February 2026 in “Journal of Allergy and Clinical Immunology” Alopecia areata involves immune system issues and specific cell types that disrupt hair growth, leading to hair loss.
58 citations
,
July 2018 in “Journal of Allergy and Clinical Immunology” Alopecia areata severity is linked to increased TH1 and TH2 activity.
October 2025 in “International Journal of Dermatology” JAK inhibitors may help treat certain types of hair loss, but more research is needed.
34 citations
,
June 2020 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia is linked to increased immune system activity and reduced stem cells, suggesting early treatment targeting this pathway might prevent hair follicle damage.
21 citations
,
December 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cells in alopecia areata scalp show abnormal regulation, leading to less inflammation.
176 citations
,
August 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.
April 2019 in “Journal of Investigative Dermatology” Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.
9 citations
,
May 2005 in “Expert Review of Clinical Immunology” Blocking interferon-gamma might help treat various autoimmune diseases.
CD4 T cells need IFN-γ to cause hair loss in alopecia areata.
278 citations
,
March 2013 in “Gut” Anti-IL-12/IL-23 antibody therapy effectively treats psoriasiform skin lesions in IBD patients.
20 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” IFN-γ and IL-2 are important for T cell activation in hair loss in mice.
11 citations
,
January 2017 in “Oxidative medicine and cellular longevity” Antroquinonol may help prevent skin depigmentation by suppressing certain immune cells.
15 citations
,
December 2018 in “International journal of environmental research and public health/International journal of environmental research and public health” EGCG may help treat alopecia areata by blocking certain immune responses and reducing specific harmful immune cells.
16 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Blocking interferon-gamma helps prevent and treat hair loss in Alopecia Areata.
July 2024 in “Journal of Investigative Dermatology”
April 2021 in “Journal of Investigative Dermatology” IL-15 helps protect hair follicles from immune attacks and encourages hair growth.
1 citations
,
August 2023 in “Biomolecules” Certain immune-related proteins are higher in people with alopecia and their healthy relatives, hinting at a genetic link.
37 citations
,
December 2021 in “Cells” Alopecia areata severity and treatment response are linked to specific cytokine levels.
12 citations
,
April 2017 in “Experimental and Therapeutic Medicine” Patients with severe active alopecia areata have lower CD200 expression and an imbalance in their immune system.
October 2025 in “Science Advances” IFN-γ production by CD4 T cells is crucial for causing alopecia areata.
Alopecia areata patients show increased inflammation and OX40 activation, suggesting a new treatment target.
June 2022 in “Frontiers in Immunology” Tofacitinib regrew hair in a man with total hair loss but raised cytokine levels, needing more research on possible side effects.
65 citations
,
December 2015 in “Experimental dermatology” Corticosteroid treatment reduces inflammation and alters hair keratins in alopecia areata.
3 citations
,
September 2025 in “Frontiers in Immunology” JAK inhibitors are effective for treating moderate-to-severe alopecia areata.
7 citations
,
November 2018 in “British Journal of Dermatology” Alopecia areata is caused by immune system issues, and JAK inhibitors might help treat it.
1 citations
,
September 2025 in “Frontiers in Immunology” Alopecia areata involves complex immune dysregulation, mainly driven by Th1 activity, suggesting broader treatment strategies.
20 citations
,
December 2020 in “Frontiers in Immunology” The immune processes causing VKH and vitiligo are similar in dogs and humans.
1 citations
,
January 2025 in “Frontiers in Immunology” Genetically at-risk healthy people show similar immune issues as those with Pemphigus vulgaris or Alopecia areata.
13 citations
,
May 2023 in “Journal of Dermatological Science” Reduced SIRT1 in hair cells may cause alopecia areata by triggering immune responses.
3 citations
,
October 2025 in “Biomedicines” New treatments for seborrheic dermatitis show promise for difficult cases.