Cytokeratin 9 (CK9, K9)

Stains
Cytokeratin 9 (CK9, K9)

Author: Nat Pernick, M.D. (see Authors page)

Revised: 9 December 2015, last major update October 2013

Copyright: (c) 2003-2015, PathologyOutlines.com, Inc.

PubMed Search: CK9

Table of Contents

Definition / general | Uses by pathologists | Positive staining - normal | Additional references

Cite this page: Cytokeratin 9 (CK9, K9). PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stainsck9.html. Accessed July 12th, 2017.

Definition / general

Molecular weight of 64 kDa
Partner may be CK1
Regulated by dermal fibroblasts (J Invest Dermatol 1999;112:483)
Mutations cause epidermolytic palmoplantar keratoderma (J Invest Dermatol 1998;111:1207)

Uses by pathologists

No significant clinical use by pathologists

Positive staining - normal

Suprabasal epidermis of palms and soles (J Invest Dermatol 1999;112:483), spermatogenic cells (Mol Reprod Dev 2002;61:1)

Additional references

OMIM 607606
Wikipedia