Hedgehog signaling can create new hair follicles in adult skin but may increase cancer risk.
January 2026 in “International Journal of Molecular Sciences” Hedgehog pathway inhibitors could be effective in treating melanoma.
131 citations
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March 2004 in “The American journal of pathology” Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.
January 2023 in “Figshare” Minor skin injuries can boost hair growth by increasing TNF-α.
1 citations
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October 2019 Neutrophils are important for causing chronic itch in atopic dermatitis, and blocking the CXCR3 receptor may reduce this itch.
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.
84 citations
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May 2008 in “Biological Chemistry” Human tissue kallikreins help regulate skin barrier functions and affect skin health.
February 2026 in “Advanced Science” TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.
253 citations
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April 2009 in “Journal of Biological Chemistry” p2y5, now called LPA6, is a receptor important for human hair growth.
91 citations
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May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
18 citations
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May 2023 in “Science Advances” Activating the sonic hedgehog pathway in chicken embryos can permanently change scales to feathers.
S1PR1 helps control inflammation in blood vessel cells by affecting gene activity differently in various cell types and locations.
January 2000 in “Medical Entomology and Zoology” 26 citations
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May 2016 in “Journal of biological chemistry/The Journal of biological chemistry” sPLA2-IIE is crucial for normal hair follicle structure and skin health.
Sensory neuron changes and Merkel-cell changes in the skin happen independently during normal skin maintenance.
19 citations
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April 2015 in “Developmental Dynamics” The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
5 citations
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June 2015 in “British Journal of Dermatology” A certain medication improved severe itching in a boy with liver and bowel disease by reducing histamine levels, suggesting a new treatment target.
33 citations
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January 1997 in “Journal of Investigative Dermatology”
24 citations
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March 2001 in “Journal of Endocrinology/Journal of endocrinology” Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
Lhx2 helps retinal cells respond to signals for eye development.
77 citations
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June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
2 citations
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January 2014 in “Journal of Cytology & Histology” Rapamycin and anti-EGFR antibody reduce LAM/TSC cell migration and blood vessel growth in the uterus.
59 citations
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April 2016 in “Cell Reports” EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.
December 2025 in “Frontiers in Immunology” Restoring nerve-macrophage communication may help treat autoimmune diseases.
83 citations
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November 2006 in “European Journal of Neuroscience” Progesterone protects rat brain cells by enhancing GABA A receptor activity.
3 citations
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September 2017 in “Stem cell investigation” PDGF signaling is crucial for maintaining fat stem cells in the skin, and its level of activation can either preserve these cells or cause fibrosis.
59 citations
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January 2005 in “Endocrine Journal” Sex steroids influence skin appendage function and neoplasm development, with changes in AR and ERalpha in certain gland neoplasms.
Sensory neuron remodeling and Merkel-cell changes in the skin happen independently.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
638 citations
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October 1997 in “Nature”