antibody

Anti-Involucrin, Recombinant [SY5]

152587

polyclonal

mouse

nonconjugated

3713

western blot, immunohistochemistry, immunocytochemistry, immunoprecipitation

152587

IHC IF IP WB

Involucrin

Dog, Human, Pig and Primate

Clone SY5 recognizes a protein of 66kDa-170kDa, identified as involucrin. In Western blotting of cultured human keratinocytes, this MAb reacts with a 120kDa protein. It stains the involucrin in a variety of sizes: 170kDa in MCF-7 cells, a doublet of ~115kDa and 150kDa in gorilla and owl monkey, 66kDa in dog, and a doublet of 105kDa in pig. Its epitope maps between codon 421-568 of human involucrin. Involucrin is expressed in a range of stratified squamous epithelia, including the cornea, which lacks a distinct cornified layer. In normal epidermis, it is first expressed in the upper spinous layers, and in keratinocyte cultures, all cells that have left the basal layer express it.Involucrin is a protein precursor of the epidermal cornified envelope and a differentiation marker of human keratinocytes. SY5 is useful for studies of changes in involucrin expression in pathological studies. Involucrin expression is altered in pathological conditions: in psoriasis and other benign epidermal hyperplasias, involucrin expression begins closer to the basal layer than normal; expression is abnormal in squamous cell carcinomas and premalignant lesions, and is reduced in severe dysplasias of the larynx and cervix.

Mouse

Purified involucrin from human keratinocytes.

IgG1

Cancer, Cell Signaling & Signal Transduction

There is weak reactivity with Canine Recombinant monoclonal antibody produced from the original monoclonal. Manufactured using Absolute Antibody’s Recombinant Platform with variable regions (i.e. specificity) from the hybridoma.

PBS only

1mg/ml