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https://www.readbyqxmd.com/read/28108184/a-case-of-sweet-syndrome-successfully-treated-by-anti-inflammatory-property-of-doxycycline
#1
Tse-Yuan Liaw
No abstract text is available yet for this article.
January 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28107883/batch-medication-of-intestinal-infections-in-nursery-pigs-a-randomised-clinical-trial-on-the-efficacy-of-treatment-strategy-type-of-antibiotic-and-bacterial-load-on-average-daily-weight-gain
#2
Nicolai Rosager Weber, Ken Steen Pedersen, Christian Fink Hansen, Matthew Denwood, Charlotte Kristiane Hjulsager, Jens Peter Nielsen
INTRODUCTION: Previous research projects have demonstrated the need for better diagnostic tools to support decisions on medication strategies for infections caused by Escherichia coli F4 (F4) and F18 (F18), Lawsonia intracellularis (LI) and Brachyspira pilosicoli (PILO). This study was carried out as a randomised clinical trial in three Danish pig herds and included 1047 nursery pigs, distributed over 10 batches and 78 pens. The objectives of this study were: (1) to assess the effect of four 5-day treatment strategies (initiated at clinical outbreak of diarrhoea or at fixed time points 14, 21, or 28days after weaning) on average daily weight gain (ADG); (2) to compare the effect of treatment with doxycycline or tylosine on diarrhoea prevalence, pathogenic bacterial load, and ADG; (3) to evaluate PCR testing of faecal pen floor samples as a diagnostic tool for determining the optimal time of treatment...
February 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28105557/the-anticancer-drug-sunitinib-promotes-autophagyand-protects-from-neurotoxicity-in-an-hiv-1-tat-model-of-neurodegeneration
#3
Jerel A Fields, Jeff Metcalf, Cassia Overk, Anthony Adame, Brian Spencer, Wolfgang Wrasidlo, Jazmin Florio, Edward Rockenstein, Johnny J He, Eliezer Masliah
Despite the success of antiretroviral therapies to control systemic HIV-1 infection, the prevalence of HIV-associated neurocognitive disorders (HANDs) has not decreased among aging patients with HIV. Autophagy pathway alterations, triggered by HIV-1 proteins including gp120, Tat, and Nef, might contribute to the neurodegenerative process in aging patients with HAND. Although no treatments are currently available to manage HAND, we have previously shown that sunitinib, an anticancer drug that blocks receptor tyrosine-kinase and cyclin kinase pathways, might be of interest...
January 19, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28103878/synthetic-circuits-that-process-multiple-light-and-chemical-signal-inputs
#4
Lizhong Liu, Wei Huang, Jian-Dong Huang
BACKGROUND: Multi-signal processing circuits are essential for rational design of sophisticated synthetic systems with good controllability and modularity, therefore, enable construction of high-level networks. Moreover, light-inducible systems provide fast and reversible means for spatiotemporal control of gene expression. RESULTS: Here, in HEK 293 cells, we present combinatory genetic circuits responding to light and chemical signals, simultaneously. We first constructed a dual input circuit converting different light intensities into varying of the sensitivity of the promoter to a chemical inducer (doxycycline)...
January 19, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28101501/classical-presentation-of-acute-pyelonephritis-in-a-case-of-brucellosis
#5
Wadha Alfouzan, Sara Al-Sahali, Hawra'a Sultan, Rita Dhar
Although Brucella species is known to affect almost all organs in humans, renal involvement presenting as acute pyelonephritis remains a rare entity in brucellosis. We report the case of a female patient who presented with symptoms of fever with chills, right loin pain and dysuria in the emergency room. Blood cultures drawn at the time of admission grew Brucella spp., but no organisms were isolated from urine culture although urinalysis data was indicative of urinary tract infection. Empiric therapy with piperacillin/tazobactam plus gentamicin relieved her symptoms...
May 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28098879/cytokines-inducers-and-inhibitors-modulate-mmp-2-and-mmp%C3%A2-9-secretion-by-human-fanconi-anemia-immortalized-fibroblasts
#6
M W Roomi, T Kalinovsky, M Rath, A Niedzwiecki
Acute myeloid leukemia and head and neck squamous cell carcinomas are the major causes of mortality and morbidity in Fanconi anemia (FA) patients. Matrix metalloproteinases (MMPs), particularly MMP-2 and MMP-9, have been implicated in tumor invasion and metastasis. Various cytokines, mitogens, growth factors, inducers and inhibitors control MMP activities. We investigated the roles of these in the regulation of MMP-2 and MMP-9 in human immortalized fibroblasts from FA. Human FA immortalized fibroblast cell lines FA-A:PD220 and FA-D2:PD20 were grown in minimum essential medium (MEM) supplemented with 15% fetal bovine serum (FBS) and antibiotics in 24-well tissue culture plates...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28096320/streptococcus-gordonii-a-rare-cause-of-prosthetic-joint-infection-in-a-total-hip-replacement
#7
Christopher Fenelon, John G Galbraith, David M Dalton, Eric Masterson
A 69-year-old female with a history of bilateral total hip replacements presented with rigors, fever and sudden onset left groin pain. A pelvic X-ray showed well-fixed implants. Blood results revealed a leucocytosis (white cell count 22.3 × 10(9) l(-1)) and elevated C-reactive protein (211 mg/l). Ultrasound-guided aspiration of her left hip grew Streptococcus gordonii No source infection could be identified apart from a new chronic sinus infection in a left upper incisor. Following a discussion with the patient a 6-week course of intravenous ceftriaxone was started and was successful in normalizing her inflammatory markers...
January 16, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28088749/dual-channel-probe-of-carbon-dots-cooperating-with-gold-nanoclusters-employed-for-assaying-multiple-targets
#8
Kuncheng Yang, Shanshan Wang, Yingyi Wang, Hong Miao, Xiaoming Yang
Herein, carbon dots (CD@Papain) from papain have been originally synthesized in aqueous solution along with a quantum yield of 6.2%, and showed cyan fluorescence at 435nm. Meanwhile, papain-templated Au nanoclusters (AuNCs@Papain) were prepared with the same precursor. On the basis of the two types of nanomaterials, CD@Papain and AuNCs@Papain have been designed to assemble as one nanosensor (termed as CD-AuNCs@Papain) through a typical cross-linking reaction. Significantly, it not only emitted the dual-emission fluorescent signals with the same excitation, but also can assay multiple targets through exhibiting cyan, yellow, and red emission respectively...
January 7, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28088016/release-and-cytotoxicity-studies-of-magnetite-ag-antibiotic-nanoparticles-an-interdependent-relationship
#9
Olena Ivashchenko, Anna Woźniak, Emerson Coy, Barbara Peplinska, Jacek Gapinski, Stefan Jurga
Though the cytotoxic properties of magnetite nanoparticles (NPs) are rather well investigated and known to be dose dependent and rather low, surface functionalization can drastically change their properties. To determine whether the cytotoxicity of magnetite/Ag/antibiotic NPs may be associated, among other things, with iron, silver and antibiotic release, this study investigates the release profiles and cytotoxicity of magnetite/Ag/rifampicin and magnetite/Ag/doxycycline NPs compares it similar profiles from magnetite, magnetite/Ag NPs and antibiotics...
January 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28087488/cathepsin-k-targeted-sub-micron-particles-for-regenerative-repair-of-vascular-elastic-matrix
#10
Brenton Jennewine, Jonathan Fox, Anand Ramamurthi
: Abdominal Aortic Aneurysms (AAA) involve slow dilation and weakening of the aortic wall due to breakdown of structural matrix components, such as elastic fibers by chronically overexpressed matrix metalloproteinases (MMPs), primarily, MMPs-2 and -9. Auto-regenerative repair of disrupted elastic fibers by smooth muscle cells (SMCs) at the AAA site is intrinsically poor and together with chronic proteolysis prevents restoration of elastin homeostasis, necessary to enable AAA growth arrest or regression to a healthy state...
January 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28077744/neuropsychiatric-outcomes-after-mefloquine-exposure-among-u-s-military-service-members
#11
Angelia A Eick-Cost, Zheng Hu, Patricia Rohrbeck, Leslie L Clark
Mefloquine was widely prescribed to U.S. military service members until 2009 when use was limited to personnel with contraindications to doxycycline and no contraindications to mefloquine. The need to estimate the occurrence of neuropsychiatric outcomes (NPOs) in service members prescribed mefloquine warranted a comprehensive evaluation of this issue. Active component service members filling a prescription for mefloquine, doxycycline, or atovaquone/proguanil (A/P) between January 1, 2008 and June 30, 2013, were included in the analysis...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077432/determination-of-tetracyclines-in-bovine-milk-using-laccaic-acid-loaded-magnetite-nanocomposite-for-magnetic-solid-phase-extraction
#12
Youwei Yu, Zhefeng Fan
An efficient magnetic sorbent of laccaic acid-loaded magnetite nanocomposite was successfully synthesized for extraction and preconcentration of tetracyclines (TCs) from bovine milk sample. The synthesized nanocomposite was characterized by scanning electron microscopy and Fourier transform-infrared spectroscopy. Determination of the extracted TCs was performed by high performance liquid chromatography. Parameters affecting the efficiency of magnetic solid-phase extraction were studied and optimized. The best adsorption conditions were 80 mg of sorbent, 50 mL of sample volume, pH 7, 45°C and 20 min; the elution conditions were 0...
January 10, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28073877/pacemaker-pocket-infection-due-to-mycobacterium-goodii-a-rapidly-growing-mycobacteria
#13
David K Yoo, Seyed M Hosseini-Moghaddam
A woman aged 74 years with an implanted dual-chamber pacemaker presented with pacemaker site infection after failing empiric antimicrobial therapy. The pathogen was later identified as Mycobacterium goodii, a rapidly growing mycobacteria species. The pacemaker was subsequently removed and the patient was treated with oral ciprofloxacin and doxycycline with clinical improvement. In this article, we describe a rare case of pacemaker site infection by M. goodii.
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28072950/-epidemiology-and-etiology-of-bacillary-dysentery-in-xinjiang-uigur-autonomous-region-2004-2014
#14
J Zhang, Mahemuti Mahemuti, Y D Xia, Mutalifu Mutalifu, Muheyati Muheyati, F Li, B S Gu, X L Li
Objective: To understand the epidemiological and etiological characteristics of bacillary dysentery in Xinjiang Uigur Autonomous Region (Xinjiang) during 2004-2014, and provide evidence for the prevention and control of bacillary dysentery. Methods: Descriptive epidemiological analysis was conducted by using the incidence data of bacillary dysentery in Xinjiang during 2004-2014 and the serotyping and the antibiotic susceptibility test of the pathogens isolated were performed. Results: A total of 123 238 cases of bacillary dysentery were reported in Xinjiang from 2004 to 2014...
November 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28069785/postoperative-mycoplasma-hominis-brain-abscess-keep-it-in-mind
#15
Sarah Maria Bergin, Shehara M Mendis, Barnaby Young, Ezlyn Binti Izharuddin
A temporal lobe abscess was diagnosed in a 57-year-old man. A urethral catheter had been inserted 12 days earlier, just prior to clot evacuation of a subacute haematoma secondary to an arterio-venous malformation. Fever persisted despite debridement and treatment with meropenem and vancomycin. Gram stains of operative samples showed no bacteria. Extended cultures grew pinpoint colonies after 5 days. Meanwhile, sequencing of bacterial 16S rDNA from operative specimens had identified Mycoplasma hominis; the bacterial colonies were subsequently similarly identified...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28064162/acute-genetic-ablation-of-pendrin-lowers-blood-pressure-in-mice
#16
Francesco Trepiccione, Christelle Soukaseum, Veronique Baudrie, Yusuke Kumai, Jacques Teulon, Bruno Villoutreix, Nicolas Cornière, Philine Wangemann, Andrew J Griffith, Yoon Byung Choi, Juliette Hadchouel, Regine Chambrey, Dominique Eladari
BACKGROUND: Pendrin, the chloride/bicarbonate exchanger of β-intercalated cells of the renal connecting tubule and the collecting duct, plays a key role in NaCl reabsorption by the distal nephron. Therefore, pendrin may be important for the control of extracellular fluid volume and blood pressure. METHODS: Here, we have used a genetic mouse model in which the expression of pendrin can be switched-on in vivo by the administration of doxycycline. Pendrin can also be rapidly removed when doxycycline administration is discontinued...
January 7, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28062693/pu-1-regulates-ig-light-chain-transcription-and-rearrangement-in-pre-b-cells-during-b-cell-development
#17
Carolina R Batista, Stephen K H Li, Li S Xu, Lauren A Solomon, Rodney P DeKoter
B cell development and Ig rearrangement are governed by cell type- and developmental stage-specific transcription factors. PU.1 and Spi-B are E26-transformation-specific transcription factors that are critical for B cell differentiation. To determine whether PU.1 and Spi-B are required for B cell development in the bone marrow, Spi1 (encoding PU.1) was conditionally deleted in B cells by Cre recombinase under control of the Mb1 gene in Spib (encoding Spi-B)-deficient mice. Combined deletion of Spi1 and Spib resulted in a lack of mature B cells in the spleen and a block in B cell development in the bone marrow at the small pre-B cell stage...
January 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28061753/treatment-efficacy-of-azithromycin-1%C3%A2-g-single-dose-versus-doxycycline-100%C3%A2-mg-twice-daily-for-7%C3%A2-days-for-the-treatment-of-rectal-chlamydia-among-men-who-have-sex-with-men-a-double-blind-randomised-controlled-trial-protocol
#18
Andrew Lau, Fabian Kong, Christopher K Fairley, Basil Donovan, Marcus Chen, Catriona Bradshaw, Mark Boyd, Janaki Amin, Peter Timms, Sepehr Tabrizi, David G Regan, David A Lewis, Anna McNulty, Jane S Hocking
BACKGROUND: Rectal infection with Chlamydia trachomatis is one of the most common bacterial sexually transmissible infections among men who have sex with men (MSM) with diagnosis rates continuing to rise. Current treatment guidelines recommend either azithromycin 1 g single dose or doxycycline 100 mg twice daily for 7 days. However, there are increasing concerns about treatment failure with azithromycin. We are conducting the first randomised controlled trial (RCT) to compare treatment efficacy of azithromycin versus doxycycline for the treatment of rectal chlamydia in MSM...
January 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28060340/reprogramming-mouse-embryonic-fibroblasts-with-transcription-factors-to-induce-a-hemogenic-program
#19
Michael G Daniel, Carlos-Filipe Pereira, Jeffrey M Bernitz, Ihor R Lemischka, Kateri Moore
This protocol details the induction of a hemogenic program in mouse embryonic fibroblasts (MEFs) via overexpression of transcription factors (TFs). We first designed a reporter screen using MEFs from human CD34-tTA/TetO-H2BGFP (34/H2BGFP) double transgenic mice. CD34(+) cells from these mice label H2B histones with GFP, and cease labeling upon addition of doxycycline (DOX). MEFS were transduced with candidate TFs and then observed for the emergence of GFP(+) cells that would indicate the acquisition of a hematopoietic or endothelial cell fate...
December 16, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28058468/-nonviral-sexually-transmitted-infections-epidemiology-clinical-manifestations-diagnostic-workup-therapy-part%C3%A2-3-treponemes-gardnerella-and-trichomonads
#20
REVIEW
P Nenoff, A Manos, I Ehrhard, C Krüger, U Paasch, P Helmbold, W Handrick
In Germany, the reported syphilis prevalence has increased continuously since 2010, with a total of 6834 syphilis cases being reported in 2015. The largest increase of reported syphilis occurred in men who have sex with men (MSM). The antibiotic agent of choice for treatment of syphilis is still penicillin. There are no penicillin-resistant Treponema pallidum strains. Alternatives are ceftriaxone and doxycycline. In Germany, azithromycin is not approved for treatment of syphilis; however, therapy failures are increasingly reported...
January 5, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
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