47 citations
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May 1994 in “Experimental Brain Research” The mystacial pad's innervation in adult rats is more complex than previously thought.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
November 2024 in “Journal of Investigative Dermatology” Nerve fibers may worsen mast cell activity, leading to abnormal elastic fiber buildup from sun exposure.
319 citations
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November 2005 in “Proceedings of the National Academy of Sciences” Hair follicle stem cells can help repair damaged nerves.
48 citations
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January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
31 citations
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
24 citations
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September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
26 citations
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April 1996 in “Journal of Investigative Dermatology”
November 2022 in “Journal of Investigative Dermatology” Scientists found a new type of skin cell that could help with skin repair and these cells work better with a certain protein.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Dopamine receptors in the brain influence itch-related scratching behavior.
1 citations
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October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
17 citations
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June 1994 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Tenascin is present in normal skin and certain skin tumors but not in sebaceous glands or their tumors.
419 citations
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
23 citations
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February 2004 in “British Journal of Dermatology” Keratin in mouse hair follicles is complex and plays specific roles.
1 citations
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October 2015 in “OakTrust (Texas A&M University Libraries)” Harp seals have different innervation patterns in their whiskers, with lateral whiskers having more axons than medial ones.
3 citations
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January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
Neuropeptides affect hair growth and could be used to control it.
January 2025 in “Nature Communications” Large-scale reconstructions enhance understanding of vibrissal sensory mapping in the brain.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain immune cells, when activated by specific signals, can encourage hair growth.
September 2021 in “Morphologia” Dermal fibroblasts have at least three distinct types, each with unique roles in skin structure and hair development.
36 citations
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June 1988 in “Australian Journal of Biological Sciences” Mouse epidermal growth factor injections in sheep affected wool growth and skin, but saline did not.
92 citations
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April 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.
61 citations
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November 2004 in “Annals of the Academy of Medicine Singapore” Hair follicle stem cells are mainly in the bulge region and can help repair skin and form hair and glands, but more research is needed to fully understand them.
3 citations
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May 2008 in “Journal of Visualized Experiments” Mouse Epidermal Neural Crest Stem Cells can become various cell types.
34 citations
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July 1958 in “Biochimica et Biophysica Acta” January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
1 citations
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June 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The symposium highlighted the skin's role in sensing itch, pain, touch, and pleasure, and discussed new research and techniques for understanding and treating these sensations.
85 citations
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January 1991 in “Journal of Investigative Dermatology” April 2023 in “Journal of Investigative Dermatology” PRP can improve hair growth in people with hair loss, but more research is needed.