|Reactivity||Human, Mouse, Rat|
|Calculated MW||50433 Da|
|Other Names||Tubulin beta-3 chain, Tubulin beta-III|
|Formulation||100 µg (0.5 mg/ml) of antibody in PBS, 0.01 % BSA, 0.01 % thimerosal, and 50 % glycerol, pH 7.2|
|Handling||The antibody solution should be gently mixed before use.|
|Precautions||Beta3-Tubulin (TUJ-1) Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. TUBB3 plays a critical role in proper axon guidance and mantainance.|
|Cellular Location||Cytoplasm, cytoskeleton.|
|Tissue Location||Expression is primarily restricted to central and peripheral nervous system. Greatly increased expression in most cancerous tissues.|
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Provided below are standard protocols that you may find useful for product applications.
The cytoskeleton consists of three types of cytosolic fibers: microtubules, microfilaments (actin filaments), and intermediate filaments. Globular tubulin subunits comprise the microtubule building block, with α/β-tubulin heterodimers forming the tubulin subunit common to all eukaryotic cells. γ-tubulin is required to nucleate polymerization of tubulin subunits to form microtubule polymers. Many cell movements are mediated by microtubule action, including the beating of cilia and flagella, cytoplasmic transport of membrane vesicles, chromosome alignment during meiosis/mitosis, and nerve-cell axon migration. These movements result from competitive microtubule polymerization and depolymerization or through the actions of microtubule motor proteins. β3-tubulin (TUBB3) is one of six β-tubulin isoforms and is expressed highly during fetal and postnatal development (axon guidance and maturation). Its expression levels decrease in the adult central nervous system (CNS) but remain high in the peripheral nervous system (PNS). Microtubules enriched in β3-tubulin are more dynamic than those composed of other β-tubulin isoforms. Research studies have shown that mutations in the β3-tubulin gene TUBB3 cause ocular motility defects and other nervous system disorders. Furthermore, β3-tubulin is present in neoplastic but not in normal differentiated glial cells. Thus, β3-tubulin is a great neuronal marker.
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