The presence of large granular lymphocytes has been reported in patients with ADA2 deficiency and T-LGL leukemia. Here we describe two siblings with novel ADA2 variants, expanding the mutational spectrum of ADA2 deficiency. We show that lymphoproliferation, persistence of large granular lymphocytes, T-cell perturbations, and activation of PI3K pathway, measured by means of phosphorylation levels of S6, are detectable in DADA2 patients without T-LGL leukemia.

Two siblings presenting with novel ADA2 variants, lymphoproliferation, persistence of large granular lymphocytes, and T-cell perturbations

Gazzurelli L.;Giliani S.;Plebani A.;Badolato R.;Lougaris V.;
2020-01-01

Abstract

The presence of large granular lymphocytes has been reported in patients with ADA2 deficiency and T-LGL leukemia. Here we describe two siblings with novel ADA2 variants, expanding the mutational spectrum of ADA2 deficiency. We show that lymphoproliferation, persistence of large granular lymphocytes, T-cell perturbations, and activation of PI3K pathway, measured by means of phosphorylation levels of S6, are detectable in DADA2 patients without T-LGL leukemia.
2020
2020
Altra università italiana
Esperti anonimi
Inglese
Internazionale
ELETTRONICO
218
108525
ADA2 deficiency; DADA2; Hypogammaglobulinemia; Large granular lymphocytes; Lymphopenia; Lymphoproliferation; T-cell repertoire
Ateneo di appartenenza
no
20
info:eu-repo/semantics/article
262
Saettini, F.; Fazio, G.; Corti, P.; Quadri, M.; Bugarin, C.; Gaipa, G.; Penco, F.; Moratto, D.; Chiarini, M.; Baronio, M.; Gazzurelli, L.; Imberti, L....espandi
1 Contributo su Rivista::1.1 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11379/539895
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