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Synthetic peptide conjugated to KLH derived from within residues 300 to the C-terminus of Human Islet 1.
(Peptide available as ab21996.)
Our Abpromise guarantee covers the use of ab20670 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|IHC-FoFr||Use at an assay dependent concentration. PubMed: 20096094|
|IHC-P||Use a concentration of 2 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
|ICC/IF||Use a concentration of 2 µg/ml.|
Dorsal root ganglion explants were dissected from 16 day-old rat embryos and cultured for 6 hours in vitro with Neurobasal Medium containing B27 supplement.
Nuclei stained positive for anti-Islet 1 antibody ab20670 at 2µg/ml. As would be expected, not all cells in this preparation were Islet 1-positive. Pre-incubation of ab20670 with the immunizing peptide ab21996 resulted in complete blocking of the antibody.
Green = ab20670
Blue = To-pro-3 nuclear stain
The level of magnification is different in each image.
Immunocytochemistry/ Immunofluorescence analysis of adult mouse cardiac fibroblasts labeling Islet 1 with ab20670 at 1/100 dilution (green). Samples were fixed using 4% PFA with 0.25% TritonX-100. Scale bar is 100 µM.
Immunohistochemistry (Frozen sections) analysis of mouse brain tissue sections labeling Islet 1 with ab20670 at 1/200 dilution. The tissue was fixed with paraformaldehyde followed by blocking with 5% serum for 1 hour at 25°C. The tissue was incubated with ab20670 in PBST for 12 hours at 4°C. A polyclonal donkey anti-rabbit Alexa Fluor® 594 secondary antibody was used at 1/1000 dilution.
Immunocytochemistry/ Immunofluorescence analysis of mouse dorsal root ganglia (DRG) neurons labeling Islet 1 with ab20670 at 1/200 dilution. Cells were fixed with paraformaldehyde and permeabilized with Tween 20. Blocking of the cells was performed with 2% serum for 30 minutes at 21°C, followed by incubation with ab20670 for 18 hours at 4°C. A polyclonal goat anti-rabbit Alexa Fluor® 568 secondary antibody was used at 1/1000 dilution. DAPI was used to counterstain.
Immunohistochemical analysis of paraffin-embedded mouse E11.5 somites labelling Islet 1 with ab20670 at 1/100 dilution, followed by BioGenex polymer-HRP reagent (undiluted according to manufacturer).
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