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https://www.readbyqxmd.com/read/29679951/surgical-site-infection-rate-after-hemilaminectomy-and-laminectomy-in-dogs-without-perioperative-antibiotic-therapy
#1
Barbara A R Dyall, Hugo G Schmökel
OBJECTIVE:  The aim of this study was to retrospectively review the surgical site infection (SSI) rate in dogs undergoing laminectomies without perioperative antibiotics, and compare those data with the expected infection rate for clean surgical wounds in dogs undergoing similar procedures. METHODS:  This was a retrospective single-centre study composed of dogs that underwent hemilaminectomies or laminectomies for thoracolumbar disc herniation or lumbosacral disease during a 2-year period (during 2015 and 2016)...
April 21, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29679902/new-lipophilic-isoniazid-derivatives-and-their-1-3-4-oxadiazole-analogues-synthesis-antimycobacterial-activity-and-investigation-of-their-mechanism-of-action
#2
Rudolf Vosátka, Martin Krátký, Markéta Švarcová, Jiří Janoušek, Jiřina Stolaříková, Jan Madacki, Stanislav Huszár, Katarína Mikušová, Jana Korduláková, František Trejtnar, Jarmila Vinšová
The development of novel drugs is essential for the treatment of tuberculosis and other mycobacterial infections in future. A series of N-alkyl-2-isonicotinoylhydrazine-1-carboxamides was synthesized from isoniazid (INH) and then cyclized to N-alkyl-5-(pyridin-4-yl)-1,3,4-oxadiazole-2-amines. All derivatives were characterised spectroscopically. The compounds were screened for their in vitro antimycobacterial activity against susceptible and multidrug-resistant Mycobacterium tuberculosis (Mtb.) and nontuberculous mycobacteria (NTM; M...
April 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29679854/thymol-attenuates-the-worsening-of-atopic-dermatitis-induced-by-staphylococcus-aureus-membrane-vesicles
#3
Hyo Il Kwon, Na Hee Jeong, So Hyun Jun, Joo Hee Son, Shukho Kim, Hyejin Jeon, Sun Chul Kang, Sang Hyun Kim, Je Chul Lee
Staphylococcus aureus membrane vesicles (MVs) aggravate atopic dermatitis (AD) through the delivery of bacterial effector molecules to host cells and the stimulation of inflammatory responses. This study investigated the inhibitory effect of thymol, a phenolic monoterpene found in essential oils derived from plants, on the worsening of AD induced by S. aureus MVs both in vitro and in vivo. The sub-minimal inhibitory concentrations of thymol disrupted S. aureus MVs. Intact S. aureus MVs induced the expression of pro-inflammatory cytokine (interleukin (IL)-1β, IL-6, and tumor necrosis factor-α) and chemokine (IL-8 and monocyte chemoattractant protein-1) genes in cultured keratinocytes, whereas thymol-treated S...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679812/protective-role-of-nimbolide-against-chemotherapeutic-drug-hydroxyurea-induced-genetic-and-oxidative-damage-in-an-animal-model
#4
Md Fahim Ahmad, Mohd Owais Ansari, Sana Jameel, Ab Latif Wani, Nuzhat Parveen, Hifzur R Siddique, G G H A Shadab
Nimbolide is known to be an antioxidant found in neem plant. Hydroxyurea is a medication frequently used in sickle-cell disease, different cancers and HIV infection. The present study aimed to evaluate the adverse effect of HU and possible amelioration by nimbolide in Wistar rats. To test our hypothesis, we performed genotoxicity tests, biochemical assays, and histopathological studies. We observed that HU caused higher levels of genotoxicity in the treated animals. The observed genetic and oxidative damage might be due to the presence of reactive species as HU increased the level of the malondialdehyde-a biomarker of oxidative damage...
April 12, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29679811/hepatitis-c-care-continuum-and-associated-barriers-among-people-who-inject-drugs-in-chennai-india
#5
Eshan U Patel, Sunil S Solomon, Allison M Mcfall, Aylur K Srikrishnan, Amrose Pradeep, Paneerselvam Nandagopal, Oliver Laeyendecker, Aaron A R Tobian, David L Thomas, Mark S Sulkowski, M Suresh Kumar, Shruti H Mehta
BACKGROUND: Little is known regarding barriers to hepatitis C virus (HCV) treatment among people who inject drugs (PWID) in low-resource settings, particularly in the era of direct-acting antiviral therapies. METHODS: Between March, 2015-August, 2016, a cross-sectional survey was administered to community-based PWID in Chennai, India to examine the HCV care continuum and associated barriers. Adjusted prevalence ratios (APR) were estimated by multivariable Poisson regression with robust variance...
April 18, 2018: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29679791/phosphorodiamidate-morpholino-targeting-the-5-untranslated-region-of-the-zikv-rna-inhibits-virus-replication
#6
Waldemar Popik, Atanu Khatua, James E K Hildreth, Benjamin Lee, Donald J Alcendor
BACKGROUND: Zika virus (ZIKV) infection has been associated with microcephaly in infants. Currently there is no treatment or vaccine. Here we explore the use of a morpholino oligonucleotide targeted to the 5' untranslated region (5'-UTR) of the ZIKV RNA to prevent ZIKV replication. METHODS: Morpholino DWK-1 inhibition of ZIKV replication in human glomerular podocytes was examined by qRT-PCR, reduction in ZIKV genome copy number, western blot analysis, immunofluorescence and proinflammatory cytokine gene expression...
April 18, 2018: Virology
https://www.readbyqxmd.com/read/29679783/radiofrequency-lesioning-through-deep-brain-stimulation-electrodes-in-patients-with-generalized-dystonia
#7
Nobuhiko Takeda, Shiro Hoeisawa, Takaomi Taira, Takakazu Kawamata
BACKGROUND: Deep brain stimulation (DBS) is an established treatment for generalized dystonia. However, the DBS device is sometimes removed owing to hardware complications. Here, we present four cases of generalized dystonia treated with radiofrequency lesioning through the DBS electrodes. CASE DESCRIPTION: The patients were three men and one woman (34 to 44 years old). They had undergone DBS for generalized dystonia. However, they subsequently developed complications, such as infection, and removal of the devices became necessary...
April 18, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29679779/biomimetic-3d-in-vitro-model-of-biofilm-triggered-osteomyelitis-for-investigating-hematopoiesis-during-bone-marrow-infections
#8
Annamarija Raic, Sophie Riedel, Elena Kemmling, Karen Bieback, Joerg Overhage, Cornelia Lee-Thedieck
In this work, we define the requirements for a human-based osteomyelitis model which overcomes the limitations of state of the art animal models. Osteomyelitis is a severe and difficult to treat infection of the bone that develops rapidly, making it difficult to study in humans. We have developed a 3D in vitro model of the bone marrow, comprising a macroporous material, human hematopoietic stem and progenitor cells (HSPCs) and mesenchymal stromal cells (MSCs). Inclusion of biofilms grown on an implant into the model system allowed us to study the effects of postoperative osteomyelitis-inducing bacteria on the bone marrow...
April 18, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29679773/distinctive-infectious-complications-in-patients-with-central-nervous-system-lymphoma-undergoing-thiotepa-busulfan-and-cyclophosphamide-tbc-conditioned-autologous-stem-cell-transplantation
#9
Michael Scordo, Sejal M Morjaria, Eric R Littmann, Ankush Bhatia, Helen H Chung, Molly Maloy, Lisa M DeAngelis, Sergio A Giralt, Ying Taur, Craig S Sauter
We investigated the incidence of viral, fungal, bacterial, and parasitic infections observed in 57 patients with central nervous system lymphoma (CNSL) after TBC-ASCT and 79 patients with systemic NHL after traditional BEAM-ASCT. Twenty of 57 (35%) TBC-ASCT patients had detectable viremia with human herpesvirus 6 (HHV-6), cytomegalovirus (CMV), adenovirus (ADV), or BK virus (BKV), versus 9 of 79 (11%) BEAM-ASCT patients. Nine TBC-ASCT patients had clinically relevant viral infections (4 HHV-6, 2 CMV, 1 ADV, 2 BKV), versus 0 in the BEAM-ASCT group...
April 18, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29679769/infection-status-and-risk-factors-associated-with-urinary-schistosomiasis-among-school-going-children-in-the-ndumo-area-of-umkhanyakude-district-in-kwazulu-natal-south-africa-two-years-post-treatment
#10
Muhubiri Kabuyaya, Moses John Chimbari, Samson Mukaratirwa
OBJECTIVES: To assess the efficacy of praziquantel of infected children with Schistosoma haematobium over a 2year period in the Ndumo area of uMkhanyakude district, South Africa. METHODS: This cohort study enrolled 173 school-going children in September 2017 that participated in a baseline survey conducted in 2015 in the Ndumo area. Questionnaire interviews were conducted to collect information on the risk factors related to transmission of schistosomiasis and filtration technique was performed to detect Schistosoma haematobium eggs in urine...
April 18, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29679761/expression-profiling-and-microbial-ligand-binding-analysis-of-high-mobility-group-box-1-hmgb1-in-turbot-scophthalmus-maximus-l
#11
Xin Cai, Chengbin Gao, Baofeng Su, Fenghua Tan, Ning Yang, Guodong Wang
High-mobility group box 1 (HMGB1), a highly conserved DNA-binding protein, was involved in nucleosome formation and transcriptional regulation, and can also act as an extracellular cytokine to trigger inflammation and immune responses. In this study, we identified a HMGB1 gene in turbot (Scophthalmus maximus L.). The full-length SaHMGB1 cDNA includes an open reading frame of 615 bp which encoded a 204 amino acid polypeptide with an estimated molecular mass of 23.19°kDa. SaHMGB1 was most closely related to several fish HMGB1 and shared 74...
April 18, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29679759/bax-inhibitor-1-from-orange-spotted-grouper-epinephelus-coioides-involved-in-viral-infection
#12
Jia Cai, Shina Wei, Yishan Lu, Zaohe Wu, Qiwei Qin, Jichang Jian
Bax inhibitor-1 (BI-1) is a conserved anti-apoptotic protein that suppresses endoplasmic reticulum (ER) stress-induced cell death. However, the function of fish BI-1 is not quite clear. In the present study, a bi-1 homolog (Ecbi-1) from orange spotted grouper, Epinephelus coioides was identified and its roles in viral infection were investigated. EcBI-1 encoded 237 amino acids protein, contained six transmembrane regions and a conservative C-terminus motif. Ecbi-1 predominantly expressed in kidney and spleen of healthy grouper...
April 18, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29679728/magnetic-resonance-imaging-of-the-lumbar-spine-determining-clinical-impact-and-potential-harm-from-overuse
#13
Nathan M Wnuk, Tarik K Alkasab, Daniel I Rosenthal
BACKGROUND: Lumbar spine MRI is frequently said to be "overused" in the evaluation of low-back pain, yet data concerning the extent of overuse and on potential harmful effects are lacking. PURPOSE: To determine the proportion of examinations with a detectable impact on patient care (actionable outcomes). STUDY DESIGN: Retrospective cohort study PATIENT SAMPLE: 5,365 outpatient lumbar spine MR examinations OUTCOME MEASURES: Actionable outcomes included: 1) findings leading to an intervention making use of anatomical information such as surgery; 2) new diagnoses of cancer, infection, or fracture; or 3) following known lumbar spine pathology...
April 18, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29679726/late-presenting-dural-tear-incidence-risk-factors-and-associated-complications
#14
Wesley M Durand, J Mason DePasse, Eren O Kuris, JaeWon Yang, Alan H Daniels
BACKGROUND CONTEXT: Unrecognized and inadequately repaired intraoperative durotomies may lead to cerebrospinal fluid leak, pseudomeningocele, and other complications. Few studies have investigated durotomy that is unrecognized intraoperatively and requires additional postoperative management (hereafter, late-presenting dural tear [LPDT]), though estimates of LPDT range from 0.6 - 8.3 per 1,000 spinal surgeries. These single-center studies are based on relatively small sample sizes for an event of this rarity, all with <10 patients experiencing LPDT...
April 18, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29679656/pd-1-blocks-lytic-granule-polarization-with-concomitant-impairment-of-integrin-outside-in-signaling-in-natural-killer-cell-immunological-synapse
#15
Yu Huang, Zhiying Chen, Joon Hee Jang, Mirza S Baig, Grant Bertolet, Casey Schroeder, Shengjian Huang, Qian Hu, Yong Zhao, Dorothy E Lewis, Lidong Qin, Michael Xi Zhu, Dongfang Liu
BACKGROUND: Inhibitory receptor programmed cell death protein-1 (PD-1) is upregulated on a variety of immune cells, including natural killer (NK) cells, during chronic virus infection and tumorigenesis. Blockade of PD-1 or its ligands produces durable clinical responses with tolerable side effects in patients with a broad spectrum of cancers. However, the underlying molecular mechanisms of how PD-1 regulates NK cell function remain poorly characterized. OBJECTIVE: We sought to determine what effect PD-1 signaling has on NK cells...
April 18, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29679651/use-of-pcr-denaturing-gradient-gel-electrophoresis-for-the-discrimination-of-candida-species-isolated-from-natural-habitats
#16
Abd El-Latif Hesham, Vijai Kumar Gupta, Bhim Pratap Singh
Candida species are opportunistic microbes that cause chronic infections for a human being. Therefore, the exact identification of Candida species is extremely important for improved therapeutic strategy against these species. Identification based on conventional methods cannot differentiate between some of yeasts species, hence PCR based molecular techniques and sequencing could be an alternative tool for the yeasts identification. A quick molecular method based on the polymerase chain reaction (PCR) and Denaturing Gradient Gel Electrophoresis (DGGE) was applied for distinguishing strains belonging to the Candida species...
April 18, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29679650/cmv-seronegative-donors-effect-on-clinical-severity-of-cmv-infection-and-reconstitution-of-cmv-specific-immunity
#17
P L J van der Heiden, H M van Egmond, S A J Veld, M van de Meent, M Eefting, L C de Wreede, C J M Halkes, J H F Falkenburg, W A F Marijt, I Jedema
BACKGROUND: Cytomegalovirus (CMV)-specific T-cells are crucial to prevent CMV disease. CMV seropositive recipients transplanted with stem cells from a CMV seronegative allogeneic donor (R+ D- ) may be at risk for CMV disease due to absence of donor CMV-specific memory T-cells in the graft. METHODS: We analyzed the duration of CMV reactivations and the incidence of CMV disease in R+ D- and R+ D+ patients after alemtuzumab-based T-cell depleted allogeneic stem cell transplantation (TCD alloSCT)...
April 18, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/29679637/recent-stimulant-use-and-leukocyte-gene-expression-in-methamphetamine-users-with-treated-hiv-infection
#18
Adam W Carrico, Annesa Flentje, Kord Kober, Sulggi Lee, Peter Hunt, Elise D Riley, Steven Shoptaw, R N Elena Flowers, Samantha E Dilworth, Savita Pahwa, Bradley E Aouizerat
Stimulant use may accelerate HIV disease progression through biological and behavioral pathways. However, scant research with treated HIV-positive persons has examined stimulant-associated alterations in pathophysiologic processes relevant to HIV pathogenesis. In a sample of 55 HIV-positive, methamphetamine-using sexual minority men with a viral load less than 200 copies/mL, we conducted RNA sequencing to examine patterns of leukocyte gene expression in participants who had a urine sample that was reactive for stimulants (n = 27) as compared to those who tested non-reactive (n = 28)...
April 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29679595/utilization-of-real-time-pcr-for-the-assessment-of-egg-burden-in-the-organs-of-schistosoma-japonicum-experimentally-infected-mice
#19
Minh-Anh Dang-Trinh, Jose Ma M Angeles, Kharleezelle J Moendeg, Adrian Miki C Macalanda, Luna Higuchi, Chiho Oto, Masashi Kirinoki, Yuichi Chigusa, Shin-Ichiro Kawazu
Schistosoma japonicum, causing zoonotic intestinal schistosomiasis, is found in China, the Philippines and parts of Indonesia. Severe disease manifestations are basically due to the deposition of eggs in some vital organs such as the liver, spleen and brain. Traditionally, histopathological microscopic examination of the egg burden was used to evaluate the intensity of infection in the affected organs. However, this technique is laborious, time-consuming and requires trained personnel. In this study, real time PCR targeting the mitochondrial NADH dehydrogenase I gene was used to compare with microscopic examination of tissue sections in evaluating the egg burdens in different affected organs...
April 18, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29679594/design-and-synthesis-of-a-new-peptide-derived-from-fasciola-gigantica-cathepsin-l1-with-potential-application-in-serodiagnosis-of-fascioliasis
#20
Behnam Meshgi, Fatemeh Jalousian, Saeid Fathi, Zahra Jahani
Fascioliasis is a global parasitic disease that affects domestic animals and causes considerable economic losses in the process of domestic animal breeding in endemic regions. The cause of the disease involves a liver trematode of the genus Fasciola, which secretes materials into a host's body (mainly proteins) in order to protect it from the host's immune system. These materials can be involved in the migration, growth, and nutrition of the parasite. Among the expressive proteins of Fasciola, proteases have been introduced as the appropriate targets for diagnosis, treatment, and vaccination against parasites...
April 18, 2018: Experimental Parasitology
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