Leukemia
Conditions
Keywords
adult acute lymphoblastic leukemia in remission, B-cell adult acute lymphoblastic leukemia
Brief summary
RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors identify and learn more about biomarkers related to cancer. PURPOSE: This research study is studying biomarkers in samples from patients with acute lymphoblastic leukemia enrolled on ECOG-2993 clinical trial.
Detailed description
OBJECTIVES: * To identify microRNAs that behave as oncogenes or as tumor suppressor genes in B-lineage acute lymphoblastic leukemia (ALL) in vitro and in vivo. * To examine if single microRNA or signatures of microRNA correspond to different clinical outcomes in cytogenetically distinct B-ALL groups. OUTLINE: RNA from archived samples are analyzed for microRNA expression profile in vitro and in vivo.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
DISEASE CHARACTERISTICS: * Samples from patients enrolled on ECOG-2993 * Samples from patients with recurrent cytogenetic abnormalities other than BCR-ABL, including MLL/AF4, E2A/PBX1, and TEL/AML1 PATIENT CHARACTERISTICS: * Not specified PRIOR CONCURRENT THERAPY: * Not specified
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comprehensive view of microRNA expression by cytogenetic subgroup | 1 year |
| MicroRNA expression in relation to clinical outcome | 1 year |
| Differential microRNA expression between normal B-cells and progenitors compared to B-ALL | 1 year |