Multidirectional observations of the larynx using transurethral rigid endoscopes during direct laryngoscopy |
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| Authors: | M Kawaida H Fukuda N Kohno |
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| Affiliation: | Department of Pediatrics, Nemours Children's Clinic, Jacksonville, University of Florida Health Science Center, 32207, USA. |
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| Abstract: | Licochalcone A (1), ombuin (2), and 5,7-dihydroxy-3',4'-dimethoxyflavanone (3) were isolated from the aerial parts of Pogostemon cablin by cytotoxicity-guided fractionation. Compound 1 showed in vitro cytotoxicity and Pl-PLC gamma 1 inhibition activity. Treatment of promyelocytic leukemia cells (HL-60) with compound 1 induced terminal differentiation with the generation of monocyte using nonspecific acid esterase assay. |
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