45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
238 citations
,
October 1994 in “Current opinion in genetics & development” The document concludes that recent research has improved understanding of skin diseases and the balance between cell growth and differentiation in the epidermis.
7 citations
,
May 2024 in “Tissue Barriers” The skin's outer layer relies on lipids and proteins to protect against damage.
162 citations
,
December 2008 in “Stem Cells” Hair follicle stem cells can become corneal-like cells, potentially helping restore vision.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
42 citations
,
January 2003 in “International Journal of Gynecological Pathology” PEH in vulvar LS is common and needs careful diagnosis to avoid confusion with cancer.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
124 citations
,
December 1988 in “Differentiation” Trichocytic differentiation starts in cells with epithelial cytokeratins, transitioning to trichocytic cytokeratins in hair and gradually in nails.
4 citations
,
May 2012 in “Tissue Engineering and Regenerative Medicine” Scientists created three types of structures to help regrow hair follicles, and all showed promising results for hair regeneration.
49 citations
,
July 2006 in “British Journal of Dermatology” Calcifying epithelioma cells can differentiate into hair cortex and outer root sheath.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
November 2023 in “npj regenerative medicine” Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.
42 citations
,
September 1990 in “Journal of Investigative Dermatology” August 2015 in “PubMed Central” Epithelial-derived Pop-Up Keratinocytes (ePUKs) may enhance wound healing in regenerative medicine.
December 2010 in “HAL (Le Centre pour la Communication Scientifique Directe)” The cornea develops independently of the lens, following its own default pathway.
7 citations
,
March 1986 in “British Veterinary Journal” Canine skin has two main layers: the epidermis and dermis, with a supportive subcutis layer.
34 citations
,
June 2008 in “In vitro cellular & developmental biology. Animal” Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
14 citations
,
January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
48 citations
,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
10 citations
,
July 1984 in “British Journal of Dermatology” Epidermal cysts come from the skin, while pilar cysts come from hair follicles.
40 citations
,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
18 citations
,
November 2007 in “Acta Veterinaria Hungarica” The ovine interdigital sinus has a complex structure with three layers and various skin-like features.
January 2006 in “Journal of Sun Yat-sen University” Engineered skin using stem cells and collagen sponge effectively healed and regenerated complex skin features in mice.
January 2008 in “Yearbook of Dermatology and Dermatologic Surgery” One type of progenitor cell can maintain normal skin in mice.
85 citations
,
July 2012 in “Cold Spring Harbor perspectives in biology” The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.