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https://www.readbyqxmd.com/read/28448953/electrostatic-frequency-maps-for-amide-i-mode-of-%C3%AE-peptide-comparison-of-molecular-mechanics-force-field-and-dft-calculations
#1
Kaicong Cai, Xuan Zheng, Fenfen Du
The spectroscopy of amide-I vibrations has been widely utilized for the understanding of dynamical structure of polypeptides. For the modeling of amide-I spectra, two frequency maps were built for β-peptide analogue (N-ethylpropionamide, NEPA) in a number of solvents within different schemes (molecular mechanics force field based, GM map; DFT calculation based, GD map), respectively. The electrostatic potentials on the amide unit that originated from solvents and peptide backbone were correlated to the amide-I frequency shift from gas phase to solution phase during map parameterization...
April 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28448558/the-herpevac-trial-for-women-sequence-analysis-of-glycoproteins-from-viruses-obtained-from-infected-subjects
#2
Miguel A Minaya, Maria Korom, Hong Wang, Robert B Belshe, Lynda A Morrison
The Herpevac Trial for Women revealed that three dose HSV-2 gD vaccine was 58% protective against culture-positive HSV-1 genital disease, but it was not protective against HSV-2 infection or disease. To determine whether vaccine-induced immune responses had selected for a particular gD sequence in strains infecting vaccine recipients compared with viruses infecting control subjects, genetic sequencing studies were carried out on viruses isolated from subjects infected with HSV-1 or HSV-2. We identified naturally occurring variants among the gD sequences obtained from 83 infected subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28448277/long-term-consequences-of-obesity-on-female-fertility-and-the-health-of-the-offspring
#3
Suchitra Chandrasekaran, Genevieve Neal-Perry
PURPOSE OF REVIEW: Obesity has reached near epidemic levels among reproductive age women with a myriad of consequences. Obesity adversely affects the maternal milieu by creating conditions that decrease fertility and increase the risk of gestational diabetes, hypertensive disease in pregnancy, fetal growth abnormalities and congenital anomalies. The effects of obesity are not limited to pregnancy. Indeed, beyond the immediate postpartum period, obese women maintain a higher prevalence of insulin resistance and cardiovascular disease...
April 26, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28447597/resonant-and-non-resonant-magnetic-scatterings-with-circularly-polarized-x-rays-magnetic-scattering-factor-and-electron-density-of-gadolinium-iron-garnet
#4
Yo Sasaki, Maki Okube, Satoshi Sasaki
Theoretical and experimental studies on resonant magnetic scattering have been carried out using circularly polarized X-rays. Polarization dependence of the asymmetric ratio between right- and left-handed polarized scattering amplitudes has revealed that resonant and non-resonant magnetic scatterings can be observed simultaneously. In this study, synchrotron X-ray intensity experiments were conducted on Gd iron garnet (GdIG) at the pre-edge of the Fe K absorption edge. The asymmetric ratio between circular polarizations exhibited three peaks due to the resonant magnetic responses of Fe(3+) in the Fe2 (24d) site...
May 1, 2017: Acta Crystallographica. Section A, Foundations and Advances
https://www.readbyqxmd.com/read/28447275/risk-factors-for-shoulder-dystocia-the-impact-of-mother-s-race-and-ethnicity
#5
Jennifer Gaudet Hefele, Palmira Santos, Grant Ritter, Neha Varma, Ann Hendrich
Shoulder dystocia is a rare but severe birth trauma where the neonate's shoulders fail to deliver after delivery of the head. Failure to deliver the shoulders quickly can lead to severe, long-term injury to the infant, including nerve injury, skeletal fractures, and potentially death. This observational study examined shoulder dystocia risk factors by race and ethnicity using a sample of 19,236 pregnant women who presented for labor and delivery from July 1, 2010 until June 30, 2013 at five locations. Multivariate analyses were used to identify risk factors associated with shoulder dystocia occurrence in racial/ethnic groups with high incidence rates...
April 26, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28447192/rescue-of-a-wild-type-rabies-virus-from-cloned-cdna-and-assessment-of-the-proliferative-capacity-of-recombinant-viruses
#6
Qin Tian, Yifei Wang, Qiong Zhang, Jun Luo, Mingzhu Mei, Yongwen Luo, Xiaofeng Guo
Reverse genetic systems (RGS) have been widely used for fixed rabies virus (RABV) strains. However, RGS, for wild-type (wt) strains, have been seldom reported despite the value of this approach in defining the biological characteristics of these strains. In this work, we developed a wt RGS using a swine-origin RABV strain (GD-SH-01) for the first time. In order to have a better understanding of the contribution and function of individual gene on viral proliferation for wt RABV isolates, we constructed a full-length cDNA clone of GD-SH-01 and exchanged the single genes encoding RABV protein of a highly attenuated RABV strain HEP-Flury with those of the virulent strain...
April 26, 2017: Virus Genes
https://www.readbyqxmd.com/read/28446846/insulin-sensitivity-and-plasma-glucose-response-to-aerobic-exercise-in-pregnant-women-at-risk-for-gestational-diabetes-mellitus
#7
Heba Embaby, Enas Elsayed, Mohamed Fawzy
BACKGROUND: Gestational diabetes mellitus (GDM) is one of the common complications that occur during pregnancy. Early intervention is essential to prevent the development of the disease in the non-pregnant state but also helpful in preventing the occurrence of GDM. The aim of the study was to assess the effect of aerobic exercises on insulin sensitivity and fasting plasma glucose level in pregnant women with risk for gestational diabetes mellitus. MATERIALS AND METHODS: Forty multigravidae women between 20-24 weeks of gestation with risk for GDM were randomly selected (age range was 25-35 years), body mass index ranged from 30-35 kg/m(2)...
September 2016: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28445618/ficolin-3-adiponectin-ratio-for-the-prediction-of-gestational-diabetes-mellitus-in-pregnant-women
#8
Xiao-Song Yuan, Hui Shi, Hui-Yan Wang, Bin Yu, Jian Jiang
AIMS/INTRODUCTION: To establish that the ficolin-3/adiponectin ratio is a predictor for gestational diabetes mellitus (GDM) and was eligible for screening tests for GDM. MATERIALS AND METHODS: A prospective cohort study of 86 pregnant women who developed GDM and 273 normal glucose tolerance (NGT) participants was performed. Maternal serum ficolin-3, adiponectin levels were investigated at 16-18 weeks gestation using ELISA. RESULTS: Compared to the NGT group, the GDM group showed significantly higher levels of ficolin-3 and the ratio of ficolin-3/adiponectin; and decreased levels of adiponectin between 16 to 18 weeks of gestation (P < 0...
April 26, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28444537/molecular-characterization-of-a-novel-bipartite-begomovirus-isolated-from-lycianthes-biflora-in-china
#9
Y F Tang, Z F He, J K Brown, X M She, G B Lan
A bipartite begomovirus isolate GD was isolated from Lycianthes biflora plants showing yellow mosaic symptoms in Nanxiong, Guangdong Province, China. The apparently full-length DNA-A and DNA-B viral components were cloned after enrichment of circular DNA by rolling circle amplification, restriction digestion, cloning, and DNA sequencing. The DNA-A component (2752nt, KT582302) shares highest (80.2%) nucleotide (nt) sequence identity with tomato leaf curl Sulawesi virus [Indonesia-Sulawesi-Langowan F101-2006] (ToLCSuV- [ID-Sul -LanF09-06], FJ237618), reported in Indonesia as causing yellow leaf curl disease of chilli pepper...
April 25, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28444420/periportal-lymphatic-system-on-post-hepatobiliary-phase-gd-eob-dtpa-enhanced-mr-imaging-in-normal-subjects-and-patients-with-chronic-hepatitis-c
#10
Yasunari Yamada, Shunro Matsumoto, Hiromu Mori, Ryo Takaji, Maki Kiyonaga, Naoki Hijiya, Rika Tanoue, Kenichiro Tomonari, Shuichi Tanoue, Norio Hongo, Masayuki Ohta, Masataka Seike, Masafumi Inomata, Kazunari Murakami, Masatsugu Moriyama
PURPOSE: We sought to evaluate visualization of periportal lymphatics and lymph nodes (lymphatic system) on Gd-EOB-DTPA-enhanced magnetic resonance (MR) images using a fat-suppressed T2-weighted sequence with 3-dimensional (3D) volume isotropic turbo spin echo acquisition (VISTA) at 3.0 T in normal subjects and patients with chronic hepatitis C. METHODS: MR imaging was performed in 254 subjects between June 2013 and May 2016. After applying inclusion and exclusion criteria, the final population was 31 normal subjects and 34 patients with chronic hepatitis C...
April 25, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28442822/effects-of-implementing-international-association-of-diabetes-and-pregnancy-study-groups-gestational-diabetes-screening-on-pregnancy-outcomes-at-a-small-community-teaching-hospital
#11
Jody M Gerome, Lucy K M Bucher, Godwin Dogbey
IN BRIEF Traditional methods of screening for and diagnosing gestational diabetes mellitus (GDM) have been challenged, leading to the development of new screening guidelines by the International Association of Diabetes and Pregnancy Study Groups (IADPSG). This study is a retrospective comparison of pregnancy outcomes based on the Carpenter and Coustan (CC) and IADPSG screening guidelines. It demonstrates that adoption of IADPSG guidelines increased the rate of GDM diagnosis and resulted in more women with diet-controlled GDM...
April 2017: Clinical Diabetes: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/28442034/improving-follow-up-care-for-women-with-a-history-of-gestational-diabetes-perspectives-of-gps-and-patients
#12
Andrew V R Pennington, Sharleen L O'Reilly, Doris Young, James A Dunbar
This paper investigates factors influencing women's engagement with diabetes preventative care after a pregnancy with gestational diabetes (GDM) from the perspectives of GPs and women and explores the role of the GP in that care. Qualitative research using semi-structured interviews with women who had experienced GDM (n=16) and GPs (n=18) were conducted and a thematic content analysis conducted. Women's interviews explored their experience of GDM, factors influencing, and engagement with, follow-up care for diabetes prevention and role of the GP in that care...
April 2017: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/28441837/-characteristics-of-pre-gestational-diabetes-mellitus-diagnosed-during-pregnancy-and-the-effects-on-pregnancy-outcomes
#13
Y M Wei, H X Yang
Objective: To analyze the characteristics of pre-gestational diabetes mellitus (PGDM) diagnosed during pregnancy (missed diagnosis before pregnancy), and to evaluate the effects of diagnostic time on pregnancy outcomes. Methods: A retrospective study of 746 pregnant women who were diagnosed PGDM and delivered in Peking University First Hospital from January 1st, 2005 to December 31st, 2015 was conducted. The patients were divided into 2 group. Those diagnosed PGDM before pregnancy were defined as Group diagnosed before pregnancy, and those diagnosed during pregnancy were defined as Group diagnosed during pregnancy...
April 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28441796/role-of-dietary-crocin-in-in-vivo-melanoma-tumor-remission
#14
Hamid A Bakshi, Faruck Lukmanul Hakkim, Smitha Sam, Farideh Javid
Background: Melanoma is a deadly form of malignancy. Early diagnosis might pave the way to cure but its aggressive nature leads to rapid dissemination and colonization of distant organs. Dietary herbs may play a significant role in prevention of cancer. In this study, we tested anti-tumor efficacy of the Crocus sativus derived active constituent crocin, well established to have anti-cancer properties in different cancer models by our group and other groups and other groups. Notably, crocin is reported to exert anti-proliferative effect on melanoma cells (B16F10) in vitro...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440766/unfavorable-cytokine-and-adhesion-molecule-profiles-during-and-after-pregnancy-in-women-with-gestational-diabetes-mellitus
#15
María Del Mar Roca-Rodríguez, Cristina López-Tinoco, Álvaro Fernández-Deudero, Mora Murri, María Victoria García-Palacios, María Del Amor García-Valero, Francisco José Tinahones, Manuel Aguilar-Diosdado
BACKGROUND: Gestational diabetes mellitus is a significant risk factor for metabolic syndrome and cardiovascular disease. AIMS: To assess the relationships between components of the metabolic syndrome and cytokine and adhesion molecule levels in women with GDM during pregnancy and after delivery. PATIENTS AND METHODS: A prospective case-control study on a sample of 126 pregnant women (63 with and 63 without gestational diabetes mellitus). In an intra-subject analysis, 41 women with history of gestational diabetes mellitus and 21 controls were re-assessed in the postpartum period...
January 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440694/fine-particulate-matter-pm2-5-a-risk-factor-of-rat-gestational-diabetes-with-altered-blood-glucose-and-pancreatic-glut2-expression
#16
Liu Yi, Chen Wei, Wang Fan
Recent studies have shown an association between air pollution and diabetic risk. This study was to investigate the impact of fine particulate matter (PM2.5) on glucose consequences and pancreas glucose transporter 2 (GLUT2) expression and its related mechanisms in a gestational diabetes mellitus (GDM) rat model. GDM rats were exposed to a low PM2.5 dose while the controls received saline. Interleukin-6 (IL-6) and blood routine tests (BRT) were detected for analyzing coagulation and inflammation. Pancreas tissues underwent pathologic examination, the levels of homogenate glutathione peroxidase (GSH-Px), and methane dicarboxylic aldehyde (MDA) were detected for oxidative stress estimation, and the degree of GLUT2 expression of pancreas was analyzed...
April 25, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28440316/modest-and-severe-maternal-iron-deficiency-in-pregnancy-are-associated-with-fetal-anaemia-and-organ-specific-hypoxia-in-rats
#17
Andrew G Woodman, Alison S Care, Yael Mansour, Stephana J Cherak, Sareh Panahi, Ferrante S Gragasin, Stephane L Bourque
Prenatal iron-deficiency (ID) is known to alter fetal developmental trajectories, which predisposes the offspring to chronic disease in later life, although the underlying mechanisms remain unclear. Here, we sought to determine whether varying degrees of maternal anaemia could induce organ-specific patterns of hypoxia in the fetuses. Pregnant female Sprague Dawley rats were fed iron-restricted or iron-replete diets to induce a state of moderate (M-ID) or severe ID (S-ID) alongside respective controls. Ultrasound biomicroscopy was performed on gestational day (GD)20 to assess uterine and umbilical artery blood flow patterns...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440200/effect-of-halofuginone-on-the-pathogenesis-of-autoimmune-thyroid-disease-in-different-mice-models
#18
Xin Hou, Jin Zhou, Rong Yang, Shanshan Liu, Mei Bi, Tong Liu, Chenling Fan, Haixia Guan, Yushu Li, Zhongyan Shan, Weiping Teng
OBJECTIVE: Our objectives were to investigate the therapeutic effect of halofuginone (HF) in the treatment of autoimmune thyroid diseases (AITDs) and explore its underlying mechanism of action. METHODS: The Graves&#039; disease (GD) model was generated by immunizing female BALB/c mice with adenovirus expressing the TSH receptor A subunit (Ad-TSHR289). The Ad-TSHRA+HF and Ad-TSHRA+DMSO groups were injected intraperitoneally with HF or the vehicle control (DMSO), respectively...
April 23, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28437745/comparative-study-of-the-effects-of-gadolinium-chloride-and-gadolinium-based-magnetic-resonance-imaging-contrast-agent-on-freshwater-mussel-dreissena-plymorpha
#19
Houda Hanana, Patrice Turcotte, Chantale André, Christian Gagnon, François Gagné
Gadolinium (Gd), a metal of the lanthanide series used in various industrial and medical purposes is released into the aquatic environment. However, there are few aquatic toxicological studies addressing environmental effects of Gd which remains unknown in aquatic animals. Therefore, this study aimed to compare the effects of GdCl3 and a gadolinium-based MRI contrast agent (Omniscan), in zebra mussels after 28 days through a multibiomarker approach. Data revealed that after GdCl3 exposure, the mRNA level of metallothionein (MT) was modulated, those of cytochrome c oxidase (CO1) and superoxide dismutase (SOD) were increased, while gene expressions of catalase (CAT) and glutathione-S-transferase (GST) were downregulated...
April 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/28437627/tumor-acidity-activatable-tat-targeted-nanomedicine-for-enlarged-fluorescence-magnetic-resonance-imaging-guided-photodynamic-therapy
#20
Meng Gao, Feng Fan, Dongdong Li, Yue Yu, Kuirong Mao, Tianmeng Sun, Haisheng Qian, Wei Tao, Xianzhu Yang
Nanoparticles simultaneously integrated the photosensitizers and diagnostic agents represent an emerging approach for imaging-guided photodynamic therapy (PDT). However, the diagnostic sensitivity and therapeutic efficacy of nanoparticles as well as the heterogeneity of tumors pose tremendous challenges for clinical imaging-guided PDT treatment. Herein, a polymeric nanoparticle with tumor acidity (pHe)-activatable TAT targeting ligand that encapsulates the photosensitizer chlorin e6 (Ce6) and chelates contrast agent Gd(3+) is successfully developed for fluorescence/magnetic resonance (MR) dual-model imaging-guided precision PDT...
April 18, 2017: Biomaterials
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