September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The hexosamine pathway helps maintain healthy skin by affecting the skin's structure and possibly increasing hair follicle stem cells.
62 citations
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December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
April 2024 in “International journal of molecular sciences” Dermal factors are crucial in regulating melanin production in skin.
2 citations
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January 2020 in “BioMed Research International” Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.
September 2017 in “Journal of Investigative Dermatology” Researchers created human cells that can turn into sebocytes, which may help study and treat skin conditions like acne.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the growth of goat hair follicles.
8 citations
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
November 2025 in “Journal of Microbiology and Biotechnology” Pea sprout extract may help hair regrow by reducing stress and inflammation.
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
4 citations
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
18 citations
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October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
165 citations
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October 2013 in “Nature Communications” Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.
33 citations
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August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
36 citations
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April 2016 in “Biochimie” A substance called epidermal growth factor helps increase the growth of important hair follicle cells by activating a specific cell communication route.
3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
2 citations
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February 2024 in “JAAD International” Sebaceous gland maturity and size differ between psoriatic alopecia and alopecia areata.
6 citations
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August 2022 in “Journal of Herbal Medicine” Mangosteen extract may help with hair growth and prevent graying.
November 2022 in “Journal of Investigative Dermatology” ILC1-like cells can cause alopecia areata by themselves.
17 citations
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May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
34 citations
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April 2018 in “EMBO journal” The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.
1 citations
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August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
419 citations
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
2 citations
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September 2010 in “Acta Ophthalmologica” Meibomian glands are like hair follicles without a hair shaft.
April 2026 in “Journal of Dermatology Research” The skin communicates with the nervous system, and targeting neurohormones like melatonin and oxytocin could help treat skin issues.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the growth of goat hair follicles.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Peach kernel extract may promote hair growth by boosting cell growth in hair follicles.