Outer Root Sheath Cells Organize Into Epidermoid Cyst-Like Spheroids When Cultured Inside Matrigel: A Light-Microscopic and Immunohistological Comparison Between Human ORS Cells and Interfollicular Keratinocytes

January 1994 in “ Cell and Tissue Research ”

Alain Limat, Dirk Breitkreutz, Thomas Hunziker, Christophe Klein, Friedrich Noser, Norbert E. Fusenig, Lasse R. Braathen

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research Phenotypic Modulation of Human Hair Matrix Cells by Environmental Influence In Vitro and In Vivo

11 citations , April 1993 in “PubMed”

In this study, trichocytes were shown to have potential for alternative differentiation, with mesenchymal cell influences playing a critical role in determining this process.

research Expression of Keratin K14 in the Epidermis and Hair Follicle: Insights Into Complex Programs of Differentiation

198 citations , November 1989 in “The Journal of Cell Biology”

This study reported that K14 expression patterns and keratin filament organization in human skin's hair follicles differ from those in the epidermis, indicating distinct differentiation programs.

research Keratins of the Human Hair Follicle: Hyperproliferative Keratins Consistently Expressed in Outer Root Sheath Cells In Vivo and In Vitro

135 citations , November 1987 in “Differentiation”

This study found that cultured outer root sheath cells from human hair follicles expressed a keratin profile similar to their in vivo environment, indicating environmental influence on keratin expression.

research Organotypic Culture of Outer Root Sheath Cells from Human Hair Follicles Using a New Culture Device

35 citations , August 1987 in “In Vitro Cellular & Developmental Biology - Plant”

The new device improves human hair follicle cell growth and differentiation.

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

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

356 citations , December 1986 in “The journal of cell biology/The Journal of cell biology”

This study found that specific human hair keratins are differentially expressed in the hair follicle, suggesting a shared pathway of epithelial differentiation between hair cortex and nail plate cells.

research The Complement of Native Alpha-Keratin Polypeptides of Hair-Forming Cells: A Subset of Eight Polypeptides That Differ from Epithelial Cytokeratins

198 citations , October 1986 in “Differentiation”

research Outer Root Sheath Keratinization in Anagen and Catagen of the Mammalian Hair Follicle: A Seventh Distinct Type of Keratinization in the Hair Follicle - Trichilemmal Keratinization

59 citations , August 1981 in “PubMed”

This study describes trichilemmal keratinization as a distinct process of hair follicle keratinization that occurs in specific areas of the outer root sheath, illustrated using electron microscopy on dog hair.