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Product Name Keratin 4 Chinese Name 细胞角蛋白4Recombinant rabbit monoclonal anti Alias CK 4; CK4; CYK 4; CK-4; CYK4; Cytokeratin4; Cytokeratin-4; FLJ31692; K4; Keratin 4; Keratin-4; Keratin type II cytoskeletal 4; Keratin4; KRT 4; KRT4; K2C4_HUMAN; Keratin, type II cytoskeletal 4; K4; Type-II keratin Kb4. Research Area Tumour Signal transduction epithelial cells Immunogen Species Rabbit Clonality Monoclonal Clone NO. C2H9 React Species Human, Applications IHC-P=1:1000-1:5000 (Paraffin sections need antigen repair)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.Theoretical molecular weight 57kDa Cellular localization The nucleus cytoplasmic Form Liquid Concentration 1mg/ml immunogen KLH conjugated synthetic peptide derived from human Keratin 4 Lsotype IgG Purification affinity purified by Protein A Buffer Solution 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol. Storage Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. Attention This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. PubMed PubMed Product Detail The protein encoded by this gene is a member of the keratin gene family. The type II cytokeratins consist of basic or neutral proteins which are arranged in pairs of heterotypic keratin chains coexpressed during differentiation of simple and stratified epithelial tissues. This type II cytokeratin is specifically expressed in differentiated layers of the mucosal and esophageal epithelia with family member KRT13. Mutations in these genes have been associated with White Sponge Nevus, characterized by oral, esophageal, and anal leukoplakia. The type II cytokeratins are clustered in a region of chromosome 12q12-q13. [provided by RefSeq, Jul 2008]
Subunit:
Heterotetramer of two type I and two type II keratins. Keratin-4 is generally associated with keratin-13.
Tissue Specificity:
Detected in the suprabasal layer of the stratified epithelium of the esophagus, exocervix, vagina, mouth and lingual mucosa, and in cells and cell clusters in the mucosa and serous gland ducts of the esophageal submucosa (at protein level). Expressed widely in the exocervix and esophageal epithelium, with lowest levels detected in the basal cell layer.
DISEASE:
Defects in KRT4 are a cause of white sponge nevus of cannon (WSN) [MIM:193900]. WSN is a rare autosomal dominant disorder which predominantly affects non-cornified stratified squamous epithelia. Clinically, it is characterized by the presence of soft, white, and spongy plaques in the oral mucosa. The characteristic histopathologic features are epithelial thickening, parakeratosis, and vacuolization of the suprabasal layer of oral epithelial keratinocytes. Less frequently the mucous membranes of the nose, esophagus, genitalia and rectum are involved.
Similarity:
Belongs to the intermediate filament family.
SWISS:
P19013
Gene ID:
3851
Database links:Entrez Gene: 3851 Human
Omim: 123940 Human
SwissProt: P19013 Human
Unigene: 654610 Human
Unigene: 706527 Human
结构蛋白(Structural Proteins) 细胞角蛋白是一类与结构相关的蛋白家族,他们在epithelial cells中形成了Cytoskeleton中间丝。角蛋白在epithelial cells中往往成对存在,具有组织和细胞特异性。存在于口腔黏膜、鼻腔、食道和肛门生殖器上皮中的特异角蛋白为CK4和CK13。CK4是II型角蛋白,普遍存在于非角质化的鳞状epithelial cells中,CK4表达于基底细胞,也表达于鳞状细胞癌。Product Picture Tissue: Human tonsil
Section type: Formalin fixed & Paraffin -embedded section
Retrieval method: High temperature and high pressure
Retrieval buffer: Tris/EDTA buffer, pH 9.0 Primary ab dilution: 1:5000
Primary ab incubation condition: 1 hour at room temperature
Secondary ab: SP Kit(Rabbit) (sp-0023)
Counter stain: Hematoxylin (Blue)
Comment: Color brown is the positive signal for SLM-60219R
Tissue: Human esophagus
Section type: Formalin fixed & Paraffin -embedded section
Retrieval method: High temperature and high pressure
Retrieval buffer: Tris/EDTA buffer, pH 9.0 Primary ab dilution: 1:5000
Primary ab incubation condition: 1 hour at room temperature
Secondary ab: SP Kit(Rabbit) (sp-0023)
Counter stain: Hematoxylin (Blue)
Comment: Color brown is the positive signal for SLM-60219R
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