Preeclampsia affects 7-10% of all pregnancies, and is a major cause of maternal and fetal morbidity and mortality. Although enhanced apoptosis is well known in placentas with preeclampsia, the role of transcription factor nuclear factor-kappa B (NF-κB) in the process is still being debated. In this work, we investigate the relationship between NF-κB expression and trophoblastic cell apoptosis in pregnancies complicated with preeclampsia or intrauterine growth restriction (IUGR) by immunohistochemical analysis of NF-κB and three apoptosis related markers: bcl-2, caspase-3, and M30 CytoDeath antibody that identifies early apoptotic changes in the cytoskeleton related to action of caspase. The study was conducted on placental samples from 19 preeclamptic, 5 IUGR-complicated and 10 normal pregnant women. The three conclusions from the statistical analysis of the data are obtained; (i) Significantly higher expression of NF-κB in IUGR-complicated (p = 0.003) and preeclamptic placentas (p = 0.004) than the control placentas, (ii) significantly higher M30 index and caspase 3 expression in IUGR and preeclampsia placentas (p = 0.003), and (iii) decreased expression of bcl-2 in IUGR and preeclampsia placentas (p = 0.001). Based on these observations, we suggest that increased trophoblastic apoptosis is at least partially induced by NF-κB and reduced bcl-2 expression.
Background:Cesarean section (CS) is one of the most common obstetric procedures worldwide and an increased rate of cesarean section has been observed in recent studies. Maternal and fetal mortality and morbidity associated with cesarean section is an...
Platelets are blood elements thought to play a role in the immune system and therefore tumor development and metastasis. Platelet activation parameters such as mean platelet volume (MPV), platelet distribution width (PDW), and plateletcrit (PCT) can be easily evaluated with the whole blood count and have been studied as markers of systemic inflammatory responses in various cancer types. Our aim in this study was to evaluate the correlation between endometrial pathologies and MPV, PDW and PCT. A total of 194 patients who presented to our clinic with abnormal vaginal bleeding were included in our study. The patients were divided into 3 groups (endometrial hyperplasia, endometrial cancer, control) according to their pathology results. The groups were compared for MPV, PDW, and PCT values obtained from the blood samples taken on endometrial biopsy day. The endometrial cancer patients were the oldest group (p=0.04). There was no significant difference between the three groups in terms of white blood cell count (WBC), platelet count (PC), and hemoglobin (Hb) level. The highest MPV (p<0.001), PDW (p=0.002), and PCT (p<0.001) levels were in the endometrial cancer group, and the lowest levels were in the control group. The easy evaluation of platelet parameters in patients who are suspected of having endometrial pathology is a significant advantage. We found MPV, PDW, and PCT to be correlated with the severity of endometrial pathology with the highest values in endometrial cancer. Studies to be conducted together with different laboratory parameters will further help evaluate the diagnosis and severity of endometrial cancer and precursor lesions.
1 November 2006 in European Journal of Obstetrics & Gynecology and Reproductive Biology