1990
DOI: 10.1016/0304-3835(90)90122-e
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Solasodine glycosides. Selective cytotoxicity for cancer cells and inhibition of cytotoxicity by rhamnose in mice with sarcoma 180

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Cited by 92 publications
(64 citation statements)
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“…S. lycorcapum fruits contain the steroidal glycoalkaloids, solamargine and solasonine, which share a common aglycone, solasodine (Schwarz et al 2007). These glycoalkaloids have been reported to possess a variety of activities, including antifungal (Fewell et al 1994), antiprotozoal (Hall et al 2006), antineoplasic (Cham and Daunter 1990;Cham 2007), andmolluscicidal (Bagalwa et al 2010). The ethanol extract of S. lycocarpum fruits displayed anti-inflammatory activity (Vieira et al 2003) and anthelmintic activity against Aspiculuris tetraptera (Cruz et al 2008).…”
Section: Introductionmentioning
confidence: 98%
“…S. lycorcapum fruits contain the steroidal glycoalkaloids, solamargine and solasonine, which share a common aglycone, solasodine (Schwarz et al 2007). These glycoalkaloids have been reported to possess a variety of activities, including antifungal (Fewell et al 1994), antiprotozoal (Hall et al 2006), antineoplasic (Cham and Daunter 1990;Cham 2007), andmolluscicidal (Bagalwa et al 2010). The ethanol extract of S. lycocarpum fruits displayed anti-inflammatory activity (Vieira et al 2003) and anthelmintic activity against Aspiculuris tetraptera (Cruz et al 2008).…”
Section: Introductionmentioning
confidence: 98%
“…In contrast, bidesmosidic saponins (19)(20)(21)(22) containing a-L-Rhap moieties strongly inhibit the growth of cancer cell lines, the most active compound being betulin bis-3,28-a-L-rhamnopyranoside (22) (IC50 = 1.3-1.9 JUM). It was postulated that the high anticancer activity of rhamnose containing saponins may be attributable to their interaction with lectins which could recognize rhamnose and facilitate the diffusion of the drag into the cytoplasm [Cham et al, 1990;.…”
Section: Discussionmentioning
confidence: 99%
“…RMN 25,[4][5][6][7][8][9][10][11][12]20,20,6,20,6,20,5 (3x O(CO)CH 3 ), 19,4 (C-30), 18,3 (C-6), 16,1, 16,0, 15,4, 14,7 (C-24, C-25, C-26, C-27 (C-7), 32,3 (C-16), 30,8 (C-21), 30,1 (C-l5), 28,3 (C-23), 27,4 (C-12), 26,1 (C-2), 21,4 (C-ll), 19,5 (C-30), 18,8 (C-6), 16,5, 16,2, 15,8 (C-24, C-25, C-26), 15,1 (C-27 (15) ce qui en fait la molécule la plus cytotoxique de tous les triterpènes et saponines testées dans le cadre de cette thèse (chapitre 5). Une telle augmentation de l'activité anticancéreuse en lien avec la présence de sections sucres de type L-rhamnose a déjà été rapportée dans la littérature pour certains glycosides stéroïdiques [Cham et al, 1990], Ces résultats suggèrent fortement que les membranes des cellules cancéreuses pourraient contenir des récepteurs protéiques tels que des lectines hautement glycosylées spécifiques aux sections L-rhamnose, ce qui faciliterait la diffusion de la saponine à l'intérieur du cytoplasme avant l'induction de l'apoptose cellulaire [Wang et al, 2007]. Afin de tester cette hypothèse, il serait intéressant d'évaluer la cytotoxicité de la saponine après un traitement préalable des cellules cancéreuses avec différentes concentrations de L-rhamnose.…”
unclassified
“…Four doses of BEC at 8 mg/kg resulted in 100% survival of S180 inoculated mice. Increasing concentrations of free rhamnose, administered intraperiotoneally into BEC-treated mice inoculated with S180 cells reduced the efficacy of BEC [6] [29].…”
Section: Pharmacodynamics Specificitymentioning
confidence: 99%