... GGGTTCT AACAAGGGTGCT-3Â;Abc, 5Â-CACAACGCCACCAACCATCAGACCGATGATAGCACCCTTGTTAGAACCCAC-3Â;Ab-start, 5Â-GCGTAGGGTCGACATATGGACGCTGAATTCCGTCACG-3Â;Abstop, 5Â-CCTGCCGAGCTCCTATTACACAACGCCACCAACCATCAG-3Â. The ... according to the manufacturer’s guidelines and using the following primers: Aba, 5Â-ATGGACGCTGAATTCCGTCACGACTCTGGTTACGAAGTTCACCACCAGAAGCTGGTG-3Â;Abb, 5Â-GTTCACCACCAGAAGCTGGTGTTCTTC GCTGAA GACGT GGGTTCT ... SEC-isolated Ab(1–40) and Ab(M1–40) are at least 97%pure. In the lanes containing Ab(1–42) and Ab(M1–42), there were prominent bands at approximately4 kDa and faint bands at approximately 14 kDa....