Publications by authors named "Saki Ijiri"

An aromatic substituent has been introduced into a known hydroxyethylamine (HEA)-type BACE1 inhibitor containing the superior substrate sequence to enhance inhibitory activity. The HEA-type isosteres bearing different hydroxyl group and methyl group configurations were prepared through a branched synthesis approach using intra- and inter-molecular epoxide opening reactions. The effect of their configuration was evaluated, showing that an R-configuration improved the inhibitory activity, while introduction of a methyl group on the isostere decreased the activity.

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One cause of X-linked dilated cardiomyopathies is mutation of the dystrophin gene. We report the case of a young boy who suffered from dilated cardiomyopathy caused only by dystrophin-deficient cardiac muscle, but who did not present with any clinical signs of skeletal myopathy. Sequence analysis of the patient's dystrophin gene revealed the presence of a novel single point mutation at the first exon-intron boundary, inactivating the 5' splice site consensus sequence of the first intron.

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