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ROS-dependent S-palmitoylation activates cleaved and intact gasdermin D

Gasdermin D (GSDMD) is the common effector for cytokine secretion and pyroptosis downstream of inflammasome activation and was previously shown to form large transmembrane pores after cleavage by inflammatory caspases to generate the GSDMD N-terminal domain (GSDMD-NT) . Here we report that GSDMD Cys...

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Published in:Nature (London) 2024-06, Vol.630 (8016), p.437-4
Main Authors: Du, Gang, Healy, Liam B, David, Liron, Walker, Caitlin, El-Baba, Tarick J, Lutomski, Corinne A, Goh, Byoungsook, Gu, Bowen, Pi, Xiong, Devant, Pascal, Fontana, Pietro, Dong, Ying, Ma, Xiyu, Miao, Rui, Balasubramanian, Arumugam, Puthenveetil, Robbins, Banerjee, Anirban, Luo, Hongbo R, Kagan, Jonathan C, Oh, Sungwhan F, Robinson, Carol V, Lieberman, Judy, Wu, Hao
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cited_by cdi_FETCH-LOGICAL-c331t-7263f3bd46b19b7d0dac95cac5e1981dc2622c803beab395b884b5c78c93a79a3
cites cdi_FETCH-LOGICAL-c331t-7263f3bd46b19b7d0dac95cac5e1981dc2622c803beab395b884b5c78c93a79a3
container_end_page 4
container_issue 8016
container_start_page 437
container_title Nature (London)
container_volume 630
creator Du, Gang
Healy, Liam B
David, Liron
Walker, Caitlin
El-Baba, Tarick J
Lutomski, Corinne A
Goh, Byoungsook
Gu, Bowen
Pi, Xiong
Devant, Pascal
Fontana, Pietro
Dong, Ying
Ma, Xiyu
Miao, Rui
Balasubramanian, Arumugam
Puthenveetil, Robbins
Banerjee, Anirban
Luo, Hongbo R
Kagan, Jonathan C
Oh, Sungwhan F
Robinson, Carol V
Lieberman, Judy
Wu, Hao
description Gasdermin D (GSDMD) is the common effector for cytokine secretion and pyroptosis downstream of inflammasome activation and was previously shown to form large transmembrane pores after cleavage by inflammatory caspases to generate the GSDMD N-terminal domain (GSDMD-NT) . Here we report that GSDMD Cys191 is S-palmitoylated and that palmitoylation is required for pore formation. S-palmitoylation, which does not affect GSDMD cleavage, is augmented by mitochondria-generated reactive oxygen species (ROS). Cleavage-deficient GSDMD (D275A) is also palmitoylated after inflammasome stimulation or treatment with ROS activators and causes pyroptosis, although less efficiently than palmitoylated GSDMD-NT. Palmitoylated, but not unpalmitoylated, full-length GSDMD induces liposome leakage and forms a pore similar in structure to GSDMD-NT pores shown by cryogenic electron microscopy. ZDHHC5 and ZDHHC9 are the major palmitoyltransferases that mediate GSDMD palmitoylation, and their expression is upregulated by inflammasome activation and ROS. The other human gasdermins are also palmitoylated at their N termini. These data challenge the concept that cleavage is the only trigger for GSDMD activation. They suggest that reversible palmitoylation is a checkpoint for pore formation by both GSDMD-NT and intact GSDMD that functions as a general switch for the activation of this pore-forming family.
doi_str_mv 10.1038/s41586-024-07373-5
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identifier ISSN: 0028-0836
ispartof Nature (London), 2024-06, Vol.630 (8016), p.437-4
issn 0028-0836
1476-4687
1476-4687
language eng
recordid cdi_proquest_miscellaneous_3037398724
source Nature Journals
subjects Cell death
Cleavage
Electron microscopy
Inflammasomes
Inflammation
Localization
Microscopy
Palmitoylation
Polyethylene glycol
Pore formation
Pores
Pyroptosis
Reactive oxygen species
title ROS-dependent S-palmitoylation activates cleaved and intact gasdermin D
url http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-09-21T12%3A45%3A13IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=ROS-dependent%20S-palmitoylation%20activates%20cleaved%20and%20intact%20gasdermin%20D&rft.jtitle=Nature%20(London)&rft.au=Du,%20Gang&rft.date=2024-06-13&rft.volume=630&rft.issue=8016&rft.spage=437&rft.epage=4&rft.pages=437-4&rft.issn=0028-0836&rft.eissn=1476-4687&rft_id=info:doi/10.1038/s41586-024-07373-5&rft_dat=%3Cproquest_cross%3E3070032808%3C/proquest_cross%3E%3Cgrp_id%3Ecdi_FETCH-LOGICAL-c331t-7263f3bd46b19b7d0dac95cac5e1981dc2622c803beab395b884b5c78c93a79a3%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_pqid=3070032808&rft_id=info:pmid/38599239&rfr_iscdi=true