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Differential expression of interleukins IL-13 and IL-15 in normal ovarian tissue and ovarian carcinomas.

Authors: Ripley, D  Shoup, B  Majewski, A  Chegini, N 
Citation: Ripley D, etal., Gynecol Oncol. 2004 Mar;92(3):761-8.
Pubmed: (View Article at PubMed) PMID:14984938
DOI: Full-text: DOI:10.1016/j.ygyno.2003.12.011

OBJECTIVE: To determine the temporal and spatial expression of interleukins (IL)-13 and IL-15 in ovarian carcinoma compared to normal ovarian tissue. METHODS: Quantitative RT-PCR, ELISA and immunohistochemistry. RESULTS: Q-RT-PCR, ELISA and immunohistochemical analysis indicates that IL-13 and IL-15 mRNA and protein are expressed in normal ovary at various phases of the menstrual cycle with immunoreactive proteins detected in granulosa/theca and luteal cells and to a lesser extent in stromal cells and surface epithelial cells. Compared to normal ovary, ovarian carcinoma expresses elevated levels of IL-13 and IL-15 mRNA, with higher IL-13 expression in primary vs. metastatic tumors. IL-13 and IL-15 protein expression was also higher in the tumor tissues compared to ascites. In normal ovary, ovarian tumors and ascites, the ratio of IL-13/IL-15 favored IL-13. Immunoreactive IL-13 and IL-15 proteins were localized primarily in the tumor cells and infiltrated inflammatory cells with increased intensity with disease stage. CONCLUSION: Normal ovary and ovarian tumors express IL-13 and IL-15 and pattern of their expression in carcinomas suggests that these cytokines may function in various ovarian cellular activities including inflammatory/immune responses that are integrated cellular events taking place in normal ovary and ovarian tumors.


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RGD Object Information
RGD ID: 2290344
Created: 2008-03-10
Species: All species
Last Modified: 2008-03-10
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.