Abstract
Programmed cell death (PCD) is at the center of immune responses, with different types of PCD occurring based on bodily conditions at a given moment. The main three types of PCD include pyroptosis, necroptosis, and apoptosis. Both pyroptosis and necroptosis induce an inflammatory response while apoptosis avoids eliciting an inflammatory reaction. Recently, pyroptosis has come to the forefront of immunology research due to tremendous potential that has been revealed surrounding the regulators of pyroptosis. In addition to previously known regulators of pyroptosis (ZBP1 and NLRP3 genes), a family of proteins called Gasdermin has been discovered. Specifically, Gasdermin D (GSDMD), when cleaved, participates in the onset of pyroptosis of inflammatory diseases. The N-terminal cleaved portion of the molecule causes cellular membrane openings releasing interleukin-18 and IL-1β, inducing pyroptosis. It is hypothesized that the inhibition of GSDMD using drugs such as Dimethyl Fumarate (DMF) and Disulfiram may halt the progression of certain inflammatory diseases including Multiple Sclerosis (MS), autoimmune encephalitis etc. While there is not yet a concrete treatment for pyroptic cell death in inflammatory disease using GSDMD inhibition, there is ample evidence to suggest that there may be success in future studies and therapeutic applications of GSDMD.
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N. Kolliputi laboratory was funded by the Joy McCann Culverhouse endowment to the Division of Allergy and Immunology.
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Bandharam, N., Lockey, R.F. & Kolliputi, N. Pyroptosis Inhibition in Disease Treatment: Opportunities and Challenges. Cell Biochem Biophys 81, 615–619 (2023). https://doi.org/10.1007/s12013-023-01181-w
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DOI: https://doi.org/10.1007/s12013-023-01181-w