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Vector Laboratories, Inc.
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PathPlusTM KRT20 / CK20 / Cytokeratin 20 Antibodies
CK20 (KRT20) is an intermediate filament keratin that is expressed in epithelial cells in enterocytes and goblet cells of the gastrointestinal mucosa, in some endocrine cells and Merkel cells of the epidermis. It is frequently used as a differentiation marker in the colon, and is used in conjunction with CK7 to distinguish colon carcinomas (CK20 +, CK7 -) from ovarian, pulmonary, or breast cancers. Poorly differentiated colorectal tumors and those with high rates of MSI may also stain negatively for this marker. It is also positive in adenocarcinomas of the gallbladder and bile ducts, ductal cell adenocarcinomas of the pancreas, cholangiocarcinomas, mucinous ovarian tumors, transitional-cell carcinomas, and Merkel-cell carcinomas of the skin. CK20 is usually negative in squamous cell carcinomas, breast cancers, lung adenocarcinomas, endometrial cancer, and small cell carcinomas. Staining for this target is expected to be cytoplasmic. References: Proc Natl Acad Sci U S A. 2009 Feb 10;106(6):1936-41, PMID: 19188603; Histology and Histopathology 27 (3):347–56. 2012/03, PMID: 22237712; Cell Stem Cell 8 (5):511–24. 5/6/2011, DOI: 10.1016/j.stem.2011.02.020;

7 PathPlusTM Antibodies
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KRT20 / CK20 / Cytokeratin 20 (7)
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PathPlus Cancer Pathology (7)
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monoclonal mc (2)
polyclonal pc (5)
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No (7)
KRT20 / CK20 / Cytokeratin 20 Antibody - Anti-KRT20 / Cytokeratin 20 antibody IHC of human small intestine. Immunohistochemistry of formalin-fixed, paraffin-embedded tissue after heat-induced antigen retrieval. Antibody concentration 10 ug/ml.
Select
Cancer Pathology
Cancer
KRT20 / CK20 / Cytokeratin 20 Mouse anti-Human Monoclonal (2G3-1C8) Antibody
Human
ELISA, IF, IHC, IHC-P, WB
Unconjugated
50 µg/$460
KRT20 / CK20 / Cytokeratin 20 Antibody - Human Colon: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer Pathology
Cancer
KRT20 / CK20 / Cytokeratin 20 Goat anti-Human Polyclonal (aa48-60) Antibody
Human
ELISA, IHC-P, Peptide-ELISA, WB
Unconjugated
50 µg/$460
KRT20 / CK20 / Cytokeratin 20 Antibody - Human Colon: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer Pathology
Cancer
KRT20 / CK20 / Cytokeratin 20 Mouse anti-Human Monoclonal (Ks20.8) Antibody
Human
IHC, IHC-P
Unconjugated
0.05 ml/$460
KRT20 / CK20 / Cytokeratin 20 Antibody - Human Small Intestine: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer Pathology
Cancer
KRT20 / CK20 / Cytokeratin 20 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IHC, IHC-P, WB
Unconjugated
100 µl/$485
KRT20 / CK20 / Cytokeratin 20 Antibody - Anti-KRT20 / Cytokeratin 20 antibody IHC staining of human small intestine. Immunohistochemistry of formalin-fixed, paraffin-embedded tissue after heat-induced antigen retrieval.
Select
Cancer Pathology
Cancer
KRT20 / CK20 / Cytokeratin 20 Rabbit anti-Human Polyclonal (E19-I) Antibody
Human
IHC-Fr, IHC-P
Unconjugated
50 µl/$460
KRT20 / CK20 / Cytokeratin 20 Antibody - Human Small Intestine: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer Pathology
Cancer
Fast Shipping
KRT20 / CK20 / Cytokeratin 20 Rabbit anti-Human Polyclonal Antibody
IHC-P
Unconjugated
50 µg/$460
KRT20 / CK20 / Cytokeratin 20 Antibody - Human Small Intestine: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer Pathology
Cancer
Fast Shipping
KRT20 / CK20 / Cytokeratin 20 Rabbit anti-Human Polyclonal Antibody
IHC-P
Unconjugated
50 µg/$460
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