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Vol. 25. Issue 1.
Pages 78-87 (January - March 2024)
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Vol. 25. Issue 1.
Pages 78-87 (January - March 2024)
Original article
Genetic variants rs1800629 in TNF and rs2228145 in IL6R: Association with adverse event following immunisation (AEFI) and SARS-CoV-2 neutralising antibodies in western Mexico population that received AZD1222 vaccine
Variantes genéticas rs1800629 en TNF y rs2228145 en IL6R: asociación con eventos supuestamente atribuibles a la vacunación e inmunización (ESAVI) y anticuerpos neutralizantes contra SARS-CoV-2 en la población del occidente de México vacunada con AZD1222
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Axel Jair Villa-Panduroa, Narda M. Corona-Reynagaa, Dennis A. Meza-Peñaa, Mayra Alejandra Enciso Ramíreza, Astrid Selene Espinoza Garcíab, Jorge Galindo-Garcíac, Berenice Sanchez-Caballerob, Elia Herminia Valdés-Miramontesb, José Francisco Muñoz-Valled, Zyanya Reyes-Castilloa,b,
Corresponding author
zyanya.reyes@cusur.udg.mx

Corresponding author.
a Laboratorio de Biomedicina y Biotecnología para la Salud, Centro Universitario del Sur, Universidad de Guadalajara, Jalisco, Mexico
b Instituto de Investigaciones en Comportamiento Alimentario y Nutrición, Centro Universitario del Sur, Universidad de Guadalajara, Jalisco, Mexico
c Departamento de Producción Animal, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Jalisco, Mexico
d Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Jalisco, Mexico
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Figures (1)
Tables (4)
Table 1. Participants' demographic and anthropometric data and clinical history data with the AZD1222 vaccination regimen.
Table 2. Genotypic and allelic frequencies by study group.
Table 3. Leading events supposedly attributable to vaccination or immunisation following AZD1222 vaccination by study group by sex.
Table 4. Leading events supposedly attributable to vaccination or immunisation following AZD1222 vaccination with respect to the genotypes of the rs1800629 and rs2228145 variants.
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Abstract
Introduction

In this research, we evaluated the association of genetic variants rs1800629 in TNF and rs2228145 in IL6R with production of neutralising antibodies against SARS-CoV-2 and the frequency of adverse effects following immunisation (AEFIs) in adult population from Western of Mexico that received AZD1222 vaccination.

Methods

117 adults were evaluated [33 years (23–40), 65% women]. The self-reported frequency of AEFIs was recorded and the percentage of post-vaccination neutralising antibodies was quantified. The identification of rs1800629 variant in TNF and rs2228145 in IL6R was performed by qPCR.

Results

The genotype frequencies of rs1800629 variant were: GG (86%) and GA (14%), and for rs2228145 variant were: AA (20%), CA (48%), and CC (32%). The percentage of post-vaccination antibodies was similar between men and women (median, 97.24%). An association was found between the frequency of AEFIs with the sex; being adynamia (P=.0243), chills (P=.0085), arthralgia (P=.0227), and pain in application area (P=.0096) more frequent in women. The GA genotype of rs1800629 variant showed an association with fever (P=.0131) and arthralgia (P=.0058) post-vaccination, but no relationship was found with the production of neutralising antibodies after AZD1222 vaccination. The rs2228145 variant was not associated with the production of antibodies nor with the AEFIs reported.

Conclusion

The genetic variants rs1800629 in TNF and rs222815 in IL6R are not associated with the production of neutralising antibodies against SARS-CoV-2 after receiving AZD1222 scheme in population from western of Mexico; however, the results suggest that rs1800629 variant increases the frequency of post-vaccination events, particularly fever and arthralgia.

Keywords:
Immunogenetic
Antibodies
Vaccines
TNF-α cytokine
IL-6R
Polymorphism
Resumen
Introducción

En esta investigación se evaluó la asociación de las variantes genéticas rs1800629 en TNF y rs2228145 en IL6R con la producción de anticuerpos neutralizantes contra SARS-CoV-2 y la frecuencia de eventos supuestatemente atribuibles a la vacunación o inmunización (ESAVIs) en población adulta del occidente de México con esquema de vacunación AZD1222.

Métodos

Se evaluaron 117 adultos [33 años (23–40), 65% mujeres]. Se registró la frecuencia autoreportada de ESAVIs y se cuantificó el porcentaje de anticuerpos neutralizantes post-vacunación. La identificación de las variantes genéticas rs1800629 y rs2228145 se realizó mediante qPCR.

Resultados

La frecuencia de los genotipos de la variante rs1800629 en TNF fue: GG (86%) y GA (14%) y de la variante rs2228145 en IL6R: AA (20%), CA (48%) y CC (32%). El porcentaje de anticuerpos post-vacunación fue similar entre hombres y mujeres (mediana 97.24%). La frecuencia de los ESAVIs adinamia (p = 0.0243), escalofríos (p = 0.0085), artralgia (p = 0.0227) y dolor en zona de aplicación (p = 0.0096) fueron más frecuentes en mujeres. El genotipo GA de rs1800629 se asoció con fiebre (p = 0.0131) y artralgia (p = 0.0058) post-vacunación, pero no con la producción de anticuerpos neutralizantes. La variante rs2228145 no se asoció con la producción de anticuerpos ni con la frecuencia de ESAVIs.

Conclusión

Las variantes rs1800629 en TNF y rs222815 en IL6R no se asocian con la producción de anticuerpos neutralizantes contra SARS-CoV-2 después de recibir el esquema AZD1222 en población del occidente de México, sin embargo, los resultados sugieren que la variante rs1800629 incrementa la frecuencia de los ESAVIs fiebre y artralgia.

Palabras clave:
Inmunogenética
Anticuerpos
Vacunas
Citocina TNF-α
IL-6R
Polimorfismo

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