Integrated genomic sequencing reveals mutational landscape of T-cell prolymphocytic leukemia

Author:

Kiel Mark J.1,Velusamy Thirunavukkarasu1,Rolland Delphine1,Sahasrabuddhe Anagh A.1,Chung Fuzon1,Bailey Nathanael G.1,Schrader Alexandra2,Li Bo3,Li Jun Z.34,Ozel Ayse B.4,Betz Bryan L.1,Miranda Roberto N.5,Medeiros L. Jeffrey5,Zhao Lili6,Herling Marco2,Lim Megan S.1,Elenitoba-Johnson Kojo S. J.1

Affiliation:

1. Department of Pathology, University of Michigan Medical School, Ann Arbor, MI;

2. Laboratory of Lymphocyte Signaling and Oncoproteome, Department of Medicine, University of Cologne, Cologne, Germany;

3. Department of Computational Medicine and Bioinformatics and

4. Department of Human Genetics, University of Michigan, Ann Arbor, MI;

5. The University of Texas MD Anderson Cancer Center, Houston, TX; and

6. Department of Biostatistics, University of Michigan Medical School, Ann Arbor, MI

Abstract

Key Points We identify gain-of-function mutations involving IL2RG, JAK1/3, and STAT5B as well as deleterious mutations affecting EZH2, FBXW10, and CHEK2 in T-PLL. Pharmacologic targeting of primary T-PLL cells with the STAT5 inhibitor pimozide leads to apoptosis.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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