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Published on: May 2, 2012
The Mechanism of Pyroptosis and Its Application Prospect in Diabetic Wound Healing
Abdullah Al Mamun1,2, Chuxiao Shao1, Peiwu Geng1
1Central Laboratory of the Sixth Affiliated Hospital of Wenzhou Medical University, Lishui People's Hospital, Lishui City, Zhejiang, 323000, People's Republic of China.
Abstract:
Pyroptosis defines a form of pro-inflammatory-dependent programmed cell death triggered by gasdermin proteins, which creates cytoplasmic pores and promotes the activation and accumulation of immune cells by releasing several pro-inflammatory mediators and immunogenic substances upon cell rupture. Pyroptosis comprises canonical (mediated by Caspase-1) and non-canonical (mediated by Caspase-4/5/11) molecular signaling pathways. Numerous studies have explored the contributory roles of inflammasome and pyroptosis in the progression of multiple pathological conditions such as tumors, nerve injury, inflammatory diseases and metabolic disorders. Accumulating evidence indicates that the activation of the NOD-like receptor thermal protein domain associated protein 3 (NLRP3) inflammasome results in the activation of pyroptosis and inflammation. Current evidence suggests that pyroptosis-dependent cell death plays a progressive role in the development of diabetic complications including diabetic wound healing (DWH) and diabetic foot ulcers (DFUs). This review presents a brief overview of the molecular mechanisms underlying pyroptosis and addresses the current research on pyroptosis-dependent signaling pathways in the context of DWH. In this review, we also present some prospective therapeutic compounds/agents that can target pyroptotic signaling pathways, which may serve as new strategies for the effective treatment and management of diabetic wounds.
Insights
Pyroptosis, a programmed cell death, is implicated in diabetic complications like diabetic wound healing. Targeting pyroptosis pathways offers potential therapeutic strategies for managing diabetic wounds effectively.
Area of Science:
- Cell Biology
- Immunology
- Pathology
Background:
- Pyroptosis is a programmed cell death pathway involving gasdermin proteins, leading to inflammation.
- Canonical and non-canonical pathways mediate pyroptosis, involving caspases.
- Inflammasomes, particularly NLRP3, activate pyroptosis and inflammation.
Purpose of the Study:
- To review the molecular mechanisms of pyroptosis.
- To discuss pyroptosis's role in diabetic wound healing (DWH).
- To explore therapeutic agents targeting pyroptosis for DWH.
Main Methods:
- Literature review of pyroptosis mechanisms.
- Analysis of studies on pyroptosis in diabetic complications.
- Identification of potential therapeutic compounds targeting pyroptosis.
Main Results:
- Pyroptosis contributes to the progression of diabetic complications, including DWH and diabetic foot ulcers (DFUs).
- NLRP3 inflammasome activation is a key driver of pyroptosis and inflammation in these conditions.
- Targeting pyroptotic pathways shows promise for DWH treatment.
Conclusions:
- Pyroptosis plays a significant role in the pathogenesis of diabetic wound healing.
- Therapeutic strategies targeting pyroptosis signaling pathways are emerging for diabetic wound management.
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