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Author

J. Casanova

7 papers indexed here

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Open access Oct 2026

Sustained type I interferon activity and N-antigenemia form a vicious cycle during severe COVID-19.

BACKGROUND Although antigenemia is associated with poor outcomes in respiratory viral infections, the underlying mechanisms driving viral bloodstream dissemination remain not fully understood. Herein, we aimed to characterise SARS-CoV-2 nucleocapsid (N)-antigenemia kinetics in patients with severe COVID-19. We also sou...

W. Mouton, K. Saker, Priscille Franc et al. · 0 citations
Open access Sep 2026

Human-inherited RORγT deficiency encompasses genetic heterogeneity, T cell deficiency, and clinical homogeneity.

We previously reported inherited retinoic acid-related orphan receptor γ T (RORγT) deficiency in seven patients from three ancestries (Chilean, Palestinian, and Saudi Arabian) with mycobacterial disease and chronic mucocutaneous candidiasis (CMC). We report here five additional patients from different ancestries (Afgha...

I. Fagniez, M. Tsumura, A. Guérin et al. · 0 citations
Open access Sep 2026

Mechanistic 5’UTR Variant Scoring Expands Rare Variant Discovery in the UK Biobank

The 5' untranslated region (5'UTR) regulates protein output through upstream open reading frames (uORFs) and Kozak context, yet most deleteriousness scores rely heavily on evolutionary conservation of its nucleotide positions. Using 5ULTRA, a machine-learning classifier trained on 5'UTR regulatory biology, we annotated...

Matthieu Chaldebas, Khoren Ponsin, Haralambos Mourelatos et al. · 0 citations
Open access Aug 2026

Autosomal recessive OSMRβ deficiency: Connecting OSM and/or IL-31 with atopy

In this News & Views, we discuss two studies reporting autosomal recessive OSMRβ deficiency as a new inborn error of immunity marked by severe atopy, hyper-IgE, and eosinophilia, thereby refining the genetic dissection of STAT3-dependent hyper-IgE syndrome.

A. Puel, J. Casanova, V. Béziat · 0 citations
Case report Open access Sep 2026

Mild Phenotype in Functionally Validated STAT1 Gain-of-Function Disease Due to a Novel DNA-Binding Variant.

Signal transducer and activator of transcription 1 (STAT1) gain-of-function (GOF) disease is associated with chronic mucocutaneous candidiasis, infections, autoimmunity, and immune dysregulation; however, mutation-level determinants of phenotypic variability remain incompletely defined. We aimed to describe the clinica...

B. C. Duran, C. Aytekin, M. Tsumura et al. · 0 citations
Review Open access Aug 2026

Genetic and autoimmune predispositions to fulminant viral hepatitis in children

Together, these discoveries redefine pediatric FVH as an immunopathological syndrome and provide a framework for targeted genetic and serologic diagnosis and for mechanism-based interventions aimed at improving survival.

M. Bousfiha, Dalal Ben Sabbahia, E. Jouanguy et al. · 0 citations
Open access Aug 2026

Prediction of human missense variant effects from functional evidence

FuncVEP, a family of variant effect predictors trained on diverse functional data to predict the functional impact of missense variants, provides a robust, scalable solution for variant interpretation, advancing both diagnostic precision and gene discovery.

Barış Kayaalp, K. Çil, C. Conil et al. · 0 citations

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