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Anti-Neuroinflammatory Agent, Restricticin B, from the Marine-Derived Fungus Penicillium janthinellum and Its Inhibitory Activity on the NO Production in BV-2 Microglia Cells.


ABSTRACT: A new compound containing a triene, a tetrahydropyran ring and glycine ester functionalities, restricticin B (1), together with four known compounds (2-5) were obtained from the EtOAc extract of the marine-derived fungus Penicillium janthinellum. The planar structure of 1 was determined by detailed analyses of MS, 1D and 2D NMR data. The relative and absolute configurations of 1 were established via the analyses of NOESY spectroscopy data, the comparison of optical rotation values with those of reported restricticin derivatives and electronic circular dichroism (ECD). All the compounds were screened for their anti-neuroinflammatory effects in lipopolysaccharide (LPS)-induced BV-2 microglia cells. Restricticin B (1) and N-acetyl restricticin (2) exhibited anti-neuroinflammatory effects by suppressing the production of pro-inflammatory mediators in activated microglial cells.

SUBMITTER: Choi BK 

PROVIDER: S-EPMC7551942 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Anti-Neuroinflammatory Agent, Restricticin B, from the Marine-Derived Fungus <i>Penicillium janthinellum</i> and Its Inhibitory Activity on the NO Production in BV-2 Microglia Cells.

Choi Byeoung-Kyu BK   Jo Song-Hee SH   Choi Dong-Kug DK   Trinh Phan Thi Hoai PTH   Lee Hwa-Sun HS   Cao Van Anh VA   Van Tran Thi Thanh TTT   Shin Hee Jae HJ  

Marine drugs 20200914 9


A new compound containing a triene, a tetrahydropyran ring and glycine ester functionalities, restricticin B (<b>1</b>), together with four known compounds (<b>2</b>-<b>5</b>) were obtained from the EtOAc extract of the marine-derived fungus <i>Penicillium janthinellum</i>. The planar structure of <b>1</b> was determined by detailed analyses of MS, 1D and 2D NMR data. The relative and absolute configurations of <b>1</b> were established via the analyses of NOESY spectroscopy data, the comparison  ...[more]

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