{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15"],"submitter":["Russo C"],"pubmed_abstract":["<h4>Background</h4>Follicular helper T cells (Tfh) are pivotal in B cell responses. Activation of the purinergic receptor P2X7 on Tfh cells regulates their activity. We investigated the ATP-P2X7R axis in circulating Tfh (cTfh) cells during Respiratory Syncytial Virus (RSV) infection.<h4>Methods</h4>We analyzed two cohorts: children with RSV infection (moderate, n=30; severe, n=21) and healthy children (n=23). We utilized ELISA to quantify the levels of PreF RSV protein-specific IgG antibodies, IL-21 cytokine, and soluble P2X7R (sP2X7R) in both plasma and nasopharyngeal aspirates (NPA). Additionally, luminometry was employed to determine ATP levels in plasma, NPA and supernatant culture. The frequency of cTfh cells, P2X7R expression, and plasmablasts were assessed by flow cytometry. To eval"],"journal":["Frontiers in immunology"],"pagination":["1397098"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11263008"],"repository":["biostudies-literature"],"pubmed_title":["ATP-P2X7R pathway activation limits the Tfh cell compartment during pediatric RSV infection."],"pmcid":["PMC11263008"],"pubmed_authors":["Simaz N","Moya N","Blanco M","De Carli N","Aedo Portela L","Ferrero F","Sarli M","Cairoli H","De Lillo L","Algieri S","Seery V","Arruvito L","Morales I","Alfiero G","Sananez I","Salcedo Pereira M","Herrero M","Raiden S","Otero A","Rubino G","Bruera MJ","Geffner J","Russo C"],"additional_accession":[]},"is_claimable":false,"name":"ATP-P2X7R pathway activation limits the Tfh cell compartment during pediatric RSV infection.","description":"<h4>Background</h4>Follicular helper T cells (Tfh) are pivotal in B cell responses. Activation of the purinergic receptor P2X7 on Tfh cells regulates their activity. We investigated the ATP-P2X7R axis in circulating Tfh (cTfh) cells during Respiratory Syncytial Virus (RSV) infection.<h4>Methods</h4>We analyzed two cohorts: children with RSV infection (moderate, n=30; severe, n=21) and healthy children (n=23). We utilized ELISA to quantify the levels of PreF RSV protein-specific IgG antibodies, IL-21 cytokine, and soluble P2X7R (sP2X7R) in both plasma and nasopharyngeal aspirates (NPA). Additionally, luminometry was employed to determine ATP levels in plasma, NPA and supernatant culture. The frequency of cTfh cells, P2X7R expression, and plasmablasts were assessed by flow cytometry. To eval","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024","modification":"2025-05-18T13:26:42.561Z","creation":"2025-05-18T13:26:42.561Z"},"accession":"S-EPMC11263008","cross_references":{"pubmed":["39044830"],"doi":["10.3389/fimmu.2024.1397098"]}}