14 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This review discusses current and emerging medical therapies for androgenetic alopecia but reports no new clinical findings, emphasizing the importance of stabilizing the condition as a complement to surgical hair restoration.
211 citations
,
April 2013 in “Development” In this study, researchers found that the number of dermal papilla cells in hair follicles determines hair size and shape in mice, suggesting potential avenues for addressing hair loss.
61 citations
,
April 2012 in “British Journal of Dermatology” This study analyzed changes in hair diameter and density with age in Caucasian women, highlighting variations in perception of hair amount over time.
45 citations
,
January 2012 in “Experimental Dermatology” This study reveals that human hair follicles transition between active and dormant states stochastically, challenging the idea of a cyclical automaton controlling hair growth.
40 citations
,
December 2011 in “British Journal of Dermatology” This article reviews how chronological aging affects female scalp hair growth and suggests that multiple factors, including environmental influences, contribute to female pattern hair loss; no new clinical results are presented.
21 citations
,
October 2011 in “PloS one” In this study, researchers identified three molecules in hair that varied with age, suggesting potential markers for aging and targets for cosmetic products.
35 citations
,
May 2011 in “Experimental Dermatology” This study found that hair follicles undergo significant molecular changes with age, notably a decline in keratins and keratin-associated proteins, which may contribute to age-related hair alterations.
15 citations
,
February 2011 in “Journal of Tissue Engineering and Regenerative Medicine” This study found that a newly developed hemi-vascularized sandwich method significantly improved the regeneration and maturity of hair follicles compared to other transplantation approaches in rat models.
20 citations
,
July 2010 in “Skin Research and Technology” This study found that aging in Korean individuals is associated with changes in hair diameter and surface structure, as observed through atomic force microscopy.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” This study found that hair luster decreases with age in Japanese females, primarily due to an irregular increase in fiber curvature which affects hair alignment.
5 citations
,
February 2009 in “International Journal of Cosmetic Science” In a study using a placebo-controlled design, the researchers found that coenzyme Q10 may enhance gene expression of age-relevant hair keratins in human hair roots, suggesting potential anti-aging benefits for mature hair.
217 citations
,
February 2009 in “The FASEB Journal” This study found that hydrogen peroxide accumulation and reduced methionine sulfoxide repair play a significant role in the oxidative damage linked to senile hair graying.
759 citations
,
February 2009 in “Current Biology” This review summarizes fundamental concepts and recent advancements in hair follicle biology, including insights from mouse models into broader molecular and cellular processes relevant to regeneration and development.
126 citations
,
January 2009 in “International Journal of Trichology” This review discusses the potential role of oxidative stress in hair graying and age-related alopecia, emphasizing the need for new strategies to counteract these effects, but reports no new results.
415 citations
,
January 2008 in “Cell” NFATc1 controls hair stem cell activity, affecting hair growth and could be a target for hair loss treatments.
210 citations
,
May 2006 in “The FASEB journal” This study found that oxidative stress in hair follicle melanocytes contributes to premature aging and apoptosis, providing insights into graying as a model for studying aging and testing antiaging therapies.
417 citations
,
September 2005 in “PLoS biology” This study developed molecular signatures for dermal papilla cells and their niche, uncovering novel signaling regulators and genes linked to hair disorders, which may inform future hair development research.
71 citations
,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This study revealed that human keratin-associated protein genes are expressed in specific patterns in hair fiber regions and vary in size, with some variations distinct across different populations.
414 citations
,
August 2005 in “Nature” In this study, researchers discovered that activating TERT in mouse skin epithelium triggers dormant hair follicle stem cells, leading to rapid hair growth, through a pathway independent of telomere extension.
33 citations
,
April 2005 in “British Journal of Dermatology” This study found that age and follicular miniaturization were extremely weak predictors of total hair count in women with hair loss.
581 citations
,
October 1998 in “Journal of The American Academy of Dermatology” In male pattern hair loss, this study found that finasteride 1 mg daily significantly slowed hair loss and increased hair growth over two years compared to placebo.
192 citations
,
March 1998 in “British Journal of Dermatology” This study found that minoxidil significantly increases VEGF mRNA and protein expression in dermal papilla cells, suggesting a role in enhancing hair follicle vascularization in androgenetic alopecia.