July 2013 in “University of Southern California Digital Library” New stem cells in nails and sweat glands can regenerate skin and hair.
40 citations
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November 2021 in “npj Regenerative Medicine” Adult spiny mice recover better from heart attacks than common lab mice.
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October 1985 in “Genetics Research” Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.
October 2017 in “Journal of The European Academy of Dermatology and Venereology” Stem cells preservation in AGA could be a potential therapy, but more cases needed.
March 2024 in “The journal of sexual medicine” The therapies improved ejaculation disorders and sexual function in middle-aged men.
August 2025 in “International Journal of Pharmaceutics” A new finasteride treatment may quickly and effectively promote hair regrowth.
8 citations
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November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
2 citations
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January 2019 in “Recent Advances in Biology and Medicine” A 5% DMSO and 5% BSA mix best preserves rabbit dermal papilla cells during cryopreservation.
32 citations
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September 2011 in “Journal of Neuroendocrinology” Inhibiting 5α-reductase during late pregnancy shortens gestation, reduces litter size, and harms memory in rat offspring.
3 citations
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July 2017 in “Endogenous locus-driven H-Ras G12V expression induces senescence-like phenotype in primary fibroblasts of the Costello syndrome mouse model” Mouse hair follicle stem cells have a flexible chromatin state that supports skin health and hair growth.
10 citations
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June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
5 citations
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December 2012 in “PubMed” Stopping the use of the drug finasteride can improve sperm count and does not prevent normal conception, but caution is advised when trying to conceive.
207 citations
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July 2006 in “Development” MTS24 marks a new type of skin cell that helps hair growth and repair.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
January 2008 in “Medical Entomology and Zoology” 31 citations
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
April 2018 in “Journal of Investigative Dermatology” Culturing Dermal Papilla Cells and Hair Follicle Stem Cells in 3D conditions can significantly improve hair regeneration potential.
June 2026 in “Kocatepe Veterinary Journal” PRP injections may slightly improve testicular development in male lambs.
January 2019 in “Indian Journal of Dermatology, Venereology and Leprology”
3 citations
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December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
18 citations
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October 2017 in “Drug Design Development and Therapy” DA-9401 helps protect rat testis from finasteride damage.
June 2008 in “The Knowledge Bank (The Ohio State University)” Smad2 and Smad3 are essential for normal skin development, and their absence causes severe skin issues and cancer.
January 2026 in “PLoS Biology” ARHGEF3 is essential for proper hair follicle development in mice.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
15 citations
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology” 21 citations
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June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.