October 2018 in “Current Opinion in Genetics & Development” The document emphasizes the importance of ongoing research and ethical considerations in genome editing and cellular reprogramming.
April 2016 in “Journal of Investigative Dermatology” Sonic hedgehog signaling is needed for the development of touch-receptor cells in the skin, and the loss of Polycomb repressive complex 2 can lead to more of these cells.
May 2015 in “Journal of Investigative Dermatology” Wnt-3a helps grow more skin stem cells, which could lead to new hair loss treatments.
Stem cells play a key role in nonmelanoma skin cancers, with different origins and genetic changes linked to basal and squamous cell carcinomas.
74 citations
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June 2018 in “Cell death and disease” Restoring mitochondrial function in mice reversed their skin wrinkling and hair loss.
August 2015 in “Free Radical Biology and Medicine” The study suggests that higher levels of SIRT1 and SIRT2 may improve overall cell health and aging processes.
1 citations
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August 2025 in “Epigenetics & Chromatin” H3K4me3 helps control RSPO3 to influence hair growth and development.
May 2022 in “Clinical Epigenetics” A mother's iron levels early in pregnancy can influence the DNA makeup of her child, potentially affecting the child's health.
36 citations
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July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
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.
38 citations
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August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
5 citations
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December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
166 citations
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August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
92 citations
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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
15 citations
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October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
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.
12 citations
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January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
5 citations
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January 2023 in “International Journal of Molecular Sciences” Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.
55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
March 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” HairTime can predict and adjust human sleep patterns using a hair sample.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
3 citations
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May 2016 in “Dermatology Online Journal” Changing estrogen levels during menopause might affect genes related to body rhythms and cause increased hair loss.
75 citations
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September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
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.
October 2014 in “Tesis Doctorals en Xarxa (Consorci de Serveis Universitaris de Catalunya)” Cell processes depend on time-of-day and protein complex flexibility for skin health.
191 citations
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September 2011 in “Cell stem cell” Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.
August 2013 in “eCommons (Cornell University)” Runx1 and CDK inhibitors help keep hair follicle stem cells inactive, affecting their future roles.
221 citations
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July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” BMAL1 controls skin cell growth and UV damage risk, peaking at night.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.
27 citations
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October 2021 in “Frontiers in Cell and Developmental Biology” There might be a specific histone code for cellular quiescence, but more research is needed.