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10 results on '"Zhang, Geng"'

5. DPEP1 Inhibits Tumor Cell Invasiveness, Enhances Chemosensitivity and Predicts Clinical Outcome in Pancreatic Ductal Adenocarcinoma

Author

Zhang, Geng, primary, Schetter, Aaron, additional, He, Peijun, additional, Funamizu, Naotake, additional, Gaedcke, Jochen, additional, Ghadimi, B. Michael, additional, Ried, Thomas, additional, Hassan, Raffit, additional, Yfantis, Harris G., additional, Lee, Dong H., additional, Lacy, Curtis, additional, Maitra, Anirban, additional, Hanna, Nader, additional, Alexander, H. Richard, additional, and Hussain, S. Perwez, additional

Published
2012
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9. Effects of Body Fat on the Associations of High-Molecular-Weight Adiponectin, Leptin and Soluble Leptin Receptor with Metabolic Syndrome in Chinese

Author

Yu, Danxia, primary, Yu, Zhijie, additional, Sun, Qi, additional, Sun, Liang, additional, Li, Huaixing, additional, Song, Jun, additional, Mi, Ming, additional, Wu, Hongyu, additional, Lu, Ling, additional, Liu, Chen, additional, Zhang, Geng, additional, Hu, Frank B., additional, and Lin, Xu, additional

Published
2011
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10. Protective Effects of Mesenchymal Stem Cells with CXCR4 Up-Regulation in a Rat Renal Transplantation Model.

Author

Cao, Zhiqiang, Zhang, Geng, Wang, Fuli, Liu, Hongbao, Liu, Long, Han, Yaling, Zhang, Jian, and Yuan, Jianlin

Subjects
*MESENCHYMAL stem cells, *CXCR4 receptors, *LABORATORY rats, *KIDNEY transplantation, *TISSUE wounds, *ISCHEMIA, *REPERFUSION injury
Abstract

The homing of mesenchymal stem cells to injured tissue, which is important for the correction of conditions such as ischemia-reperfusion injury (IRI) and immunolesions, has been performed previously, but with poor efficiency. Substantial improvements in engraftment are required to derive clinical benefits from MSC transplantation. Chemokines are the most important factors that control cellular migration. Stromal derived factor-1 (SDF-1) is up-regulated during tissue/organ ischemia damage, and its cognate receptor, chemokine receptor 4 (CXCR4), is involved in stem cell migration. The aim of our study was to investigate CXCR4 expression in MSCs and to validate both its role in mediating migration to transplanted kidneys and its immunoregulatory effects in renal protection. Specifically, the present study was designed to investigate the short-term tissue homing of MSCs carrying genetically modified CXCR4 in a rat renal transplantation model. We tested the hypothesis that MSCs with CXCR4 over-expression can more efficiently regulate immunological reactions. Lentiviral vectors were used to over-express CXCR4 or to introduce a short hairpin ribonucleic acid (shRNA) construct targeting endogenous CXCR4 in rat MSCs. MSCs were labeled with enhanced green fluorescent protein (eGFP). After cell sorting, recipient kidneys were regionally perfused; recipient animals were injected with transduced MSCs, native MSCs, or PBS via tail vein following renal transplantation; and the effects of MSC injection were observed. [ABSTRACT FROM AUTHOR]

Published
2013
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