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Results 301 - 350 of 1371
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Muzzio Damián - - 2013
B lymphocytes are pleiotropic cells belonging to the adaptive arm of the immune system. Although B cells were classically regarded for their capacity to produce antibodies, in the recent years, several other functions were attributed to these cells. B cells can uptake, process and present antigens as well as produce ...
Tetz Lauren M LM Department of Environmental Health Sciences, University of Michigan, Ann Arbor, MI 48109-2029, USA. - - 2013
Di-2-ethylhexyl phthalate (DEHP) is an environmental contaminant commonly used as a plasticizer in polyvinyl chloride products. Exposure to DEHP has been linked to adverse pregnancy outcomes in humans including preterm birth, low birth-weight, and pregnancy loss. Although oxidative stress is linked to the pathology of adverse pregnancy outcomes, effects of ...
Mutinati M - - 2013
During physiological pregnancy, all tissues and, mostly, placenta and foetus require high amounts of oxygen. Reactive oxygen species (ROS), generated both by mother and foetus, are implicated in foetal growth because they promote replication, differentiation and maturation of cells and organs. Nevertheless, ROS excess, if not properly counterbalanced, may lead ...
Amiel Aliza - - 2013
Abstract Objective: Senescence has been described as a stable cell proliferation arrest resulting from the progression of primary human fibroblasts through a finite number of population doublings in vitro. Accelerated telomere shortening was observed in pregnancies complicated by intrauterine growth restriction (IUGR), in placentas of diabetic mothers, and trisomy 21 ...
Madu Anthony Emeka - - 2013
Abstract Feto-maternal transfusion or haemorrhage (FMT) occurs when there is the entry of fetal blood into the maternal circulation in pregnancy or during delivery. It has been stated that very small amount of fetal red cells are normally detectable in maternal circulation in all pregnancies. However, massive FMT is rare ...
Valdés Gloria - - 2013
ABSTRACT: BACKGROUND: In humans, trophoblast invasion, vascular remodeling and placental development are critical to determine the fate of pregnancy. Since guinea-pigs (GP) and humans share common pregnancy features including extensive trophoblast invasion, transformation of the uterine spiral arteries and a haemomonochorial placenta, the GP animal model was deemed suitable to ...
Havemann Dara D Department of Obstetrics, University of Texas Medical Branch at Galveston, Galveston, Texas 77555-1062, - - 2013
Intermedin (IMD) is a novel peptide expressed in trophoblast cells in human placenta and enhances the invasion, migration, and human leukocyte antigen class I, G (HLA-G) expression in first-trimester HTR-8SV/neo cells. We recently reported that infusion of IMD antagonist in pregnant rats is detrimental to pregnancy outcome, resulting in impaired ...
Nissi Ritva - - 2013
ABSTRACT: BACKGROUND: Trophoblast cell (CTB) invasion into the maternal endometrium plays a crucial role during human embryo implantation and placentation. This invasion is facilitated by the activity of matrix metalloproteinases, which are regulated by tissue inhibitors of MMPs (TIMPs). METHODS: This study compares the serum levels of MMP-9, MMP-2/TIMP-2 complex, ...
Kowalewski Mariusz Pawel - - 2013
The luteal phase in dogs is governed by many, poorly-understood regulatory mechanisms. Functioning of the CL is unaffected by hysterectomy. Recently, the role of prostaglandins in regulating canine CL function was addressed suggesting a luteotropic effect of PGE2 during the early luteal phase. However, compelling functional evidence was lacking. The ...
Choi Young-Ho - - 2013
The presence of heterogenous mitochondria from the host ooplast affects the acceptance of offspring obtained by somatic cell nuclear transfer. This might be avoided by obtaining oocytes from selected females, but is then complicated by low numbers of available oocytes. We examined the efficiency of equine somatic cell nuclear transfer ...
Teles Ana - - 2013
Regulatory T cells (Treg) are one of the most and best studied immune cell population during human and murine pregnancy, and there is a general consent about their expansion during pregnancy. However, the identification of new and more reliable Treg markers during the last years resulted in some controversies about ...
Arrighi Silvana - - 2013
The jelly-like gubernaculum testis (GT) is a hydrated structure consisting of a concentric sheath of dense connective tissue around a loose mesenchymal core, with two cords of skeletal muscle cells asymmetrically placed alongside. Expansion of the GT occurs during the transabdominal phase of testicular descent, linked to cell proliferation together ...
Hunt J S JS Department of Anatomy and Cell Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66160, - - 2013
Involvement of the maternal and fetal immune systems in the events of pregnancy was generally overlooked by reproductive biologists until the mid-twentieth century when many landmark explorations were reported. Now, more than half a century later, it is well understood that with the initiation of pregnancy, immune cells in mammalian ...
Erlebacher Adrian - - 2013
The immune cells that reside at the interface between the placenta and uterus are thought to play many important roles in pregnancy. Recent work has revealed that the composition and function of these cells is locally controlled by the specialized uterine stroma (the decidua) that surrounds the implanted conceptus. Here, ...
Kaitu'u-Lino Tu'uhevaha J TJ Translational Obstetrics Group, Department of Obstetrics and Gynaecology, Mercy Hospital for Women, 163 Studley Road, Heidelberg 3084, Victoria, - - 2013
Abnormal trophoblast growth can cause life-threatening disorders such as ectopic pregnancy, choriocarcinoma, and placenta accreta. EnGeneIC Delivery Vehicles (EDVs) are nanocells that can promote tissue-specific delivery of drugs and may be useful to medically treat such disorders. The objective of this study was to determine whether EDVs loaded with the ...
Boyd C A R - - 2013
The placenta must act as a surrogate lung, gastrointestinal tract and kidney for the fetus as well as acting as an endocrine gland necessary for the maintenance of a successful pregnancy: to achieve this, to what extent does the trophoblast necessarily share a similar epithelial phenotype? Here I review from ...
Hutter Stefan - - 2013
Pregnancy is a state of immunotolerance, and pregnancy outcome is strongly linked to the correct activation and balancing of the maternal immune system. Besides abortion as possible result of improper early pregnancy development, other pregnancy associated conditions like preeclampsia (PE), intrauterine growth retardation (IUGR), preterm labour, or gestational diabetes mellitus ...
Wang Lei - - 2013
Ectopic pregnancy is a common reproductive disorder of unknown etiology and is a leading cause of maternal and fetal mortality. Because of the asymptomatic nature of early tubal ectopic pregnancy and the lack of specific biomarkers for early diagnosis, a better understanding of the complex cellular and molecular interactions that ...
Xu Xiaoyan - - 2013
Inhibitory receptors and activating receptor expressed on decidual natural killer (dNK) cells are generally believed to be important in abnormal pregnancy outcomes and induced adverse pregnancy. However, if Toxoplasma gondii (T. gondii) infection induced abnormal pregnancy was related to dNK cells changes is not clear. In this study, we used ...
Dehghani Leila - - 2013
Previous studies have shown that morphine abuse during pregnancy cancause a delay in the development of the placenta and embryo and also bring about birth defects. The present study investigates the effect of the duration of maternal morphine consumption during pregnancy, as well as the impacts of morphine abuse on ...
Akinbami Akinsegun A - - 2013
Hematological profile is considered one of the factors affecting pregnancy and its outcome. Anemia is the most common hematological problem in pregnancy, followed by thrombocytopenia. Leukocytosis is almost always associated with pregnancy. The study reported here was designed to evaluate the overall mean values of seven major hematological parameters and ...
Khorram Khorshid Hamid Reza - - 2013
Nowadays, new advances in the use of cell free fetal DNA (cffDNA) in maternal plasma of pregnant women has provided the possibility of applying cffDNA in prenatal diagnosis as a non-invasive method. In contrary to the risks of invasive methods that affect both mother and fetus, applying cffDNA is proven ...
Li Hui - - 2013
Chemokine CCL24 is the second member of eotaxins, a group of eosinophils' selectively chemoattractants. Via binding to its only receptor CCR3, CCL24 mainly mediates atopic disorders, parasitic infections and systemic diseases. It is well-known that CCR3 is expressed at the maternal-fetal interface; nevertheless whether CCL24 is located there and which ...
Pereira Flavia Thomaz Verechia - - 2013
To investigate mechanisms of fetal-maternal cell interactions in the bovine placenta, we developed a model of transgenic enhanced Green Fluorescent Protein (t-eGFP) expressing bovine embryos produced by nuclear transfer (NT) to assess the distribution of fetal-derived products in the bovine placenta. In addition, we searched for male specific DNA in ...
Wong Kae Sheen - - 2013
Red blood cell alloimmunization in pregnancy can lead to fetal anaemia with potentially disastrous consequences. Traditional management involves the use of intrauterine transfusion, which is associated with significant procedure-related risks. An alternative treatment that has been trialled is the use of immunoglobulin administered intravenously to the mother. The objective of ...
Zagalo Carlos - - 2013
Burkitt's lymphoma (BL) is an aggressive B-cell malignancy with very high proliferation rate, more common in males than females. Here, we describe a case of Burkitt's lymphoma in a 24-week pregnant woman with cervical and abdominal involvement. The common genetic event of virtually all BL is a reciprocal chromosomal translocation ...
Andrade Luis P - - 2013
The aim of this study was to determine the effects of maternal undernutrition on ovine fetal testis morphology and expression of relevant histological indicators. Maternal undernutrition, in sheep, has been reported, previously, to alter fetal ovary development, as indicated by delayed folliculogenesis and the altered expression of ovarian apoptosis-regulating gene ...
Chumbley Lyndon Bart - - 2013
Immune activity during pregnancy must be tightly regulated to ensure successful pregnancy. This regulation includes the suppression of inflammatory activity that could target the semi-allogeneic fetus. Tregs are immunosuppressive; Th17 cells are pro-inflammatory. A precise balance in the two cell populations is critical to pregnancy maintenance, while dysregulation in this ...
Amor Martin Miguel - - 2013
Adult T-cell leukemia-lymphoma (ATL) is an uncommon highly aggressive T-cell lymphoma associated with human T-cell lymphotropic virus type 1 (HTLV-1) infection. It is rarely encountered during pregnancy and is particularly challenging to treat due to its aggressive nature and because of the lack of robust data on optimal chemotherapy. We ...
Chen Jin-Ling - - 2013
Toxoplasma gondii is an opportunistic intracellular parasite that is highly prevalent in human and warm-blooded animals throughout the world, leading to potentially severe congenital infections. Although the abortion caused by T. gondii is believed to be dependent on the timing of maternal infection during pregnancy, the mechanism remains unclear. This ...
Woidacki Katja - - 2013
The relationship between mast cells (MCs) and pregnancy is a controversially discussed topic. The presence and quantitative distribution of MCs in the reproductive tract was confirmed in different species. A phase-dependent oscillation of MCs during the hormonal regulated estrous cycle was suggested and on this basis, MCs were assumed to ...
Liotta Giuseppe - - 2013
HIV infection is a major contributor to maternal mortality in resource-limited settings. The Drug Resource Enhancement Against AIDS and Malnutrition Programme has been promoting HAART use during pregnancy and postpartum for Prevention-of-mother-to-child-HIV transmission (PMTCT) irrespective of maternal CD4 cell counts since 2002. Records for all HIV+ pregnancies followed in Mozambique ...
Koizumi Mitsuteru - - 2013
Preeclampsia is the most common hypertensive disorder to occur during pregnancy. A healthy 38-year-old primipara presented with pretibial edema at 33 weeks of gestation followed by the development of proteinuria at 36 weeks of gestation. She had no past medical history of hypertension and was normotensive during gestation. Her proteinuria ...
San Martin S - - 2013
Signal transducers and activators of transcription 3 (Stat3) has been identified as an important signal transducer in the invasive phenotype of the trophoblasts cells in in vitro studies. However, the in situ distribution and patterns of expression of this molecule in trophoblast cells during the development of the placenta are ...
Lau Sue Mei - - 2013
Insulin secretion increases in normal pregnancy to meet increasing demands. Inability to increase beta-cell function results in gestational diabetes mellitus (GDM). We have previously shown that the expression of the transcription factor ARNT (Aryl-hydrocarbon Receptor Nuclear Translocator) is reduced in the islets of humans with type 2 diabetes. Mice with ...
Lee Da Eun da - - 2013
Quantification of cell-free fetal DNA by methylation-based DNA discrimination has been used in non-invasive prenatal testing of fetal chromosomal aneuploidy. The maspin (Serpin peptidase inhibitor, clade B (ovalbumin), member 5; SERPINB5) gene, located on chromosome 18q21.33, is hypomethylated in the placenta and completely methylated in maternal blood cells. The objective ...
Kalkanli S - - 2013
In this study, pre-eclampsia, proteinuria, and edema associated with hypertension in pregnancy were assessed at the Dicle University School of Medicine Department of Obstetrics and Gynecology Clinic. One group included 20 pre-eclamptic pregnant women with gestational age 20-35 weeks of pregnancy and the same in the control group that included; ...
Oliveira Lilian J - - 2013
Despite extensive research in the area of cow fertility, the extent to which the maternal immune system is modulated during pregnancy in cattle remains unclear. Therefore, the objective of the current study was to characterize the presence and response profile of B, T-helper (LTh), T- cytotoxic (LTc), gamma delta-T (γδT) ...
Dorfeshan Parvin P Anatomy Department, Tarbiat Modares University, P.O. Box 14115-111, Tehran, - - 2013
The aim of this study was to determine the influence of ovarian stimulation on endometrial mouse NK cell population. For superovulation, the female adult NMRI mice were injected i.p. with 10 IU of the pregnant mare serum gonadotropin followed 48 h later by an i.p. injection of 10 IU human chorionic gonadotropin hormone. ...
Hung Tai-Ho TH Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Taipei, Taiwan ; Department of Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, - - 2013
Autophagy has been reported to be essential for pre-implantation development and embryo survival. However, its role in placental development and regulation of autophagy during pregnancy remain unclear. The aims of this study were to (1) study autophagy by characterizing changes in levels of beclin-1, DRAM, and LC3B in human placenta ...
Guzel Ali Irfan AI Dr Zekai Tahir Burak Women's Health Education and Research Hospital, Department of Gynecological Oncology, Ankara, Turkey. - - 2013
Cervical cancer during pregnancy has an incidence of about 1 to 10 in 10.000 individuals and is one of the most common malignancies occurring during pregnancy. In this report, we aimed to evaluate a pregnant women with cervical cancer underwent radical hysterectomy and pelvic and paraaortic lymphadenectomy at our clinic. ...
Thulluru Hari Krishna HK Department of Clinical Chemistry, Vrije Universiteit Medical Center Amsterdam, Netherlands ; Institute for Cardiovascular Research, Vrije Universiteit Medical Center Amsterdam, - - 2013
Nodal, a secreted signaling protein from the transforming growth factor beta (TGF-β)-super family plays a vital role during early embryonic development. Recently, it was found that maternal decidua-specific Nodal knockout mice show intrauterine growth restriction (IUGR) and preterm birth. The chromosomal location of NODAL is in the same linkage area ...
Teles Ana A Experimental Obstetrics and Gynecology, Medical Faculty, Otto-von-Guericke University Magdeburg, Germany ; PDBEB, Center for Neuroscience and Cell Biology, University of Coimbra - - 2013
Pregnancy establishment and maintenance represents a challenge for the maternal immune system because it has to be alert against pathogens while tolerating paternal alloantigens expressed in fetal structures. Regulatory T cells (Tregs) are important for successful implantation and involved in allotolerance towards paternal antigens. The origin and mechanisms leading to ...
BarczyƄski B B Department of Oncological Gynaecology and Gynaecology, Medical University of Lublin, Lublin, Poland. - - 2013
Conservative treatment of metastatic germ-cell tumor of the ovary does not exclude the possibility of pregnancy in the future. Serum beta-human chorionic gonadotropin (beta-hCG) serves as pregnancy test, and has also been proven to be a useful marker for ovarian germ-cell tumors. This paper is a case report of a ...
Ashton Erin E Department of Obstetrics and Gynecology, University of Connecticut Integrated Residency Program, Farmington, CT, - - 2013
•An 18 year old nulliparous woman was diagnosed with clear cell adenocarcinoma of the cervix in pregnancy.•LEEP conization at 33.3 weeks gestation led to premature rupture of membranes. Following cesarean section, a radical hysterectomy was performed.
Hasegawa K K Department of Obstetrics and Gynecology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan. - - 2013
Maternal virilization in pregnancy with or without fetal female pseudohermaphroditism has several etiologies. Of these, pregnancy luteoma is the most common cause of maternal virilization during pregnancy, and approximately 20 cases have been reported in recent years. Moreover, four cases of pregnancy luteomas with female pseudohermaphroditism have been reported. However, ...
Weiss Gerson - - 2013
In primate pregnancy, circulating relaxin, solely a product of the corpus luteum, peaks in the first trimester of pregnancy then declines and levels off for the remainder of pregnancy. Relaxin actions in pregnancy include increasing cervical pro-MMP-1 and pro-MMP-3 and decreasing TIMP-1, changes which soften the cervix. Relaxin, from early ...
Sari Youssef Y Department of Pharmacology, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, USA. - - 2013
Experimental designs for investigating the effects of prenatal alcohol exposure during early embryonic stages in fetal brain growth are challenging. This is mostly due to the difficulty of microdissection of fetal brains and their sectioning for determination of apoptotic cells caused by prenatal exposure to alcohol. The experiments described here ...
Kim Young Ju YJ Department of Obstetrics and Gynecology, Ewha Womans University School of Medicine, Seoul, - - 2013
Preeclampsia is one of the leading causes of maternal mortality/morbidity and preterm delivery in the world, affecting 3% to 5% of pregnant women. The pathophysiology of preeclampsia likely involves both maternal and fetal/placental factors. Abnormalities in the development of placental vessels early in pregnancy may result in placental hypoperfusion, hypoxia, ...
Shepard Michelle T MT University of Vermont College of Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, Burlington, VT 05405, - - 2013
The regulation of T cell homeostasis during pregnancy has important implications for maternal tolerance and immunity. Evidence suggests that Programmed Death-1 (PD-1) participates in regulation of T cell homeostasis and peripheral tolerance. To examine the contribution of PD-1 signaling on T cell homeostasis during normal mouse pregnancy, we examined T ...
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