The Multifaceted Role of Pyroptosis: Molecular Mechanisms, Crosstalk with Other Cell Death Pathways, and Therapeutic Implications
Diego Liviu Boaru , Patricia De Castro-Martinez , Cielo Garcia-Montero , Oscar Fraile-Martinez , Majd N. Michael Alhaddadin , Silvestra Barrena-Blázquez , Laura Lopez-Gonzalez , Clara Tasende Fernández , Ricardo Alvarado-Hurtado , Tomás Ratia Giménez , Inmaculada Lasa-Unzúe , Manuel Díez Alonso , Alberto Gutiérrez-Calvo , Miguel A. Saez , David Cobo-Prieto , Jose V. Saz , Melchor Alvarez-Mon , Raul Diaz-Pedrero , Miguel A. Ortega
MedComm ›› 2026, Vol. 7 ›› Issue (7) : e70844
Pyroptosis is a tightly regulated, proinflammatory form of programmed cell death defined by gasdermin-mediated membrane pore formation and cytokine release. By coupling cell death to innate immune activation, pyroptosis occupies a unique position at the interface of host defense and tissue pathology. Recent advances have demonstrated that pyroptosis is activated through multiple molecular routes, including canonical and noncanonical inflammasome pathways, Caspase-3/8–gasdermin axes, and granzyme-dependent mechanisms. Importantly, pyroptosis does not operate in isolation but engages in extensive crosstalk with other programmed cell death modalities, such as apoptosis, necroptosis, ferroptosis, NETosis, and the integrative process of PANoptosis, sharing key regulators including caspases, inflammasomes, and gasdermins. Despite rapid progress, a unified framework integrating pyroptosis-specific mechanisms with interaction networks, temporal dynamics, and disease relevance is still lacking. In this review, we systematically dissect the molecular pathways governing pyroptosis, emphasize its functional interplay with other cell death programs, and discuss emerging concepts such as cell-type specificity and sublytic versus lytic outcomes. We further examine the contribution of pyroptosis to cancer, infectious, autoimmune, metabolic, and cardiovascular diseases, and critically evaluate therapeutic strategies aimed at either inhibiting excessive pyroptosis or exploiting it for immunogenic cell death. Collectively, this review offers a perspective-enhancing, mechanistic, and translational significance.
apoptosis / cancer / extracellular vesicles / nanoparticles / PANoptosis / pyroptosis
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2026 The Author(s). MedComm published by Sichuan International Medical Exchange & Promotion Association (SCIMEA) and John Wiley & Sons Australia, Ltd.
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