Project description:T-cell lymphoblastic lymphoma T-LBL is a rare aggressive neoplasm of precursor T cells whose pathogenesis is not fully elucidated and it is closely related to acute lymphoblastic leukemia (T-ALL), the most common subtype of cancer in children, although recent studies suggest biological differences between the two entities.
Project description:T-cell lymphoblastic lymphoma T-LBL is a rare aggressive neoplasm of precursor T cells whose pathogenesis is not fully elucidated and it is closely related to acute lymphoblastic leukemia (T-ALL), the most common subtype of cancer in children, although recent studies suggest biological differences between the two entities.
Project description:miRNA profiling has been performed on primary tumor samples collected at diagnosis from pediatric patients affected by T-cell lymphoblastic lymphoma.
Project description:miRNA profiling has been performed on primary tumor samples collected at diagnosis from pediatric patients affected by T-cell lymphoblastic lymphoma. Tumor tissue was frozen at the time of surgery. Mononucleated cells were isolated from pleural effusions upon red blood cell lysis and frozen. The experiment does not include technical replicates.
Project description:Childhood T-cell malignancies include T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL). T-ALL and T-LBL share common morphologic and immunophenotypic features and are treated with similar therapeutic approaches. Nonetheless, they show distinct clinical presentations suggesting that they may represent two different biological entities. In order to investigate the common and unique genetic aberrations of T-LBL and T-ALL, copy number alteration (CNA) analysis was performed on a subset of the samples analyzed by GEP Affymetrix SNP arrays were performed according to the manufacturer's directions on DNA extracted from diagnostic bone marrow aspirates or tumor tissue samples. Copy number analysis of Affymetrix 100K SNP arrays was performed for 9 T-ALL and 9 T-LBL pediatric samples. The samples from leukemia/lymphoma remission were used as references for copy number inference.
Project description:MicroRNA-sequencing of the bone marrow samples from Brazilian pediatric patients with B-cell acute lymphoblastic leukemia (B-ALL) and T-cell acute lymphoblastic leukemia (T-ALL).