2 results about "Vincamine" patented technology

The application discloses a vinblastine synthase, an encoding gene thereof and an application, and belongs to the technical field of genetic engineering. By using transcriptome data of Vinca minor, a 2OGD enzyme, namely, vinblastine synthase Vm15G000668, is screened and obtained, and in-vitro purification finds that the vinblastine synthase Vm15G000668 can specifically catalyze conversion of longchun dimethylbiguanide into vinblastine, and a key catalytic step of vinblastine biosynthesis is analyzed. The application provides a high-efficiency and specific vinblastine synthetic biocatalyst, and provides technical support for large-scale and green preparation of vinblastine.

The present application relates to a long-changma class derivative and its preparation method and application, belong to long-changma class derivative preparation technical field. The long-changma class derivative disclosed by the present application has the following advantages: (i) the modification of the tail chain increases the fat solubility of the long-changma class compound, and does not affect the brain blood flow regulation of the long-changma class itself, helps to carry the drug to penetrate the blood-brain barrier, and plays a brain protection role, improves the brain microcirculation disorder; (ii) the tertiary amine group in the parent nucleus structure of the long-changma class derivative has the property of ionization under acidic conditions, can achieve efficient carrying and lysosome escape of nucleic acid drugs through charge adsorption, and improve intracellular transport; (iii) the long-changma class derivative inherits the inherent various pharmacological activities of long-changma, and has high safety. Therefore, the long-changma class derivative disclosed by the present application has good application prospect in brain-targeted delivery of drugs for treating brain diseases.