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Recurrent TET2 mutations in peripheral T-cell lymphomas correlate with TFH-like features and adverse clinical parameters.

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  • معلومة اضافية
    • Contributors:
      Institut Mondor de Recherche Biomédicale (IMRB); Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12); Génétique des tumeurs (U985); Institut Gustave Roussy (IGR)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM); Service de pathologie Bordeaux; Université Bordeaux Segalen - Bordeaux 2-CHU Bordeaux Bordeaux -Groupe hospitalier Pellegrin; Service informatique médicale et biostatistique; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Descartes - Paris 5 (UPD5)-CHU Necker - Enfants Malades AP-HP; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP); Service d'anatomie et cytologie pathologiques Purpan; Université Toulouse III - Paul Sabatier (UT3); Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse Toulouse -Hôpital Purpan Toulouse; CHU Toulouse Toulouse; Thérapie ciblée combinatoire en Onco-Hématologie (EA3846); Université d'Auvergne - Clermont-Ferrand I (UdA); Centre d'Investigation Clinique CHU Clermont-Ferrand (CIC 1405); Institut National de la Santé et de la Recherche Médicale (INSERM)-Direction de la recherche clinique et de l’innovation CHU Clermont-Ferrand (DRCI); CHU Clermont-Ferrand-CHU Clermont-Ferrand; Laboratoire d'anatomie cytologie pathologiques; Centre Hospitalier Régional Universitaire Montpellier (CHRU Montpellier)-Hôpital Gui de Chauliac Montpellier; Service d'anatomie et cytologie pathologiques CHU Saint-Antoine; Université Pierre et Marie Curie - Paris 6 (UPMC)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Saint-Antoine AP-HP; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU); Campbell Family Institute for Breast Cancer Research; University Health Network; Groupe d'étude des proliférations lymphoïdes (GPL); Université de Rouen Normandie (UNIROUEN); Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM); Service de Pathologie Clinique; Université de Lausanne (UNIL)-Centre Hospitalier Universitaire Vaudois Lausanne (CHUV)-Institut Universitaire de Pathologie; Département de pathologie Mondor; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Henri Mondor-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12); This study was supported in part by grants from INCa (Institut National du Cancer), ARC (Association pour la Recherche contre le Cancer), Ligue Nationale Contre le Cancer (équipe labelisée), PHRC (Programme Hospitalier de Recherche Clinique), FRM (Fondation pour la Recherche Médicale, équipe labellisée) and the Cancer Plan research Programme (Belgium, LdL). FL was a M2 student, granted from ARC and MT, a post-doctorant granted by FRM.
    • بيانات النشر:
      HAL CCSD
      American Society of Hematology
    • الموضوع:
      2012
    • Collection:
      Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
    • نبذة مختصرة :
      International audience ; Inactivating mutations of the Ten-Eleven Translocation 2 (TET2) gene were first identified in myeloid malignancies and more recently in peripheral T-cell lymphomas (PTCLs). In the present study, we investigated the presence of TET2 coding sequence mutations and their clinical relevance in a large cohort of 190 PTCL patients. TET2 mutations were identified in 40 of 86 (47%) cases of angioimmunoblastic T-cell lymphoma (AITL) and in 22 of 58 (38%) cases of peripheral T-cell lymphoma, not otherwise specified (PTCL-NOS), but were absent in all other PTCL entities, with the exception of 2 of 10 cases of enteropathy-associated T-cell lymphoma. Among PTCL-NOS, a heterogeneous group of lymphoma-comprising cases likely to derive from Th follicular (T(FH)) cells similarly to AITL, TET2 mutations were more frequent when PTCL-NOS expressed T(FH) markers and/or had features reminiscent of AITL (58% vs 24%, P = .01). In the AITL and PTCL-NOS subgroups, TET2 mutations were associated with advanced-stage disease, thrombocytopenia, high International Prognostic Index scores, and a shorter progression-free survival.
    • Relation:
      info:eu-repo/semantics/altIdentifier/pmid/22760778; inserm-00752170; https://www.hal.inserm.fr/inserm-00752170; https://www.hal.inserm.fr/inserm-00752170/document; https://www.hal.inserm.fr/inserm-00752170/file/TET2.13.6_3_.pdf; PUBMED: 22760778
    • الرقم المعرف:
      10.1182/blood-2012-02-408542
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.CD833150