77 citations
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June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
October 2024 in “Skin Appendage Disorders” Some people grow more hair on one side of their scalp, possibly due to genetics, behavior, or environment.
2 citations
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June 2019 in “International Journal of Dermatology” The modified hair loss classification is more detailed but less user-friendly.
23 citations
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July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
17 citations
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May 2021 in “Journal of Cell Science” N1-acetylspermidine promotes hair follicle stem cell self-renewal.
9 citations
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July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
August 2024 in “STAR Protocols” The document provides a detailed method for analyzing gene expression in skin samples with hair follicles.
A new imaging method helps see and study touch nerve endings in mouse skin.
6 citations
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March 1996 in “Journal of Investigative Dermatology” 28 citations
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June 2015 in “Journal of circadian rhythms” An individual's morning or evening preference can predict changes in their body clock gene expression.
12 citations
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July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
1 citations
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March 2023 in “Journal of the Turkish Academy of Dermatology” Temporal triangular alopecia may be linked to sebaceous nevus and shows a new pinkish background feature.
1 citations
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January 2015 ERK activation spreads between cells, influencing cell division and wound healing.
92 citations
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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
6 citations
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July 2001 in “PubMed” Simulated microgravity affects root hair growth direction.
1 citations
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April 2024 in “Acta Biochimica et Biophysica Sinica” The study identifies four distinct zones in the fetal vaginal epithelium, enhancing understanding for potential applications in women's health.
November 2025 in “Journal of Investigative Dermatology” Disrupted cell interactions in hair follicles contribute to hair loss in androgenetic alopecia.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.
79 citations
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November 2010 in “Journal of Neuroscience” Hair clipping can trigger axon growth and changes in the skin.
January 2000 in “Medical Entomology and Zoology”
March 2024 in “medRxiv (Cold Spring Harbor Laboratory)” Recent selection on immune response genes was identified across seven ethnicities.
11 citations
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May 2010 in “Pigment Cell & Melanoma Research” Two genes, Tabby and Ticked, determine cat coat patterns.
May 2023 in “Experimental Dermatology” Male pattern hair loss may be linked to the developmental origins of hair follicles.
3 citations
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June 2024 in “iScience” Axolotl spinal cord regeneration may be controlled by a specific signal affecting cell sensitivity and diffusion.
2 citations
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August 2012 in “Cell Stem Cell” The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.
112 citations
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February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
October 2021 in “Journal of Investigative Dermatology” Dkk4 protein is necessary for the proper development and arrangement of hair follicles.
Raptor and Rictor have stable expression in hair cycles, with Raptor marking stem cells and Rictor involved in hair shaft formation.
85 citations
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May 2019 in “Journal of neuroendocrinology” The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.