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fetal fibronectine

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https://www.readbyqxmd.com/read/29112664/placental-alpha-microglobulin-1-compared-with-fetal-fibronectin-to-predict-preterm-delivery-in-symptomatic-women
#1
Deborah A Wing, Sina Haeri, Angela C Silber, Cheryl K Roth, Carl P Weiner, Nelson C Echebiri, Albert Franco, Lanissa M Pappas, John D Yeast, Angelle A Brebnor, J Gerald Quirk, Aisling M Murphy, Louise C Laurent, Nancy T Field, Mary E Norton
OBJECTIVE: To compare the rapid bedside test for placental α microglobulin-1 with the instrumented fetal fibronectin test for prediction of imminent spontaneous preterm delivery among women with symptoms of preterm labor. METHODS: We conducted a prospective observational study on pregnant women with signs or symptoms suggestive of preterm labor between 24 and 35 weeks of gestation with intact membranes and cervical dilatation less than 3 cm. Participants were prospectively enrolled at 15 U...
November 3, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29042802/utilization-of-fetal-fibronectin-testing-and-pregnancy-outcomes-among-women-with-symptoms-of-preterm-labor
#2
Sean C Blackwell, Erin M Sullivan, Allison A Petrilla, Xian Shen, Kathleen A Troeger, James D Byrne
OBJECTIVES: To identify pregnant health plan members triaged through the emergency department (ED), including labor and delivery (ELD) units, with symptoms of preterm labor (PTL), and evaluate the use of fetal fibronectin (fFN) testing; and to calculate the rate of hospitalization and timing of delivery in relation to the ED visit. METHODS: Retrospective cohort study using Medical Outcomes Research for Effectiveness and Economics Registry(®), a national multipayer claims database...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/28935263/predicting-preterm-birth-cervical-length-and-fetal-fibronectin
#3
REVIEW
Moeun Son, Emily S Miller
Spontaneous preterm birth remains the leading cause of neonatal morbidity and mortality worldwide, and accounts for a significant global health burden. Several obstetric strategies to screen for spontaneous preterm delivery, such as cervical length and fetal fibronectin measurement, have emerged. However, the effectiveness of these strategies relies on their ability to accurately predict those pregnancies at increased risk for spontaneous preterm birth (SPTB). Transvaginal cervical shortening is predictive of preterm birth and when coupled with appropriate preterm birth prevention strategies, has been associated with reductions in SPTB in asymptomatic women with a singleton gestation...
September 18, 2017: Seminars in Perinatology
https://www.readbyqxmd.com/read/28910845/the-association-between-fetal-fibronectin-cervical-length-and-amniotic-fluid-sludge-with-histological-indicators-of-placental-inflammation-in-twin-gestations
#4
Aboluwade Ayodele, Nathan S Fox, Simi Gupta, Jessica Spiegelman, Daniel H Saltzman, Whitney Booker, Andrei Rebarber
No abstract text is available yet for this article.
September 14, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28880936/reduced-microrna-503-expression-augments-lung-fibroblast-vegf-production-in-chronic-obstructive-pulmonary-disease
#5
Jun Ikari, Amy J Nelson, Jannah Obaid, Alvaro Giron-Martinez, Kumiko Ikari, Fumihiko Makino, Shunichiro Iwasawa, Yoko Gunji, Maha Farid, Xingqi Wang, Hesham Basma, Dawn Demeo, Carol Feghali-Bostwick, Olaf Holz, Klaus Rabe, Xiangde Liu, Stephen I Rennard
Alterations in microRNA (miRNA) expression may contribute to COPD pathogenesis. In COPD, lung fibroblast repair functions are altered in multiple ways, including extracellular mediator release. Our prior study revealed miR-503 expression is decreased in COPD lung fibroblasts, although the exact role played by miR-503 is undetermined. The current study examined a role of miR-503 in cytokine, growth factor and fibronectin production by lung fibroblasts from patients with and without COPD. Primary adult lung fibroblasts were isolated from patients with or without COPD...
2017: PloS One
https://www.readbyqxmd.com/read/28855236/serial-transvaginal-cervical-length-measurements-and-quantitative-vaginal-fetal-fibronectin-concentrations-did-not-predict-spontaneous-preterm-birth-in-low-risk-nulliparous-women
#6
https://www.readbyqxmd.com/read/28776905/expression-of-cytokine-and-extracellular-matrix-mrnas-in-fetal-hepatic-stellate-cells
#7
Keai Sinn Tan, Kasem Kulkeaw, Yoichi Nakanishi, Daisuke Sugiyama
In mouse fetal liver, hepatoblasts, sinusoidal endothelial cells and macrophages (or erythroblastic islands) promote differentiation and proliferation of hematopoietic cells through cell-cell interactions and secretion of cytokines and extracellular matrix factors. Until now, we have had little knowledge of the hematopoietic cytokines or extracellular matrix mRNAs expressed in hepatic stellate cells. Using p75 neurotrophin receptor (p75NTR) to mark this cell population, we sorted 12.5, 14.5 and 16.5 dpc hepatic stellate cells and analyzed expression of cytokines and extracellular matrix mRNAs...
September 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/28752875/multimode-smartphone-biosensing-the-transmission-reflection-and-intensity-spectral-tri-analyzer
#8
Kenneth D Long, Elizabeth V Woodburn, Huy M Le, Utsav K Shah, Steven S Lumetta, Brian T Cunningham
We demonstrate a smartphone-integrated handheld detection instrument capable of utilizing the internal rear-facing camera as a high-resolution spectrometer for measuring the colorimetric absorption spectrum, fluorescence emission spectrum, and resonant reflection spectrum from a microfluidic cartridge inserted into the measurement light path. Under user selection, the instrument gathers light from either the white "flash" LED of the smartphone or an integrated green laser diode to direct illumination into a liquid test sample or onto a photonic crystal biosensor...
September 26, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28742594/cervical-evaluation-in-pregnancy-proper-measurement-evaluation-and-management
#9
Joseph R Wax, Angelina Cartin, Michael G Pinette
Preterm birth is the leading cause of perinatal morbidity and mortality in developed nations. The heterogeneous causes of spontaneous preterm birth make prediction and prevention difficult. The primary importance of transvaginal cervical sonography and cervicovaginal fetal fibronectin lies in their high negative predictive values in assessing risk for preterm birth. Cervical length may be useful in identifying women who are candidates for cervical cerclage or progesterone therapy for preterm birth prevention...
September 2017: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28729349/fgf9-prevents-pleural-fibrosis-induced-by-intra-pleural-adenovirus-injection-in-mice
#10
Aurélien Justet, Audrey Joannes, Valérie Besnard, Joëlle Marchal-Sommé, Madeleine Jaillet, Phillippe Bonniaud, Jean-Michel Sallenave, Brigitte Solhonne, Yves Castier, Pierre Mordant, Hervé Mal, Aurélie Cazes, Raphael Borie, Arnaud A Mailleux, Bruno Crestani
Fibroblast Growth Factor 9 (FGF9) is necessary for fetal lung development and is expressed by epithelium and mesothelium. We evaluated the role of FGF9 overexpression on adenoviral-induced pleural injury in vivo and determined the biological effects of FGF9 on mesothelial cells in vitro. We assessed the expression of FGF9 and FGF receptors by mesothelial cells in both Human and mouse lungs. Intrapleural injection of an adenovirus expressing human FGF9 (AdFGF9) or a control adenovirus (Adcont) was performed...
July 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28714276/human-platelet-lysate-supports-the-formation-of-robust-human-periodontal-ligament-cell-sheets
#11
Bei-Min Tian, Rui-Xin Wu, Chun-Sheng Bi, Xiao-Tao He, Yuan Yin, Fa-Ming Chen
The use of stem cell-derived sheets has become increasingly common in a wide variety of biomedical applications. Although substantial evidence has demonstrated that human platelet lysate (PL) can be used for therapeutic cell expansion, either as a substitute for or as a supplement to xenogeneic fetal bovine serum (FBS), its impact on cell sheet production remains largely unexplored. In this study, we manufactured periodontal ligament stem cell (PDLSC) sheets in vitro by incubating PDLSCs in sheet-induction media supplemented with various ratios of PL and FBS, i...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28697250/vaginal-fetal-fibronectin-to-predict-spontaneous-preterm-birth-reply
#12
LETTER
M Sean Esplin, Michal Elovitz, Jay Iams
No abstract text is available yet for this article.
July 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28697247/vaginal-fetal-fibronectin-to-predict-spontaneous-preterm-birth
#13
LETTER
Edward Evantash
No abstract text is available yet for this article.
July 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28655312/transplantation-of-human-fetal-pancreatic-progenitor-cells-ameliorates-renal-injury-in-streptozotocin-induced-diabetic-nephropathy
#14
Yongwei Jiang, Wenjian Zhang, Shiqing Xu, Hua Lin, Weiguo Sui, Honglin Liu, Liang Peng, Qing Fang, Li Chen, Jinning Lou
BACKGROUND: Diabetic nephropathy (DN) is a severe complication of diabetes mellitus (DM). Pancreas or islet transplantation has been reported to prevent the development of DN lesions and ameliorate or reverse existing glomerular lesions in animal models. Shortage of pancreas donor is a severe problem. Islets derived from stem cells may offer a potential solution to this problem. OBJECTIVE: To evaluate the effect of stem cell-derived islet transplantation on DN in a rat model of streptozotocin-induced DM...
June 27, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28651447/the-association-between-fetal-fibronectin-and-spontaneous-preterm-birth-in-twin-pregnancies-with-a-shortened-cervical-length
#15
Kathy C Matthews, Simi Gupta, Jennifer Lam-Rachlin, Daniel H Saltzman, Andrei Rebarber, Nathan S Fox
OBJECTIVE: To estimate the association between a positive fetal fibronectin (fFN) and spontaneous preterm birth (SPTB) in twin pregnancies with a shortened cervical length (CL). STUDY DESIGN: Retrospective cohort study of asymptomatic twin pregnancies managed by a single MFM practice from 2005 to 2016. We included all women with a shortened CL ≤25 mm at 22-28 weeks, and compared outcomes between women with a positive and negative fFN result. RESULTS: One hundred fifty-five patients were included, 129 (83...
July 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28573877/activity-restriction-and-risk-of-preterm-delivery
#16
Heather I Levin, Anthony Sciscione, Cande V Ananth, Daphnie Drassinower, Sarah G Obican, Ronald J Wapner
PURPOSE: We sought to determine whether activity restriction (AR) in a cohort of women at high risk for preterm delivery is associated with the risk of preterm delivery. MATERIALS AND METHODS: This is a secondary analysis of the Maternal-Fetal Medicine Units MFMU's Preterm Prediction Study; a multicenter prospective cohort study designed to identify risk factors of preterm birth (PTB). The study group consisted of women with a singleton gestation that at their first study visit (23-24 weeks) had at least one of the following criteria: patient reported contractions, severe back pain, a cervical length <15 mm, spotting, protruding membranes, or positive fetal fibronectin...
July 6, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28553231/hydroxysafflor-yellow-a-suppresses-mrc-5-cell-activation-induced-by-tgf-%C3%AE-1-by-blocking-tgf-%C3%AE-1-binding-to-t%C3%AE-rii
#17
Ruiyan Pan, Yadan Zhang, Meng Zheng, Baoxia Zang, Ming Jin
Hydroxysafflor yellow A (HSYA) is an active ingredient of Carthamus tinctorius L.. This study aimed to evaluate the effects of HSYA on transforming growth factor-β1 (TGF-β1)-induced changes in proliferation, migration, differentiation, and extracellular matrix accumulation and degradation in human fetal lung fibroblasts (MRC-5), to explore the mechanisms whereby HSYA may alleviate pulmonary fibrosis. MRC-5 cells were incubated with various doses of HSYA and/or the TGF-β receptor type I kinase inhibitor SB431542 and then stimulated with TGF-β1...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28535404/placental-inflammation-and-its-relationship-to-cervicovaginal-fetal-fibronectin-in-preterm-birth
#18
Laura van der Krogt, Alexandra E Ridout, Paul T Seed, Andrew H Shennan
OBJECTIVE: Late miscarriage and preterm birth are frequently thought to be associated with inflammation and infection, although in most cases the underlying cause of early delivery remains unknown. The placenta is the organ that links mother and fetus during pregnancy, and postnatal examination may provide useful information about pathophysiology. The relationship between placental pathological lesions and predictive markers of early delivery has not been explored. We sought to characterize preterm deliveries according to placental pathology and relate these to the performance of reliable predictive markers, fetal fibronectin and cervical length...
July 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28436125/the-quipp-app-a-safe-alternative-to-a-treat-all-strategy-for-threatened-preterm-labor
#19
H A Watson, J Carter, P T Seed, R M Tribe, A H Shennan
OBJECTIVE: To evaluate the impact of triaging women at risk of spontaneous preterm birth (sPTB) using the QUiPP App, which incorporates a predictive model combining history of sPTB, gestational age and quantitative measurements of fetal fibronectin, compared with a treat-all policy (advocated by the UK National Institute for Health and Care Excellence) among women with threatened preterm labor before 30 weeks' gestation. METHODS: Prospectively collected data of pregnant women presenting with symptoms of preterm labor (abdominal pain or tightening) at 24-34 weeks' gestation were retrieved from the research databases of the EQUIPP and PETRA studies for subanalysis...
September 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28370518/cost-effectiveness-of-diagnostic-testing-strategies-including-cervical-length-measurement-and-fibronectin-testing-in-women-with-symptoms-of-preterm-labor
#20
Gert-Jan van Baaren, Jolande Y Vis, Femke F Wilms, Martijn A Oudijk, Anneke Kwee, Martina M Porath, Hubertina Cj Scheepers, Marc Ea Spaanderman, Kitty Wm Bloemenkamp, Monique C Haak, Caroline J Bax, Jérôme Mj Cornette, Johannes J Duvekot, Bas Wa Nij Bijvanck, Jim van Eyck, Maureen Tm Franssen, Krystyna M Sollie, Frank Pha Vandenbussche, Mallory Woiski, Antoinette C Bolte, Joris Am van der Post, Patrick Mm Bossuyt, Brent C Opmeer, Ben Wj Mol
OBJECTIVE: To evaluate the cost-effectiveness of combining cervical length (CL) measurement and fetal fibronectin (fFN) tests for women with symptoms of preterm labor between 24 and 34 weeks gestation. METHODS: We performed a model-based cost-effectiveness analysis to evaluate seven test-treatment strategies based on CL and/or fFN in women with symptoms of preterm labor from a societal perspective, in which we weighted neonatal outcome and costs. Estimates of disease prevalence, test accuracy and costs, were based on two recently performed nationwide cohort studies in The Netherlands...
March 31, 2017: Ultrasound in Obstetrics & Gynecology
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