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    Glossary Immune Activation

    body's defense system responding to a perceived threat

    Immune activation refers to the process by which the body's immune system is triggered to respond to a perceived threat, such as an infection, injury, or foreign substance. This involves the activation of immune cells like T-cells and B-cells, which then work to identify, attack, and eliminate the threat. In the context of alopecia, immune activation can mistakenly target hair follicles, leading to hair loss.

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    1. Activating an adaptive immune response from a hydrogel scaffold imparts regenerative wound healing Nature Materials · 2020 · 328 citations
    2. A Signature of Genes Featuring FGF11 Revealed Aberrant Fibroblast Activation and Immune Infiltration Properties in Keloid Tissue Emergency medicine international · 2022 · 2 citations
    3. IMMUNE-DRIVEN ACTIVATION OF HAIR FOLLICLE STEM CELLS AS A TRANSLATIONAL MODEL FOR FUTURE CELL-BASED THERAPY DEVELOPMENT Cytotherapy · 2026
    4. Hair Follicle Mesenchyme-Associated PD-L1 Regulates T-Cell Activation Induced Apoptosis: A Potential Mechanism of Immune Privilege Journal of Investigative Dermatology · 2013 · 53 citations
    5. LB1031 Immune Cell-Mediated Amplification of Stem Cell Activation in Hairy Melanocytic Nevus via Osteopontin-CD44 Axis Journal of Investigative Dermatology · 2024 · 1 citations
    6. Dietary glucoraphanin prevents the onset of psychosis in the adult offspring after maternal immune activation Scientific reports · 2018 · 36 citations
    7. Resident T cell activation leads to human hair follicle immune privilege loss ex vivo, which is prevented by the DHODH inhibitor farudodstat: relevance for alopecia areata Frontiers in Medicine · 2026
    8. Image 1_Resident T cell activation leads to human hair follicle immune privilege loss ex vivo, which is prevented by the DHODH inhibitor farudodstat: relevance for alopecia areata.pdf Figshare · 2026
    9. Activating an adaptive immune response from a hydrogel scaffold imparts regenerative wound healing bioRxiv (Cold Spring Harbor Laboratory) · 2020 · 1 citations
    10. Peripheral MC1R Activation Modulates Immune Responses and is Neuroprotective in a Mouse Model of Parkinson’s Disease Journal of Neuroimmune Pharmacology · 2023 · 9 citations
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    Community 2 of 10

    1. Hair loss after COVID or vaccination isn’t “made up” but it’s also not what TikTok makes it sound like Reddit · 16 Jan 2026
    2. Telogen Effluvium/Chronic TE and immune-related hair loss advice Reddit · 8 Aug 2018
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    Learn 2 of 10

    1. Hair Multiplication extract, clone, and reinsert your own hair cells
    2. Thymosin Beta 4
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