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Key Documents

MABN2526

Sigma-Aldrich

Anti-Aquaporin 4 Antibody

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

purified antibody

Type de produit anticorps

primary antibodies

Clone

E5415B, monoclonal

Poids mol.

calculated mol wt 34.44 kDa
observed mol wt ~45 kDa

Espèces réactives

mouse

Conditionnement

antibody small pack of 100 μg

Technique(s)

ELISA: suitable
activity assay: suitable
immunocytochemistry: suitable
immunofluorescence: suitable
western blot: suitable

Isotype

IgG2aκ

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

-10 to -25°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

mouse ... Aqp4(11829)

Description générale

Aquaporin-4 (UniProt: P55087; also known as AQP-4, Mercurial-insensitive water channel, MIWC, WCH4) is encoded by the AGP4 gene (Gene ID: 361) in human. Aquaporin-4 is a multi-pass membrane protein that forms a water-specific channel and serves as an osmoreceptor that regulates body water balance and mediates water flow within the central nervous system. Its extracellular domains are localized to amino acids 58-64, 137-155, and 206-231); its transmembrane domains are in amino acids 37-57, 65-85, 116-136, 156-176, 185-205, and 232-252); and the cytoplasmic domain is in amino acids 1-36, 86-115, 177-184, and 253-323). Aquaporin-4 is largely expressed in the brain and the skeletal muscle and at lower levels in heart, kidney, and lung tissue. Phosphorylation of Aquaporin-4 at Serine 180 by protein kinase C is shown to reduce conductance by about 50%, whereas phosphorylation at Serine 111 by protein kinase G in response to glutamate can increase conductance by about 40%. Two isoforms of Aquaporin-4 have been described that are produced by alternative splicing. Antibodies to Aquaporin-4 can serve as useful serum markers to distinguishing neuromyelitis Optica (NM) from multiple sclerosis. Clone mCCD does not cause redistribution of Aquaporin-4 and also it does not affect coaggregation astrocytic CD32-B and Aquaporin-4. (Ref.: Hinson, SR et al. (2017). Proc. Natl. Acad. Sci. USA 114(21); 5491-5496).

Spécificité

Clone E5415B is a mouse monoclonal antibody generated in AQP-4 knockout mice that detects murine Aquaporin-4. It targets an epitope within the extracellular domain. This antibody is specific for M23 (Isoform 1).

Immunogène

Recombinant extracellular domain of murine Aquaporin 4.

Application

Quality Control Testing

Evaluated by Western Blotting in Mouse heart tissue lysate.

Western Blotting Analysis: A 1:500 dilution of this antibody detected Aquaporin 4 in Mouse heart tissue lysate.

Tested Applications

ELISA Analysis: A representative lot detected Aquaporin 4 in ELISA applications (Huang, P, et. al. (2016). Biochem Biophys Rep. 7:77-83).

Western Blotting Analysis: A representative lot detected Aquaporin 4 in Western Blotting applications (Huang, P, et. al. (2016). Biochem Biophys Rep. 7:77-83).

Immunocytochemistry Analysis: A 1:25 dilution from a representative lot detected Aquaporin 4 in mouse astrocytes.

Function Analysis: A representative lot reduced endogenous Aquaporin-4 in primary cultured astrocytes. (Huang, P, et. al. (2016). Biochem Biophys Rep. 7:77-83).

Immunofluorescence Analysis: A representative lot detected Aquaporin 4 in Immunofluorescence applications (Huang, P, et. al. (2016). Biochem Biophys Rep. 7:77-83).

Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user
Anti-Aquaporin 4, clone E5415B, Cat. No. MABN2526, is a mouse monoclonal antibody that detects Aquaporin-4 and is tested for use in ELISA, Function Analysis, Immunocytochemistry, Immunofluorescence, and Western Blotting.

Forme physique

Purified mouse monoclonal antibody IgG2a in PBS without azide.

Stockage et stabilité

Stable for 1 year at -10°C to -25°C from date of receipt. Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Autres remarques

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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