ArticleInternational journal of hematology-oncology and stem cell research2013
Cyclooxygenase-2 expression in lymphoma in north-west of iran.
Article in International journal of hematology-oncology and stem cell research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors at 2 institutions in 1 country.
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Abstract
backgroundLymphomas are a group of malignancies affecting B, T and NK cells. Cyclooxygenase-2 (COX-2) enzyme is one of the known inflammatory factors which increase during the inflammation process. Increase in COX-2 expression inhibits apoptosis and increases tumor cells invasion and angiogenesis. Increase in the COX-2 gene expression is seen in a group of cancers. Specific COX-2 inhibition also can be beneficial in some cancers through apoptosis stimulation. MATERIALS &
methodsIn this descriptive-analytic study, the degree of COX-2 expression was evaluated in patients with non-Hodgkin lymphoma. The following variables were used in this study: gender, age, lymphoma type, the stage of disease, the degree of disease, the existence of B symptom, extranodal involvement, response to treatment, death and LDH levels. Paraffin-embedded tissue blocks from 153 cases of non-Hodgkin' and Hodgkin' lymphoma were selected for immunohistochemical staining of COX-2 expression.
resultsCOX-2 level was reported positive in 4 (4.7%) patients with non-Hodgkin's lymphoma and 4 (5.7%) with Hodgkin's lymphoma. Fifteen patients experienced relapses and 9 died during the median follow-up of 7 years. There was no significant relationship between quantitative and qualitative variables and COX-2 expression. Also, there was no relationship between COX-2 and type of lymphoma (P=0.476).
conclusionAccording to our results, no relationship between COX-2 expression and type of lymphoma was found. We recommend more patient involvement to assess COX-2 expression. Apparently, it seems that the patient's race (Azari) may have an impact on the results of this study.
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24505512PMC3913135W2154916910What OpenQuestion holds
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