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Trojan, A; Tinguely, M; Vallet, S; Seifert, B; Jenni, B; Zippelius, A; Witzens-Harig, M; Mechtersheimer, G; Ho, A; Goldschmidt, H; Jäger, D; Boccadoro, M; Ladetto, M (2006). Clinical significance of cyclooxygenase-2 (COX-2) in multiple myeloma. Swiss Medical Weekly, 136(25-26):400-403.

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Abstract

Several biological and clinical considerations suggest the involvement of cyclooxygenase-2 (COX-2), the key enzyme of prostaglandin (PG) synthesis, in the pathogenesis and progression of haematological malignancies. Despite the wealth of data concerning COX-2 expression, only limited information is available on multiple myeloma (MM). Using standard immunohistochemistry we therefore evaluated COX-2 protein expression in samples from 57 patients with a primary diagnosis of MM. Time to progression and a variety of clinicopathological features were evaluated by the Kaplan-Meier method and the Cox regression model. In addition, COX-2 expression was evaluated by staining bone marrow from healthy donors and 11 patients with MGUS. Overall, 31 MM samples (54%) expressed COX-2. Positivity for COX-2 was unrelated to stage or clinical or molecular features of the disease. However, patients with COX-2 positive tumours experienced a significantly shorter time to progression (17 vs 30 months, p = 0.037). In summary, COX-2 is frequently expressed in MM and correlates with shorter progression-free survival.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Epidemology, Biostatistics and Prevention Institute (EBPI)
DDC:610 Medicine & health
Date:2006
Deposited On:20 May 2009 07:25
Last Modified:11 Jan 2013 18:53
Publisher:EMH Swiss Medical Publishers
ISSN:0036-7672
Publisher DOI:2006/25/smw-11467
PubMed ID:16847764
Citations:Google Scholar™
Scopus®. Citation Count: 14

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