A5228
Anti-Actin, α-Smooth Muscle antibody, Mouse monoclonal
clone 1A4, purified from hybridoma cell culture
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Synonym(s):
Monoclonal Anti-Actin, α-Smooth Muscle, Acta2 Antibody, Alpha Smooth Muscle Actin Antibody Sigma, SMA Antibody - Anti-Actin, α-Smooth Muscle antibody, Mouse monoclonal, Sma Antibody, alpha SMA, SMA
UNSPSC Code:
12352203
NACRES:
NA.41
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biological source
mouse
Quality Level
conjugate
unconjugated
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
1A4, monoclonal
form
PBS solution
mol wt
antigen ~42 kDa
species reactivity
human, mouse, rat, chicken, frog, canine, rabbit, guinea pig, goat, bovine, sheep, snake
packaging
antibody small pack of 25 μL
technique(s)
immunocytochemistry: suitable using smooth muscle cells
immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable using smooth muscle cells
indirect ELISA: suitable
indirect immunofluorescence: 5-10 μg/mL using blood vessels in formalin-fixed, paraffin-embedded human tonsil or appendix tissue sections
microarray: suitable
western blot: suitable using smooth muscle cells
isotype
IgG2a
UniProt accession no.
application(s)
research pathology
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
unmodified
Gene Information
human ... ACTA2(59)
mouse ... Acta2(11475)
rat ... Acta2(81633)
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General description
Actin is a highly conserved protein that is a major component of both the cytoskeletal and contractile structures in all cell types. It varies in amount, being related to the type of differentiation and to the functional state of cells and tissues. Actin can be found in two different forms of aggregation, the globular or the fibrillar state, and at least six distinct isoforms occur in vertebrates. The actins exhibit over 90% sequence homology, but each isoform has a unique NH2-terminal sequence. The isoforms are comprised of three alpha actins (skeletal, cardiac, smooth), one beta actin (beta-non-muscle) and two gamma actins (gamma smooth muscle and gamma non-muscle).
Anti-Actin, α-Smooth Muscle antibody, Mouse monoclonal (mouse IgG2a isotype) is derived from the 1A4 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from mice immunized with the NH2 terminal synthetic decapeptide of a smooth muscle actin, coupled to keyhole limpet hemocyanin (KLH).
The antibody (also known as anti-α-Sm-1) is specific for the single isoform of α-smooth muscle actin. It reacts specifically with α-smooth muscle actin in immunoblotting assays and labels smooth muscle cells in frozen or formalin-fixed, paraffin-embedded tissue sections.
Immunogen
N-terminal synthetic decapeptide of α-smooth muscle actin.
Application
Anti-Actin, α-Smooth Muscle antibody, Mouse monoclonal has been used in:
- immunofluorescence staining
- immunohistochemistry
- immunoblotting
- immunocytochemistry
- enzyme linked immunosorbent assay (ELISA)
- western blotting
Immunocytochemistry was performed on smooth muscle cells from bovine aortas using the monoclonal anti-ACTA2 antibody. Cells were first grown on glass cover slips and fixed in 50% acetone/EtOH for 10 minutes at 4 degrees.
Paraffin embedded sections of rat testis tissue grafts were immunohistochemically stained with mouse monoclonal anti-smooth muscle actin.
IHC analysis of x-gal stained muouse cardiac tissue was performed using the primary antibody, mouse monoclonal anti-smooth muscle actin to identify myofibroblasts.
IHC analysis of x-gal stained muouse cardiac tissue was performed using the primary antibody, mouse monoclonal anti-smooth muscle actin to identify myofibroblasts.
Biochem/physiol Actions
Actin and myosin are constituents of many cells types and are involved in a myriad of cellular processes including locomotion, cytokinesis, secretion, cytoplasmic streaming and phagocytosis. It has been shown that the relative proportion of actin isoforms are different in smooth muscles of different organs and change within the same population of smooth muscle cells during development, pathological situations and different culture conditions. The actin in cells of various species and tissue origin are very similar in their immunological and physical properties.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
Other Notes
To view an Actin antibody selection guide, please visit www.sigmaaldrich.com/actin.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Certificates of Analysis (COA)
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