28 citations
,
January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
25 citations
,
October 2018 in “PloS one” Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.
23 citations
,
March 2019 in “Gene” Editing the FGF5 gene in sheep increases wool length, confirming its role in hair growth.
22 citations
,
April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
10 citations
,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
9 citations
,
March 2019 in “European Journal of Sport Science” New signs like changes in blood markers, physical symptoms, and behavioral shifts may help detect hidden steroid use in athletes.
5 citations
,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
4 citations
,
May 2020 in “Cureus” A new genetic mutation causing Werner's syndrome was found in an Indian man.
3 citations
,
September 2021 in “BioEssays” Dandruff might be caused by changes in how hair follicles naturally release oils and an immune response to this imbalance.
2 citations
,
September 2020 in “International journal of radiology & radiation therapy” Radiotherapy can cause rare changes in hair color, which should be discussed with patients.
1 citations
,
March 2024 in “International journal of molecular sciences” Radiation therapy damages skin structure and immune function, causing inflammation and potential hair loss.
January 2026 in “Preprints.org” Four new FGF5 gene variants cause long hair in dogs.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
July 2021 in “International Ophthalmology” Female hair loss patients more likely to have dry eye and gland issues.
29 citations
,
October 2012 in “Anais Brasileiros De Dermatologia” Diagnosing hair loss disorders needs clinical, dermoscopic, and histological differences, and checking menstrual cycle, weight changes, drug therapy, and nail changes.
11 citations
,
August 2010 in “Developmental neurobiology” Ptprq has multiple forms that change during inner ear development.
8 citations
,
July 2022 in “Frontiers in plant science” pH changes are crucial for root hair growth because they affect enzymes and proteins that control the cell wall and growth.
4 citations
,
May 2012 in “Tissue Engineering and Regenerative Medicine” Scientists created three types of structures to help regrow hair follicles, and all showed promising results for hair regeneration.
2 citations
,
October 2016 Chemotherapy and radiotherapy can cause skin side effects like rashes, hair loss, and nail changes, which are usually managed with conservative treatments.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
109 citations
,
May 2011 in “Dermatologic Therapy” Alopecia areata is a type of hair loss that can lead to complete baldness, often associated with other autoimmune conditions, and half of the cases may see hair return within a year.
4 citations
,
February 2022 in “Frontiers in molecular biosciences” Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.
18 citations
,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
4 citations
,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Scientists made a mouse that shows how a specific protein in the skin changes and affects hair growth and shape.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
13 citations
,
January 2015 in “International Journal of Trichology” Higher lead and cadmium, and lower zinc and iron levels in the blood might be linked to chronic hair loss in women.