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https://www.readbyqxmd.com/read/29793097/quantitative-assessment-of-placental-perfusion-by-three-dimensional-power-doppler-ultrasound-for-twins-with-selective-intrauterine-growth-restriction-in-one-twin
#1
Wei Sun, Jingyi Liu, Ying Zhang, Ailu Cai, Zeyu Yang, Yili Zhao, Yu Wang, Zhe Cao, Qiuju Wei
OBJECTIVE: We quantitatively assessed placental perfusion using three-dimensional (3D) power Doppler ultrasound for twins with selective intrauterine growth restriction (sIUGR) in one twin. STUDY DESIGN: A prospective cross-sectional study was performed for 104 normal monochorionic diamniotic twins and 30 twins with sIUGR. Twins with sIUGR were divided into two groups: in group I (19 twins), both fetuses had continuous forward end-diastolic blood flow in the umbilical artery; in group II (11 twins), the smaller fetus had a loss or a reverse end-diastolic blood flow in the umbilical artery, but the larger fetus had continuous forward end-diastolic blood flow...
May 17, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29793053/aggressive-fluid-and-sodium-restriction-in-decompensated-heart-failure-with-preserved-ejection-fraction-results-from-a-randomized-clinical-trial
#2
Karina Sanches Machado d'Almeida, Eneida Rejane Rabelo-Silva, Gabriela Corrêa Souza, Melina Maria Trojahn, Sofia Louise Santin Barilli, Graziella Aliti, Luís Eduardo Rohde, Andreia Biolo, Luís Beck-da-Silva
OBJECTIVES: Sodium and fluid restriction is commonly prescribed for heart failure patients. However, its role in the treatment of heart failure with preserved ejection fraction (HFpEF) remains unclear. The aim of this study was to compare the effect of a diet with sodium and fluid restriction with an unrestricted diet in patients admitted for decompensated HFpEF. METHODS: Patients were randomized to a diet with sodium (0.8 g/d) and fluid (800 mL/d) restriction (intervention group [IG]) or an unrestricted diet (control group [CG]) and followed for 7 d or hospital discharge...
March 21, 2018: Nutrition
https://www.readbyqxmd.com/read/29793019/factors-predicting-non-compliance-with-follow-up-after-endovascular-aneurysm-repair
#3
Timothy P Shiraev, Elif Durur, David A Robinson
PURPOSE: Although the potential for complications following endovascular aneurysm repair (EVAR) mandates lifetime follow-up, non-compliance with follow-up has been shown to be as high as 57%. We sought to investigate the incidence of non-compliance with follow up in our patient population and to identify risk factors associated with this, in order to allow implementation of targeted strategies to prevent loss to follow up. METHODOLOGY: We carried out a review of consecutive patients undergoing EVAR at two Sydney hospitals between 1995 and 2015...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29793000/effect-of-a-bisphosphonate-and-selective-estrogen-receptor-modulator-on-bone-remodeling-in-streptozotocin-induced-diabetes-and-ovariectomized-rat-model
#4
Young-Seok Lee, Rishab Gupta, Jeong-Taik Kwon, Dae-Chul Cho, Ye Jin Seo, Sung Young Seu, Eui Kyun Park, Inbo Han, Chi-Heon Kim, Joo-Kyung Sung, Kyoung-Tae Kim
BACKGROUND CONTEXT: Diabetes and menopause can cause severe osteoporosis. In general, menopause and diabetes can lead to an imbalance in bone turnover, which results in secondary osteoporosis. However, the efficacy of antiresorptive drugs against this form of osteoporosis has not been extensively evaluated. OBJECTIVE: The aim of this study was to determine the changes in vertebral bone remodeling when postmenopausal osteoporosis is accompanied by diabetes and the efficacy of bisphosphonates and selective estrogen-receptor modulators (SERMs) against these outcomes...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29792935/lp533401-restores-bone-health-in-5-6-nephrectomized-rats-by-a-decrease-of-gut-derived-serotonin-and-regulation-of-serum-phosphate-through-the-inhibition-of-phosphate-co-transporters-expression-in-the-kidneys
#5
Dariusz Pawlak, Beata Znorko, Bartlomiej Kalaska, Tomasz Domaniewski, Radosław Zawadzki, Paweł Lipowicz, Michał Doroszko, Urszula Łebkowska, Piotr Grabowski, Krystyna Pawlak
LP533401 is an orally bioavailable small molecule that inhibits tryptophan hydroxylase-1, an enzyme responsible for the synthesis of gut-derived serotonin (GDS). Recently, we showed that increased GDS in rats with chronic kidney disease (CKD) affected bone strength and metabolism. We tested the hypothesis that treatment with LP533401 could reverse CKD-induced bone loss in uremia. Sixteen weeks after 5/6 nephrectomy, rats were randomized into untreated (CKD), treated with vehicle (VEH) and LP533401 at a dose of 30 or 100 mg/kg daily for 8 weeks...
May 21, 2018: Bone
https://www.readbyqxmd.com/read/29792912/heat-shock-protein-b1-is-required-for-the-prolactin-induced-cytoprotective-effects-on-pancreatic-islets
#6
Rosangela Am Wailemann, Letícia F Terra, Talita C de Oliveira, Ancély F Dos Santos, Vinícius M Gomes, Leticia Labriola
The success of islet transplantation has improved lately. Unfortunately, it is still compromised by cell loss. We have shown that prolactin (PRL) inhibits beta-cell apoptosis and up-regulates the antiapoptotic Heat Shock Protein B1 (HSPB1) in human islets. Since its function in pancreatic islets has not been studied, we explored the role of HSPB1 in PRL-induced beta-cell survival. The significant PRL-induced cytoprotection in control cells was abrogated in HSPB1 silenced cells, overexpression of HSPB1 recovered survival...
May 21, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29792907/electrocortical-reactivity-to-negative-and-positive-facial-expressions-in-individuals-with-a-family-history-of-major-depression
#7
Anna J Watters, Anthony W F Harris, Leanne M Williams
Facial expressions signaling threat and mood-congruent loss have been used to probe abnormal neural reactivity in major depressive disorder (MDD) and may be implicated in genetic vulnerability to MDD. This study investigated electro-cortical reactivity to facial expressions 101 unaffected, adult first degree relatives of probands with MDD and non-relative controls (n = 101). We investigated event-related potentials (ERPs) to five facial expressions of basic emotion: fear, anger, disgust, sadness and happiness under both subliminal (masked) and conscious (unmasked) presentation conditions, and the source localization of group differences...
May 21, 2018: Biological Psychology
https://www.readbyqxmd.com/read/29792802/the-anti-biofouling-properties-of-superhydrophobic-surfaces-are-short-lived
#8
Gi Byoung Hwang, Kristopher Page, Adnan Patir, Sean P Nair, Elaine Allan, Ivan P Parkin
Superhydrophobic surfaces are present in nature on the leaves of many plant species. Water rolls on these surfaces and the rolling motion picks up particles including bacteria and viruses. Man-made superhydrophobic surfaces have been made in an effort to reduce biofouling. We show here that the anti-biofouling property of a superhydrophobic surface is due to an entrapped air-bubble layer that reduces contact between the bacteria and the surface. Further, we show that prolonged immersion of superhydrophobic surfaces in water led to loss of the bubble-layer and subsequent bacterial adhesion that unexpectedly, exceeded that of the control materials...
May 24, 2018: ACS Nano
https://www.readbyqxmd.com/read/29792544/synergistic-phytochemicals-fail-to-protect-against-ovariectomy-induced-bone-loss-in-rats
#9
Suresh Ambati, Colette N Miller, Erica F Bass, Natalie M Hohos, Diane L Hartzell, Emily W Kelso, Emily R Trunnell, Jeong-Yeh Yang, Mary Anne Della-Fera, Clifton A Baile, Srujana Rayalam
Menopause induces a loss of bone as a result of estrogen deficiency. Despite pharmaceutical options for the treatment of osteopenia and osteoporosis, many aging women use dietary supplements with estrogenic activity to prevent bone loss and other menopausal-related symptoms. Such supplements are yet to be tested for efficacy against a Food and Drug Administration (FDA) approved medication for menopausal bone loss such as zoledronic acid (ZA). The postmenopausal rat model was used to investigate the efficacy of various synergistic phytochemical blends mixed into the diet for 16 weeks...
May 24, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29792287/safety-tolerability-pharmacokinetics-and-pharmacodynamics-of-glpg1690-a-novel-autotaxin-inhibitor-to-treat-idiopathic-pulmonary-fibrosis-flora-a-phase-2a-randomised-placebo-controlled-trial
#10
Toby M Maher, Ellen M van der Aar, Olivier Van de Steen, Lisa Allamassey, Julie Desrivot, Sonia Dupont, Liesbeth Fagard, Paul Ford, Ann Fieuw, Wim Wuyts
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) causes irreversible loss of lung function. People with IPF have increased concentrations of autotaxin in lung tissue and lysophosphatidic acid (LPA) in bronchoalveolar lavage fluid and exhaled condensate. GLPG1690 (Galapagos, Mechelen, Belgium) is a novel, potent, selective autotaxin inhibitor with good oral exposure. We explored the effects of GLPG1690 in patients with IPF. METHODS: This was a randomised, double-blind, placebo-controlled phase 2a study done in 17 centres in Italy, Ukraine and the UK...
May 18, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29792184/knowledge-of-orthodontic-tooth-movement-through-the-maxillary-sinus-a-systematic-review
#11
Wentian Sun, Kai Xia, Xinqi Huang, Xiao Cen, Qing Liu, Jun Liu
BACKGROUND: To investigate the feasibility, safety and stability of current interventions for moving teeth through the maxillary sinus (MTTMS) by performing a systematic review of the literature. METHODS: The electronic databases PubMed, Embase, CENTRAL, Web of Science, CBM, CNKI and SIGLE were searched without a language restriction. The primary outcomes were parameters related to orthodontic treatment, including orthodontic protocols, magnitude of forces, type of tooth movement, duration and rate of tooth movement, and remolding of alveolar bone and the maxillary sinus floor...
May 23, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29792067/application-of-machine-learning-to-predict-dietary-lapses-during-weight-loss
#12
Stephanie P Goldstein, Fengqing Zhang, John G Thomas, Meghan L Butryn, James D Herbert, Evan M Forman
BACKGROUND: Individuals who adhere to dietary guidelines provided during weight loss interventions tend to be more successful with weight control. Any deviation from dietary guidelines can be referred to as a "lapse." There is a growing body of research showing that lapses are predictable using a variety of physiological, environmental, and psychological indicators. With recent technological advancements, it may be possible to assess these triggers and predict dietary lapses in real time...
May 1, 2018: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29791855/myocardial-angiopoietin-1-controls-atrial-chamber-morphogenesis-by-spatiotemporal-degradation-of-cardiac-jelly
#13
Kyun Hoo Kim, Yoshikazu Nakaoka, Hellmut G Augustin, Gou Young Koh
The four-chamber structure of the mammalian heart is established during embryonic development. While key regulators for ventricular development are well studied, regulatory mechanisms for atrial chamber morphogenesis remain poorly understood. Here, we found that angiopoietin-1 (Angpt1), a vascular maturation factor, is highly and specifically expressed in atrial myocardium during heart development. Loss of myocardial Angpt1 in mouse embryo led to severe impairment in atrial chamber morphogenesis. We revealed that Angpt1 deficiency results in excessive deposition of cardiac jelly, which disturbs regulation of myocardial growth, thereby impairing maturation of atrial chambers...
May 22, 2018: Cell Reports
https://www.readbyqxmd.com/read/29791760/neopterin-7-8-dihydroneopterin-is-elevated-in-duchenne-muscular-dystrophy-patients-and-protects-mdx-skeletal-muscle-function
#14
Angus Lindsay, Alexandra Schmiechen, Christopher M Chamberlain, James M Ervasti, Dawn A Lowe
Macrophage infiltration is a hallmark of dystrophin-deficient muscle. We tested the hypothesis that Duchenne muscular dystrophy (DMD) patients would have elevated levels of the macrophage synthesized pterins, neopterin and 7,8-dihydroneopterin compared to unaffected age-matched controls. Urinary neopterin/creatinine and 7,8-dihydroneopterin/creatinine were elevated in DMD patients and 7,8-dihydroneopterin/creatinine was associated with patient age and ambulation. 7,8-dihydroneopterin correction with specific gravity was also elevated in DMD patients...
May 23, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29791594/low-protein-diet-does-not-alter-reproductive-biochemical-and-hematological-parameters-in-pregnant-wistar-rats
#15
M A V Barros, E B Andrade, R G N Barros, I K M Costa, I C L Costa, G F A Vitorino, J J C Andrade, K M Paulino-Silva, V O Nogueira, J L de Brito Alves, J H Costa-Silva
The aim of this study was to investigate the reproductive, biochemical, and hematological outcomes of pregnant rats exposed to protein restriction. Wistar rat dams were fed a control normal-protein (NP, 17% protein, n=8) or a low-protein (LP, 8% protein, n=14) diet from the 1st to the 20th day of pregnancy. On the 20th day, the clinical signs of toxicity were evaluated. The pregnant rats were then anesthetized and blood samples were collected for biochemical-hematological analyses, and laparotomy was performed to evaluate reproductive parameters...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29791555/who-are-the-patients-with-tuberculosis-who-are-diagnosed-in-emergency-facilities-an-analysis-of-treatment-outcomes-in-the-state-of-s%C3%A3-o-paulo-brazil
#16
Otavio Tavares Ranzani, Laura Cunha Rodrigues, Eliseu Alves Waldman, Elena Prina, Carlos Roberto Ribeiro Carvalho
OBJECTIVE: Early tuberculosis diagnosis and treatment are determinants of better outcomes and effective disease control. Although tuberculosis should ideally be managed in a primary care setting, a proportion of patients are diagnosed in emergency facilities (EFs). We sought to describe patient characteristics by place of tuberculosis diagnosis and determine whether the place of diagnosis is associated with treatment outcomes. A secondary objective was to determine whether municipal indicators are associated with the probability of tuberculosis diagnosis in EFs...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791245/pi-3-5-p-2-controls-vacuole-potassium-transport-to-support-cellular-osmoregulation
#17
Zachary N Wilson, Amber L Scott, Robin D Dowell, Greg Odorizzi
Lysosomes are dynamic organelles with critical roles in cellular physiology. The lysosomal signaling lipid phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2 ) is a key regulator that has been implicated to control lysosome ion homeostasis, but the scope of ion transporters targeted by PI(3,5)P2 and the purpose of this regulation is not well understood. Through an unbiased screen in Saccharomyces cerevisiae, we identified loss-of-function mutations in the vacuolar H+ -ATPase (V-ATPase) and in Vnx1, a vacuolar monovalent cation/proton antiporter, as suppressor mutations that relieve the growth defects and osmotic swelling of vacuoles (lysosomes) in yeast lacking PI(3,5)P2 ...
May 23, 2018: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29791205/physiologic-hyperinsulinemia-caused-by-acute-hyperglycemia-minimizes-renal-sodium-loss-by-direct-action-on-the-kidney
#18
Debra L Irsik, Michael W Brands
This study used acute, renal-artery insulin infusion in conscious rats to test the hypothesis that hyperinsulinemia attenuates glucose-induced natriuresis by a direct renal mechanism. We reported previously that hyperinsulinemia was required to prevent ad libitum eating or an acute glucose bolus from causing excessive renal sodium loss. Rats were instrumented with renal artery, aortic, and femoral vein catheters and DSI blood pressure telemeters and were housed in metabolic cages. Insulin was clamped chronically at normal levels in two groups (irV and irI) by administering streptozotocin and then infusing insulin iv...
May 23, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29790945/the-effects-of-protein-supplementation-of-fall-calving-beef-cows-on-pre-and-postpartum-plasma-insulin-glucose-and-igf-i-and-postnatal-growth-and-plasma-insulin-and-igf-i-of-calves
#19
Kyle J McLean, Brit H Boehmer, Leon J Spicer, Robert P Wettemann
Fall calving (September to October) cows (n = 189 calvings in 5 replications; body weight [BW] = 626 ± 6 kg, body condition score [BCS] = 4.76 ± 0.06) grazing native dormant range were used to determine the effects of protein supplementation on performance and endocrine function of cows and calves. Cows were individually fed either a control (CON; 1.82 kg/d of 38% crude protein [CP]) or restricted (RES; 0.2 kg/d of 8% CP) protein supplement from mid-November to mid-March for 6 consecutive years. During each year, cows were reassigned dietary treatments according to calving date and BCS, and half of the CON and half of the RES cows remained on the same diets as the previous year and the other halves were assigned to the other diet...
May 22, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29790868/altered-prefrontal-correlates-of-monetary-anticipation-and-outcome-in-chronic-pain
#20
Katherine T Martucci, Nicholas Borg, Kelly H MacNiven, Brian Knutson, Sean C Mackey
Chronic pain may alter both affect- and value-related behaviors, which represents a potentially treatable aspect of chronic pain experience. Current understanding of how chronic pain influences the function of brain reward systems, however, is limited. Using a monetary incentive delay task and functional magnetic resonance imaging (fMRI), we measured neural correlates of reward anticipation and outcomes in female participants with the chronic pain condition of fibromyalgia (N = 17) and age-matched, pain-free, female controls (N = 15)...
April 4, 2018: Pain
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