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Pentoxifylline and the proteasome inhibitor MG132 induce apoptosis in human leukemia U937 cells through a decrease in the expression of Bcl-2 and Bcl-XL and phosphorylation of p65

Overview of attention for article published in Journal of Biomedical Science, February 2013
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Title
Pentoxifylline and the proteasome inhibitor MG132 induce apoptosis in human leukemia U937 cells through a decrease in the expression of Bcl-2 and Bcl-XL and phosphorylation of p65
Published in
Journal of Biomedical Science, February 2013
DOI 10.1186/1423-0127-20-13
Pubmed ID
Authors

Alejandro Bravo-Cuellar, Georgina Hernández-Flores, José Manuel Lerma-Díaz, Jorge Ramiro Domínguez-Rodríguez, Luis F Jave-Suárez, Ruth De Célis-Carrillo, Adriana Aguilar-Lemarroy, Paulina Gómez-Lomeli, Pablo Cesar Ortiz-Lazareno

Abstract

In Oncology, the resistance of the cancerous cells to chemotherapy continues to be the principal limitation. The nuclear factor-kappa B (NF-κB) transcription factor plays an important role in tumor escape and resistance to chemotherapy and this factor regulates several pathways that promote tumor survival including some antiapoptotic proteins such as Bcl-2 and Bcl-XL. In this study, we investigated, in U937 human leukemia cells, the effects of PTX and the MG132 proteasome inhibitor, drugs that can disrupt the NF-κB pathway. For this, we evaluated viability, apoptosis, cell cycle, caspases-3, -8, -9, cytochrome c release, mitochondrial membrane potential loss, p65 phosphorylation, and the modification in the expression of pro- and antiapoptotic genes, and the Bcl-2 and Bcl-XL antiapoptotic proteins.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 2 6%
India 1 3%
Unknown 30 91%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 33%
Researcher 8 24%
Student > Master 4 12%
Student > Doctoral Student 1 3%
Professor 1 3%
Other 3 9%
Unknown 5 15%
Readers by discipline Count As %
Agricultural and Biological Sciences 8 24%
Medicine and Dentistry 6 18%
Biochemistry, Genetics and Molecular Biology 5 15%
Pharmacology, Toxicology and Pharmaceutical Science 2 6%
Immunology and Microbiology 1 3%
Other 3 9%
Unknown 8 24%