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Chronic lymphocytic leukemia (CLL) cells with aggressive clinical properties express lipoprotein lipase (LPL), which generates activating ligands for the nuclear receptor peroxisome proliferator activated receptor (PPAR)α and allows fatty acids to be used as fuel. However, the role of PPARα in CLL is unclear. PPARα was found to be expressed by circulating(More)
CLL cells are characterized by high levels of proteins that are post-translationally modified by O-linked β-N-acetylglucosamine (O-GlcNAc) moieties, but it is not clear whether O-GlcNAc is a relevant therapeutic target. The neutraceutical resveratrol is cytotoxic to chronic lymphocytic leukemia cells in vitro. In this study, we found that resveratrol has(More)
The regulation of toll-like receptor (TLR) signaling in a tumor microenvironment is poorly understood despite its importance in cancer biology. To address this problem, TLR7-responses of chronic lymphocytic leukemia (CLL) cells were studied in the presence and absence of a human stromal cell-line derived from a leukemic spleen. CLL cells alone produced high(More)
Recent studies suggest there is a high incidence of elevated low-density lipoprotein (LDL) levels in Chronic Lymphocytic Leukemia (CLL) patients and a survival benefit from cholesterol-lowering statin drugs. The mechanisms of these observations and the kinds of patients they apply to are unclear. Using an in vitro model of the pseudofollicles where CLL(More)
Glucorticoids (GCs) such as dexamethasone (DEX) remain important treatments for Chronic Lymphocytic Leukemia (CLL) but the mechanisms are poorly understood and resistance is inevitable. Proliferation centers (PC) in lymph nodes and bone marrow offer protection against many cytotoxic drugs and circulating CLL cells were found to acquire resistance to(More)
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