185 citations,
December 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
170 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt ligands are crucial for hair growth and repair.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
95 citations,
July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
46 citations,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
42 citations,
February 2021 in “Signal Transduction and Targeted Therapy” Hair follicle regeneration possible, more research needed.
41 citations,
June 2016 in “Reviews in endocrine and metabolic disorders” Hidradenitis suppurativa may be related to hormones and patients often have metabolic disorders; more research is needed to understand this connection.
23 citations,
January 2018 in “International Journal of Molecular Medicine” Baicalin helps hair growth by activating specific cell signals and pathways.
23 citations,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
17 citations,
April 2017 in “International Journal of Biological Macromolecules” Monoolein-alginate beads help heal wounds by controlling moisture and effectively delivering adenosine to the skin.
11 citations,
January 2001 in “Cambridge University Press eBooks” Androgens can cause hair growth in some areas but hair loss on the scalp.
10 citations,
June 2016 in “Wound Repair and Regeneration” The microenvironment, especially mechanical forces, plays a crucial role in hair growth and could lead to new treatments for hair loss.
10 citations,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
8 citations,
January 2013 in “BioMed Research International” Age, gender, and hair loss affect scalp characteristics differently in young Caucasian adults.
8 citations,
July 2012 in “Cambridge University Press eBooks” Androgens can both increase body hair and cause scalp hair loss.
6 citations,
February 2013 in “Journal of Visualized Experiments” The method quickly analyzes hair growth genes and shows that blocking Smo in skin cells stops hair growth.
5 citations,
September 2012 in “Springer eBooks” Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.
3 citations,
November 2018 in “Curēus” The cause and importance of misplaced oil glands in the hair follicle are not well understood.
1 citations,
January 2019 in “Elsevier eBooks” Electrospun matrices help regenerate skin and hair follicles using PCL and collagen scaffolds.
1 citations,
April 2017 in “Journal of Investigative Dermatology” Higher minoxidil dose helps hair growth in non-responders without side effects.
1 citations,
January 2014 in “Elsevier eBooks” Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Aged individuals heal wounds less effectively due to specific immune cell issues.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
April 2017 in “Journal of Investigative Dermatology” Researchers improved a method to study individual cells in newborn mouse skin and found a way to assess the severity of a skin condition in humans.
April 2017 in “Journal of Investigative Dermatology” The study found a link between the severity of Lichen Planopilaris seen by doctors and the details seen under a microscope, and created a new way to measure this severity.
829 citations,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
158 citations,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
125 citations,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.