The New Keratin Nomenclature

October 2006 in “ Journal of Investigative Dermatology ”

Rebecca M. Porter

keratin hair follicle hair shaft inner root sheath dermatology

Studysummary This review discusses the evolution and revision of keratin protein nomenclature in light of genomic discoveries, reporting no new experimental results; the authors propose a new naming system for future keratin publications.

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research K25 (K25irs1), K26 (K25irs2), K27 (K25irs3), And K28 (K25irs4) Represent The Type I Inner Root Sheath Keratins Of The Human Hair Follicle

93 citations , July 2006 in “Journal of Investigative Dermatology”

This study describes the expression patterns of type I inner root sheath keratin proteins K25–K28 in human hair follicles, highlighting their distinct distribution within different layers.

research Characterization of New Members of the Human Type II Keratin Gene Family and a General Evaluation of the Keratin Gene Domain on Chromosome 12q13.13

92 citations , February 2005 in “Journal of Investigative Dermatology”

research Trichohyalin Mechanically Strengthens the Hair Follicle

108 citations , October 2003 in “Journal of biological chemistry/The Journal of biological chemistry”

This study documents that trichohyalin acts as a multi-functional cross-bridging protein in the inner root sheath of mouse hair follicles, enhancing mechanical strength by linking keratin filaments to the cell envelope.

research K6irs1, K6irs2, K6irs3, And K6irs4 Represent The Inner-Root-Sheath-Specific Type II Epithelial Keratins Of The Human Hair Follicle

130 citations , April 2003 in “Journal of Investigative Dermatology”

This study reports the cloning and expression details of two new human type II keratins, K6irs3 and K6irs4, in the hair follicle's inner root sheath, suggesting a distinct functional role related to hair structure.

research The Catalog of Human Hair Keratins

272 citations , September 2001 in “Journal of Biological Chemistry”

This study cataloged human type II hair keratins, detailing their expression and differentiation roles in hair follicles and comparing them with type I keratins to explore keratin-pairing principles.

research A Unique Type I Keratin Intermediate Filament Gene Family Is Abundantly Expressed in the Inner Root Sheaths of Sheep and Human Hair Follicles

41 citations , January 2001 in “Journal of Investigative Dermatology”

research The Catalog of Human Hair Keratins

235 citations , July 1999 in “Journal of biological chemistry/The Journal of biological chemistry”

This study establishes a catalog of human type I hair keratins and identifies their specific roles and expression patterns during hair differentiation and growth in scalp follicles.

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.