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Full-Text Articles in Medicine and Health Sciences

Cd151 Reinforces Vascular Stability By Balancing Endothelial Cell Adhesion And Cytoskeletal Tension, Feng Zhang Dec 2010

Cd151 Reinforces Vascular Stability By Balancing Endothelial Cell Adhesion And Cytoskeletal Tension, Feng Zhang

Theses and Dissertations (ETD)

Tetraspanin CD151 is highly expressed in endothelial cells and regulates pathological angiogenesis. However, the mechanism by which CD151 promotes vascular morphogenesis and whether CD151 engages other vascular functions are unclear. We observed that CD151 is required for the maintenance of endothelial capillary-like structures formed in vitro and the integrity of lung endothelial cell-cell contacts in vivo. As a master regulator of endothelial cell-matrix and cell-cell adhesions, CD151 is needed for the optimal functions of various cell adhesion proteins such as integrin, cadherin, and CD44. The loss of CD151 elevates the cellular intrinsic contraction by upregulating RhoA signaling and downregulating of …


Identification Of The Causative Bacteria In Musculoskeletal Infections Using 16s Rdna - Denaturing Gradient Gel Electrophoresis Analysis, Karen Gomez Aug 2010

Identification Of The Causative Bacteria In Musculoskeletal Infections Using 16s Rdna - Denaturing Gradient Gel Electrophoresis Analysis, Karen Gomez

Dissertations & Theses (Open Access)

Musculoskeletal infections are infections of the bone and surrounding tissues. They are currently diagnosed based on culture analysis, which is the gold standard for pathogen identification. However, these clinical laboratory methods are frequently inadequate for the identification of the causative agents, because a large percentage (25-50%) of confirmed musculoskeletal infections are false negatives in which no pathogen is identified in culture. My data supports these results. The goal of this project was to use PCR amplification of a portion of the 16S rRNA gene to test an alternative approach for the identification of these pathogens and to assess the diversity …