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Pregnancy associated plasma protein a

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https://www.readbyqxmd.com/read/27915499/first-trimester-contingent-screening-for-trisomies-21-18-13-is-this-model-cost-efficient-and-feasible-in-pubblic-health-system
#1
Enrico Colosi, Valentina D'Ambrosio, Enrico Periti
PURPOSE: To evaluate the effectiveness of three different first trimester screening models for trisomies 21, 18 and 13, in terms of detection rate, invasive test rate and final costs. MATERIAL AND METHODS: We analyzed the distribution of risk for trisomies 21, 18 and 13 in a population of 20.831 singleton pregnancies based on maternal age, fetal heart rate, nuchal translucency, free beta human chorionic gonadotropin and pregnancy associated plasma protein A (Combined test)...
December 5, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27904516/serum-pregnancy-associated-plasma-protein-a-levels-in-the-first-second-and-third-trimester-of-pregnancy-relation-to-newborn-anthropometric-parameters-and-maternal-tobacco-smoking
#2
Magdalena Chełchowska, Joanna Gajewska, Joanna Mazur, Jadwiga Ambroszkiewicz, Tomasz M Maciejewski, Jerzy Leibschang
INTRODUCTION: The purpose of this study was to evaluate the associations of the first, second and third trimester serum pregnancy-associated plasma protein A (PAPP-A) concentrations with neonatal anthropometric parameters. The effect of tobacco smoking during pregnancy on PAPP-A level was also studied. MATERIAL AND METHODS: One hundred and fifty healthy pregnant women were divided into smoking and tobacco-abstinent groups. Serum PAPP-A level was measured with the KRYPTOR rapid random-access immunoassay analyzer...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27898968/post-artificial-insemination-supplementation-with-calcium-salts-of-soybean-oil-influences-pregnancy-establishment-factors-in-beef-cows
#3
R S Cipriano, R F Cooke, A D Rodrigues, L G T Silva, D W Bohnert, R S Marques, J L M Vasconcelos, A V Pires, R L A Cerri
The objective of this experiment was to compare hormonal, uterine, and conceptus factors associated with pregnancy establishment in beef cows supplemented or not with Ca salts of soybean oil (CSSO) for 21 d beginning after timed AI. One hundred lactating multiparous Nelore cows were allocated to 20 groups of 5 cows/group and timed inseminated on d 0 of the experiment. After AI, groups were randomly assigned to receive (as-fed basis) 100 g of protein-mineral mix + 100 g of ground corn per cow per day, in addition to 1) 100 g/cow daily of CSSO ( = 10) or 2) 100 g/cow daily of kaolin (CON; rumen-inert indigestible substance; = 10)...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27887594/first-trimester-serum-placental-growth-factor-and-hyperglycosylated-human-chorionic-gonadotropin-are-associated-with-pre-eclampsia-a-case-control-study
#4
Elina Keikkala, Sini Koskinen, Piia Vuorela, Hannele Laivuori, Jarkko Romppanen, Seppo Heinonen, Ulf-Håkan Stenman
BACKGROUND: To study whether maternal serum hyperglycosylated human chorionic gonadotropin (hCG-h) improves first trimester prediction of pre-eclampsia when combined with placental growth factor (PlGF), pregnancy-associated plasma protein-A (PAPP-A) and maternal risk factors. METHODS: Gestational-age-adjusted concentrations of hCG, hCG-h, PlGF and PAPP-A were analysed in serum samples by time-resolved immunofluorometric assays at 8-13 weeks of gestation. The case-control study included 98 women who developed pre-eclampsia, 25 who developed gestational hypertension, 41 normotensive women with small-for-gestational-age (SGA) infants and 177 controls...
November 25, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27887588/longitudinal-reference-ranges-for-maternal-plasma-laeverin-and-its-role-as-a-potential-biomarker-of-preeclampsia
#5
Mona Nystad, Vasilis Sitras, Kari Flo, Christian Widnes, Åse Vårtun, Tom Wilsgaard, Ganesh Acharya
BACKGROUND: Laeverin is a placenta-specific membrane-bound aminopeptidase. In this study we wanted to: 1) serially measure plasma levels of laeverin in healthy women during the second half of pregnancy and postpartum, 2) determine whether laeverin is differently expressed at 22-24 weeks in women who later develop preeclampsia compared to controls, 3) compare laeverin protein expression in placenta and umbilical vein serum in healthy and preeclamptic pregnancies at birth. METHODS: Plasma was obtained serially, approximately every 4-weeks, from 53 healthy women with uncomplicated pregnancies during 22(+0) to 39(+6) weeks of gestation, and at 22-24 weeks from 15 women who later developed preeclampsia...
November 25, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27881939/can-pregnancy-associated-plasma-protein-a-be-a-marker-for-the-assessment-of-atherosclerosis-risk-in-patients-with-chronic-plaque-psoriasis
#6
Mualla Polat, Guler Bugdayci, Asli Sahin, Hatice Kaya, Tuna Sezer, Serkan Ozturk
INTRODUCTION: Psoriasis is an immune-mediated chronic inflammatory dermatosis. Several studies have shown that patients with psoriasis have a much greater risk of cardiovascular diseases than the normal population. The chronic inflammation observed in psoriasis is thought to have a role in the development of atherosclerosis and vascular endothelial injury. AIM: To examine serum pregnancy-associated plasma protein-A (PAPP-A) levels, which has been regarded as a marker of early stage atherosclerosis in patients with psoriasis that do not have concurrent conventional cardiovascular risk markers...
October 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27854388/prediction-of-stillbirth-from-placental-growth-factor-at-11-13-weeks
#7
R Akolekar, M Machuca, M Mendes, V Paschos, K H Nicolaides
OBJECTIVES: To investigate whether the addition of maternal serum placental growth factor (PlGF) measured at 11-13 weeks' gestation improves the performance of screening for stillbirths that is achieved by a combination of maternal factors and first-trimester biomarkers such as maternal serum pregnancy-associated plasma protein-A (PAPP-A), fetal ductus venosus pulsatility index for veins (DV-PIV) and uterine artery pulsatility index (UtA-PI) and to evaluate the performance of screening with this model for all stillbirths and those due to impaired placentation and unexplained causes...
November 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27837083/a-first-trimester-biomarker-panel-for-predicting-the-development-of-gestational-diabetes
#8
Antonio Farina, Elizabeth Eklund, Dalila Bernabini, Mariangela Paladino, Francesca Righetti, Giuseppe Monti, Geralyn Lambert-Messerlian
OBJECTIVE: Serum markers measured early in pregnancy have been associated with the later diagnosis of gestational diabetes mellitus (GDM). This study aims to explore the performance of a panel of first-trimester biochemical markers for the prediction of GDM. METHODS: A case-control study was performed that included 12 women who developed GDM and 60 controls matched for maternal and gestational age at blood collection. Levels of pregnancy-associated plasma protein A (PAPP-A), soluble endoglin, pregnancy protein 13, and adiponectin (Adipo) were measured on residual sera used in first-trimester screening for Down syndrome...
November 11, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27820935/past-present-and-future-in-the-relationship-between-growth-retardation-and-the-igf-system-excerpts-from-the-cesar-bergada-lecture-given-during-the-slep-2015-annual-meeting
#9
Héctor Jasper
This mini review presents a personal view about the past, the present and the future of the relationship between growth retardation and the IGF system. Looking back, it is pertinent to include a brief look at the evolution of the somatomedin hypothesis, the use of IGF-I determinations in the clinic, and a review of the literature beginning in the late 1980s with the description of mutations in the Growth Hormone Receptor (GHR) gene. The present possibly started in the mid-1990s with the description of mutations in the IGF-I gene, followed in 2003 by reports of mutations in the genes coding for the IGF-I receptor and in the signal transducer and activator of transcription 5b (STAT5b)...
November 8, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27809614/lower-placental-growth-factor-and-higher-free-%C3%AE-hcg-and-papp-a-levels-in-the-fetal-circulation-of-near-term-pregnancies-complicated-with-severe-preeclampsia
#10
Verónica Paredes, Jasson A Espinoza-Caicedo, Danny Salazar-Pousada, Gustavo S Escobar, Faustino R Pérez-López, Peter Chedraui
BACKGROUND: An imbalance between anti- and angiogenic factors during early placentation is key for the development of preeclampsia. Nevertheless, the majority of studies addressing this issue relate to maternal blood and not the fetal circulation. OBJECTIVE: To measure placental growth factor (PlGF), free beta human chorionic gonadotropin (β-hCG), and pregnancy-associated plasma protein-A (PAPP-A) levels in the fetal circulation of near-term pregnancies complicated with severe preeclampsia (n = 20), and their controls matched for parity, and maternal and gestational age...
November 4, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27809366/predictive-value-of-serum-pregnancy-associated-plasma-protein-a-for-patients-with-ischemic-cerebrovascular-disease
#11
Shun Wang, Jun Jiang, Chuncheng Qu, Chengwei Wang, Zhaohui Sun
BACKGROUND: To investigate the role of pregnancy-associated plasma protein A (PAPP-A) in the outcome of ischemic cerebrovascular disease. METHODS: We analyzed the levels of PAPP-A in the transient ischemic attack (TIA) patients, ischemic stroke (IS) patients and normal control, and followed up the outcome of the patients in the following 2 years. Blood samples were drawn at admission, prior to treatment with heparins. RESULTS: The levels of PAPP-A in TIA patients, IS patients and normal control were 4...
November 3, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27802281/pregnancy-associated-changes-in-pharmacokinetics-a-systematic-review
#12
Gali Pariente, Tom Leibson, Alexandra Carls, Thomasin Adams-Webber, Shinya Ito, Gideon Koren
BACKGROUND: Women are commonly prescribed a variety of medications during pregnancy. As most organ systems are affected by the substantial anatomical and physiological changes that occur during pregnancy, it is expected that pharmacokinetics (PK) (absorption, distribution, metabolism, and excretion of drugs) would also be affected in ways that may necessitate changes in dosing schedules. The objective of this study was to systematically identify existing clinically relevant evidence on PK changes during pregnancy...
November 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27793387/effect-of-pregnancy-associated-plasma-protein-a-papp-a-single-nucleotide-polymorphisms-on-the-level-and-activity-of-papp-a-and-the-hormone-profile-in-fluid-from-normal-human-small-antral-follicles
#13
Jane Alrø Bøtkjær, Tanni Borgbo, Søren Kløverpris, Pernille Rimmer Noer, Claus Oxvig, Claus Yding Andersen
OBJECTIVE: To reveal a possible relationship between two single nucleotide polymorphisms (SNPs) in PAPP-A-1224 (rs7020782) and 327 (rs12375498)-and the level and activity of PAPP-A in follicular fluid (FF) of human small antral follicles, and to analyze the intrafollicular hormone levels. DESIGN: Laboratory investigation. SETTING: University hospital. PATIENT(S): Fifty volunteer women who contributed a total of 210 samples of FF from normal small antral follicles...
December 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27766527/high-prevalence-of-congenital-thrombophilia-in-patients-with-pregnancy-related-or-idiopathic-venous-thromboembolism-pulmonary-embolism
#14
Makoto Ikejiri, Hideo Wada, Norikazu Yamada, Maki Nakamura, Naoki Fujimoto, Kaname Nakatani, Akimasa Matsuda, Yosihito Ogihara, Takeshi Matsumoto, Yuki Kamimoto, Tomoaki Ikeda, Naoyuki Katayama, Masaaki Ito
Congenital thrombophilia which is characterized by deficiencies in proteins such as antithrombin (AT), protein C (PC) and protein S (PS), is a major cause of venous thromboembolism (VTE). A total of 130 patients with VTE were evaluated for congenital thrombophilia based on the activity of AT, PC, or PS. Fifteen VTE patients with congenital AT deficiency (11.5 %), 16 with congenital PC deficiency (12.3 %) and eight with congenital PS deficiency (6.2 %) were diagnosed using DNA analysis. The frequency of congenital AT deficiency was significantly higher in subjects with pregnancy-related and idiopathic VTE than in those with VTE due to other causes, and congenital PC and PS deficiency were frequently associated with idiopathic VTE...
October 20, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27751756/repeated-measures-analysis-of-associations-between-urinary-bisphenol-a-concentrations-and-biomarkers-of-inflammation-and-oxidative-stress-in-pregnancy
#15
Kelly K Ferguson, David E Cantonwine, Thomas F McElrath, Bhramar Mukherjee, John D Meeker
Bisphenol-A (BPA) exposure occurs commonly and may adversely impact pregnancy. Endocrine disruption is posited as the primary mechanism of action, but oxidative stress and inflammation pathways may also be important. We investigated associations between BPA exposure and oxidative stress and inflammation in 482 pregnant women. Participants were recruited early in pregnancy and provided urine and plasma at up to four visits. We measured total BPA and two biomarkers of oxidative stress (8-hydroxydeoxyguanosine and 8-isoprostane) in urine from each visit...
December 2016: Reproductive Toxicology
https://www.readbyqxmd.com/read/27732913/targeting-arachidonic-acid-pathway-to-prevent-programmed-hypertension-in-maternal-fructose-fed-male-adult-rat-offspring
#16
You-Lin Tain, Wei-Chia Lee, Kay L H Wu, Steve Leu, Julie Y H Chan
Hypertension can be programmed in response to nutritional insults in early life. Maternal high-fructose (HF) intake induced programmed hypertension in adult male offspring, which is associated with renal programming and arachidonic acid metabolism pathway. We examined whether early treatment with a soluble epoxide hydrolase (SEH) inhibitor, 12-(3-adamantan-1-yl-ureido)-dodecanoic acid (AUDA) or 15-Deoxy-Δ(12,14)-prostagandin J2 (15dPGJ2) can prevent HF-induced programmed hypertension. Pregnant Sprague Dawley rats received regular chow or chow supplemented with fructose (60% diet by weight) during the whole period of pregnancy and lactation...
September 7, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27731952/first-and-second-trimester-maternal-serum-inhibin-a-levels-in-twins-with-pre-eclampsia
#17
Ran Svirsky, Ron Maymon, Yaakov Melcer, Esther Klog, Howard Cuckle
OBJECTIVE: To investigate maternal serum inhibin as a marker of pre-eclampsia (PE) in twins. METHODS: One hundred forty-three twins and 109 unaffected singleton pregnancies were recruited in the first trimester from the same institution. Blood samples were stored at recruitment and in the second trimester, retrospectively tested for inhibin and values expressed in multiples of the gestation-specific median (MoMs) in singletons, adjusted for maternal weight, as appropriate...
November 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27730332/pregnancy-associated-plasma-protein-a-papp-a-as-a-possible-biomarker-in-patients-with-coronary-artery-disease
#18
H Gutiérrez-Leonard, E Martínez-Lara, A E Fierro-Macías, V M Mena-Burciaga, M D Ronquillo-Sánchez, E Floriano-Sánchez, N Cárdenas-Rodríguez
BACKGROUND: Cardiovascular disease is the leading cause of death in the Western world, and a major cause of this disease is atherosclerosis. Research has demonstrated that pregnancy-associated plasma protein A (PAPP-A) plays a role in cardiovascular disease, as evidenced by the association between PAPP-A and severity of heart damage. AIM: The aim of this work was to investigate the correlation between PAPP-A concentrations in coronary and peripheral blood and certain clinicopathological factors and antioxidant enzyme activities in patients diagnosed with coronary artery disease...
October 11, 2016: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/27711184/a-plaque-disruption-index-identifies-patients-with-non-ste-type-1-myocardial-infarction-within-24-hours-of-troponin-positivity
#19
Maha A Al-Mohaissen, Ronald G Carere, G B John Mancini, Karin H Humphries, Beth A Whalen, Terry Lee, Frank X Scheuermeyer, Andrew P Ignaszewski
BACKGROUND: Markers of plaque destabilization and disruption may have a role in identifying non-STE- type 1 Myocardial Infarction in patients presenting with troponin elevation. We hypothesized that a plaque disruption index (PDI) derived from multiple biomarkers and measured within 24 hours from the first detectable troponin in patients with acute non-STE- type 1 MI (NSTEMI-A) will confirm the diagnosis and identify these patients with higher specificity when compared to individual markers and coronary angiography...
2016: PloS One
https://www.readbyqxmd.com/read/27703566/early-prognostic-factors-for-the-progress-of-preeclampsia-our-experience-in-the-period-2010-2011
#20
Mariya Angelova, Ivan Todorov, Emil Kovachev
AIM: To determine the prognostic value of the low Pregnancy-associated plasma protein A (PAPP-A) levels in the early stages of pregnancy (11-13 weeks GA) independently and in combination with a Doppler test of the uterine arteries during the second half of pregnancy (22-23 weeks GA). MATERIAL AND METHODS: The study covered the period 2010-2011 and included 106 pregnant women, aged 35-40, with a single child pregnancy. The research excluded pregnant women with anomalies of the fetus, smokers and women taking prophylactically low doses of aspirin...
September 15, 2016: Open Access Macedonian Journal of Medical Sciences
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