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Title: Molecular mechanisms in haematological malignancies
Authors: Grech, Godfrey
Avellino, Roberto
Schembri-Wismayer, Pierre
Keywords: Hematopoiesis
Hematologic neoplasms
Leukemia -- Diagnosis
Chromosome aberrations
Issue Date: 2009
Publisher: Malta Medical Journal
Citation: Malta Medical Journal. 2009, Vol.21(3), p. 6-11
Abstract: Haematopoiesis requires the constant production of large numbers of peripheral blood cells. This process is under tight control of transcription factor networks as well as cytokines, growth factors and hormones. We will review the importance of transcription factors in programming the haematopoietic lineage commitment and the role of the microenvironment and the corresponding cellular sensitivity to ensure production of mature functional cells in response to the physiological demand. Understanding the molecular mechanism of this complex process gives the opportunity to identify the underlying molecular deregulation in haematopoietic malignancies. The different levels of deregulation include hyperproliferation, block in differentiation and sensitivity to growth factors. In this review, leukaemic transformation is selected to give evidence of cell signalling deregulation. The clinical implications will be reviewed in the context of the potential opportunities in the future to identify specific therapeutic patient groups that can be defined using prognostic and predictive biomarkers.
Appears in Collections:MMJ, Volume 21, Issue 3
MMJ, Volume 21, Issue 3
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