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Title: Investigating the role of extracellular Nm23-H1 protein in acute myeloid leukaemia and its functions in controlling haemopoiesis
Author: Lilly, Andrew Joshua
ISNI:       0000 0004 2739 8805
Awarding Body: University of Birmingham
Current Institution: University of Birmingham
Date of Award: 2013
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Nm23-H1 is elevated in acute myeloid leukaemia (AML) patient serum, where it is thought to enhance AML cell survival. However, the Nm23-H1 pro-survival mechanism remains poorly understood. Here it is demonstrated that AML samples are heterogeneous in their ability to bind Nm23-H1 and respond to the resultant survival signal. Although rNm23-H1 promoted the survival of the most primitive blasts within responding AMLs, it was not these cells that bound the protein. Instead, Nm23-H1 bound to more mature CD34\(^l\)\(^o\)/CD11b\(^+\)\(^v\)\(^e\) cells indicating that the survival effect on the blasts was indirect. In support of this, the survival of purified blast cells was enhanced by medium conditioned by more mature cells from the clone that had been stimulated by rNm23-H1. It is hypothesised that the AML clone subverts a signaling process between immature and more mature haemopoietic cells; a mechanism involved in controlling haemopoietic maturation.
Supervisor: Not available Sponsor: Medical Research Council
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: QR Microbiology