Publications by authors named "M M de Gouveia"

Oxidative stress plays a critical role in various physiological and pathological processes, particularly during pregnancy, where it can significantly affect maternal and fetal health. In the context of viral infections, such as those caused by Human Immunodeficiency Virus (HIV) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), oxidative stress may exacerbate complications by disrupting cellular function and immune responses. Antiviral drugs, while essential in managing these infections, can also contribute to oxidative stress, potentially impacting both the mother and the developing fetus.

View Article and Find Full Text PDF

Hereditary diffuse gastric cancer is characterized by an increased risk of diffuse gastric cancer and lobular breast cancer, and is caused by pathogenic germline variants of E-cadherin and -E-catenin, which are key regulators of cell-cell adhesion. However, how the loss of cell-cell adhesion promotes cell dissemination remains to be fully understood. Therefore, a three-dimensional computer model was developed to describe the initial steps of diffuse gastric cancer development.

View Article and Find Full Text PDF
Article Synopsis
  • Latin Americans are often overlooked in genetic studies, which can widen gaps in personalized medicine due to the challenges of accessing genetic data and consent processes.
  • The Genetics of Latin American Diversity (GLAD) Project compiles genetic information from over 53,000 individuals across various regions to explore diverse ancestry and gene flow in the Americas.
  • GLAD includes a tool called GLAD-match to align external genetic samples with its database while protecting individual privacy, thus supporting more inclusive genomic research and enhancing personalized medicine for Latin Americans.
View Article and Find Full Text PDF
Article Synopsis
  • This study focuses on the opportunistic pathogen's antimicrobial resistance (AMR) and virulence, particularly the type III secretion system (T3SS) that contributes to its pathogenicity and treatment challenges.
  • Researchers conducted a systematic review and meta-analysis of studies from 2011 to 2023 to evaluate the prevalence of high-risk clones (HRCs) in Brazilian isolates using multilocus sequence typing (MLST).
  • Findings revealed that almost half of the MLST-typed isolates were HRCs, with significant regional differences in prevalence, emphasizing the importance of understanding these clones in relation to AMR issues in Brazil.
View Article and Find Full Text PDF