174 citations
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July 2003 in “The Journal of Clinical Endocrinology & Metabolism” Five new mutations in the androgen receptor gene were found, helping to understand androgen insensitivity syndrome better.
1 citations
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April 2007 in “The FASEB Journal” Lack of certain fatty acids causes skin, immune, and fertility issues in mice.
4 citations
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January 2013 in “European Journal of Dermatology” Epigenetic differences affect hair loss in identical Japanese male twins.
August 2018 in “Journal of Investigative Dermatology” Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
Certain genes may influence hair loss differently in men and women.
1 citations
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October 2025 in “Biology of Sex Differences” Gender and social factors, not just biology, affect COVID-19 death rates.
February 2024 in “Heliyon” People with androgenetic alopecia have different lipid levels in their blood, which vary between men and women, and may be linked to a higher risk of metabolic syndrome.
48 citations
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July 1988 in “PubMed” Rhino mice show significant meibomian gland changes, making them a potential model for studying gland disorders.
March 2013 in “European Urology Supplements”
10 citations
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November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
4 citations
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January 2012 in “Springer eBooks” The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
11 citations
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January 2011 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Adolescents and young adults with Prader-Willi syndrome show a range of sexual interests and behaviors.
81 citations
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September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
31 citations
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September 2016 in “PLoS ONE” Cell division orientation varies by body site and is linked to epidermal thickness and cell density.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
8 citations
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June 2014 in “PubMed” Men are more likely to have larger basal cell carcinomas and squamous cell carcinomas, while women have more superficial basal cell carcinomas and tumors on their legs and central face.
26 citations
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August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
26 citations
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April 2011 in “British Journal of Dermatology” New mutations in the DSG4 gene cause a rare hair condition.
13 citations
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February 2015 in “Journal of Pharmaceutical Sciences” Three finasteride forms exist; "form X" doesn't.
8 citations
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December 2022 in “International journal of molecular sciences” Mice without the enzyme HSD17B3 still produce normal testosterone, suggesting they have different ways to make it compared to humans.
74 citations
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January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
6 citations
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May 2013 in “PloS one” The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.
125 citations
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August 2020 in “Frontiers in Immunology” Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.
January 2014 in “Duo Research Archive (University of Oslo)” Steroid hormones may affect sexual maturation in cod by altering certain KCa channel expressions.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
22 citations
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January 2021 in “Clinical Therapeutics” Men face more severe COVID-19 outcomes, while women are more likely to have long-term symptoms.
25 citations
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September 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
13 citations
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September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
15 citations
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.