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Caspase-1 initiates apoptosis in the absence of gasdermin D

Open access
Tsuchiya, Kohsuke, Nakajima, Shinsuke, Hosojima, Shoko, Thi Nguyen, Dinh, Hattori, Tsuyoshi, Manh Le, Thuong, Hori, Osamu, Mahib, Mamunur Rashid, Yamaguchi, Yoshifumi, Miura, Masayuki, Kinoshita, Takeshi, Kushiyama, Hiroko, Sakurai, Mayumi, Shiroishi, Toshihiko, Suda, Takashi·2019·Nature Communications

Abstract

Caspase-1 activated in inflammasomes triggers a programmed necrosis called pyroptosis, which is mediated by gasdermin D (GSDMD). However, GSDMD-deficient cells are still susceptible to caspase-1-mediated cell death. Therefore, here, we investigate the mechanism of caspase-1-initiated cell death in GSDMD-deficient cells. Inflammasome stimuli induce apoptosis accompanied by caspase-3 activation in GSDMD-deficient macrophages, which largely relies on caspase-1. Chemical dimerization of caspase-1 induces pyroptosis in GSDMD-sufficient cells, but apoptosis in GSDMD-deficient cells. Caspase-1-induced apoptosis involves the Bid-caspase-9-caspase-3 axis, which can be followed by GSDME-dependent secondary necrosis/pyroptosis. However, Bid ablation does not completely abolish the cell death, suggesting the existence of an additional mechanism. Furthermore, cortical neurons and mast cells exhibit little or low GSDMD expression and undergo apoptosis after oxygen glucose deprivation and nigericin stimulation, respectively, in a caspase-1- and Bid-dependent manner. This study clarifies the molecular mechanism and biological roles of caspase-1-induced apoptosis in GSDMD-low/null cell types.

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Metadata

Authors
Tsuchiya, K., Nakajima, S., Hosojima, S., Thi Nguyen, D., Hattori, T., Manh Le, T., Hori, O., Mahib, M. R., Yamaguchi, Y., Miura, M., Kinoshita, T., Kushiyama, H., Sakurai, M., Shiroishi, T., & Suda, T.
Venue
Nature Communications
Published
2019-05-07
Volume
10
Issue
1
Pages
2091-2091
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2944565286
Cited by
495
References
14
FWCI
16.83
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Caspase-1 initiates apoptosis in the absence of gasdermin D. https://app.cochat.ai/papers/10.1038/s41467-019-09753-2
The paper
Tsuchiya, K., Nakajima, S., Hosojima, S., Thi Nguyen, D., Hattori, T., Manh Le, T., Hori, O., Mahib, M. R., Yamaguchi, Y., Miura, M., Kinoshita, T., Kushiyama, H., Sakurai, M., Shiroishi, T., & Suda, T. (2019). Caspase-1 initiates apoptosis in the absence of gasdermin D. Nature Communications. https://doi.org/10.1038/s41467-019-09753-2

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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