Product Pathways - Cytoskeletal Signaling
α-Actinin Antibody #3134
|3134S||100 µl (10 western blots)||---||In Stock||---|
|3134||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat, Hamster, Monkey||Endogenous||100||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IF-IC=Immunofluorescence (Immunocytochemistry)
* Product-specific protocol.
Specificity / Sensitivity
α-Actinin Antibody detects endogenous levels of total α-actinin-1 protein. Based on sequence homology, the antibody may cross-react with α-actinin isoforms 2 and 4.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to carboxy-terminal residues of human α-actinin-1.
Western blot analysis of extracts from NIH/3T3, C6, CHO and COS cells using α-Actinin Antibody.
α-Actinin belongs to the spectrin family of cytoskeletal proteins. It was first recognized as an actin cross-linking protein, forming an antiparallel homodimer with an actin binding head at the amino terminus of each monomer. More recently, α-actinin has been shown to interact with a large number of proteins involved in signaling to the cytoskeleton including those involved in cellular adhesion, migration, and immune cell targeting (1). The interaction of α-actinin with intercellular adhesion molecule-5 (ICAM-5) helps to promote neurite outgrowth (2). In osteoblasts, interaction of α-actinin with integrins stabilizes focal adhesions and may protect cells from apoptosis (3). Isoforms 1 and 4 of α-actinin, which are non-muscle isoforms, are present in stress fibers, sites of adhesion and intercellular contacts, filopodia, and lamellipodia. The muscle isoforms 2 and 3 localize to the Z-discs of striated muscle and to dense bodies and plaques in smooth muscle (1).
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