April 2019 in “Journal of the Endocrine Society” Mosaic Klinefelter syndrome can affect male fertility and may be missed in routine tests.
1 citations
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September 2010 in “European Urology Supplements” August 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.
47 citations
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August 2012 in “Cell Cycle” Stem cells in hair follicles can become neurons and other cells, especially in the upper part, useful for nerve repair.
305 citations
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March 2008 in “AJP Endocrinology and Metabolism” SSAT is a key enzyme affecting cell growth and metabolism, with potential but risky use in disease treatment.
4 citations
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January 2025 in “Annals of the New York Academy of Sciences” Spiny mice can regenerate tissues instead of forming scars.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The research found that specific stem cells maintain skin gland openings and that disrupting their activity can cause blockages or early cancer signs, indicating a need for targeted treatments.
45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
8 citations
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October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
20 citations
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January 2021 in “GeroScience” Spermidine helps protect against aging by preserving telomere length.
34 citations
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January 2013 in “Frontiers in genetics” Stem cells can help other stem cells by producing supportive factors.
46 citations
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January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
January 2015 in “Journal of Cytology and Histology” Hair loss in Androgenetic Alopecia is not caused by damage to follicular stem cells.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
19 citations
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March 2016 in “Frontiers in Plant Science” Spermidine is essential for plant growth and adaptation to stress.
1 citations
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December 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Sox9 levels in brain stem cells affect whether they stay as stem cells or become neurons.
January 2022 in “Figshare” Autophagy helps mouse glands stay healthy, prevents early aging, and maintains their oil and scent production.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
48 citations
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
2 citations
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February 2025 in “Journal of Investigative Dermatology” Progenitor cells randomly decide their roles to maintain hair follicle growth.
46 citations
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September 2023 in “Cell Reports” Sebaceous glands can regenerate after injury using stem cells from hair follicles.
89 citations
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May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
64 citations
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May 2015 in “Cell Cycle” Hair follicle stem cells can become heart muscle cells.
2 citations
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December 2001 in “PubMed” 352 citations
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August 2003 in “Proceedings of the National Academy of Sciences” Nestin is found in hair follicle progenitor cells, linking them to neural stem cells.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
October 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stem cell niche exit in C. elegans is influenced by Sh1 cell membrane protrusions.
9 citations
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.