835 citations
,
October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
724 citations
,
April 2004 in “Lancet Oncology” Chemotherapy in the first trimester of pregnancy is risky, but in the second and third trimesters, it's generally safe with careful drug selection and timing.
277 citations
,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
224 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
205 citations
,
July 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.
178 citations
,
May 2006 in “Developmental Dynamics” Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.
162 citations
,
August 2002 in “Survey of Ophthalmology” Latanoprost can make eyelashes longer, thicker, and darker.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
138 citations
,
May 2000 in “Maturitas” Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
118 citations
,
April 1998 in “Dermatologic Clinics” Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.
115 citations
,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
113 citations
,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
109 citations
,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
109 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
92 citations
,
August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
90 citations
,
June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
89 citations
,
April 2023 in “Forensic Science International Genetics” Forensic DNA Phenotyping can now better predict appearance, ancestry, and age from DNA, but more research is needed for precise police use.
88 citations
,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
87 citations
,
March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
85 citations
,
April 2012 in “PLOS ONE” Valproic Acid helps regrow hair in mice and activates a hair growth marker in human cells.
71 citations
,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
68 citations
,
June 2005 in “Expert Opinion on Therapeutic Targets” Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.
66 citations
,
December 2013 in “Nature Cell Biology” Inactive hair follicle stem cells help prevent skin cancer.
66 citations
,
May 2012 in “Scientific Reports” Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.
65 citations
,
September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
61 citations
,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.
60 citations
,
July 2014 in “Autophagy” The protein FLCN is involved in cellular cleanup and is regulated by ULK1.
57 citations
,
January 2013 in “International Journal of Medical Sciences” Lef1 helps stem cells become hair cells by interacting with specific signaling pathways.