{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T22:50:55Z","timestamp":1781304655472,"version":"3.54.1"},"reference-count":33,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2014,3,13]],"date-time":"2014-03-13T00:00:00Z","timestamp":1394668800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"SEABIOMED","award":["PTDC\/MAR\/103957\/2008"],"award-info":[{"award-number":["PTDC\/MAR\/103957\/2008"]}]},{"DOI":"10.13039\/501100001871","name":"Foundation for Science and Technology","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Portuguese National Budget"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Phytotherapy Research"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:p><jats:italic>Artemisia gorgonum<\/jats:italic> (Asteraceae) is an endemic plant to the Cape Verde islands and plays an important role in traditional medicine. The chloroform extract of the plant aerial parts afforded six sesquiterpene lactones, two methoxylated flavonoids, two lignans, and one tetracyclic triterpene, which were isolated by chromatographic methods and their structure established by physical and spectroscopic techniques. The cytotoxic activity of the three major constituents, namely, arborescin, artemetin, and sesamin, was evaluated on neuroblastoma (SH\u2010SY5Y), hepatocarcinoma (HepG2), and nontumoral bone marrow stromal (S17) cell lines. The application of different concentrations of the compounds significantly decreased tumor cells viability at different extents, especially at the highest concentrations tested. Arborescin is the most promising compound as it was able to reduce tumoral cell viability with an IC<jats:sub>50<\/jats:sub> significantly lower (229\u2013233\u2009\u03bcM; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01) than that of S17 cells (445\u2009\u03bcM). Arborescin and artemetin were less toxic to nontumoral cells than the antitumoral drug tested, etoposide. Our results indicate that arborescin has a significant cytotoxic activity <jats:italic>in vitro<\/jats:italic>, more pronounced on the cancer cell lines, confirming <jats:italic>A.\u2009gorgonum<\/jats:italic> as a source of potential antitumoral molecules. Copyright \u00a9 2014 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/ptr.5133","type":"journal-article","created":{"date-parts":[[2014,3,14]],"date-time":"2014-03-14T03:14:16Z","timestamp":1394766856000},"page":"1329-1334","source":"Crossref","is-referenced-by-count":27,"title":["<scp><i>In vitro<\/i><\/scp> Antitumoral Activity of Compounds Isolated from <scp><i>Artemisia gorgonum<\/i><\/scp> Webb"],"prefix":"10.1002","volume":"28","author":[{"given":"Alice","family":"Martins","sequence":"first","affiliation":[{"name":"Departamento\/Centro de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade de Lisboa  1749\u2010016 Lisboa Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rukmini","family":"Mignon","sequence":"additional","affiliation":[{"name":"Departamento\/Centro de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade de Lisboa  1749\u2010016 Lisboa Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marina","family":"Bastos","sequence":"additional","affiliation":[{"name":"Departamento\/Centro de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade de Lisboa  1749\u2010016 Lisboa Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"Batista","sequence":"additional","affiliation":[{"name":"Departamento\/Centro de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade de Lisboa  1749\u2010016 Lisboa Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nuno R.","family":"Neng","sequence":"additional","affiliation":[{"name":"Departamento\/Centro de Qu\u00edmica e Bioqu\u00edmica Faculdade de Ci\u00eancias Universidade de Lisboa  1749\u2010016 Lisboa Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 M. 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