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https://www.readbyqxmd.com/read/28823115/identification-of-distinctive-clinical-significance-in-hospitalized-patients-with-endoscopic-duodenal-mucosal-lesions
#1
Yeji Han, Hye-Kyung Jung, Ji Young Chang, Chang Mo Moon, Seong-Eun Kim, Ki-Nam Shim, Sung-Ae Jung, Joo-Young Kim, Ji-Yun Bae, Sae-In Kim, Ji-Hyun Lee, Sanghui Park
Background/Aims: Duodenitis is not infrequent finding in patient undergoing endoscopy. However, hospitalized patients have a higher incidence of secondary duodenal mucosal lesions that might be related with inflammatory bowel disease (IBD), cytomegalovirus (CMV) infection, tuberculosis, immunologic disorders, or other rare infections. We aimed to identify clinicopathologic features of duodenal mucosal lesions in hospitalized patients. Methods: All hospitalized patients having duodenal mucosal lesions were identified by endoscopic registration data and pathologic data query from 2011 to 2014...
August 21, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28823054/recent-advances-in-synthetic-lipopeptides-as-anti-microbial-agents-designs-and-synthetic-approaches
#2
REVIEW
Jun-Jie Koh, Shuimu Lin, Roger W Beuerman, Shouping Liu
Infectious diseases impose serious public health burdens and continue to be a global public health crisis. The treatment of infections caused by multidrug-resistant pathogens is challenging because only a few viable therapeutic options are clinically available. The emergence and risk of drug-resistant superbugs and the dearth of new classes of antibiotics have drawn increasing awareness that we may return to the pre-antibiotic era. To date, lipopeptides have been received considerable attention because of the following properties: They exhibit potent antimicrobial activities against a broad spectrum of pathogens, rapid bactericidal activity and have a different antimicrobial action compared with most of the conventional antibiotics used today and very slow development of drug resistance tendency...
August 19, 2017: Amino Acids
https://www.readbyqxmd.com/read/28822700/full-length-genome-of-a-novel-genotype-3-hepatitis-e-virus-strain-obtained-from-domestic-pigs-in-japan
#3
Putu Prathiwi Primadharsini, Masao Miyake, Satoshi Kunita, Tsutomu Nishizawa, Masaharu Takahashi, Shigeo Nagashima, Tanggis, Hiroshi Ohnishi, Tominari Kobayashi, Takashi Nishiyama, Suljid Jirintai, Hiroaki Okamoto
Hepatitis E virus (HEV) causes acute or chronic hepatitis in humans and can be transmitted via the fecal-oral route. Pigs are one of the main reservoirs for this infection. Sixty pigs, 4-5 months of age, on a swine herd in Japan had detectable anti-HEV IgG antibodies, and five (8.3%) of them had ongoing infection of genotype 3 HEV. Five HEV strains obtained from the viremic pigs shared 98.8-100% nucleotide identity, and one representative strain (swHE1606845), whose entire genomic sequence was determined in this study, differed by 14...
August 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28822267/a-similar-pro-anti-inflammatory-cytokine-balance-is-present-in-the-airways-of-competitive-athletes-and-non-exercising-asthmatics
#4
Marcin Kurowski, Janusz Jurczyk, Agnieszka Olszewska-Ziąber, Marzanna Jarzębska, Hubert Krysztofiak, Marek L Kowalski
PURPOSE: Intensive exercise modifies airway inflammation and infection susceptibility. We aimed to determine the effect of exercise on pro- and anti-inflammatory cytokine (TNF-α, IL-1ra, IL-10) and innate immunity protein (HSPA1, sCD14) levels in exhaled breath condensate (EBC) and nasal secretions of competitive athletes, non-exercising asthmatics and healthy controls (HC). MATERIAL AND METHODS: The study group consisted of 15 competitive athletes (five speed skaters and ten swimmers) aged 15-25...
August 16, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28822162/-immune-regulation-effect-of-chinese-medicine-of-invigorating-spleen-and-kidney-detoxification-on-simian-immunodeficiency-virus-infected-rhesus-macaque
#5
Miao-Miao Zhang, Zhuo-Tao Fu, Jian-Tao Chen, Ye Cheng, Bo-Qiang Zhu, Lin-Chun Fu, Hong-Yan Zhou
To evaluate the effect of Chinese medicine of invigorating spleen and kidney detoxification on simian immunodeficiency virus-infected rhesus macaque. Eight SIV rhesus macaques of the same age were randomly divided into Chinese medicine of invigorating spleen and kidney detoxification group(hereinafter referred to as Chinese medicine group) and anti-virus drug(HAART) group. The traditional Chinese medicine and antiviral therapy were given for 8 weeks, and peripheral blood was collected for detection in every 4 weeks...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28821521/effectiveness-of-seasonal-influenza-vaccination-in-patients-with-diabetes-protocol-for-a-nested-case-control-study
#6
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/28821267/small-size-recombinant-adenoviral-hexon-protein-fragments-for-the-production-of-virus-type-specific-antibodies
#7
Martin Pacesa, Rodinde Hendrickx, Manuela Bieri, Justin W Flatt, Urs F Greber, Silvio Hemmi
BACKGROUND: Adenoviruses are common pathogens infecting animals and humans. They are classified based on serology, or genome sequence information. These methods have limitations due to lengthy procedures or lack of infectivity data. Adenoviruses are easy to produce and amenable to genetic and biochemical modifications, which makes them a powerful tool for biological studies, and clinical gene-delivery and vaccine applications. Antibodies directed against adenoviral proteins are important diagnostic tools for virus identification in vivo and in vitro, and are used to elucidate infection mechanisms, often in combination with genomic sequencing and type specific information from hyper-variable regions of structural proteins...
August 18, 2017: Virology Journal
https://www.readbyqxmd.com/read/28821221/acute-penicillium-marneffei-infection-stimulates-host-m1-m2a-macrophages-polarization-in-balb-c-mice
#8
Xiaoying Dai, Congzheng Mao, Xiuwan Lan, Huan Chen, Meihua Li, Jing Bai, Jingmin Deng, Qiuli Liang, Jianquan Zhang, Xiaoning Zhong, Yi Liang, Jiangtao Fan, Honglin Luo, Zhiyi He
BACKGROUND: Penicillium marneffei (P. marneffei) is a thermally dimorphic fungus pathogen that causes fatal infection. Alveolar macrophages are innate immune cells that have critical roles in protection against pulmonary fungal pathogens and the macrophage polarization state has the potential to be a deciding factor in disease progression or resolution. The aim of this study was to investigate mouse alveolar macrophage polarization states during P. marneffei infection. RESULTS: We used enzyme-linked immunosorbent (ELISA) assays, quantitative real-time PCR (qRT-PCR), and Griess, arginase activity to evaluate the phenotypic markers of alveolar macrophages from BALB/C mice infected with P...
August 18, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28820896/a-strategy-for-scaling-up-access-to-comprehensive-care-in-adults-with-chagas-disease-in-endemic-countries-the-bolivian-chagas-platform
#9
Maria-Jesus Pinazo, Jimy Pinto, Lourdes Ortiz, Jareth Sánchez, Wilson García, Ruth Saravia, Mirko-R Cortez, Silvia Moriana, Enric Grau, Daniel Lozano, Joaquim Gascon, Faustino Torrico
BACKGROUND: Bolivia has the highest prevalence of Chagas disease (CD) in the world (6.1%), with more than 607,186 people with Trypanosoma cruzi infection, most of them adults. In Bolivia CD has been declared a national priority. In 2009, the Chagas National Program (ChNP) had neither a protocol nor a clear directive for diagnosis and treatment of adults. Although programs had been implemented for congenital transmission and for acute cases, adults remained uncovered. Moreover, health professionals were not aware of treatment recommendations aimed at this population, and research on CD was limited; it was difficult to increase awareness of the disease, understand the challenges it presented, and adapt strategies to cope with it...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820695/prevalence-and-seroprevalence-of-trypanosoma-cruzi-infection-in-a-military-population-in-texas
#10
Bryant J Webber, Mary T Pawlak, Sandra Valtier, Candelaria C Daniels, Charla C Tully, Edward J Wozniak, Walter D Roachell, Francisco X Sanchez, Audra A Blasi, Thomas L Cropper
Recent biosurveillance findings at Joint Base San Antonio (JBSA), a large military installation located in south-central Texas, indicate the potential for vector-borne human Chagas disease. A cross-sectional study was conducted to determine the prevalence and seroprevalence of Trypanosoma cruzi infection in highest risk subpopulations on the installation, including students and instructors who work and sleep in triatomine-endemic field settings. Real-time polymerase chain reaction, enzyme-linked immunosorbent assay, and indirect immunofluorescent antibody assay were performed on enrolled subjects (N = 1,033), none of whom tested positive for T...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820552/-1%C3%A2-3-%C3%AE-d-glucan-assay-in-monitoring-response-to-anti-fungal-therapy-in-fungal-endocarditis
#11
Jihad Slim, Christopher Saling, Maria Szabela, Melinda Brown, Tamara Johnson, Irvin Goldfarb
BACKGROUND: A case is reported of Candida glabrata infective endocarditis (IE) treated without surgical intervention. The study aim was to: (i) briefly discuss the outcomes of other documented cases of fungal IE managed medically with fluconazole; (ii) discuss the (1→3)-β-D-glucan assay and its previously studied role in the diagnosis of invasive fungal infections; and (iii) examine a possible application of the (1→3)-β-D-glucan assay to monitor response to antifungal treatment in patients with Candida endocarditis...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820283/n-3-pufas-induce-inflammatory-tolerance-by-formation-of-keap1-containing-sqstm1-p62-bodies-and-activation-of-nfe2l2
#12
Jennifer Mildenberger, Ida Johansson, Ismail Sergin, Eli Kjøbli, Jan Kristian Damås, Babak Razani, Trude Helen Flo, Geir Bjørkøy
Inflammation is crucial in the defense against infections but must be tightly controlled to limit detrimental hyperactivation. Our diet influences inflammatory processes and omega-3 polyunsaturated fatty acids (n-3 PUFAs) have known anti-inflammatory effects. The balance of pro- and anti-inflammatory processes is coordinated by macrophages and macroautophagy/autophagy has recently emerged as a cellular process that dampens inflammation. Here we report that the n-3 PUFA docosahexaenoic acid (DHA) transiently induces cytosolic speckles of the autophagic receptor SQSTM1/p62 (sequestosome 1) (described as SQSTM1/p62-bodies) in macrophages...
August 18, 2017: Autophagy
https://www.readbyqxmd.com/read/28820083/threonine-deficiency-decreased-intestinal-immunity-and-aggravated-inflammation-associated-with-nf-%C3%AE%C2%BAb-and-target-of-rapamycin-signalling-pathways-in-juvenile-grass-carp-ctenopharyngodon-idella-after-infection-with-aeromonas-hydrophila
#13
Yu-Wen Dong, Wei-Dan Jiang, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study aimed to investigate the impacts of dietary threonine on intestinal immunity and inflammation in juvenile grass carp. Six iso-nitrogenous semi-purified diets containing graded levels of threonine (3·99-21·66 g threonine/kg) were formulated and fed to fishes for 8 weeks, and then challenged with Aeromonas hydrophila for 14 d. Results showed that, compared with optimum threonine supplementation, threonine deficiency (1) decreased the ability of fish against enteritis, intestinal lysozyme activities (except in the distal intestine), acid phosphatase activities, complement 3 (C3) and C4 contents and IgM contents (except in the proximal intestine (PI)), and it down-regulated the transcript abundances of liver-expressed antimicrobial peptide (LEAP)-2A, LEAP-2B, hepcidin, IgZ, IgM and β-defensin1 (except in the PI) (P<0·05); (2) could up-regulate intestinal pro-inflammatory cytokines TNF-α, IL-1β, IL-6, IL-8 and IL-17D mRNA levels partly related to NF-κB signalling; (3) could down-regulate intestinal anti-inflammatory cytokine transforming growth factor (TGF)-β1, TGF-β2, IL-4/13A (not IL-4/13B) and IL-10 mRNA levels partly by target of rapamycin signalling...
July 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28819629/mixed-lactobacillus-plantarum-strains-inhibit-staphylococcus-aureus-induced-inflammation-and-ameliorate-intestinal-microflora-in-mice
#14
Dayong Ren, Shengjie Gong, Jingyan Shu, Jianwei Zhu, Fengjun Rong, Zhenye Zhang, Di Wang, Liangfeng Gao, Tianming Qu, Hongyan Liu, Ping Chen
Objective. Staphylococcus aureus is an important pathogen that causes intestinal infection. We examined the immunomodulatory function of single and mixed Lactobacillus plantarum strains, as well as their impacts on the structure of the microbiome in mice infected with Staphylococcus aureus. The experiment was divided into three groups: protection, treatment, and control. Serum IFN-γ and IL-4 levels, as well as intestinal sIgA levels, were measured during and 1 week after infection with Staphylococcus aureus with and without Lactobacillus plantarum treatment...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28819511/male-partner-involvement-in-the-prevention-of-mother-to-child-transmission-of-hiv-infection-in-mwanza-region-tanzania
#15
Munda Elias, Elia John Mmbaga, Ahmed Abade Mohamed, Rogath Saika Kishimba
INTRODUCTION: Globally, there are 3.3 million children < 15 years of age living with HIV infection. About 95% of HIV infected children have acquired infection from their mothers. Although new pediatric HIV infection in Tanzania has declined by 48% and Prevention of Mother to Child Transmission (PMTCT) coverage of highly active anti-retroviral therapy (HAART) has increased to 77%, the MTCT rate remains high (15%). Poor male partner involvement in PMTCT services is one of the factors contributing to reduced effectiveness of the PMTCT and hence failure to achieve the elimination of maternal to child transmission of HIV...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819257/cytolytic-dna-vaccine-encoding-lytic-perforin-augments-the-maturation-of-and-antigen-presentation-by-dendritic-cells-in-a-time-dependent-manner
#16
Danushka K Wijesundara, Wenbo Yu, Ben J C Quah, Preethi Eldi, John D Hayball, Kerrilyn R Diener, Ilia Voskoboinik, Eric J Gowans, Branka Grubor-Bauk
The use of cost-effective vaccines capable of inducing robust CD8(+) T cell immunity will contribute significantly towards the elimination of persistent viral infections and cancers worldwide. We have previously reported that a cytolytic DNA vaccine encoding an immunogen and a truncated mouse perforin (PRF) protein significantly augments anti-viral T cell (including CD8(+) T cell) immunity. Thus, the current study investigated whether this vaccine enhances activation of dendritic cells (DCs) resulting in greater priming of CD8(+) T cell immunity...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818767/recent-advances-of-pyrazole-containing-derivatives-as-anti-tubercular-agents
#17
Zhi Xu, Chuan Gao, Qing-Cheng Ren, Xu-Feng Song, Lian-Shun Feng, Zao-Sheng Lv
One-third of the world's population infected tuberculosis (TB), and more than 1 million deaths annually. The co-infection between the mainly pathogen Mycobacterium tuberculosis (MTB) and HIV, and the incidence of drug-resistant TB, multi-drug resistant TB, extensively drug-resistant TB as well as totally drug-resistant TB have further aggravated the mortality and spread of this disease. Thus, there is an urgent need to develop novel anti-TB agents against both drug-susceptible and drug-resistant TB. The wide spectrum of biological activities and successful utilization of pyrazole-containing drugs in clinic have inspired more and more attention towards this kind of heterocycles...
August 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28818749/a-conjugate-protein-containing-hiv-tat-isg20-and-a-prrsv-polymerase-binding-inhibits-prrsv-replication-and-may-be-a-novel-therapeutic-platform
#18
Ke Liu, Yuming Li, Bin Zhou, Feifei Wang, Beili Huan, Donghua Shao, Jianchao Wei, Yafeng Qiu, Beibei Li, Yingjuan Qian, Yong-Sam Jung, Denian Miao, Guangzhi Tong, Zhiyong Ma
Porcine Reproductive and Respiratory Syndrome (PRRS), which is caused by Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection, has caused substantial economic losses for the global swine industry. To date, there are limited commercially available measures to control the spread of PRRSV. The available vaccines are unstable and there is no anti-PRRSV therapeutic available. Therefore, this study designed a novel recombinant antiviral protein that included a novel polypeptide that binds to the PRRSV polymerase (p9), the transduction ability of the HIV TAT, and the nucleotide degradation activity of interferon stimulated gene 20 (ISG20)...
August 10, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28818514/effects-of-low-dose-irradiation-on-mice-with-escherichia-coli-induced-sepsis
#19
Kyung-Hee Song, Seung-Youn Jung, Seong-Ho Kho, Sang-Gu Hwang, Hunjoo Ha, Seon Young Nam, Jie-Young Song
Although favorable immune responses to low-dose irradiation (LDI) have been observed in normal mice, i.e., a hormesis effect, little is known about the effects of LDI in infectious diseases. In this study, we examined the effects of LDI on mice with sepsis, a severe and often lethal hyperinflammatory response to bacteria. Female C57BL/6 mice were whole-body irradiated with 10cGy 48h before Escherichia coli infection, and survival, bacterial clearance, cytokines, and antioxidants were quantified. LDI pretreatment significantly increased survival from 46...
August 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28818482/drawbacks-of-the-use-of-cotrimoxazole-in-foreign-body-infections
#20
Cristina El Haj, Alba Ribera, Nuria Lloberas, Fe Tubau, Javier Ariza, Oscar Murillo
INTRODUCTION: The anti-staphylococcal efficacy of cotrimoxazole in the setting of difficult-to-treat infections seems to be compromised by large amounts of pus and devitalized tissue, and, therefore, high levels of thymidine. Our objective was to evaluate the activity of cotrimoxazole against a staphylococcal foreign-body infection experimental model, which also yields significant quantities of thymidine. MATERIAL AND METHODS: We used a rat tissue-cage model of infection (with high inherent thymidine levels) caused by a strain of methicillin-susceptible Staphylococcus aureus (MSSA; ATCC 29213)...
August 14, 2017: Enfermedades Infecciosas y Microbiología Clínica
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