Thelma S. Okay

Sao Paulo, SP, Brazil

Last Updated: 09/26/2026

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Found 39 publications

Host mitochondrial apoptotic signatures in children with chronic conditions reveal viral modulation of MCL-1 in severe SARS-CoV-2 infection.

Host mitochondrial apoptotic signatures in children with chronic conditions reveal viral modulation of MCL-1 in severe SARS-CoV-2 infection.

Journal: Molecular biology reports

Published: March 06, 2026

Phase-dependent dynamics of circulating cell-free mitochondrial DNA reflect distinct immunometabolic states.

Phase-dependent dynamics of circulating cell-free mitochondrial DNA reflect distinct immunometabolic states.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: October 06, 2025

Circulating cell-free mitochondrial DNA as a candidate marker of hyperinflammation and immune activation in pre-adolescents, adolescents and young adults with COVID-19 and comorbidities.

Circulating cell-free mitochondrial DNA as a candidate marker of hyperinflammation and immune activation in pre-adolescents, adolescents and young adults with COVID-19 and comorbidities.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: July 28, 2025

Differential roles of interleukin-6 and adrenomedullin in early diagnosis and mortality predictions in late-onset neonatal sepsis.

Differential roles of interleukin-6 and adrenomedullin in early diagnosis and mortality predictions in late-onset neonatal sepsis.

Journal: Clinical and experimental pediatrics

Published: October 14, 2024

New Allele-Specific Oligonucleotide (ASO) amplifications for Toxoplasma gondii rop18 allele typing: Analysis of 86 human congenital infections in Brazil.

New Allele-Specific Oligonucleotide (ASO) amplifications for Toxoplasma gondii rop18 allele typing: Analysis of 86 human congenital infections in Brazil.

Journal: Acta tropica

Published: March 30, 2023

Toxoplasma gondii SAG2, SAG3 and GRA6 alleles and single nucleotide polymorphism in congenital infections with known parasite load and clinical outcome.

Toxoplasma gondii SAG2, SAG3 and GRA6 alleles and single nucleotide polymorphism in congenital infections with known parasite load and clinical outcome.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: July 19, 2022

Technical performance of a lateral flow immunoassay for detection of anti-SARS-CoV-2 IgG in the outpatient follow-up of non-severe cases and at different times after vaccination: comparison with enzyme and chemiluminescent immunoassays.

Technical performance of a lateral flow immunoassay for detection of anti-SARS-CoV-2 IgG in the outpatient follow-up of non-severe cases and at different times after vaccination: comparison with enzyme and chemiluminescent immunoassays.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: May 23, 2022

SARS-CoV-2 and rhinovirus infections: are there differences in clinical presentation, laboratory abnormalities, and outcomes in the pediatric population?

SARS-CoV-2 and rhinovirus infections: are there differences in clinical presentation, laboratory abnormalities, and outcomes in the pediatric population?

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: November 26, 2021

Coxsackievirus A6 strains causing an outbreak of hand-foot-and-mouth disease in Northeastern Brazil in 2018.

Coxsackievirus A6 strains causing an outbreak of hand-foot-and-mouth disease in Northeastern Brazil in 2018.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: November 16, 2021

Silent circulation of Chikungunya virus among pregnant women and newborns in the Western Brazilian Amazon before the first outbreak of chikungunya fever.

Silent circulation of Chikungunya virus among pregnant women and newborns in the Western Brazilian Amazon before the first outbreak of chikungunya fever.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: November 05, 2021

Differences in children and adolescents with SARS-CoV-2 infection: a cohort study in a Brazilian tertiary referral hospital.

Differences in children and adolescents with SARS-CoV-2 infection: a cohort study in a Brazilian tertiary referral hospital.

Journal: Clinics (Sao Paulo, Brazil)

Published: September 16, 2021

Single-round multiplex PCR with species-specific mitochondrial primers of P. falciparum, P. vivax/P. simium and P. malariae/P. brasilianum: Comparison with standard techniques.

Single-round multiplex PCR with species-specific mitochondrial primers of P. falciparum, P. vivax/P. simium and P. malariae/P. brasilianum: Comparison with standard techniques.

Journal: Journal of microbiological methods

Published: May 13, 2021

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Last Updated: 09/26/2026