November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
December 2023 in “Royal Society of Chemistry eBooks” Nails are a useful alternative to hair for analyzing long-term substance exposure.
253 citations
,
March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
110 citations
,
January 1983 in “Brain Research Reviews” Monkey lips have dense sensory nerves similar to those in other skin areas, explaining their sensitivity.
59 citations
,
August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
37 citations
,
May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
13 citations
,
August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
7 citations
,
January 1995 in “The Indian Journal of Animal Sciences” The Indian buffalo teat has a melanin-rich epidermis, no hair follicles, and a complex structure with muscle, blood vessels, and immune cells.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
2 citations
,
October 2007 in “Kafrelsheikh Veterinary Medical Journal” Buffalo lips are well-suited for eating plants.
September 2023 in “SKIN The Journal of Cutaneous Medicine” Talquetamab may cause hair loss and skin issues.
February 2023 in “Mağallaẗ Tikrīt li-l-ʻulūm al-ṣirfaẗ/Tikrit journal of pure science” Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
August 2013 in “日本医療薬学会年会講演要旨集” Hair contains complex lipids, including cholesterol and fatty acids, similar to skin.
May 2005 in “Zhonghua chuangshang guke zazhi” Human hair keratin can help nerve regeneration and is a promising material for nerve repair.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
61 citations
,
February 1982 in “Cell and Tissue Research” 82 citations
,
January 2006 in “International review of cytology” Vertebrate skin evolved to be more specialized and complex, especially in land animals.
44 citations
,
May 2008 in “Acta Zoologica” Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
3 citations
,
September 2005 in “Experimental dermatology” The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.
95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
425 citations
,
August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.