CD20 antibody; CK 20 antibody; CK-20 antibody; CK20 antibody; Cytokeratin-20 antibody; Cytokeratin20 antibody; K1C20_HUMAN antibody; K20 antibody; KA20 antibody; Keratin 20 antibody; keratin 20, type I antibody; keratin 21, rat, homolog of antibody; Keratin antibody; Keratin type I cytoskeletal 20 antibody; Keratin-20 antibody; Keratin20 antibody; KRT 20 antibody; KRT 21 antibody; KRT20 antibody; KRT21 antibody; MGC35423 antibody; OTTHUMP00000164518 antibody; Protein IT antibody; type I cytoskeletal 20 antibody
Raised in
Rabbit
Species Reactivity
Human,Mouse,Rat
Immunogen
Synthesized peptide derived from the C-terminal region of Human Cytokeratin 20.
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Isotype
IgG
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Form
Liquid
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Plays a significant role in maintaining keratin filament organization in intestinal epithelia. When phosphorylated, plays a role in the secretion of mucin in the small intestine.
Gene References into Functions
Carcinoid-like/labyrinthine pattern of cell arrangement in vimentin/cytokeratin 20 expressing sebaceous neoplasms may represent a morphological phenotype of sebaceous mantles.PMID:28027080
In our cohort of specimens with equivocal urothelial atypia, very few patients without a prior diagnosis of bladder cancer progressed to diagnostic cancer (1 of 22), suggesting that CK20 and p53 staining results should be interpreted with caution in de novo atypia.PMID:28967804
results demonstrate the diagnostic value of urinary cytology and confirm CK 20 as an adjunct marker for the diagnosis of urothelial carcinoma.PMID:28195264
findings of our study imply that sequential staining of CK20 and E-cadherin prevents false-positive classification of BCC. Furthermore, our study demonstrated that p40 exhibits the same staining pattern in BCC, TE, and TBPMID:26180934
In stomach adenocarcinomas, CDH17 positively stained 64.0% (112 of 175) of tissues, compared to CK20 and CDX2, where staining was observed in only 24.6% (43 of 175) and 46.9% (82 of 175), respectively.PMID:28029907
results demonstrated upregulation of fibroblast growth factor receptor 1 and CK20 expressions in cancer bladder tissuesPMID:27259667
K20 expression was detected in 6 of 75 patients with triple-negative carcinomaPMID:26670478
Circulating tumor cell CK20 and survivin expression may effectively predict overall survival in metastic colorectal cancer patients receiving chemotherapy.PMID:26227487
During postoperative follow-up, serum negative CK20 patients had significantly higher 3-year survival rates than serum positive CK20 patients.PMID:26125781
Patients with any EGFR, CK19, CK20 or survinin positivity in their peripheral blood obtain less benefit from radiotherapy.PMID:25854400
Case Report: Merkel cell carcinma that initially demonstrated cytokeratin 20 positivity but lost expression in subsequent brain metastases.PMID:24901475
Our data show that inclusion of CK20 as a biomarker efficiently improves the detection of CTCs in colorectal cancer patientsPMID:25528628
The present study confirmed that CK14, but not CK20 or CK7, is expressed in urothelial carcinoma with squamous differentiation and squamous cell carcinoma of the urinary bladder.PMID:25643514
Immunostaining of CDX2 and CK20 provides beneficial information if considering whether to perform an endoscopic papillectomy (EP).PMID:25081540
High cytokeratin 20 expression is associated with invasive histological phenotype in poorly differentiated colorectal adenocarcinoma.PMID:24403457
Its association with clinical stage indicates that CK20 might have prognostic value as a marker for detection of circulating CRC cells.PMID:23558939
The CDX2/CK20 phenotype defines a distinct subgroup of colorectal cancers with microsatellite instability and poor differentiationPMID:24025523
Data show that lower survival (OS) and disease-free survival (DFS) rates were significantly associated with guanylate cyclase C (GCC) and CK20 mRNA levels.PMID:23150200
Overexpression of CK20 is associated with early-onset colorectal cancer.PMID:23322277
High cytokeratin 20 mrna expression is associated with lymphatic metastasis in colon cancer.PMID:22752373
Pouch/peripouch and UC-associated adenocarcinoma had a comparable positive rate for CK7, CK20, and CDX2 by immunohistochemistry.PMID:22895272
HER2 and CK20 were seen exclusively in the mucinogenic proliferations in congenital pulmonary airway malformations.PMID:22348416
CEA mRNA, CK20 mRNA, and serum CEA than patients at stages I-III.PMID:22414974
Results suggest that CK20 mRNA with other biomarkers in the peripheral blood of breast cancer patients may be useful to monitor the presence of disseminated tumor cells in the blood circulation and to predict the prognosis of breast cancer.PMID:22677992
Both the CK7-/CK20+ phenotype and expression of the antibody CDX2 are highly specific and sensitive markers of colorectal origin.PMID:22268990
This is the first reported study of the relationship between CK20/CK7 immunophenotype, BRAF mutations and microsatellite status in colorectal carcinomasPMID:22361037
positivity rates of CK19 and CK20 in transverse mesocolon were 48.6 and 61.2%, respectively and increased with the depth of tumor invasionPMID:21938557
Keratin 20 expression is common in colorectal carcinoma.PMID:22237712
The expressions of CK7 and CK20 in nasal polyps were analyzed.PMID:22119824
CK20 and VEGF expressions in peripheral blood of colorectal carcinoma patients are promising molecular markers for disease progression and metastasis.PMID:20395351
Merkel cell carcinoma admixed with squamous cell carcinoma can be cytokeratin 20-negative and thyroid transcription factor-1-positive [case report]PMID:21775107
Our results along with the data from the literature indicate that CK7/CK20 expression may be of clinical significance.PMID:21574103
SATB2 in combination with cytokeratin 20 identifies over 95% of all colorectal carcinomas.PMID:21677534
A considerable number of colorectal carcinomas showed no immunoreactivity to CK20.PMID:21282015
The immunohistochemical subtypes based on CK20and MUC1 expression correlated with ampullary tumor progression.PMID:21106111
Case Report: CK7+/CK20- Merkel cell carcinoma presenting as inguinal subcutaneous nodules with subsequent epidermotropic metastasis.PMID:20574624
MMP-11 and CK-20 are probable prognostic markers whose expression reflects the stages of tumor differentiation and LNM of breast cancer.PMID:19914229
CK20 expression is associated with the progression of breast cancer.PMID:19664394
The expression level of CK20 mRNA in the peripheral blood in patients with gastric cancer declines after postoperative adjuvant chemotherapy.PMID:19145500
CK20 expression modified in H. pylori chronic gastritisPMID:11642721
expression in lymph nodes correlates with poor prognosis in colorectal cancerPMID:11844829
expression pattern is unique to Barrett's esophagusPMID:11857318
Changing pattern of cytokeratin 7 and 20 expression from normal epithelium to intestinal metaplasia of the gastric mucosa and gastroesophageal junctionPMID:11962749
The detection of cancer metastasis in the lymph nodes in colon carcinoma is almost doubled (21.9% vs 11.1%) by CK-20 mRNAPMID:12515621
CK 20 mRNA identification by RT-PCR is reliable and may be useful for early diagnosis in peritoneal dissemination of colon cancerPMID:12636102
It is possible to apply a simple and reliable method for the detection of circulating tumor cells based on cytokeratin-20 and prostate stem cell antigen RT-PCR assays in gastrointestinal cancers.PMID:12894563
Down regulation of cytokeratin 20 is associated with transitional and squamous cell carcinoma of the bladderPMID:12954496
The combined expression of CK7 and CK20 has a low specificity in the distinction between esophageal and cardiac (stomach) adenocarcinomas.PMID:14631371
Alteration of CK7 and CK20 expression profile that occurs early in small intestinal tumorigenesis.PMID:15371952
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Subcellular Location
Cytoplasm.
Protein Families
Intermediate filament family
Tissue Specificity
Expressed predominantly in the intestinal epithelium. Expressed in luminal cells of colonic mucosa. Also expressed in the Merkel cells of keratinized oral mucosa; specifically at the tips of some rete ridges of the gingival mucosa, in the basal layer of t