52 citations
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January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
1 citations
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October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
7 citations
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March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
46 citations
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July 2015 in “Wound repair and regeneration” Keloid scars may form due to changes in skin cell characteristics and specific protein signaling.
November 2022 in “Journal of Investigative Dermatology” Low oxygen levels affect the behavior of certain proteins in human skin cells.
5 citations
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June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
32 citations
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August 2016 in “Science Signaling” Alopecia areata patients show unique protein activity patterns, suggesting imbalanced signaling pathways.
148 citations
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October 1997 in “Journal of Investigative Dermatology”
75 citations
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January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
40 citations
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November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
153 citations
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October 2007 in “Cell Stem Cell” New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.
23 citations
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May 2023 in “Cell Proliferation” TGF-β and FGF pathways are crucial for skin development and regeneration.
6 citations
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January 2014 in “The Journal of Advances in Parasitology” Dogs with sarcoptic mange may have altered thyroid function and blood changes.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
103 citations
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July 2001 in “Proceedings of the National Academy of Sciences” TGFβ1 expression in skin causes hair loss and skin thickening, but these effects are reversible.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
3 citations
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January 1989 in “PubMed” The review found that specific changes in scalp tissue can help diagnose different types of hair loss.
February 1988 in “Journal of the American Academy of Dermatology” 46 citations
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November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
1 citations
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January 2016 in “Journal of Clinical & Experimental Dermatology Research”
6 citations
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November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
6 citations
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April 2021 in “Scientific Reports” Phytochrome A is crucial for normal metabolism and development in tomato seedlings under far-red light.
4 citations
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August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
February 2026 in “Journal of Cellular Physiology” TGF-β3 controls stem cell growth and development, varying by cell type and conditions.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
42 citations
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September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
August 1994 in “Molecular Endocrinology” Changing protein kinase levels in pituitary cells affects calcium flow and beta-endorphin release.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
321 citations
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January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.