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The Antioxidant Response Induced by Lonicera caerulaea Berry Extracts in Animals Bearing Experimental Solid Tumors
Institute of Oncology Bucharest, 252 Fundeni, 022338, Bucharest, Romania
University of Bucharest, Faculty of Chemistry, 4-12 Regina Elisabeta, 030018, Bucharest, Romania
University of Bucharest, Faculty of Physics, MG-11 Magurele, 077125, Bucharest, Romania
* Author to whom correspondence should be addressed.
Received: 9 April 2008; in revised form: 21 May 1995 / Accepted: 21 May 2008 / Published: 27 May 2008
Abstract: Lonicera caerulea is a species of bush native to the Kamchatka Peninsula (Russian Far East) whose berries have been extensively studied due to their potential high antioxidant activity. The aim of our work was to investigate the in vivo effects of the antioxidant action of Lonicera caerulea berry extracts on the dynamics of experimentallyinduced tumors. Our data showed that aqueous Lonicera caerulaea extracts reduced the tumor volume when administered continuously during the tumor growth and development stages, but augmented the tumor growth when the administration of extracts started three weeks before tumor grafting. Prolonged administration of Lonicera caerulaea berry extracts induced the antioxidant defense mechanism in the tumor tissues, while surprisingly amplifying the peripheral oxidative stress.
Keywords: Antioxidant; Lonicera caerulaea; experimental tumors; lipid peroxidation; ceruloplasmin; thiol groups.
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Gruia, M.I.; Oprea, E.; Gruia, I.; Negoita, V.; Farcasanu, I.C. The Antioxidant Response Induced by Lonicera caerulaea Berry Extracts in Animals Bearing Experimental Solid Tumors. Molecules 2008, 13, 1195-1206.
Gruia MI, Oprea E, Gruia I, Negoita V, Farcasanu IC. The Antioxidant Response Induced by Lonicera caerulaea Berry Extracts in Animals Bearing Experimental Solid Tumors. Molecules. 2008; 13(5):1195-1206.
Gruia, Maria I.; Oprea, Eliza; Gruia, Ion; Negoita, Valentina; Farcasanu, Ileana C. 2008. "The Antioxidant Response Induced by Lonicera caerulaea Berry Extracts in Animals Bearing Experimental Solid Tumors." Molecules 13, no. 5: 1195-1206.