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자료유형
학술저널
저자정보
Nugroho, Agung Endro (Department of Pharmacology, Informational Biomedicine, Ehime University Graduate School of Medicine) Wahyono, Wahyono (Department of Pharmaceutical Biology, Faculty of Pharmacy, Gadjah Mada University) Wahyuono, Subagus (Department of Pharmaceutical Biology, Faculty of Pharmacy, Gadjah Mada University) Maeyama, Kazutaka (Department of Pharmacology, Informational Biomedicine, Ehime University Graduate School of Medicine)
저널정보
경희한의학연구센터 Oriental pharmacy and experimental medicine Oriental pharmacy and experimental medicine 제10권 제3호
발행연도
2010.1
수록면
200 - 207 (8page)

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The fruits of Piper cubeba L. are used traditionally to treat respiratory disorders in Indonesia. In order to determine the compounds responsible for this activity, the fruits were extracted with nhexane followed by ethanol to give n-hexane and ethanol extracts. Based on tracheospasmolytic assay on these two extracts, the n-hexane extract was more active to inhibit trachea contraction than that of ethanol extract. Upon bioassay guided isolation of the n-hexane extract, a tracheospasmolytic active compound was isolated and identified as dihydrocubebin [(3,4),(3',4')-bis-methylenedioxy-9,9'dihydroxylignan] $(\underline{1})$. Compound $\underline{1}$ was tested further for its ability to inhibit histamine released from mast cells, using rat basophilic leukemia (RBL-2H3) cell line and rat peritoneal mast cells RPMCs) as models; and $DNP_{24}$-BSA, thapsigargin, ionomycin, compound 48/80 and PMA were used as inducers for histamine released from mast cell. The test result showed that $\underline{1}$ inhibited histamine release from RBL-2H3 cells induced by $DNP_{24}$-BSA, thapsigargin and ionomycin. In addition, $\underline{1}$ suppressed histamine release from RPMC induced by either thapsigargin or ionomycin. However, $\underline{1}$ did not inhibit histamine release from RPMC induced by either compound 48/80 or combination PMA-sub optimum dose of ionomycin. Therefore, it was concluded that the inhibitory effects of $\underline{1}$ on the histamine released from mast cells may involve mechanisms related to intracellular $Ca^{2+}$ signaling events or downstream processes of intracellular $Ca^{2+}$ signaling in mast cells.

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