公开(公告)号：US20220249386A1

公开(公告)日：2022-08-11

申请号：US17598515

申请日：2020-03-27

Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY

Inventor： Takayuki FUJIWARA ,  Shunsuke HIROOKA ,  Shin-ya MIYAGISHIMA ,  Tsutomu OMATSU

IPC: A61K9/50 ,  A61K9/00 ,  C12N1/12 ,  A23K10/30 ,  A23K20/147 ,  A23K40/30 ,  A23L33/18

Abstract: There is provided a drug delivery composition containing an acid-resistant cell that encloses a drug in the cell. In addition, there is provided an acid-resistant cell in which a drug is enclosed in the cell, where the drug is localized in the sac-shaped membrane structure included in the acid-resistant.