alpha-Smooth Muscle Actin Antibody (SPM332)

Images

 
Immunocytochemistry/ Immunofluorescence: alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - Immunofluorescence Analysis of HeLa cells labeling Smooth Muscle Actin with alpha-Smooth Muscle Actin Antibody (SPM332) ...read more
Immunohistochemistry-Paraffin: alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - Staining of paraffin-embedded Leiomyosarcoma using the Azide and BSA-Free version of alpha-Smooth Muscle Actin (SPM332) Antibody.
Flow (Intracellular): alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - An intracellular stain was performed on HeLa cells with alpha-Smooth Muscle Actin Antibody (SPM332) NBP2-34760PE (blue) and a matched ...read more
Flow (Intracellular): alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - An intracellular stain was performed on HeLa cells with alpha-Smooth Muscle Actin Antibody (SPM332) NBP2-34760APC (blue) and a matched ...read more
Flow (Intracellular): alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - An intracellular stain was performed on HeLa cells with alpha-Smooth Muscle Actin Antibody (SPM332) NBP2-34760PCP (blue) and a matched ...read more
Flow Cytometry: alpha-Smooth Muscle Actin Antibody (SPM332) [NBP2-32808] - An intracellular stain was performed on HepG2 cells with alpha-Smooth Muscle Actin Antibody (SPM332) NBP2-34760AF647 (blue) and a matched ...read more

Product Details

Summary
Reactivity Hu, Mu, Rt, Po, Bv, Ca, Ch, Fe, Gp, Gt, Pm, Pm, Rb, ShSpecies Glossary
Applications WB, Flow, Flow-IC, ICC/IF, IHC, IHC-Fr, IHC-P, IP
Clone
SPM332
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated
Concentration
0.2 mg/ml

Order Details

alpha-Smooth Muscle Actin Antibody (SPM332) Summary

Immunogen
Alpha-Smooth Muscle Actin Antibody (SPM332) is made to the N-Terminal decapeptide of Alpha smooth muscle isoform of actin and conjugated to KLH
Localization
Cytoplasmic
Marker
Leiomyosarcoma Marker
Specificity
Actin is a major component of the cytoskeleton and is present in most cell types. This MAb is highly specific to actin from smooth muscles. Its epitope lies in the first four N-terminal amino acids. This MAb does not stain cardiac or skeletal muscle; however, it does stain myofibroblasts and myoepithelial cells. This antibody could be used together with anti-muscle specific actin and myogenin in making a diagnosis of smooth muscle and skeletal muscle tumors. In most cases of rhabdomyosarcoma, this antibody yields negative results whereas anti-muscle specific actin and myogenin are positive. Leiomyosarcomas are positive only with anti-muscle specific actin and anti-smooth muscle actin and are negative with anti-myogenin.
Isotype
IgG2a Kappa
Clonality
Monoclonal
Host
Mouse
Gene
ACTA2
Purity
Protein A purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 0.5-1ug/ml
  • Flow Cytometry 0.5-1ug/million cells
  • Immunocytochemistry/Immunofluorescence 0.5-1ug/ml
  • Immunohistochemistry
  • Immunohistochemistry-Frozen 0.5-1.0ug/ml
  • Immunohistochemistry-Paraffin 0.5-1.0ug/ml
  • Immunoprecipitation 0.5-1ug/500ug protein lysate
  • Flow (Intracellular)
Application Notes
ELISA (For coating, order NBP2-34760 (BSA free version of NBP2-32808))
Theoretical MW
42 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
NBP2-32808 in the following applications:

  • 1 publication
  • 1 publication
  • WB
    1 publication

Packaging, Storage & Formulations

Storage
Store at 4C.
Buffer
10 mM PBS with 0.05% BSA
Preservative
0.05% Sodium Azide
Concentration
0.2 mg/ml
Purity
Protein A purified

Alternate Names for alpha-Smooth Muscle Actin Antibody (SPM332)

  • AAT6
  • ACTA2
  • Actin alpha 2
  • actin, alpha 2, smooth muscle, aorta
  • actin, aortic smooth muscle
  • ACTSA
  • ACTVS
  • alpha 2 actin
  • alpha SMA
  • alpha smooth muscle actin
  • alpha-actin-2
  • alpha-SMA
  • alphaSmooth Muscle Actin
  • alpha-Smooth Muscle Actin
  • a-sma
  • Cell growth-inhibiting gene 46 protein
  • growth-inhibiting gene 46
  • MYMY5
  • SMA
  • smooth muscle actin

Background

Actin proteins are highly conserved in eukaryotic cells and are involved in cell motility, structure and integrity. Actin and myosin are involved in a myriad of cellular processes including locomotion, secretion, cytoplasmic streaming, phagocytosis and cytokinesis. Actin filaments, along with microtubules, comprise a major component of the cytoskeleton and play essential roles in regulating cell shape and movement. Actin has been found to be expressed in at least six isoforms, each encoded by a separate gene and expressed in a developmentally regulated and tissue-specific manner. Alpha, beta and gamma actin isoforms have been identified. Alpha actins are a major constituent of the contractile apparatus, whereas beta and gamma actins are involved in the regulation of cell motility.

ACTA2 encodes alpha Smooth Muscle Actin and is also known as alpha-actin, alpha-actin-2, aortic smooth muscle or alpha smooth muscle actin (alpha-SMA, SMactin, alpha-SM-actin, ASMA). Alpha Smooth Muscle Actin is frequently used as a marker of smooth muscle differentiation and has a theoretical molecular weight of 42 kDa. Smooth muscle alpha actin is one of a few genes whose expression is predominantly expressed in vascular smooth muscle cells that is used to study myofibroblasts and fibrosis (1). Excessive accumulation of alpha smooth muscle actin-positive (ACTA2+) activated myofibroblasts is observed in Idiopathic pulmonary fibrosis (2). Expression of smooth muscle alpha actin is regulated by cell proliferation and is altered in pathological conditions including atherosclerosis and is common in metastatic cancers (1,3).

References

1. Chakraborty, R., Saddouk, F. Z., Carrao, A. C., Krause, D. S., Greif, D. M., & Martin, K. A. (2019). Promoters to Study Vascular Smooth Muscle. Arterioscler Thromb Vasc Biol, 39(4), 603-612. doi:10.1161/atvbaha.119.312449

2.El Agha, E., Moiseenko, A., Kheirollahi, V., De Langhe, S., Crnkovic, S., Kwapiszewska, G.,... Bellusci, S. (2017). Two-Way Conversion between Lipogenic and Myogenic Fibroblastic Phenotypes Marks the Progression and Resolution of Lung Fibrosis. Cell Stem Cell, 20(2), 261-273.e263. doi:10.1016/j.stem.2016.10.004

3. Chen, Y. C., Gonzalez, M. E., Burman, B., Zhao, X., Anwar, T., Tran, M.,... Kleer, C. G. (2019). Mesenchymal Stem/Stromal Cell Engulfment Reveals Metastatic Advantage in Breast Cancer. Cell Rep, 27(13), 3916-3926.e3915. doi:10.1016/j.celrep.2019.05.084

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for alpha-Smooth Muscle Actin Antibody (NBP2-32808)(3)

We have publications tested in 2 confirmed species: Human, Mouse.

We have publications tested in 3 applications: Flow, IHC-P, WB.


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Flow
(1)
IHC-P
(1)
WB
(1)
All Applications
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Human
(1)
Mouse
(2)
All Species

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Product General Protocols

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

FAQs for alpha-Smooth Muscle Actin Antibody (NBP2-32808). (Showing 1 - 2 of 2 FAQs).

  1. I do not see horse listed as a predicted or confirmed species. Would you be able to confirm if any of your alpha-SMA antibodies will react with equine samples?
    • We have not directly tested equine samples nor do we have cited publications that have tested equine samples. Since alpha-Smooth Muscle Actin is a highly conserved sequence, these antibodies should react with most mammal species.
  2. Which antibodies would you recommend for the best performance in IHC?
    • NB300-978, NBP1-30894, NBP2-22120, NBP2-32808, NBP2-33006, and NBP2-34522 have the broadest IHC applications, as they additionally list IHC-Paraffin and IHC-Frozen. To narrow the list down further, we would recommend using either NB300-978 or NBP2-33006 since these products have the most ratings and cited publications for use in IHC methods. NB300-978 has IHC-Free-Floating listed as an application as well.

Secondary Antibodies

 

Isotype Controls

Other Available Formats

Alexa Fluor 350 NBP2-34760AF350
Alexa Fluor 405 NBP2-34760AF405
Alexa Fluor 488 NBP2-34760AF488
Alexa Fluor 532 NBP2-34760AF532
Alexa Fluor 594 NBP2-34760AF594
Alexa Fluor 647 NBP2-34760AF647
Alexa Fluor 700 NBP2-34760AF700
Alexa Fluor 750 NBP2-34760AF750
Allophycocyanin NBP2-34760APC
Biotin NBP2-34760B
DyLight 350 NBP2-34760UV
DyLight 405 NBP2-34760V
DyLight 488 NBP2-34760G
DyLight 550 NBP2-34760R
DyLight 594 NBP2-34760DL594
DyLight 650 NBP2-34760C
DyLight 680 NBP2-34760FR
DyLight 755 NBP2-34760IR
FITC NBP2-34760F
HRP NBP2-34760H
Janelia Fluor 549 NBP2-34760JF549
Janelia Fluor 646 NBP2-34760JF646
PE NBP2-34760PE
PerCP NBP2-34760PCP

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Blogs on alpha-Smooth Muscle Actin.

Alpha-smooth muscle actin and the modulation of endothelial and epithelial cell biology
Actin is essential for a wide range of cell functions, ranging from cell division and chromatin remodeling to vesicle trafficking and maintenance of cellular structure. In fact, mislocalization of actin to cell junctions during development leads t...  Read full blog post.

Understanding Actin Alpha 2 Smooth Muscle
Actins are extremely highly conserved structural proteins found in all eukaryotic cell cytoskeletons that govern cell structure, movement, and shape integrity. Six distinct actin isoforms, each encoded by a different gene and developmentally-regulated...  Read full blog post.

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Bioinformatics

Gene Symbol ACTA2
Uniprot