Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/1794
Title: Anacardic Acids from Cashew Nuts Ameliorate Lung Damage Induced by Exposure to Diesel Exhaust Particles in Mice
Authors: CARVALHO, Ana Laura NicolettiANNONI, RaquelTORRES, Larissa Helena LoboDURAO, Ana Carolina Cardoso SantosSHIMADA, Ana Lucia BorgesALMEIDA, Francine MariaHEBEDA, Cristina BichelsLOPES, Fernanda Degobbi Tenorio Quirino SantosDOLHNIKOFF, MarisaMARTINS, Milton ArrudaSILVA, Luiz Fernando FerrazFARSKY, Sandra Helena PoliselliSALDIVA, Paulo Hilario NascimentoULRICH, Cornelia M.OWEN, Robert W.MARCOURAKIS, TaniaTREVISAN, Maria Teresa SallesMAUAD, Thais
Citation: EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE, article ID 549879, 13p, 2013
Abstract: Anacardic acids from cashew nut shell liquid, a Brazilian natural substance, have antimicrobial and antioxidant activities and modulate immune responses and angiogenesis. As inflammatory lung diseases have been correlated to environmental pollutants exposure and no reports addressing the effects of dietary supplementation with anacardic acids on lung inflammation in vivo have been evidenced, we investigated the effects of supplementation with anacardic acids in a model of diesel exhaust particle-(DEP-) induced lung inflammation. BALB/c mice received an intranasal instillation of 50 mu g of DEP for 20 days. Ten days prior to DEP instillation, animals were pretreated orally with 50, 150, or 250mg/kg of anacardic acids or vehicle (100 mu L of cashew nut oil) for 30 days. The biomarkers of inflammatory and antioxidant responses in the alveolar parenchyma, bronchoalveolar lavage fluid (BALF), and pulmonary vessels were investigated. All doses of anacardic acids ameliorated antioxidant enzyme activities and decreased vascular adhesion molecule in vessels. Animals that received 50mg/kg of anacardic acids showed decreased levels of neutrophils and tumor necrosis factor in the lungs and BALF, respectively. In summary, we demonstrated that AAs supplementation has a potential protective role on oxidative and inflammatory mechanisms in the lungs.
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LIM/61 - Laboratório de Pesquisa em Cirurgia Torácica


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