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https://www.readbyqxmd.com/read/29050338/tumor-infiltrating-b-cells-producing-antitumor-active-immunoglobulins-in-resected-hcc-prolong-patient-survival
#1
Stefan M Brunner, Timo Itzel, Christoph Rubner, Rebecca Kesselring, Eva Griesshammer, Matthias Evert, Andreas Teufel, Hans J Schlitt, Stefan Fichtner-Feigl
BACKGROUND & AIMS: The immunological microenvironment of HCC influences patient outcome, however, the role of B cells remains unclear. This study investigated effects of local B-cell infiltration in HCC cohorts on patient survival and immunological and molecular tumor microenvironment. RESULTS: Unsupervised gene expression analysis of full cancer transcriptomes (N=2158) revealed a highly co-regulated immunological cluster in HCC that mainly contained immunoglobulin fragments...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29030443/a-novel-metabolic-pathway-for-n-methylpyrrolidone-degradation-in-alicycliphilus-sp-bq1
#2
Claudia Julieta Solís-González, Lilianha Domínguez-Malfavón, Martín Vargas-Suárez, Itzel Gaytán, Miguel Ángel Cevallos, Luis Lozano, M Javier Cruz-Gómez, Herminia Loza-Tavera
The molecular mechanisms underlying the biodegradation of N-Methylpyrrolidone (NMP), a widely used industrial solvent that produces skin irritation in humans, and is teratogenic in rats, are unknown. Alicycliphilus sp. BQ1 degrades NMP. By studying a transposon-tagged mutant unable to degrade NMP, we identified a six-gene cluster (nmpABCDEF), transcribed as a polycistronic mRNA, encoding enzymes involved in NMP biodegradation. nmpA and the transposon-affected gene nmpB encode a N-methylhydantoin amidohydrolase that would transform NMP to γ-N-methylaminobutyric acid; this would be metabolized by an aminoacid oxidase (NMPC), either by demethylation to produce γ-aminobutyric acid (GABA), or by deamination to produce succinate semialdehyde (SSA)...
October 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28972848/noticing-learners-strengths-through-cultural-research
#3
Barbara Rogoff, Andrew D Coppens, Lucía Alcalá, Itzel Aceves-Azuara, Omar Ruvalcaba, Angélica López, Andrew Dayton
Cultural research can help to identify strengths of cultural communities that are often viewed through a deficit model. Strengths-based approaches open researchers, practitioners, and the public to seeing the logic and value of cultural practices that vary from mainstream approaches. Strengths-based approaches include and extend beyond concerns for social equity: They are necessary for scientific characterization of human cognitive and social processes as well as for effective educational and societal practices...
September 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28892950/riley-day-syndrome-in-a-hispanic-infant-of-non-jewish-ashkenazi-descent
#4
Abel Ramírez-Estudillo, Gerardo González-Saldivar, Itzel Espinosa-Soto, Jesús González-Cortez, Alejandro Salcido-Montenegro
Riley-Day syndrome is an autosomal recessive sensory and autonomic neuropathy. Patients present a lack of fungiform papilla, alacrima and usually feeding difficulties. It is present almost exclusively in Ashkenazi Jewish individuals and has a poor prognosis. We describe an unusual case of Riley-Day syndrome with pseudostrabismus in a non-Ashkenazi Jewish patient. A one-year-old female infant was referred for evaluation of strabismus, absence of fungiform papillae, feeding difficulty, gastroesophageal reflux and episodes of self-mutilation...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28880814/investigation-of-full-scale-ozonation-at-a-municipal-wastewater-treatment-plant-using-a-toxicity-based-evaluation-concept
#5
Fabian Itzel, Linda Gehrmann, Helena Bielak, Paul Ebersbach, Andrea Boergers, Heinrich Herbst, Christian Maus, Anne Simon, Elke Dopp, Monika Hammers-Wirtz, Torsten C Schmidt, Jochen Tuerk
Effluents from municipal wastewater treatment plants (WWTPs) are known to be point sources of micropollutants for surface waters. The aim of this study was to examine a reconstructed full-scale ozonation equipped with a pump-injector system for ozone (O3) dosage and a fluidized moving-bed reactor as biological posttreatment at a municipal WWTP utilizing an effect-directed approach. This approach consists of chemical analysis in combination with toxicological tests for the assessment of treatment efficiency of the plant...
September 7, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28876141/utility-of-soluble-triggering-receptor-expressed-on-myeloid-cells-1-strem-1-as-biomarker-to-predict-therapeutic-response-to-methotrexate-in-rheumatoid-arthritis
#6
Jorge I Gamez-Nava, David Bonilla-Lara, Juan M Ponce-Guarneros, J Alejandro Zuñiga-Mora, Edsaul E Perez-Guerrero, Jessica D Murillo-Vazquez, Itzel N Becerra-Alvarado, N Alejandra Rodriguez-Jimenez, A Miriam Saldaña-Cruz, M Luisa Vazquez-Villegas, Erika Y Vera-Navarrete, Fabiola Gonzalez-Ponce, Laura Gonzalez-Lopez
The objective of this study was to investigate the usefulness of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) in predicting short-term therapeutic response to methotrexate (MTX) in rheumatoid arthritis (RA). Patients with active RA, with Disease Activity Score-28 joints (DAS-28) >3.2, starting oral MTX, were included. We measured at baseline, 3 and 6 mo: DAS-28, Health Assessment Questionnaire-Disability Index (HAQ-DI), patient's perception of disease severity, morning stiffness and pain, as well as modifications in sTREM-1 levels...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/28858873/circulating-triglycerides-and-the-association-of-triglycerides-with-dietary-intake-are-altered-by-alpha-2-heremans-schmid-glycoprotein-polymorphisms
#7
Katie N Robinson, Itzel Vazquez-Vidal, Courtney Marques, Flavia Cristina Drumond Andrade, Celia Aradillas-Garcia, Margarita Teran-Garcia
BACKGROUND: Circulating fetuin-A (FetA) inhibits insulin receptor signaling and activates the toll-like receptor 4 proinflammatory cascade; thus, it may contribute to metabolic syndrome. Polymorphisms in alpha-2-Heremans-Schmid glycoprotein (AHSG), the gene which codes FetA, may influence metabolic syndrome progression in higher-risk ethnic groups. We aimed to identify whether individual variation in AHSG influences biomarkers of metabolic disease and obesity in young Mexican adults. METHODS: The participants were Mexican college applicants (18-25 years, n = 641)...
August 31, 2017: Journal of Nutrigenetics and Nutrigenomics
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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