September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
3 citations
,
March 2024 in “iScience” Long-lived proteins may predict age-related diseases.
7 citations
,
August 2023 in “Skin Research and Technology” Scalp conditions change with age, affecting hair health.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
144 citations
,
September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
July 2025 in “Journal of Investigative Dermatology”
Older women's scalp cells show changes that could contribute to hair thinning.
September 2017 in “Journal of Investigative Dermatology” Loss of COL17A1 causes hair follicle stem cells to age and leads to hair loss.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
April 2024 in “Pigment cell & melanoma research” Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.
May 2015 in “Journal of Investigative Dermatology” Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
2 citations
,
November 2022 in “Journal of Biochemistry and Molecular Biology” Aging changes hair stem cells and their environment, leading to gray hair and hair thinning, but understanding these changes could help develop treatments for hair regeneration.
3 citations
,
August 2021 in “Research Square (Research Square)” The most common sign of aging at the gene level is more Ectodysplasin A2 Receptor (EDA2R) being made.
35 citations
,
November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” DNA methylation changes in Tan sheep affect growth and fur traits.
30 citations
,
August 2016 in “Skin research and technology” 3D imaging shows clearer details of skin structure changes with age.
1 citations
,
September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.
8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics” 36 citations
,
March 2011 in “Stem Cell Reviews and Reports”
35 citations
,
January 2013 in “The Journal of experimental medicine/The journal of experimental medicine” CD98hc's role in skin health decreases with age.
April 2023 in “Journal of Investigative Dermatology” The research updated the skin cell profile, finding new skin cell markers and showing fibroblasts' key role in skin health.
40 citations
,
July 2013 in “Skin Pharmacology and Physiology” Male skin gets drier and more alkaline as it ages, which may need different skincare than women's skin.
April 2015 in “Experimental Dermatology” Melanoma risk tools need improvement, certain gene mutations cause skin diseases and could be treated by targeting those mutations, skin wrinkling may relate to lung aging due to genetic factors, and oxidative stress affects hair loss but can be reduced in low oxygen.
May 2024 in “Journal of Advanced Research” Communication between blood vessel and hair follicle cells decreases with age, affecting hair growth and blood vessel formation.
December 2025 in “GeroScience” Genetics, epigenetics, and lifestyle all influence facial skin aging.
February 2026 in “BMC Genomics” MEG3-miRNAs help control wool traits in young Tan sheep by regulating immune responses, but their decline with age leads to wool changes.
89 citations
,
May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
11 citations
,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
19 citations
,
August 2022 in “Forensic Science International Genetics” The model accurately predicts age from saliva and buccal cells for forensic use.
July 2024 in “Journal of Investigative Dermatology” Skin hormone levels change significantly after menopause.