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Abdala-Torres T, Campi-Azevedo AC, da Silva-Pereira RA, Dos Santos LI, Henriques PM, Costa-Rocha IA, Otta DA, Peruhype-Magalhães V, Teixeira-Carvalho A, Araújo MSS, Fernandes EG, Sato HK, Fantinato FFST, Domingues CMAS, Kallás EG, Tomiyama HTI, Lemos JAC, Coelho-Dos-Reis JG, de Lima SMB, Schwarcz WD, de Souza Azevedo A, Trindade GF, Ano Bom APD, da Silva AMV, Fernandes CB, Camacho LAB, de Sousa Maia MDL, Martins-Filho OA, do Antonelli LRDV. Immune response induced by standard and fractional doses of 17DD yellow fever vaccine. NPJ Vaccines 2024; 9:54. [PMID: 38459059 PMCID: PMC10923915 DOI: 10.1038/s41541-024-00836-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/05/2024] [Indexed: 03/10/2024] Open
Abstract
The re-emergence of yellow fever (YF) urged new mass vaccination campaigns and, in 2017, the World Health Organization approved the use of the fractional dose (FD) of the YF vaccine due to stock shortage. In an observational cross-sectional investigation, we have assessed viremia, antibodies, soluble mediators and effector and memory T and B-cells induced by primary vaccination of volunteers with FD and standard dose (SD). Similar viremia and levels of antibodies and soluble markers were induced early after immunization. However, a faster decrease in the latter was observed after SD. The FD led to a sustained expansion of helper T-cells and an increased expression of activation markers on T-cells early after vaccination. Although with different kinetics, expansion of plasma cells was induced upon SD and FD immunization. Integrative analysis reveals that FD induces a more complex network involving follicular helper T cells and B-cells than SD. Our findings substantiate that FD can replace SD inducing robust correlates of protective immune response against YF.
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Affiliation(s)
- Thais Abdala-Torres
- Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana Carolina Campi-Azevedo
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | - Rosiane Aparecida da Silva-Pereira
- Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | | | - Priscilla Miranda Henriques
- Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | - Ismael Artur Costa-Rocha
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | - Dayane Andriotti Otta
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | - Vanessa Peruhype-Magalhães
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | - Andréa Teixeira-Carvalho
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil
| | | | - Eder Gatti Fernandes
- Divisão de Imunização, Secretaria de Estado de Saúde de São Paulo, São Paulo, SP, Brazil
- Departamento de Vigilância das Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde, Brasília, DF, Brazil
| | - Helena Keico Sato
- Divisão de Imunização, Secretaria de Estado de Saúde de São Paulo, São Paulo, SP, Brazil
| | | | | | - Esper Georges Kallás
- Departamento de Doenças Infecciosas e Parasitárias, Escola de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | | | | | - Jordana Grazziela Coelho-Dos-Reis
- Laboratório de Virologia Básica e Aplicada, Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Sheila Maria Barbosa de Lima
- Departamento de Desenvolvimento Experimental e Pré-clínico, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Waleska Dias Schwarcz
- Laboratório de Análise Imunomecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Adriana de Souza Azevedo
- Laboratório de Análise Imunomecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Gisela Freitas Trindade
- Laboratório de Tecnologia Virológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Ana Paula Dinis Ano Bom
- Laboratório de Tecnologia Imunológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Andrea Marques Vieira da Silva
- Laboratório de Tecnologia Imunológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Camilla Bayma Fernandes
- Laboratório de Tecnologia Imunológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | | | - Maria de Lourdes de Sousa Maia
- Departamento de Assuntos Médicos, Estudos Clínicos e Vigilância Pós-Registro, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Olindo Assis Martins-Filho
- Grupo Integrado de Pesquisas em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil.
| | - Lis Ribeiro do Valle do Antonelli
- Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte, MG, Brazil.
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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Novaes JVLC, de Freitas Faria FM, de Bragança BSC, Dos Santos LI. Impacts of the COVID-19 pandemic on immunization with pneumococcal vaccines in children and older adults in Brazil. Prev Med 2023:107602. [PMID: 37423475 DOI: 10.1016/j.ypmed.2023.107602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/04/2023] [Accepted: 06/30/2023] [Indexed: 07/11/2023]
Abstract
The COVID-19 pandemic has profoundly impacted individuals, resulting in long-lasting consequences. One of the effects has been a decline in vaccine adherence attributed to physical distancing measures, potentially contributing to the resurgence of preventable diseases, and posing diagnostic challenges. Consequently, monitoring immunization rates becomes crucial as an indicator for health promotion campaigns and to mitigate the strain on healthcare systems. This study aims to assess the effects of the COVID-19 pandemic on immunization with pneumococcal vaccines in children and older adults in Brazil from 2018 to 2021. Data was collected from the Department of Informatics of the Unified Health System, focusing on the number of doses administered and vaccination coverage with pneumococcal vaccines across the country. A total of 21,780,450 doses were administered, with a decline of 19.97% in vaccine coverage throughout the evaluation period. An overall negative trend was observed in the time series analysis for all states in Brazil. However, not all showed a statistically significant change associated with the pandemic. Therefore, it is essential for states that experienced a decline in vaccination rates during the COVID-19 pandemic to closely monitor changes in pneumococcal vaccination. Failure in the process may lead to an increase in pneumococcal infections and place an additional burden on the healthcare system.
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Dos Santos LI, Torres TA, Diniz SQ, Gonçalves R, Caballero-Flores G, Núñez G, Gazzinelli RT, Maloy KJ, Ribeiro do V Antonelli L. Disrupted Iron Metabolism and Mortality during Co-infection with Malaria and an Intestinal Gram-Negative Extracellular Pathogen. Cell Rep 2021; 34:108613. [PMID: 33440153 PMCID: PMC8655499 DOI: 10.1016/j.celrep.2020.108613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 10/31/2020] [Accepted: 12/16/2020] [Indexed: 11/29/2022] Open
Abstract
Individuals with malaria exhibit increased morbidity and mortality when infected with Gram-negative (Gr−) bacteria. To explore this experimentally, we performed co-infection of mice with Plasmodium chabaudi and Citrobacter rodentium, an extracellular Gr− bacterial pathogen that infects the large intestine. While single infections are controlled effectively, co-infection results in enhanced virulence that is characterized by prolonged systemic bacterial persistence and high mortality. Mortality in co-infected mice is associated with disrupted iron metabolism, elevated levels of plasma heme, and increased mitochondrial reactive oxygen species (ROS) production by phagocytes. In addition, iron acquisition by the bacterium plays a key role in pathogenesis because co-infection with a mutant C. rodentium strain lacking a critical iron acquisition pathway does not cause mortality. These results indicate that disrupted iron metabolism may drive mortality during co-infection with C. rodentium and P. chabaudi by both altering host immune responses and facilitating bacterial persistence. Co-infection with malaria and a Gram-negative bacterial pathogen leads to high mortality Co-infection leads to elevated plasma heme and systemic bacterial persistence Iron acquisition is critical for bacterial persistence and mortality
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Affiliation(s)
- Luara Isabela Dos Santos
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-009, Minas Gerais, Brazil; Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK
| | - Thais Abdala Torres
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-009, Minas Gerais, Brazil; Instituto de Ciências Biológicas, Departamento de Bioquimica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Minas Gerais, Brazil
| | - Suelen Queiroz Diniz
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-009, Minas Gerais, Brazil; Instituto de Ciências Biológicas, Departamento de Bioquimica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Minas Gerais, Brazil
| | - Ricardo Gonçalves
- Departamento de Patologia Geral, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Minhas Gerais, Brazil
| | - Gustavo Caballero-Flores
- Department of Pathology and Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Gabriel Núñez
- Department of Pathology and Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Ricardo Tostes Gazzinelli
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-009, Minas Gerais, Brazil; Instituto de Ciências Biológicas, Departamento de Bioquimica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Minas Gerais, Brazil; University of Massachusetts Medical School, Worcester, MA 01605-2324, USA
| | - Kevin Joseph Maloy
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK; Institute of Infection, Immunity and Inflammation, University of Glasgow, Sir Graeme Davies Building, 120 University Place, Glasgow G12 8TA, Scotland.
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Lucas TC, Carvalho MDG, Duarte RCF, Haniel J, Trindade SA, Ottoni MHF, Dos Santos LI, Brito Alvim de Melo GE, Huebner R. Effect of the expression of CD62P and thrombin generation on patients using central venous catheters for hemodialysis. Artif Organs 2019; 44:296-304. [PMID: 31520401 DOI: 10.1111/aor.13568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/12/2019] [Accepted: 09/03/2019] [Indexed: 12/22/2022]
Abstract
The formation of thrombi in medical devices that come into contact with blood is a common cause of increased morbidity and mortality. Prolonged use of central venous catheters (CVCs) may cause high infection rates or compromise CVC patency due to thrombus development. In this study, we sought insights into possible changes in the hemostatic system during prolonged use of inserted CVCs for hemodialysis by assessing platelets by CD62P and CD41a expression and the potential for thrombin generation (TG). This study included patients with chronic renal failure who were undergoing hemodialysis three times a week using a CVC, and healthy subjects as controls. The participants were distributed into three groups: Group 1: clinically and laboratorially healthy individuals matched by sex and age to the patients (controls); Group II: patients who had completed 1 month of CVC insertion; and Group III: the same patients after they had completed 4 months of CVC insertion. Platelet activation analysis and TG evaluation were performed using blood samples obtained through two different accesses, that is, through a peripheral vein and directly from the CVC lumen. The data showed platelet activation and an increase in the generation of thrombin, particularly after 4 months of CVC use. The results also indicated that insertion of the catheter into the blood stream stimulated the intrinsic rather than the extrinsic pathway. Taken together, the data showed a direct relationship between the use of CVCs in hemodialysis patients and a state of hypercoagulability, most likely associated with endothelial damage and the contact of the medical device with blood components such as platelets and coagulation factors.
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Affiliation(s)
- Thabata Coaglio Lucas
- Department of Nursing, Federal University of the Valleys of Jequitinhonha and Mucuri, Diamantina, Brazil.,Laboratory of Bioengineering, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Maria das Graças Carvalho
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Laboratory of Hematology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Rita Carolina Figueiredo Duarte
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Laboratory of Hematology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Jonathas Haniel
- Department of Mechanical Engineering, Laboratory of Bioengineering, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Sissy Araújo Trindade
- Department of Nursing, Federal University of the Valleys of Jequitinhonha and Mucuri, Diamantina, Brazil
| | | | - Luara Isabela Dos Santos
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Laboratory of Hematology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Rudolf Huebner
- Department of Mechanical Engineering, Laboratory of Bioengineering, Federal University of Minas Gerais, Belo Horizonte, Brazil
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