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    Did you mean T lymphocyte activation?
    GlossaryT cell activation (T lymphocyte activation)

    process where T cells respond to specific antigens

    T cell activation is the process by which T cells, a type of white blood cell, are triggered to respond to pathogens or infected cells. This occurs when T cells recognize specific antigens presented by other cells, leading to their proliferation and differentiation into effector cells that can directly attack infected cells or help coordinate the immune response.

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      Diffuse hair loss and scalp biopsies

      community Diffuse hair loss and scalp biopsies

      in Research  692 upvotes 3 months ago
      Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

      community The Worst Hair Loss Condition You (MAY) have: LPP

      in Research/Science  43 upvotes 2 months ago
      Lichen Planopilaris (LPP) is an autoimmune condition causing permanent hair loss and fibrosis, often misdiagnosed. Treatments include pioglitazone, topical corticosteroids, anti-inflammatory medication, and Jak inhibitors.

      community Lost density 60% all over scalp in 120 days (4months)

      in Update  10 upvotes 5 months ago
      A user lost 60% hair density in 4 months, started finasteride and microneedling, and has greasy, flaky, yellowish scalp. They are awaiting biopsy results, and another user suggested trying ketoconazole shampoo.