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A Differential Evolution Approach for Protein Folding Using a Lattice Model

Journal of Computer Science & Technology 2007年第6期22卷 904-908页

作者： heitor silverio lopes Reginaldo Bitello Bioinformatics Laboratory Federal University of Technology-ParanáAv.7 de setembro3165 80230-901 CuritibaBrazil

Protein folding is a relevant computational problem in Bioinformatics, for which many heuristic algorithms have been proposed. This work presents a methodology for the application of differential evolution （DE） to the problem of protein folding, using the bi-dimensional hydrophobic-polar model. DE is a relatively recent evolutionary algorithm, and has been used successfully in several engineering optimization problems, usually with continuous variables. We introduce the concept of genotype-phenotype mapping in DE in order to provide a mapping between the real-valued vector and an actual folding. The methodology is detailed and several experiments with benchmarks are done. We compared the results with other similar implementations. The proposed DE has shown to be competitive, statistically consistent and very promising.

关键词： bioinformatics differential evolution evolutionary computation protein folding

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Isolated Autoimmune Orchitis Due to IgG4 Hypersecretion Presenting as Tumor-Like Mass: Case Report and Review of Literature

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Open Journal of Urology 2022年第1期12卷 51-56页

作者： Francisco Marcos da Silva Barroso Flavio Antunes de Sousa Paloma Menezes de Souza Gustavo lopes de Castro Katia Ramos Moreira Leite Monique Freire Santana Roger Arthur da Cunha Alves Gabriela Ayumi Owada Borges Juan Eduardo Rios Rodriguez Urology Service Getúlio Vargas University Hospital (HUGV) Manaus Amazonas Brazil General Surgery Service Santa Casa de Ribeir&#227 o Preto Ribeir&#227 o Preto Brazil Sã o Paulo University (USP) Ribeir&#227 o Preto Brazil Faculty of Medicine Federal University of Amazonas (UFAM) Manaus Amazonas Brazil Pathology Department Sírio-Libanes Hospital S&#227 o Paulo Brazil Faculty of Medicine S&#227 o Paulo University (USP) S&#227 o Paulo Brazil Patholgy Service Getúlio Vargas University Hospital (HUGV) Manaus Amazonas Brazil Dr. heitor Vieira Dourado Tropical Medicine Foundation Manaus Amazonas Brazil Teaching and Research Department Oncology Center Control Foundation (FCECON) Manaus Amazonas Brazil Urology Service Hospital Pronto-Socorro 28 de Agosto Manaus Amazonas Brazil General Surgery Service Getúlio Vargas University Hospital (HUGV) Manaus Amazonas Brazil

Background: IgG4-related disease is a rare autoimmune condition that presents with lymphoplasmacytic infiltrate and fibrosis in the organ affected. Isolated testicle involvement is uncommon and there are only a few cases reported in the literature. Case Presentation: We report a case of isolated chronic orchitis due to IgG4 hypersecretion in a 61-year-old patient that evolved with asymptomatic tumor-like mass growth and was treated with left orchiectomy. Histopathological study revealed orchitis related to IgG4 hypersecretion disease. Conclusion: IgG4-related disease can be manifested as a multi or single-organ disorder. Most diagnoses are made after surgery with histopathological analysis. Most of the cases in literature stand out the difficulty in diagnosis and necessity of high suspicion due to this condition’s similarity with neoplasm presentation.

关键词： Orchitis IgG4-Related Disease Autoimmune Testicle Inflammatory

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