GAP43 (Growth associated protein 43) is a crucial component for regenerative response in the nervous system. GAP-43 is normally produced by neurons during developmental growth and axonal regeneration, but it is also expressed in specific regions of the normal adult nervous system. The protein is present at high levels in neuronal growth cones during development and axonal regeneration.

Heterozygous GAP3 knockout mice with GAP-43 levels reduced by one-half display significant memory impairments in cued conditioning, or on tests of nociceptive or auditory perception. Differentiating neurons that do not express GAP-43 show mislocalization of the centrosome and mitotic spindles, particularly in neurogenic cell divisions. Therefore, the neuronal precursor pool in the cerebellum fails to grow resulting in a cerebellum that is significantly smaller than normal. Total GAP-43 deletion is lethal within days of birth, demonstrating that GAP-43 is critical for the proper development of the mammalian CNS.

Long Name

Growth Associated Protein 43

Alternate Names

B-50, Basp2, GAP43, Neuromodulin

Gene Symbol

GAP43

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Product Specific Notices for GAP-43 Antibody (5E8) [Janelia Fluor® 646]

Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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GAP-43 Antibody (5E8) [Janelia Fluor® 646]

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-50052JF646

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Background: GAP-43