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Biochemistry, Biophysics, and Structural Biology Commons

Open Access. Powered by Scholars. Published by Universities.®

Molecular Biology

Honors Theses

2017

SNAP-23

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Generation Of Mutant Snap-23 To Arrest Mast Cell Degranulation At Trans-Snare Complex Formation, Suzette Wafford-Turner May 2017

Generation Of Mutant Snap-23 To Arrest Mast Cell Degranulation At Trans-Snare Complex Formation, Suzette Wafford-Turner

Honors Theses

Regulated secretion of pro-inflammatory molecules (e.g, histamines, proteases) from mast cells plays critical roles in immunity, allergic reactions, cardiovascular disease and cancer. These molecules are stored in secretory granules inside the cell and are rapidly released into the extracellular environment when mast cells are activated. It is known that mast cell degranulation depends upon membrane anchored SNAREs (soluble N-ethylmaleidimide-sensitive factor attachment protein receptors) and accessory proteins that form the trans-SNARE complex, a 4 helical bundle central to exocytic fusion. There are three SNARE proteins that contribute to the 4-helical bundle during exocytosis; Syntaxin and VAMP proteins each provide one ...