Inflammasomes are large protein complexes that play a critical role in sensing inflammatory signals and triggering the innate immune response. Each inflammasome consists of three main components: an upstream sensor molecule, an adapter protein (ASC), and a downstream effector protein such as caspase-1. Inflammasome formation typically occurs in response to infectious agents or cellular damage, leading to caspase-1 activation, pro-inflammatory cytokine secretion, and pyroptotic cell death. Aberrant inflammasome activation is linked to various diseases, including diabetes, cancer, and cardiovascular and neurodegenerative disorders. Recent research has focused on understanding the mechanisms regulating inflammasome assembly and activation, as well as exploring their potential as therapeutic targets. Clinical trials are currently evaluating inflammasome-targeting therapies for various diseases. Inflammasomes are composed of different sensor proteins, including NLRP1, NLRP3, NLRC4, and AIM2. Each has unique structural and functional characteristics. NLRP1 contains multiple isoforms with distinct domains, including PYD, NACHT, and CARD. NLRP3 has several isoforms with conserved domains, including PYD, FISNA, NATCH, and LRR_RI. NLRC4 contains a CARD domain and is involved in recognizing bacterial ligands. AIM2 is a PYHIN family member that recognizes cytosolic DNA. The activation of these inflammasomes involves complex interactions between sensor proteins, ASC, and caspase-1, leading to the secretion of pro-inflammatory cytokines and pyroptosis. The activation of inflammasomes can occur through canonical or non-canonical pathways. The canonical pathway involves the priming and activation steps, with stimuli such as PAMPs and DAMPs triggering the assembly of the inflammasome complex. The non-canonical pathway involves the activation of caspase-4, caspase-5, and caspase-11, which are involved in inflammatory disorders. The activation of the NLRP3 inflammasome is regulated by various factors, including ion flux, organelle dysfunction, and bacterial ligands. The activation of the NLRP1 inflammasome can be triggered by bacterial toxins, viral proteases, and double-stranded RNA. The NLRC4 inflammasome is activated by bacterial components, including flagellin, and requires the interaction with NAIP. The AIM2 inflammasome is activated by cytosolic DNA and plays a role in recognizing pathogens such as Francisella tularensis and Listeria monocytogenes. Inflammasomes are involved in various diseases, including metabolic, neurodegenerative, and inflammatory conditions. Understanding the structure and function of different inflammasomes is crucial for developing novel therapeutic strategies targeting these complexes. Research into the mechanisms ofInflammasomes are large protein complexes that play a critical role in sensing inflammatory signals and triggering the innate immune response. Each inflammasome consists of three main components: an upstream sensor molecule, an adapter protein (ASC), and a downstream effector protein such as caspase-1. Inflammasome formation typically occurs in response to infectious agents or cellular damage, leading to caspase-1 activation, pro-inflammatory cytokine secretion, and pyroptotic cell death. Aberrant inflammasome activation is linked to various diseases, including diabetes, cancer, and cardiovascular and neurodegenerative disorders. Recent research has focused on understanding the mechanisms regulating inflammasome assembly and activation, as well as exploring their potential as therapeutic targets. Clinical trials are currently evaluating inflammasome-targeting therapies for various diseases. Inflammasomes are composed of different sensor proteins, including NLRP1, NLRP3, NLRC4, and AIM2. Each has unique structural and functional characteristics. NLRP1 contains multiple isoforms with distinct domains, including PYD, NACHT, and CARD. NLRP3 has several isoforms with conserved domains, including PYD, FISNA, NATCH, and LRR_RI. NLRC4 contains a CARD domain and is involved in recognizing bacterial ligands. AIM2 is a PYHIN family member that recognizes cytosolic DNA. The activation of these inflammasomes involves complex interactions between sensor proteins, ASC, and caspase-1, leading to the secretion of pro-inflammatory cytokines and pyroptosis. The activation of inflammasomes can occur through canonical or non-canonical pathways. The canonical pathway involves the priming and activation steps, with stimuli such as PAMPs and DAMPs triggering the assembly of the inflammasome complex. The non-canonical pathway involves the activation of caspase-4, caspase-5, and caspase-11, which are involved in inflammatory disorders. The activation of the NLRP3 inflammasome is regulated by various factors, including ion flux, organelle dysfunction, and bacterial ligands. The activation of the NLRP1 inflammasome can be triggered by bacterial toxins, viral proteases, and double-stranded RNA. The NLRC4 inflammasome is activated by bacterial components, including flagellin, and requires the interaction with NAIP. The AIM2 inflammasome is activated by cytosolic DNA and plays a role in recognizing pathogens such as Francisella tularensis and Listeria monocytogenes. Inflammasomes are involved in various diseases, including metabolic, neurodegenerative, and inflammatory conditions. Understanding the structure and function of different inflammasomes is crucial for developing novel therapeutic strategies targeting these complexes. Research into the mechanisms of