نتایج جستجو برای: myometrial thickness
تعداد نتایج: 110945 فیلتر نتایج به سال:
Elucidation of cellular mechanisms regulating myometrial contractility is crucial for improvement in management of many obstetric abnormalities, such as premature delivery, uterine dystocia and post-partum haemorrhage. Myometrial contractions are triggered by periodic synchronous rises in intracellular calcium concentration ([Ca(2+)]i) elicited by spontaneously generated action potentials propa...
Background and Objective: The beneficial effects of Ephedra Major in treating hypertension, common cold and muscle weakness have been reported. As there are no previous studies that assess its effects during pregnancy, we aimed to assess the biological effects of Ephedra Major extract on the quantitative development of Balb/C mouse embryos during the third to sixth days of pregnancy Material...
Oxytocin (OXT) is a peptide hormone that binds the OXT receptor on myometrial cells, initiating an intracellular signaling cascade, resulting in accumulation of intracellular calcium and smooth muscle contraction. In other systems, an elevation of intracellular Ca(2+) stimulates nuclear translocation of the transcription factor, nuclear factor of activated T cells (NFAT), which is transcription...
Considering that preterm birth accounts for about 6-10% of all births in Western countries and of more than 65% of all perinatal deaths, elucidation of the particularly complicated mechanisms of labor is essential for determination of appropriate and effective therapeutic interventions. Labor in humans results from a complex interplay of fetal and maternal factors, which act upon the uterus to ...
Background: This article describes a patient with a history of two early miscarriages. She presented with menorrhagia and a recurrence of multiple fibroids. Laparotomy and myomectomy were performed and were complicated by a myometrial abscess. The diagnosis and management of such a rare complication are described. Case: A 39year-old African American female (gravida 3, para 1) presented with a h...
Advanced maternal age of first time pregnant mothers is associated with prolonged and dysfunctional labor and significant risk of emergency cesarean section. We investigated the influence of maternal age on myometrial contractility, expression of contractile associated proteins (CAPs), and global gene expression in the parturient uterus. Female Wistar rats either 8 (YOUNG n = 10) or 24 (OLDER n...
G protein-coupled estrogen receptor 1 (GPER), also named GPR30, has been previously identified in the female reproductive system. In this study, GPER expression was found in the female rat myometrium by reverse transcriptase-polymerase chain reaction and immunocytochemistry. Using GPER-selective ligands, we assessed the effects of the GPER activation on resting membrane potential and cytosolic ...
Proteomic approach to ETV5 during endometrial carcinoma invasion reveals a link to oxidative stress.
Endometrial cancer, the most common gynecological malignancy in western countries, is characterized by a favorable prognosis. Nonetheless, deep myometrial invasion correlates with more undifferentiated tumors, lymph-vascular invasion, node involvement and decreased global survival. We have described previously the Ets family member ERM/ETV5 specifically upregulated in endometrial endometrioid c...
We have described recently the Ets family transcription factor, ERM/ETV5, specifically up-regulated in endometrioid endometrial carcinoma (EEC) and associated with myometrial infiltration. Ets family members have been correlated to tumor progression by up-regulating the expression of matrix-degrading proteases. In the present study, we investigated the possibility that in EEC, ERM/ETV5 may act ...
Force generation in smooth muscle is driven by phosphorylation of myosin light chains (MYL), which is regulated by the equilibrium between the activities of myosin light chain kinase (MYLK) and myosin phosphatase (MYLP). MYLK is activated by Ca(2+)-calmodulin whereas MYLP is inhibited by phosphorylation of its myosin-binding subunit (MYPT1) by Ca(2+)-independent mechanisms, leading to generatio...
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