Abcam, ab5694, Anti-alpha smooth muscle Actin antibody

Size: 100µg
Anti-alpha smooth muscle Actin antibody (ab5694) is a rabbit polyclonal antibody detecting alpha smooth muscle Actin in Western Blot, IHC-P . Suitable for Human, Mouse . - Over 3000 publications - Trusted since 2003
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Mouse, Human,
Applications:IHC-P, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human ACTA2. The exact immunogen used to generate this antibody is proprietary information.P62736,
Specificity:Alpha smooth muscle actin antibody (ab5694) stains smooth muscle cells in vessel walls, gut wall, and myometrium. Myoepithelial cells in breast and salivary gland are also stained. ab5694 reacts with tumors arising from smooth muscles and myoepithelial cells.

Product details:
Anti-alpha smooth muscle Actin antibody (ab5694) is a rabbit polyclonal antibody and is validated for use in IHC-P and WB.
Anti-alpha smooth muscle Actin antibody (ab5694) was first used in a scientific publication in 1985 and has been cited over 3004 times in peer reviewed journals. It's performance in Western blot, immunofluorescence and IHC in human, mouse and rat samples is trusted by the scientific community.
Abcam's high quality validation processes ensure Anti-alpha smooth muscle Actin antibody (ab5694) has high sensitivity and specificity.
Anti-alpha smooth muscle Actin antibody (ab5694) has 150 independent reviews from customers.
Anti-alpha smooth muscle Actin antibody (ab5694) specifically detects alpha smooth muscle Actin (UniProt ID: P62736; Molecular weight: 42kDa) and is sold in 100 µg selling sizes.
Alpha-Smooth Muscle Actin (α-SMA) is a critical protein involved in smooth muscle contraction, encoded by the ACTA2 gene. Predominantly found in vascular smooth muscle cells, α-SMA plays a vital role in fibrogenesis and wound healing. It is often used as a marker for myofibroblast formation, which are specialized cells that contribute to tissue repair and fibrosis. The expression of α-SMA is associated with the activation of myofibroblasts, making it an important indicator in studies of fibrosis and other related conditions.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Storage buffer-pH: 7.4Preservative: 0.05% Sodium azideConstituents: PBS, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Alpha smooth muscle actin (α-SMA) also known as ACTA2 is an actin isoform with a specific role in the contractile function of smooth muscle cells. The molecular weight of α-SMA is approximately 42 kDa. This protein is expressed widely in vascular smooth muscle cells the peritoneal lining and myofibroblasts. It often serves as a marker for these cell types. The expression of α-SMA is critical for the mechanical attributes of cells contributing to the rigidity and contractility of tissues where it is present.
Biological function summary
Alpha smooth muscle actin aids in maintaining the structural integrity of tissues by forming part of the actin cytoskeleton an important element in cellular support. It exists in high concentration in stress fibers contributing to cellular movements and shape maintenance. These actions are essential in various dynamic cellular processes such as cell migration and adhesion. Alpha smooth muscle actin does not typically form complexes but it associates with other components of the actin cytoskeleton to ensure cell stability and function.
Pathways
Alpha smooth muscle actin functions significantly within the TGF-beta signaling pathway which influences cell proliferation differentiation and apoptosis. It interacts closely with proteins such as myosin to facilitate cellular contractility and motility. Additionally α-SMA plays a part in the RhoA/Rho kinase (ROCK) pathway connecting with regulators of actin filament organization. These pathways are essential for modulation of smooth muscle contraction and actin filament assembly contributing to vascular development and wound healing.
Alpha smooth muscle actin is importantly involved in fibrotic diseases and vascular diseases like arteriosclerosis. Increased expression of α-SMA is often observed in fibrotic tissues contributing to pathogenesis due to excessive extracellular matrix deposition. In the context of vascular disorders overexpression of α-SMA can lead to abnormal vascular remodeling often seen in diseases like hypertension. Interactions with proteins such as fibronectin and collagens facilitate these pathological changes highlighting the importance of α-SMA in disease development.