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Visual perception alterations in COVID-19:a preliminary study

International Journal of Ophthalmology(English edition) 2023年第1期16卷 1-9页

作者： María Begoña Coco-Martín Luis Leal-Vega Irene Alcoceba-Herrero Ainhoa Molina-Martín dolores de-fez María JoséLuque Carlos Dueñas-Gutiérrez Juan Francisco Arenillas-Lara David PPiñero Group of Applied Clinical Neurosciences and Advanced Data Analysis Department of MedicineDermatology and ToxicologyUniversity of ValladolidValladolid 47005Spain Group of Optics and Visual Perception Department of OpticsPharmacology and AnatomyUniversity of AlicanteAlicante 03690Spain department of Optics and Optometry and Vision SciencesUniversity of ValenciaValencia 46100Spain COVID-19 Unit Department of Internal MedicineUniversity Clinical Hospital of ValladolidValladolid 47003Spain Stroke Unit Department of NeurologyUniversity Clinical Hospital of ValladolidValladolid 47003Spain Clinical Optometry Unit Department of OphthalmologyVithas Medimar International HospitalAlicante 03016Spain

AIM:To compare the visual perception(color and chromatic-achromatic contrast vision)of a small cohort of COVID-19 patients at the time of infection and after 6mo with that of a healthy population matched for sex and age.METHODS:A total of 25 patients(9 females,16 males,mean age:54±10y)with COVID-19 hospitalized in the COVID-19 Unit of the University Clinical Hospital of Valladolid were recruited for this preliminary study.Visual perception,as determined by monocular measurement of contrast sensitivity function(CSF)and color vision was assessed in each patient using the Optopad test.The results obtained were then compared with those of a sample of 16 age-and sex-matched healthy controls(5 females,11 males,mean age:50±6y)in which the same measurement procedure was repeated.Statistically significant differences between groups were assessed using the Mann-Whitney U test.Measurements were repeated after a minimum follow-up period of 6mo and statistically significant differences between the two time points in each group were assessed using the Wilcoxon signed rank test.RESULTS:Discrimination thresholds(color and chromatic-achromatic contrast vision)and their corresponding sensitivity,calculated as the inverse of the discrimination threshold,were evaluated.Analysis of the data revealed higher contrast threshold results(i.e.,worse contrast sensitivity)in the COVID-19 group than in the control group for all spatial frequencies studied in the Optopad-CSF achromatic test and most of the spatial frequencies studied in the Optopad-CSF chromatic test for the red-green and blue-yellow mechanisms.In addition,color threshold results in the COVID-19 group were also significantly higher(i.e.,worse color sensitivity)for almost all color mechanisms studied in the Optopad-Color test.At 6mo,most of the differences found between the groups were maintained despite COVID-19 recovery.CONCLUSION:The present results provide preliminary evidence that visual perception may be impaired in COVID-19,even when the infection has passed.Although fur

关键词： SARS-CoV-2 COVID-19 visual perception contrast sensitivity function color vision

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Visual function alterations in essential tremor: A case report

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Journal of Innovative Optical Health Sciences 2015年第5期8卷 94-98页

作者： David P.Pinero Begona Monllor Vicenta Moncho Vicent J.Camps dolores de fez Grupo de Optica y Percepcion Visual(GOPV)department of Optics Pharmacology and Anatomy University of AlicanteSpain department of Ophthalmology(OFTALMAR)Medimar International Hospital AlicanteSpain Foundation for the Visual Quality(Fundacion para la Calidad Visual FUNCAVIS)

Our purpose is to report alterations in contrast sensitivity function(CSF)and in the magno,parvo and koniocellular visual pathways by means of a multichannel perimeter in case of an essential tremor(ET).A complete evaluation of the visual function was performed in a 69-year old patient,including the analysis of the chromatic discrimination by the Fansworth–Munsell 100 hue test,the measurement of the CSF by the CSV-1000E test,and the detection of potential alteration patterns in the magno,parvo and koniocellular visual pathways by means of a multichannel perimeter.Visual acuity and intraocular pressure(IOP)were within the ranges of normality in both eyes.No abnormalities were detected in the fundoscopic examination and in the optical coherence tomography(OCT)exam.The results of the color vision examination were also within the ranges of normality.A signi¯cant decrease in the achromatic CSFs for right eye(RE)and left eye(LE)was detected for all spatial frequencies.The statistical global values provided by the multichannel perimeter confirms that there were significant absolute sensitivity losses compared to the normal pattern in RE.In the LE,only a statistically significant decrease in sensitivity was detected for the blue-yellow(BY)channel.The pattern standard deviation(PSD)values obtained in our patient indicated that there were significant localized losses compared to the normality pattern in the achromatic channel of the RE and in the red-green(RG)channel of the LE.Some color vision alterations may be present in ET that cannot be detected with conventional color vision tests,such as the FM 100 Hue.

关键词： Multichannel perimetry essential tremor color vision visual pathways contrast sensitivity

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普通用户电子设备使用距离的特征分析

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国际眼科杂志 2021年第9期21卷 1508-1514页

作者： Fernando Soler Alicia Sánchez-García Ainhoa Molina-Martín dolores de fez Valentín Díaz David P Piñero Innova Ocular Clinica Dr Soler 西班牙埃尔切03202 Dr Soler Foundation of the Valencian Community 西班牙埃尔03202 阿里坎特大学药理学、解剖学与光学系西班牙阿里坎特03690

目的:分析普通用户使用电子设备/电脑的工作距离(WD)及移动电话使用距离(MPUD)的特征。方法:横向描述性研究。经过筛选后,纳入每天使用电子设备/电脑超过2h的专业人员100例,年龄20-62(平均41.2)岁,测量每位受试者工作环境中使用电子设备... 详细信息

目的:分析普通用户使用电子设备/电脑的工作距离(WD)及移动电话使用距离(MPUD)的特征。方法:横向描述性研究。经过筛选后,纳入每天使用电子设备/电脑超过2h的专业人员100例,年龄20-62(平均41.2)岁,测量每位受试者工作环境中使用电子设备/电脑的工作距离(WD)、手臂长度和MPUD。结果:纳入受检者WD明显长于MPUD(61.22±12.35 vs 32.22±6.35 cm;P<0.001),MPUD明显短于臂长(74.44±4.65 cm;P<0.001)。4%和91%的受检者WD和MPUD分别小于或等于40 cm。WD与MPUD、手臂长度均呈弱相关性(r=0.387,P<0.001;r=0.260,P<0.001)。不同职业受试者WD有显著差异(P=0.021),军队人员相比大学研究人员和讲师的WD更长(P=0.025)。结论:普通用户使用电子设备/电脑的工作距离与移动电话使用距离差别较大,移动电话使用距离较近,这对于矫正老视具有一定的参考意义。

关键词：老视工作距离移动电话使用距离电子设备

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Machine learning in liver surgery:Benefits and pitfalls

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World Journal of Clinical Cases 2024年第12期12卷 2134-2137页

作者： Rafael Calleja Manuel Durán María dolores Ayllón Ruben Ciria Javier Briceño Hepatobiliary Surgery and Liver Transplantation Unit Hospital Universitario Reina SofíaMaimonides Biomedical Research Institute of CordobaCórdoba 14004Spain

The application of machine learning(ML)algorithms in various fields of hepatology is an issue of interest.However,we must be cautious with the results.In this letter,based on a published ML prediction model for acute kidney injury after liver surgery,we discuss some limitations of ML models and how they may be addressed in the future.Although the future faces significant challenges,it also holds a great potential.

关键词： Machine learning Liver surgery Artificial intelligence Random forest Prediction model

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dendritic spine degeneration:a primary mechanism in the aging process

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Neural Regeneration Research 2025年第6期 1696-1698页

作者： Gonzalo Flores Leonardo Aguilar-Hernández Fernado García-dolores Humberto Nicolini Andrea Judith Vázquez-Hernández Hiram Tendilla-Beltrán Instituto de Fisiología Benemérita Universidad Autónoma de Puebla (BUAP) Instituto de Ciencias Forenses (INCIFO) Tribunal Superior de Justicia de la Ciudad de México (TSJCDMX) Instituto Nacional de Medicina Genómica (INMEGEN)

Recent reports suggest that aging is not solely a physiological process in living beings; instead, it should be considered a pathological process or disease(Amorim et al., 2022). Consequently, this process involves a wide range of factors, spanning from genetic to environmental factors, and even includes the gut microbiome(GM)(Mayer et al., 2022). All these processes coincide at some point in the inflammatory process, oxidative stress, and apoptosis, at different degrees in various organs and systems that constitute a living organism(Mayer et al., 2022; AguilarHernández et al., 2023).

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Male genitourinary schistosomiasis-related symptoms among long-term Western African migrants in Spain: a prospective population-based screening study

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贫困所致传染病(英文) 2024年第2期13卷 1-10页

作者： Roure Sílvia Vallès Xavier Pérez-Quílez Olga López-Mu?oz Israel Chamorro Anna Abad Elena Valerio Lluís Soldevila Laura Espa?a Sergio Hegazy Alaa H. A. Fernández-Rivas Gema Gorriz Ester Herena dolores Oliveira Mário Miralles Maria Carme Conde Carmen Montero-Alia Juan José Fernández-Pedregal Elia Miranda-Sánchez Jose Llibre Josep M. Isnard Mar Bonet Josep Maria Estrada Oriol Prat Núria Clotet Bonaventura The Schisto-Stop study group Primary Health Care Unit Mataró-(Rocafonda-Palau) Barcelona North Metropolitan Health Directorate Catalan Institute for Health Camí Ral el Ravalet Mataró Barcelona Spain Barcelona North Metropolitan Primary Care Directorate Catalan Institute for Health Ctra. de Barcelona Sabadell Barcelona Spain Directorate for Innovation and Interdisciplinary Cooperation Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Can Ruti S/N Badalona Spain IrsiCaixa-AIDS Research Institute Hospital Universitari Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain Infectious Diseases Directorate Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Can Ruti S/N Badalona Spain International Health Program (PROSICS) Barcelona North Metropolitan Territorial Directorate for Infectious Diseases Catalan Institute for Health CAP La Salut Passatge dels Encants S/N Badalona Spain Fundació Lluita contra les Infeccions c/Can Ruti s/n Badalona Spain Infectious Diseases department Hospital Universitari Germans Trias i Pujol c/Can Ruti s/n Badalona Spain Germans Trias i Pujol Research Institute c/Can Ruti s/n Badalona Spain Microbiology department Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain department of Genetics and Microbiology Universitat Autònoma de Barcelona c/Can Ruti s/n Badalona Spain Faculty of Medicine University of Asyut El Fateh Assiut Governorate Egypt department of Urology Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain Canovelles Primary Health Care Unit Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Indústria Canovelles Spain

Background Schistosomiasis is highly endemic in sub-Saharan Africa and frequently imported to Europe. Male urogenital manifestations are often neglected. We aimed to ascertain the prevalence of genitourinary clinical signs and symptoms among long-term African migrants in a non-endemic European country using a serology test.Methods We carried out a prospective, community-based cross-sectional study of adult male migrants from sub-Saharan Africa living in Spain.Schistosoma serology tests and microscopic urine examinations were carried out, and clinical data were obtained from an electronic medical record search and a structured questionnaire.Results We included 388 adult males, mean age 43.5 years [Standard deviation (SD) = 12.0, range: 18–76]. The median time since migration to the European Union was 17 [Interquartile range (IQR): 11–21] years. The most frequent country of origin was Senegal (N = 179, 46.1%). Of the 338, 147 (37.6%) tested positive forSchistosoma. Parasite eggs were present in the urine of only 1.3%. Nine genitourinary clinical items were significantly associated with positiveSchistosoma serology results: pelvic pain (45.2%;OR = 1.57, 95%CI: 1.0–2.4), pain on ejaculation (14.5%;OR = 1.85, 95%CI: 1.0–3.5), dyspareunia (12.4%;OR = 2.45, 95%CI: 1.2–5.2), erectile dysfunction (9.5%;OR = 3.10, 95%CI: 1.3–7.6), self-reported episodes of infertility (32.1%;OR = 1.69, 95%CI: 1.0–2.8), haematuria (55.2%;OR = 2.37, 95%CI: 1.5–3.6), dysuria (52.1%;OR = 2.01, 95%CI: 1.3–3.1), undiagnosed syndromic STIs (5.4%), and orchitis (20.7%;OR = 1.81, 95%CI: 1.0–3.1). Clinical signs tended to cluster.Conclusions Urogenital clinical signs and symptoms are prevalent among male African long-term migrants with a positiveSchistosoma serology results. Genital involvement can be frequent even among those with long periods of non-residence in their sub-Saharan African countries of origin. Further research is needed to develop diagnostic tools and validate therapeutic approaches to chronic schistosomiasis.

关键词： Schistosomiasis Chronic schistosomiasis Urogenital schistosomiasis Male genital schistosomiasis Longterm migrant

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Alexander disease:the road ahead

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Neural Regeneration Research 2023年第10期18卷 2156-2160页

作者： María A.Pajares Elena Hernández-Gerez Milos Pekny dolores Pérez-Sala department of Structural and Chemical Biology Centro de Investigaciones Biológicas Margarita SalasMadridSpain Laboratory of Astrocyte Biology and CNS Regeneration Center for Brain RepairDepartment of Clinical NeuroscienceInstitute of Neuroscience and PhysiologySahlgrenska Academy at the University of GothenburgGothenburgSweden University of Newcastle NewcastleNSWand the Florey Institute of Neuroscience and Mental HealthParkvilleVICAustralia

Alexander disease is a rare neurodegenerative disorder caused by mutations in the glial fibrillary acidic protein,a type III intermediate filament protein expressed in astrocytes.Both early(infantile or juvenile)and adult onsets of the disease are known and,in both cases,astrocytes present characteristic aggregates,named Rosenthal fibers.Mutations are spread along the glial fibrillary acidic protein sequence disrupting the typical filament network in a dominant manner.Although the presence of aggregates suggests a proteostasis problem of the mutant forms,this behavior is also observed when the expression of wild-type glial fibrillary acidic protein is increased.Additionally,several isoforms of glial fibrillary acidic protein have been described to date,while the impact of the mutations on their expression and proportion has not been exhaustively studied.Moreover,the posttranslational modification patterns and/or the protein-protein interaction networks of the glial fibrillary acidic protein mutants may be altered,leading to functional changes that may modify the morphology,positioning,and/or the function of several organelles,in turn,impairing astrocyte normal function and subsequently affecting neurons.In particular,mitochondrial function,redox balance and susceptibility to oxidative stress may contribute to the derangement of glial fibrillary acidic protein mutant-expressing astrocytes.To study the disease and to develop putative therapeutic strategies,several experimental models have been developed,a collection that is in constant growth.The fact that most cases of Alexander disease can be related to glial fibrillary acidic protein mutations,together with the availability of new and more relevant experimental models,holds promise for the design and assay of novel therapeutic strategies.

关键词： astrocytes endoplasmic reticulum stress glial fibrillary acidic protein mutants metabolism misassembly misfolding neurodegeneration oxidative stress posttranslational modifications unfolded protein response

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Characterization and QTL identification in eggplant introgression lines under two N fertilization levels

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Horticultural Plant Journal(园艺学报:英文版) 2023年第5期9卷 971-985页

作者： Elena Rosa-Martínez Gloria Villanueva Ahmet Sahin Pietro Gramazio María dolores García-Martínez María dolores Raig on Santiago Vilanova Jaime Prohens Mariola Plazas Instituto de Conservacion y Mejora de la Agrodiversidad Valenciana Universitat Politecnica de ValenciaCamino de Vera 1446022 ValenciaSpain Instituto de Biología Molecular y Celular de Plantas Consejo Superior de Investigaciones Científicas-Universitat Politecnica de ValenciaCamino de Vera 1446022 ValenciaSpain

Lowering nitrogen inputs is a major goal for sustainable agriculture.In the present study,a set of 10 Solanum melongena introgression lines(ILs)developed using Solanum incanum as the exotic donor parent were grown under two nitrogen fertilization doses supplied with the irrigation system:1)8.25 mmol·L-1NH4NO3,corresponding to the high nitrogen treatment(HN),and 2)no external nitrogen supply,corresponding to the low nitrogen treatment(LN).Twenty traits,including plant growth and yield parameters,fruit size and morphology,nitrogen and carbon content in leaf and fruit,and phenolics content in fruit,were evaluated.The aim was to select of potential materials for eggplant breeding under low N inputs,as well as to identify and locate putative QTLs associated with the traits evaluated.No significant differences were observed between the soil characteristics of the HN and LN treatments,except for nitrogen and iron content,which was slightly lower in the HN,probably as a consequence of higher nutrient removal from soil by plants in the latter group.Analysis of variance showed that lowering nitrogen inputs did not significantly affect the final yield,fruit morphology,size and phenolics content.Most agronomic traits were highly and positively correlated with each other under both treatments,as well as total phenolics with chlorogenic acid content.The assessment of the differences between each IL and the recipient parent resulted in the identification of 36 QTLs associated with most of the traits—12 were specific to the HN,17 specific to the LN,and 7 were stable across treatments.The introgressed fragment of S.incanum generally had a negative effect on the trait,except for QTLs for fruit dry matter,for fruit length on chromosome 10 under the HN,and for fruit pedicel length on chromosome 9 under the LN.The increase over AN-S-26 of the allele of S.incanum for the QTLs detected ranged between-73.98% and 26.03% in HN and-73.67%and 34.43% in LN.These findings provide useful tools for the utilization of S.incanum in eggplant breed

关键词： Solanum melongena Solanum incanum Wild relatives N fertilization Abiotic stress QTL

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Absorption of methionine sources in animals-is there more to know?

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Animal Nutrition 2023年第1期12卷 159-170页

作者： Philippe Becquet Mercedes Vazquez-Anon Yves Mercier dolores I.Batonon-Alavo Frances Yan Karen Wedekind Tahir Mahmood IMAA BrusselsBelgium Novus International Saint CharlesMissouriUSA Adisseo France SAS AntonyFrance

This literature review evaluates the absorption of methionine (Met) sources such as 2-hydroxy-4-methylthiobutyric acid (HMTBa), its calcium salts (HMTBa-Ca), and DL-methionine (DL-Met) by focusing on the state of knowledge regarding the absorption mechanism, experimental methodology, and factors affecting their absorption. The 2 Met sources differ in mechanism and site of absorption due to differences in their chemical characteristics and enzymatic conversion. This review addresses diffusion- and transport-mediated absorption systems for amino acids and carboxylic compounds, best elucidated by in vitro, ex vivo, and in vivo experimental models. Opportunities and limitations in the use of radioisotopes to depict absorption sites as well as host and microbial metabolism are described. Physiological and environmental conditions that lead to changes in gut absorptive capacity and the impact of Met source absorption are also evaluated. This review concludes that any comparison between HMTBa and DL-Met should consider their different behaviors during the absorption phase. Hence, the chemical characteristics of these 2 molecules entail different absorption sites and mechanisms, from passive absorption in the case of HMTBa and HMTBa-Ca to active transporters for DL-Met, HMTBa, and HMTBa-Ca. In addition, the different conversion modes of these 2 molecules further differentiate their absorption modes. Considering these important differences, it is easier to understand the apparent divergence between the conclusions of existing publications. When comparing these 2 molecules, it is recommended to properly adapt to the conditions under which the absorption of Met sources is evaluated.

关键词： DL-Methionine Hydroxy-analog of methionine 2-Hydroxy-4-methylthiobutyric acid AbsorptionM ethodology

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利用强子探针研究奇特原子核的点质子分布半径及强子探针效应

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Science Bulletin 2024年第11期69卷 1647-1652页

作者：张寂潮孙保华 Isao Tanihata Rituparna Kanungo Christoph Scheidenberger Satoru Terashima 王枫 Frederic Ameil Joel Atkinson Yassid Ayyad Soumya Bagchi dolores Cortina-Gil Iris Dillmann Alfredo Estradé Alexey Evdokimov Fabio Farinon Hans Geissel Giulia Guastalla Rudolf Janik Satbir Kaur Ronja Knöbel Jan Kurcewicz Yury Litvinov Michele Marta Magdalena Mostazo Ivan Mukha Chiara Nociforo Hooi Jin Ong Stephane Pietri Andrej Prochazka Branislav Sitar Peter Strmen Maya Takechi Junki Tanaka Jossitt Vargas Helmut Weick John Stuart Winfield School of Physics Beihang UniversityBeijing 100191China Research Center for Nuclear Physics(RCNP) Osaka UniversityOsaka 567-0047Japan Astronomy and Physics department Saint Mary’s UniversityHalifax B3H 3C3Canada TRIUMF Vancouver V6T 4A3Canada GSI Helmholtzzentrum für Schwerionenforschung Darmstadt D-64291Germany Justus-Liebig University Gießn 35392Germany Helmholtz Research Academy Hesse for FAIR(HFHF) GSI Helmholtz Center for Heavy Ion ResearchGießn 35392Germany Universidad de Santiago de Compostela Santiago de Compostella E-15706Spain department of Physics Indian Institute of Technology(Indian School of Mines)Dhanbad 826004India Faculty of Mathematics and Physics Comenius UniversityBratislava 84215Slovakia department of Physics and Atmospheric Science Dalhousie UniversityHalifax B3H 4R2Canada

We report the charge-changing cross sections(σ_(cc))of 24 p-shell nuclides on both hydrogen and carbon at about 900A MeV,of which^(8,9)Li,^(10–12)Be,^(10,14,15)B,^(14,15,17–22)N and^(16)O on hydrogen and^(8,9)Li on carbon are for the first time.Benefiting from the data set,we found a new and robust relationship between the scaling factor of the Glauber model calculations and the separation energies of the nuclei of interest on both targets.This allows us to deduce proton radii(R_p)for the first time from the cross sections on hydrogen.Nearly identical R_p values are deduced from both target data for the neutron-rich carbon isotopes;however,the R_p from the hydrogen target is systematically smaller in the neutron-rich nitrogen isotopes.This calls for further experimental and theoretical investigations.

关键词： Exotic nuclei Nuclear size Reaction cross section Glauber model Radioactive ion beam

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