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Merck

SAB4200855

Sigma-Aldrich

Anti-Cytokeratin Peptide 18 antibody, Mouse monoclonal

clone CY-90, purified from hybridoma cell culture

別名:

Anti-CK18

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About This Item

UNSPSCコード:
12352203

抗体製品の状態

purified from hybridoma cell culture

品質水準

抗体製品タイプ

primary antibodies

クローン

CY-90, monoclonal

形状

liquid

化学種の反応性

human

濃度

~1 mg/mL

テクニック

immunoblotting: suitable
immunohistochemistry: 10-20 μg/mL using heat-retrieved formalin-fixed, paraffin-embedded human placenta sections

アイソタイプ

IgG1

UniProtアクセッション番号

輸送温度

dry ice

保管温度

−20°C

ターゲットの翻訳後修飾

unmodified

詳細

Intermediate filaments (IFs) are one of three major cytoskeletal filament assemblies in higher eukaryotes.6 Keratins (formerly known as “cytokeratins”) comprise of types I and II IF genes (given a total of 54 conserved genes) that are highly expressed primarily in epithelial cells hair and skin appendages. Cytokeratins are the largest subgroup of IF in mammals and are the predominant subtype of IFs in all epithelia.6,7 Cytokeratins form a 10-nm filaments comprised of type I and II cytokeratine heteropolymer.7

特異性

Monoclonal Anti-Cytokeratin Peptide 18 antibody specifically recognizes cytokeratin peptide 18 in human cultured cell lines as well as human tissue extracts. The antibody also shows reactivity with samples from rat1 and monkey2 origin. The antibody reacts specifically with a wide variety of simple epithelia (e.g. intestine, respiratory and urinary systems, liver and glandular epithelia). It does not react with stratified squamous epithelia (e.g. esophagus or epidermis) or with non-epithelial cells.

アプリケーション

The antibody may be used in various immunochemical techniques including Immunoblotting (~45 kDa)3, Immunofluorescence1-2, Immunoprecipitation4 and Immunohistology5.

生物化学的/生理学的作用

Cytokeratins provide the cells with structural support, resistance to chemical stresses and maintenance of a polarized cytoarchitecture.6 Each epithelial tissue has a specific expression pattern of cytokeratins, which makes them common and excellent pathology markers for tumor identification, classification and epithelial cell differentiation.6,7
Cytokeratin 18 is a member of the type I subfamily. Cytokeratin pair 8/18 forms the IF scaffold predominantly in simple epithelia such as the liver and pancreas. They have major role in the mechanical support of the cell, protein biosynthesis, protection from apoptosis, regulation of cell cycle progression, motility and organelle transport.3
Cytokeratins over and misexpression are linked to various diseases and more than 60 different disorders (termed as keratinopathies) have been linked to inherited cytokeratin changes. Cytokeratins (such as cytokeratin 18) serve as serum markers for malignant and non-neoplastic disorders and mutation of human cytokeratin 18 has also been associated with liver diseases.7

物理的形状

Supplied as a solution in 0.01 M phosphate buffered saline pH 7.4, containing 15 mM sodium azide as a preservative. Antibody Concentration: ~ 1.0 mg/mL

保管および安定性

For continuous use, store at 2-8°C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

免責事項

Unless otherwise stated in our catalog  our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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保管分類コード

12 - Non Combustible Liquids

WGK

WGK 1

引火点(°F)

Not applicable

引火点(℃)

Not applicable


試験成績書(COA)

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文書ライブラリにアクセスする

Diana M Toivola et al.
Current opinion in cell biology, 32, 73-81 (2015-01-21)
The cytoprotective keratins (K) compose the intermediate filaments of epithelial cells and their inherited and spontaneous mutations give rise to keratinopathies. For example, mutations in K1/K5/K10/K14 cause epidermal skin diseases whereas simple epithelial K8/K18/K19 variants predispose to development of several
Jameela Khan et al.
Journal of virology, 85(19), 9984-9997 (2011-07-15)
The human papillomavirus (HPV) type 16 E1^E4 (16E1^E4) protein is expressed in the middle to upper layers of infected epithelium and has several roles within the virus life cycle. It is apparent that within the epithelium there are multiple species
U Fuchs et al.
The American journal of pathology, 141(1), 169-181 (1992-07-01)
A group of 52 patients with malignant uveal melanoma treated by primary enucleation in 1977-1979 was studied to determine the frequency of immunoreactivity for cytokeratins (CK) in primary and metastatic melanoma, the CK types present, and the prognostic significance of
Thomas Brabletz et al.
Cancer research, 64(19), 6973-6977 (2004-10-07)
The homeobox transcription factor Cdx2 specifies intestinal development and homeostasis and is considered a tumor suppressor in colorectal carcinogenesis. However, Cdx2 mutations are rarely found. Invasion of colorectal cancer is characterized by a transient loss of differentiation and nuclear accumulation

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