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Induction of mast cell apoptosis by a novel secretory granule-mediated pathway.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.ORCID iD: 0000-0002-6779-391x
2015 (English)In: Methods in Molecular Biology, ISSN 1064-3745, E-ISSN 1940-6029, Vol. 1220, p. 325-37Article in journal (Refereed) Published
Abstract [en]

Mast cells (MCs) have detrimental functions in the context of numerous pathologies, and regimens aimed at neutralizing MCs or individual MC products can thus be of therapeutic value. One way to target MCs in disease is to selectively induce MC apoptosis, but there is so far no agent available that selectively induces apoptosis in MCs. Mast cells are heavily loaded with secretory granules containing large amounts of fully active proteases bound to serglycin proteoglycan. Damage to the secretory granules will thus lead to the release of serglycin-protease complexes into the cytosol. A potential consequence of this would be that the unleashed granular proteases cause apoptosis by proteolytic activation of proapoptotic compounds located in the cytosol. Indeed, we have recently found that MCs are highly sensitive to apoptosis induced by permeabilization of the secretory granules. In this chapter, we describe the methods used to study MC apoptosis induced by this novel, secretory granule-mediated pathway.

Place, publisher, year, edition, pages
2015. Vol. 1220, p. 325-37
Identifiers
URN: urn:nbn:se:uu:diva-340998DOI: 10.1007/978-1-4939-1568-2_20PubMedID: 25388260OAI: oai:DiVA.org:uu-340998DiVA, id: diva2:1180462
Available from: 2018-02-05 Created: 2018-02-05 Last updated: 2018-02-05

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