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Sphingomyelinase catalyzes the hydrolysis of sphingomyelin to generate ceramide, an important molecule involved in the regulation of various cellular responses. In this study, we partially purified the neutral sphingomyelinase2 (nSMase2) and identified the inhibitors, d-lyxophytosphingosine and d-arabino-phytosphingosine, which have an inhibitory effect on nSMase2 in a concentration-dependent manner...
Based on the anti‐inflammatory activity of phenanthroindolizidine alkaloids, the inhibitory effect of antofine and its analogues on lipopolysaccharide (LPS)‐induced nitric oxide (NO) production was examined, and structure–activity relationships are discussed. Antofine and several analogues suppressed NO production in LPS‐stimulated RAW 264.7 cells. The MeO group at C(2), and the bulkiness of the substituents...
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