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Acute Lymphoblastic Leukemia - An Overview

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 1)

Publication Date:

Authors : ; ; ;

Page : 110-114

Keywords : Acute lymphoblastic leukemia ALL; Philadelphia chromosome; translocation; B-cell ALL; T-cell ALL;

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Acute lymphoblastic leukemia (ALL) is a malignant disorder resulting from the clonal proliferation of lymphoid precursors with arrested maturation. Specific chromosomal translocations in ALL include mainly, the classical t (8; 14) in B-cell ALL, t (4; 11) in infant leukemia and t (9; 22) translocation (that forms the Philadelphia chromosome). Genome-wide profiling using microarrays, candidate gene, and second generation sequencing have provided a number of key insights into the genetic basis of ALL. Treatment for acute lymphoblastic leukemia typically consists of a remission-induction phase, an intensification (or consolidation) phase, and continuation therapy to eliminate residual disease. Allogeneic haemopoietic stem-cell transplantation is the most intensive form of treatment for acute lymphoblastic leukemia as it clearly benefits several subgroups of patients with high-risk acute lymphoblastic leukemia. Although relatively homogeneous at the morphologic and immunophenotypic level, ALL encompasses a family of extremely heterogeneous disorders when examined at the genetic level. More insights are needed to further improve the treatment outcome of patients with ALL.

Last modified: 2021-06-30 20:48:16