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You are here:Home » Antibodies » Abs to Ion Channel » Anti -Acid Sensitive Ion Channel 2b (ASIC2B, MDEG2, Mammalian Degenerin2)

Anti -Acid Sensitive Ion Channel 2b (ASIC2B, MDEG2, Mammalian Degenerin2)

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified E B
Tissue acidosis that occurs in ischemia, tissue damage or inflammation is accompanied by pain. Proton-gated cation channels are activated by low pH in nociceptive neurons. H+-gated channels are members of the NaC/DEG superfamily that include: (1) Amiloride-sensitive epithelial Na+ channels (a, b, g, and d-ENaC subunits); (2) A FMRFamide-gated channel (FaNaC); (3) mechanosensory channel proteins of nematode degenerins (DEG). NaC/DEG superfamily is characterized by intracellular N and C-termini, two transmembrane domains, and a large extracellular loop. All members of this family are selective for Na+ and blocked by amiloride.
Catalog #A0575
The mammalian homolog of degenerins (MDEG or MDEG1) is now designated ASIC for Acid Sensing Ion Channels). There are at least three distinct proteins in ASIC family. ASIC1 is identical with human BNAC2 or BNC2. It is expressed in brain and dorsal root ganglions (DRG) cells. It is activated by pH < 7.0. A splice variant of rat ASIC, ASIC-beta, is expressed only in a subset of small and large diameter sensory neurons and absent in sympathetic neurons and CNS. MDEG1/ASIC2, 67% identity with ASIC1, requires more acidic pH than ASIC1 and has slower activation kinetic. MDEG2/ASIC2b, a splice variant of MDEG1, is expressed in both brain and sensory neurons. MDEG2 is activated neither by mutations nor low pH. However, it acts as modulatory subunit when associated with MDEG1 and another H+-activated channel, DRASIC/ASIC3 (Dorsal Root ganglion ASIC). DRASIC is specific for sensory neurons. In response to a drop in pH, DRASIC gives rise to a biphasic currents with poor discrimination between Na+ and K+. This sustained current may be important in pain sensation.
ApplicationsSuitable for use in ELISA and Western Blot. Other applications not tested.
Recommended DilutionELISA: 0.5-1ug/ml. Coat ELISA plates at 1ug/ml with Control Peptide.
Western Blot: 1-10ug/ml (ECL)
Optimal dilutions to be determined by the researcher.
Control Peptide A0574-02
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
IsotypeIgG
HostRabbit
SourceRat
Concentration~1mg/ml
FormSupplied as liquid in 100mM Tris, pH 7.5, 0.2% BSA, 0.05% sodium azide, 40% glycerol.
PurityPurified by immunoaffinity chromatography.
ImmunogenSynthetic peptide 18aa sequence near the extracellular, N-terminus, of rat MDEG2/ASIC2b.
SpecificityRecognizes rat Acid Sensitive Ion Channel 2b. No significant sequence homology is detected with other ASICs. Species Sequence Homology
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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