The review describes the NLRP1 inflammasome as a cytoplasmic inflammatory complex and the predominant inflammasome sensor in human keratinocytes. Its activation regulates IL-1β and IL-18 processing and can induce pyroptosis.
First-pass extracted concept
NLRP1 inflammasome
Aliases
NLRP1, nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-1 inflammasome
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Evidence Snippets
There are various types of inflammasome complexes, with the NLRP1 (nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-1) inflammasome being the first one identified and currently recognized as the predominant inflammasome sensor protein in human keratinocytes.
Supporting Sources
Linked Claims
Human NLRP1 can be activated by viruses, ultraviolet B radiation, and ribotoxic stress responses.
Dysfunctions in the NLRP1 pathway have been implicated in vitiligo, psoriasis, atopic dermatitis, and skin cancer including squamous cell carcinoma, melanoma, and Kaposi sarcoma.
Emerging evidence implicates NLRP1 in systemic lupus erythematosus, pemphigus vulgaris, Addison disease, Papillon-Lefèvre syndrome, and leprosy.
Specific mutations in NLRP1 or related genes are associated with rare monogenic skin disorders including multiple self-healing palmoplantar carcinoma, familial keratosis lichenoides chronica, autoinflammation with arthritis and dyskeratosis, and dipeptidyl peptidase 9 deficiency.
Inflammasome activation directly regulates proteolytic processing and activation of IL-1β and IL-18 and induces pyroptosis.
NLRP1 is currently recognized as the predominant inflammasome sensor protein in human keratinocytes.
The review presents pathological dysregulation of the NLRP1 inflammasome as a pathway with potential rationale for future therapeutic targeting in skin disease.