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Cancers 2019, 11(3), 311;

Oncogenic Deregulation of Cell Adhesion Molecules in Leukemia

Department of Transfusion Medicine, Cell Therapeutics and Hemostaseology, University Hospital, LMU Munich, 81377 Munich, Germany
Institute for Transfusion Medicine and Immunohematology, Johann-Wolfgang-Goethe University and German Red Cross Blood Service, 60528 Frankfurt am Main, Germany
Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, 60596 Frankfurt am Main, Germany
Author to whom correspondence should be addressed.
Received: 30 January 2019 / Revised: 26 February 2019 / Accepted: 28 February 2019 / Published: 5 March 2019
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Numerous cell–cell and cell–matrix interactions within the bone marrow microenvironment enable the controlled lifelong self-renewal and progeny of hematopoietic stem and progenitor cells (HSPCs). On the cellular level, this highly mutual interaction is granted by cell adhesion molecules (CAMs) integrating differentiation, proliferation, and pro-survival signals from the surrounding microenvironment to the inner cell. However, cell–cell and cell–matrix interactions are also critically involved during malignant transformation of hematopoietic stem/progenitor cells. It has become increasingly apparent that leukemia-associated gene products, such as activated tyrosine kinases and fusion proteins resulting from chromosomal translocations, directly regulate the activation status of adhesion molecules, thereby directing the leukemic phenotype. These observations imply that interference with adhesion molecule function represents a promising treatment strategy to target pre-leukemic and leukemic lesions within the bone marrow niche. Focusing on myeloid leukemia, we provide a current overview of the mechanisms by which leukemogenic gene products hijack control of cellular adhesion to subsequently disturb normal hematopoiesis and promote leukemia development. View Full-Text
Keywords: adhesion; leukemia; oncogene; integrin; CAM adhesion; leukemia; oncogene; integrin; CAM

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Windisch, R.; Pirschtat, N.; Kellner, C.; Chen-Wichmann, L.; Lausen, J.; Humpe, A.; Krause, D.S.; Wichmann, C. Oncogenic Deregulation of Cell Adhesion Molecules in Leukemia. Cancers 2019, 11, 311.

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