83 citations
,
May 2011 in “Experimental Dermatology” Sheep have 17 keratin genes, similar to humans, but with different expression patterns affecting wool and hair.
25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
21 citations
,
December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
16 citations
,
January 2015 in “Genetics and Molecular Research” The research helps improve wool quality and aids human hair research.
9 citations
,
April 2019 in “Bioscience, biotechnology, and biochemistry” Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.
9 citations
,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
7 citations
,
January 1997 in “Bioscience Biotechnology and Biochemistry” Sheep hair follicle transglutaminases are calcium-dependent.
5 citations
,
October 2022 in “BMC genomics” Certain microRNAs are important for sheep hair follicle development and could help improve wool quality.
4 citations
,
March 2024 in “Cells” MiR-23b and miR-133 affect sheep hair growth by targeting specific genes.
1 citations
,
June 2016 in “Yāftah/hā-yi nuvīn dar ̒ulūm-i zīstī” Sheep testis extract significantly improves wound healing and hair growth in rats.
1 citations
,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
April 2025 in “Frontiers in Animal Science” Sheep exosomes can enhance hair growth in mice.
September 2020 in “Benha Veterinary Medical Journal” Sheep with skin diseases often have lower levels of certain trace elements and vitamin A, and higher oxidative stress and immunoglobulin E levels.
October 2019 in “Research Square (Research Square)” Certain circular RNAs may regulate wool follicle growth in sheep.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
January 2009 in “Xumu shouyi xuebao” Sheep cells were successfully modified to include a spider silk protein gene.
66 citations
,
March 1998 in “Mayo Clinic Proceedings” Removing a testosterone-producing tumor cured a woman's sleep apnea and other symptoms.
62 citations
,
July 2017 in “Endocrine connections” Adults with polycystic ovary syndrome are much more likely to have obstructive sleep apnea.
53 citations
,
January 2012 in “Fertility and Sterility” Women with PCOS are more likely to have sleep apnea, mainly if they are obese.
6 citations
,
January 2021 in “Journal of Cosmetic Dermatology” Poor sleep during the pandemic may increase stress and worsen hair loss conditions.
5 citations
,
August 2018 in “International Journal of Dermatology” Men with sleep apnea and low iron levels are more likely to have male-pattern baldness, especially if they have a family history of hair loss.
4 citations
,
February 2022 in “The Journal of Urology” Poor sleep, physical health, depression, and anxiety can worsen urinary problems in men.
November 2025 in “Journal of Sleep Research” Iron levels are linked to sleep apnea severity, especially in women with hair loss.
December 2023 in “Palestinian medical and pharmaceutical journal/Palestinian medical & pharmaceutical journal” Increasing sleep by 41 minutes daily for a month showed no significant changes in metabolism or hormone levels in healthy women.
Neurosteroids help regulate oxytocin levels, especially during stress and pregnancy, to protect against premature labor.
January 2013 in “Journal of Practical Dermatology” Hair loss, especially alopecia areata, is linked to poor sleep and emotional stress.
May 1981 in “Inpharma (Balgowlah)” Medroxyprogesterone acetate improved sleep apnea symptoms in some obese patients.
January 2020 in “Skinmed” Finasteride use is linked to a higher risk of obstructive sleep apnea.
Finasteride use is linked to a higher risk of obstructive sleep apnea.
35 citations
,
November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” DNA methylation changes in Tan sheep affect growth and fur traits.