, and forced expression of either miR-145 or miR-128 was sufficient to abolish insulin-induced PKM2 expression. …