Abstract: A treatment method for degenerative brain disorders using a pharmaceutically effective dose of the inhibitor of SUMO1 (small ubiquitin-like modifier 1) and BACE1 (?-secretase) interaction, or the inhibitor of SUMO1 expression or activation is provided. More specifically, it was confirmed that SUMO1 increased BACE1 accumulation and A? generation, that is SUMO1 regulated BACE1 accumulation by interacting with BACE1, and BACE1 dileucine motif was involved in SUMO1-mediated BACE1 accumulation. In addition, SUMO1 protein induced autophagy in H4 cells, while SUMO1 depletion reduced LC3-II level. It was further confirmed that SUMO1 and LC3 were co-localized in the cortex of APP transgenic mice. As shown herein, a pharmaceutically effective dose of the inhibitor of SUMO1 and BACE1 interaction or the inhibitor of SUMO1 expression can be effectively used for the treatment of degenerative brain disorders.

Abstract: The present invention relates to a plasmid, which is convertible to T-vector and useful for promoter analysis and the preparation method thereof. More particularly, the present invention relates to a plasmid which is convertible to T-vector and can be stored with ease, and particularly makes promoter analysis easy and the preparation method thereof.