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Obstructive uropathy: Overview of the pathogenesis, etiology and management of a prevalent cause of acute kidney injury

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World Journal of Nephrology 2024年第2期13卷 5-15页

作者： Xabier Pérez-Aizpurua Ramiro Cabello Benavente Gonzalo Bueno serrano joséMaría Alcázar Peral Blanca Gómez-Jordana Mañas Jaime Tufet i Jaumot Joaquín Ruiz de Castroviejo Blanco Felipe Osorio Ospina Carmen Gonzalez-Enguita department of Urology Hospital Universitario Fundación Jiménez DíazMadrid 28015MadridSpain

Obstructive uropathy is defined as the structural or functional interruption of urinary outflow at any level in the urinary *** is regarded as one of the most prevalent causes of acute kidney injury(AKI),accounting for 5%–10%of *** severe obstruction of the urinary tract is a potentially threatening situation for the kidneys and therefore requires prompt identification and management to relieve *** aim of the present article is to review and synthesize available evidence on obstructive uropathy,providing a clinical guideline for clinicians.A literature review on obstructive uropathy in the context of AKI was performed,focusing on the least clarified aspects regarding diagnosis and *** literature searching was conducted in English and top-level evidence articles including systematic reviews,metanalyses and large series were *** obstruction of the urinary tract is a diagnostic and therapeutical challenge that may lead to important clinical complications together with direct structural and hemodynamic damage to the *** recognition of the leading cause and its exact location is essential to ensure prompt urinary drainage together with the most suitable drainage technique selection.A multidisciplinary approach,including urologists,nephrologists,and other medical specialties,is best suited to correctly manage concomitant hemodynamic changes,fluid and electrolyte imbalances,and other related *** uropathy is one of the leading causes of *** of patients suitable for early diversion and feasibility or adequate selection of the indicated technique is sometimes challeng-ing.A thorough understanding of the physiopathology behind the development of urinary obstruction is vital for correct diagnosis and management.

关键词： Obstructive uropathy Urinary tract obstruction Obstruction of the urinary tract Acute kidney injury Urinary diversion Renal recovery

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Impact of payment source, referral site, and place of residence on outcomes after allogeneic transplantation in Mexico

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World Journal of Transplantation 2024年第2期14卷 76-87页

作者： Andrés Gómez-de León Yesica A López-Mora Valeria García-Zárate Ana Varela-Constantino sergio U Villegas-de Leon Xitlaly J González-Leal Raúl del Toro-Mijares Anna C Rodríguez-Zúñiga Juan F Barrios-Ruiz Victor Mingura-Ledezma Perla R Colunga-Pedraza Olga G Cantú-Rodríguez César H Gutiérrez-Aguirre Luz Tarín-Arzaga Elías E González-López David Gómez-Almaguer Hematology service Universidad Autónoma de Nuevo LeónFacultad de Medicina y Hospital Universitario Dr.JoséEleuterio GonzálezMonterrey 64460Nuevo LeónMexico Hemato-logy service Clínica Gómez AlmaguerMonterrey 64710Nuevo LeónMexico Hematology service Instituto Tecnológico de Estudios Superiores de MonterreyTec SaludEscuela de Medicina Ignacio SantosMonterrey 64710Nuevo LeónMexico

BACKGROUND The impact of social determinants of health in allogeneic transplant recipients in low-and middle-income countries is poorly *** observational study analyzes the impact of place of residence,referring institution,and transplant cost coverage(out-of-pocket vs government-funded vs private insurance)on outcomes after allogeneic hematopoietic stem cell transplantation(alloHsCT)in two of Mexico's largest public and private *** To evaluate the impact of social determinants of health and their relationship with outcomes among allogeneic transplant recipients in *** In this retrospective cohort study,we included adolescents and adults≥16 years who received a matched sibling or haploidentical transplant from *** were selected without regard to their diagnosis and were sourced from both a private clinic and a public University Hospital in *** payment groups were compared:Out-of-pocket(OOP),private insurance,and a federal Universal healthcare program“seguro Popular”.Outcomes were compared between referred and institution-diagnosed patients,and between residents of Nuevo Leon and *** outcomes included overall survival(Os),categorized by residence,referral,and payment *** outcomes encompassed early mortality,event-free-survival,graft-versus-host-relapse-free survival,and non-relapse-mortality(NRM).statistical analyses employed appropriate tests,Kaplan-Meier method,and Cox proportional hazard regression *** software included sPss and R with tidycmprsk *** Our primary outcome was overall *** included 287 patients,n=164 who lived out of state(57.1%),and n=129 referred from another institution(44.9%).The most frequent payment source was OOP(n=139,48.4%),followed by private insurance(n=75,26.1%)and universal coverage(n=73,25.4%).No differences in Os,event-free-survival,NRM,or graft-versus-host-relapse-free survival were observed for patients dia

关键词： Hematopoietic cell transplant social determinants of health Geography Haploidentical Out-of-pocket Financial toxicity survival Health services and outcomes Hematopoietic malignancy Aplastic anemia

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Near-infrared leaf reflectance modeling of Annona emarginata seedlings for early detection of variations in nitrogen concentration

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Journal of Forestry Research 2023年第1期34卷 269-282页

作者： Rafaela Lancas Gomes Marília Caixeta sousa Felipe Girotto Campos Carmen sílvia Fernandes Boaro josé Raimundo de souza Passos Gisela Ferreira Bioestatistic Plant BiologyParasitology and Zoology DepartmentBioscience Institute(IBB)Universidade Estadual Paulista(UNESP)BotucatuSao PauloBrazil

Nitrogen(N)monitoring is essential in nurseries to ensure the production of high-quality *** spectroscopy(NIRs)is an instantaneous,nondestructive method to monitor *** data such as NIRs can also provide the basis for developing a new vegetation spectral index(VsI).Here,we evaluated whether NIRs combined with statistical modeling can accurately detect early variations in N concentration in leaves of young plants of Annona emargiaata and developed a new VsI for this *** were grown in a hydroponics system with 0,2.75,5.5or 11 mM N for 45 *** we measured gas exchange,chlorophylla fluorescence,and pigments in leaves;analyzed complete leaf nutrients,and recorded spectral data for leaves at 966 to 1685 nm using *** a statistical learning approach,the dimensionality of the spectral data was reduced,then models were generated using two classes(N deficiency,N)or four classes(0,2.75,5.5,11 mM N).The best combination of techniques for dimensionality reduction and classification,respectively,was stepwise regression(PROC sTEPDIsC)and linear discriminant *** was possible to detect N deficiency in seedlings leaves with 100%precision,and the four N concentrations with93.55%accuracy before photosynthetic damage to the plant ***,NIRs combined with statistical modeling of multidimensional data is effective for detecting N variations in seedlings leaves of ***.

关键词： Mineral nutrition of plants Near-infrared spectroscopy spectral vegetation index Digital signature statistical learning Fluorescence of chlorophylla

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Geochemistry and mineralogy of beach sediments in the northern Gulf of Mexico,Tamaulipas state,Mexico:implication for provenance

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Journal of Palaeogeography 2024年第3期13卷 375-400页

作者： Mayank shukla sanjeet K.Verma Mayla A.Ramos-Vázquez John s.Armstrong-Altrin Karla R.Hernández-Martínez sumit Mishra Vivek P.Malviya Héctor Hernández-Mendoza Posgrado de la Division de Geociencias Aplicadas Instituto Potosino de Investigacion Científica y Tecnologica(IPICYT)Camino a la Presa San José2055San Luis Potosí78216Mexico Division de Geociencias Aplicadas Instituto Potosino de Investigación Científica y Tecnologica(IPICYT)Camino a la Presa San Jose 2055San Luis Potosí78216Mexico Universidad Nacional Autonoma de México Instituto de Ciencias del Mar y LimnologíaUnidad de ProcesosOceanicos y CosterosCiudad UniversitariaCiudad de México 04510Mexico department of Marine sciences Bharathidasan UniversityTiruchirappalli620024Tamil NaduIndia Instituto de Geociencias Universidad Nacional Autonoma de MéxicoBoulevard Juriquilla 300176230JuriquillaQueretaroMexico department of Applied Geology Dr.Harisingh Gour Central UniversitySagar470002Madhya PradeshIndia Instituto de Investigacion de Zonas desérticas Universidad Autònoma de San Luis PotosíAltair 200CP 78377San LuisS.L.P.Mexico Universidad del Centro de Mexico Capitán Caldera 75CP 78250San LuisS.L.P.Mexico

Geochemical and mineralogical studies were performed in the La Pesca(LP)and Tesoro Altamira(TA)beach sediments,located in the Tamaulipas state,northern Gulf of *** main aim of this study is to infer the weathering history and provenance and to discriminate the tectonic environment of the beach *** sediments are composed of quartz with small amounts of accessory minerals such as plagioclase,calcite,orthoclase,microcline,and *** beach sediments are classified as fine-grained and very well sorted,however LP has coarse skewed and leptokurtic sediments,whereas TA has fine-skewed and very leptokurtic *** chemical index of weathering(CIW’)indicates intense weathering in the source *** quartz grain microtextures in the LP and TA are classified into mechanical,chemical,and mechanical/chemical *** features such as fractures,pits,percussion marks,abrasion fatigue,and V-shaped marks favor high-energy littoral,fluvial,subaqueous-marine,and aeolian *** chemical features indicate solution pits and crystalline overgrowth,which suggests a silica saturated marine *** mechanical/chemical features display adhering particles and elongated depressions suggest formation in a sub-aqueous nearshore marine *** and trace elements-based provenance discrimination diagrams indicate a felsic source derived from the Mesa Central(MC),sierra Madre Oriental(sMOr)and Oaxaquia *** major and trace element concentrations imply a passive margin setting for the northern Gulf of Mexico,which is consistent with the general geology.

关键词： Beach sediments Geochemistry Mineralogy Provenance Tamaulipas Tectonic setting

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Retrospective study of HIV drug resistance in Mexican children with vertically transmitted infection

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World Journal of Pediatrics 2022年第7期18卷 505-510页

作者： Cristina de jesus Herrera-Castillo Angelica Maldonado-Rodriguez Othon Rojas-Montes Ana Maria Cevallos joséGuillermo Vazquez-Rosales Rosalia Lira Infectious Diseases department Pediatrics Hospital"Silvestre Frenk Freund"National Medical Center"Siglo ⅩⅪ".Mexican Social Sccurity Instiute(IMSS).Mexico City.Mexico Infectious and Parasitie Dise ases Medical Research Unit Pediatrics Hospital"Silvestre Frenk Freund"National Medical Center“Siglo ⅩⅪ”Mexican Social Security Institute(IMSS).Col.Cuauhtemoc.Av.Cuauhtemoc 33006720 Mexico CityMexico departament of Molecular Biology and Biotechnology Biomedical Research InstituteNational Autonomous University of MexicoUNAMMexico City.Mexico

According to World Health Organization(WHO)estimates,in 2020,there were 1.8 million human immunodeficiency virus(HIV)-infected children below 15 years old living with HIV and 150,000 children who acquired the infection[1].Every year,110,000 children die as a consequence of acquired immune deficiency syndrome-related causes[2].As in adults,optimal management of infected children depends on early diagnosis and treatment with antiretroviral drugs based on their viral genotype.

关键词： infection diagnosis drugs

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A tumor-associated heparan sulfate-related glycosaminoglycan promotes the generation of functional regulatory T cells

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Cellular & Molecular Immunology 2023年第12期20卷 1499-1512页

作者： Leticia Martín-Cruz Marcos Viñuela Ioanna Kalograiaki Alba Angelina Paola Oquist-Phillips Irene Real-Arévalo Francisco Javier Cañada joséIgnacio Tudela Luis Moltó jesús Moreno-sierra joséLuis subiza Oscar Palomares department of Biochemistry and Molecular Biology School of ChemistryComplutense University of MadridMadridSpain Inmunotek Alcaláde HenaresMadridSpain Fundación Investigación Hospital Clínico san Carlos Martin Lagos s/n28040MadridSpain Centro de Investigaciones Biológicas Margarita salas CSICRamiro de Maetzu 928040MadridSpain CIBER de Enfermedades Respiratorias(CIBEREs)Avda Monforte de Lemos3-528029MadridSpain servicio de Urología Hospital Clínico San CarlosUniversidad Complutense de MadridMartín Lagos s/n28040MadridSpain

Functional Tregs play a key role in tumor development and progression,representing a major barrier to anticancer *** mechanisms by which Tregs are generated in cancer and the influence of the tumor microenvironment on these processes remain incompletely ***,by using NMR,chemoenzymatic structural assays and a plethora of in vitro and in vivo functional analyses,we demonstrate that the tumoral carbohydrate A10(Ca10),a cell-surface carbohydrate derived from Ehrlich’s tumor(ET)cells,is a heparan sulfate-related proteoglycan that enhances glycolysis and promotes the development of tolerogenic features in human ***10-stimulated human DCs generate highly suppressive Tregs by mechanisms partially dependent on metabolic reprogramming,PD-L1,IL-10,and ***10 also reprograms the differentiation of human monocytes into DCs with tolerogenic *** solid ET-bearing mice,we found positive correlations between Ca10 serum levels,tumor size and splenic Treg *** of isolated Ca10 also increases the proportion of splenic Tregs in tumor-free ***,we provide evidence supporting the presence of a circulating human Ca10 counterpart(Ca10H)and show,for the first time,that serum levels of Ca10H are increased in patients suffering from different cancer types compared to healthy *** note,these levels are higher in prostate cancer patients with bone metastases than in prostate cancer patients without ***,we reveal novel molecular mechanisms by which heparan sulfate-related structures associated with tumor cells promote the generation of functional Tregs in *** discovery of this novel structural-functional relationship may open new avenues of research with important clinical implications in cancer treatment.

关键词： Tumoral carbohydrate A10 Heparan sulfate-related proteoglycan Cancer immunology dendritic cell Regulatory T cell

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Building geometry data from online maps for accurate thermal simulations of districts

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建筑模拟(英文) 2023年第9期16卷 1659-1674页

作者： Laura Romero Rodríguez josésánchez Ramos servandoÁlvarez Domínguez Grupo Termotecnia.departamento de Máquinas y Motores Térmicos University of CádizPuerto RealCádizSpain Grupo Termotecnia.departamento de Ingenieria Energética University of SevilleSevilleSpain

Current approaches for simulating the energy performance of buildings on a large scale are limited by numerous assumptions and simplifications,which can lead to inaccurate *** new tools and procedures are emerging to improve accuracy,there remains a need for more user-friendly *** study proposes a new tool based on online maps to create the geometry of districts in a simple *** tool also enables an automatic evaluation of all buildings through dynamic hourly simulations,using a building simulation software and allowing to consider different weather *** illustrate the procedure,a district at risk of energy poverty in seville(spain)is modeled,where hourly temperature data for a whole year are available to demonstrate the need for building *** tool is used to evaluate the energy demands of the district under several retrofitting alternatives,and free-floating simulations are also performed to evaluate the improvement of thermal comfort without air-conditioning *** aim is not to discuss the actual values for this particular case,but rather to identify the correct direction for large-scale studies,so as to make them more easily ***,it may be concluded that the results provided by comprehensive tools,such as the one proposed in this study,enable easy yet accurate evaluations of buildings on a large scale with significant time savings,as well as the identification of locations where retrofitting interventions would have the greatest impact.

关键词： buildings districts energy demand efficiency GIs urban scale

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software Vulnerabilities Overview:A descriptive study

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Tsinghua science and Technology 2020年第2期25卷 270-280页

作者： Mario Calín sánchez Juan Manuel Carrillo de Gea josé Luis Fernández-Alemán jesús Garcerán Ambrosio Toval the department of Informatics and systems Faculty of Computer ScienceUniversity of Murcia

Computer security is a matter of great *** the last decade there have been numerous cases of cybercrime based on the exploitation of software *** fact has generated a great social concern and a greater importance of computer security as a *** this work,the most important vulnerabilities of recent years are identified,classified,and categorized individually.A measure of the impact of each vulnerability is used to carry out this classification,considering the number of products affected by each vulnerability,as well as its *** addition,the categories of vulnerabilities that have the greatest presence are *** on the results obtained in this study,we can understand the consequences of the most common vulnerabilities,which software products are affected,how to counteract these vulnerabilities,and what their current trend is.

关键词： descriptive study software security software vulnerabilities vulnerability databases

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Analysis of Perinatal Outcomes of Twin Pregnancy in a Referral Hospital for High Risk

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Open Journal of Obstetrics and Gynecology 2024年第7期14卷 983-995页

作者： Eduarda Paim Pedro Lucas Carneiro Ferreira Luciano selistre Fernanda Grossi josé Mauro Madi Gabriela Françoes Rostirolla Mdica Residente do Programa de Residncia em Ginecologia e Obstetrcia Hospital Geral de Caxias do Sul Rio Grande do Sul Brasil Faculdade de Medicina Universidade de Caxias do Sul Rio Grande do Sul Brasil Programa de Ps-Graduao Universidade de Caxias do Sul Rio Grande do Sul Brasil servio de Ginecologia e Obstetrcia Hospital Geral de Caxias do Sul Rio Grande do Sul Brasil

Introduction: The incidence of twin pregnancies has increased significantly in recent decades. These pregnancies require more attention due to their worse outcomes than singleton pregnancies. Objective: To analyze the characteristics and perinatal outcomes of twin pregnancies at the Caxias do sul General Hospital. Methods: This is a descriptive and retrospective study that included all births related to twin pregnancies between March 1998 and June 2018. Maternal and perinatal variables were analyzed. descriptive analyses were carried out using measures of central tendency and dispersion for continuous variables (mean and standard deviation or median and interquartile range), according to a prior assessment of distribution using the shapiro-Wilk test, and absolute (n) and relative (n%) frequencies for categorical variables. Results: 172 pairs of twins/21,972 births (0.8%) were identified. There was a high percentage of interpartum interval of less than 12 months, adherence and prenatal visits, body mass index, and need for neonatal intensive care. stillbirth and neomortality rates were within acceptable parameters. Conclusion: The sample studied showed a percentage similar to that in the literature, a high rate of maternal and perinatal complications, characterizing it as a high-risk fetal pregnancy.

关键词： Pregnancy Twin Pregnancy High Risk Pregnancy Morbidity Perinatal Mortality Perinatal Results

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sticky-MARTINI as a reactive coarse-grained model for molecular dynamics simulations of silica polymerization

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npj Computational Materials 2022年第1期8卷 467-479页

作者： AndréP.Carvalho sérgio M.santos Germán Pérez-sánchez joséD.Gouveia joséR.B.Gomes Miguel Jorge CICECO-Aveiro Institute of Materials Department of ChemistryUniversity of AveiroCampus Universitário de Santiago3810-193AveiroPortugal department of Chemical and Process Engineering University of Strathclyde75 Montrose StreetGlasgowG11XJUK

We report a molecular modeling paradigm to describe silica polymerization reactions in aqueous solutions at conditions that are representative of realistic experimental processes like biosilicification or porous silica synthesis–*** close to ambient temperatures and over a wide range of *** key point is to describe the si-O-si chemical bond formation and breakage processes through a continuous potential with a balance between attractive and repulsive interactions between suitably placed virtual sites and sticky *** simplicity of the model,its applicability in standard parallelized molecular dynamics codes,and its compatibility with the widely used MARTINI coarse-grained force-field allows for the study of systems containing millions of atoms over microsecond time *** model is calibrated to match experimental results for the temporal evolution of silica polymerization in aqueous solution close to the isoelectric point,and can describe silica polymerization and self-assembly processes during encapsulation of a surfactant micelle.

关键词： silica polymerization dynamics

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