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https://www.readbyqxmd.com/read/29229876/microrna-486-5p-suppresses-tgf-%C3%AE-2-induced-proliferation-invasion-and-epithelial-mesenchymal-transition-of-lens-epithelial-cells-by-targeting-smad2
#1
Bei Liu, Jianhua Sun, Xiaoqin Lei, Zhongqiao Zhu, Cheng Pei, Li Qin
The pathological development of lens epithelial cells (LECs) leads to posterior capsular opacification (PCO). This study was undertaken to investigate the effects of microRNA-486-5p (miR-486-5p) on TGF-β2-induced proliferation, invasion and epithelial-mesenchymal transition (EMT) in the lens epithelial cell line SRA01/04, and to explore the underlying molecular mechanisms. The expression of miR-486-5p in TGF-β2-induced SRA01/04 cells was down-regulated, and the expression of Smad2, p-Smad2 and p-Smad3 was up-regulated...
December 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/29225654/clinical-approach-to-pulp-canal-obliteration-a-case-series
#2
Kenia Maria Soares de Toubes, Patrícia Alves Drummond de Oliveira, Stephanie Nicácio Machado, Vânia Pelosi, Eduardo Nunes, Frank Ferreira Silveira
This article describes four cases with safe and feasible clinical treatment strategies for anterior teeth with pulp canal obliteration (PCO) using cone-beam computed tomography (CBCT), digital radiography (DR), dental operating microscopy (DOM) and ultrasonic tips (US). Four anterior teeth with PCO were chosen. DR was taken with different angulations and analyzed with different filters. Subsequently, the access cavity was performed with the aid of DOM. If the canal was not identified, CBCT was requested. Sagittal and axial slices guided the direction of the ultrasonic tips...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29214783/effective-tidal-volume-for-normocapnia-in-very-low-birth-weight-infants-using-high-frequency-oscillatory-ventilation
#3
Seul Mi Lee, Ran Namgung, Ho Sun Eun, Soon Min Lee, Min Soo Park, Kook In Park
PURPOSE: Removal of CO₂ is much efficient during high-frequency oscillatory ventilation (HFOV) for preterm infants. However, an optimal carbon dioxide diffusion coefficient (DCO₂) and tidal volume (VT) have not yet been established due to much individual variance. This study aimed to analyze DCO₂ values, VT, and minute volume in very-low-birth-weight (VLBW) infants using HFOV and correlates with plasma CO₂ (pCO₂). MATERIALS AND METHODS: Daily respiratory mechanics and ventilator settings from twenty VLBW infants and their two hundred seventeen results of blood gas analysis were collected...
January 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29211888/combined-oral-contraception-and-bicalutamide-in-polycystic-ovary-syndrome-and-severe-hirsutism-a-double-blind-rtc
#4
Costanzo Moretti, Laura Guccione, Paola Di Giacinto, Ilaria Simonelli, Caterina Exacoustos, Vincenzo Toscano, Cecilia Motta, Vincenzo De Leo, Felice Petraglia, Andrea Lenzi
Background: Hirsutism is frequently expressed in women affected by polycystic ovary syndrome (PCOS). The efficacy of oral contraceptive pill (OC) plus anti-androgens in the treatment of its severe expression is controversial due to the lack of randomized double-blind long-term studies. Aim: The primary outcome was the reduction of hirsutism in PCOS women objectively measured by videodermoscopy (VD) on the androgen-sensitive skin areas assessed by the modified Ferriman&Gallwey (mF&G) total score, after 12 months of therapy with OC+Bicalutamide (BC) versus OC plus placebo (P)...
December 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29208831/long-term-results-of-trypan-blue-dye-irrigation-in-the-capsular-bag-to-prevent-posterior-capsule-opacification-a-randomized-trial
#5
Rajesh Subhash Joshi, Murtaza Saifuddin Hussain
PURPOSE: To study the effect of capsular bag irrigation of trypan blue dye (0.06%) on posterior capsular opacification (PCO) in eyes undergoing phacoemulsification. METHODS: This was a randomized, trial conducted at a tertiary eye care center in central India. The study included 50 patients (100 eyes) with senile cataracts who were scheduled for phacoemulsification and intraocular lens (IOL) implantation and were willing to undergo bilateral cataract surgery. One eye of each patient was randomized to one of two groups...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29195851/effect-of-the-referencing-system-on-the-posterior-condylar-offset-and-anterior-flange-bone-contact-in-posterior-cruciate-substituting-total-knee-arthroplasty
#6
O-Sung Lee, Yong Seuk Lee
BACKGROUND: The effect of referencing system on posterior condylar offset (PCO) after total knee arthroplasty (TKA) is still controversial. Moreover, there is a lack of concern about the anterior flange-bone contact according to the referencing system. METHODS: One hundred four TKAs using the anterior referencing (AR) system and 107 TKAs using the posterior referencing (PR) system were analyzed with 2-year follow-up. The PCO, PCO ratio (PCOR), and contact at the anterior flange-bone interface were compared between the 2 groups...
November 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29181315/bimanual-microincision-cataract-surgery-with-implantation-of-the-new-incise%C3%A2-mj14-intraocular-lens-through-a-1-4-mm-incision
#7
Gian Maria Cavallini, Tommaso Verdina, Michele De Maria, Elisa Fornasari, Giulio Torlai, Veronica Volante, Simone Donati, Carlo Cagini
AIM: To analyze the visual outcomes and the posterior capsule opacification (PCO) with the new Incise® MJ14 intraocular lens (IOL) implanted through a 1.4 mm clear corneal incision (CCI) in patients who underwent bimanual microincision cataract surgery (B-MICS). METHODS: Eighty eyes which underwent cataract surgery using B-MICS technique performed by the same experienced surgeon were included in the study: 40 eyes were implanted with an Incise® MJ14 IOL through a 1...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29160372/an-experimental-study-of-ascorbic-acid-effects-in-acute-renal-failure-under-general-anesthesia
#8
Omur Ozturk, Sefer Ustebay, Huseyin Avni Eroglu, Murat Günay, Yasemen Adali, İlksen Donmez, Mesut Erbas
PURPOSE: To evaluate the preventive effect of ascorbic acid on sevoflurane-induced acute renal failure in an experimental rat model. METHODS: Twenty-four adult male Wistar rats were randomly distributed into three groups. Subjects were allocated into 3 groups: Group I received sevoflurane only, whereas Groups II and III had moderate (150 mg/kg) and high (300 mg/kg) doses of AA in addition to sevoflurane, respectively. Rhabdomyolysis and myohemoglobinuric ARF was formed by intramuscular administration of glycerol on the upper hind limb on the 15th minute of inhalation anesthesia...
October 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29152826/synthesis-and-reactivity-of-nickel-stabilised-%C3%A2%C2%B52-%C3%AE-2-%C3%AE-2-p2-as2-and-pas-units
#9
Gabriele Hierlmeier, Alexander Hinz, Robert Wolf, Jose Manuel Goicoechea
The reactivity of two paramagnetic nickel(I) compounds, CpNi(NHC) (where Cp = cyclopentadienyl; NHC = 1,3-bis(2,4,6-trimethylphenyl)-imidazol-2-ylidene (IMes) or 1,3-bis(2,6-diisopropylphenyl)-imidazol-2-ylidene (IPr)), towards [Na(dioxane)x][PnCO] (Pn = P, As) is described. These reactions afford symmetric bimetallic compounds (µ2:η2,η2-Pn2){Ni(NHC)(CO)}2. Several novel intermediates en route to such species are identified and characterised, including a compound containing the PCO- anion in an unprecedented µ2:η2,η2-binding mode...
November 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29141386/-clinical-characteristics-and-surgical-effect-observation-of-congenital-aniridia-combined-with-cataract
#10
X H Wu, Q Z Cao, Y X Hu, J N Lin, H T Lin, W R Chen, Y Z Liu
Objective: To analyze the clinical manifestations, surgical approaches and postoperative prognosis for the cases of congenital aniridia combined with cataract. Methods: In this retrospective case series, 26 patients diagnosed with congenital aniridia combined with cataract were collected from Zhongshan Ophthalmic Center from February 2002 to August 2016. The Clinical data were collected to analyze the clinical features, surgical approaches and postoperative prognosis. T-test was used for statistical analysis...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29127547/the-effects-of-magnesium-and-zinc-co-supplementation-on-biomarkers-of-inflammation-and-oxidative-stress-and-gene-expression-related-to-inflammation-in-polycystic-ovary-syndrome-a-randomized-controlled-clinical-trial
#11
Faraneh Afshar Ebrahimi, Fatemeh Foroozanfard, Esmat Aghadavod, Fereshteh Bahmani, Zatollah Asemi
Magnesium and zinc are known to exert multiple beneficial effects including anti-inflammatory and antioxidant actions. To our knowledge, data on the effects of magnesium and zinc co-supplementation on biomarkers of inflammation and oxidative stress and gene expression related to inflammation in subjects of polycystic ovary syndrome (PCOS) are scarce. This study was conducted to evaluate the effects of magnesium and zinc co-supplementation on biomarkers of inflammation and oxidative stress and gene expression related to inflammation in subjects with PCOS...
November 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29124364/sagittal-magnetic-resonance-imaging-scan-orientation-significantly-influences-accuracy-of-femoral-posterior-condylar-offset-measurement
#12
Peter Balcarek, Ali Seif Amir Hosseini, Ulrike Streit, Tobias Franz Brodkorb, Tim Alexander Walde
BACKGROUND: In total knee arthroplasty the femoral posterior condylar offset (PCO) may serve as a potential branch for correct femoral component positioning. The technique of adjusting the sagittal magnetic resonance imaging (MRI)-scan on which it is measured has not been investigated in previous literature, but may be subject to variances due to knee joint positioning or axial localizer scan angulation. The purpose of this study was to investigate the effect of simulated femur rotation on the accuracy of PCO measurement...
November 10, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29120717/cataract-surgery-after-proton-beam-irradiation-for-uveal-tumors
#13
Zeba A Syed, Roberto Pineda
PURPOSE: To study the risks associated with cataract surgery in patients with previous proton-beam irradiation (PBI), focusing on preoperative risk factors, intraoperative findings, and postoperative complications. SETTING: Massachusetts Eye & Ear Infirmary, Boston, Massachusetts, USA. DESIGN: Retrospective case series. METHODS: Electronic medical records of patients who had PBI and cataract surgery between January 1, 2006, and October 1, 2016, were reviewed...
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29105530/the-relationship-between-il-18-and-atherosclerotic-cardiovascular-risk-in-egyptian-lean-women-with-polycystic-ovary-syndrome
#14
Alaaeldin Dawood, Nabil Alkafrawy, Said Saleh, Rasha Noreldin, Shimaa Zewain
BACKGROUND: Polycystic ovarian syndrome (PCOS) is the most common endocrine disorder among women of reproductive age. The evidence in support of low-grade inflammation in PCOS as an etiology is emerging. Inflammation is likely to be associated with other prominent aspects of PCOS including insulin resistance (IR) and cardiovascular disease (CVD) risk. Interleukin-18 (IL-18) is considered as a strong marker of inflammation. OBJECTIVES: Evaluation of the relation between serum IL-18 and atherosclerotic CVD (ASCVD) risk in Egyptian lean females with PCO...
November 5, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29095259/comparison-of-hydrophobic-and-hydrophilic-intraocular-lens-in-preventing-posterior-capsule-opacification-after-cataract-surgery-an-updated-meta-analysis
#15
Yang Zhao, Ke Yang, Jiaxin Li, Yang Huang, Siquan Zhu
BACKGROUND: Posterior capsular opacification (PCO) is a common long-term complication of cataract surgery. Intraocular lens design and material have been implicated in influencing the development of PCO. This study evaluated the association of hydrophobic and hydrophilic intraocular lenses on preventing PCO. METHODS: Medline, Cochrane, EMBASE, and Google Scholar databases were searched until August 3, 2016, using the following search terms: cataract, posterior capsule opacification, and intraocular lens...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29091066/characterization-of-a-scmos-based-high-resolution-imaging-system
#16
Alberto Mittone, Ilja Manakov, Ludovic Broche, Christophe Jarnias, Paola Coan, Alberto Bravin
The detection system is a key part of any imaging station. Here the performance of the novel sCMOS-based detection system installed at the ID17 biomedical beamline of the European Synchrotron Radiation Facility and dedicated to high-resolution computed-tomography imaging is analysed. The system consists of an X-ray-visible-light converter, a visible-light optics and a PCO.Edge5.5 sCMOS detector. Measurements of the optical characteristics, the linearity of the system, the detection lag, the modulation transfer function, the normalized power spectrum, the detective quantum efficiency and the photon transfer curve are presented and discussed...
November 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/29055809/neonatal-exposure-to-estradiol-valerate-reprograms-the-rat-ovary-androgen-receptor-and-anti-m%C3%A3-llerian-hormone-to-a-polycystic-ovary-phenotype
#17
J Martinez-Pinto, B Piquer, M Tiszavari, H E Lara
To understand the impact of exposure to steroids in the early step of ovary development (a stage occurring in uterus in humans), we studied neonatal exposure to estradiol valerate (EV) in rats regarding polycystic ovary (PCO) development as well as expression of androgen receptor (Ar) and anti-Müllerian hormone (AMH), a marker of ovarian follicular development. Rats exposed to one dose of EV (10mg/kg, sc) during their first 12h of life were euthanized at 2, 30 and 60days of age. Gene array and real-time PCR studies showed Ar and AMH up regulation in the ovary at 2days of age and persisted at 60days of age, when a PCO phenotype was evident with increased levels of Ar and AMH proteins...
October 18, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/29050155/-correlation-factors-of-127-times-pre-crisis-state-in-patients-with-myasthenia-gravis
#18
C Y Ou, H Ran, L Qiu, Z D Huang, Z Z Lin, J Deng, W B Liu
Objective: To investigate the clinical features of the Pre-Crisis State and analyze the correlated risk factors of Pre-Crisis State of myasthenia crisis. Methods: We included 93 patients with myasthenia gravis (MG) who experienced 127 times Pre-Crisis State between October 2007 and July 2016. Those patients were hospitalized in the MG specialize center, Department of Neurological Science, first Affiliated Hospital of Sun Yat-sen University. The information of the general situation, the clinical manifestations and the blood gas analysis in those patients were collected using our innovated clinical research form...
October 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29027655/determinants-of-immediate-failure-of-noninvasive-mechanical-ventilation-outside-the-intensive-care-unit
#19
Killen H Briones Claudett, Monica H Briones Claudett, Antonio M Esquinas, Michelle Grunauer Andrade
BACKGROUND: This study aimed to characterize which are the early determinants of immediate failure of the use of noninvasive mechanical ventilation (NIMV) outside the ICU. METHODS: This prospective study included patients who were admitted to the Military Hospital in Guayaquil, Ecuador. Each variable was analyzed independently by using a multiple logistic regression model toward establishing an association with the event. A P-value of < 0.05 was considered statistically significant...
October 13, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28991613/safety-of-femtosecond-laser-assisted-primary-posterior-capsulotomy-immediately-after-cataract-surgery
#20
Merita Schojai, Tim Schultz, Yesim Haeussler-Sinangin, Joerg Boecker, H Burkhard Dick
PURPOSE: To evaluate the safety and feasibility of a new femtosecond laser-assisted method for posterior capsule opacification (PCO) prevention. SETTING: University Eye Hospital Bochum, Bochum, Germany. DESIGN: Prospective randomized intraindividual case series. METHODS: Eyes scheduled for bilateral cataract surgery between April 2015 and January 2016 were enrolled in the study. In 1 eye, routine manual cataract surgery with intraocular lens (IOL) implantation was performed with a primary posterior laser capsulotomy as the last step in the procedure...
September 2017: Journal of Cataract and Refractive Surgery
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