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https://www.readbyqxmd.com/read/28821316/obesity-and-fatty-liver-are-prevented-by-inhibition-of-the-aryl-hydrocarbon-receptor-in-both-female-and-male-mice
#1
Benjamin J Moyer, Itzel Y Rojas, Joanna S Kerley-Hamilton, Krishnamurthy V Nemani, Heidi W Trask, Carol S Ringelberg, Barjor Gimi, Eugene Demidenko, Craig R Tomlinson
Inhibition of the aryl hydrocarbon receptor (AHR) prevents Western diet-induced obesity and fatty liver in C57Bl/6J (B6) male mice. The AHR is a ligand-activated nuclear receptor that regulates genes involved in xenobiotic metabolism and T-cell differentiation. Here, we tested the hypothesis that AHR antagonism would also prevent obesity and fatty liver in female mice and that B6 mice (higher-affinity AHR) and congenic B6.D2 mice (lower-affinity AHR) would differentially respond to AHR inhibition. Female and male adult B6 and B6...
August 2017: Nutrition Research
https://www.readbyqxmd.com/read/28770166/genomic-signature-of-the-natural-oncolytic-herpes-simplex-virus-hf10-and-its-therapeutic-role-in-preclinical-and-clinical-trials
#2
REVIEW
Ibrahim Ragab Eissa, Yoshinori Naoe, Itzel Bustos-Villalobos, Toru Ichinose, Maki Tanaka, Wu Zhiwen, Nobuaki Mukoyama, Taishi Morimoto, Noriyuki Miyajima, Hasegawa Hitoki, Seiji Sumigama, Branko Aleksic, Yasuhiro Kodera, Hideki Kasuya
Oncolytic viruses (OVs) are opening new possibilities in cancer therapy with their unique mechanism of selective replication within tumor cells and triggering of antitumor immune responses. HF10 is an oncolytic herpes simplex virus-1 with a unique genomic structure that has non-engineered deletions and insertions accompanied by frame-shift mutations, in contrast to the majority of engineered OVs. At the genetic level, HF10 naturally lacks the expression of UL43, UL49.5, UL55, UL56, and latency-associated transcripts, and overexpresses UL53 and UL54...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28763075/-group-b-streptococcal-perinatal-infection-a-global-latin-american-and-mexican-overview
#3
Gerardo C Palacios-Saucedo, Talyha Itzel Hernández-Hernández, Lydia Guadalupe Rivera-Morales, Evangelina Briones-Lara, Amílcar Caballero-Trejo, José M Vázquez-Guillén, Gustavo I Amador-Patiño, Ricardo García-Cabello, Fortino Solórzano-Santos, Cristina Rodríguez-Padillacs
Group B streptococci (Streptococcus agalactiae) cause a number of infections in women during pregnancy and postpartum, such as urinary tract infection, chorioamnionitis and endometritis, consequently may affect the newborn. Group B streptococci is the most common cause of severe infections in newborns in developed countries. Studies on the epidemiology of group B streptococci infections in Latin America are still limited. This information is also unknown in Mexico, but studies carried out in the center of the country have found high rates of vaginal colonization in pregnant women and there are case series and case reports of newborns...
May 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28745608/metabolic-syndrome-in-mexican-children-low-effectiveness-of-diagnostic-definitions
#4
Barbara Itzel Peña-Espinoza, María de Los Ángeles Granados-Silvestre, Katy Sánchez-Pozos, María Guadalupe Ortiz-López, Marta Menjivar
BACKGROUND: Early identification of children with metabolic syndrome (MS) is essential to decrease the risk of developing diabetes and cardiovascular disease in adulthood. Detection of MS is however challenging because of the different definitions for diagnosis; as a result, preventive actions are not taken in some children at risk. The study objective was therefore to compare prevalence of MS in children according to the IDF, NCEP-ATP-III, Cook, de Ferranti and Weiss definitions, considering insulin resistance (IR) markers such as HOMA-IR and/or metabolic index (MI)...
August 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/28735523/histochemistry-and-immunolocalisation-of-glucokinin-in-antidiabetic-plants-used-in-traditional-mexican-medicine
#5
Guillermo Laguna-Hernández, Carlos A Rio-Zamorano, Itzel G Meneses-Ochoa, Alicia E Brechú-Franco
Mexico is a megadiverse country that has 3,600 to 4,000 species of medicinal plants, of which approximately 800 are used to treat conditions related to diabetes mellitus (DM). DM is a chronic degenerative disease of energy metabolism that exists as two types: type 1 (DM1) and type 2 (DM2). DM is considered a public health problem that affects 7% of the Mexican population older than 20 years. DM is clinically controlled with hypoglycaemic drugs, alpha-glucosidase inhibitors, insulin secretion stimulants or the direct application of insulin...
June 21, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28714671/facile-method-for-the-preparation-of-covalent-triazine-framework-coated-monoliths-as-catalyst-support-applications-in-c1-catalysis
#6
Anastasiya V Bavykina, Alma I Olivos-Suarez, Dmitrii Osadchii, Rahul Valecha, Robert Franz, Michiel Makkee, Freek Kapteijn, Jorge Gascon
A quasi chemical vapor deposition method for the manufacture of well-defined covalent triazine framework (CTF) coatings on cordierite monoliths is reported. The resulting supported porous organic polymer is an excellent support for the immobilization of two different homogeneous catalysts: (1) an Ir(III)Cp*-based catalyst for the hydrogen production from formic acid and (2) a Pt(II)-based catalyst for the direct activation of methane via Periana chemistry. The immobilized catalysts display a much higher activity in comparison with the unsupported CTF operated in slurry because of improved mass transport...
August 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28671057/polyamine-transport-and-synthesis-in-trichomonas-vaginalis-potential-therapeutic-targets
#7
María Elizbeth Alvarez-Sánchez, José Luis Villalpando, Laura Itzel Quintas-Granados, Rossana Arroyo
Polyamines are essential for many biological processes in all organisms. Here we show a current landscape of studies and strategies implemented for the study of polyamine metabolism, as well as molecular aspects that implicate the role of key enzymes, transport proteins, inhibitors, and the study of novel molecules as potential therapeutic targets. This review focused on the synthesis, interconversion and function of these molecules in Trichomonas vaginalis, a common sexually transmitted parasite of humans.
July 3, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28666999/pvhl-suppresses-akt-%C3%AE-catenin-mediated-cell-proliferation-by-inhibiting-14-3-3%C3%AE-expression
#8
Azucena Castañeda, Carolina Serrano, José Antonio Hernández-Trejo, Itzel Zenidel Gutiérrez-Martínez, Wilber Montejo-López, Mauricio Gómez-Suárez, Marcela Hernández-Ruiz, Abigail Betanzos, Aurora Candelario-Martínez, Hector Romo-Parra, José Antonio Arias-Montaño, Michael Schnoor, Marco Antonio Meraz Ríos, Maria Eugenia Gutierrez-Castillo, Irma Alicia Martínez-Dávila, Nicolás Villegas-Sepúlveda, Daniel Martinez-Fong, Porfirio Nava
The mechanisms controlling degradation of cytosolic β-catenin are important for regulating β-catenin co-transcriptional activity. Loss of von Hippel-Lindau protein (pVHL) has been shown to stabilize β-catenin, increasing β-catenin transactivation and β-catenin-mediated cell proliferation. However, the role of phosphoinositide 3-kinase (PI3K)/Akt in the regulation of β-catenin signaling downstream from pVHL has never been addressed. Here, we report that hyperactivation of PI3K/Akt in cells lacking pVHL contributes to the stabilization and nuclear accumulation of active β-catenin...
July 27, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28644715/biological-responses-of-the-american-coot-fulica-americana-in-wetlands-with-contrasting-environmental-conditions-basin-of-m%C3%A3-xico
#9
María Eugenia López-Islas, Itzel Ibarra-Meza, Esperanza Ortiz-Ordóñez, Liliana Favari, J Elías Sedeño-Díaz, Eugenia López-López
Wetland ecosystems are subject to severe impacts (physical and chemical) and to the input of various xenobiotics that provoke toxicological consequences. Waterbirds are potential sentinel species of these environments. To analyze how habitat conditions affect the health of Fulica americana, early-warning biomarkers, histopathology, somatic indices, and water quality were examined in two wetlands of the Basin of Mexico: Xochimilco, an urban wetland highly eutrophic with a mixture of pollutants, and Tecocomulco (the reference site), a rural wetland with hunting migratory birds in winter, and with some agricultural contaminants...
2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28622146/relationship-between-various-maternal-conditions-and-lactic-acid-dehydrogenase-activity-in-umbilical-cord-blood-at-birth
#10
Evangelos Patavoukas, Josefina Åberg-Liesaho, Cecilia Pegelow Halvorsen, Birger Winbladh, Eva Wiberg-Itzel
BACKGROUND: Lactic acid dehydrogenase (LDH) is a valuable marker for some of the most important diseases in newborns and the plasma LDH activity in newborns correlates well with conditions such as asphyxia. If LDH should be considered as a useful tool also in obstetric care, key factors associated with maternal health before and during pregnancy which could affect umbilical cord LDH activity need to be known. The aims of this study were to explore relationships between selected maternal conditions and arterial lactic acid dehydrogenase activity (aLDH) in umbilical cord blood at delivery...
June 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28605770/improving-biocuration-of-micrornas-in-diseases-a-case-study-in-idiopathic-pulmonary-fibrosis
#11
Yalbi Itzel Balderas-Martínez, Fabio Rinaldi, Gabriela Contreras, Hilda Solano-Lira, Mishael Sánchez-Pérez, Julio Collado-Vides, Moisés Selman, Annie Pardo
MicroRNAs (miRNAs) are small and non-coding RNA molecules that inhibit gene expression posttranscriptionally. They play important roles in several biological processes, and in recent years there has been an interest in studying how they are related to the pathogenesis of diseases. Although there are already some databases that contain information for miRNAs and their relation with illnesses, their curation represents a significant challenge due to the amount of information that is being generated every day...
January 1, 2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28591501/-implementation-of-a-clinical-prediction-tool-in-renal-transplant-recipients
#12
Gustavo Martínez-Mier, Sandro Fabricio Ávila-Pardo, Marco Tulio Méndez-López, Luis Filadelfo Budar-Fernández, Ernesto Soto-Miranda, Paloma Itzel Romero-de Lara, Felipe González-Velázquez, Francisco Antonio Lajud-Barquín, Stefan Zilli-Hernández
BACKGROUND: Kasiske developed a tool for predicting the risk of 5-year graft loss. We analyzed our results using this model. METHODS: 109 deceased donor kidney transplants were included. 5-year probability of graft survival was calculated during transplantation, seven days after transplantation and 1-year after transplantation. Z-test and ROC curves were used for proportion differences and discrimination ability. RESULTS: Mean age of donor and recipient was 33...
July 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28587493/a-randomized-controlled-trial-of-a-new-treatment-for-labor-dystocia
#13
Eva Wiberg-Itzel, Susan Wray, Helena Åkerud
OBJECTIVE: Labor dystocia is an intransigent, high-profile issue in obstetric care. Amniotic fluid lactate (AFL) reflects the uterine metabolic status. High levels associate with subsequent need for operative intervention due to dystocia. In sports medicine, it is known that lactic acid can affect muscular performance and can be decreased by bicarbonate given orally before physical activity. MATERIAL AND METHODS: Two hundred dystocic deliveries were included. At the confirmation of dystocia, the AFL-level was analyzed...
June 22, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28584368/pathophysiology-of-autoimmune-bullous-diseases-nature-versus-nurture
#14
Forum Patel, Reason Wilken, Falin B Patel, Hawa Sultani, Itzel Bustos, Christopher Duong, John J Zone, Siba P Raychaudhuri, Emanual Maverakis
Pemphigus and pemphigoid are the prototypical immunobullous diseases. Although it has been well established that they are caused by deposition of autoreactive antibodies directed against adherence proteins within the skin, the specific genetic and environmental factors leading to development of these diseases continue to be an area of investigation. Herein, we discuss several of the potential environmental triggers that may induce patients to develop immunobullous diseases including medications, viral infections, UV exposure or other radiation injury and dietary factors...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28513556/microscale-quantitative-analysis-of-polyhydroxybutyrate-in-prokaryotes-using-idms
#15
Mariana Itzel Velasco Alvarez, Angela Ten Pierick, Patricia T N van Dam, Reza Maleki Seifar, Mark C M van Loosdrecht, S Aljoscha Wahl
Poly(3-hydroxybutyrate) (PHB) is an interesting biopolymer for replacing petroleum-based plastics, its biological production is performed in natural and engineered microorganisms. Current metabolic engineering approaches rely on high-throughput strain construction and screening. Analytical procedures have to be compatible with the small scale and speed of these approaches. Here, we present a method based on isotope dilution mass spectrometry (IDMS) and propanolysis extraction of poly(3-hydroxybutyrate) from an Escherichia coli strain engineered for PHB production...
May 17, 2017: Metabolites
https://www.readbyqxmd.com/read/28474705/-quality-of-life-in-patients-with-psoriasis
#16
Liliana García-Sánchez, Álvaro José Montiel-Jarquín, Eduardo Vázquez-Cruz, Adriana May-Salazar, Itzel Gutiérrez-Gabriel, Jorge Loría-Castellanoso
INTRODUCTION: Psoriasis is a chronic inflammatory skin disease, in which an autoimmune mechanism participates, triggering an accelerated keratopoiesis. Its etiology is unknown; environmental factors, trauma, and infections are involved. The aim of this paper is to present the correlation between the index of severity of psoriasis and quality of life in patients with psoriasis. METHODS: This was a cross-sectional study in 72 patients with psoriasis, older than 15 years old, who agreed to participate in the study...
March 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28421790/abdominal-obesity-is-strongly-associated-to-blood-pressure-in-young-mexicans
#17
Rene Urquidez Romero, Miguel Murguía Romero, Julián Esparza Romero, Beatriz Araceli Díaz Torres, Alejandra Rodríguez Tadeo, Gabriel Medrano Donlucas, Arnulfo Ramos Jiménez, Abraham Wall Medrano, Itzell A Gallardo Ortíz, Diana C Tapia-Pancardo C Tapia Pancardo, A René Méndez Cruz, J Rafael Jiménez Flores, Rafael Villalobos Molina
OBJECTIVE: The objective of this study was to determine associations between abdominal obesity (AOb) and the other components of metabolic syndrome (MetS) in young Mexicans in a cross-sectional survey completed during a 4 year period. METHODS: This cross-sectional study reports on components and prevalence of MetS by using Alberti et al. (16) criteria, as well as association between AOb and elevated blood pressure (BP) of 2,993 Mexican university students, ages 17 to 25 years (66% women) from central and northern Mexico, over a 4-year survey (2010-2013)...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28336214/indoleamine-2-3-dioxygenase-1-ido1-inhibitors-activate-the-aryl-hydrocarbon-receptor
#18
COMPARATIVE STUDY
Benjamin J Moyer, Itzel Y Rojas, Iain A Murray, Seokwon Lee, Haley F Hazlett, Gary H Perdew, Craig R Tomlinson
Indoleamine 2,3-dioxygenase 1 (IDO1) plays a key role in the immune system by regulating tryptophan levels and T cell differentiation. Several tumor types overexpress IDO1 to avoid immune surveillance making IDO1 of interest as a target for therapeutic intervention. As a result, several IDO1 inhibitors are currently being tested in clinical trials for cancer treatment as well as several other diseases. Many of the IDO1 inhibitors in clinical trials naturally bear structural similarities to the IDO1 substrate tryptophan, as such, they fulfill many of the structural and functional criteria as potential AHR ligands...
May 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28331843/curative-effect-of-hf10-on-liver-and-peritoneal-metastasis-mediated-by-host-antitumor-immunity
#19
Yoshihiro Hotta, Hideki Kasuya, Itzel Bustos, Yoshinori Naoe, Toru Ichinose, Maki Tanaka, Yasuhiro Kodera
BACKGROUND: HF10 is a highly attenuated type 1 herpes simplex virus (HSV) with proven effective oncolytic effect. Previous investigations have demonstrated that colon cancer mice model treated with HF10 not only had better survival but were also resistant to the reimplantation of the antitumor effect mediated by host antitumor immunity. Importantly, it has also been noted that in mice with antitumors implanted on both sides of the back, an injection of HF10 on only one side strongly restrains not only the injected antitumor but also the non-injected ones...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28285133/modification-of-atgrdp1-gene-expression-affects-silique-and-seed-development-in-arabidopsis-thaliana
#20
Aída Araceli Rodríguez-Hernández, Carlos Vladimir Muro-Medina, Jocelin Itzel Ramírez-Alonso, Juan Francisco Jiménez-Bremont
Glycine Rich Proteins (GRPs) are induced at different developmental stages and in specific plant tissues. Recently, we described a novel Arabidopsis gene encoding a short glycine-rich domain protein (AtGRDP1). This gene is involved in abiotic stress responsiveness; the Atgrdp1-null mutant seeds were more sensitive to stress, while the opposite phenotype was achieved by AtGRDP1 overexpression. In this study, we analyzed the phenotype of the fruits produced by Arabidopsis Atgrdp1 mutants and 35S::AtGRDP1 overexpression lines...
April 29, 2017: Biochemical and Biophysical Research Communications
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