Smoothelin (MaxLight 550)
Catalogue Number: S1014-62A-ML550-USB
| Manufacturer: | United States Biological |
| Type: | Monoclonal Primary Antibody - Conjugated |
| Shipping Condition: | Blue Ice |
| Unit(s): | 100 ul |
| Host name: | Mouse |
| Clone: | 4A83 (R4A) |
| Isotype: | IgG1 |
| Immunogen: | Cytoskeletal extract of chicken gizzard |
| Application: | ICC, WB, IHC |
Description
Description: MaxLight™550 is a new Yellow-Green photostable dye conjugate comparable to Alexa Fluor™546, 555, DyLight™549 , Cy3™, TRITC and offers better labeling efficiency, brighter imaging and increased immunodetection. Absorbance (550nm); Emission (575nm); Extinction Coefficient 150,000. Smoothelin is a constituent of the smooth muscle cell (SMC) cytoskeleton. Antibodies directed to smoothelin are useful tools to monitor SMC differentiation. Smoothelin is exclusively expressed in fully differentiated (contractile) SMCs. RNA and protein analyses revealed a broad species distribution of this protein. Cells with SMC-like characteristics, such as myofibroblasts and myoepithelial cells, as well as skeletal and cardiac muscle do not contain smoothelin. Confocal scanning laser microscopy of tissue sections, as well as transfection studies, show a filamentous organization of smoothelin that is different from that of desmin or vimentin. Smoothelin co- localizes with actin stress fibers. In Western Blots two molecular weight isoforms are detected i.e. a 50kD isoform specific for visceral SMC, and an isoform with a molecular weight of ~100kD in vascular SMC. Human smoothelin is encoded by a single copy gene which is located on chromosome 22. This target is useful to discriminate fully differentiated, contractile SMCs from proliferative SMCs. The distribution of smoothelin- positive cells indicates a correlation between smoothelin expression and smooth muscle tissue contractility. Smoothelin is also a useful tool in the evaluation of atherosclerotic lesions.
Additional Text
Uniprot ID
P53814
Gene Name
SMTN
Gene ID
6525
Purification
Purified
Antibody Clonality
Monoclonal
S1014-62A-ML550 Datasheet
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