January 2026 in “Journal of Biosciences and Medicines” Androgenetic alopecia treatments focus on reducing hair loss by targeting hormones, with new therapies showing promise but needing more research.
Exosome therapy successfully regrew and restored natural hair color in a man with stress-related hair loss.
November 2023 in “npj regenerative medicine” Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.
165 citations
,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
26 citations
,
September 2001 in “Journal of Investigative Dermatology” BSSP may help skin tumors grow and could be a marker or target for skin cancer treatment.
6 citations
,
October 2020 in “Frontiers in cell and developmental biology” WWOX deficiency in mice causes skin and fat tissue problems due to disrupted cell survival signals.
October 2023 in “Biomaterials” Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.
December 2025 in “Pharmaceutics” Personalized skin rejuvenation using genomics shows promise but needs more research.
April 2026 in “Development” Hemidesmosomes and Notch signaling help skin cells mature by moving them to the outer layer.
25 citations
,
February 2024 in “Biomaterials” Stem cell-derived organoids can improve skin healing.
56 citations
,
June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
18 citations
,
May 2018 in “International Journal of Molecular Sciences” Human body's immune cells are more common in the layer of fat just beneath the skin than in deeper fat layers.
15 citations
,
March 2021 in “Journal of Nanobiotechnology” A new method was developed to grow and maintain human hair follicle stem cells for hair reconstruction.
211 citations
,
May 2018 in “Trends in cell biology” Different types of skin cells play specific roles in development, healing, and cancer.
April 2018 in “Journal of Investigative Dermatology” Activating Nrf2 helps wounds heal faster by increasing hair follicle stem cells.
551 citations
,
November 2013 in “Nature” Certain mature cells in mouse lungs can turn back into stem cells to aid in tissue repair.
18 citations
,
February 2007 in “Journal of Investigative Dermatology” Deleting Rac1 in the skin depletes stem cells and damages hair follicles.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
68 citations
,
August 2014 in “Stem Cells Translational Medicine” Dermal papilla cells help wounds heal better and can potentially grow new hair.
5 citations
,
January 2021 in “Frontiers in cell and developmental biology” Skin cysts might help advance stem cell treatments to repair skin.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles repair 3D injuries using a 2D healing process.
5 citations
,
January 2019 in “Elsevier eBooks” Current therapies cannot fully regenerate adult skin without scars; more research is needed for scar-free healing.
6 citations
,
June 2012 in “Physiology” The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
84 citations
,
October 2014 in “PLoS Genetics” Wnt signaling is essential for forming the skin's spinous layer through a BMP-FGF pathway.
127 citations
,
July 2002 in “EMBO journal” Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.
23 citations
,
December 2001 in “Lasers in Surgery and Medicine” Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.
15 citations
,
September 1999 in “British Journal of Dermatology” Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.
52 citations
,
October 2007 in “Molecular Therapy” Injecting lentiviral vectors into early gestation mice effectively targets skin stem cells for potential gene therapy.
61 citations
,
January 2011 in “PloS one” Notch signaling is essential for healthy skin and hair follicle maintenance.