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Cell and molecular biology of human leukaemias 

Cell and molecular biology of human leukaemias
Chapter:
Cell and molecular biology of human leukaemias
Author(s):

Alejandro Gutierrez

and A. Thomas Look

DOI:
10.1093/med/9780199204854.003.220301
Page of

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date: 13 August 2020

The human leukaemias arise when haematopoietic stem and progenitor cells acquire genetic alterations that lead to malignant transformation, following which affected cells can exhibit differentiation arrest in any lineage and at any stage of maturation.

Genetic alterations leading to leukaemia—a recurring theme is that the genes most frequently altered are those with evolutionarily conserved roles in the embryological development of various cell lineages and organ systems, including (but not limited to) genes that control normal haematopoiesis. The molecular genetic alterations that drive leukaemogenesis can generally be characterized into lesions affecting transcription factors and those that aberrantly activate signal transduction pathways, which often occur via activating mutations in tyrosine kinases....

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