The Influence of Cox-2 and Bioactive Lipids on Hematological Cancers
Sesquile Ramon, Collynn F. Woeller and Richard P. Phipps
Affiliation: Box 850, DelMonte Building 3-11001, Department of Environmental Medicine, University of Rochester, School of Medicine and Dentistry, 601 Elmwood Avenue, Rochester, NY 14642, USA.
Keywords: Cancer, cyclooxygenase, hematological malignancy, prostaglandin, NSAIDs.
Inflammation is implicated in the progression of multiple types of cancers including lung, colorectal, breast and
hematological malignancies. Cyclooxygenases (Cox) -1 and -2 are important enzymes involved in the regulation of inflammation.
Elevated Cox-2 expression is associated with a poor cancer prognosis. Hematological malignancies, which
are among the top 10 most predominant cancers in the USA, express high levels of Cox-2. Current therapeutic approaches
against hematological malignances are insufficient as many patients develop resistance or relapse. Therefore, targeting
Cox-2 holds promise as a therapeutic approach to treat hematological malignancies. NSAIDs and Cox-2 selective inhibitors
are anti-inflammatory drugs that decrease prostaglandin and thromboxane production while promoting the synthesis
of specialized proresolving mediators. Here, we review the evidence regarding the applicability of NSAIDs, such as aspirin,
as well as Cox-2 specific inhibitors, to treat hematological malignancies. Furthermore, we discuss how FDA-approved
Cox inhibitors can be used as anti-cancer drugs alone or in combination with existing chemotherapeutic treatments.
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