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K0253

Sigma-Aldrich

Keratin from human epidermis

aqueous solution

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About This Item

Número CAS:
Número MDL:
Código UNSPSC:
12352202
NACRES:
NA.61

fonte biológica

human epidermis

Ensaio

≥90% (SDS-PAGE)

forma

urea solution

técnica(s)

ELISA: suitable

nº de adesão UniProt

temperatura de armazenamento

2-8°C

Informações sobre genes

human ... KRT1(3848)

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Descrição geral

Keratins are characteristic intermediate filament proteins of the epithelia. In human, keratin is classified into type I and type II. About 54 genes encodes for the keratin protein. The keratin 1 (KRT1) gene is mapped to human chromosome 12q13.13. It is the primary component of hair, skin and nails.

Aplicação

Keratin from human epidermis has been used:
  • as an analyte and a cross-reactant in the antibody-immobilized chip for testing selectivity coefficients
  • as a standard in extracellular matrix (ECM) protein in in vitro protein degradation assays.
  • asa a standard in enzyme linked immunosorbent assay (ELISA)

Ações bioquímicas/fisiológicas

Keratins are important for the mechanical stability and integrity of epithelial cells and tissues. Some keratins also have regulatory functions and are involved in intracellular signaling pathways, e.g. protection from stress, wound healing, and apoptosis. This diverse group of cytoskeletal scaffolding proteins form intermediate filament networks which provide structural support to keratinocytes that maintain the integrity of the skin. Expression of keratin genes is usually regulated by differentiation of the epidermal cells within the stratifying squamous epithelium.

forma física

Solution in 8 M urea, 50 mM Tris, 0.1 M β-mercaptoethanol and 0.1% sodium azide, pH 8.4

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Skin Sens. 1

Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Cornelia Kröger et al.
The Journal of cell biology, 201(5), 681-692 (2013-05-22)
Maintenance of epithelial cell adhesion is crucial for epidermal morphogenesis and homeostasis and relies predominantly on the interaction of keratins with desmosomes. Although the importance of desmosomes to epidermal coherence and keratin organization is well established, the significance of keratins
Keratin-based Biomaterials and Bioproducts, 5-5 (2017)
[Sinonasal neoplasms].
Zhan-bo Wang et al.
Zhonghua bing li xue za zhi = Chinese journal of pathology, 42(1), 50-51 (2013-04-25)
Comparison of biomarkers in exhaled breath condensate and bronchoalveolar lavage
Jackson AS, et al.
American Journal of Respiratory and Critical Care Medicine, 175(3), 222-227 (2007)
Christian Mozet et al.
Anticancer research, 33(6), 2415-2424 (2013-06-12)
The hedgehog signaling pathway (HH) is involved in tumorigenesis in a variety of human malignancies. In head and neck squamous cell carcinomas (HNSCC), Hh overexpression was associated with poor prognosis. Therefore, we analyzed the effect of Hh signaling blockade with

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