Search Results
Results 451 - 500 of 1073
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Kashiwagi T - - 1999
2-Hydroxyestradiol 17-sulphate (2-OH E2-17-S) is a catecholized form of sulphated estrogen. In vitro studies showed that its antioxidative effect is almost equal to that of free catecholestrogens, such as 2-OH E2 or 4-OH E2 and alpha-tocoferol, but the existance of 2-OH E2-17-S in human serum has not yet been made ...
Wheeler T - - 1999
Vascular endothelial growth factor (VEGF) has important effects on endothelial cells increasing cell proliferation, permeability and nitric oxide production; concentrations of VEGF in the maternal serum increase during the first 10 weeks of pregnancy. In this study, the relationship of maternal serum VEGF with maternal health during pregnancy and with ...
Wallace E M - - 1999
OBJECTIVE: In the second trimester of pregnancy, inhibin A is significantly increased in maternal serum and decreased in amniotic fluid in Down's syndrome pregnancies compared to normal. We wished to further evaluate the levels of inhibin A, inhibin B, pro-alpha C inhibin, activin A and the binding protein follistatin in ...
Wada I - - 1999
OBJECTIVE: To examine etoposide (VP16) levels in serum and pleural effusion after intravenous infusion or intrathoracic instillation to lung cancer patients. METHODS: Four patients were administered VP16 by intrathoracic instillation and three patients were administered it intravenously. Serum, urine, and pleural effusion were collected and VP16 levels in the biological ...
Singh H J - - 1999
OBJECTIVE: To ascertain the calcium status in normal pregnant Malay women. METHODS: In a cross-sectional study, serum parathormone (PTH) and calcium concentrations, and 24-h urinary calcium excretion were estimated in age-matched normotensive pregnant women, over the 3 trimesters. RESULTS: No statistically significant differences were evident in serum ionised calcium concentrations ...
Martin U - - 1999
Serum cholesterol, triacylglycerols and low-density lipoprotein (LDL) subfractions were determined in 120 primagravid women during normal gestation (40 in each trimester) and in 20 non-pregnant age-matched controls. LDL subfractions were determined by PAGE, and an LDL score was calculated. The higher the score, the smaller the subfractions. The objective of ...
Kanda Y - - 1999
Thrombopoietin (TPO) is a ligand for c-mpl, which regulates the differentiation and maturation of megakaryocytes. Essential thrombocythaemia (ET) is a clonal myeloproliferative disorder. It has been reported that the platelet count declines during pregnancy in ET patients. We examined serial changes in the serum TPO level during the course of ...
Kobayashi H - - 1999
OBJECTIVE: To study the changes in concentrations of serum hyaluronic acid in uncomplicated human pregnancies. METHODS: We determined the concentrations of serum hyaluronic acid, using a specific enzyme-linked immunosorbent assay, in 70 nonpregnant women, 250 women during their pregnancies, and 68 women at the time of parturition. Results were analyzed ...
Powers R W - - 1999
OBJECTIVES: To test the hypothesis that the common missense mutation of 5,10-methylenetetrahydrofolate reductase (MTHFR) (677 C to T, ala to val) is more prevalent among nulliparous preeclamptic women compared with control and transient hypertension of pregnancy patients. The correlation of the MTHFR T677/T677 genotype in mothers and fetuses was also ...
O'Connor A E - - 1999
Activin A, a dimer of the betaA-subunit of inhibin, has been shown to have multiple biological activities and sites of production. Follistatin is a high-affinity binding protein for activin, which neutralizes its activity. This study provides the first data, using a cross-sectional design, on the measurement of both these proteins ...
Longnecker M P - - 1999
In utero exposure to dichlorodiphenyldichloroethene and polychlorinated biphenyls, within the range found in the general U.S. population, may produce detectable effects in offspring. To design studies of the effects of in utero organochlorine exposure, we obtained data on the relationship between gestational and perinatal maternal levels in females on several ...
Shaarawy M - - 1999
OBJECTIVES: To determine maternal serum leptin concentrations throughout normal pregnancy, as well as cord blood leptin concentration, and to correlate serum and cord blood leptin levels with gestational weight gain and birth weight, respectively. METHODS: This study comprised 52 normal pregnant women, including 11 in the first, 19 in the ...
Seki K - - 1999
Calcium-regulating hormones were serially measured during the second pregnancy in a woman with pseudohypoparathyroidism type 1b. Calcium levels corrected for serum albumin were maintained almost normal during her second pregnancy with 1alpha-hydroxycalciferol (2.0 microg daily) though they were slightly decreased in late pregnancy. 1,25-Dihydroxyvitamin D levels were higher in early ...
Cheli C D - - 1999
We sought to determine the maternal serum levels of four tumor-associated antigens during the three trimesters of pregnancy in healthy women. CEA, CA 228, CA 15-3, and Her2/neu oncogene product p105 assay values were determined for 90 healthy pregnant women during the three trimesters of pregnancy at five participating evaluation ...
Kristiansson P - - 1999
OBJECTIVE: The object was to study serum concentrations of reproductive hormones and aminoterminal propeptide of type III procollagen in early pregnancy as markers of pelvic pain (sacral pain or symphyseal pain) during later pregnancy. STUDY DESIGN: A prospective, clinical cohort study was performed, with repeated examinations of 200 women. RESULTS: ...
Wetzka B - - 1999
Normal pregnancy is a physiological condition of balanced hypercoagulability. However, in preeclamptic pregnancies, the coagulation and fibrinolytic cascades are highly activated, accompanied by pathological blood rheology and endothelial dysfunction. This may result in disseminated intravascular coagulation (DIC). Atherosclerosis research showed that lipids may interfere with coagulation and cause endothelial dysfunction. ...
Tempfer C C Department of Gynecology, University of Vienna Medical School, Austria. - - 1999
Preeclampsia is a severe complication in pregnancy, causing considerable maternal and fetal morbidity and mortality. Experimental evidence indicates that adhesion molecules are key factors of endothelial activation in preeclampsia. The aim of our study was to evaluate if serum levels of adhesion molecules CD44 and ELAM-1 provide clinically useful information ...
Mestman J H - - 1998
Diseases of the parathyroid gland are uncommon in women of childbearing age. However, total serum calcium is lower in normal pregnancy, but ionized serum calcium remains within normal limits. Serum parathyroid levels are slightly decreased in the second half of pregnancy. Primary hyperparathyroidism, if unrecognized, may increase maternal and fetal ...
Qu J - - 1998
This review summarizes the new information on the studies of inhibin, activin, and follistatin production in the placenta during human pregnancy. Inhibin and activin exert suppressive and stimulatory effects, respectively, on the release of FSH in the pituitary. Follistatin is bound to inhibin and activin and indirectly modulates the FSH ...
Knapen M F - - 1998
Serum levels of aminotransferases, lactate dehydrogenase, gammaglutamyl transferase, alkaline phosphatase, albumin and conjugated bilirubin, measured in 54 women at a median of 31 months (range 3-101) after pregnancies complicated by the HELLP syndrome, were not elevated. Total bilirubin levels, however, were elevated in 20% of these women; this represents a ...
D'Antona D - - 1998
Using two enzyme-linked immunosorbent assays specific for inhibin A and pro-alpha C inhibin, levels of the two proteins were assessed in maternal serum from 43 Down syndrome and 300 chromosomally normal pregnancies at 15-17 weeks' gestation. Compared to the control pregnancies, both inhibin A and pro-alpha C inhibin were significantly ...
Sivan E - - 1998
OBJECTIVES: The aims of the study were (1) to examine the relationship between leptin and placental hormones by measuring serial changes in serum levels of leptin during and after pregnancy and (2) to study the effects of several gestational hormones on leptin release from fully differentiated 3T3-L1 adipocyte cell cultures. ...
Lewitt M S - - 1998
The IGFs are believed to be important in pregnancy and are implicated in the pathophysiology of pre-eclampsia. In adults the IGFs circulate primarily with IGF-binding protein-3 (IGFBP-3) and an acid-labile glycoprotein (ALS) in a 140 kDa complex which limits IGF bioavailability. Less than 10% of IGFBP-3 is in lower molecular ...
Hauth J - - 1998
OBJECTIVE: The aim of the study was too determine whether, in a low-dose aspirin trial in high-risk pregnancies, a decrease in maternal serum thromboxane B2 level predicted improved pregnancy outcomes. STUDY DESIGN: This multicenter, randomized, double-blind trial included 2539 women, 1010 of whom had sufficient serum samples at enrollment and ...
Larsen B - - 1998
Erythromycin is the recommended therapy for pregnant women with chlamydial infection. Despite the fact that this drug has been available since 1952, relatively little is known about its pharmacokinetic behavior in pregnant women, and no investigations have been conducted in women who were in the third trimester of pregnancy. In ...
Jo T - - 1998
OBJECTIVE: This study was intended to measure serum concentrations of nitrite plus nitrate as an index of nitric oxide synthesis, in the maternal vein during pregnancy, just after a spontaneous delivery and at the puerperium, and at an elective cesarean section, and in the umblical vein and artery. METHODS: Maternal ...
Callies F - - 1998
There is no established therapeutic regimen for treatment of hypoparathyroidism during pregnancy. This is due particularly to uncertainty about the use of vitamin D or its analogues, as in animal experiments teratogenic side-effects have been reported. Nevertheless, vitamin D or its analogues are required to control tetany predisposing to abortion ...
Watt H C - - 1998
Maternal serum inhibin-A concentration is a useful marker in prenatal screening for Down syndrome in the second trimester. We measured inhibin-A concentrations in 4304 pregnancies without Down syndrome between 14 and 22 weeks of pregnancy to determine the median values according to gestational age. There was a U-shaped pattern of ...
Fraser R F RF - - 1998
PROBLEM: Serum concentrations of the heterodimeric glycoprotein inhibin-A (alpha-beta A) and its alpha-subunit increase during pregnancy. The placenta is the predominant source of inhibin during pregnancy, and a paracrine role in the trophoblast has been suggested. Elevated serum concentrations of inhibin alpha-subunit as well as the glycoprotein human chorionic gonadotropin ...
Matsushita M - - 1998
We examined the appearance of high-molecular-mass placental alkaline phosphatases (HPLAPs) in the serum of normal pregnant women by means of polyacrylamide gel electrophoresis (PAGE) in the presence of Triton X-100. The HPLAPs were undetectable or only slightly detectable by PAGE in the absence of Triton X-100. The HPLAPs were detected ...
Royle G - - 1998
OBJECTIVES: To ascertain the normal range of D-D dimer levels in pregnancy in our population, and whether dimer levels are of value as a correlate of proteinuric pregnancy-induced hypertension (PPIH) or a predictor of adverse outcome. METHODS: Dimer levels were measured in 44 women diagnosed with PPIH after 32 weeks' ...
Salvolini E - - 1998
OBJECTIVE: To assess human unstimulated whole saliva components during pregnancy, to determine the relation, if any, between pregnancy and oral health, particularly total protein concentration, alpha-amylase activity, sialic acid content and calcium and phosphate concentrations were evaluated. DESIGN: Cross-sectional study. PARTICIPANTS: Forty-five healthy primigravid women; 15 nonpregnant women acted as ...
af Geijersstam V - - 1998
The stability over time of serum IgG antibody levels to human papillomavirus type 16 (HPV-16) was determined by comparing the HPV-16 capsid antibody levels in serial serum samples of an age-stratified random subsample of 1656 primiparous mothers resident in Helsinki who were followed until their second pregnancy, on average 29.5 ...
Wójcicka-JagodziƄska J - - 1998
OBJECTIVE: The effect of threatened preterm delivery on calcium, phosphorus, magnesium homeostasis in the second trimester of pregnancy was investigated. METHODS: Serum concentrations of total and ionized calcium, inorganic phosphorus, magnesium, total protein, albumin, total estrogens and human placental lactogen were determined in women with threatened preterm delivery at 23-28 ...
Levy A M - - 1998
BACKGROUND: Shiitake mushrooms are a dietary staple in Asia and are increasingly popular worldwide. A cholesterol-lowering study with shiitake showed that 17 of 49 participants withdrew because of rash or abdominal discomfort, and two had marked eosinophilia. One of these latter participants was subsequently challenged for 14 days with shiitake ...
Ogueh O - - 1998
OBJECTIVE: To assess the risk of maternal osteoporosis associated with antenatal corticosteroid administration for neonatal respiratory distress syndrome prophylaxis. DESIGN: Prospective longitudinal study. SETTING: Maternity unit of Chelsea and Westminster Hospital, London. POPULATION: Fourteen pregnant women who received dexamethasone therapy for fetal lung maturation in anticipation of delivery before 34 ...
Merviel P - - 1998
OBJECTIVE: Study of maternal and fetal consequences of lone hyperuricemia during pregnancy and demonstration that lone hyperuricemia is not a risk factor regarding the onset of preeclampsia. STUDY DESIGN: Retrospective study of two groups of women, one found to have lone hyperuricemia during pregnancy (n=102) and the others with normal ...
Bossuyt X - - 1998
We compared the automated Paragon 2000 clinical capillary zone electrophoresis (CZE) system with two manual methods, agarose electrophoresis (AGE) and cellulose acetate electrophoresis (CAE). Reference intervals in healthy adults were determined for each method. When compared with AGE and CAE, CZE gave substantially higher reference values for the alpha1-globulin fraction. ...
Ellegård E - - 1998
OBJECTIVE: To describe any relationship between pregnancy rhinitis and weight gain or serum levels of estradiol, progesterone, placental growth hormone, or insulinlike growth factor I. PATIENTS: Twenty-seven nonsmoking healthy pregnant women aged 22 to 38 years (mean age, 28 years) who had no history of respiratory allergy or chronic nasal ...
Spitzer M - - 1998
OBJECTIVE: To determine the levels of CA-125 throughout pregnancy and the puerperium to establish a baseline, thereby indicating what values may be indicative of the pathologic conditions usually associated with elevated CA-125 levels. STUDY DESIGN: A prospective, longitudinal study was carried out on a consecutive series of pregnant women to ...
Lambert-Messerlian G M - - 1998
OBJECTIVES: Previous data have shown that inhibin A (alpha/betaA) is increased about twofold in maternal serum samples from Down syndrome pregnancy. Our objectives were to determine whether activin A (betaA/betaA) was similarly increased in maternal serum from pregnancies affected with fetal Down syndrome, and to investigate whether increased expression of ...
Everson G T - - 1998
Abnormal liver tests occur in 1 of 10 pregnancies, though liver function is usually normal during pregnancy. The data suggest that liver metabolic capacity may be reduced in late pregnancy. Hepatic excretory function has been assessed in human pregnancy by both bromosulfophthalein (BSP) and bilirubin tolerance tests. The data suggest ...
Airoldi L - - 1998
PROBLEM: The aim of this study was to determine serum levels of soluble intercellular adhesion molecule (sICAM)-1, an adhesion receptor that mediates interactions with the immune system, in physiologic and preeclamptic pregnancies. Moreover, we evaluated whether the release of sICAM-1 during pregnancy correlated to plasma fibronectin concentrations. METHOD OF STUDY: ...
Wallace E M - - 1998
In second-trimester Down syndrome pregnancies, levels of inhibin-A (the alpha-betaA dimer) in maternal serum and amniotic fluid (AF) are significantly higher and lower than in normal pregnancy, respectively. Since AF also contains inhibin-B (the alpha-betaB dimer) and precursor inhibins, we have examined whether the secretion of these inhibin isoforms may ...
Haddow J E - - 1998
OBJECTIVES: To determine the second trimester Down's syndrome screening performance of maternal serum dimeric inhibin A, both alone and in combination with existing serum markers. SETTING: A case-control set of serum samples from patients with Down's syndrome (52) and subjects with matched unaffected pregnancies obtained in a previous cohort study ...
Schubring C - - 1998
Leptin is an important regulator of body fat mass and energy expenditure during adult life. The mechanisms by which maternal and fetal weight are regulated during pregnancy are poorly understood. In order to gain more insight into a potential role of leptin during gestation, a prospective, longitudinal study was carried ...
Martín-Lagos F - - 1998
A cross-sectional study of serum zinc (Zn) and copper (Cu) levels in 31 healthy pregnant women and 51 healthy, nonpregnant controls living in the Mediterranean area of Granada, Spain, was performed. The subjects were divided into two groups: Group A, consisted of pregnant women in three categories according to the ...
Ding Z - - 1997
OBJECTIVE: This study was conducted (1) to determine in vitro placental villous cytotrophoblast secretion of prostacyclin, prostaglandin E2, and endothelin-1, (2) to examine the effect of serum from normal and preeclamptic women on secretion of these vasoactive substances, and (3) to determine whether responses to these sera by cytotrophoblasts from ...
Thomas A G - - 1997
OBJECTIVE: To assess the effects of pregnancy on cyclosporine levels in six renal allograft patients. METHODS: Maternal demographic, laboratory, clinical, and perinatal outcome data were recorded in six pregnant women with previous renal allografts receiving cyclosporine immunosuppression. The cyclosporine and serum creatinine levels were measured before pregnancy, during each trimester, ...
Lockwood G M - - 1997
To determine the source of the dimeric glycoproteins inhibin A (alpha-betaA) and activin A (betaA-betaA) in early pregnancy, we analyzed serial blood samples from women who became pregnant following in vitro fertilization (IVF) with fresh embryo transfer (ET; n = 52) and from women who achieved pregnancy with frozen-thawed embryos ...
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