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Article Publish Status: FREE
Abstract Title:

Novel Targeted Nano-Parthenolide Molecule against NF-kB in Acute Myeloid Leukemia.

Abstract Source:

Molecules. 2019 Jun 3 ;24(11). Epub 2019 Jun 3. PMID: 31163672

Abstract Author(s):

Noureldien H E Darwish, Thangirala Sudha, Kavitha Godugu, Dhruba J Bharali, Osama Elbaz, Hasan A Abd El-Ghaffar, Emad Azmy, Nahla Anber, Shaker A Mousa

Article Affiliation:

Noureldien H E Darwish

Abstract:

The targeted nano-encapsulation of anticancer drugs can improve drug delivery and the selective targeting of cancer cells. Nuclear factor kappa B (NF-kB) is a regulator for different biological responses, including cell proliferation and differentiation. In acute myeloid leukemia (AML), constitutive NF-κB has been detected in more than 50% of cases, enabling leukemic cells to resist apoptosis and stimulate uncontrolled proliferation. We evaluated NF-kB expression in bone marrow samples from 103 patients with AML using quantitative real time polymerase chain reaction (RT-PCR) and found that expression was increased in 80.5% (83 out 103) of these patients with AML in comparison to the control group. Furthermore, overexpressed transmembrane glycoprotein (CD44) on leukemic cells in comparison to normal cells is known to play an important role in leukemic cell engraftment and survival. We designed poly lactide co-glycolide (PLGA) nanoparticles conjugated with antiCD44 and encapsulating parthenolide (PTL), a nuclear factor kappa B (NF-kB) inhibitor, in order to improve the selectivity and targeting of leukemic cells and to spare normal cells. In vitro, in leukemic cell lines Kasumi-1, KG-1a, and THP-1, proliferation was decreased by 40% (**<0.01) with 5µM PLGA-antiCD44-PTL nanoparticles in comparison to the same concentration of free PTL (~10%). The higher uptake of the nanoparticles by leukemic cells was confirmed with confocal microscopy. In conclusion, PLGA-antiCD44-PTL nanoparticles improved the bioavailability and selective targeting of leukemic cells, thus holding promise as a drug delivery system to improve the cure rate of AML.

Study Type : In Vitro Study

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Sayer Ji
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