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Expression of VEGF, CXCR4, and CD133 in osteosarcoma
Garcia, Elka S.
Garcia, Elka S.
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2014-04-25
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Garcia, Elka S. 2014. Expression of VEGF, CXCR4, and CD133 in Osteosarcoma. -- In Proceedings: 10th Annual Symposium on Graduate Research and Scholarly Projects. Wichita, KS: Wichita State University, p. 22
Abstract
Osteosarcoma is the most common primary malignant bone tumor seen in orthopaedic practice. Despite intensive treatments of chemotherapy and surgical excision, the current five-year survival rate is only 60% to 78%. We are investigating the correlation of vascular endothelial growth factor (VEGF) expression with osteosarcoma growth and metastasis and trying to explore a therapeutic strategy by blocking VEGF. Recent studies have suggested that a subpopulation of cancer stem cells (CSCs) play a role in cancer survival and metastasis. The purpose of my project is to examine if regulating the function of VEGF can change the population of CSCs in osteosarcoma. Using polymerase chain reaction and immunocytochemistry techniques, we will examine the expression of VEGF, CXCR4 and cancer stem cell marker CD133 at transcriptional and post-translational levels among different VEGF-expressing osteosarcoma cells. We will examine the tumor cell growth patterns and compare the subpopulation ratio of CD133+ cells after VEGF blockage.
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Presented to the 10th Annual Symposium on Graduate Research and Scholarly Projects (GRASP) held at the Heskett Center, Wichita State University, April 25, 2014.
Research completed at the Department of Biological Sciences, College of Liberal Arts and Sciences
Research completed at the Department of Biological Sciences, College of Liberal Arts and Sciences
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Wichita State University. Graduate School
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GRASP
v.10
v.10