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| Jean LegaultSummaryCountry: Canada Publications
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Publications
Low-concentration methylene blue maintains energy production and strongly improves survival of Leigh syndrome French Canadian skin fibroblastsJean Legault
Department of Fundamental Sciences, Universite du Quebec a Chicoutimi, 555 boulevard de l Université, Chicoutimi, Quebec, Canada
J Pharm Pharm Sci 14:438-49. 2011..Interestingly, MB completely restores ATP content in LSFC-F1 and LSFC-F2 cells. Finally, MB strongly improves the survival of both LSFC cells...
Potentiating effect of beta-caryophyllene on anticancer activity of alpha-humulene, isocaryophyllene and paclitaxelJean Legault
Laboratoire LASEVE, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada
J Pharm Pharmacol 59:1643-7. 2007..These results suggest that beta-caryophyllene facilitates the passage of paclitaxel through the membrane and thus potentiates its anticancer activity...
Antitumor activity of balsam fir oil: production of reactive oxygen species induced by alpha-humulene as possible mechanism of actionJean Legault
UMR Institut National de la Santé et de la Recherche Médicale, Clermont Ferrand, France
Planta Med 69:402-7. 2003..These results suggest that GSH depletion and ROS production may be implicated in the cytotoxicity of alpha-humulene and balsam fir oil...
Antioxidant and anti-inflammatory activities of quercetin 7-O-?-D-glucopyranoside from the leaves of Brasenia schreberiJean Legault
Laboratory for Analysis and Separation of Plant Species LASEVE, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada
J Med Food 14:1127-34. 2011..7 macrophages in a dose-dependent manner. Quercetin-7-O-?-D-glucopyranoside also inhibited overexpression of cyclooxygenase-2 and granulocyte macrophage-colony-stimulating factor...
Antioxidant activity, inhibition of nitric oxide overproduction, and in vitro antiproliferative effect of maple sap and syrup from Acer saccharumJean Legault
Laboratoire d Analyse et de Séparation des Essences Végétales, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, Quebec, Canada
J Med Food 13:460-8. 2010..Finally, maple syrup extracts (50% inhibitory concentration = 42 +/- 6 microg/mL) and pure maple syrup possess a selective in vitro antiproliferative activity against cancer cells...
Antioxidant, anti-inflammatory and anticancer activities of methanolic extracts from Ledum groenlandicum RetziusDominic Dufour
Laboratoire LASEVE, Universite du Quebec a Chicoutimi, 555, boulevard de l Université, Chicoutimi, Quebec, Canada
J Ethnopharmacol 111:22-8. 2007..Ursolic acid was active against DLD-1 (IC(50): 9.3+/-0.3 microM) and A-549 (IC(50): 8.9+/-0.2 microM), suggesting it is, in part, responsible of the anticancer activity of the twig extract...
Isolation and identification of cytotoxic compounds from the wood of Pinus resinosaFrançois Simard
Laboratoire LASEVE, Universite du Quebec a Chicoutimi, Chicoutimi Québec, Canada
Phytother Res 22:919-22. 2008..Compound 1 exhibited the strongest cytotoxicity against both tumor cell lines and the healthy cell line with an IC50 of 25 +/- 4 microm for A549, 20 +/- 1 microm for DLD-1 and 34 +/- 3 microm for WS1...
Anticancer diarylheptanoid glycosides from the inner bark of Betula papyriferaVakhtang Mshvildadze
Laboratoire d Analyse et de Séparation des Essences Végétales, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, 555 boul Université, Chicoutimi, Quebec, Canada G7H 2B1
Phytochemistry 68:2531-6. 2007..Platyphylloside (4) exerted the strongest cytotoxic activity of all isolated compounds with IC(50) values ranging from 10.3 to 13.8 microM...
Synthesis and cytotoxicity of bidesmosidic betulin and betulinic acid saponinsCharles Gauthier
Laboratoire d Analyse et de Separation des Essences Vegetales LASEVE, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada, G7H 2B1
J Nat Prod 72:72-81. 2009..8-1.9 microM)...
A new labdane diterpene from the flowers of Solidago canadensisMarie Eve Bradette-Hébert
LASEVE, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, Quebec, Canada
Chem Pharm Bull (Tokyo) 56:82-4. 2008..Solicanolide (1) showed cytotoxic activity against A549 (IC(50): 13+/-2 microM), DLD-1 (IC(50): 26+/-2 microM) and WS1 (IC(50): 17+/-1 microM) cell lines...
Composition and cytotoxic activity of the leaf essential oil of Comptonia peregrina (L.) CoulterMuriel Sylvestre
Laboratoire d Analyse et de Séparation des Essences Végétales, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada, G7H 2B1
Phytother Res 21:536-40. 2007..Two sesquiterpenes present in the oil, alpha-humulene and (E)-nerolidol, have been found to be cytotoxic against both tumor cell lines...
Synthesis and structure-activity relationship study of cytotoxic germanicane- and lupane-type 3beta-O-monodesmosidic saponins starting from betulinDominic Thibeault
Laboratoire d Analyse et de Séparation des Essences Végétales, Departement des Sciences Fondamentales, Universite du Quebec a Chicoutimi, 555 boul de l Université, Chicoutimi, Quebec, Canada
Bioorg Med Chem 15:6144-57. 2007....
Haemolytic activity, cytotoxicity and membrane cell permeabilization of semi-synthetic and natural lupane- and oleanane-type saponinsCharles Gauthier
Laboratoire LASEVE, Chaire de Recherche sur les Agents Anticancéreux d Origine Naturelle, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada
Bioorg Med Chem 17:2002-8. 2009....
Synthesis and cytotoxicity evaluation of natural alpha-bisabolol beta-D-fucopyranoside and analoguesMarianne Piochon
Laboratoire d Analyse et de Separation des Essences Vegetales LASEVE, Departement des Sciences Fondamentales, Université du Québec à Chicoutimi UQAC, 555 boul de l Université, Chicoutimi, Quebec, Canada G7H 2B1
Phytochemistry 70:228-36. 2009..According to ADME in silico predictions, this glycoside closely respects physicochemical parameters necessary to cross the blood-brain barrier passively...
Synthesis, cytotoxicity, and haemolytic activity of chacotrioside lupane-type neosaponins and their germanicane-type rearrangement productsCharles Gauthier
Laboratoire LASEVE, Chaire de Recherche sur les Agents Anticancéreux d Origine Naturelle, Universite du Quebec a Chicoutimi, Chicoutimi, Quebec, Canada
Bioorg Med Chem Lett 19:2310-4. 2009..One important result was that only chacotriosides featuring non-polar functions at the C-28 position (6, 9 and 10) exerted a haemolytic activity against red blood cells...
Abibalsamins A and B, two new tetraterpenoids from Abies balsamea oleoresinSerge Lavoie
Universite du Quebec a Chicoutimi, Laboratoire d Analyse et de Separation des Essences Vegetales LASEVE, Departement des Sciences Fondamentales, 555 boul de l Université, Chicoutimi Québec, Canada, G7H 2B1
Org Lett 14:1504-7. 2012..The absolute configuration of 1 was determined by single-crystal X-ray diffraction. Both compounds exhibited significant cytotoxic activity against cancer cell lines...
Cytotoxic steroidal saponins from the flowers of Allium leucanthumLasha Mskhiladze
Tbilisi State Medical University, Departement of Pharmacognosy, 33, Vazha Pshavela Ave, Tbilisi, 0177, Georgia
Molecules 13:2925-34. 2008..Compounds 1-3 and 5 were found to be the most active, with relatively similar IC50 values ranging from 3.7 to 5.8 microM for a lung cancer cell line (A549) and 5.6 to 8.2 microM for a colon cancer cell line (DLD-1)...
Glycosidation of lupane-type triterpenoids as potent in vitro cytotoxic agentsCharles Gauthier
Laboratoire LASEVE, , UQAC, Chicoutimi, , Canada G7H 2B1
Bioorg Med Chem 14:6713-25. 2006..6-3.9 microM, 22) than the healthy cells (IC50 31 microM). Thus, this study indicates that 3-O-glycosides of lupane-type triterpenoids represent an interesting class of potent in vitro cytotoxic agents...
Antiangiogenic and antitumoral activity of phenyl-3-(2-chloroethyl)ureas: a class of soft alkylating agents disrupting microtubules that are unaffected by cell adhesion-mediated drug resistanceEric Petitclerc
Centre de Recherche, , CHUQ, , , Canada
Cancer Res 64:4654-63. 2004....
Essential oil analysis and anticancer activity of leaf essential oil of Croton flavens L. from GuadeloupeMuriel Sylvestre
, , , Qu, Canada
J Ethnopharmacol 103:99-102. 2006..Three compounds identified in the leaf essential oil, alpha-cadinol (3.97%), beta-elemene (1.53%) and alpha-humulene (1.06%) are cytotoxic against tumor cell lines...
Antineoplastic potency of arylchloroethylurea derivatives in murine colon carcinomaElisabeth Miot-Noirault
, Rue Montalembert BP 184, 63005 Clermont-Ferrand, France
Invest New Drugs 22:369-78. 2004..These results make CEU-98 a candidate for further investigations with a view to developing an efficacious treatment of colorectal cancer...
A new generation of N-aryl-N'-(1-alkyl-2-chloroethyl)ureas as microtubule disrupters: synthesis, antiproliferative activity, and beta-tubulin alkylation kineticsEmmanuelle Mounetou
Centre de Recherche, CHUQ, Hopital Saint Francois d Assise, 10, Rue de l Espinay, Québec G1L3L5, Canada
J Med Chem 46:5055-63. 2003..In this new series, CEUs 16a and 18a displayed particularly enhanced antiproliferative activity related to a faster reaction with beta-tubulin and merit further investigation as potential antitumor agents...
Sanguinarine-induced apoptosis is associated with an early and severe cellular glutathione depletionEric Debiton
UMR-INSERM U-484, rue Montalembert, BP 184, 63005, Clermont-Ferrand, France
Cancer Chemother Pharmacol 51:474-82. 2003..They also suggest that the clinical usefulness of this alkaloid as an anticancer drug is limited...
