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Alexa Fluor® 488 anti-α Smooth Muscle Actin Antibody

Pricing & Availability
Clone
1A4 (See other available formats)
Regulatory Status
RUO
Other Names
Actin, aortic smooth muscle (αSMA), alpha 2 actin (ACTA2), alpha-cardiac actin, growth-inhibiting gene 46, cell growth-inhibiting gene 46 protein
Isotype
Mouse IgG2a, κ
Ave. Rating
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Product Citations
publications
A. 1A4_A488_Alpha-Smooth_IHC-P_061924
IHC staining of Alexa Fluor® 488 anti-α Smooth Muscle Actin (clone 1A4) on formalin-fixed paraffin-embedded human kidney tissue. Following antigen retrieval using 1X Tris-EDTA pH 9.0 Antigen Retrieval Buffer (Cat. No. 422704), the tissue was incubated with Alexa Fluor® 488 anti-α Smooth Muscle Actin (clone 1A4) overnight at 4°C. Nuclei were counterstained with DAPI (Cat. No. 422801). Images were captured with a 10X (panel A) or 40X (panel B) objective. Scale bar: 50 µm
  • A. 1A4_A488_Alpha-Smooth_IHC-P_061924
    IHC staining of Alexa Fluor® 488 anti-α Smooth Muscle Actin (clone 1A4) on formalin-fixed paraffin-embedded human kidney tissue. Following antigen retrieval using 1X Tris-EDTA pH 9.0 Antigen Retrieval Buffer (Cat. No. 422704), the tissue was incubated with Alexa Fluor® 488 anti-α Smooth Muscle Actin (clone 1A4) overnight at 4°C. Nuclei were counterstained with DAPI (Cat. No. 422801). Images were captured with a 10X (panel A) or 40X (panel B) objective. Scale bar: 50 µm
  • B. 1A4_A488_Alpha-Smooth_ICC_061924
    NIH/3T3 cells were treated with (panels A and B) or without 5 ng/mL of Recombinant Mouse TGF-β1 (Cat. No. 763104) (panels C and D) for 48 hours at 37°C, fixed with Fixation Buffer (Cat. No. 420801) for 10 minutes, permeabilized with 0.5% Triton X-100 for 10 minutes, and blocked with 5% FBS for 1 hour at room temperature. Cells were then stained with Alexa Fluor® 488 anti-α Smooth Muscle Actin (clone 1A4) (panels A and C). Nuclei were counterstained with DAPI (Cat. No. 422801). Images were merged (panels B and D). The images were captured by a Revvity Operetta CLS™ High Content Analysis System with a 63X objective. Scale bar: 50 µm
Compare all formats See Alexa Fluor® 488 spectral data
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614853 25 µg 175 CHF
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614854 100 µg 435 CHF
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Description

Cytoplasmic actins, which belong to the microfilament system of cytoskeleton proteins, are some of the most conserved eukaryotic proteins expressed in mammals. α-smooth muscle actin is widely expressed in contractile cells, most notably the mural cells that line arteries and arterioles. Overexpression of α-smooth muscle actin is a hallmark of fibrosis, a thickening or scarring of damaged tissue.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human, Mouse
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
N-terminal synthetic peptide of alpha-smooth muscle actin coupled to keyhole limpet haemocyanin (KLH).
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide
Preparation
The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 488 under optimal conditions.
Concentration
0.5 mg/mL
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

IHC-P - Quality tested
ICC - Verified
Recommended Usage

Each lot of this antibody is quality control tested by formalin-fixed paraffin-embedded immunohistochemical staining. For immunohistochemistry on formalin-fixed paraffin-embedded tissue sections, a concentration range of  5.0 - 10.0 µg/mL is suggested.  For immunocytochemistry, a concentration range of 5.0 - 10.0 μg/mL is recommended. It is recommended that the reagent be titrated for optimal performance for each application.

* Alexa Fluor® 488 has a maximum emission of 519 nm when it is excited at 488 nm.


Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.

View full statement regarding label licenses
Excitation Laser
Blue Laser (488 nm)
Application Notes

For use in immunohistochemistry (IHC) on formalin-fixed paraffin-embedded tissues, we recommend heat-induced antigen retrieval with either Tris-EDTA pH 9.0 or Citrate Buffer, 10X (Cat. No. 420902).

For use in immunocytochemistry (ICC), we recommend fixation with Fixation Buffer (Cat. No. 420801) followed by permeabilization with 0.5% Triton-X.

Previously Covance catalog# MMS-466S.

RRID
AB_3662308 (BioLegend Cat. No. 614853)
AB_3662308 (BioLegend Cat. No. 614854)

Antigen Details

Structure
α smooth muscle actin is a 377 amino acid protein with a predicted molecular weight of 42 kD.
Distribution

Cytoplasmic, cytoskeleton

Function
Cell motility
Interaction
α smooth muscle actins bind to myosins to produce motive force
Cell Type
Mesenchymal Stem Cells, Monocytes
Biology Area
Cell Biology, Cell Motility/Cytoskeleton/Structure, Cell Structure, Neuroscience, Neuroscience Cell Markers
Molecular Family
Microfilaments
Antigen References
  1. Brennan PA, et al. 2000. J Oral Pathol Med. 29:279-83.
  2. Rizeq MN, et al. 1994. Hum Pathol. 25:671-7.
  3. Schmitt-Graff A, et al. 1991. Am J Pathol. 138::1233-42
  4. Roholl PJM, et al. 1990. Hum Pathol. 21:1269-74.
  5. Alberts B, et al. 1989. Eds Molecular biology of the cell. 2:613.
  6. Skalli O, et al. 1986. J Cell Biol. 103:2787-96.
Gene ID
59 View all products for this Gene ID
UniProt
View information about alpha Smooth Muscle Actin on UniProt.org

Related FAQs

There are no FAQs for this product.
Go To Top Version: 1    Revision Date: 06.20.2024

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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