research Vibrissa hair bulge houses two populations of skin epithelial stem cells distinct by their keratin profile
There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
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research Skin structure
Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.
research Patterns of expression of trichocytic and epithelial cytokeratins in mammalian tissues II. Concomitant and mutually exclusive synthesis of trichocytic and epithelial cytokeratins in diverse human and bovine tissues (hair follicle, nail bed and matrix, lingual papilla, thymic reticulum)
Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
research Beauty is skin deep: the fascinating biology of the epidermis and its appendages.
The biology of skin and hair is complex and not fully understood.
research Catagen in the hairless house mouse
Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
research Different keratin polypeptides in epidermis and other epithelia of human skin: a specific cytokeratin of molecular weight 46,000 in epithelia of the pilosebaceous tract and basal cell epitheliomas.
Basal-cell epitheliomas and the pilosebaceous tract share a unique keratin, distinguishing them from other skin areas.
research The surface and internal features of pubic hair: A comparative study with those of scalp hair
Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
research Immunolocalization of Scaffoldin, a Trichohyalin‐Like Protein, in the Epidermis of the Chicken Embryo
Scaffoldin helps form hard skin structures in chicken embryos.
research Embryonic keratinization in vertebrates in relation to land colonization
Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
research Keratin formation in the hair follicle
Keratin fibrils in hair form and stop growing at specific points in the follicle.
research A STUDY OF THE DIFFERENTIATION PRODUCTS OF THE HAIR FOLLICLE CELLS WITH THE ELECTRON MICROSCOPE.
Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
research Facile and Efficient Enzymatic Methods for Harvesting or Removal of Cuticle Cells from Human Hair Shafts
The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
research Histological Investigation on the Structural Aspects of Adult Brown Bears' Skin
Brown bear skin has two main layers, with the thickest skin on the back and thinnest on the belly.
research Histological Study for Skin of Horse
Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
research Trichilemmoma.Cell biology of the normal human outer root sheath.
The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
research Ultrastructural visualization of cross-linked protein features in epidermal appendages
Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
research Dermo‐epidermal interactions in reptilian scales: Speculations on the evolution of scales, feathers, and hairs
Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
research Histological description of wild boar (Sus scrofa) skin from Timor Island
Wild boar skin from Timor Island has three layers with various structures like hair follicles and glands.
research The ultrastructure of the interfollicular epidermis of the hairless (hr/hr) mouse
research Isolation and Characterization of a Putative Keratin-Associated Protein Gene Expressed in Embryonic Skin of Mice
The 4C32 gene may help in mouse skin development and differentiation.
research Chapter 2 The Human Keratin Genes and Their Differential Expression
Different keratin proteins are expressed in various epithelial cells at different stages, affecting cell structure and function.
research A Novel Epithelial Keratin, hK6irs1, is Expressed Differentially in All Layers of the Inner Root Sheath, Including Specialized Huxley Cells (Flügelzellen) of the Human Hair Follicle
A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
research Ultrastructural localization of hair keratins, high sulfur keratin-associated proteins and sulfhydryl oxidase in the human hair
Hair proteins change location and structure as hair cells mature.
research Integral Lipid in Human Hair Follicle
The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
research Acidic and basic hair/nail ("hard") keratins: their colocalization in upper cortical and cuticle cells of the human hair follicle and their relationship to "soft" keratins.
Hair and nail cells share similar proteins, indicating a common differentiation pathway.
research Influence of Hair Growth Cycle on Lipid Composition of Mouse Epidermis and Dermis.
Hair growth stages don't significantly change lipid content in mouse skin.
research Ultrastructural characteristics of trichilemmal cysts: report of two cases
Trichilemmal cysts may form from hair follicle outer root sheath growth.
research Morphological and histological observations on the hair brush of Endoclita vietnamensis (Lepidoptera, Hepialidae)
The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
research Sequence and Expression of Murine Type I Hair Keratins mHa2 and mHa3
mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.
research K25 (K25irs1), K26 (K25irs2), K27 (K25irs3), and K28 (K25irs4) Represent the Type I Inner Root Sheath Keratins of the Human Hair Follicle
K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.