Prostaglandin E2-EP4 receptor signalling promotes tumorigenic behaviour of HT-29 human colorectal cancer cells

G Hawcroft, CWS Ko, MA Hull - Oncogene, 2007 - nature.com
The predominant product of cyclooxygenase (COX) activity in the colon, prostaglandin (PG)
E 2 promotes intestinal tumorigenesis. Expression of the PGE 2 receptor EP4 is upregulated …

The EP4 receptor antagonist, L-161,982, blocks prostaglandin E2-induced signal transduction and cell proliferation in HCA-7 colon cancer cells

DP Cherukuri, XBO Chen, AC Goulet, RN Young… - Experimental cell …, 2007 - Elsevier
Accumulating evidence indicates that elevated levels of prostaglandin E2 (PGE2) can
increase intestinal epithelial cell proliferation, and thus play a role in colorectal …

Prostaglandin E2-stimulated prostanoid EP4 receptors induce prolonged de novo prostaglandin E2 synthesis through biphasic phosphorylation of extracellular signal …

H Fujino, N Seira, N Kurata, Y Araki… - European journal of …, 2015 - Elsevier
Approximately two decades have passed since E-type prostanoid 4 (EP4) receptors were
cloned, and the signaling pathways mediated by these receptors have since been …

Proneoplastic effects of PGE2mediated by EP4 receptor in colorectal cancer

GA Doherty, SM Byrne, ES Molloy, V Malhotra… - BMC cancer, 2009 - Springer
Abstract Background Prostaglandin E 2 (PGE 2) is the major product of Cyclooxygenase-2
(COX-2) in colorectal cancer (CRC). We aimed to assess PGE 2 cell surface receptors (EP 1 …

Increased EP4 receptor expression in colorectal cancer progression promotes cell growth and anchorage independence

SD Chell, IR Witherden, RR Dobson, M Moorghen… - Cancer research, 2006 - AACR
Abstract Cyclooxygenase-2 and prostaglandin E2 (PGE2) levels are increased in colorectal
cancers and a subset of adenomas. PGE2 signaling through the EP4 receptor has …

Prostaglandin EP receptors: targets for treatment and prevention of colorectal cancer?

MA Hull, SCW Ko, G Hawcroft - Molecular cancer therapeutics, 2004 - AACR
The importance of the prostaglandin (PG) synthesis pathway, particularly the rate-limiting
enzymatic step catalyzed by cyclooxygenase, to colorectal carcinogenesis and development …

Involvement of Prostaglandin E Receptor Subtype EP4 in Colon Carcinogenesis

M Mutoh, K Watanabe, T Kitamura, Y Shoji… - Cancer research, 2002 - AACR
Accumulating evidence indicates that overproduction of prostanoids attributable to
overexpression of cyclooxygenase-2 (COX-2) plays an important role in colon …

Induction of cyclooxygenase-2 expression by prostaglandin E2 stimulation of the prostanoid EP4 receptor via coupling to Gαi and transactivation of the epidermal …

K Yoshida, H Fujino, S Otake, N Seira… - European journal of …, 2013 - Elsevier
Increased expressions of cyclooxygenase-2 (COX-2) and its downstream metabolite,
prostaglandin E 2 (PGE 2), are well documented events in the development of colorectal …

Downregulation of prostaglandin E receptor subtype EP3 during colon cancer development

Y Shoji, M Takahashi, T Kitamura, K Watanabe… - Gut, 2004 - gut.bmj.com
Background and aims: Involvement of prostaglandin E2 (PGE2) receptors EP1, EP2, and
EP4 in the formation of aberrant crypt foci (ACF) and/or intestinal polyps has been …

Prostaglandin E2/EP signaling in the tumor microenvironment of colorectal cancer

R Mizuno, K Kawada, Y Sakai - International journal of molecular …, 2019 - mdpi.com
The number of colorectal cancer (CRC) patients is increasing worldwide. Accumulating
evidence has shown that the tumor microenvironment (TME), including macrophages …