NFκB Pathway and microRNA-9 and -21 are Involved in Sensitivity to the Pterocarpanquinone LQB-118 in Different CML Cell Lines

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)


Volume 15, 10 Issues, 2015


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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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  • 85th of 202 in Oncology

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Editor-in-Chief:
Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex
France


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NFκB Pathway and microRNA-9 and -21 are Involved in Sensitivity to the Pterocarpanquinone LQB-118 in Different CML Cell Lines

Author(s): Fernanda Costas C. de Faria, Maria Eduarda Bento Leal, Paula Sabbo Bernardo, Paulo R.R. Costa and Raquel C. Maia

Affiliation: Laboratorio de Hemato- Oncologia Celular e Molecular, Programa de Hemato-Oncologia Molecular, Praca da Cruz Vermelha, 23, 6º andar. Instituto Nacional de Cancer (INCA), Rio de Janeiro, Brazil, CEP: 20230-130.

Abstract

Chronic myeloid leukemia (CML), a myeloproliferative disorder characterized by the BCR-ABL oncoprotein, presents its treatment based on tyrosine kinase inhibitors (TKIs), mainly imatinib. However, despite its clinical success, almost 30% of all CML patients demand alternative therapy. In this context, the development of drugs capable of overcoming TKIs resistance is imperative. The pterocarpanquinone-LQB-118 is a novel compound with anti-tumor effect in CML cells whose mechanism of action is being elucidated. Here, we demonstrate that in two CML cell lines exhibiting different biological characteristics, LQB-118 modulates NFκB subcellular localization, apparently independently of the AKT and MAPK pathways, partially inhibits proteasome activity, and alters the expression of microRNAs -9 and -21.




Keywords: Cancer, chronic myeloid leukemia, microRNA, multidrug resistance phenotype, NFκB, pterocarpanquinone-LQB-118.

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Article Details

Volume: 15
Issue Number: 3
First Page: 345
Last Page: 352
Page Count: 8
DOI: 10.2174/18715206113139990108
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