12 citations
,
May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
104 citations
,
July 1994 in “The Journal of Cell Biology” Basonuclin helps keratinocytes multiply and prevents them from fully maturing.
8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
14 citations
,
February 2020 in “Scientific reports” Telocytes in the scalp may help with skin regeneration and maintenance.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
293 citations
,
November 2005 in “Trends in Immunology” Stress can worsen skin conditions and stop hair growth by affecting the body's stress response system.
116 citations
,
April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
January 2018 in “Stem cell biology and regenerative medicine” The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.
43 citations
,
October 2005 in “Molecular and cellular endocrinology” Hair melanocytes help the skin respond to stress and regulate hair pigmentation.
2 citations
,
September 2022 in “Drug Delivery” The microneedle system effectively promotes hair growth for treating androgenic alopecia.
April 2023 in “Journal of Investigative Dermatology” PRP can improve hair growth in people with hair loss, but more research is needed.
July 2024 in “The journal of investigative dermatology/Journal of investigative dermatology” A new wearable device stops hair loss and boosts hair growth safely.
February 2026 in “Advanced Science” TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.
59 citations
,
March 1984 in “Journal of Investigative Dermatology” August 2023 in “Journal of Investigative Dermatology”
48 citations
,
February 2013 in “Molecular and Cellular Endocrinology” The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
2 citations
,
May 2022 in “The journal of immunology/The Journal of immunology” BST2 protein and certain T cells increase in early alopecia areata.
62 citations
,
January 2000 in “Developmental dynamics” Notch-related genes play a key role in the development and cycling of hair follicles.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”
5 citations
,
January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
November 2025 in “The Journal of Immunology” BST2 is highly expressed in certain immune cells in alopecia areata, suggesting a role in the disease.
13 citations
,
November 1985 in “International Journal of Dermatology” The study found clear differences in lesion distribution and microscopic features among trichostasis spinulosa, keratosis pilaris, and eruptive vellus hair cysts.
45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.