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    GlossaryJAK inhibitor

    blocks enzymes involved in immune response and inflammation

    A JAK inhibitor, also known as a Janus kinase inhibitor or JAKi, is a type of medication that blocks the activity of Janus kinase enzymes. These enzymes play a crucial role in the signaling pathways that regulate immune responses and inflammation. By inhibiting these enzymes, JAK inhibitors can help manage autoimmune diseases and conditions like alopecia areata, where the immune system mistakenly attacks hair follicles.

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