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https://www.readbyqxmd.com/read/29786870/the-association-between-local-atherosclerosis-of-the-prostatic-artery-and-benign-prostatic-enlargement-in-humans-putative-mechanism-of-chronic-ischemia-for-prostatic-enlargement
#1
Nobuhiro Haga, Hidenori Akaihata, Junya Hata, Ken Aikawa, Tomohiko Yanagida, Kanako Matsuoka, Tomoyuki Koguchi, Seiji Hoshi, Soichiro Ogawa, Masao Kataoka, Yuichi Sato, Kei Ishibashi, Osamu Suzuki, Yuko Hashimoto, Yoshiyuki Kojima
BACKGROUND: To investigate the possible pathogenesis of the benign prostatic enlargement (BPE) induced by local atherosclerosis, the association between local atherosclerosis and prostatic enlargement was investigated, and molecular biological analyses were performed using human prostatectomy specimens. METHODS: A total of 69 consecutive patients who underwent robot-assisted radical prostatectomy (RARP) participated in this prospective study. To evaluate actual local atherosclerosis, prostatic arteries were removed during RARP...
May 21, 2018: Prostate
https://www.readbyqxmd.com/read/29786766/bacterial-dna-detected-on-pathologically-changed-heart-valves-using-16s-rrna-gene-amplification
#2
Miroslava Chalupova, Anna Skalova, Tomas Hajek, Lenka Geigerova, Dana Kralova, Pavel Liska, Hana Hecova, Jiri Molacek, Jaroslav Hrabak
Nowadays, dental diseases are one of the most common illnesses in the world. Some of them can lead to translocation of oral bacteria to the bloodstream causing intermittent bacteraemia. Therefore, a potential association between oral infection and cardiovascular diseases has been discussed in recent years as a result of adhesion of oral microbes to the heart valves. The aim of this study was to detect oral bacteria on pathologically changed heart valves not caused by infective endocarditis. In the study, patients with pathologically changed heart valves were involved...
May 22, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29785852/syntheses-of-gibberellins-a-15-and-a-24-the-key-metabolites-in-gibberellin-biosynthesis
#3
David J-Y D Bon, Lewis Norman Mander, Ping Lan
Gibberellins (GAs) are essential phytohormones involved in numerous aspects of plant growth and development. Notably, the biochemistry and genetics of GA biosynthesis which is associated with their endogenous regulation has been largely resolved, however, a crucial unsolved question remains: the precise mechanism of the stepwise oxidation and subsequent removal of C-20 from C20-precursors leading to bioactive C19 gibberellins is still unresolved. In order to satisfy numerous requests from biologists, practical preparations of certain GAs that were isolated in miniscule quantities are highly demanded...
May 22, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29785752/skin-lesions-over-the-pocket-area-that-may-mimic-cardiac-implantable-electronic-device-infection-a-case-series
#4
Panagiotis Korantzopoulos, Sofia Plakoutsi, Elizabeth Florou, Aris Bechlioulis
BACKGROUND: The early and correct diagnosis of cardiac implantable electronic device (CIED) infections is critical given that early aggressive treatment with complete removal of the system along with antimicrobial therapy dramatically improves outcomes. Pocket infection manifested by local signs of inflammation is the most common form of CIED infections. Conditions mimicking pocket infection have been described in the literature. These include various types of malignancy and rarely allergic reactions/contact dermatitis to pacemaker compounds...
May 21, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29785713/outcomes-of-oesophageal-self-dilation-for-patients-with-refractory-benign-oesophageal-strictures
#5
Y Qin, D B Sunjaya, S Myburgh, T Sawas, D A Katzka, J A Alexander, M Halland
BACKGROUND: Current management of refractory benign oesophageal strictures with endoscopic dilations and stenting leads to resolution of dysphagia in only 30% of patients. Oesophageal self-dilation may be an alternative. AIM: To evaluate the efficacy and safety of oesophageal self-dilation at a tertiary referral centre. METHODS: We conducted a retrospective review of patients with refractory benign oesophageal strictures who participated in oesophageal self-dilation at Mayo Clinic (Rochester, MN, USA) between 2003 and 2017...
May 21, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29785666/evaluation-of-ostarine-as-a-selective-androgen-receptor-modulator-in-a-rat-model-of-postmenopausal-osteoporosis
#6
D B Hoffmann, M Komrakova, S Pflug, M von Oertzen, D Saul, L Weiser, T A Walde, M Wassmann, A F Schilling, W Lehmann, S Sehmisch
Selective androgen receptor modulators (SARMs) have shown beneficial effects on muscle wasting, general physical function and bone properties in male mammals. However, data on the effects of SARMs in postmenopausal osteoporotic bone are scarce. We evaluated the effects of the SARM drug ostarine on postmenopausal osteoporotic bone in a rat osteoporosis model. Ovariectomy was performed on 46 of 56 3-month-old female Sprague-Dawley rats. Eight weeks after ovariectomy, ostarine was orally administered daily for 5 weeks in dosages of 0...
May 21, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29785208/developing-cellulolytic-yarrowia-lipolytica-as-a-platform-for-the-production-of-valuable-products-in-consolidated-bioprocessing-of-cellulose
#7
Zhong-Peng Guo, Julien Robin, Sophie Duquesne, Michael Joseph O'Donohue, Alain Marty, Florence Bordes
Background: Both industrial biotechnology and the use of cellulosic biomass as feedstock for the manufacture of various commercial goods are prominent features of the bioeconomy. In previous work, with the aim of developing a consolidated bioprocess for cellulose bioconversion, we conferred cellulolytic activity of Yarrowia lipolytica , one of the most widely studied "nonconventional" oleaginous yeast species. However, further engineering this strain often leads to the loss of previously introduced heterologous genes due to the presence of multiple LoxP sites when using Cre -recombinase to remove previously employed selection markers...
2018: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29784593/diagnosis-and-surgical-management-of-inferior-vena-cava-leiomyomatosis
#8
Chao Yang, Huimin Fang, Yunsong Yang, Fei Cai, Hong Zheng, Bi Jin, Yiqing Li, Zheng Liu, Mohamed A Zayed
OBJECTIVE: We aimed to review our experience in the diagnosis and surgical management of patients diagnosed with inferior vena cava leiomyomatosis (IVL). METHODS: We retrospectively evaluated all patients diagnosed with IVL between 1999 and 2015. Patient demographics, diagnostic imaging, operative techniques, and perioperative outcomes were reviewed. RESULTS: Over the study period, 16 patients with an IVL diagnosis were identified. In all patients, the diagnosis was made with ultrasound and magnetic resonance imaging...
May 18, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29783879/effects-of-sodium-citrate-citric-acid-and-lactic-acid-on-human-blood-coagulation
#9
Vittorio Scaravilli, Luca Di Girolamo, Eleonora Scotti, Mattia Busana, Osvaldo Biancolilli, Patrizia Leonardi, Andrea Carlin, Caterina Lonati, Mauro Panigada, Antonio Pesenti, Alberto Zanella
INTRODUCTION: Citric acid infusion in extracorporeal blood may allow concurrent regional anticoagulation and enhancement of extracorporeal CO2 removal. Effects of citric acid on human blood thromboelastography and aggregometry have never been tested before. METHODS: In this in vitro study, citric acid, sodium citrate and lactic acid were added to venous blood from seven healthy donors, obtaining concentrations of 9 mEq/L, 12 mEq/L and 15 mEq/L. We measured gas analyses, ionized calcium (iCa++ ) concentration, activated clotting time (ACT), thromboelastography and multiplate aggregometry...
May 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29783792/utilization-and-effectiveness-of-harnesses-and-lifelines-in-grain-entrapment-incidents-preliminary-analysis
#10
Salah F Issa, Mahmoud M Nour, William E Field
No previous studies have been found that document the level of use or validate the effectiveness of safety harnesses and lifelines in the prevention of or extrication from grain entrapments or engulfments. This article addresses that void via analysis of the data contained in the Purdue Agricultural Confined Space Incident Database. A total of 1,147 cases involving entrapments or engulfments in grain masses were mined for terms that might indicate the use of a safety harness, lifeline, fall restraint system, rope, or outside observer...
May 7, 2018: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29783197/quantification-of-21-antihypertensive-drugs-in-serum-using-uhplc-ms-ms
#11
Per Ole M Gundersen, Arne Helland, Olav Spigset, Solfrid Hegstad
BACKGROUND: Poor drug adherence in hypertensive patients can lead to treatment failure and increased cardiovascular morbidity, as well as increased costs to society. An analytical method based on ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MSMS) was developed and validated for use in routine therapeutic drug monitoring (TDM). The method includes 21 antihypertensive drugs or active metabolites from the groups beta blockers (n=5), calcium antagonists (n=5), angiotensin II receptor antagonists (n=4), angiotensin converting enzyme (ACE) inhibitors (n=3) and diuretics (n = 3), in addition to one α1-selective alpha blocker...
April 28, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29782446/minimally-invasive-proximal-interphalangeal-joint-arthrodesis-using-headless-screw-surgical-technique
#12
Elizabeth A Newman, Maria C Orbay, Fiesky A Nunez, Fiesky Nunez
Proximal interphalangeal (PIP) joint arthritis causes debilitating hand pain and instability leading to significant functional impairment. Arthrodesis remains the gold standard for treatment of PIP arthritis. We present a minimally invasive PIP arthrodesis that provides rigid fixation with a headless compression screw. Seven patients who presented to the senior author with PIP joint arthritis underwent PIP arthrodesis by minimally invasive technique. A 1 cm transverse incision is made over the PIP joint, incising skin, central band, and articular capsule...
June 2018: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29782336/a-review-of-small-incision-lenticule-extraction-complications
#13
Ronald R Krueger, Caio S Meister
PURPOSE OF REVIEW: As a flapless procedure, SMILE brings benefits to refractive surgery, such as lower corneal biomechanical impact, less dry eye risk and less stromal bed exposure. However, the longer learning curve can be a risk factor for complications. This article aims to discuss SMILE complications and proposes a categorized analysis of occurrences, dividing into two groups: intraoperative and postoperative complications. Among intraoperative, we also suggest a subdivision between those related to the laser (lenticule construction), tissue separation (lenticule dissection) and tissue removal (lenticule extraction)...
May 17, 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#14
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29781854/salvage-of-threatened-cardiovascular-implantable-electronic-devices-case-series-and-review-of-literature
#15
Andrew M Simpson, W Tyler Rockwell, Roger A Freedman, W Bradford Rockwell
BACKGROUND: The treatment of infected or exposed cardiac pacing and defibrillator devices is controversial. The conservative and widely accepted management calls for removal of the device and leads with immediate or delayed replacement of new components in a new site. Lead extraction carries a 2% major complication risk. In this article, we describe our experience with device salvage techniques and review the current literature. METHODS: This is a retrospective case series of consecutive patients with infected, exposed, or at-risk implanted cardiac devices that were treated with aggressive surgical debridement, local pocket irrigation, and revision...
May 17, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29781376/immediate-early-gene-activation-throughout-the-brain-is-associated-with-dynamic-changes-in-social-context
#16
Cait M Williamson, Inbal S Klein, Won Lee, James P Curley
Social competence is dependent on successful processing of social context information. The social opportunity paradigm is a methodology in which dynamic shifts in social context are induced through removal of the alpha male in a dominance hierarchy, leading to rapid ascent in the hierarchy of the beta male and of other subordinate males in the social group. In the current study, we use the social opportunity paradigm to determine what brain regions respond to this dynamic change in social context, allowing an individual to recognize the absence of the alpha male and subsequently perform status-appropriate social behaviors...
May 21, 2018: Social Neuroscience
https://www.readbyqxmd.com/read/29781256/improved-performance-in-mammalian-cell-perfusion-cultures-by-growth-inhibition
#17
Moritz K F Wolf, Aurélie Closet, Monika Bzowska, Jean-Marc Bielser, Jonathan Souquet, Hervé Broly, Massimo Morbidelli
Mammalian cell perfusion cultures represent a promising alternative for the production of various biopharmaceuticals to the current fed-batch technology. Long-term operation at a fixed viable cell density (VCD) requires a viable culture and a constant removal of excessive cells. Product loss in the cell removing bleed stream deteriorates the process yield. In this study, we investigated the use of chemical and environmental growth inhibition on culture performance by either adding valeric acid (VA) to the production media or by reducing the culture temperature (33...
May 21, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29781046/comparison-of-filtration-mechanisms-of-food-and-industrial-grade-tio-2-nanoparticles
#18
Chen Chen, Ian M Marcus, Travis Waller, Sharon L Walker
The removal of food and industrial grade titanium dioxide (TiO2 ) particles through drinking water filtration was assessed via direct visualization of an in situ 2-D micromodel. The goal of this research was to determine whether variances in surface composition, aggregate size, and ionic strength result in different transport and deposition processes in porous media. Food and industrial grade TiO2 particles were characterized by measuring their hydrodynamic diameter, zeta potential, and zero point of charge before introduction into the 2-D micromodel...
May 21, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29780912/orbital-implant-exposure-after-acanthamoeba-panophthalmitis
#19
Meredith S Baker, Amanda C Maltry, Nasreen A Syed, Richard C Allen
Purpose: Acanthamoeba is a protozoa that can lead to severe ocular disease and sequelae. Although intraocular Acanthamoeba infection is rare, the following case demonstrates an unusual presentation of recurrent Acanthamoeba infection in a 30 year old contact lens wearing male. Observations: After presenting with recurrent Acanthamoeba keratitis and undergoing various treatments, the patient developed nodular scleritis, which evolved into panophthalmitis, and ultimately, required enucleation...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29780903/refractory-interface-haze-developing-after-epithelial-ingrowth-following-laser-in-situ-keratomileusis-and-small-aperture-corneal-inlay-implantation
#20
Rafic Antonios, Nada S Jabbur, Mohammed A Ahmed, Shady T Awwad
Purpose: To report the occurrence and the management of refractory interface haze that developed after epithelial ingrowth following small aperture inlay implantation. Observations: A 52 year-old man with sub-clinical anterior basement membrane dystrophy (ABMD) underwent combined hyperopic laser in situ keratomileusis and KAMRA corneal inlay implantation to correct presbyopia. Post-operatively, epithelial ingrowth developed requiring debridement and KAMRA removal...
June 2018: American Journal of Ophthalmology Case Reports
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