Comparison of LPA1 and LPA2 Receptor Expression with Proliferative and Prognostic Factors in Endometroid Carcinomas and Endometrial Hyperplasias
American Journal of Clinical and Experimental Medicine
Volume 2, Issue 4, July 2014, Pages: 64-69
Received: Jun. 16, 2014;
Accepted: Jul. 1, 2014;
Published: Jul. 10, 2014
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Ayşegül Kaynar, Department of Patology, İskenderun State Hospital, Hatay, Turkey
Serdar Yanık, Department of Patology, İskenderun State Hospital, Hatay, Turkey
Ayşe Neslin Akkoca, Department of Family Medicine, Mustafa Kemal University, Medical School, Aile Hekimliği A.D, 31100, Hatay, Turkey
Raziye Kurt, Department of Obstetrics and Gynecology, Mustafa Kemal University, Medical School, Hatay, Turkey
Ozan Turgut, Department of Obstetrics and Gynecology, İskenderun State Hospital, Hatay, Turkey
Zeynep Tuba Özdemir, Department of Internal Medicine, Bozok University, Medical School, Yozgat, Turkey
Nurdan Tatar, Department of Patology, İskenderun State Hospital, Hatay, Turkey
Ufuk Usta, Department of Patology, Trakya University Medical School, Edirne, Turkey
Objective: In this study we aimed to evaluate the staining patterns of lysophosphatidic acid in endometrial carcinomas(EC) and endometrial hyperplasias(EH). Materials and Method: Sixty diagnostic cases were included in this study in order to evaluate the staining patterns of lysophosphatidic acid in EC and EH. EC was diagnosed in 20 of the cases, EH with atypia was present in 20 and EH without atypia was evident in 20 of the cases. Patients staged according to FİGO(International Federation of Gynecology and Obstetrics,2014). After performing the new sections on each of these cases, 55 routine Hematoxylin and eosin staining was repeated, sections of chosen diagnostic blocks were stained immune histologically with LPA1(Lysophosphatidic acid 1), LPA(Lysophosphatidic acid 2), MMP-2(Matrix metalloproteinase 2) and Ki-67 antibodies. Results: According to the data obtained, LPA1 showed most intense staining in cases with EH without atypia, however endometrioid type endometrial carcinoma (EEC) cases had the levels very close to this. Furthermore, it was found that there was a reverse correlation between LPA1 staining and histological grade in cases with EEC. It was noted that highest level of LPA2 staining was in cases that had EH with atypia where as lowest level was seen in cases with EEC cases. No relationship between LPA2 and the grade in cases with EEC. It was found that MMP-2 increased linearly with the histological grade in cases with EEC. Correlation tests done among LPA1, LPA2 and MMP-2 antibodies revealed moderate degree of relation only between LAP1 and MMP-2 scores in cases with EEC. No significant relation could be shown in correlation test done between LPA1 and LPA2 and Ki-67, a marker for proliferation index. Conclusion: When correlation of LPA1, LPA2 and MMP-2 H scores with stages of EEC cases was taken into account, the average LPA1 H score was higher in stage 1, while H score averages of LPA2 and MMP-2 H scores were higher in stage 2+3 tumors, however these differences were not statistically significant.
Ayşe Neslin Akkoca,
Zeynep Tuba Özdemir,
Comparison of LPA1 and LPA2 Receptor Expression with Proliferative and Prognostic Factors in Endometroid Carcinomas and Endometrial Hyperplasias, American Journal of Clinical and Experimental Medicine.
Vol. 2, No. 4,
2014, pp. 64-69.
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