Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya.

Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya. Research Abstract Details 

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Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya. Abstract Text:

The dichloromethane extract and pomolic acid ( 5) obtained from leaves of Cecropia pachystachya both reduced carrageenan-induced paw oedema in mice. Interestingly, while the triterpenoid inhibited the in vivo production of interleukin-1beta by 39 %, it had no effect on tumour necrosis factor-alpha production. We also demonstrated that both the dichloromethane extract and 5 inhibited the viability of human polymorphonuclear (PMN) cells in a time- and dose-dependent fashion. The PMN membrane integrity was determined with the aid of flow cytometry by means of the exclusion of propidium iodide as assay. Although the cell membrane integrity was altered, neither the extract nor 5 produced cellular necrosis. Moreover, the development of hypodiploid nuclei and DNA fragmentation in the PMN cells were both dependent on dose and time. Finally, in the annexin V-FITC binding assay, compound 5 increased the total of apoptotic cells by 42 % at 100 microM and by 71 % at 200 microM with respect to the control group. In conclusion, both the dichloromethane extract of ambay and isolated compound 5 inhibit the viability of PMN cells through apoptosis. Since they can regulate human neutrophil functions in this way, it is likely that these substances can also limit inflammation.

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Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Planta medica

VOLUME: 74

Page Numbers: 215-20

Journal Abbreviation: Planta Med.

ISSN: 0032-0943

DAY: 8

MONTH: 02

YEAR: 2008

Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya. Information

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LANGUAGE: eng

NlmUniqueID: 66751

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Grant and Affiliation Information for Anti-inflammatory and apoptotic activities of pomolic acid isolated from Cecropia pachystachya.

AFFILIATION: Cátedra de Farmacología Básica, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, CIC Provincia de Buenos Aires, La Plata, Argentina.

Country: Germany

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MEDLINETA: Planta Med

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