Journal
BRAIN RESEARCH BULLETIN
Volume 62, Issue 3, Pages 223-229Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.brainresbull.2003.09.011
Keywords
beta-amyloid; neutotoxicity; MTT assay; neuroblastoma cells; SH-SY5Y
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Reliable in vitro assays are essential for study of the effects of neurotoxic compounds such as beta-amyloid peptides (Abeta). The MTT assay has been used in cultures of different cells, e.g. SH-SY5Y neuroblastoma cells, for the quantitative measurement of Abeta, toxicity. In our laboratory differentiated, SH-SY5Y cells were used in the MTT Assay. Cell differentiation with 10 muM all-trans-retinoic acid resulted in a constant cell number. The cells possess highly developed neurites and exhibit high sensitivity against Abeta. Owing to the constant cell number in differentiated SH-SY5Y cultures the decrease of the redox Activity is directly proportional to the neurotoxicity of the substances, no correction is needed. The results of the MTT assay of Abeta peptides on differentiated SH-SY5Y cells displayed a good correlation also with the in vivo results. The present experiments reveal an effective assay for the study of potentially neurotoxic compounds. (C) 2003 Elsevier Inc. All rights reserved.
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