September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
120 citations
,
February 2009 in “Apoptosis” Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.
85 citations
,
August 2015 in “Journal of Applied Genetics” Mutations in specific genes disrupt development of sweat glands, teeth, hair, skin, and nails in HED.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
59 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.
51 citations
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
49 citations
,
September 2007 in “Journal of Investigative Dermatology” The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.
28 citations
,
October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.
28 citations
,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
21 citations
,
June 2018 in “Current Opinion in Genetics & Development” Scientists have made progress in growing mini-organs and regenerating parts of the skin, with plans to treat hair loss in a future trial.
19 citations
,
January 2015 in “Scientific Reports” GPR39 is linked to certain cells in the sebaceous gland and helps with skin healing.
19 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal-epidermal interactions are crucial for hair growth and maintenance.
5 citations
,
March 2020 in “Cell and Tissue Banking” Injected cells show potential for hair growth.
5 citations
,
September 2015 in “BMC Medical Genetics” The EDAR gene mutation leads to thinner and more deformed hair shafts.
1 citations
,
January 2017 in “Elsevier eBooks” The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.
Lack of certain cells causes abnormal nipple development and nursing failure.
June 2023 in “Journal of cosmetic medicine” Hair follicle stem cells and mitochondria are key for hair growth, and targeting their activity could lead to new hair loss treatments.
122 citations
,
June 2002 in “Genes & Development” Keratin 17 is crucial for early hair strength and cell survival.
3 citations
,
June 2013 in “Genes & development” CaV1.2 helps activate hair follicle stem cells without calcium flux.
211 citations
,
November 2018 in “Nature Cell Biology” Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.
113 citations
,
November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
65 citations
,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
31 citations
,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.
25 citations
,
August 2010 in “Journal of Biological Chemistry” Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.
17 citations
,
November 2012 in “Journal of Investigative Dermatology” The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.
15 citations
,
February 2015 in “Cell & tissue research/Cell and tissue research” P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.
April 2024 in “Cell death and differentiation” Cell death shapes skin stem cell environments, affecting inflammation, repair, and cancer.
January 2020 in “Journal of Entomology and Zoology Studies” Canine hair follicle stem cells are located in the isthmus/bulge region of the hair follicle.
New treatments for hair loss show promise, including plasma, stem cells, and hair-stimulating complexes, but more research is needed to fully understand them.