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Synthetic peptide corresponding to Human alpha smooth muscle Actin (N terminal).
Database link: P62736
This antibody reacts with smooth muscle cells of blood vessels and parenchymal tissue of intestine, testis and ovary.
Alternative versions available:
Our Abpromise guarantee covers the use of ab7817 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|ICC/IF||Use a concentration of 1 - 5 µg/ml.|
|ELISA||1/200 - 1/1000.|
|IHC-P||Use a concentration of 0.1 - 0.5 µg/ml. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.|
|IHC-Fr||Use at an assay dependent concentration.|
|WB||1/100 - 1/300.|
|ICC||Use at an assay dependent concentration.|
IHC image of alpha smooth muscle actin staining in a human breast ductal carcinoma formalin fixed paraffin embedded tissue section*, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab7817, 0.1µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
ab7817 stained in SV40LT-SMC cells. The cells were fixed with 4% paraformaldehyde (10min) at room temperature and incubated with PBS containing 10% goat serum, 0.3 M glycine, 1% BSA and 0.1% triton for 1h at room temperature to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab7817 at 5µg/ml overnight at +4°C. The secondary antibody was ab150117 (colored green) used at 1 ug/ml for 1hour at room temperature. DAPI was used to stain the cell nuclei (colored blue) at a concentration of 1.43µM for 1hour at room temperature.
ab7817 staining alpha smooth muscle Actin in human brain tissue sections by Immunohistochemistry (PFA perfusion fixed frozen sections). Tissue samples were fixed by perfusion with paraformaldehyde, cut into 20 micron slices, permeablized with 0.1 M PBS with 1% Triton X and blocked with 10% serum for 60 minutes at 24°C. The sample was incubated with primary antibody (1/200 in 0.1M PBST with 10% donkey serum) at 4°C for 24 hours. An Alexa Fluor® 568-conjugated donkey monoclonal (1/1000) was used as the secondary antibody.
Overlay histogram showing SV40LT-SMC cells stained with ab7817 (red line). The cells were fixed with 4% formaldehyde (10 min) and then permeabilized with 0.1% PBS-Triton X-100 for 15 min. The cells were then incubated in 1x PBS / 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (ab7817, 0.1µg/1x106 cells) for 30 min at 22°C. The secondary antibody used was Alexa Fluor® 488 goat anti-mouse IgG (H&L) (ab150113) at 1/2000 dilution for 30 min at 22°C
Isotype control antibody (black line) was mouse IgG2a [18C8BC7AD10] (ab170191) used at the same concentration and conditions as the primary antibody. Unlabelled sample (blue line) was also used as a control.
Acquisition of >5,000 events were collected using a 50 mW Blue laser (488nm) and 530/30 bandpass filter.
This antibody gave a positive signal in HeLa cells fixed with 80% methanol (5 min)/permeabilized with 0.1% PBS-Triton X-100 for 15 min used under the same conditions.
ab7817 staining alpha smooth muscle Actin (green) in Mouse primary colon myofibroblasts by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were fixed with acetone and blocked with 5% BSA for 30 hours at 25°C. Samples were incubated with primary antibody (1/100 in PBS + 5% BSA) for 2 hours at 25°C. ab96875, a donkey anti-mouse DyLight®488 (1/1000) was used as the secondary antibody. Costained with ab92547, Rabbit anti-Vimentin (red).
ab7817 staining alpha smooth muscle actin in Human liver tissue sections by Immunohistochemistry (IHC-P - paraformaldehyde-fixed, paraffin-embedded sections). Tissue was fixed with paraformaldehyde and permeabilized with wash buffer with tween; antigen retrieval was by heat mediation in Tris-EDTA buffer, pH 9.0. Samples were incubated with primary antibody (1/100 in blocking buffer) for 30 minutes at 20°C. A HRP-conjugated Goat anti-mouse IgG polyclonal (undiluted) was used as the secondary antibody.
ab7817 staining alpha smooth muscle Actin (red) in Human lung adenocarcinoma cells by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were fixed with paraformaldehye, permeabilized with 0.1% Triton X-100 and blocked with 3% BSA for 30 minutes at 25°C. Samples were incubated with primary antibody (1/400 in 1x TBS) for 3 hours at 25°C. An Alexa Fluor®633-conjugated Goat anti-mouse IgG polyclonal (1/500) was used as the secondary antibody. Nuclei were counterstained with Hoeches 33258 (blue).
Cannabinoid receptor (CB1) (green) and
Ab7817 positively staining paraformaldehyde fixed porcine valvular interstitial cells (VICs) at 1/75. Staining was carried out in conjunction with goat anti mouse Alexa Fluor® 488 (1/400).
Ab7817 was used to detect myofibroblsats among a heterogeneous interstitial cell type. The image shows heparin treated VICs labelled for alpha actin (green), and counterstained with propidium iodide (red).
This image is an edited version of an image received courtesy of an Abreview on on 22 August 2005. We do not have any further information relating to this image.
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