April 2017 in “Journal of Investigative Dermatology” Hair loss patterns differ between males and females due to 5 master regulators and JAK-STAT signaling affects hair growth.
November 2025 in “Journal of Investigative Dermatology” Ritlecitinib effectively treats severe Alopecia Areata by reducing harmful immune activity in the skin.
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.
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.
1 citations
,
October 2025 in “Journal of Allergy and Clinical Immunology” A JAK1 variant causes hair loss, skin issues, and thyroid disease, but treatment with a specific inhibitor can help.
July 2025 in “Journal of Investigative Dermatology” Ritlecitinib reduces alopecia areata symptoms by blocking JAK3/TEC signaling and T-cell activity.
June 2025 in “Cell Metabolism” Serine is vital for hair follicle stem cells to balance hair growth and skin repair.
July 2024 in “Journal of Investigative Dermatology” 701 citations
,
August 2014 in “Nature medicine” Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.
101 citations
,
March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
59 citations
,
September 2021 in “Journal of Allergy and Clinical Immunology” Netherton syndrome has two subtypes with shared immune traits but different allergic and immune responses, suggesting targeted treatments.
13 citations
,
September 2022 in “Frontiers in immunology” Ifidancitinib, a JAK inhibitor, effectively regrows hair in mice with alopecia by tiring out harmful T cells.
8 citations
,
November 2024 in “EMBO Molecular Medicine” Targeting JAK-STAT1 can reduce inflammation and promote hair growth in conditions linked to EGFR deficiency.
July 2025 in “Cell & Bioscience” Specific immune cells and pathways contribute to hair follicle inflammation and hair loss, suggesting potential treatments for lichen planopilaris.
January 2017 in “Journal of Investigative Dermatology Symposium Proceedings” The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.
489 citations
,
November 2021 in “Signal Transduction and Targeted Therapy” The JAK/STAT pathway is important in cell processes and disease, and JAK inhibitors are promising for treating related conditions.
154 citations
,
November 2017 in “Development” Fibroblast Growth Factors (FGFs) are important for tissue repair and regeneration, influencing cell behavior and other factors involved in healing, and are crucial in processes like wound healing, bone repair, and hair growth.
76 citations
,
February 2007 in “Cancer Research” Protein Kinase Cε increases skin sensitivity to UV damage and skin cancer risk.
51 citations
,
October 2019 in “Cells” Baricitinib reduces inflammation and improves cell health in premature aging cells.
42 citations
,
April 2021 in “JCI insight” Blocking JAK3 signaling can reverse hair loss from alopecia areata.
32 citations
,
August 2024 in “Journal of Investigative Dermatology” In vitro skin models are improving but still need more innovation to fully replicate human skin.
23 citations
,
January 2016 in “Frontiers in immunology” Using low-dose IL-2 to increase regulatory T cells might be a safe way to treat type 1 diabetes without severe side effects.
17 citations
,
April 2021 in “Frontiers in Pharmacology” Activating Nrf2 can help protect against hearing loss.
15 citations
,
January 2022 in “Immune Network/Immune network” New targeted immunotherapies are improving treatment for inflammatory skin diseases.
14 citations
,
July 2021 in “Bioscience Reports” Activating Tgr5 may help treat hair loss and bone loss.
7 citations
,
May 2025 in “Journal of Biomedical Science” Keratin 6A increases skin inflammation, suggesting it could be a target for treating certain skin diseases.
6 citations
,
December 2023 in “Journal of Molecular Cell Biology” Removing Gsdma1/2/3 genes reduces skin cell overgrowth by blocking a specific cell pathway.
4 citations
,
January 2019 in “Evidence-based Complementary and Alternative Medicine” Yangyin Qingre Huoxue Prescription may help treat atherosclerosis with fewer liver side effects than simvastatin.
1 citations
,
January 2024 in “Pharmaceuticals” A new carrier improves skin delivery of tofacitinib for treating inflammatory skin diseases.
1 citations
,
May 2023 in “European Journal of Human Genetics” Rare ULBP3 gene changes may raise the risk of Alopecia areata, a certain FAS gene deletion could cause a dysfunctional protein in an immune disorder, and having one copy of a specific genetic deletion is okay, but two copies cause sickle cell disease.