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Effect of dietary supplementation with olive and sunflower oils on lipid profile and liver histology in rats fed high cholesterol diet

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Asian Pacific Journal of Tropical Medicine 2017年第6期10卷 609-613页

作者： Sandra Mara Pimentel Duavy gerson javier torres salazar Gerlania de Oliveira Leite Assis Ecker Nilda Vargas Barbosa Departamento de Química Universidade Regional do Cariri(URCA)Campus Pimenta Departamento de Bioquímica e Biologia Molecular Programa de Pós-Graduacao em Ciências Biológicas:Bioquímica ToxicológicaUniversidade Federal de Santa Maria(UFSM)Campus Universitário-Camobi Departamento de Farmacologia Programa de Pós-Graduacao em FarmacologiaUniversidade Federal de Santa Maria(UFSM)Campus Universitário-Camobi

Objective: To compare the effects of high-monounsaturated(MUFA) and polyunsaturated fatty acids(PUFA) against the metabolic disorders elicited by a high-cholesterol diet(HC) in rats. Methods: Using in vivo dietary manipulation, rats were fed with different diets containing 4% soybean oil(cholesterol free diet) and 1% HC containing 12% olive oil(HC+OO) enriched with MUFA and 12% sunflower oil(HC+SO) enriched with PUFA for 60 d. Serum lipid levels and hepatic steatosis were evaluated after the treatment period. Results: Comparatively, rats treated with HC+OO diet experienced a decrease in the serum LDL-C, VLDL-C and CT levels compared to those fed with HC+SO diet(P<0.05). Otherwise, HC+OO provoked significant microvesicular steatosis situated in the hepatic acinar zone 1. Conclusions: HC+OO diet has high absorption velocity in the acinar zone 1 of liver compared to the HC+SO diet. Based on this, the reduction of the LDL-C, VLDL-C and CT serum levels in the animals treated with HC+OO diet can be caused by the delay in the FA release to the blood.

关键词： Cholesterol diets Olive oil Sunflower oil Serum lipids Liver steatosis

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SARS-CoV-2:Air pollution highly correlated to the increase in mortality.The case of Guadalajara,Jalisco,Mexico

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Infectious Disease Modelling 2023年第2期8卷 445-457页

作者： Elizabeth torres-Anguiano Itzel Sanchez-Lopez Angeles Garduno-Robles Jorge David Rivas-Carrillo Edgar Alfonso Rivera-Leon Sergio Sanchez-Enríquez Luis Fernando Ornelas-Hernandez Fernando Zazueta Leon-Quintero Eduardo Narciso salazar Leon-Quintero Guillermo Enrique Juarez-Lopez Fernando Antonio Sanchez-Zubieta Mariana Ochoa-Bru Abraham Zepeda-Moreno Onkogenetik/Mexicana de Investigacion y Biotectogía S.A.de C.V GuadalajaraJaliscoMexico Unidad de Biología Molecular Investigacion y DiagnosticoHospital San JavierGuadalajaraJaliscoMexico Departamento de Fisiología Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Departamento de Biología Molecular y Genomica Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Departamento de Clínicas Centro Universitario de los AltosUniversidad de GuadalajaraTepatitlan de MorelosJaliscoMexico Departamento de Clínicas Medicas Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Servicio de Hemato-Oncología Pediatrica Hospital Civil de Guadalajara“Dr.Juan I.Menchaca”GuadalajaraJaliscoMexico Hospital Civil de Guadalajara“Fray Antonio Alcalde” GuadalajaraJaliscoMexico

Objectives:To determine whether air pollution or changes in SARS-CoV-2 lineages lead to an increase in mortality.Methods:Descriptive statistics were used to calculate rates of infection(2020-2021).RT ePCR was used to compare viral loads from October 2020 to February 2021.Nextgeneration sequencing(NGS)(n=92)was used to examine and phylogenetically map SARS-CoV-2 lineages.A correlative“air pollution/temperature”index(I)was developed using regression analysis.PM_(2.5),PM_(10),O_(3),NO_(2),SO_(2),and CO concentrations were analyzed and compared to the mortality.Results:The mortality rate during the last year was~32%.Relative SARS-CoV-2 viral loads increased in December 2020 and January 2021.NGS revealed that approximately 80%of SARS-CoV-2 linages were B.1.243(33.7%),B1.1.222(11.2%),B.1.1(9%),B.1(7%),B.1.1.159(7%),and B.1.2(7%).Two periods were analyzed,the prehigh-and high-mortality periods and no significant lineage differences or new lineages were found.Positive correlations of air pollution/temperature index values with mortality were found for IPM_(2.5) and IPM_(10).INO_(2).ISO_(2),and ICO but not for O_(3).Using ICO,we developed a model to predict mortality with an estimated variation of~±5 deaths per day.

关键词： Air pollution COVID-19 Guadalajara Mexico SARS-CoV-2 SARS-CoV-2 lineages

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