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Racemic immunosuppressive seco-aporphine derivatives from Thalictrum wangii. 2020

Qiong Jin, and Xin Wei, and Xu-Jie Qin, and Fei Gao, and Pei-Feng Zhu, and Hai-Lian Yuan, and Guy Sedar Singor Njateng, and Zhi Dai, and Ya-Ping Liu, and Xiao-Dong Luo
State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, PR China; Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, PR China.

Thallactones A (1) and B (2), enantiomeric aporphine alkaloids with rare cleaved rings A and B, as well as thaliglucine N-oxide (3) and their biosynthetically related precursor, northalphenine (4), were isolated from the whole plant of Thalictrum wangii. Their structures with absolute configurations were elucidated by spectral techniques and electronic circular dichroism (ECD). Moreover, compounds 1, 3, and northalphenine inhibited concanavalin A (Con A)-stimulated proliferation of mice splenocyte significantly in a dose-dependent manner.

UI MeSH Term Description Entries
D007166 Immunosuppressive Agents Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging. Immunosuppressant,Immunosuppressive Agent,Immunosuppressants,Agent, Immunosuppressive,Agents, Immunosuppressive
D002681 China A country spanning from central Asia to the Pacific Ocean. Inner Mongolia,Manchuria,People's Republic of China,Sinkiang,Mainland China
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001060 Aporphines Dibenzoquinolines derived in plants from (S)-reticuline (BENZYLISOQUINOLINES).
D013154 Spleen An encapsulated lymphatic organ through which venous blood filters.
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D031949 Thalictrum A plant genus of the family RANUNCULACEAE. Members contain isoquinoline alkaloids and triterpene glycosides. Meadow Rue,Rue, Meadow,Meadow Rues,Rues, Meadow,Thalictrums

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