April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
25 citations
,
November 2020 in “Cell Reports Medicine” Developing human skin has immune cells with memory-like features.
79 citations
,
March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
February 2026 in “Pakistan Veterinary Journal” Selenium and Vitamin E supplements improved antioxidant levels and cashmere production in goats.
November 2022 in “Journal of Investigative Dermatology” Fish-derived collagen may help hair grow longer and affect hair stem cells, while bovine collagen could benefit hair stem cell maintenance, potentially aiding in hair loss conditions.
Cyproterone slightly inhibited hair growth in castrated mice, while tamoxifen significantly inhibited hair growth in castrated mice but not in normal mice.
1 citations
,
January 2016 in “Acta histochemica” Black sheep have higher levels of Gnαs and Gnα11 proteins, which may affect their coat color.
19 citations
,
November 2017 in “General and comparative endocrinology” BMP2 and BMPR-IA may stop hair growth while Noggin may encourage it in yak skin.
January 2023 in “Iranian Journal of Pharmaceutical Research” Stauntonia hexaphylla extract can help treat hair loss by blocking certain hormones.
7 citations
,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
1 citations
,
July 2025 in “Biomaterials Advances” 3D cultures respond better to minoxidil, while 2D cultures respond better to DHT.
10 citations
,
February 2019 in “Journal of cellular physiology” TGF-β2 helps yak hair follicles enter the regression phase, while HSP70 tries to prevent it.
Moderate immune responses help hair growth, while excessive responses slow it down.
74 citations
,
September 2003 in “The Journal of Immunology” Activating PKCα in skin causes cell death and inflammation through different pathways.
July 2023 in “British journal of dermatology/British journal of dermatology, Supplement” Aging changes scalp cells, possibly affecting hair health in older women.
45 citations
,
August 1992 in “PubMed” The rat vibrissa follicle can quickly remodel its basement membrane during hair growth, affecting cell signaling and activity.
January 2013 in “IRIS UNIMORE (University of Modena and Reggio Emilia)” Hydrophobized silica nanoparticles penetrate the skin's outer layer more effectively, while hair follicle density doesn't impact their accumulation.
3 citations
,
May 2017 in “Heliyon” Wound healing can help prevent hair loss from chemotherapy in young rats by increasing interleukin-1β signaling.
93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
2 citations
,
July 2019 in “Journal of lasers in medical sciences” Laser treatment and synovial fluid can change hair follicle cells to resemble joint cells, with the changes being more significant when both treatments are used together.
1 citations
,
January 2004 in “PubMed” NGF and minoxidil promote hair growth, while 17 beta-E2 inhibits it.
55 citations
,
September 2003 in “Experimental Dermatology” PDGF signaling may play a role in hair growth cycle regulation.
218 citations
,
May 2014 in “Experimental Dermatology” Skin fat cells help with skin balance, hair growth, and healing wounds.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Targeted cancer therapies can cause skin side effects, but activating SOS in the skin may help reduce them.
2 citations
,
October 2025 in “Discover Immunity.” Alopecia Areata is an autoimmune disease causing hair loss, with no cure yet, but research may lead to new treatments.
December 2023 in “Clinical, cosmetic and investigational dermatology” The new method combining dermoscopy and Reflectance Confocal Microscopy is more effective for evaluating vitiligo.
April 2017 in “Journal of Investigative Dermatology” Higher leptin levels link to hair loss.
16 citations
,
July 2008 in “BMC Genomics” Alpha 6 + /MHCI - cells have stem cell traits and are similar to mouse hair follicle stem cells.
11 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Silver nanoparticles can significantly promote hair growth.
147 citations
,
September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.