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Title: Antiapoptotic proteins mcl-1 and bcl-2 as well as growth factors fgf and vegf influence survival of peripheral blood and bone marrow chronic lymphocytic leukemia cells
Authors: Djurdjevic, Predrag
Jovanovic, Danijela
Baskic, Dejan
Popovic, Suzana
Issue Date: 2020
Abstract: © 2020, University of Kragujevac, Faculty of Science. All rights reserved. Apoptosis inhibition in chronic lymphocytic leukemia (CLL) is one of the most important mechanism in the disease onset, progression and therapy response and is dependent of interaction with different microenvironments. Aim of our paper is to determine expression of antiapop-toic proteins mcl-1 and bcl-2 in CLL cells isolated from two different compartments (peripheral blood and bone marrow) and its relation to percent of apoptotic cells and concentration of growth factors (FGF and VEGF). Our results showed that peripheral blood CLL lymphocytes have lower apoptotic rate then those isolated from bone marrow, though bone marrow CLL lymphocytes express higher levels of antipoptotic proteins bcl-2 and mcl-1. In bone marrow FGF concentration is 10-fold higher then in patients plasma but has an limited impact on mcl-1 expression. In contrary, VEGF concentration is higher in peripheral blood and corelate with percent of apoptotic cells and mcl-1 expression in this compartment. CLL cells derived from two different microenvironmets acts differently when tested for apoptosis „ex vivo“. In peripheral blood apoptosis is strongly connected with expression of antiapoptoic proteins (mcl-1 and bcl-2) and growth factors, but not in bone marrow.
Type: article
DOI: 10.2478/SJECR-2018-0025
ISSN: 1820-8665
SCOPUS: 2-s2.0-85091353138
Appears in Collections:Faculty of Medical Sciences, Kragujevac

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