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https://www.readbyqxmd.com/read/28821521/effectiveness-of-seasonal-influenza-vaccination-in-patients-with-diabetes-protocol-for-a-nested-case-control-study
#1
Ludovic Casanova, Sébastien Cortaredona, Jean Gaudart, Odile Launay, Philippe Vanhems, Patrick Villani, Pierre Verger
INTRODUCTION: Seasonal influenza vaccination (SIV) is recommended for people with diabetes, but its effectiveness has not been demonstrated. All of the available studies are observational and marred with the healthy vaccine bias, that is, bias resulting from the generally better health behaviours practised by people who choose to be vaccinated against influenza, compared with those who do not. This protocol is intended to study the effectiveness of SIV in people with treated diabetes and simultaneously to control for bias...
August 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28810329/-distribution-and-drug-resistance-of-pathogens-at-hematology-department-of-jiangsu-province-from-2014-to-2015-results-from-a-multicenter-retrospective-study
#2
Y K Wan, W Sang, B Chen, Y G Yang, L Q Zhang, A N Sun, Y J Liu, Y Xu, Y P Cai, C B Wang, Y F Shen, Y W Jiang, X Y Zhang, W Xu, M Hong, T Chen, R R Xu, F Li, Y L Xu, Y Xue, Y L Lu, Z M He, W M Dong, Z Chen, M H Ji, Y Y Yang, L J Zhai, Y Zhao, G Q Wu, J H Ding, J Cheng, W B Cai, Y M Sun, J Ouyang
Objective: To describe the distribution and drug resistance of pathogens at hematology department of Jiangsu Province from 2014 to 2015 to provide reference for empirical anti-infection treatment. Methods: Pathogens were from hematology department of 26 tertiary hospitals in Jiangsu Province from 2014 to 2015. Antimicrobial susceptibility testing was carried out according to a unified protocol using Kirby-Bauer method or agar dilution method. Collection of drug susceptibility results and corresponding patient data were analyzed...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28808398/mechanism-of-action-of-isolated-caffeic-acid-and-epicatechin-3-gallate-from-euphorbia-hirta-against-pseudomonas-aeruginosa
#3
Shanmugapriya Perumal, Roziahanim Mahmud, Sabariah Ismail
BACKGROUND: The escalating dominance of resistant Pseudomonas aeruginosa strains as infectious pathogen had urged the researchers to look for alternative and complementary drugs. OBJECTIVE: The objective of this study is to address the biological targets and probable mechanisms of action underlying the potent antibacterial effect of the isolated compounds from Euphorbia hirta (L.) against P. aeruginosa. MATERIALS AND METHODS: The action mechanisms of caffeic acid (CA) and epicatechin 3-gallate (ECG) on P...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28803443/solasodine-inhibits-human-colorectal-cancer-cells-via-suppression-of-akt-gsk-3%C3%AE-%C3%AE-catenin-pathway
#4
Yu-Wen Zhuang, Cun-En Wu, Jin-Yong Zhou, Xu Chen, Jian Wu, Shan Jiang, Hai-Yan Peng, Xi Zou, Jia-Yun Liu, Da-Peng Wu, Tao Gong, Ming-Hao Qi, Tian Xue, Shen-Lin Liu, Hui Cai
Solasodine is a main active component isolated from Solanum incanum L, who performs a wide range of functions containing anti-oxidant, anti-infection and neurogenesis promotion. In this study, we explored the influence of solasodine on three types of human colorectal cancer (CRC) cell lines. The consequences displayed that solasodine apparently prohibited CRC cell proliferation dose- and time-dependently and impeded CRC cell motility by downregulating Matrix metalloprotease (MMPs). Besides, solasodine was investigated to fuel caspase-cascade reaction and increase the ratio between Bax and Bcl-2 so as to induce CRC cell apoptosis...
August 13, 2017: Cancer Science
https://www.readbyqxmd.com/read/28798159/as-cath1-6-novel-cathelicidins-with-potent-antimicrobial-and-immunomodulatory-properties-from-alligator-sinensis-play-pivotal-roles-in-host-antimicrobial-immune-responses
#5
Yan Chen, Shasha Cai, Xue Qiao, Mali Wu, Zhilai Guo, Renping Wang, Yi-Qun Kuang, Haining Yu, Yipeng Wang
Crocodilians are regarded as possessing a powerful immune system. However, the composition and action of the crocodilian immune system have remained unclear until now. Cathelicidins, the principal family of host defense peptides, play pivotal roles in vertebrate immune defense against microbial invasions. However, cathelicidins from crocodilians have not been extensively studied to date. In the present study, six novel cathelicidins (As-CATH1-6) were identified and characterized from the endangered Chinese alligator (Alligator sinensis)...
August 10, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28794543/synchronizing-pharmacotherapy-in-acne-with-review-of-clinical-care
#6
REVIEW
Sarvajnamurthy Aradhya Sacchidanand, Koushik Lahiri, Kiran Godse, Narendra Gajanan Patwardhan, Anil Ganjoo, Rajendra Kharkar, Varsha Narayanan, Dhammraj Borade, Lyndon D'souza
Acne is a chronic inflammatory skin disease that involves the pathogenesis of four major factors, such as androgen-induced increased sebum secretion, altered keratinization, colonization of Propionibacterium acnes, and inflammation. Several acne mono-treatment and combination treatment regimens are available and prescribed in the Indian market, ranging from retinoids, benzoyl peroxide (BPO), anti-infectives, and other miscellaneous agents. Although standard guidelines and recommendations overview the management of mild, moderate, and severe acne, relevance and positioning of each category of pharmacotherapy available in Indian market are still unexplained...
July 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28783113/-omics-in-human-colostrum-and-mature-milk-looking-to-old-data-with-new-eyes
#7
REVIEW
Flaminia Bardanzellu, Vassilios Fanos, Alessandra Reali
Human Milk (HM) is the best source for newborn nutrition until at least six months; it exerts anti-inflammatory and anti-infective functions, promotes immune system formation and supports organ development. Breastfeeding could also protect from obesity, diabetes and cardiovascular disease. Furthermore, human colostrum (HC) presents a peculiar role in newborn support as a protective effect against allergic and chronic diseases, in addition to long-term metabolic benefits. In this review, we discuss the recent literature regarding "omics" technologies and growth factors (GF) in HC and the effects of pasteurization on its composition...
August 7, 2017: Nutrients
https://www.readbyqxmd.com/read/28782236/porous-titanium-scaffolds-with-self-assembled-micro-nano-hierarchical-structure-for-dual-functions-of-bone-regeneration-and-anti-infection
#8
Lu Han, Menghao Wang, Honglong Sun, Peifei Li, Kefeng Wang, Fuzeng Ren, Xiong Lu
Porous titanium (Ti) scaffolds are widely used for bone repair because of their good biocompatibility, mechanical properties and corrosion resistance. However, pristine Ti scaffolds are bioinert and unable to induce bone regeneration. In this study, chitosan coated BSA nanoparticles (CBSA NPs) and oxidized alginate (OSA) were in a layer-by-layer (LbL) manner on Ti scaffolds. The LbL film possessed micro/nano hierarchical architectures, has the features of nanostructures, and possesses abundant functional groups from CBSA NPs and OSA to improve the surface biocompatibility and biofunctionality of Ti scaffolds...
August 7, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28774865/shifts-in-antimicrobial-consumption-and-infection-rates-before-and-during-a-piperacillin-tazobactam-shortage
#9
S Travis King, Katie E Barber, Jason J Parham, Kayla R Stover
BACKGROUND: Anti-infective shortages represent a growing threat to the optimal management of the infected patient and alter the institutional selective pressure against hospital-acquired infections. The objective of this analysis was to assess the impact that a shortage of piperacillin-tazobactam had on the overall antibacterial use and HAI rates at an academic institution. METHODS: Antimicrobial use and infection data were extracted from TheraDoc Clinical Surveillance Software (Premier, Inc...
July 31, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28765651/cd14-is-critical-for-tlr2-mediated-m1-macrophage-activation-triggered-by-n-glycan-recognition
#10
Thiago Aparecido da Silva, André L V Zorzetto-Fernandes, Nerry T Cecílio, Aline Sardinha-Silva, Fabrício Freitas Fernandes, Maria Cristina Roque-Barreira
Agonist interaction with Toll-like receptors (TLRs) induces T cell-mediated immunity, which is effective against intracellular pathogens. Consequently, TLR agonists are being tried as immunomodulatory agents. The lectin ArtinM targets TLR2 N-glycans on macrophages, induces cytokines production, and promotes T helper-1 immunity, a process that culminates in resistance to several parasitic and fungal infections in vivo. Because co-receptors influence agonist binding to TLRs, we investigated whether CD14 is required for macrophage activation induced by ArtinM...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28764775/an-assessment-on-the-role-of-endophytic-microbes-in-the-therapeutic-potential-of-fagonia-indica
#11
Lubna Rahman, Zabta K Shinwari, Irum Iqrar, Lutfur Rahman, Faouzia Tanveer
BACKGROUND: Natural products of animals, plants and microbes are potential source of important chemical compounds, with diverse applications including therapeutics. Endophytic bacteria that are especially associated with medicinal plants presents a reservoir of therapeutic compounds. Fagonia indica has been recently investigated by numerous researchers because of its striking therapeutic potential especially in cancer. It is also reported that endophytes play a vital role in the biosynthesis of various metabolites; therefore we believe that endophytes associated with F...
August 1, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28763887/-the-diagnosis-and-treatment-of-systemic-lupus-erythematosus-complicated-with-hydrocephalus
#12
B T Ma, H X Yin, H Wu, J B Chang, X Zhang, L Wang, X M Leng, W B Ma, Y N Li, R Z Wang, J J Wei
Objective: To investigate the pathogenesis and management of the hydrocephalus in patients with systemic lupus erythematosus (SLE). Methods: Eight cases of hospitalized lupus patients with hydrocephalus in Peking Union Medical College Hospital from Jan 1990 to Mar 2017 were analyzed retrospectively.We collected the patients' medical records including medical history, CT and/or MRI images and analysis of cerebrospinal fluid via lumbar puncture in order to investigate the pathogenesis of the hydrocephalus in patients with SLE and summarize treatment experience...
July 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28757914/evaluating-anti-infective-drugs-in-the-resistant-pathogen-setting-can-we-use-external-controls
#13
Scott R Evans, John Powers
Decreased efficacy of antibiotics due to resistant pathogens has created a need for the development of more effective medical interventions. Despite the increasing prevalence of pathogens resistant to one or more drugs, identifying and enrolling participants into clinical trials that evaluate new interventions for the treatment of some diseases can be challenging given the low prevalence of disease in which there are no effective treatments. Thus researchers might be tempted to consider externally-controlled trials that may allow for a reduction of the necessary number of prospectively-identified trial participants, thus easing recruitment burden and resulting in more timely trial completion relative to randomized controlled trials...
2017: Statistical Communications in Infectious Diseases
https://www.readbyqxmd.com/read/28752681/spontaneous-pneumomediastinum-emphysema-and-pulmonary-bullae-associated-with-refractory-mycoplasma-pneumoniae-pneumonia-in-a-child
#14
Lilin Huang, Huajia Chen, Shumei Peng
We report a 21-month-old child with spontaneous pneumomediastinum (PM), emphysema, and pulmonary bullae caused by Mycoplasma pneumonia (M. pneumoniae) pneumonia. The patient presented with stubborn dyspnea and wheezing although received integrated treatment, including anti-infection, anti-inflammation, and intravenous immunoglobulin. This case was unique in that pulmonary bullae kept increasing. PM and emphysema were refractory in our patient, which have been reported as benign and limited. Surgical intervention was implemented to ultimately cure the case...
July 28, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28751177/in-vitro-screening-of-the-open-source-pathogen-box-identifies-novel-compounds-with-profound-activities-against-neospora-caninum
#15
Joachim Müller, Adriana Aguado, Benoît Laleu, Vreni Balmer, Dominic Ritler, Andrew Hemphill
Neospora caninum is a major cause of abortion in cattle and represents an important veterinary health problem of great economic significance. The Medicines for Malaria Venture (MMV) Pathogen Box, an open-source collection of 400 compounds with proven anti-infective properties against a wide range of pathogens, was screened against a N. caninum beta-galactosidase reporter strain grown in human foreskin fibroblasts. A primary screening carried out at 1µM yielded 40 compounds that were effective against N. caninum tachyzoites...
July 25, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28750143/characterization-of-small-molecule-scaffolds-that-bind-to-the-shigella-type-iii-secretion-system-protein-ipad
#16
Supratim Dey, Asokan Anbanandam, Ben E Mumford, Roberto N De Guzman
Many pathogens such as Shigella and other bacteria assemble the type III secretion system (T3SS) nanoinjector to inject virulence proteins into their target cells to cause infectious diseases in humans. The rise of drug resistance among pathogens that rely on the T3SS for infectivity, plus the dearth of new antibiotics require alternative strategies in developing new antibiotics. The Shigella T3SS tip protein IpaD is an attractive target for developing anti-infectives because of its essential role in virulence and its exposure on the bacterial surface...
July 27, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28750102/stability-of-bacteriophages-in-burn-wound-care-products
#17
Maia Merabishvili, Riet Monserez, Jonas van Belleghem, Thomas Rose, Serge Jennes, Daniel De Vos, Gilbert Verbeken, Mario Vaneechoutte, Jean-Paul Pirnay
Bacteriophages could be used along with burn wound care products to enhance antimicrobial pressure during treatment. However, some of the components of the topical antimicrobials that are traditionally used for the prevention and treatment of burn wound infection might affect the activity of phages. Therefore, it is imperative to determine the counteraction of therapeutic phage preparations by burn wound care products before application in patients. Five phages, representatives of two morphological families (Myoviridae and Podoviridae) and active against 3 common bacterial burn wound pathogens (Acinetobacter baumannii, Pseudomonas aeruginosa and Staphylococcus aureus) were tested against 13 different products commonly used in the treatment of burn wounds...
2017: PloS One
https://www.readbyqxmd.com/read/28748751/update-on-nitazoxanide-a-multifunctional-chemotherapeutic-agent
#18
Anshul Shakya, Hans Raj Bhat, Surjit Kumar Ghosh
Background: The thiazolide nitazoxanide (NTZ) is a broad-spectrum anti-infective drug that adversely affects viability, growth, and proliferation of a range of extracellular and intracellular protozoan, helminths, anaerobic and microaerophilic bacteria, and viruses. Methods: Current review compiled the potential chemotherapeutic efficacy of NTZ against a variety of such disease-causing macro and/or micro-organisms as well as neoplastic cells, using various search engines viz...
July 27, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28748698/band-gap-engineering-of-titania-film-through-cobalt-regulation-for-oxidative-damage-of-bacteria-respiration-and-viability
#19
Jinhua Li, Jiaxing Wang, Donghui Wang, Geyong Guo, Kelvin Wai Kwok Yeung, Xianlong Zhang, Xuanyong Liu
Biomaterial-related bacterial infections cause patient suffering, mortality and extended periods of hospitalization, and impose a substantial burden on medical systems. In this context, understanding the interactions between nanomaterials and bacteria is clinically significant. Herein, TiO2-based heterojunctions including Co-TiO2, CoO-TiO2 and Co3O4-TiO2, were firstly designed by optimizing magnetron sputtering to establish a platform to explore the interactions between nanomaterials and bacteria. We found that the energy band bending and band gap narrowing were effectively promoted at the contact interface of the heterojunctions, which have the ability to induce abiotic reactive oxygen species formation...
July 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28748356/pd-l1-induced-by-ifn-%C3%AE-from-tumor-associated-macrophages-via-the-jak-stat3-and-pi3k-akt-signaling-pathways-promoted-progression-of-lung-cancer
#20
Xiaohui Zhang, Yuanyuan Zeng, Qiuxia Qu, Jianjie Zhu, Zeyi Liu, Weiwei Ning, Hui Zeng, Nan Zhang, Wenwen Du, Cheng Chen, Jian-An Huang
BACKGROUND: Interferon-γ (IFN-γ) is conventionally regarded as an inflammatory cytokine that has a pivotal role in anti-infection and tumor immune surveillance. It has been used clinically to treat a variety of malignancies. However, increased evidence has suggested IFN-γ can act to induce tumor progression. The role of IFN-γ in regulating antitumor immunity appears to be complex and paradoxical. The mechanism underlying the dual aspects of IFN-γ function in antitumor immunity is not clear...
July 26, 2017: International Journal of Clinical Oncology
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