38 citations,
July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
29 citations,
December 2004 in “Developmental biology” cDermo-1 causes dense skin, feathers, and scales in chickens.
1 citations,
July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
1 citations,
December 2019 in “International journal of innovative technology and exploring engineering” Fish scale-based organic hair oil and shampoo may improve hair health and prevent damage.
7 citations,
January 2019 in “Aesthetic Plastic Surgery” Patients felt happier with their looks and younger after hair transplant surgery, but their well-being and social life didn't change much.
2 citations,
August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.
The document concludes that dermatology training and grading scales need to better represent dark-skinned individuals to improve diagnosis and assessment of skin conditions.
May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of TET2 increases the risk of skin and oral cancer.
5 citations,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
January 1998 in “Dermatologic Surgery” 86 citations,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
26 citations,
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.
1 citations,
May 2023 in “Journal of molecular evolution” Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.
January 2015 in “Springer eBooks” Ichthyoses are skin disorders causing scales, with treatment depending on type and severity.
11 citations,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
4 citations,
June 2023 in “Journal of developmental biology” The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.
72 citations,
December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
9 citations,
July 1993 in “Archives of dermatology” Pityriasis amiantacea is a scalp condition with thick, greasy scales and sometimes hair loss.
September 2013 in “Science” Human stem cells can aid stroke recovery, research experiences boost students' career aspirations, minoxidil may reduce cancer spread, a molecule can slow tumor growth, a protein affects water flow in cells, magnesium behaves differently at tiny scales, and a new method detects slow-moving objects.
53 citations,
September 2007 in “Veterinary dermatology” Allergic cats with yeast overgrowth improved with antifungal treatment.
33 citations,
November 1999 in “The Veterinary clinics of North America. Small animal practice/Veterinary clinics of North America. Small animal practice” Dogs with zinc-responsive dermatosis need zinc supplements or dietary changes for treatment.
27 citations,
July 1997 in “PubMed” The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.
15 citations,
March 2016 in “The American Journal of Dermatopathology” Demodex mites rarely cause scalp infections leading to hair loss, but when they do, treatment is effective.
14 citations,
December 2013 in “Anais Brasileiros De Dermatologia” A woman with long-term scalp psoriasis developed rare scarring hair loss that didn't fully respond to treatments.
11 citations,
January 2020 in “BMC pediatrics” New mutations in the SLC39A4 gene found in twins help understand the genetic cause of acrodermatitis enteropathica.
9 citations,
January 2008 in “Medical mycology” A dog's skin infection caused by the fungus Chaetomium globosum was effectively treated with ketoconazole.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
6 citations,
November 1999 in “Mycoses” A man in Japan got better from a scalp fungal infection using terbinafine.
1 citations,
December 2021 Cats likely have a reactive skin condition, while dogs may have a more complex, possibly cancerous one.