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A simple, sensitive and reliable method was developed for simultaneous quantification of IMM-H007 and its major active metabolites-M1 and MP in the blood of rhesus monkey using HPLC-MS/MS analysis. The analytes and internal standard (IS) WS070119 were separated using a Capcell PAK ADME Column (2.1 mm×100 mm, 3 μm, Shiseido, Japan) with a gradient mobile phase of methanol/water containing 0.1% formic acid. The detection was performed in positive selected reaction monitoring (SRM) mode with electrospray ionization (ESI) source. Satisfactory linearity was obtained while the inter- and intra-assay precision and accuracy differences were no more than 15% with high recovery and good stability for the quantification, indicating the present method was specific, accurate and reliable. The method was successfully applied to the pharmacokinetic study of IMM-H007 in rhesus monkey. After single oral administration of IMM-H007 (70, 210, 630 mg·kg-1), M1 and MP were detected in blood, while the concentration of IMM-H007 was much lower than its metabolites. The active metabolite MP with linear kinetics had a higher exposure than other analytes in vivo. The results provide an useful and reliable model for pharmacological and toxicological studies of IMM-H007 as well as its clinical application.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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