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Cytoskeletal Remodeling and Exocytosis During Mast Cell Activation is Controlled by the RhoA GEF, GEF-H1
DownloadFall 2021
Mast cells are tissue-resident immune cells that play important roles in health and diseases. Mast cells release their granule contents under antigen-stimulation via the FcεRI signaling pathway. The process of regulated exocytosis in mast cells is known as degranulation which participates in...
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Spring 2014
Rho GTPases act as molecular switches, occupying an active GTP or an inactive GDP-bound state. Rho1p, one member of the Rho family GTPases, has a role in the late stages of vacuole fusion through an unknown mechanism. We identified a ~50kDa Rho1p-interacting protein as Tef1p, a dual function...
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Investigating the Role of Cdc42 in the Production and Release of Pro-Inflammatory Mediators in Airway Epithelial Cells
DownloadFall 2024
Epithelial cells line the lung airways providing a protective physical and immunological barrier against inhaled particles and pathogens. Hence, airway epithelial cells express a variety of surface receptors that confer recognition of inhaled toxins, allergens and various pathogens. Receptor...
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Fall 2018
Mast cells (MCs) are tissue resident innate immune cells. They are recognized for their immunoregulatory roles in the regulation of innate and adaptive immunity. Aberrant activation and responses of MCs result in inflammatory disorders like allergies. Thus, the biological pathways that control MC...
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Spring 2012
Mast cells are tissue-resident immune cells that undergo exocytosis upon activation, releasing potent immunoregulatory molecules that initiate inflammatory responses. Here, I investigated the role of the hematopoietic specific Rho GTPase, Rac2, and the ubiquitous, Rac1, on mast cell exocytosis....