ß1 integrins mediate tubule formation induced by supernatants derived from KSHV infected cells / by Ossie F. Dyson.

Author/creator Dyson, Ossie F. author.
Other author Akula, Shaw M., degree supervisor.
Other author East Carolina University. Department of Biology.
Format Theses and dissertations
Production2006.
Descriptionx, 70 leaves : illustrations (some color) ; 28 cm
Supplemental ContentAccess via ScholarShip
Subjects

Variant title Beta 1 integrins mediate tubule formation induced by supernatants derived from KSHV infected cells
Variant title Beta one integrins mediate tubule formation induced by supernatants derived from KSHV infected cells
Summary Angiogenesis is an extremely important process that supports physiological function as well as tumor formation and progression. The four known methods of angiogenesis are sprouting, intussusception, elongation, and incorporation of endothelial cells into endometrial vessels, of which the sprouting form is the most notable. Importantly, angiogenesis is one of the main characteristics of the unique cancers attributed to an infection by Kaposi's sarcoma-associated herpesvirus (KSHV). These cancers include Kaposi's sarcoma, primary effusion lymphoma, and the plasmablastic variant of multicentric Castleman disease. Infection by KSHV regulates angiogenesis via altering the expression of various growth factors. Alternatively, angiogenesis allows for the progression and spread of tumors induced by KSHV infection. Therefore, during KSHV pathogenesis, the angiogenesis process and KSHV infection are synergistic. The role of various signaling pathways and a select number of integrins in directing angiogenesis has previously been demonstrated. However, such signaling and expression of receptors in regulating angiogenesis with respect to KSHV pathogenesis is not fully understood. The current study deciphered the underlying mechanisms that regulate angiogenesis induced by the supernatant derived from KSHV infected cells. Herein, we identified that the PI3K-AKT-BRaf-MEK-ERK signaling-induced [beta] integrins play a crucial role in the angiogenesis process. These findings will aid in a greater understanding of tumor progression and contribute to the development of future cancer therapies.
General notePresented to the faculty of the Department of Biology.
General noteAdvisor: Shaw M. Akula
Dissertation noteM.S. East Carolina University 2006
Bibliography noteIncludes bibliographical references (leaves 42-52).
Genre/formAcademic theses.
Genre/formAcademic theses.
Genre/formThèses et écrits académiques.

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