What complex of proteins within the innate immune system mediates autoinflammatory syndromes?

Prepare for the ACAAI Board Exam. Utilize flashcards and comprehensive multiple-choice questions, equipped with hints and detailed explanations. Ace your allergy and clinical immunology exam efficiently.

The inflammasome is a multi-protein complex that plays a pivotal role in the innate immune response and is central to the development of various autoinflammatory syndromes. It functions as a sensor that detects pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs), leading to the activation of inflammatory processes. When these stimuli are recognized, the inflammasome facilitates the activation of caspases, which subsequently results in the maturation and secretion of pro-inflammatory cytokines, especially interleukin-1 beta (IL-1β) and interleukin-18 (IL-18).

This process is crucial in autoinflammatory syndromes, where excessive or misregulated inflammation occurs even in the absence of infection. Conditions classified under autoinflammatory syndromes often show aberrant inflammasome activation leading to chronic inflammation, fever, and tissue damage. Therefore, understanding the role of the inflammasome is essential for identifying the pathology of these syndromes and developing targeted therapies.

The other options provided do not specifically mediate autoinflammatory syndromes. Caspases are indeed involved in the inflammatory response but primarily act downstream of inflammasome activation. The NF-kB complex is critical for regulating gene expression in response to

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy