alexa Vitamin E protects nerve cells from amyloid beta protein toxicity.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular Biomarkers & Diagnosis

Author(s): Behl C, Davis J, Cole GM, Schubert D

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Abstract The amyloid beta protein (ABP) is a 40 to 42 amino acid peptide which accumulates in Alzheimer's disease plaques. It has been demonstrated that this peptide and a fragment derived from it are cytotoxic for cultured cortical nerve cells. It is shown here that ABP and an internal fragment encompassing residues 25 to 35 (beta 25-35) are cytotoxic to a clone of PC12 cells at concentrations above 1 x 10(-9)M and to several other cell lines at higher concentrations. Between 10(-9) and 10(-11) M beta 25-35 protects PC12 cells from glutamate toxicity. The antioxidant and free radical scavenger vitamin E inhibits ABP induced cell death. These results have implications regarding the prevention and treatment of Alzheimer's disease.
This article was published in Biochem Biophys Res Commun and referenced in Journal of Molecular Biomarkers & Diagnosis

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