WB, IP
H M R
Endogenous
37-41
Rabbit IgG
#O60939
6327
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Mouse, Rat
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human Na channel β2 subunit protein.
Background
Mammalian voltage-gated sodium channels (VGSCs) are composed of a pore-forming α subunit and one or more regulatory β subunits (1). Four separate genes (SCN1B-SCN4B) encode the five mammalian β subunits β1, β1B, β2, β3, and β4. In general, β subunit proteins are type I transmembrane proteins, with the exception of secreted β1B protein (reviewed in 2). β subunits regulate α subunit gating and kinetics, which controls cell excitability (3,4). Sodium channel β subunits also function as Ig superfamily cell adhesion molecules that regulate cell adhesion and migration (5,6). Additional research reveals sequential processing of β subunit proteins by β-secretase (BACE1) and γ secretase, resulting in ectodomain shedding of β subunit and generation of an intracellular carboxy-terminal fragment (CTF). Generation of the CTF is thought to play a role in cell adhesion and migration (7,8). Multiple studies demonstrate a link between β subunit gene mutations and a number of disorders, including epilepsy, cardiac arrhythmia, multiple sclerosis, neuropsychiatric disorders, neuropathy, inflammatory pain, and cancer (9-13).
The sodium channel β2 subunit (SCN2B) plays a role in the assembly and functioning of cell surface sodium channels (14). Mutations in the corresponding SCN2B gene may be associated with a form of atrial fibrillation and at least one identified case of Brugada syndrome (15,16). Research using a rat model of spared nerve injury (SNI) suggests that the β2 subunit may be involved in the generation of neuropathic pain (17).
- Catterall, W.A. (1992) Physiol Rev 72, S15-48.
- Catterall, W.A. (2012) J Physiol 590, 2577-89.
- Isom, L.L. et al. (1992) Science 256, 839-42.
- Brackenbury, W.J. and Isom, L.L. (2011) Front Pharmacol 2, 53.
- Isom, L.L. et al. (1995) Cell 83, 433-42.
- Malhotra, J.D. et al. (2000) J Biol Chem 275, 11383-8.
- Wong, H.K. et al. (2005) J Biol Chem 280, 23009-17.
- Kim, D.Y. et al. (2005) J Biol Chem 280, 23251-61.
- Wallace, R.H. et al. (1998) Nat Genet 19, 366-70.
- Lopez-Santiago, L.F. et al. (2007) J Mol Cell Cardiol 43, 636-47.
- Chioni, A.M. et al. (2009) Int J Biochem Cell Biol 41, 1216-27.
- O'Malley, H.A. et al. (2009) Mol Cell Neurosci 40, 143-55.
- Valdivia, C.R. et al. (2010) Cardiovasc Res 86, 392-400.
- Schmidt, J.W. and Catterall, W.A. (1986) Cell 46, 437-44.
- Watanabe, H. et al. (2009) Circ Arrhythm Electrophysiol 2, 268-75.
- Riuró, H. et al. (2013) Hum Mutat 34, 961-6.
- Pertin, M. et al. (2005) J Neurosci 25, 10970-80.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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