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M2320

Sigma-Aldrich

Anti-MAP2 (2a+2b) antibody, Mouse monoclonal

~2 mg/mL, clone AP-20, purified from hybridoma cell culture

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Synonym(s):
Anti-MAP2 (2a+2b) antibody, Mouse monoclonal, Anti-Microtubule Associated Protein 2
MDL number:
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified from hybridoma cell culture

antibody product type

primary antibodies

clone

AP-20, monoclonal

form

buffered aqueous solution

mol wt

apparent mol wt 280 kDa

species reactivity

Xenopus, mouse, quail, human, bovine, rat, aquatic salamander

packaging

antibody small pack of 25 μL

concentration

~2 mg/mL

technique(s)

immunocytochemistry: suitable
microarray: suitable
western blot: 1-3 μg/mL using rat brain preparation or rat cerebral cortex extract

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... MAP2(4133)
mouse ... Mtap2(17756)
rat ... Map2(25595)

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This Item
M9942M1406M4403
biological source

mouse

biological source

mouse

biological source

mouse

biological source

mouse

species reactivity

Xenopus, mouse, quail, human, bovine, rat, aquatic salamander

species reactivity

rat, chicken, human, mouse, bovine, quail

species reactivity

Xenopus, mouse, quail, human, bovine, rat, aquatic salamander

species reactivity

rat, chicken, human, mouse, bovine, quail

Gene Information

human ... MAP2(4133)
mouse ... Mtap2(17756)
rat ... Map2(25595)

Gene Information

human ... MAP2(4133)
mouse ... Mtap2(17756)
rat ... Map2(25595)

Gene Information

human ... MAP2(4133)
mouse ... Mtap2(17756)
rat ... Map2(25595)

Gene Information

human ... MAP2(4133)
mouse ... Mtap2(17756)
rat ... Map2(25595)

conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

antibody form

purified from hybridoma cell culture

antibody form

purified immunoglobulin

antibody form

ascites fluid

antibody form

ascites fluid

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General description

MAP2 is the major microtubule associated protein of brain tissue. There are three forms of MAP2; two are similarily sized with apparent molecular weights of 280 kDa (MAP2a and MAP2b) and the third with a lower molecular weight of 70 kDa (MAP2c). In the newborn rat brain, MAP2b and MAP2c are present, while MAP2a is absent. Between postnatal days 10 and 20 MAP2a appears, at levels equal to that of MAP2b. At the same time, the level of MAP2c drops by 10-fold. This change happens during the period when dendrite growth is completed and when neurons have reached their mature morphology. MAP2 is degraded by a Cathepsin D like protease in the brain of aged rats. There is some indication that MAP2 is expressed at higher levels in some types of neurons than in others.
Monoclonal Anti-MAP2 (2a + 2b) (mouse IgG1 isotype) is derived from the hybridoma produced by the fusion of mouse myeloma cells and splenocytes from a mouse immunized with bovine microtubule associated protein 2 (MAP2).
Monoclonal Anti-MAP2 specificity was established by an immunoblot. The antibody localizes the high molecular weight forms of MAP2, namely MAP2a and MAP2b, but shows no reactivity with MAP2c. No crossreactivity is observed with MAP1, MAP5, tubulin, or tau (t).

Specificity

Monoclonal Anti-MAP2 antibody reacts with human, bovine, rat, mouse, Xenopus, salamander, and quail tissue or cells by immunocytochemical techniques utilizing either a fluorescent or peroxidase label, or by immunohistochemistry.

Immunogen

bovine MAP2

Application

Monoclonal Anti-MAP2 (2a+2b) antibody produced in mouse has been used in immunocytochemistry.
Mouse monoclonal clone AP-20 anti-MAP2 (2a+2b) antibody is used to tag MAP2 for detection and quantitation by Western blotting and immunohistochemical (IHC) techniques. It is used as a probe to determine the roles of MAP2a and MAP2b in cell signaling especially in neural tissues.

Biochem/physiol Actions

Microtubule associated protein 2 (MAP2) is known to promote microtubule assembly and to form side arms on microtubules. It also interacts with neurofilaments, actin and other elements of the cytoskeleton. MAP2 is degraded by a cathepsin D like protease in the brain of aged rats. There is some indication that MAP2 is expressed at higher levels in some types of neurons than in others. MAP2 is known to promote microtubule assembly and to form side-arms on microtubules. It also interacts with neurofilaments, actin and other elements of the cytoskeleton.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

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.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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The projection domain of MAP2b regulates microtubule protrusion and process formation in Sf9 cells
Belanger D, et al.
Journal of Cell Science, 115(7), 1523-1539 (2002)
Shinya Hidano et al.
mBio, 7(6) (2016-11-12)
The local production of gamma interferon (IFN-γ) is important to control Toxoplasma gondii in the brain, but the basis for these protective effects is not fully understood. The studies presented here reveal that the ability of IFN-γ to inhibit parasite
Neurons Derived from Human Induced Pluripotent Stem Cells Integrate into Rat Brain Circuits and Maintain Both Excitatory and Inhibitory Synaptic Activities
Yin X, et al.
eNeuro, 6(4) (2019)
Antidepressant drugs diversely affect autophagy pathways in astrocytes and neurons?dissociation from cholesterol homeostasis
Zschocke J, et al.
Neuropsychopharmacology, 36(8), 1754-1754 (2011)
J Lavaur et al.
Cell death discovery, 2, 16018-16018 (2016-08-24)
Noble gases such as xenon and argon have been reported to provide neuroprotection against acute brain ischemic/anoxic injuries. Herein, we wished to evaluate the protective potential of these two gases under conditions relevant to the pathogenesis of chronic neurodegenerative disorders.

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