13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
November 2005 in “Nature Reviews Molecular Cell Biology” The protein hairless is important for hair regrowth because it stops the protein wise from blocking the hair cycle.
55 citations
,
February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
28 citations
,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
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.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
1 citations
,
January 1971 Hormones, especially androgens, affect hair growth and can cause hair loss or excess hair in both men and women.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
January 1998 in “KAGAKU TO SEIBUTSU” The document suggests that male hormones likely affect hair growth and baldness, and future treatments might involve stem cells and androgen-independent cells.
7 citations
,
April 1996 in “British Journal of Dermatology” Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.
December 2004 in “Differentiation”
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
3 citations
,
June 2001 in “Scientific American” 1 citations
,
December 2023 Hair grows in cycles and changes with age, starting from fetal development.
May 2009 in “Hair transplant forum international” Androgens affect hair growth and shedding, with genetic and non-genetic factors influencing baldness.
5 citations
,
June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
16 citations
,
January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
October 2025 in “Experimental & Molecular Medicine” Hair analysis is valuable for health and forensics but faces challenges like growth variability and contamination.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
62 citations
,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
October 2024 in “GE Portuguese Journal of Gastroenterology” Unexplained excessive hair growth can signal underlying cancer and often indicates a poor prognosis.
2 citations
,
December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
34 citations
,
December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.