June 2008 in “Society for the Study of Human Biology” Weather changes and lack of food might affect polycystic ovary syndrome.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
109 citations
,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
October 2011 in “InTech eBooks” Menstrual cycles can be irregular for women of childbearing age.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
July 2024 in “Journal of Investigative Dermatology” 17 citations
,
August 1971 in “Journal of Investigative Dermatology”
January 2022 in “Figshare” Melatonin affects when and how goat hair grows by changing gene activity at different stages.
1 citations
,
January 2016 in “Journal of Biosciences and Medicines” The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.
249 citations
,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
14 citations
,
September 2014 in “Journal of Pediatric and Adolescent Gynecology” Irregular menstrual cycles in teenagers are linked to a higher risk of polycystic ovary syndrome and metabolic syndrome.
24 citations
,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
4 citations
,
July 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” BLMP-1 is important for regular molting and gene expression cycles in worms.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
9 citations
,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.
1 citations
,
October 2025 in “Nature Communications” Cell size controls when stem cells divide.
May 2026 in “Journal of Investigative Dermatology” 25 citations
,
February 1977 in “American Journal of Veterinary Research” Increasing daylight to 16 hours in winter can make mares ovulate and cycle earlier.
49 citations
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May 2018 in “Endocrine” Women with regular menstrual cycles and PCOS have linked kisspeptin and LH hormone patterns, unlike those with irregular cycles.
22 citations
,
April 2023 in “The Journal of Cell Biology” Calcium signaling in skin cells is crucial for communication and regeneration.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
12 citations
,
August 2016 in “Current opinion in genetics & development” Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.
14 citations
,
December 2003 in “International Journal of Cosmetic Science” Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.
149 citations
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July 2017 in “PLoS Biology” Hair follicle patterns form through a mix of self-organization and signaling interactions.
5 citations
,
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Cell size independently controls when stem cells divide.
2 citations
,
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Neural stem cells use local feedback to maintain balance in the adult brain.
53 citations
,
July 1981 in “Journal of Endocrinology” α-MSH and cyclic AMP boost melanin production, while cyclic GMP and melatonin reduce it.
48 citations
,
May 2019 in “Genome Biology” Researchers found that certain RNA circles in the brain are linked to disease risk, but their exact role in disease is still unknown.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.