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COVID-19 in Bouake (Côte D’Ivoire): Comparative Study of the Epidemiological, Clinical, Therapeutic, Evolutionary and Prognostic Aspects in Younger and Elderly Patients

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Advances in Infectious Diseases 2022年第2期12卷 312-327页

作者： Kone Djakaridja Kadiane-Oussou Juliette Akanji Iburaima Alamun Yapo Martine Tatiana kouamé kouamé gilles renaud Karidioula Jean Marie Adou Leioh Romeo Kone Famoussa Sule Mutiyu Akanbi Soumahoro Namory Junior Aba Yapo Thomas Kra Ouffoue Department of Infectious and Tropical Diseases University and Teaching Hospital of Bouaké Bouaké Ivory Coast COVID-19 Care Center University and Teaching Hospital of Bouaké Bouaké Ivory Coast Department of Internal Medecine University and Teaching Hospital of Bouaké Bouaké Ivory Coast

Introduction: The clinical manifestations of many diseases vary with age, and older people often do not show typical symptoms of the disease. The present study aims to compare the epidemiological, clinical, therapeutic and evolutionary aspects of elderly patients with COVID-19 compared to young adult patients and to identify risk factors for mortality. Patients and Methods: This was a retrospective single-center analytical study conducted from January 27, 2021 to January 27, 2022 at the COVID-19 Care Center of the Infectious and Tropical Diseases Department of the Bouaké University Teaching Hospital. The study population consisted of all patients aged at least 18 years seen in consultation and/or hospitalized with a positive COVID-19 RT-PCR. The patients were divided into two groups: younger patients (Results: Of a total of 779 patients, 644 (82.7%) were young. The median age of all patients was 41 years (IQR 32 - 54, extreme 18 and 96). Of all the patients 38.5% had a comorbidity. Compared to younger patients, chronic heart disease (61.7% vs 21.5%;p Conclusion: Elderly people with COVID-19 have a different clinical presentation from younger, characterized by more atypical symptoms. Mortality risk factors are age, dyspnoea, impaired consciousness and fever. It is therefore necessary to act on its various factors to improve the prognosis of COVID-19 in this age group.

关键词： Epidemiology Coronavirus SARS-Cov2 Age Bouaké

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Monkeypox in an Immunocompetent Vaccined Adult: A Case Report at the University Teaching Hospital of Bouake

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Case Reports in Clinical Medicine 2022年第10期11卷 457-464页

作者： Kone Djakaridja Yapo Martine Tatiana Kadiane-Oussou Juliette Akanji Iburaima Alamun Gue Irené Kouabenan Amon Stéphene Koné Famoussa Sule Mutiyu Akanbi kouamé kouamé gilles renaud Karidioula Jean Marie Aba Yapo Thomas Kra Ouffoue Department of Infectious and Tropical Diseases University Teaching Hospital of Bouaké Bouaké Ivory Coast Department of Medicine Alassane Ouattara University (Bouaké) Bouaké Ivory Coast Dermatology Department University Teaching Hospital of Bouaké Bouaké Ivory Coast Internal Medicine Department University Teaching Hospital of Bouaké Bouaké Ivory Coast

Introduction: With the eradication of smallpox in 1980, vaccination against smallpox ceased and there was an upsurge in cases of monkeypox. The objective of this observation is to describe the characteristics of monkeypox in the vaccinated subject. Case Report: A 45-year-old, heterosexual, rural resident was referred for a rash. The history of the disease revealed signs of acute course marked by headache, asthenia, diffuse myalgia, chest pain, fever and pruritic rash. His background is marked by vaccination against smallpox in 1977, cohabitation with game hunters and domestic animals as well as a notion of contact with a person who presented similar but more generalized signs. The physical examination revealed a conscious patient with good general state, feverish, tachycardic, eupneic presenting skin lesions in the type of striated vesicles more or less umbilical, on the scalp, face, neck, trunk and the upper limbs associated with cervical lymphadenopathy. RT-PCR was performed on a dry swab by rubbing several vesicles and a throat swab proved positive for Monkeypox Virus (MPXV). Management consisted of isolation and symptomatic treatment. The evolution has been favorable. Conclusion: The symptomatology of monkeypox is similar to that of smallpox. Without widely available treatment or prophylaxis, rapid identification of cases is essential. Vaccination of people at risk is an alternative to curb the epidemic. However, the main prevention strategy is to raise awareness of the risk factors.

关键词： Monkeypox Rash Immunocompetent Bouaké

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Detection of ARV-Resistant Mutants in HIV-1-Infected Individuals in a Context of Systematic Switching to an Association Based on Dolutegravir in Abidjan, Côte d’Ivoire

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American Journal of Molecular Biology 2024年第3期14卷 138-151页

作者： Odegue Kpadraux Danielle Kakou-Ngazoa Solange Dechi Jean-Jacques renaud Diallo Zelica Sina kouamé Mireille Sylla Aboubacar Tossea Koui Stéphane Kouakou Venance Adagba Marius Apia N’Chouo kouamé Basile Touré Offianan André Dosso Mireille Molecular Biology Platform Institut Pasteur Abidjan Cte dIvoire Laboratory of the Regional Blood Transfusion Center Yamoussoukro Cte dIvoire Department of Infectious and Tropical Diseases University Hospital Treichville Abidjan Cte dIvoire Laboratory of the Regional Blood Transfusion Center San-Pdro Cte dIvoire Department of Epidemic Virus Institut Pasteur Abidjan Cte dIvoire Department of Parasitology Mycology Institut Pasteur Abidjan Cte dIvoire Department of Bacteriology-Virology Institut Pasteur Abidjan Cte dIvoire

The emergence of antiretroviral resistance mutations represents a major threat to the achievement of national and global goals for the elimination of HIV-1 infection. The global strategy in 2019 in Cte d'Ivoire is a new national policy for the management of people living with HIV with the administration of dolutegravir (DTG)-based fixed-dose combination. The aim of our study was to evaluate HIV-1 resistance to antiretrovirals (ARVs) in infected adult subjects in Cte d’Ivoire in the context of a systematic switch to a DTG-based combination. Between February 2022 and October 2023, a cross-sectional survey with random sampling was conducted in 06 services caring for people living with HIV. A total of 139 participants were included in the study. Adults with a viral load ≥ 1000 copies/mL were tested for HIV-1 ARV resistance mutations. Molecular analyses were performed using protocol of ANRS-MIE (National Agency for Research on AIDS and emerging infectious diseases). The interpretation is performed by HIVGRAD (https://***/cms/grade/). The frequencies of HIV-1 resistance to non-nucleotide reverse transcriptase inhibitors (NNRTIs), nucleotide reverse transcriptase inhibitors (NRTIs), integrase inhibitors (IINTs) and protease inhibitors (PIs) were 82%, 73%, 19% and 11% respectively. The main mutations observed in the different classes were K103N (45%), M184V (64%), E157Q (19%) and L10V/M46I/A71V/I54V (6%) respectively. This study reveals the emergence of resistance to DTG-based fixed-dose combinations, favored by high rates of resistance to NRTIs and NNRTIs. This finding underlines the need for enhanced viral load monitoring and HIV-1 genotyping tests to guide the choice of NRTIs for combination therapy. In addition, monitoring for mutations to second-generation NRTIs is essential, given the scale-up of DTG-based regimens currently underway in Cte d’Ivoire.

关键词： Resistant Mutants Dolutegravir HIV-1 Antiretrovirals Côte d’Ivoire

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A phase field model for snow crystal growth in three dimensions

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npj Computational Materials 2017年第1期3卷 350-356页

作者： gilles Demange Helena Zapolsky renaud Patte Marc Brunel GPM UMR CNRS 6643University of RouenSaint Etienne du Rouvray 76575France CORIA UMR 6614 University of RouenSaintÉtienne du Rouvray 76575France

Snowflake growth provides a fascinating example of spontaneous pattern formation in *** to understand this phenomenon have led to important insights in non-equilibrium dynamics observed in various active scientific fields,ranging from pattern formation in physical and chemical systems,to self-assembly problems in ***,very few models currently succeed in reproducing the diversity of snowflake forms in three dimensions,and the link between model parameters and thermodynamic quantities is not ***,we report a modified phase field model that describes the subtlety of the ice vapour phase transition,through anisotropic water molecules attachment and condensation,surface diffusion,and strong anisotropic surface tension,that guarantee the anisotropy,faceting and dendritic growth of *** demonstrate that this model reproduces the growth dynamics of the most challenging morphologies of snowflakes from the Nakaya *** find that the growth dynamics of snow crystals matches the selection theory,consistently with previous experimental observations.

关键词： dimensions phase field

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Assessment of Mechanical Properties of Muscles from Multi-Parametric Magnetic Resonance Imaging

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Journal of Biomedical Science and Engineering 2014年第8期7卷 593-603页

作者： renaud Grenier Delphine Périé Guillaume Gilbert gilles Beaudoin Daniel Curnier Mechanical Engineering Department Ecole Polytechnique de Montréal Montreal Canada Notre Dame Hospital University of Montreal Montreal Canada Philips Healthcare Montreal Canada Research Center Sainte-Justine University Hospital Montreal Canada

We hypothesized that a relationship existed between the mechanical properties and the magnetic resonance imaging (MRI) parameters of muscles, as already demonstrated in cartilaginous tissues. The aim was to develop an indirect evaluation tool of the mechanical properties of degenerated muscles. Leg and arm muscles of adult rabbits were dissected, and tested 12 hours post mortem, in a state of rigor mortis, or 72 hours post mortem, in a state of post-rigor mortis. The tests consisted of a multi-parametric MRI acquisition followed by a uniaxial tensile test until failure. The statistical analysis consisted of multiple linear regressions and principal component analysis. Significant differences existed between the rigor mortis and post-rigor mortis groups for E but not for the MRI parameters. 78%, 60% or 33% of the Young’s modulus could be explained by the MRI parameters in the post-rigor mortis group, rigor mortis group or both groups respectively. These relationships were confirmed by the principal component analysis. The proposed multi-parametric MRI protocol associated to principal component analysis is a promising tool for the indirect evaluation of muscle mechanical properties and should be useful to find biomarkers and predictive factors of the evolution of the pathologies.

关键词： Muscles Mechanical Properties Multi-Parametric MRI Multiple Regressions Principal Component Analysis

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The LEAFY floral regulator displays pioneer transcription factor properties

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Molecular Plant 2021年第5期14卷 829-837页

作者： Xuelei Lai Romain Blanc-Mathieu Loïc GrandVuillemin Ying Huang Arnaud Stigliani Jeremy Lucas Emmanuel Thevenon Jeanne Loue-Manifel Laura Turchi Hussein Daher Eugenia Brun-Hernandez gilles Vachon David Latrasse Moussa Benhamed renaud Dumas Chloe Zubieta François Parcy Laboratoire Physiologie Cellulaire et Vegetale Universite Grenoble AlpesCNRSCEAINRAEIRIG-DBSCI-LPCV17 avenue des martyrs38054GrenobleFrance Universite Paris-Saclay CNRSINRAEUniversite d'EvryInstitute of Plant Sciences Paris-Saclay(IPS2)91405OrsayFrance The Bioinformatics Centre Department of Biology and Biotech and Research Innovation CentreUniversity of CopenhagenOle Maalces Vej 5DK2200 Copenhagen NDenmark Laboratoire Reproduction et Developpement des Plantes Universite de LyonENS de LyonUCB Lyon 1CNRSINRA69342 LyonFrance Institut de Biologie Structurale Universite Grenoble AlpesCEACNRSGrenobleFrance Universite de Paris Institute of Plant Sciences Paris-Saclay(IPS2)75006 ParisFrance

Pioneer transcription factors(TFs)are a special category of TFs with the capacity to bind to closed chromatin regions in which DNA is wrapped around histones and may be highly ***,pioneer TFs are able to modify the chromatin state to initiate gene *** plants,LEAFY(LFY)is a master floral regulator and has been suggested to act as a pioneer TF in ***,we demonstrate that LFY is able to bind both methylated and non-methylated DNA using a combination of in vitro genomewide binding experiments and structural *** between regions bound by LFY in vivo and chromatin accessibility data suggest that a subset of LFY bound regions is occupied by *** confirm that LFY is able to bind nucleosomal DNA in vitro using reconstituted ***,we show that constitutive LFY expression in seedling tissues is sufficient to induce chromatin accessibility in the LFY direct target genes APETALA1 and *** together,our study suggests that LFY possesses key pioneer TF features that contribute to launching the floral gene expression program.

关键词： flower development pioneer transcription factor gene regulation chromatin remodeling

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About 4 Cases Report of Giant Hydronephrosis Inurology Department of the National University Healthcare, CNHU HKM of Cotonou

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Open Journal of Urology 2018年第4期8卷 118-124页

作者： Dodji Magloire Ines Yevi Christian Henry renaud Hounnasso gilles Natchagande Dejennin Georges Josue Avakoudjo Michel Michael Agounkpe Jean Sossa Fred Hodonou Prince-Pascal Hounnasso CNHU-HKM Urology-Andrology University Clinic CotonouRepublic of Benin

The authors report 4 different cases of giant hydronephrosis in the urology department of the national university healthcare, CNHU HKM of Cotonou. The frequency of the items, the etiologies and the different treatments carried out were elucidated. The patients were all females. The hydronephrosis affected the left kidney. The most frequent etiology was pyelouretral junction syndrome seconded by obstructive nephrolithiasis in the upper urinary tract. One of the last etiologies was lower pole vascular plexus. Three nephrectomies and one K?SS-HEYNES-ANDERSON pyeloplasty were carried out. Conclusion: Giant hydronephrosis is a rare condition. The etiologies were organic-based and malformed. The therapeutic attitude adopted shows the interest of an antenatal diagnosis for early care.

关键词： Giant Hydronephrosis PUJ Syndrome Pyéloplasty Nephrectomy

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使用初始块匹配标准化软件的基于体素定量分析的脑FDGPET显像可用于颞叶癫病灶的检测

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中华核医学与分子影像杂志 2017年第4期37卷 253-253页

作者：李梦婷华中科技大学同济医学院附属协和医院核医学科

目的统计参数图（SPM）通过解剖模板模型进行空间标准化这一初始步骤后,可提供来自;F-FDG PET脑显像的有用的体素-体素分析。该研究旨在评估颞叶癫患者术前检查设置中的块匹配（BM）标准化方法,该方法中多数变换通过小块进行计算,其原... 详细信息

目的统计参数图（SPM）通过解剖模板模型进行空间标准化这一初始步骤后,可提供来自;F-FDG PET脑显像的有用的体素-体素分析。该研究旨在评估颞叶癫患者术前检查设置中的块匹配（BM）标准化方法,该方法中多数变换通过小块进行计算,其原则为最小化伪影和克服额外的图像滤波。方法采用BM和常规SPM标准化方法及来自年龄校正对照的PET图像,回顾性分析具有良好表征的31例颞叶癫患者的脑FDG PET图像,其中22例具有常见的内侧颞叶癫。对集群卷积进行不同的阈值P值校正（0.01、0.005和0.001）。结果对于颞叶和颞叶外低代谢灶的整体卷积,BM所提供的数值与SPM的数值几乎相等,且两者检测受累颞叶的灵敏度相似,SPM和BM分别达87%和94%,阈值P值为0.01。但BM对于颞叶内侧病变的精确定位能力高于SPM,其灵敏度为78%,SPM为45%（P<0.05）。结论与传统的SPM方法相比,BM标准化法对于颞叶癫患者的FDGPET图像进行基于体素的量化分析相对更好。但仍需对不同人群做进一步研究,以确定在这种情况下BM确实能准确替代SPM。

关键词： FDG PET 内侧颞叶癫痫空间标准化统计参数图块匹配算法

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