The dialog between mother and newborn: insights from immune mediator crosstalk elicited by antenatal SARS-COV-2 exposure.
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Canellas-de-Castro Maria Eduarda, Sasaki Lizandra Moura Paravidine, Fernandes Geraldo Magela, Motta Felipe, Alves de Araújo Júnior David, Schulte Heidi Luise, da Silva Ângelo Pereira, Alves Caroline de Oliveira, Tristão Rosana Maria, de Jesus José Alfredo Lacerda, Costa Karina Nascimento, de Castro Luiz Claudio Gonçalves, Nóbrega Otávio de Toledo, Espindola Laila Salmen, Coelho-Dos-Reis Jordana Grazziela Alves, Brito-de-Sousa Joaquim Pedro, da Costa-Rocha Ismael Artur, Miranda Vitor Hugo Simões, Campi-Azevedo Ana Carolina, Peruhype-Magalhães Vanessa, Teixeira-Carvalho Andréa, Gomes Ciro Martins, Zaconeta Alberto Carlos Moreno, de Albuquerque Cleandro Pires, da Mota Licia Maria Henrique, Martins-Filho Olindo Assis, Soares Alexandre Anderson de Sousa Munhoz
Аннотация
METHODS: For this purpose, parallel analysis of chemokines, cytokines, and growth factors was carried out in mother-newborn paired samples from acute and convalescent COVID-19 subgroups (Early, Intermediate, and Late) as well as healthy controls (HC).
RESULTS: Data demonstrated that increased levels of CCL11, IFN-γ, IL1-Ra, and G-CSF were observed in cord blood samples from most COVID-19 subgroups, with fold change magnitude from 1.6× to 8.2× as compared with HC. Comparative analysis of mother-newborn pairs demonstrated that several immune mediators (CCL11, CCL4, IFN-γ, PDFG, and G-CSF) exhibited high increment magnitude in cord blood as compared with mother serum, reaching values up to 15.7×, mainly at convalescent COVID-19 infection. The signatures of soluble immune mediators revealed distinct waveforms for cord blood and mother serum, with a waning of immune mediators in the latter, contrasting with the increasing set of molecules in the former from acute toward convalescent COVID-19. Integrative network analysis of immune mediators in mother-newborn pairs showed an increase of neighborhood connectivity both in microenvironments and in their interplay from acute toward late convalescent COVID-19. Our results support the hypothesis of the interplay between mother serum and cord blood microenvironment that may impact the fetus development.
CONCLUSION: Together, this evidence regarding the maternal-fetal crosstalk can ultimately subsidize the improvement of clinical practice and public health policies for management of prenatal exposure to SARS-CoV-2 infection.