- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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SPTAN1 antibody recognizes Spectrin alpha chain, non-erythrocytic 1, also known as Alpha II spectrin antibody and NEAS antibody, a large cytoskeletal scaffolding protein encoded by the SPTAN1 gene. This protein is widely expressed in non-erythroid tissues and localizes primarily to the cytoplasm and inner surface of the plasma membrane, where it forms heterodimers with beta spectrin to create a supportive submembranous network. SPTAN1 Antibody for IHC enables evaluation of SPTAN1 expression patterns in formalin-fixed, paraffin-embedded tissues.
Spectrin alpha chain, non-erythrocytic 1 plays a critical role in maintaining cell shape, membrane stability, and mechanical resilience. Through assembly into tetrameric spectrin complexes, SPTAN1 links membrane proteins to the actin cytoskeleton, regulating membrane organization and intracellular signaling. The protein is highly expressed in neurons, where it contributes to axonal integrity, synaptic structure, and cytoskeletal dynamics, but it is also present in epithelial and other somatic cell types, reflecting its fundamental role in cellular architecture.
SPTAN1 participates in signaling pathways through interactions with ion channels, adhesion molecules, and regulatory proteins. During apoptosis and cellular injury, Alpha II spectrin undergoes proteolytic cleavage by calpains and caspases, generating characteristic spectrin breakdown products frequently studied as indicators of cytoskeletal disruption. These cleavage events are particularly relevant in neurodegenerative disease research and models of traumatic injury.
The SPTAN1 gene is located on chromosome 9q33.2 and encodes a multidomain protein containing spectrin repeats that mediate dimerization and actin binding. Mutations in SPTAN1 have been associated with neurodevelopmental disorders, including epileptic encephalopathy and other neurological syndromes, underscoring its importance in neuronal maturation and stability. Alterations in spectrin organization have also been linked to changes in cell motility and tumor progression.
Clone SPTAN1/3351 is a monoclonal antibody that targets SPTAN1 and is suitable for detecting SPTAN1 expression in tissue-based research applications. By enabling visualization of cytoplasmic spectrin distribution, SPTAN1 Antibody for IHC supports studies of cytoskeletal architecture, neuronal integrity, and spectrin-associated signaling in paraffin-embedded specimens.
Optimal dilution of the SPTAN1 antibody should be determined by the researcher.
A recombinant human partial protein (amino acids 2351-2475) was used as the immunogen for this SPTAN1 antibody.
Store the SPTAN1 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
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