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Miguel Vazquez-Velasco,Laura Gonzalez-Torres,Rosa A. Garcıa-Fernandez,Marıa Teresa Mendez,Sara Bastida,Juana Benedı,Marıa Jose Gonzalez-Munoz,Francisco J. Sanchez-Muniz 한국식품영양과학회 2017 Journal of medicinal food Vol.20 No.6
Glucomannan-enriched squid surimi improves cholesterolemia and liver antioxidant status. The effect of squid surimi enriched with glucomannan or glucomannan plus spirulina on liver and heart structures and cell damage markers was tested in fa/fa rats fed highly saturated-hyper-energetic diets. Animals were fed 70% AIN-93M rodent diet plus six versions of 30% squid surimi for 7 weeks: control (C), glucomannan (G), and glucomannan plus spirulina (GS). The cholesterol-control (HC), cholesterol-glucomannan (HG), and cholesterol-glucomannan plus spirulina (HGS) groups were given similar diets that were enriched with 2% cholesterol and 0.4% cholic acid. G and GS diets versus C diet significantly inhibited weight gain and lowered plasma alanine aminotransferase and aspartate aminotransferase, liver steatosis, lipogranulomas, and total inflammation and alteration scores. The hypercholesterolemic agent significantly increased the harmful effects of the C diet. Liver weight, the hepatosomatic index, all damage markers, and total histological scoring rose for HC versus C (at least P < .05). The addition of glucomannan (HG vs. HC) improved these biomarkers, and non-additional effects from spirulina were observed except for the total liver alteration score. In conclusion, glucomannan and glucomannan plus spirulina blocked the highly saturated-hyper-energetic diet negative effects both with and without added cholesterol. Results suggest the usefulness of including these functional ingredients in fish products.
Angelica S. Gonzalez-Garibay,Alfonso Lopez-Vazquez,Jesus Garcıa-Banuelos,Sergio Sanchez-Enrıquez,Ana S. Sandoval-Rodrıguez,Susana Del Toro Arreola,Miriam R. Bueno-Topete,Jose F. Munoz-Valle,Mercedes E 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.3
Excess of visceral adipose tissue (VAT) characteristic of obesity leads to a proinflammatory state disrupting the insulin signaling pathway, triggering insulin resistance (IR) and inflammation, the main processes contributing to obesity comorbidities. Ursolic acid (UA), a pentacyclic triterpenoid occurring in a variety of plant foods, exhibits anti-inflammatory properties. The aim of this study was to evaluate UA effects on IR, hyperinsulinemia, and inflammation in experimental diet-induced obesity. Forty male Wistar rats were randomly assigned to eight groups (n = 5). One group was used for time 0. Three groups were labeled as OBE (control): receiving high-fat diet (HFD; fat content 45.24% of energy) during 3, 6, or 9 weeks; three groups UA-PREV: exposed to simultaneous HFD and UA during 3, 6, or 9 weeks to evaluate UA preventive effects; one group UA-REV: receiving HFD for 6 weeks, followed by simultaneous HFD and UA for three additional weeks to analyze UA reversal effects. Measurements were performed after 3, 6, or 9 weeks of treatment. Adiposity was calculated by weighing VAT after sacrifice. Serum markers were quantified through colorimetric and enzyme-linked immunosorbent assay methods. VAT adipokines RNAm expression was evaluated by quantitative reverse transcriptase–polymerase chain reaction. Data were analyzed by Kruskal–Wallis and Mann–Whitney U tests. UA significantly decreased adiposity, IR, hyperinsulinemia, triacylglycerides, and cholesterol levels, and also VAT mRNA expression of MCP-1 (monocyte chemoattractant protein-1), IL (interleukin)-1β and IL-6, concomitantly increasing adiponectin levels. UA metabolic effects demonstrated in this study support its potential therapeutic utility to improve IR, hyperinsulinemia, and inflammation observed in obesity and diabetes.
Mate and Tea Intake, Dietary Antioxidants and Risk of Breast Cancer: a Case-Control Study
Ronco, Alvaro L,Stefani, Eduardo De,Mendoza, Beatriz,Vazquez, Alvaro,Abbona, Estela,Sanchez, Gustavo,Rosa, Alejandro De Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.6
Recently, we reported an inverse association between high 'mate' intake (infusion of Ilex paraguariensis herb, a staple beverage in temperate South America) and breast cancer (BC) risk. Stronger inverse associations were found in high strata of tea, vegetable, fruit and energy intakes, and in overweight/obese women, suggesting possible roles for 'mate' mainly from its antioxidant contribution. The present study attempted to thoroughly explore possible associations among 'mate' and tea intake, dietary antioxidants and BC risk. Combining two databases of previous studies, 572 BC incident cases and 889 controls were interviewed with a specific questionnaire featuring socio-demographic, reproductive and lifestyle variables, and a food frequency questionnaire (64 items), focusing on 'mate' intake (consumer status, daily intake, age at start, age at quit, duration of habit). Food-derived nutrients were calculated from available databases. Odds ratios (OR) and their 95% confidence intervals were calculated through unconditional logistic regression, adjusting for relevant potential confounders. The highest 'mate' intake was significantly inversely associated with BC risk for both low and high carotenoids (OR=0.40 vs. 0.41), vitamin C (OR=0.33 vs. 0.50), vitamin E (OR=0.37 vs. 0.45), flavonols (OR=0.38 vs. 0.48) and reduced glutathione (OR=0.48 vs. 0.46) strata. High tea intake showed significant inverse risk associations only with high carotenoids (OR=0.41), vitamin E (OR=0.48) and reduced glutathione (OR=0.43) strata. In conclusion, a strong and inverse association for 'mate' intake and BC was found, independent of dietary antioxidant levels. Also strong inverse associations with tea intake were more evident only at high levels of certain dietary antioxidants.
Liver transplantation for hepatocellular carcinoma at Centro Médico Nacional 20 de Noviembre-México
Alberto DE JESUS-FLORES,Carlos FLOREZ-ZORRILLA,Ricardo CERON-CASTILLO,Carlos VAZQUEZ-SALINAS,Nadia ROMERO-BEYER,Aczel SANCHEZ-CEDILLO,Miguel CHARCO-CRUZ 한국간담췌외과학회 2021 Annals of hepato-biliary-pancreatic surgery Vol.25 No.-
miR-153 Silencing Induces Apoptosis in the MDA-MB-231 Breast Cancer Cell Line
Anaya-Ruiz, Maricruz,Cebada, Jorge,Delgado-Lopez, Guadalupe,Sanchez-Vazquez, Maria Luisa,Perez-Santos, Jose Luis Martin Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5
MicroRNAs (miRNAs) are small, non-coding RNAs (18-25 nucleotides) that post-transcriptionally modulate gene expression by negatively regulating the stability or translational efficiency of their target mRNAs. In this context, the present study aimed to evaluate the in vitro effects of miR-153 inhibition in the breast carcinoma cell line MDA-MB-231. Forty-eight hours after MDA-MB-231 cells were transfected with the miR-153 inhibitor, an MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay was utilized to determine the effects of miR-153 on cell viability. Flow cytometry analysis and assessment of caspase 3/7 activity were adopted to determine whether miR-153 affects the proliferation rates and apoptosis levels of MDA-MB-231 cells. Our results showed that silencing of miR-153 significantly inhibited growth when compared to controls at 48 hours, reducing proliferation by 37.6%, and inducing apoptosis. Further studies are necessary to corroborate our findings and examine the potential use of this microRNA in future diagnostic and therapeutic interventions.
Silencing the cleavage factor CFIm25 as a new strategy to control Entamoeba histolytica parasite
Juan David Ospina-Villa,Nancy Guillén,Ce´sar Lo´pez-Camarillo,Jacqueline Soto-Sanchez,Esther Ramirez-Moreno,Raul Garcia-Vazquez,Carlos A. Castañon-Sanchez,Abigail Betanzos,Laurence A.Marchat 한국미생물학회 2017 The journal of microbiology Vol.55 No.10
The 25 kDa subunit of the Clevage Factor Im (CFIm25) is an essential factor for messenger RNA polyadenylation in human cells. Therefore, here we investigated whether the homologous protein of Entamoeba histolytica, the protozoan responsible for human amoebiasis, might be considered as a biochemical target for parasite control. Trophozoites were cultured with bacterial double-stranded RNA molecules targeting the EhCFIm25 gene, and inhibition of mRNA and protein expression was confirmed by RT-PCR and Western blot assays, respectively. EhCFIm25 silencing was associated with a significant acceleration of cell proliferation and cell death. Moreover, trophozoites appeared as larger and multinucleated cells. These morphological changes were accompanied by a reduced mobility, and erythrophagocytosis was significantly diminished. Lastly, the knockdown of EhCFIm25 affected the poly(A) site selection in two reporter genes and revealed that EhCFIm25 stimulates the utilization of downstream poly(A) sites in E. histolytica mRNA. Overall, our data confirm that targeting the polyadenylation process represents an interesting strategy for controlling parasites, including E. histolytica. To our best knowledge, the present study is the first to have revealed the relevance of the cleavage factor CFIm25 as a biochemical target in parasites.