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Product Name
Cytokeratin 19-specific antibody
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Description
Cytokeratin 19-specific Rabbit Polyclonal antibody. Positive IHC detected in human colon tissue, human appendix tissue, human breast cancer tissue, human cervix tissue, human endometrial cancer tissue, human kidney tissue, human liver cancer tissue, human lung cancer tissue, human lung tissue, human ovary tumor tissue, human pancreas tissue, human placenta tissue, human prostate cancer tissue, human prostate hyperplasia tissue, human skin tissue, human stomach cancer tissue, human testis tissue, human thyroid cancer tissue. Positive WB detected in HepG2 cells. Observed molecular weight by Western-blot: 40 kDa
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Tested applications
ELISA, WB, IHC
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Species reactivity
Human; other species not tested.
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Alternative names
CK 19 antibody; CK19 antibody; Cytokeratin 19 antibody; K19 antibody; K1CS antibody; keratin 19 antibody; KRT19 antibody
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Isotype
Rabbit IgG
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Preparation
This antibody was obtained by immunization of Peptide (Accession Number: NM_002276). Purification method: Antigen affinity purified.
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Clonality
Polyclonal
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Formulation
PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
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Storage instructions
Store at -20℃. DO NOT ALIQUOT
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Applications
Recommended Dilution:
WB: 1:200-1:2000
IHC: 1:20-1:200
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Validations
HepG2 cells were subjected to SDS PAGE followed by western blot with Catalog No:109803(KRT19-specific antibody) at dilution of 1:400
Immunohistochemistry of paraffin-embedded human colon tissue slide using Catalog No:109803(CK19-specific Antibody) at dilution of 1:200 (under 10x lens)
Immunohistochemistry of paraffin-embedded human colon tissue slide using Catalog No:109803(CK19-specific Antibody) at dilution of 1:200 (under 40x lens)
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Background
Keratins are a large family of proteins that form the intermediate filament cytoskeleton of epithelial cells, which are classified into two major sequence types. Type I keratins are a group of acidic intermediate filament proteins, including K9–K23, and the hair keratins Ha1–Ha8. Type II keratins are the basic or neutral courterparts to the acidic type I keratins, including K1–K8, and the hair keratins, Hb1–Hb6. Keratin 19 is a type I cytokeratin. It is a biochemical marker of skin stem cells in vivo and in vitro. This antibody is specifically against KRT19.
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References
- Kapoor A, Yao W, Ying H. Yap1 activation enables bypass of oncogenic Kras addiction in pancreatic cancer. Cell. 158(1):185-97. 2014.
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