This study found that BCG injection in COVID-19 convalescent adults reduced long COVID symptoms like hearing and cognitive issues but also led to increased hair loss in women at six months.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” This study explored how T cells interact with hair follicles in primary cicatricial alopecias by using spatial transcriptomics across mice, dogs, and human samples, revealing specific communication pathways and potential drug targets like CFD and S100A8/9 for future therapeutic research.
December 2024 in “Journal of Clinical Medicine of Kazakhstan” This review highlights the potential of combining immune regulation, phototherapy, and dietary strategies for effective vitiligo treatment, but emphasizes that more research is needed.
September 2024 in “Journal of the Pakistan Medical Association” In this experimental study, laser irradiation significantly altered the gene expression of cytokines in cultured human T-cell lymphocytes, suggesting that such laser light may photobiomodulate cytokine production in vitro.
July 2024 in “Journal of Investigative Dermatology” Expanding regulatory T cells may help treat alopecia areata by reducing harmful immune cells.
July 2024 in “Journal of Investigative Dermatology” Hair follicles are crucial for maintaining skin barrier function.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib reduces interferon signaling in hidradenitis suppurativa patients.
July 2024 in “Journal of Controlled Release” In this study, researchers developed topical tofacitinib-loaded cationic lipid nanoparticles, which improved absorption and targeted hair follicles in an ex vivo pig ear model, showing promise in treating alopecia areata by reducing symptoms through the JAK/STAT pathway.
May 2024 in “Archives of dermatological research” This study found that Enz_MoriL, a compound derived from Morus alba L., promotes hair follicle cell proliferation by affecting the Wnt/β-catenin pathway and can counteract an alopecia areata-like condition by suppressing the JAK-STAT signaling in human hair follicle dermal papilla cells.
April 2024 in “International journal of molecular sciences” This study examines the similarities and differences in the pathogenesis of autoimmune conditions alopecia areata and vitiligo, highlighting shared features like immune cell involvement and cytokine pathways, while noting differing immune responses in skin and hair.
April 2024 in “Bioscience trends” This study found that patients with alopecia areata had significantly higher levels of circulating DNA for certain cytokines compared to healthy controls, suggesting that increased circulating DNA may be linked to hair follicle damage in these patients.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found that ex vivo and in vivo administration of the TYK2 inhibitor BMS-986202 prevented immune privilege collapse and promoted hair regrowth in models of alopecia areata, suggesting this approach may offer a new therapeutic avenue deserving of clinical investigation.
August 2023 in “Journal of Investigative Dermatology” Skin organoids can regenerate hair by forming specific cell units with certain signals.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” This report highlights a case of a 35-year-old man developing alopecia universalis following alemtuzumab treatment for multiple sclerosis, suggesting potential links between this medication and drug-induced alopecia areata, though the genetic overlap of the conditions may also play a role.
May 2023 in “The Journal of Immunology” In this study, treatment with IL-2C to expand Tregs effectively halted hair loss progression in a murine model of alopecia areata.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that JAK1 and JAK2 inhibitors increase β-catenin activity in human hair follicle cells, suggesting an additional therapeutic mechanism for treating severe alopecia areata.
April 2023 in “Journal of Investigative Dermatology” In this study, researchers developed a mouse model of scarring alopecia and observed significant reductions in CD200R expression in affected skin, potentially linking this signaling pathway to immune attacks on hair follicles and suggesting new treatment targets for scarring hair loss.
April 2023 in “Journal of Investigative Dermatology” This study found that mRNA booster vaccinations for SARS-CoV-2 increased protective antibodies without worsening autoimmune disease activity in patients with pemphigus and bullous pemphigoid.
April 2023 in “Journal of Investigative Dermatology” In this study, researchers found that the protein eIF4E is crucial for keratinocyte proliferation in psoriasis, suggesting it as a potential treatment target for the condition.
April 2023 in “Journal of Investigative Dermatology” This study found that tissue transcriptomics and a normalization approach can effectively cluster nine inflammatory skin diseases and identify specific biomarkers, including PTEN as a marker for cutaneous lupus erythematosus.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that targeting mitophagy to regulate mitochondrial dysfunction and inhibit inflammasome activation could offer a novel therapeutic approach for alopecia areata.
April 2023 in “Journal of Investigative Dermatology” This research developed new in vitro models for high-throughput screening of drugs that could protect or restore immune privilege in hair follicles, finding that Tofacitinib was effective in preventing inflammation-related marker upregulation, while Tacrolimus and αMSH worked specifically in outer root sheath keratinocytes.
January 2023 in “Applied sciences” This study found that co-administering sasam-Kyeongokgo with gefitinib enhanced gefitinib's anti-tumor activity and exhibited favorable anti-cachexia effects in mice with non-small-cell lung cancer.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that allergens like linalool found in personal care products may contribute to the pathobiology of frontal fibrosing alopecia by affecting immune responses and stem cell function in hair follicles.
November 2022 in “Journal of Investigative Dermatology” This study found that ILC1-like cells can induce alopecia areata in healthy human hair follicles, challenging the traditional belief that the disease is primarily driven by CD8+ T cells.
November 2022 in “Journal of Investigative Dermatology” This study found that innate lymphoid cells-type 1 can induce alopecia areata characteristics in human hair follicles both ex vivo and in vivo, challenging the view of it as solely an autoimmune disease driven by CD8+ T cells.
November 2022 in “Journal of Investigative Dermatology” This study provides evidence that ILC1-like cells can induce alopecia areata in previously healthy human hair follicles, challenging the view that it is solely an autoantigen-dependent autoimmune disease.
October 2022 in “Faculty of 1000 Research Ltd” This review discusses the roles of various growth factors and cytokines in skin regeneration, highlighting their potential for future therapeutic development, and reports no new experimental findings.
Linalool in personal care products may worsen frontal fibrosing alopecia by damaging hair follicle stem cells and triggering harmful immune responses.
July 2022 in “Journal of Investigative Dermatology” This study found that a TYK2 inhibitor, BMS-986202, may restore immune privilege in hair follicles and promote hair regrowth in a humanized alopecia areata mouse model by inhibiting IL-12-mediated signaling.