Márcia Terezinha Baroni de Moraes
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View article: Zygosity Genotyping by Pyrosequencing of SNPs rs601338 and rs1047781 of the FUT2 Gene in Children Living in the Amazon Region
Zygosity Genotyping by Pyrosequencing of SNPs rs601338 and rs1047781 of the FUT2 Gene in Children Living in the Amazon Region Open
Human populations are classified as secretors or non-secretors by, respectively, the ability to produce or not produce FUT2 enzyme (alpha-1,2-fucosyltransferase; FUT2 gene). Non-secretors have some protection against diseases and viral inf…
View article: Epidemiological profiles of norovirus genotypes in children with and without acute gastroenteritis from the northwestern Amazon region
Epidemiological profiles of norovirus genotypes in children with and without acute gastroenteritis from the northwestern Amazon region Open
Noroviruses causes acute gastroenteritis (AGE) worldwide, with children living in low-income areas aged ≤5 years being the most vulnerable. Histo-blood group antigens (HBGA) are recognized as attachment factors for human noroviruses and su…
View article: Polymorphisms in the ACE I/D (rs4646994) and ACE2 G8790A (rs2285666) in Young Children Living in the Amazon Region and SARS-CoV-2 Infection
Polymorphisms in the ACE I/D (rs4646994) and ACE2 G8790A (rs2285666) in Young Children Living in the Amazon Region and SARS-CoV-2 Infection Open
COVID-19 infection caused by SARS-CoV-2 continues to cause significant mortality and morbidity. ACE2 is a key regulator of the renin–angiotensin–aldosterone system (RAAS). Differences in COVID-19 severity are thought to be due to the imbal…
View article: Association between detection rate of norovirus GII and climatic factors in the Northwest Amazon region
Association between detection rate of norovirus GII and climatic factors in the Northwest Amazon region Open
View article: Epidemiology and Genetic Susceptibility of SARS-CoV-2 of Young Children Living in Northwestern Amazon Region Presenting Acute Gastroenteritis and Respiratory Infection
Epidemiology and Genetic Susceptibility of SARS-CoV-2 of Young Children Living in Northwestern Amazon Region Presenting Acute Gastroenteritis and Respiratory Infection Open
This study evaluated the epidemiological and genetic susceptibility profile caused by coronavirus 2 (SARS-CoV-2) in children ≤3 years of age with acute gastroenteritis (AGE) or acute respiratory infection (ARI), living in the northwestern …
View article: Norovirus-Associated Gastroenteritis Vesikari Score and Pre-Existing Salivary IgA in Young Children from Rural South Africa
Norovirus-Associated Gastroenteritis Vesikari Score and Pre-Existing Salivary IgA in Young Children from Rural South Africa Open
Norovirus (NoV) is the leading cause of viral gastroenteritis, mostly affecting young children worldwide. However, limited data are available to determine the severity of norovirus-associated AGE (acute gastroenteritis) and to correlate it…
View article: Prevalence of Human Norovirus GII.4 Sydney 2012 [P31] between 2019 and 2021 among Young Children from Rural Communities in South Africa
Prevalence of Human Norovirus GII.4 Sydney 2012 [P31] between 2019 and 2021 among Young Children from Rural Communities in South Africa Open
Acute gastroenteritis (AGE) accounts for considerable morbidity and mortality in the paediatric population worldwide, especially in low-income countries. Human norovirus (HNoV), particularly GII.4 strains, are important agents of AGE. This…
View article: G6P[8] Rotavirus a Possessing a Wa-like VP3 Gene from a Child with Acute Gastroenteritis Living in the Northwest Amazon Region
G6P[8] Rotavirus a Possessing a Wa-like VP3 Gene from a Child with Acute Gastroenteritis Living in the Northwest Amazon Region Open
The introduction of rotavirus A (RVA) vaccines has considerably reduced the RVA-associated mortality among children under 5 years of age worldwide. The ability of RVA to reassort gives rise to different combinations of surface proteins G (…
View article: Circulation of Vaccine-derived Rotavirus G1P[8] in a Vulnerable Child Cohort in Rio de Janeiro
Circulation of Vaccine-derived Rotavirus G1P[8] in a Vulnerable Child Cohort in Rio de Janeiro Open
Background: The expansion of rotavirus (RV) immunization in several countries reduced the burden of acute diarrheal disease (ADD) and diarrhea-associated mortality. Although community transmission of live attenuated monovalent rotavirus va…
View article: Molecular Epidemiology of Sapovirus in Children Living in the Northwest Amazon Region
Molecular Epidemiology of Sapovirus in Children Living in the Northwest Amazon Region Open
Sapovirus is an important etiological agent of acute gastroenteritis (AGE), mainly in children under 5 years old living in lower-income communities. Eighteen identified sapovirus genotypes have been observed to infect humans. The aim of th…
View article: Epidemiology of enteric virus infections in children living in the Amazon region
Epidemiology of enteric virus infections in children living in the Amazon region Open
Norovirus could be considered the main etiological agent of AGE. No association was verified for HBGA susceptibility to RVA, norovirus and SaV. Secretor children showed a slight susceptibility to HAdV infection and the Le (a-b-) heterogene…
View article: First report of human astrovirus MLB2 in Brazil detected in feces of children with acute gastroenteritis living in the state of Roraima, Northern Brazil
First report of human astrovirus MLB2 in Brazil detected in feces of children with acute gastroenteritis living in the state of Roraima, Northern Brazil Open
Human astrovirus (HAstV) 1-8 and highly divergent HAstVMLB1-3 genotypes have been detected in children both with and without acute gastroenteritis (AGE). One hundred and seventy fecal samples from children (≤5 years old) living in the Amaz…
View article: Rotavirus A shedding and HBGA host genetic susceptibility in a birth community-cohort, Rio de Janeiro, Brazil, 2014–2018
Rotavirus A shedding and HBGA host genetic susceptibility in a birth community-cohort, Rio de Janeiro, Brazil, 2014–2018 Open
Recent studies have investigated whether the human histo-blood group antigen (HBGAs) could affect the effectiveness of the oral rotavirus vaccines, suggesting secretor positive individuals develop a more robust response. We investigated th…
View article: Human Bocavirus genotypes 1 and 2 detected in younger Amazonian children with acute gastroenteritis or respiratory infections, respectively
Human Bocavirus genotypes 1 and 2 detected in younger Amazonian children with acute gastroenteritis or respiratory infections, respectively Open
We suggest that, after entry into the air/oral pathways, HBoV1 continues infecting toward the intestinal tract causing AGE. HBoV2 can be a causative agent of AGE and ARI in younger Amazonian children.
View article: High genetic diversity of noroviruses in children from a community-based study in Rio de Janeiro, Brazil, 2014-2018
High genetic diversity of noroviruses in children from a community-based study in Rio de Janeiro, Brazil, 2014-2018 Open
We report on the occurrence and diversity of noroviruses in children (younger than 5 years old of age) from a low-income urban area in Rio de Janeiro, Brazil. Sixty-one stool specimens collected from children between 1 and 4 years old with…
View article: Transmission of Hepatitis B and D Viruses in an African Rural Community
Transmission of Hepatitis B and D Viruses in an African Rural Community Open
This study revealed that the prevalence of HBV and HDV in a rural area of Cameroon is extremely high, underlining the pressing need for the improvement of control strategies. Systematic serological and phylogenetic analyses of HBV sequence…
View article: Generation of monoclonal antibodies against native viral proteins using antigen-expressing mammalian cells for mouse immunization
Generation of monoclonal antibodies against native viral proteins using antigen-expressing mammalian cells for mouse immunization Open
View article: Monitoring the emergence of HBV resistance mutations by HBV-RNA pyrosequencing
Monitoring the emergence of HBV resistance mutations by HBV-RNA pyrosequencing Open
View article: Receptivity Conditions of the Domicile and Occurrence of Severe Dengue Fever in a Endemic area of Brazil.
Receptivity Conditions of the Domicile and Occurrence of Severe Dengue Fever in a Endemic area of Brazil. Open
View article: Using immunoglobulin Y as an alternative antibody for the detection of hepatitis A virus in frozen liver sections
Using immunoglobulin Y as an alternative antibody for the detection of hepatitis A virus in frozen liver sections Open
An increasing amount of research has been conducted on immunoglobulin Y (IgY) because the use of IgY offers several advantages with respect to diagnostic testing, including its easy accessibility, low cost and translatability to large-scal…