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B-lymphoblastic leukemia/lymphoma (B-ALL) is the most common type of childhood cancer; it also occurs in teenagers and adults, in whom the prognosis is generally less favorable. Therapeutic and molecular advances have substantially improved the treatment for subtypes of B-ALL, such that subclassification by cytogenetic and molecular alterations is critical for risk stratification and management. Novel rearrangements involving ABL1, JAK2, EPO, and other kinases have been identified that may respond to inhibition akin to BCR-ABL1. This diverse group of leukemias has been recognized as a provisional entity in the 2016 revision of the World Health Organization (WHO) Classification of the Hematopoietic Neoplasms as B-lymphoblastic leukemia/lymphoma, BCR-ABL1-like (Ph-like B-ALL). Herein, we present cytogenetic and molecular analysis of a case of B-ALL in a 16-year-old Caucasian boy with t(3;9) FOXP1-ABL1 rearrangement and concurrent loss of IKZF1, CDKN2A, and RB1 gene loci, meeting WHO criteria for Ph-like ALL. This case highlights diagnostic, prognostic, and therapeutic considerations of this recently recognized entity.
This article was published in the following journal.
Name: Laboratory medicine
The BCR-ABL1 fusion protein is the cause of chronic myeloid leukemia (CML) and of a significant fraction of adult-onset B cell acute lymphoblastic leukemia (B-ALL) cases. Using mouse models and patien...
ENESTnext (NCT01227577) was a single-arm, multicenter trial evaluating the rate of deep molecular response by 2 years in patients with newly diagnosed (within 6 months) chronic myeloid leukemia in c...
Tyrosine kinase inhibitors have achieved unprecedented efficacy in the treatment of chronic myeloid leukemia (CML); however, imatinib resistance has emerged as a major problem in the clinic. Because t...
Early molecular response has been associated with clinical outcome in chronic myeloid leukemia (CML) patients treated with tyrosine kinase inhibitors. The BCR-ABL1 transcript rate decline from baselin...
Acute lymphoblastic leukemia (ALL) with BCR-ABL1 translocation is an aggressive malignancy that is usually treated with intensive chemotherapy with the possibility of allogeneic stem cell transplantat...
The main task of this study includes analyses of the BCR-ABL1 (breakpoint cluster region/Abelson) gene and mutations in the BCR-ABL1 tyrosine kinase domain within flow-sorted stem cells fr...
The investigators want to learn about treating relapsed/refractory lymphoblastic leukemia and lymphoma with a drug called sirolimus. The investigators are using sirolimus along with other ...
The purpose of this research study is to determine the acceptable upper limit dose of nivolumab in combination with dasatinib that may be given to patients with relapsed/refractory philade...
FOXP1, also known as Forkhead-box Protein P1, is a transcription factor protein belonging to the FOX gene family. Disruptions in the FOXP1 gene cause a phenotype characterized by global de...
The purpose of this study is to evaluate the effectiveness,safety, and dosage of pegcrisantaspase in patients with Acute Lymphoblastic Leukemia (ALL) / Lymphoblastic Lymphoma (LBL).
A leukemia/lymphoma found predominately in children and young adults and characterized LYMPHADENOPATHY and THYMUS GLAND involvement. It most frequently presents as a lymphoma, but a leukemic progression in the bone marrow is common.
A leukemia/lymphoma found predominately in children and adolescents and characterized by a high number of lymphoblasts and solid tumor lesions. Frequent sites involve LYMPH NODES, skin, and bones. It most commonly presents as leukemia.
A neoplasm characterized by abnormalities of the lymphoid cell precursors leading to excessive lymphoblasts in the marrow and other organs. It is the most common cancer in children and accounts for the vast majority of all childhood leukemias.
A genus in the family RETROVIRIDAE consisting of exogenous horizontally-transmitted viruses found in a few groups of mammals. Infections caused by these viruses include human B- or adult T-cell leukemia/lymphoma (LEUKEMIA-LYMPHOMA, T-CELL, ACUTE, HTLV-I-ASSOCIATED), and bovine leukemia (ENZOOTIC BOVINE LEUKOSIS). The type species is LEUKEMIA VIRUS, BOVINE.
Translation products of a fusion gene derived from CHROMOSOMAL TRANSLOCATION of C-ABL GENES to the genetic locus of the breakpoint cluster region gene on chromosome 22. The p210(bcr-abl) fusion protein is found in patients with LEUKEMIA, MYELOGENOUS, CHRONIC, BCR-ABL POSITIVE. The p190(bcr-abl) fusion protein is found in patients with PRECURSOR CELL LYMPHOBLASTIC LEUKEMIA-LYMPHOMA. The activation of human c-abl by chromosomal translocation is essentially the same as the activation of murine c-abl by viral translocation in ABELSON MURINE LEUKEMIA VIRUS.
Leukemia is a type of cancer of the blood or bone marrow characterized by an abnormal increase of immature white blood cells called "blasts". Leukemia is a broad term covering a spectrum of diseases. In turn, it is part of the even broader grou...