2 citations
,
June 2016 in “International journal of experimental pathology” Human skin has less GDNF and its receptor with age.
April 2026 in “Inflammation and Regeneration” AKR1C enzymes in scalp glands decrease with age, possibly affecting hair loss.
11 citations
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June 2016 in “npj Regenerative Medicine” The symposium concluded that understanding how different species repair tissue and how this changes with age can help advance regenerative medicine.
19 citations
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November 2015 in “Radiation Oncology” Hippocampus sparing whole brain radiation therapy prevents hair loss and preserves cognitive function.
90 citations
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October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
7 citations
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May 2022 in “Frontiers in Cell and Developmental Biology” Epigenetic and metabolic changes affect stem cell function and aging in skin.
37 citations
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January 2022 in “Frontiers in Genetics” Aging reduces dermal sheath cells, affecting youthful skin appearance.
11 citations
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September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
10 citations
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October 1992 in “Hormone and Metabolic Research” Finasteride safely lowers DHT levels without affecting hormone levels, helping with conditions like enlarged prostate, acne, and hair loss.
9 citations
,
January 1998 in “Studia Anglica Posnaniensia: international review of English Studies” Wound-induced hair growth may help study regeneration and aging, but it's unclear if this ability decreases with age.
4 citations
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January 2010 in “Animal” Improving knowledge and practices in animal fibre production is crucial to meet market demands and potentially revive natural fibres.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
688 citations
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June 2007 in “Cell Stem Cell” Removing the ATR gene in adult mice causes rapid aging and stem cell loss.
505 citations
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October 2011 in “Journal of clinical oncology” MK-2206 was safe and effectively blocked AKT signaling in cancer patients, warranting more trials.
144 citations
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September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
124 citations
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December 1983 in “Developmental Biology” EGF receptors are crucial for skin cell growth and decrease with age.
77 citations
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March 2014 in “Cold Spring Harbor Perspectives in Medicine” Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.
33 citations
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December 2015 in “International Journal of Molecular Sciences” Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.
28 citations
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February 1999 in “Journal of Investigative Dermatology” Urokinase, a type of protein, helps skin cells multiply faster, especially in newborn mice.
26 citations
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July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The protein Par3 is crucial for healthy skin, affecting the skin barrier, cell differentiation, and stem cell maintenance.
24 citations
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February 2007 in “International Journal of Dermatology” A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.
9 citations
,
January 2008 in “Acta histochemica et cytochemica” COX-2 levels change during the hair cycle and affect skin and hair growth.
7 citations
,
February 2019 in “International Journal of Dermatology” Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.
1 citations
,
February 2025 in “Scientific Reports” CD4 is crucial for maintaining skin stem cell balance and aiding wound healing.
1 citations
,
March 2022 in “IntechOpen eBooks” Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.
February 2026 in “Applied immunohistochemistry & molecular morphology” CD34+ cells decrease in bald areas, while Sox9 stays high, suggesting hair loss in AGA is linked to stem cell issues.
December 2014 in “TDX (Tesis Doctorals en Xarxa)” Cellular senescence is crucial for normal embryonic development but contributes to aging in adults.
Age-related changes in scalp glands may affect hair health, but sulforaphane might help.
5 citations
,
January 2014 in “International Journal of Trichology” Hair loss on the lower legs is common in middle-aged men, usually harmless, and doesn't need treatment.
3 citations
,
January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.