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Current Drug Delivery

Editor-in-Chief

ISSN (Print): 1567-2018
ISSN (Online): 1875-5704

Novel Approaches to Modulate Apoptosis Resistance: Basic and Clinical Implications in the Treatment of Chronic Lymphocytic Leukemia (CLL)

Author(s): Aisha Masood, Mohammad A. Shahshahan and Ali R. Jazirehi

Volume 9, Issue 1, 2012

Page: [30 - 40] Pages: 11

DOI: 10.2174/156720112798376050

Price: $65

Abstract

Chronic lymphocytic leukemia (CLL) is an archetype of malignancy resulting from defects in apoptosis. CLL is an exclusive accumulative disorder marked by low proliferative activity and gradual accumulation of clonal B-lymphocytes blocked in the early (G0, G1) phases of the cell cycle. The heterogeneous clinical course indicates diverse in vivo biology of the leukemic cell and suggests that CLL represents diverse behavior. Understanding the molecular biology of the disease has provided insight into the mechanisms that promote tumorigenesis, specifically defective apoptotic signaling pathways. In this review we attempt to provide a comprehensive discussion of CLL including the origin of malignant lymphocytes, the apoptotic defects and the mechanisms leading to disease progression. We further discuss the therapeutic options, focusing mainly on targeted therapy using novel agents. Finally, we suggest future directions for treatment that utilize the understanding of the disease biology.

Keywords: chronic lymphocytic leukemia, apoptosis, signal transduction, targeted therapy, molecular signatures, resistance, Chemotherapy, death pathways, transcription factors, cell survival


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