September 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
January 2025 in “Diagnostics” Women with PCOS have distinct retinal changes compared to healthy women.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Topical gabapentin was safe and effective for treating scalp symptoms and promoting hair regrowth in cicatricial alopecias.
27 citations
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August 2003 in “Anais Brasileiros de Dermatologia” Neuropeptides affect skin inflammation, repair, and hair growth, with potential for therapy.
5 citations
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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
76 citations
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March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
24 citations
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March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
August 2025 in “Scientific Reports” Itchy keloids on the chest are linked to more nerve fibers and substance P.
April 2017 in “The Journal of urology/The journal of urology” SHH protein helps nerve regeneration in hypertensive rats.
142 citations
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September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
4 citations
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April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
7 citations
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September 2013 in “Tissue engineering. Part A” Hair follicle stem cells can become motor neurons and reduce muscle loss after nerve injury.
1 citations
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July 2008 in “PubMed” Human hair keratin helps regenerate rat sciatic nerves by transforming Schwann cells and protecting axons.
28 citations
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September 2002 in “The Journal of Comparative Neurology” Presynaptic inhibition of certain nerve fibers in cats is mainly controlled by GABA and glycine.
19 citations
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February 2013 in “Journal of Investigative Dermatology” Touch domes in human skin are complex sensory structures not directly linked to hair.
January 2021 in “Indian journal of veterinary pathology” A 15-year-old female labrador had a large ovarian tumor removed.
21 citations
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April 1990 in “Journal of comparative neurology” The study found that nerve signals are stronger when there are more connection points, but not necessarily denser, along the nerve's path in the spine.
January 2025 in “The International Journal of Gastroenterology and Hepatology Diseases” Vitamin B12 is crucial for hair and nerve health, and its malabsorption can cause hair loss and nerve damage.
June 2025 in “Proceedings of the National Academy of Sciences” A PIK3CA mutation in Schwann cells causes severe nerve damage and increased glycolysis, but early treatment can help.
6 citations
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September 2021 in “Experimental Brain Research” Rats have different touch receptors in their paws that help with movement and handling objects.
8 citations
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December 2020 in “The FASEB Journal” Blocking adenosine A2B receptor may prevent or treat hearing loss.
June 2023 in “Medeniyet medical journal” People with alopecia areata have similar retinal structures but thicker choroidal regions compared to those without the condition.
36 citations
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April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
1 citations
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January 2010 in “Acta Chirurgica Latviensis” Inflammation in psoriasis may trigger antimicrobial peptides and cell death.
August 2021 in “The Journal of Physiology” NKCC1 transporters help control neuron excitability and inhibition.
46 citations
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August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
1 citations
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July 1991 in “PubMed” MRI can show unusual brain changes in adrenomyeloneuropathy.
13 citations
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June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.