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Immunofluorecent quantification of Aβ40 and Aβ42 in conditioned medium. TS21 spheroids secrete more Aβ40 and Aβ42. The proportion of Aβ42 is higher in TS21 spheroids. The differences are statistically significant according to the T-test (for NK spheroids n = 9, for TS21 spheroids n = 7).
