- References (2)
- Inventor Info
|Applications||IHC IF IP WB|
|Antigen/Gene or Protein Targets||Involucrin|
|Reactivity||Dog, Human, Pig and Primate|
|Relevance||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.|
|Immunogen||Purified involucrin from human keratinocytes.|
|Research Area||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.
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