22 citations
,
September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
47 citations
,
May 2012 in “Wiley Interdisciplinary Reviews-Developmental Biology” The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
53 citations
,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
29 citations
,
January 2003 in “Dermatology” The condition called 'acute diffuse and total alopecia of the female scalp' is actually a known condition named alopecia areata incognita.
28 citations
,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
27 citations
,
January 2002 in “Exogenous Dermatology” Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
1 citations
,
August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Scientists made a mouse that shows how a specific protein in the skin changes and affects hair growth and shape.
10 citations
,
June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
January 2023 in “Journal of applied animal research” Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
7 citations
,
April 2019 in “Animal biotechnology” The POMP gene is active in various goat tissues and affects hair growth, with certain treatments influencing its expression.
The FOS gene helps hair growth in Tan sheep.
1 citations
,
April 2024 in “Science Advances” Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
November 2025 in “animal” Certain genes in European Merino sheep help them adapt to different climates.
7 citations
,
January 2008 in “Indian Journal of Dermatology” Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.
3 citations
,
January 2023 in “International journal of molecular sciences” Certain miRNAs play a key role in the growth of cashmere by affecting hair follicle development and regeneration.
The white wax scale insect's genome shows that complete metamorphosis evolved earlier than thought and highlights differences in male and female development.
3 citations
,
March 2025 in “Science Advances” A specific DNA duplication in Polish chickens affects feather shape by altering gene expression.
10 citations
,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
1 citations
,
June 2025 in “Frontiers in Genetics” Key genes IRF2BP2 and EGFR are linked to Hetian sheep's double-coat fleece.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
8 citations
,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
March 1994 in “Proceedings of the British Society of Animal Production” Angora goats produce more hair faster than Cashmere goats.
7 citations
,
January 2001 in “Annales de zootechnie” Melatonin treatment increases wool production and improves fiber quality in angora rabbits.
1744 citations
,
August 2006 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic Ovary Syndrome should be seen mainly as a condition of excess male hormones, with a focus on this in its definition.
1540 citations
,
October 2008 in “Fertility and Sterility” The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.