Alpha Actinin 4 (ACTN4) Antibody
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Description
Alpha actinins belong to the spectrin superfamily which represents a diverse group of cytoskeletal proteins, including the alpha and beta spectrins and dystrophins. Alpha actinin is an actin-binding protein with multiple roles in different cell types. In nonmuscle cells, the cytoskeletal isoform is found along microfilament bundles and adherens-type junctions, where it is involved in binding actin to the membrane. In contrast, skeletal, cardiac, and smooth muscle isoforms are localized to the Z-disc and analogous dense bodies, where they help anchor the myofibrillar actin filaments. This protein is a nonmuscle, alpha actinin isoform which is concentrated in the cytoplasm, and is thought to be involved in metastatic processes. Mutations in the gene encoding this protein have been associated with focal and segmental glomerulosclerosis.
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Product specifications
| Category | Primary Antibodies |
| Immunogen Target | Alpha Actinin 4 (ACTN4) |
| Host | Rabbit |
| Reactivity | Human |
| Recommended Dilution | WB: 1/1000, IHC-P: 1/10 - 1/50, FCM: 1/10 - 1/50. Not tested in IHC-F. Optimal dilutions/concentrations should be determined by the end user. |
| Clonality | Polyclonal |
| Conjugation | Unconjugated |
| Isotype | IgG |
| Purification | Purified Rabbit Polyclonal Antibody. |
| Size 1 | 80 µl |
| Size 2 | 400 µl |
| Form | Liquid |
| Tested Applications | ELISA, WB, IHC, FCM |
| Buffer | PBS containing 0.09% sodium azide. |
| Availability | Shipped within 5-10 working days. |
| Storage | Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| UniProt ID | O43707 |
| Alias | ACTN4,ACTININ-4,FSGS,FSGS1 |
| Background | Antibody anti-ACTN4 |
| Status | RUO |
Descripción
ACTN4 encodes alpha-actinin-4, a non-muscle isoform of the actinin family that plays a critical role in cellular motility, adhesion, and signal transduction. It is widely expressed in various tissues, where it crosslinks actin filaments and interacts with focal adhesion proteins to regulate cytoskeletal organization and mechanotransduction. ACTN4 is particularly important in podocytes of the kidney, where it contributes to the maintenance of glomerular filtration barrier integrity. Mutations in ACTN4 are associated with focal segmental glomerulosclerosis (FSGS), a kidney disease characterized by proteinuria and progressive renal failure. In addition to its structural role, ACTN4 is implicated in cancer metastasis and cell invasion, reflecting its involvement in dynamic cellular processes. Its diverse functions in cytoskeletal dynamics and signal regulation highlight its importance in cellular stability and adaptability.
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F-actin cross-linking protein which is thought to anchor actin to a variety of intracellular structures. This is a bundling protein(Probable). Probably involved in vesicular trafficking via its association with the CART complex. The CART complex is necessary for efficient transferrin receptor recycling but not for EGFR degradation(PubMed:15772161). Involved in tight junction assembly in epithelial cells probably through interaction with MICALL2. Links MICALL2 to the actin cytoskeleton and recruits it to the tight junctions(By similarity). May also function as a transcriptional coactivator, stimulating transcription mediated by the nuclear hormone receptors PPARG and RARA(PubMed:22351778).
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