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Caspase-11 mediated inflammasome activation in macrophages by systemic infection of *** exacerbates arthritis

International Journal of Oral Science 2024年第3期16卷 499-514页

作者： Tokuju Okano Hiroshi Ashida Noriko Komatsu Masayuki Tsukasaki Tamako Iida marie Iwasawa Yuto Takahashi Yasuo Takeuchi Takanori Iwata Miwa Sasai Masahiro Yamamoto Hiroshi Takayanagi Toshihiko Suzuki Department of Bacterial Pathogenesis Infection and Host ResponseGraduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan Department of Immunology Graduate School of Medicine and Faculty of MedicineThe University of TokyoTokyoJapan Department of Osteoimmunology Graduate School of Medicine and Faculty of MedicineThe University of TokyoTokyoJapan Department of Lifetime Oral Health Care Science Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan Department of Periodontology Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan Department of Immunoparasitology Research Institute for Microbial DiseasesOsaka UniversityOsakaJapan

Clinical studies have shown that Aggregatibacter actinomycetemcomitans(***)is associated with aggressive periodontitis and can potentially trigger or exacerbate rheumatoid arthritis(RA).However,the mechanism is poorly ***,we show that systemic infection with *** triggers the progression of arthritis in mice anti-collagen antibody-induced arthritis(CAIA)model following IL-1βsecretion and cell infiltration in paws in a manner that is dependent on caspase-11-mediated inflammasome activation in *** administration of polymyxin B(PMB),chloroquine,and anti-CD11b antibody suppressed inflammasome activation in macrophages and arthritis in mice,suggesting that the recognition of lipopolysaccharide(LPS)in the cytosol after bacterial degradation by lysosomes and invasion via CD11b are needed to trigger arthritis following inflammasome activation in *** data reveal that the inhibition of caspase-11-mediated inflammasome activation potentiates aggravation of RA induced by infection with *** work highlights how RA can be progressed by inflammasome activation as a result of periodontitis-associated bacterial infection and discusses the mechanism of inflammasome activation in response to infection with ***.

关键词： CD11b inflam infection

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Chemical Analysis of Activated Carbon from Bull and Cow Horns Pyrolysis to Be Used as Antidotes

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Open Journal of Applied Sciences 2024年第8期14卷 2133-2143页

作者： Alexandre Ngama Mwabi pierre Yoniene Yassa Vestine Ntakarutimana Doctoral School University of Burundi Bujumbura Burundi Research Center in Natural Science and Environment (CRSNE) University of Burundi Bujumbura Burundi Faculty of Medicine University of Kaziba (UNIKAZ) Bukavu Eastern Democratic Republic of Congo (DRC) Department of Chemistry Faculty of Sciences University of Burundi Bujumbura Burundi

The purpose of this study is to compare the results of chemical analysis of two types of activated from the pyrolysis of bull horn and that of cow. Six samples were used to measure pH, carbon, calcium and to determine adsorbent power. The pH was measured at a temperature of 20˚C using an “ANION 7010 ionomer” pH meter, the carbon (C) content was analyzed using a “EURO EA 3000” analyzer. and the electronic balance: “Sartorius CP-2P”, calcium (Ca) was analyzed using a DFS-8 spectrograph. For the adsorbency test, the 0.15% methylene blue R solution was used. At the end of this study, we found that the activated carbon from the bull horn demonstrated a carbon content that is higher than that of the cow horn (20.79% against 15.63%), activated carbon of cow horn is richer in calcium than that of bull horn (16.27% against 3.69%) and then the pH. The cow horn is higher than that of the bull horn (7.43 versus 6.5). For the adsorbent power, the sample (75% bull horn and 25% cow horn) was recorded with the greatest adsorbent power. Thus, from this study, it can be recommended as an activated carbon antidote to be used for poisonings treatment.

关键词： Activated Carbon Bull Horn Cow Horn Oil Palm Nut Shells Absorbent Power

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Determination of Total Heavy Metals Content in Local Antidote Manufacturing Resources

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Open Journal of Applied Sciences 2024年第8期14卷 2144-2153页

作者： Alexandre Ngama Mwabi pierre Yoniene Yassa Vestine Ntakarutimana Doctoral School University of Burundi Bujumbura Burundi Research Center in Natural Science and Environment (CRSNE) University of Burundi Bujumbura Burundi Faculty of Medicine University of Kaziba (UNIKAZ) Bukavu Democratic Republic of Congo (DRC) Department of Chemistry Faculty of Sciences University of Burundi Bujumbura Burundi

The present work was initiated for searching and evaluating the total heavy metal content in some selected local resources used by traditional healers in locally made antidotes to search for their toxicity. Elekat public slaughterhouse in the city of Bukavu, the central market of Kadutu and in the Ruzizi plain, precisely in Sange city, have been the purchased centers. The samples of bull and cow horns, oil palm nut shells, cow bones, ginger, black pepper and Mwenga salt were used. The spectrometric method has been used to carry out heavy metal content in each local resource using the atomic absorption spectrometer (VARIAN 1275). The heavy metals found and their average content are as follows: copper (Cu: 124.79 mg/kg), lead (Pb: 76.41 mg/kg), chromium (Cr: 33.9 mg/kg), zinc (Zn: 190.86 mg/kg), Arsenic (As: 107.41 mg/kg) and cadmium (Cd: 0.05 mg/kg). The averages of total heavy metal contents for all samples are below the standard of each one. The determination of the heavy metal contents in these samples allows evaluating human intoxication risk. These results show that antidote technology can be run without any toxicity risk and showed statistically significant differences compared to the controls (p 0.05) for chromium, zinc and cadmium have been recorded. However, most of the heavy metals molecules being thioloprives and then bioccumulatives, antidotes made from them shall not be consumed during a long period.

关键词： Heavy Metals Local Resources Contamination Antidote

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Prevention of thromboembolic events after radical prostatectomy in patients with hereditary thrombophilia due to a factor V Leiden mutation by multidisciplinary coagulation management

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Asian Journal of Urology 2024年第1期11卷 42-47页

作者： Randi M.Pose Sophie Knipper Jonas Ekrutt Mara Kölker pierre Tennstedt Hans Heinzer Derya Tilki Florian Langer Markus Graefen Martini-Klinik Prostate Cancer Centre University Hospital Hamburg-EppendorfGermany Department of Urology University Hospital Hamburg-EppendorfGermany Department of Hematology and Oncology University Medical Centre Hamburg-EppendorfHamburgGermany

Objective:To examine the perioperative impact of factor V Leiden mutation on thromboembolic events'risk in radical prostatectomy(RP)*** an incidence of about 5%,factor V Leiden mutation is the most common hereditary hypercoagulability among Caucasians and rarer in *** increased risk of thromboembolic events is three-to seven-fold in heterozygous and to 80-fold in homozygous ***:Within our prospectively collected database,we analysed 33006 prostate cancer patients treated with RP between December 2001 and December *** those,patients with factor V Leiden mutation were *** patients received individualised recommendation of haemostaseologists for perioperative *** complications(deep vein thrombosis and pulmonary embolism)were assessed during hospital stay,as well as according to patient reported outcomes within the first 3 months after ***:Overall,85(0.3%)patients with known factor V Leiden mutation were *** age was 65(interquartile range:61-68)*** was at least one thrombosis in 53(62.4%)patients and 31(36.5%)patients had at least one embolic event in their medical history before *** all 85 patients with factor V Leiden mutation,we experienced no thromboembolic complications within the first 3 months after ***:In our cohort of patients with factor V Leiden mutation,no thromboembolic events were observed after RP with an individualised perioperative coagulation management *** may reassure patients with this hereditary condition who are counselled for RP.

关键词： Prostatecancer Prostatectomy Factor V Leiden mutation Thromboembolism Thrombophilia

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Integration between Genomic and Computational Statistical Surveys for the Screening of SNP Genetic Variants in Inflammatory Bowel Disease (IBD) Pediatric Patients*

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Computational Molecular Bioscience 2024年第3期14卷 146-191页

作者： Dago Dougba Noel Koffi N’Guessan Bénédicte Sonia Dagnogo Olefongo Daramcoum Wentoin Alimata marie-pierre Mauro Giacomelli Dagnogo Dramane Eboulé Ago Eliane Rebecca Yao Saraka Didier Martial Diarrassouba Nafan Giovanni Malerba Raffaele Badolato Department of Clinical and Experimental Sciences University of Brescia Brescia Italy Angelo Nocivelli Institute of Molecular Medicine Childrens Hospital ASST Spedali Civili Brescia Italy Unit of Biostatistics and Biomathematics & Unit of Bioinformatics Department of Molecular and Translational Medicine University of Brescia Brescia Italy Biological Sciences Training and Research Unit Department of Genetic and Biochemistry Peleforo Gon Coulibaly University Korhogo Cte dIvoire Department of Neurosciences Biomedicine and Movement Sciences Section of Biology and Genetics University of Verona Verona Italy Biosciences Training and Research Unit Biology and Health Laboratory Felix Houphouet-Boigny University Abidjan Cte dIvoire

Inflammatory bowel diseases (IBD) are complex multifactorial disorders that include Crohn’s disease (CD) and ulcerative colitis (UC). Considering that IBD is a genetic and multifactorial disease, we screened for the distribution dynamism of IBD pathogenic genetic variants (single nucleotide polymorphisms;SNPs) and risk factors in four (4) IBD pediatric patients, by integrating both clinical exome sequencing and computational statistical approaches, aiming to categorize IBD patients in CD and UC phenotype. To this end, we first aligned genomic read sequences of these IBD patients to hg19 human genome by using bowtie 2 package. Next, we performed genetic variant calling analysis in terms of single nucleotide polymorphism (SNP) for genes covered by at least 20 read genomic sequences. Finally, we checked for biological and genomic functions of genes exhibiting statistically significant genetic variant (SNPs) by introducing Fitcon genomic parameter. Findings showed Fitcon parameter as normalizing IBD patient’s population variability, as well as inducing a relative good clustering between IBD patients in terms of CD and UC phenotypes. Genomic analysis revealed a random distribution of risk factors and as well pathogenic SNPs genetic variants in the four IBD patient’s genome, claiming to be involved in: i) Metabolic disorders, ii) Autoimmune deficiencies;iii) Crohn’s disease pathways. Integration of genomic and computational statistical analysis supported a relative genetic variability regarding IBD patient population by processing IBD pathogenic SNP genetic variants as opposite to IBD risk factor variants. Interestingly, findings clearly allowed categorizing IBD patients in CD and UC phenotypes by applying Fitcon parameter in selecting IBD pathogenic genetic variants. Considering as a whole, the study suggested the efficiency of integrating clinical exome sequencing and computational statistical tools as a right approach in discriminating IBD phenotypes as well as improvi

关键词： Inflammatory Bowel Disease (IBD) Crohn Disease (CD) Ulcerative Colitis (UC) Clinical Exome Analysis Computational Statistic SNP Genetic Variants

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Management of Mandibular Fractures in Children in Ivory Coast: Experience of the Stomatology and Maxillofacial Surgery Department at the University Hospital of Cocody from 2000 to 2019

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Open Journal of Stomatology 2024年第7期14卷 341-349页

作者： Bakary Ouattara Camille Assouan Laurent Boka Koffi Konan René Kouakou Ake Lucien Jonathan Yapo Annick Zoglo-Bro Ahi Morel Mounin Chapo Affoué Linda marie pierre Koffi Kahder Morel Diarra Atse Kobo N’Guessan Konan Marc Koffi Department of Stomatology Maxillofacial Surgery University Flix Houphout-Boigny Abidjan Republic of Ivory Coast Department of Oral Pathology University Flix Houphout-Boigny Abidjan Republic of Ivory Coast

Introduction: Mandibular fractures in children are becoming increasingly common. Treatment of these fractures is difficult due to their anatomical and physiological complexity. Therefore, there is a need for well-codified management. Our main aim was to develop a decision algorithm for the management of mandibular fractures in children based on our experience. Materials and Methods: This was a retrospective descriptive study carried out in the Department of Stomatology and Maxillofacial Surgery at the University Hospital of Cocody over a period of 20 years (2000-2019). Results: We enrolled 58 patients. The mean age of the patients was 9.35 ± 2.3 years with a sex ratio of 2.22. Traffic accidents were the main cause of mandibular fractures (60.35%). Condylar fractures were the most common (46.87%). Treatment was orthopedic in 45.76% of cases, mixed (orthopedic and surgical) in 24.14% and surgical in 5.17%. Patients were followed up weekly for 1 month, then monthly for 6 months and annually for 3 years, with panoramic radiographs of the maxilla starting at 21 days. We observed 2 cases of complications: temporomandibular ankylosis and gingival stomatitis. Conclusion: Mandibular fractures are common in children. Management is difficult due to anatomical and physiological peculiarities. The choice of treatment depends on several criteria.

关键词： Fractures Mandible Children Treatment Ivory Coast

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What If the Protection against Oxidation of Chromia-Forming Alloys Was Not Always Due to the Chromia Layer?

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American Journal of Analytical Chemistry 2024年第9期15卷 286-302页

作者： Boris Contri Stéphane Valette Marina Soustre pierre Lefort IRCER European Ceramics Centre UMR CNRS 7315 University of Limoges 12 rue Atlantis Limoges Cedex France

Chromia-forming alloys have good resistance to oxidizing agents such as O2, CO2, … It is accepted that the protection of these alloys is always due to the chromia layer formed at the surface of the alloys, which acts as a barrier between the oxidizing gases and the alloy substrates, forming a diffusion zone that limits the overall reaction rate and leads to parabolic kinetics. But this was not verified in the study devoted to Inconel®625 the oxidation in CO2 that was followed by TGA, with characterizations by XRD, EDS and FIB microscopy. Contrary to what was expected and accepted in similar studies on other chromia-forming alloys, it was shown that the diffusion step that governs the overall reaction rate is not located inside the chromia layer but inside the alloy, precisely inside a zone just beneath the interface alloy/chromia, this zone being depleted in chromium. The chromia layer, therefore, plays no kinetic role and does not directly protect the underlying alloy. This result was demonstrated using a simple test that consisted in removing the chromia layer from the surface of samples partially oxidized and then to continue the thermal treatment: insofar as the kinetics continued without any change in rate, this proved that this surface layer of oxide did not protect the substrate. Based on previous work on many chromia-forming alloys, the possibility of a similar reaction mechanism is discussed. If the chromia layer is not the source of protection for a number of chromia-forming alloys, as is suspected, this might have major consequences in terms of industrial applications.

关键词： Chromia-Forming Alloys Chromia Layer Oxidation Protection Inconel®625 Kinetics

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Production of Artificial Fog in the PAVIN Fog and Rain Platform: In Search of Big Droplets Fog

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Atmospheric and Climate Sciences 2024年第1期14卷 42-61页

作者： pierre Duthon Mickaël Ferreira Fernandes Sébastien Liandrat Cerema Reasearch Team STI 8-10 Rue Bernard Palissy Clermont-Ferrand France

In fog, visibility is reduced. This reduction in visibility is measured by the meteorological optical range (MOR), which is important for studying human perception and various sensors in foggy conditions. The Cerema PAVIN Fog & Rain platform is capable of producing calibrated fog in order to better analyses it and understand its consequences. The problem is that the droplets produced by the platform are not large enough to resemble real fog. This can have a major impact on measurements since the interaction between electromagnetic waves and fog depends on the wavelength and diameter of the droplets. To remedy this, Cerema is building a new platform with new equipment capable of generating fog. This study analyses different nozzles and associated usage parameters such as the type of water used and the pressure used. The aim is to select the best nozzle with the associated parameters for producing large-diameter droplets and therefore more realistic fog.

关键词： Fog Physical Simulation Droplets Size Distribution Meteorological Optical Range

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A spotlight on dosage and subject selection for effective neuroprotection: exploring the central role of mitochondria

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Neural Regeneration Research 2025年第4期20卷 1081-1082页

作者： John Mitrofanis Jonathan Stone Michael R.Hamblin pierre Magistretti Alim-Louis Benabid Glen Jeffery Fonds Clinatec UniversitéGrenoble AlpesGrenobleFrance School of Medical Science University of SydneySydneyAustralia Faculty of Health Sciences University of JohannesburgJohannesburgSouth Africa King Abdullah University of Science and Technology ThuwalSaudi Arabia Institute of Ophthalmology University College LondonLondonUK

Neurons are notoriously vulnerable cell *** the slightest change in their internal and/or external environments will cause much distress and dysfunction,leading often to their death.A range of pathological conditions,including stroke,head trauma,and neurodegenerative disease,can generate stress in neurons,affecting their survival and proper *** most neural pathologies,mitochondria become dysfunctional and this plays a pivotal role in the process of cell *** challenge over the last few decades has been to develop effective interventions that improve neuronal homeostasis under pathological *** interventions,often referred to as disease-modifying or neuroprotective,have,however,proved frustratingly elusive,at both preclinical and,in particular,clinical *** this perspective,we highlight two factors that we feel are key to the development of effective neuroprotective *** are:firstly,the choice of dose of intervention and method of application,and secondly,the selection of subjects,whether they be patients or the animal model.

关键词： protective dosage distress

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International Healthcare Terminologies for Morbidity New Era: SNOMED and ICD11

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Journal of Biosciences and Medicines 2024年第8期12卷 357-368页

作者： Jean marie Rodrigues Constant Kone Michel Babri Béatrice Trombert Universit Jean Monnet Saint Etienne France Felix Houphout Boigny National Polytechnic Institute Yamoussoukro Cote dIvoire

The Information Technology (IT) developments have changed the use of Healthcare terminologies from paper-based mortality statistics with the WHO international classifications of diseases (ICD) to the IT-based morbidity implementations for instance for Casemix-based healthcare funding and managing systems. This higher level of granularity is worldwide spread under the umbrella of several national modifications named ICD10 XM. These developments have met the increased use of the International Clinical Reference Terminology named SNOMED. When the updating of WHO ICD10 to WHO ICD11 was decided a merging was envisaged and a WHO SNOMED CT common work proposed a methodology to create a common formal ontology between the 11th version of the WHO International Classification of Diseases and Health Problems (ICD) and the most used in the world clinical terminology named Systematized Nomenclature of Human and Veterinary Medicine - Clinical Terms (SCT). The present work follows this unachieved work and aims to develop a SNOMED-based formal ontology for ICD11 chapter 1 using the textual definitions of ICD11 codes which is a completely new character of ICD and the ontology tools provided by SCT in the publicly available SNOMED Browser. There are two key results: the lexical alignment is complete and the ontology alignment is incomplete with the validated SNOMED concept model can be completed with not yet validated attributes and values of the SNOMED Compositional Grammar. The work opens a new era for the seamless use of both international terminologies for morbidity for instance for DRG/Casemix and clinical management use. The main limitation is that it is restricted to 1 out of 26 chapters of ICD11.

关键词： Lexical Alignment Semantic Interoperability Ontology SNOMED Concept Model ICD-11 SNOMED CT

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