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Impact of inter-city interactions on disease scaling.
Sci Rep
January 2025
Departamento de Física, Universidade Estadual de Maringá, Maringá, PR, 87020-900, Brazil.
Inter-city interactions are critical for the transmission of infectious diseases, yet their effects on the scaling of disease cases remain largely underexplored. Here, we use the commuting network as a proxy for inter-city interactions, integrating it with a general scaling framework to describe the incidence of seven infectious diseases across Brazilian cities as a function of population size and the number of commuters. Our models significantly outperform traditional urban scaling approaches, revealing that the relationship between disease cases and a combination of population and commuters varies across diseases and is influenced by both factors.
View Article and Find Full Text PDFPlacentas From SARS-CoV-2 Infection During Pregnancy Exhibit Foci of Oxidative Stress and DNA Damage.
Am J Reprod Immunol
January 2025
Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA.
Problem: COVID-19 during pregnancy is linked to increased maternal morbidity and a higher incidence of preterm births (PTBs), yet the underlying mechanisms remain unclear. Cellular senescence, characterized by the irreversible cessation of cell division, is a critical process in placental function, and its dysregulation has been implicated in pregnancy complications like PTB. Senescence can be induced by various stressors, including oxidative stress, DNA damage, and viral infections.
View Article and Find Full Text PDFComparison of the spatial and temporal distribution of cutaneous and mucosal leishmaniasis in the state of Rio de Janeiro between 2001 and 2011.
PLoS One
December 2024
Evandro Chagas National Institute of Infectious Disease, Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil.
Objective: To compare the spatio-temporal distribution of cutaneous leishmaniasis (CL) cases with mucosal leishmaniasis (ML) cases in the state of Rio de Janeiro (RJ) between 2001 and 2011.
Method: The incidence rates (IR) of CL and ML were calculated for the cases notified between 2001-2011 in the Information System of Notifiable Diseases for Rio de Janeiro (RJ, and for the municipalities of Rio de Janeiro and Angra dos Reis, with georeferencing and construction of thematic maps. A negative binomial regression model was used to assess the temporal dependency between CL and ML.
A preliminary study of cell-based bone tissue engineering into 3D-printed β-tricalcium phosphate scaffolds and polydioxanone membranes.
Sci Rep
December 2024
Department of Basic Sciences, Araçatuba Dental School, São Paulo State University - UNESP, Araçatuba, 16066-840, Brazil.
Treatment of complex craniofacial deformities is still a challenge for medicine and dentistry because few approach therapies are available on the market that allow rehabilitation using 3D-printed medical devices. Thus, this study aims to create a scaffold with a morphology that simulates bone tissue, able to create a favorable environment for the development and differentiation of osteogenic cells. Moreover, its association with Plenum Guide, through cell-based tissue engineering (ASCs) for guided bone regeneration in critical rat calvarial defects.
View Article and Find Full Text PDFImpact of the COVID-19 pandemic on dengue in Brazil: Interrupted time series analysis of changes in surveillance and transmission.
PLoS Negl Trop Dis
December 2024
Institute of Mathematics and Computer Science, University of São Paulo, São Carlos, SP, Brazil.
Measures to curb the spread of SARS-CoV-2 impacted not only COVID-19 dynamics, but also other infectious diseases, such as dengue in Brazil. The COVID-19 pandemic disrupted not only transmission dynamics due to changes in mobility patterns, but also several aspects of surveillance, such as care seeking behavior and clinical capacity. However, we lack a clear understanding of the overall impact on dengue in different parts of Brazil and the contribution of individual causal drivers.
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