April 2023 in “Andrologia” American men are older, more obese, and have longer infertility than Canadian men.
November 2022 in “Annals of Translational Medicine” Immune activities and specific genes are important in male pattern baldness.
November 2021 in “International Journal of Trichology” Low PON1 levels may indicate and predict the severity of hair loss.
May 2007 in “Proceedings of the National Academy of Sciences of the United States of America” Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.
418 citations,
September 2012 in “Nature” African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
36 citations,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
37 citations,
February 2019 in “Experimental Dermatology” Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.
19 citations,
November 2018 in “Experimental Dermatology” The spiny mouse can regenerate its skin without scarring, which could help us learn how to heal human skin better.
1 citations,
January 2017 in “Organic chemistry” Tridax procumbens has medicinal properties like healing, pain relief, and infection control.
June 2023 in “Animal Bioscience” Vimentin and transthyretin proteins are linked to black coat color in sheep.
209 citations,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
74 citations,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
46 citations,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
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,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
110 citations,
January 1984 in “Progress in brain research” Gonadal hormones may influence sex differences in play fighting in animals, but their effect on human spatial behavior is unclear and needs more research.
July 2023 in “Turkish journal of veterinary research” Wild boar bristles in Balıkesir vary in length and thickness but are unsuitable for species separation.
1 citations,
April 2022 in “Regenerative Therapy” Activating the GDNF-GFRα1-RET signaling pathway could potentially promote skin and limb regeneration in humans and could be used to treat hair loss and promote wound healing.
December 2022 in “Frontiers in Microbiology” The scalp microbiome is more diverse and may be more important in hair loss than the gut microbiome.
71 citations,
March 1995 in “Journal of The American Academy of Dermatology” Using both vertical and transverse sections for alopecia biopsies improves diagnosis without extra cost.
5 citations,
November 2018 in “Skin appendage disorders” More kenogen hairs cause hair thinning in androgenetic alopecia, not hair miniaturization.
1 citations,
August 2006 in “International forensic science and investigation series” Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
91 citations,
July 2010 in “Tissue Engineering Part A” Low-oxygen conditions and ECM degradation products increase the healing abilities of perivascular stem cells.
78 citations,
September 2006 in “International Journal of Cosmetic Science” Dandruff is mainly caused by a scalp reaction to yeast, can worsen hair loss, and antifungal treatments may help.
51 citations,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
38 citations,
October 1988 in “Clinics in Dermatology” Minoxidil can help grow hair and make hair follicles bigger, but it can also cause side effects.
36 citations,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
29 citations,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.