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abeta 40

The C99 fragment of amyloid precursor protein (APP)

Alzheimer’s Disease (AD) is a neurodegenerative disorder that is characterized by an abundance of the beta-amyloid peptide in the brain.  When AD was first discovered, it was determined that beta-amyloid was produced as a result of the proteolysis of the amyloid precursor protein (APP).  Aside from its role in AD, the single-pass transmembrane APP has a high expression level in the brain and tends to concentrate at the synapses of neurons.  Because of this localization, it has been suggested that APP plays a role in synapse formation and potentially plasticity.  However, the

Amyloid beta and Methionine Sulfoxide Related to Abeta 42 Antibody and Abeta 40 Antibody