OPN b and c Isoforms Doubtless Veto Anti-angiogenesis Effects of Curcumin in Combination with Conventional AML Regiment
OPN b and c Isoforms Doubtless Veto Anti-angiogenesis Effects of Curcumin in Combination with Conventional AML Regiment
Asian Pac J Cancer Prev. 2017 09 27;18(9):2591-2599
Authors: Mirzaei A, Ghaffari SH, Nikbakht M, Kamranzadeh Foumani H, Vaezi M, Mohammadi S, Alimoghaddam K, Ghavamzadeh A
Abstract
Osteopontin (OPN) is an extracellular structural protein that is secreted by osteoblasts and hematopoietic cells.
It suppresses the proliferation of hematopoietic stem and also plays an important role in promoting survival and
drug resistance in leukemic stem cells (LSCs). Since the role of OPN isoforms in AML angiogenesis are remaining
controversial, in the present study, we aimed to evaluate whether curcumin (CUR), as a known natural component
with anti-angiogenesis effects, in a combination of AML conventional regiment has the potency to preclude induced
anti-angiogenesis effects of OPN isoforms or not? Leukemia cells were treated with different concentration of CUR
and AML conventional drugs alone and/or in combination with together to find effective doses and IC50 values.
Percentages of apoptotic cells were evaluated by Annexin/PI staining and mRNA levels of OPN isoforms and AKT/
VEGF-A and VEGF-C/ STAT3/ β-catenin/ CXCR4/ IL-6/ KDR gene expression were investigated by Real Time-PCR
method. Moreover, to confirm OPN gene expression data, we investigated the effect of simvastatin and OPN siRNA
as an OPN inhibitor on the cell prolifera...
Source: Asian Pacific Journal of Cancer Prevention - Category: Cancer & Oncology Tags: Asian Pac J Cancer Prev Source Type: research
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