Evidence map›Paper›PMID 37942335›Full record

ArticleFrontiers in immunology2023

Low switched memory B cells are associated with no humoral response after SARS-CoV-2 vaccine boosters in kidney transplant recipients.

Mariana Seija, Joaquin García-Luna, Florencia Rammauro, Andreína Brugnini, Natalia Trías, Rossana Astesiano, José Santiago, Natalia Orihuela, Catherine Zulberti, Danilo Machado and 12 more

Open access · goldAbstract readMulticenter Study
In one paragraph

Article in Frontiers in immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.6field-weighted citation impact, top 33% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

22 authors at 4 institutions in 1 country.

Mariana Seija *Centro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Joaquin García-Luna *Laboratorio de Citometría de Flujo, Departamento Básico de Medicina, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Florencia Rammauro *Departamento de Inmunobiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Andreína BrugniniLaboratorio de Citometría de Flujo, Departamento Básico de Medicina, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Natalia TríasLaboratorio de Citometría de Flujo, Departamento Básico de Medicina, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Rossana AstesianoCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
José SantiagoCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Natalia OrihuelaCentro de Trasplante INU, Hospital Italiano, Montevideo, Uruguay.
Catherine ZulbertiCentro de Trasplante INU, Hospital Italiano, Montevideo, Uruguay.
Danilo MachadoCentro de Trasplante, Hospital Evangélico, Montevideo, Uruguay.
Cecilia RecaldeCentro de Trasplante, Hospital Evangélico, Montevideo, Uruguay.
Federico YandiánCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Ana GuerisoliCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Javier NoboaCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Sergio OrihuelaCentro de Trasplante INU, Hospital Italiano, Montevideo, Uruguay.
Lilian CuriCentro de Trasplante INU, Hospital Italiano, Montevideo, Uruguay.
Emma BugstallerCentro de Trasplante, Hospital Evangélico, Montevideo, Uruguay.
Oscar NoboaCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Marcelo NinCentro de Nefrología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Sergio BianchiDepartamento de Fisiopatología, Hospital de Clínicas, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Adriana TiscorniaInstituto Nacional de Donación y Trasplante, Hospital de Clínicas, Facultad de Medicina, Universidad de la República y Ministerio de Salud Pública, Montevideo, Uruguay.
Daniela LensLaboratorio de Citometría de Flujo, Departamento Básico de Medicina, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
Universidad de la República · UYHospital Italiano de Montevideo · UYHospital de Clínicas · UYMutualista Hospital Evangélico · UY

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: The humoral response after SARS-CoV-2 vaccination and boosters in kidney transplant recipients (KTRs) is heterogeneous and depends on immunosuppression status. There is no validated immune measurement associated with serological response in clinical practice. Multicolor flow cytometric immunophenotyping could be useful for measuring immune response. This study aimed to study B- and T-cell compartments through Standardized EuroFlow PID Orientation after SARS-CoV-2 vaccination and their association with IgG SARS-CoV-2 seropositivity status after two doses or boosters. Methods: We conducted a multicenter prospective study to evaluate humoral response after SARS-CoV-2 vaccination in KTRs. Results: A total of 88 KTRs were included and divided into three groups according to the time of the first detected IgG SARS-CoV-2 seropositivity: non-responders (NRs, n=23), booster responders (BRs, n=41), and two-dose responders (2DRs, n=24). The NR group was more frequent on mycophenolate than the responder groups (NRs, 96%; BRs, 80%; 2DRs, 42%; p=0.000). Switched memory B cells in the 2DR group were higher than those in the BR and NR groups (medians of 30, 17, and 10 cells/ul, respectively; p=0.017). Additionally, the absolute count of central memory/terminal memory CD8 T cells was higher in the 2DR group than in the BR and NR groups. (166, 98, and 93 cells/ul, respectively; p=0.041). The rest of the T-cell populations studied did not show a statistical difference. Conclusion: switched memory B cells and memory CD8 T-cell populations in peripheral blood were associated with the magnitude of the humoral response after SARS-CoV-2 vaccination. Boosters increased IgG anti-SARS-CoV-2 levels, CM/TM CD8 T cells, and switched MBCs in patients with seropositivity after two doses. Interestingly, no seropositivity after boosters was associated with the use of mycophenolate and a lower number of switched MBCs and CM/TM CD8 T cells in peripheral blood.

Indexed as

COVID-19Kidney TransplantationBNT162 VaccineCOVID-19 VaccinesHumansImmunoglobulin GImmunosuppressive AgentsMemory B CellsProspective StudiesRNA, MessengerSARS-CoV-2BNT162 VaccineCOVID-19 VaccinesImmunoglobulin GImmunosuppressive AgentsRNA, Messengerboosterskidney transplantmemory B cellSARS-CoV-2vaccine

Identifiers

PMID37942335
PMCPMC10628322
OpenAlexW4387899401

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.