Objective: To evaluate the value of maternal serum CA125 and CA15-3 concentrations for discriminating pathological from normal pregnancies. Methods: Serum samples from 120 women, in whom pregnancy outcome was pathological, i.e. spontaneous abortion, fetal death, intrauterine growth retardation, chromosomal and structural abnormalities, and (pre)eclampsia, were assessed for CA125 and CA15-3 and compared with levels found in 350 women with a normal pregnancy outcome matched for age and duration of pregnancy. Results: Maternal CA125 serum values were significantly higher in the first and the third trimester of pregnancy (median 23.0 and 21.0 U/ml; p < 0.00001 and p < 0.001, respectively), compared to those in the second trimester (median 14.0 U/ml), but not significantly different from those obtained in pathological pregnancies. Maternal serum CA15-3 values were significantly higher during the third trimester (median 26.0 U/ml) compared to the first and second trimester of pregnancy (median 14.0 and 15.0 U/ml; p < 0.0001); CA15-3 serum levels in normal and pathological pregnancies showed no significant difference. Conclusion: Maternal serum levels of CA125 are higher during the first and third trimester of pregnancy. CA15-3 maternal serum levels are higher during the third trimester compared to the first and second trimester. Maternal CA125 and CA15-3 serum levels showed no relation with a pathological outcome of pregnancy.

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: Inflammatory bowel diseases (IBDs) comprises a range of chronic inflammatory conditions of the intestinal tract. The incidence and prevalence of IBDs are increasing worldwide, but the precise etiology of these diseases is not completely understood. Calcium signaling plays a regulatory role in cellular proliferation. Nckx3, a potassium-dependent Na+/Ca2+ exchanger, is not only expressed in the brain but also in the aortic, uterine, and intestinal tissues, which contain abundant smooth muscle cells. This study investigated the role of Nckx3 in intestinal inflammation. Microarray analyses revealed the upregulation of the innate immune response-associated genes in the duodenum of Nckx3 knockout (KO) mice. The Nckx3 KO mice also showed an increase in IBD- and tumorigenesis-related genes. Using dextran sodium sulfate (DSS)-induced experimental colitis mice models, the Nckx3 KO mice showed severe colitis. Furthermore, the pathways involving p53 and NF-κB signaling were significantly upregulated by the absence of Nckx3. Overall, Nckx3 plays a critical role in the innate immune and immune response and may be central to the pathogenesis of IBD.

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