As noted previously (21),
substances active in this model system are considered to be good
candidates for further investigation in full-term cancer chemo-preventive studies in experimental animal models. In recent
work, a crude R-mangostin (10) preparation was found to have
efficacy in inhibiting preneoplastic lesions in a rat colon
carcinogenesis model (41). Accordingly, the further investigation
of extracts of magosteen pericarp and R-mangostin as potential
cancer chemopreventive agents seems to be warranted.
R-Mangostin (10) has been reported as a significant antimycobacterial
substance against Mycobacterium tuberculosis
with a minimum inhibitory concentration value of 6.25 íg/mL
(12). In addition, this xanthone was found to be a histamine H1
receptor antagonist (42). R-Mangostin (10) was also reported
as a selective inhibitor against bovine brain-derived acidic
sphingomyelinase (43). Recently, synthetic methods for this
prenylated xanthone have been reported (44, 45).
íg/mL (2.44 íM)
As noted previously (21),
substances active in this model system are considered to be good
candidates for further investigation in full-term cancer chemo-preventive studies in experimental animal models. In recent
work, a crude R-mangostin (10) preparation was found to have
efficacy in inhibiting preneoplastic lesions in a rat colon
carcinogenesis model (41). Accordingly, the further investigation
of extracts of magosteen pericarp and R-mangostin as potential
cancer chemopreventive agents seems to be warranted.
R-Mangostin (10) has been reported as a significant antimycobacterial
substance against Mycobacterium tuberculosis
with a minimum inhibitory concentration value of 6.25 íg/mL
(12). In addition, this xanthone was found to be a histamine H1
receptor antagonist (42). R-Mangostin (10) was also reported
as a selective inhibitor against bovine brain-derived acidic
sphingomyelinase (43). Recently, synthetic methods for this
prenylated xanthone have been reported (44, 45).
íg/mL (2.44 íM)
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