Nitric oxide (NO) and cyclooxygenase-2 (COX-2) cross-talk in co-cultures of tumor spheroids with normal cells

R Paduch, M Kandefer-Szerszeń - Cancer Microenvironment, 2011 - Springer
Abstract Cyclooxygenases (COX), prostaglandin E 2 (PGE 2) and nitric oxide (NO) are
believed to be some of the most important factors related to colon cancer growth and …

The importance of release of proinflammatory cytokines, ROS, and NO in different stages of colon carcinoma growth and metastasis after treatment with cytotoxic drugs …

R Paduch, M Kandefer-Szerszeń, T Piersiak - Oncology research, 2010 - europepmc.org
In colorectal cancers, the local cytokine network and the levels of nitric oxide (NO) and
reactive oxygen species (ROS) are known to be closely related to cancer progression and …

TNF α‐activated stromal COX‐2 signalling promotes proliferative and invasive potential of colon cancer epithelial cells

M Zhu, Y Zhu, P Lance - Cell Proliferation, 2013 - Wiley Online Library
Objectives Up to now it has been unclear whether stromal/epithelial interaction affects
progression of colon cancer. This study was designed to examine effects of tumour necrosis …

Hypoxia induced by benign intestinal epithelial cells is associated with cyclooxygenase-2 expression in stromal cells through AP-1-dependent pathway

Y Uenoyama, H Seno, A Fukuda, A Sekikawa… - Oncogene, 2006 - nature.com
Abstract Cyclooxygenase-2 (COX-2) plays important roles in tumor development. Especially
in the early-stage colorectal tumors, COX-2 expression is often observed in the tumor …

COX-2/VEGF-dependent facilitation of tumor-associated angiogenesis and tumor growth in vivo

S Yoshida, H Amano, I Hayashi, H Kitasato… - Laboratory …, 2003 - nature.com
Nonsteroidal anti-inflammatory drugs are known to suppress the occurrence and
progression of malignancies such as colorectal cancers. However, the precise mechanism …

Cyclooxygenase-2 activation mediates the proangiogenic effect of nitric oxide in colorectal cancer

F Cianchi, C Cortesini, O Fantappie, L Messerini… - Clinical Cancer …, 2004 - AACR
Purpose: Up-regulation of both inducible nitric oxide synthase (iNOS) and cyclooxygenase-2
(COX-2) enzymes has been reported in colorectal cancer. We aimed at evaluating the …

Heterogeneous expression of cyclooxygenase-2 and inducible nitric oxide synthase within colorectal tumors: correlation with tumor angiogenesis

F Cianchi, S Cuzzocrea, MC Vinci, L Messerini… - Digestive and Liver …, 2010 - Elsevier
BACKGROUND: Recent studies have shown that the cyclooxygenase (COX) and the
inducible nitric oxide synthase (iNOS) pathways are involved in the development of tumor …

The effects of the stromal cell-derived cyclooxygenase-2 metabolite prostaglandin E2 on the proliferation of colon cancer cells

SW Park, HS Kim, MS Choi, WJ Jeong, DS Heo… - … of Pharmacology and …, 2011 - ASPET
It is well known that tumor-surrounding stromal tissues support tumor development through
secreting soluble factors such as various cytokines, chemokines, and growth factors. It has …

Chronic inflammation-derived nitric oxide causes conversion of human colonic adenoma cells into adenocarcinoma cells

H Tazawa, T Kawaguchi, T Kobayashi… - Experimental Cell …, 2013 - Elsevier
It has been suggested that nitric oxide (NO) derived from chronically inflamed tissues is a
cause of carcinogenesis. We herein demonstrated that administration of an inducible NO …

Inhibition of cox‐2 with ns‐398 decreases colon cancer cell motility through blocking epidermal growth factor receptor transactivation: possibilities for combination …

N Banu, A Buda, S Chell, D Elder, M Moorghen… - Cell …, 2007 - Wiley Online Library
The use of non‐steroidal anti‐inflammatory drugs has proved of great interest in the
prevention and treatment of colorectal cancer, although their precise mechanisms of action …