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The Use of Triancinolone for the Treatment of Keloid Scars

Journal of Cosmetics, dermatological Sciences and Applications 2024年第3期14卷 270-275页

作者： José Humberto Cardoso Resende Luís Otávio Torres Anderson Alves Brandão delma dos Santos Assis Mercadante Jessyka oliveira Barbosa Batista William Felix de oliveira Pacheco Elisangelo Aparecido costa Da Silva Douglas Henrique Farias de oliveira Nébia maria Almeida de Figueiredo UNIFAN-Centro Universitrio Alfredo Nasser Aparecida de Goinia Brazil UNIRIO Rio de Janeiro Brazil

Scars, when in good evolution, result in a smooth, thin and discreet tissue. Keloid scars, however, are a type of abnormal and exacerbated repair response to tissue injury, whether in surgical interventions or in various injuries, which present in a prominent and gross way. In this context, there is an excess of collagen deposition in the tissue repair process, which can lead to the formation of keloids. The diagnosis of the condition presented is made by the medical professional or by the patient himself after the surgical intervention or skin injury. Under this analysis, protruding, rough and bad-looking scars are identified. In addition, we highlight the existence of keloids similar to large tumors, described as Jorge Lobo disease. The treatment encompasses massages, compressions, corticosteroids, chemotherapy, collagenase and cryotherapy. At first, we used corticosteroid-based massages, and then we started using compressive dressings until we started intrakeloid infiltrations with injectable triamcinolone. Triamcinolone 10 mg injectable—1/10—in 0.9% saline, with syringe and fixed needle 0.3 mm × 8 mm, intralesional infiltrate, in this context, proved to be effective for its treatment when applied sequentially and linearly. In cases where the medication was applied, there was an improvement after 21 days of application and a definitive improvement 2 months after the injury. In comparison, on the other hand, patients who were not subjected to the application of the medication may improve after 4 months of the injury or worsen compared to the initial case. We have come to the conclusion that this procedure may be one of the chosen ones for the treatment of keloid scars, being one of the most recommended for cases of keloid already installed.

关键词： Keloid Scar Hypertrophy Collagen Affection

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Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy

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World Journal of Gastroenterology 2024年第6期30卷 579-598页

作者： Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro Marcel Silva Luz Gabriel Reis Rocha Gabriel Lima Correa Santos Luís Guilherme de oliveira Silva mariana Santos Calmon Cláudio Lima Souza Ana Carla Zarpelon-Schutz Kádima Nayara Teixeira Dulciene maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919-899ParanáBrazil Laboratory of Research in Bacteriology UFMGBelo Horizonte 30130-100Minas GeraisBrazil

BACKGROUND Helicobacter pylori(***)infection has been well-established as a significant risk factor for several gastrointestinal *** urea breath test(UBT)has emerged as a leading non-invasive method for detecting *** numerous studies confirming its substantial accuracy,the reliability of UBT results is often compromised by inherent *** findings underscore the need for a rigorous statistical synthesis to clarify and reconcile the diagnostic accuracy of the UBT for the diagnosis of *** *** To determine and compare the diagnostic accuracy of 13C-UBT and 14C-UBT for *** infection in adult patients with *** We conducted an independent search of the PubMed/MEDLINE,EMBASE,and Cochrane Central databases until April *** search included diagnostic accuracy studies that evaluated at least one of the index tests(^(13)C-UBT or ^(14)C-UBT)against a reference *** used the QUADAS-2 tool to assess the methodo-logical quality of the *** utilized the bivariate random-effects model to calculate sensitivity,specificity,positive and negative test likelihood ratios(LR+and LR-),as well as the diagnostic odds ratio(DOR),and their 95%confidence *** conducted subgroup analyses based on urea dosing,time after urea administration,and assessment *** investigate a possible threshold effect,we conducted Spearman correlation analysis,and we generated summary receiver operating characteristic(SROC)curves to assess ***,we visually inspected a funnel plot and used Egger’s test to evaluate publication *** both as reliable diagnostic tools in clinical *** In summary,our study has demonstrated that ^(13)C-UBT has been found to outperform the ^(14)C-UBT,making it the preferred diagnostic ***,our results emphasize the significance of carefully considering urea dosage,assessment timing,and measurement techniques for both tests to enh

关键词： Helicobacter pylori Urea breath test Diagnosis Diagnostic test accuracy Meta-analysis

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Proton irradiation-induced cracking and microstructural defects in UN and (U,Zr)N composite fuels

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Journal of Materiomics 2024年第4期10卷 906-918页

作者： Elina Charatsidou maria Giamouridou Andrea Fazi Gyula Nagy Diogo Ribeiro costa Sarmad Naim Katea Mikael Jolkkonen Gunnar Westin Mattias Thuvander Daniel Primetzhofer Pär Olsson KTH Royal Institute of Technology StockholmSweden Chalmers University of Technology GothenburgSweden Uppsala University UppsalaSweden Westinghouse Electric Sweden AB VästeråsSweden Höganäs Sweden AB HöganäsSweden

Proton irradiation with a primary ion energy of 2 MeV was used to simulate radiation damage in UN and(U,Zr)N fuel *** pellets,nominally at room temperature,were irradiated to peak levels of 0.1,1,10 dpa and 100.0 dpa resulting in a peak hydrogen concentration of at most 90 at.%.Microstructure and mechanical properties of the samples were investigated and compared before and after *** irradiation induced an increase in hardness,whereas a decrease in Young’s modulus was observed for both *** characterization revealed irradiation-induced cracking,initiated in the bulk of the material,where the peak damage was deposited,propagating towards the ***,transmission electron microscopy was used to study irradiation *** loops and fringes were identified and observed to increase in density with increasing dose *** high density of irradiation defects and hydrogen implanted are proposed as the main cause of swelling and consequent sample cracking,leading simultaneously to increased hardening and a decrease in Young's modulus.

关键词： Proton irradiation Uranium nitride Spark plasma sintering Irradiation induced cracking Simulated burn-up structure Composite nuclear fuels

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Enhancement of the Antigenotoxic and Antioxidant Actions of Eugenol from Spice Clove and the Stabilizer Gum Arabic on Colorectal Carcinogenesis

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Food and Nutrition Sciences 2024年第1期15卷 71-100页

作者： Nayanna de oliveira Ramos Melo Lucas Gabriel da costa Marques Humberto Maia costa Neto Matheus de Sousa Silva Francisco Vagnaldo Fechine Jamacaru Bruno Coêlho Cavalcanti Antônio Adailson de Sousa Silva Conceição Aparecida Dornelas Postgraduate Program in Medical-Surgical Sciences School of Medicine Federal University of Ceará Fortaleza Brazil School of Medicine Federal University of Ceará Fortaleza Brazil Nucleus of Research and development of Medicines (NPDM) Laboratory of Pharmacology and Preclinical Research School of Medicine Federal University of Ceará Fortaleza Brazil Nucleus for Research and development of Medicines (NPDM) National Laboratory of Experimental Oncology Federal University of Ceará Fortaleza Brazil Postgraduate Program in Pathology and Medical-Surgical Sciences School of Medicine Federal University of Ceará Fortaleza Brazil

Spices are defined as any aromatic condiment of plant origin used to alter the flavor and aroma of foods. Besides flavor and aroma, many spices have antioxidant activity, mainly related to the presence in cloves of phenolic compounds, such as flavonoids, terpenoids and eugenol. In turn, the most common uses of gum arabic are in the form of powder for addition to soft drink syrups, cuisine and baked goods, specifically to stabilize the texture of products, increase the viscosity of liquids and promote the leavening of baked products (e.g., cakes). Both eugenol, extracted from cloves, and gum arabic, extracted from the hardened sap of two species of the Acacia tree, are dietary constituents routinely consumed virtually throughout the world. Both of them are also widely used medicinally to inhibit oxidative stress and genotoxicity. The prevention arm of the study included groups: Ia, IIa, IIIa, Iva, V, VI, VII, VIII. Once a week for 20 weeks, the controls received saline s.c. while the experimental groups received DMH at 20 mg/kg s.c. During the same period and for an additional 9 weeks, the animals received either water, 10% GA, EUG, or 10% GA + EUG by gavage. The treatment arm of the study included groups Ib, IIb, IIIb e IVb, IX, X, XI, XII). Once a week for 20 weeks, the controls received saline s.c. while the experimental groups received DMH at 20 mg/kg s.c. During the subsequent 9 weeks, the animals received either water, 10% GA, EUG or 10% GA + EUG by gavage. The novelty of this study is the investigation of their use alone and together for the prevention and treatment of experimental colorectal carcinogenesis induced by dimethylhydrazine. Our results show that the combined use of 10% gum arabic and eugenol was effective, with antioxidant action in the colon, as well as reducing oxidative stress in all colon segments and preventing and treating genotoxicity in all colon segments. Furthermore, their joint administration reduced the number of aberrant crypts and th

关键词： Eugenol Gum Arabic Carcinogenesis Oxidative Stress Genotoxicity

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Antimicrobial and synergistic effects of lemongrass and geranium essential oils against Streptococcus mutans,Staphylococcus aureus,and Candida spp.

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World Journal of Critical Care Medicine 2024年第3期13卷 63-74页

作者： Patrícia Michelle Nagai de Lima Thaís Cristine Pereira Lara Steffany de Carvalho Letícia Ferreira dos Santos Carlos Eduardo Rocha oliveira Lucas de Paula Ramos maria Cristina Marcucci Amjad Abu Hasna luciane Dias de oliveira department of Biosciences and Oral Diagnosis Institute of Science and TechnologySão Paulo State UniversitySão Josédos Campos 12245000SPBrazil Anhembi Morumbi University School of MedicineSão Josédos Campos 12230-002SPBrazil department of Restorative dentistry Endodontics DivisionInstitute of Science and TechnologySão Paulo State UniversitySão Josédos Campos 12245000São PauloBrazil

BACKGROUND The oral cavity harbors more than 700 species of bacteria,which play crucial roles in the development of various oral diseases including caries,endodontic infection,periodontal infection,and diverse oral *** To investigate the antimicrobial action of Cymbopogon Schoenanthus and Pelargonium graveolens essential oils against Streptococcus mutans,Staphylococcus aureus,Candida albicans,***,and *** Minimum microbicidal concentration was determined following Clinical and Laboratory Standards Institute *** synergistic antimicrobial activity was evaluated using the Broth microdilution checkerboard method,and the antibiofilm activity was evaluated with the 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide *** were analyzed by one-way analysis of variance followed by the Tukey post-hoc test(P≤0.05).RESULTS *** and *** essential oils were as effective as 0.12%chlorhexidine against *** and *** monotypic biofilms after 24 *** 24 h *** essential oil at 0.25%was more effective than the nystatin group,and *** essential oil at 0.25%was as effective as the nystatin *** *** and *** essential oils are effective against ***,***,***,***,and *** at different concentrations after 5 min and 24 h.

关键词： Antifungal effect Lemongrass Geranium Candida albicans Candida dubliniensis Candida krusei Staphylococcus aureus Streptococcus mutans

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Artemisia vulgaris Induces Tumor-Selective Ferroptosis and Necroptosis via Lysosomal Ca^(2+) Signaling

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Chinese Journal of Integrative Medicine 2024年第6期30卷 525-533页

作者： Lucas dos Santos Zamarioli Michele Rosana Maia Santos Adolfo Garcia Erustes Vanessa Marques Meccatti Thais Cristine Pereira Soraya S Smaili maria Cristina Marcucci Carlos Rocha oliveira Gustavo JS Pereira Claudia Bincoletto department of Pharmacology Paulista School of MedicineFederal University of São PauloSão PauloSP04044-020Brazil Research Group on Phytocomplexes and Cell Signaling School of Health SciencesAnhembi Morumbi UniversitySão PauloSP03164-000Brazil department of Biosciences and Oral Diagnosis Institute of Science and TechnologySão Paulo State University(ICT-UNESP)São PauloSP12231-280Brazil

Objective To evaluate the chemical composition and effects of Artemisia vulgaris(AV)hydroalcoholic extract(HEAV)on breast cancer cells(MCF-7 and SKBR-3),chronic myeloid leukemia(K562)and NIH/3T3 *** Phytochemical analysis of HEAV was done by high-performance liquid chromatography-mass(HPLC)*** and cell death studies were performed using trypan blue and Annexin/FITC-7AAD,***-1(Fer-1)and necrostatin-1(Nec-1)were used to assess the mode of HEAV-induced cell death and acetoxymethylester(BAPTA-AM)was used to verify the involvement of cytosolic calcium in this *** calcium measurements were made using *** HEAV decreased the viability of MCF-7,SKBR-3 and K562 cells(Pdeath primarily by late apoptosis and necrosis in assays using annexin V-FITC/7-AAD(Pdecreased the number of non-viable cells treated with HEAV(Pdeath,which are partially dependent on lysosomal release of Ca^(2+).These effects may be related to artemisinin and caffeoylquinic acids,the main compounds identified in HEAV.

关键词： Artemisia vulgaris necroptosis ferroptosis late apoptosis Ca^(2+)signaling

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Update on the use of 45S5 bioactive glass in the treatment of bone defects in regenerative medicine

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World Journal of Orthopedics 2024年第3期15卷 204-214页

作者： Dayane maria Braz Nogueira Marcelie Priscila de oliveira Rosso Daniela Vieira Buchaim mariana Schutzer Ragghianti Zangrando Rogério Leone Buchaim department of Prosthodontics and Periodontics Bauru School of DentistryUniversity of São PauloBauru 17012-901Brazil department of Biological Sciences Bauru School of DentistryUniversity of São PauloBauru 17012-901Brazil Medical School University Center of AdamantinaAdamantina 17800-000Brazil Postgraduate Program in Structural and Functional Interactions in Rehabilitation Postgraduate DepartmentUniversity of MaríliaMarília 17525-902Brazil

Bone regeneration is a critical area in regenerative medicine,particularly in orthopedics,demanding effective biomedical materials for treating bone defects.45S5 bioactive glass(45S5 BG)is a promising material because of its osteoconductive and bioactive *** research in this field continues to advance,keeping up-to-date on the latest and most successful applications of this material is *** achieve this,we conducted a comprehensive search on Pub-Med/MEDLINE,focusing on English articles published in the last *** search used the keywords“bioglass 45S5 AND bone defect”in *** found 27 articles,and after applying the inclusion criteria,we selected 15 studies for detailed *** of these studies compared 45S5 BG with other cement or scaffold *** comparisons demonstrate that the addition of various composites enhances cellular biocompatibility,as evidenced by the cells and their osteogenic ***,the use of 45S5 BG is enhanced by its antimicrobial properties,opening avenues for additional investigations and applications of this biomaterial.

关键词： Biocompatible materials Bioglass Bone regeneration

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Personalized medicine:Clinical oncology on molecular view of treatment

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World Journal of Clinical Oncology 2024年第8期15卷 992-1001页

作者： Rafick costa Dos Santos Da Silva Nathalia de Andrade Simon AndréAlves Dos Santos Gabriel de Melo Olegário Jayne Ferreira Da Silva Naide oliveira Sousa Manuel Alvarez Troncoso Corbacho Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória Da Conquista 45029-094BahiaBrazil

Cancer,the second leading global cause of death,impacts both physically and *** treatments such as surgeries,chemotherapy,and radiotherapy have adverse effects,driving the need for more precise *** medicine enables more targeted *** mapping,alongside other molecular biology approaches,identifies specific genes,contributing to accurate *** review addresses,in clinical use,a molecular perspective on *** like alpha-fetoprotein,beta-human chorionic gonadotropin,5-hydroxyindoleacetic acid,programmed death-1,and cytotoxic T lymphocyte-associated protein 4 are explored,providing valuable ***,with an emphasis on artificial intelligence,revolutionizes the analysis of biological data,offering more accurate *** like liquid biopsy are emphasized for early *** medicine guides therapeutic strategies based on the molecular characteristics of the tumor,as evidenced in the molecular subtypes of breast *** allow personalized treatments,highlighting the role of trastuzumab and endocrine *** the benefits,challenges persist,including high costs,tumor heterogeneity,and ethical *** obstacles requires collaboration,ensuring that advances in molecular biology translate into accessible benefits for all.

关键词： Oncology Neoplasia Molecular biology Personalized medicine Molecular Markers Cancer

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Liquid crystal immunosensors for the selective detection of Escherichia coli with a fast analysis tool

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Photonics Research 2024年第7期12卷 1564-1573页

作者： SANDRO C.oliveira maria S.SOARES BÁRBARA V.GONÇALVES ANDREIA C.M.RODRIGUES AMAdeU M.V.M.SOARES RITA G.SOBRAL NUNO F.SANTOS JAN NEDOMA PEDRO L.ALMEIDA CARLOS MARQUES CICECO-Aveiro Institute of Materials Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal i3N Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal Associate Laboratory i4HB-Institute for Health and Bioeconomy School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal CESAM-Centre for Environmental and Marine Studies and department of Biology University of Aveiro3810-193 AveiroPortugal department of Telecommunications VSB-Technical University of OstravaOstrava 70800Czech Republic i3N-CENIMAT School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal UnIRE ISELPolytechnic Institute of Lisbon1549-020 LisbonPortugal department of Physics VSB-Technical University of OstravaOstrava 70800Czech Republic

The consumption of contaminated food may cause serious illnesses,and traditional methods to detect Escherichia coli are still associated with long waiting times and high costs given the necessity to transport samples to specialized *** is a need to develop new technologies that allow cheap,fast,and direct monitoring at the site of ***,in this work,we developed optical immunosensors for the selective detection of ***,based on liquid crystal technology,whose molecules can align in different manners depending on the boundary conditions (such as substrates) as well as the environment that they *** glass substrate was functionalized with *** antibody using cysteamine as an intermediate,and a vertical alignment was imposed on the liquid crystal molecules by using DMOAP during *** presence of bacteria disrupts the alignment of the liquid crystal molecules,changing the intensity of light emerging between cross polarizers,measured using a polarized optical microscope and a *** was possible to detect *** in suspensions in the concentration range from 2.8 cells/mL to 2.8×10^(9) cells∕*** was also evaluated,and the sensors were used to analyze contaminated water samples.A prototype was developed to allow faster,in-situ,and easier analysis avoiding bulky instruments.

关键词： crystal alignment analysis

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Complexed amino acid minerals vs. bis-glycinate chelated minerals:Impact on the performance of old laying hens

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Animal Nutrition 2024年第1期16卷 395-408页

作者： Marcos J.B.Santos maria C.M.M.Ludke Leandro M.Silva Carlos B.V.Rabello Mércia R.Barros Fabiano S.costa Clariana S.Santos Jamille S.S.Wanderley department of Animal Science Rural Federal University of Pernambuco department of Veterinary Science Rural Federal University of Pernambuco

The present study was to evaluate the effect of trace minerals(Zn, Mn, and Cu) from complexed amino acid minerals(ZMCAA) and bis-glycinate chelated minerals(ZMCGly) in laying hen diets on performance,internal and external egg quality, yolk mineral deposition, intestinal morphometry, and bone characteristics. From 78 to 98 weeks of age, 400 White LSL-Lite strain laying hens were distributed in a randomized design with 4 treatments with 10 replicates per treatment. Treatments were distributed in a 2 ×2 factorial arrangement using either Zn, Mn, and Cu of ZMCAA or ZMCGly source at 2 levels: low(20, 20,and 3.5 mg/kg of Zn, Mn, and Cu, respectively) or high(40, 40, and 7 mg/kg of Zn, Mn, and Cu,respectively). The analysis of variance was performed, and in cases where differences were observed, the means were compared using Tukey?s test(P deposition of Zn(P densitometry(P depth(P = 0.01) in the *** and ileum measurements were influenced by the level and source of trace minerals(P deposition of trace minerals in the egg yolk, and bone density compared to hens fed ZMCGly. In this study, older laying hens supplemented with ZMCAA at lower levels demonstrated adequate levels of supplementation.

关键词： Bis-glycinates Metal-amino acids Radiodensity Trace minerals

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