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https://www.readbyqxmd.com/read/29227558/rna-sequencing-identifies-gene-regulatory-networks-controlling-extracellular-matrix-synthesis-in-intervertebral-disk-tissues
#1
Scott M Riester, Yang Lin, Wei Wang, Lin Cong, Abdel-Moneim Mohamed Ali, Sun H Peck, Lachlan J Smith, Bradford L Currier, Michelle Clark, Paul Huddleston, William Krauss, Michael J Yaszemski, Mark E Morrey, Matthew P Abdel, Mohamad Bydon, Wenchun Qu, A Noelle Larson, Andre J van Wijnen, Ahmad Nassr
Degenerative disk disease of the spine is a major cause of back pain and disability. Optimization of regenerative medical therapies for degenerative disk disease requires a deep mechanistic understanding of the factors controlling the structural integrity of spinal tissues. In this investigation, we sought to identify candidate regulatory genes controlling extracellular matrix synthesis in spinal tissues. To achieve this goal we performed high throughput next generation RNA sequencing on 39 annulus fibrosus and 21 nucleus pulposus human tissue samples...
December 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29221643/respiratory-and-cardiovascular-responses-to-walking-down-a-traffic-polluted-road-compared-with-walking-in-a-traffic-free-area-in-participants-aged-60-years-and-older-with-chronic-lung-or-heart-disease-and-age-matched-healthy-controls-a-randomised-crossover
#2
Rudy Sinharay, Jicheng Gong, Benjamin Barratt, Pamela Ohman-Strickland, Sabine Ernst, Frank Kelly, Junfeng Jim Zhang, Peter Collins, Paul Cullinan, Kian Fan Chung
BACKGROUND: Long-term exposure to pollution can lead to an increase in the rate of decline of lung function, especially in older individuals and in those with chronic obstructive pulmonary disease (COPD), whereas shorter-term exposure at higher pollution levels has been implicated in causing excess deaths from ischaemic heart disease and exacerbations of COPD. We aimed to assess the effects on respiratory and cardiovascular responses of walking down a busy street with high levels of pollution compared with walking in a traffic-free area with lower pollution levels in older adults...
December 5, 2017: Lancet
https://www.readbyqxmd.com/read/29217418/molecular-characterization-of-virulence-and-antimicrobial-resistance-profile-of-shigella-species-isolated-from-children-with-moderate-to-severe-diarrhea-in-northeastern-brazil
#3
Pedro Henrique Quintela Soares Medeiros, Aldo Ângelo Moreira Lima, Marjorie Moreira Guedes, Alexandre Havt, Mariana Duarte Bona, Luís Carlos Rey, Alberto Melo Soares, Richard Littleton Guerrant, Bernhard H Weigl, Ila Fernanda Nunes Lima
Molecular characterization of virulence and antimicrobial resistance profiles were determined for Shigella species isolated from children with diarrhea in Fortaleza, Brazil. Fecal specimens were collected along with socioeconomic and clinical data from children with moderate to severe diarrhea requiring emergency care. Shigella spp. were isolated by standard microbiological techniques, and we developed 4 multiplex polymerase chain reaction assays to detect 16 virulence-related genes (VRGs). Antimicrobial susceptibility tests were performed using disk diffusion assays...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29201085/synthesis-and-evaluation-of-the-antimicrobial-activity-of-spiro-4h-pyran-derivatives-on-some-gram-positive-and-gram-negative-bacteria
#4
Pardis Nazari, Aliyeh Bazi, Seyed AbdulMajid Ayatollahi, Hadi Dolati, Seyedeh Mahbobeh Mahdavi, Laleh Rafighdoost, Marzieh Amirmostofian
Infections are one of the most important causes of death, disability and inappropriate conditions for millions of people around the world. Therefore, the development in prognosis, prevention and treatment of infectious diseases made a considerable progress in designing and synthesis of new antimicrobial drugs. Nowadays, due to the increase in microbial resistance, discovery of new compounds with broad spectrum effects is granted. 4H-pyran derivatives and spiro compounds are the most important fragments in some effective drugs with antimicrobial activity...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29200950/isolation-and-determination-of-four-potential-antimicrobial-components-from-pseudomonas-aeruginosa-extracts
#5
Ling-Qing Xu, Jian-Wen Zeng, Chong-He Jiang, Huan Wang, Yu-Zhen Li, Wei-Hong Wen, Jie-Hua Li, Feng Wang, Wei-Jen Ting, Zi-Yong Sun, Chih-Yang Huang
Background:Pseudomonas aeruginosa can cause disease and also can be isolated from the skin of healthy people. Additionally, it exhibits certain antimicrobial effects against other microorganisms.Methods: We collected 60 strains of P. aeruginosa and screened their antimicrobial effects against Staphylococcus aureus (ATCC 25923) using the filter paper-disk method, the cross-streaking method and the co-culture method and then evaluated the antimicrobial activity of the chloroform-isolated S. aureus extracts against methicillin-resistant S...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29198841/-antimicrobial-susceptibility-in-isolates-of-streptococcus-equi-subsp-equi-from-buenos-aires-province-argentina
#6
Carla P Bustos, María J Marfil, Natalia S Lanza, Nora Guida
Streptococcus equi subsp. equi is the etiologic agent of strangles, an infectious disease affecting the upper respiratory tract and head and neck lymph nodes of equines. Routine antimicrobial therapy includes penicillin (PEN) as antibiotic of first choice. Streptococci are usually susceptible to PEN and only a few antimicrobial studies had been performed. The aim of this work was to study the antimicrobial susceptibility profile of S. equi from Buenos Aires, Argentina. Ninety-two isolates were studied by the single disk method to PEN, cefotaxime, erythromycin (ERY), tetracycline, enrofloxacin (ENR), trimethoprim sulfamethoxazole (TMS), ciprofloxacin, clindamycin (CLI), streptomycin (STR) and florfenicol...
November 30, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29190129/polymorphism-rs10483727-in-the-six1-six6-gene-locus-is-a-risk-factor-for-primary-open-angle-glaucoma-in-a-saudi-cohort
#7
Altaf A Kondkar, Taif A Azad, Faisal A Almobarak, Hatem Kalantan, Tahira Sultan, Nasser A Alsabaani, Saleh A Al-Obeidan, Khaled K Abu-Amero
AIMS: Variant rs10483727 in the SIX1/SIX6 locus has been significantly associated with primary open angle glaucoma (POAG) in multiple ethnic groups. We conducted a case-control study to investigate the association between this variant and POAG in a Saudi cohort. MATERIALS AND METHODS: Polymorphism rs10483727 was genotyped by using a TaqMan® assay in 186 subjects comprising 92 unrelated POAG cases and 94 controls all of Saudi origin. RESULTS: The "C" allele frequency was 0...
November 30, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29177268/advanced-manufacturing-of-microdisk-vaccines-for-uniform-control-of-material-properties-and-immune-cell-function
#8
Qin Zeng, Peipei Zhang, Xiangbin Zeng, Lisa H Tostanoski, Christopher M Jewell
The continued challenges facing vaccines in infectious disease and cancer highlight a need for better control over the features of vaccines and the responses they generate. Biomaterials offer unique advantages to achieve this goal through features such as controlled release and co-delivery of antigens and adjuvants. However, many synthesis strategies lead to particles with heterogeneity in diameter, shape, loading level, or other properties. In contrast, advanced manufacturing techniques allow precision control of material properties at the micro- and nano-scale...
November 27, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29176536/paracentral-acute-middle-maculopathy-associated-with-bilateral-optic-disk-swelling-and-meningitis
#9
Zhenyang Zhao, Parker Faith, Kaivon Pakzad-Vaezi, Zhongdi Chu, Ruikang K Wang, Raghu C Mudumbai, Kasra A Rezaei
BACKGROUND/PURPOSE: To present a novel case of paracentral acute middle maculopathy associated with bilateral optic disk swelling. METHODS: Retrospective case report. RESULTS: A 67-year-old woman presented with sudden onset of central vision loss and subsequent bilateral optic disk edema, retinal vessel attenuation, and anterior uveitis. Cerebrospinal fluid analysis showed signs of inflammation. Spectral domain optical coherence tomography demonstrated the pathognomonic hyperreflectivity of the middle retinal layers consistent with paracentral acute middle maculopathy...
November 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29176527/cat-scratch-disease-imitating-a-toxocara-granuloma-of-the-optic-disk
#10
Fouad E Sayyad, Ahmaida Zeglam, Swati Agarwal-Sinha
PURPOSE: The study reports an unusual presentation of a young female patient presenting with a granulomatous posterior pole mass and profound vision loss secondary to infection with Bartonella henselae. METHODS: A single case report in a child. RESULTS: An 8-year-old female presented with a recent history of flu-like illness associated with profound vision loss, panuveitis and leukocoria in the left eye. She was found to have a posterior granulomatous mass associated with an exudative retinal detachment presumed as a toxocara granuloma...
November 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29164044/characterization-of-clostridium-difficile-strains-isolated-from-patients-with-c-difficile-associated-disease-in-korea
#11
Seung-Hak Cho, Jung-Whan Chon, Kun-Ho Seo, Young Kwon Kim, Jung-Beom Kim, Young-Seok Bak, Woon-Won Jung, Cheorl-Ho Kim, Jong Tae Choi
Objectives: Studies on Clostridium difficile are rare in Korea. We investigated the epidemiological characteristics of C. difficile isolates from patients with C. difficile-associated disease (CDAD) in Korea. Methods: Multiplex polymerase chain reaction was performed to detect the presence of tcdA and tcdB toxin genes. Antimicrobial susceptibility test was carried out by the disk-dilution method. C. difficile strains were subtyped by automated repetitive-element palindromic PCR (rep-PCR)...
October 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/29164019/quantitative-analysis-of-electro-anatomical-maps-application-to-an-experimental-model-of-left-bundle-branch-block-cardiac-resynchronization-therapy
#12
David Soto Iglesias, Nicolas Duchateau, Constantine Butakoff Kostantyn Butakov, David Andreu, Juan Fernandez-Armenta, Bart Bijnens, Antonio Berruezo, Marta Sitges, Oscar Camara
Electro-anatomical maps (EAMs) are commonly acquired in clinical routine for guiding ablation therapies. They provide voltage and activation time information on a 3-D anatomical mesh representation, making them useful for analyzing the electrical activation patterns in specific pathologies. However, the variability between the different acquisitions and anatomies hampers the comparison between different maps. This paper presents two contributions for the analysis of electrical patterns in EAM data from biventricular surfaces of cardiac chambers...
2017: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/29153133/adaptor-protein-is-a-new-therapeutic-target-in-chronic-kidney-disease
#13
Yoshitaka Isaka
Ergothinoneine, derived from food, has powerful antioxidant effects. In this issue, Shinozaki et al. showed a novel kidney-intestine interaction, mediated by the postsynaptic density 95/disk-large/ZO-1 domain-containing protein (PDZK1)-organic cation transporter 1 (OCTN1)-ergothinoneine axis. In chronic kidney disease, decreased PDZK1 disturbed the localization of OCTN1 on the intestine, resulting in decreased serum ergothinoneine, which canceled the compensatory expression of OCTN1 in the kidney. Because PDZK1 regulates the function of several transporters, targeting PDZK1 may be a new therapeutic target in chronic kidney disease...
December 2017: Kidney International
https://www.readbyqxmd.com/read/29138101/primary-antibiotic-resistance-of-helicobacter-pylori-in-chinese-patients-a-multi-region-prospective-7-year-study
#14
Dong-Sheng Liu, You-Hua Wang, Zhi-Rong Zeng, Zhen-Yu Zhang, Hong Lu, Jian-Ming Xu, Yi-Qi Du, Yan Li, Jiang-Bin Wang, San-Ping Xu, Ye Chen, Chun-Hui Lan, Hong Cheng, Ming-de Jiang, Ling-Xia Zhang, Li-Juan Huo, Shi-Yao Chen, Guo-Xin Zhang, Kai-Chun Wu, Xuan Zhu, You-Xiang Chen, Yin Zhu, Xu Shu, Yong Xie, Nong-Hua Lu
OBJECTIVES: To explore the characteristics of H. pylori resistance in China and the association between antibiotic resistance and several clinical factors. METHODS: H. pylori strains were collected from patients in 13 provinces/cities in China between 2010 and 2016. Demographic data including type of disease, geographic area, age, gender and isolation year were collected to analyse their association with antibiotic resistance. Antibiotic resistance was detected using the Epsilometer test and the Kirby-Bauer disk diffusion method...
November 11, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29137595/study-of-bacterial-infections-among-patients-receiving-kidney-transplant-in-mashhad-iran
#15
Davood Mansury, Azad Khaledi, Kiarash Ghazvini, Mahin Ghorban Sabbagh, Hosna Zare, Mohammad Hossein Rokni-Hosseini, Hossein Vazini
OBJECTIVES: Over the past 2 decades, significant advances have been made in the management of infections after transplant; however, transplant recipients are still at high risk of infectious complications. This study aimed to evaluate the prevalence of bacterial infections and antimicrobial resistance patterns in kidney transplant recipients. MATERIALS AND METHODS: This cross-sectional study included 356 patients who received kidney transplants, regardless of the underlying disease, from 2013 to 2015 at the Montaserieh Transplant Hospital (Mashhad, Iran)...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29137487/emergence-of-fosfomycin-resistance-among-isolates-of-escherichia-coli-harboring-extended-spectrum-and-ampc-%C3%AE-lactamases
#16
Aghil Bahramian, Gita Eslami, Ali Hashemi, Ali Tabibi, Mohsen Heidary
Urinary tract infection (UTI) is a common type of infectious disease globally. The aim of this study was to detect the frequency of fosA3 and fosC2 genes in extended-spectrum β-lactamases (ESBL) and blaDHA, blaCMY-2, and blaCMY-42 genes in AmpC β-lactamases-producing isolates of Escherichia coli. In total, 120 isolates of E. coli were collected from three teaching hospitals between March 2014 and February 2015. Antibiotic susceptibility tests were carried out by disk diffusion method. The presence of blaCMY-2, blaCMY-42, blaDHA, fosA3, and fosC2 genes was detected by polymerase chain reaction (PCR) and sequencing...
November 15, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/29135799/peripapillary-pachychoroid-syndrome
#17
Nopasak Phasukkijwatana, K Bailey Freund, Rosa Dolz-Marco, Mayss Al-Sheikh, Pearse A Keane, Catherine A Egan, Sandeep Randhawa, Jay M Stewart, Qingyun Liu, Alex P Hunyor, Allan Kreiger, Aaron Nagiel, Robert Lalane, Mansour Rahimi, Won Ki Lee, Lee Merrill Jampol, David Sarraf
PURPOSE: To describe the features of peripapillary pachychoroid syndrome (PPS), a novel pachychoroid disease spectrum (PDS) entity. METHODS: Medical records of 31 eyes (16 patients) with choroidal thickening associated with intraretinal and/or subretinal fluid in the nasal macula extending from the disk were reviewed (patients with PPS). Choroidal thickness was compared with 2 age-matched cohorts: typical PDS (17 eyes with central serous chorioretinopathy or pachychoroid neovasculopathy) and 19 normal eyes...
November 10, 2017: Retina
https://www.readbyqxmd.com/read/29111412/serotype-distribution-and-antibiotic-susceptibility-of-streptococcus-pneumoniae-strains-in-the-south-of-tunisia-a-five-year-study-2012-2016-of-pediatric-and-adult-populations
#18
Sonia Ktari, Ikram Jmal, Manel Mroua, Sonda Maalej, Nour ElHouda Ben Ayed, Basma Mnif, Faouzia Rhimi, Adnene Hammami
OBJECTIVES: To analyze the serotype distribution of Streptococcus pneumoniae clinical isolates collected in the south of Tunisia over a 5-year period in different age groups and to assess their antimicrobial susceptibility patterns. METHODS: A total of 305 non-duplicate S. pneumoniae isolates were collected between January 2012 and December 2016 at the university hospital in Sfax, Tunisia. All isolates were serotyped by multiplex PCR. The antibiotic susceptibility of all isolates was determined using the disk diffusion test or Etest assay...
October 27, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29099681/beyond-the-laboratory-into-the-clinic-what-dogs-with-disk-disease-have-taught-us-about-photobiomodulation-for-spinal-cord-injury
#19
Narda G Robinson
BACKGROUND: For spinal-cord-injured (SCI) patients, integrative medicine approaches such as photomedicine and acupuncture can renew hope and offer previously unrecognized ways to help regain function and improve quality of life. OBJECTIVE: By understanding the mechanisms of action that these two modalities share, practitioners can better target specific attributes of spinal cord pathophysiology that are limiting recovery. Naturally occurring intervertebral disk disease (IVDD) in dogs affords unparalleled translational opportunities to develop treatment strategies involving photobiomodulation and acupuncture...
November 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29084401/the-effect-of-a-decrease-in-intraocular-pressure-on-optic-nerve-function-in-patients-with-optic-nerve-drusen
#20
Dorota Pojda-Wilczek, Patrycja Wycisło-Gawron
PURPOSE: The aim of the study was to compare optic nerve function in eyes with brinzolamide-reduced intraocular pressure (IOP) and the fellow eyes of patients with optic disk drusen (ODD). METHODS: The study comprised 34 patients with bilateral ODD but no signs of any other ocular disease. The eyes with more advanced optic neuropathy were selected for treatment with an IOP-lowering drug, carbonic anhydrase inhibitor (brinzolamide); the fellow eyes served as the control...
October 31, 2017: Ophthalmic Research
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