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https://www.readbyqxmd.com/read/29353415/investigation-of-lactic-acid-bacteria-isolated-from-giant-panda-feces-for-potential-probiotics-in-vitro
#1
Qian Liu, Xueqin Ni, Qiang Wang, Zhirong Peng, Lili Niu, Meiling Xie, Yicen Lin, Yi Zhou, Hao Sun, Kangcheng Pan, Bo Jing, Dong Zeng
The present study aimed to isolate an optimal lactic acid bacterial strain from the feces of healthy giant pandas. The strain exhibited good stability at low pH and high bile salt concentrations, activity against pathogens relevant to pandas, and antibiotic susceptibility. In the current study, 25 isolates were obtained from de Man, Rogosa, and Sharpe agar. Two (E21 and G83) and eight (E1, E2, E16, E18, E21, E69, E70, and G83) isolates demonstrated good performance at pH 2.0 and bile 2% (w/v), respectively...
January 20, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29353387/inter-individual-variation-in-health-and-disease-associated-with-pulmonary-infectious-agents
#2
Kirsten C Verhein, Heather L Vellers, Steven R Kleeberger
Respiratory infectious diseases resulting from bacterial or viral pathogens such as Mycobacterium tuberculosis, Streptococcus pneumoniae, respiratory syncytial virus (RSV), or influenza, are major global public health concerns. Lower respiratory tract infections are leading causes of morbidity and mortality, only behind ischemic heart disease and stroke (GBD 2015 LRI Collaborators in Lancet Infect Dis 17(11):1133-1161, 2017). Developing countries are particularly impacted by these diseases. However, while many are infected with viruses such as RSV (> 90% of all individuals are infected by age 2), only sub-populations develop severe disease...
January 20, 2018: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/29353378/secular-trends-in-the-appropriateness-of-empirical-antibiotic-treatment-in-patients-with-bacteremia-a-comparison-between-three-prospective-cohorts
#3
Vered Daitch, Yulia Akayzen, Yasmin Abu-Ghanem, Noa Eliakim-Raz, Mical Paul, Leonard Leibovici, Dafna Yahav
The objective of this study was to explore whether the percentage of inappropriate empirical antibiotic treatment in patients with bacteremia changed over time and to understand the factors that brought on the change. Three prospective cohorts of patients with bacteremia in three different periods (January 1st, 1988 to December 31st, 1989; May 1st, 2004 to November 30, 2004; May 1st, 2010 to April 30, 2011) were compared. Analysis was performed on a total of 811 patients. In 2010-2011, 55.9% (76/136) of patients with bacteremia received inappropriate empirical treatment, compared with 34...
January 20, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29353364/testosterone-and-proactive-reactive-aggression-in-youth-the-moderating-role-of-harsh-discipline
#4
Frances R Chen, Adrian Raine, Douglas A Granger
This study tests a biosocial model of the link between testosterone and proactive-reactive aggression in youth at varying levels of harsh discipline. Given that proactive aggression is used to gain power and status and the importance of social learning in its formation, we hypothesized that testosterone would be associated with proactive aggression at higher levels of harsh discipline, and that this relationship would be more pronounced in boys than girls. Participants (n = 445; 50% male; M age = 11...
January 20, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29353306/toxoplasma-gondii-antigen-sag2a-differentially-modulates-il-1%C3%AE-expression-in-resistant-and-susceptible-murine-peritoneal-cells
#5
Jamilly Azevedo Leal-Sena, Jane Lima Dos Santos, Thaise Anne Rocha Dos Santos, Edson Mário de Andrade, Tiago Antônio de Oliveira Mendes, Juliano Oliveira Santana, Tiago Wilson Patriarca Mineo, José Roberto Mineo, Jair Pereira da Cunha-Júnior, Carlos Priminho Pirovani
The cell surface of Toxoplasma gondii is covered by antigens (SAGs) from the SRS family anchored by glycosylphosphatidylinositol (GPI) and includes antigens from the SAG2 family. Among these, the SAG2A surface antigen shows great potential in activating humoral responses and has been used in characterizing the acute phase of infection and in the serological diagnosis of toxoplasmosis. In this study, we aimed to evaluate rSAG2A-induced proteins in BALB/c and C57BL/c mice macrophages and to evaluate the phenotypic polarization induced in the process...
January 20, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29353218/sulforaphane-prevents-angiotensin-ii-induced-cardiomyopathy-by-activation-of-nrf2-via-stimulating-the-akt-gsk-3%C3%A3-fyn-pathway
#6
Ying Xin, Yang Bai, Xin Jiang, Shanshan Zhou, Yuehui Wang, Kupper A Wintergerst, Taixing Cui, Honglei Ji, Yi Tan, Lu Cai
AIMS: Activation of nuclear factor erythroid 2-related factor 2 (Nrf2) by sulforaphane (SFN) protects from, and deletion of the Nrf2 gene exaggerates, diabetic cardiomyopathy. Angiotensin II (Ang II) plays a critical role in the development of diabetic cardiomyopathy. Therefore, whether SFN prevents Ang II-induced cardiomyopathy through activation of Nrf2 was examined using wild-type, global deletion of Nrf2 gene (Nrf2-KO) and cardiomyocyte-specific overexpression of Nrf2 gene (Nrf2-TG) mice...
January 2, 2018: Redox Biology
https://www.readbyqxmd.com/read/29353103/taking-the-heat-or-taking-the-temperature-a-qualitative-study-of-a-large-scale-exercise-in-seeking-to-measure-for-improvement-not-blame
#7
Natalie Armstrong, Liz Brewster, Carolyn Tarrant, Ruth Dixon, Janet Willars, Maxine Power, Mary Dixon-Woods
Measurement of quality and safety has an important role in improving healthcare, but is susceptible to unintended consequences. One frequently made argument is that optimising the benefits from measurement requires controlling the risks of blame, but whether it is possible to do this remains unclear. We examined responses to a programme known as the NHS Safety Thermometer (NHS-ST). Measuring four common patient harms in diverse care settings with the goal of supporting local improvement, the programme explicitly eschews a role for blame...
January 2, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29352990/low-socioeconomic-condition-and-the-risk-of-dengue-fever-a-direct-relationship
#8
Elaine Cristina Farinelli, Oswaldo Santos Baquero, Celso Stephan, Francisco Chiaravalloti-Neto
This study aimed to characterize the first dengue fever epidemic in Várzea Paulista, São Paulo, Brazil, and its spatial and spatio-temporal distribution in order to assess the association of socioeconomic factors with dengue occurrence. We used autochthonous dengue cases confirmed in a 2007 epidemic, the first reported in the city, available in the Information System on Diseases of Compulsory Declaration database. These cases where geocoded by address. We identified spatial and spatio-temporal clusters of high- and low-risk dengue areas using scan statistics...
January 15, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29352979/evaluation-of-sheep-ovarian-tissue-cryopreserved-by-slow-freezing-or-vitrificaton-after-chick-embryo-chorioallantoic-membrane-transplantation
#9
Mahboubeh Vatanparast, Mohammad Ali Khalili, Nahid Yari, Marjan Omidi, Mehdi Mohsenzadeh
The aim of our investigations was to compare the effectiveness of two methods for cryopreservation of sheep ovarian tissue, slow freezing and vitrification. The quality of cryopreserved tissues was evaluated after 5 days of thawing and chorioallantoic membrane (CAM) transplantation. Follicular structure, stromal integrity and neovascularization were assessed. The areas of fibrosis and necrosis were measured using MICROVISIBLE software, and proliferation was assessed with Ki-67 immunostaning. After 5 days of culture, the proportion of primordial follicles decreased, whereas the primary and intermediary follicles increased insignificantly (p > ...
January 15, 2018: Cryobiology
https://www.readbyqxmd.com/read/29352852/associations-between-the-slc22a12-gene-and-gout-susceptibility-a-meta-analysis
#10
Yao Zou, Jinfeng Du, Yantong Zhu, Xi Xie, Jinwei Chen, Guanghui Ling
OBJECTIVES: The aim of this study is to explore whether the polymorphisms of rs475688 and rs3825016 in the solute carrier family 22 member 12 (SLC22A12) gene are associated with the susceptibility to gout or hyperuricaemia. METHODS: Relevant studies were enrolled by searching databases systematically. The pooled odds ratios (ORs) with 95% confidence interval (CI) were used to evaluate the associations. Q-test and I2 statistics were used to evaluate the heterogeneity...
January 15, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352811/single-nucleotide-polymorphisms-in-genes-encoding-penicillin-binding-proteins-in-%C3%AE-lactamase-negative-ampicillin-resistant-haemophilus-influenzae-in-japan
#11
Kazuhisa Misawa, Norihito Tarumoto, Shinsuke Tamura, Morichika Osa, Takaaki Hamamoto, Atsushi Yuki, Yuji Kouzaki, Kazuo Imai, Runtuwene Lucky Ronald, Toshiyuki Yamaguchi, Takashi Murakami, Shigefumi Maesaki, Yutaka Suzuki, Akihiko Kawana, Takuya Maeda
OBJECTIVE: β-Lactamase-negative ampicillin-resistant Haemophilus influenzae is a common opportunistic pathogen of hospital- and community-acquired infections, harboring multiple single nucleotide polymorphisms in the ftsI gene, which codes for penicillin-binding protein-3. The objectives of this study were to perform comprehensive genetic analyses of whole regions of the penicillin-binding proteins in H. influenzae and to identify additional single nucleotide polymorphisms related to antibiotic resistance, especially to ampicillin and other cephalosporins...
January 20, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29352607/integrated-lung-tissue-mechanics-one-piece-at-a-time-computational-modeling-across-the-scales-of-biology
#12
REVIEW
Kelly S Burrowes, Amin Iravani, Wendy Kang
The lung is a delicately balanced and highly integrated mechanical system. Lung tissue is continuously exposed to the environment via the air we breathe, making it susceptible to damage. As a consequence, respiratory diseases present a huge burden on society and their prevalence continues to rise. Emergent function is produced not only by the sum of the function of its individual components but also by the complex feedback and interactions occurring across the biological scales - from genes to proteins, cells, tissue and whole organ - and back again...
January 12, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29352564/optical-metabolic-imaging-of-irradiated-rat-heart-exposed-to-ischemia-reperfusion-injury
#13
Mette Funding la Cour, Shima Mehrvar, James S Heisner, Mohammad Masoudi Motlagh, Meetha Medhora, Mahsa Ranji, Amadou K S Camara
Whole thoracic irradiation (WTI) is known to cause deterioration in cardiac function. Whether irradiation predisposes the heart to further ischemia and reperfusion (IR) injury is not well known. The aim of this study is to examine the susceptibility of rat hearts to IR injury following a single fraction of 15 Gy WTI and to investigate the role of mitochondrial metabolism in the differential susceptibility to IR injury. After day 35 of irradiation, ex vivo hearts from irradiated and nonirradiated rats (controls) were exposed to 25-min global ischemia followed by 60-min IR, or hearts were perfused without IR for the same protocol duration [time controls (TC)]...
January 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29352517/mirna-binding-site-variants-of-type-2-diabetes-candidate-loci-predispose-to-gestational-diabetes-mellitus-in-chinese-han-women
#14
Xiaojing Wang, Wei Li, Liangkun Ma, Fan Ping, Juntao Liu, Xueyan Wu, Jiangfeng Mao, Xi Wang, Min Nie
AIMS/INTRODUCTION: Emerging evidence suggested that the genetic background of GDM was analogous to T2DM. In contrast to T2DM, the genetic studies for GDM were limited. Accordingly, the aim of this study was to extensively explore the influence of miR-binding-SNPs in T2DM candidate loci on GDM susceptibility in Chinese. METERIALS AND METHODS: A total of 839 GDM and 900 controls were enrolled. Six miR-binding-SNPs were selected from 30 T2DM susceptibility loci and genotyped using TaqMan allelic discrimination assays...
January 20, 2018: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29352469/amoxicillin-current-use-in-swine-medicine
#15
REVIEW
D G S Burch, D Sperling
Amoxicillin has become a major antimicrobial substance in pig medicine for the treatment and control of severe, systemic infections such as Streptococcus suis. The minimum inhibitory concentration 90% (MIC 90) is 0.06 μg amoxicillin/ml, and the proposed epidemiological cut-off value (ECOFF) is 0.5 μg/ml, giving only 0.7% of isolates above the ECOFF or of reduced susceptibility. Clinical breakpoints have not been set for amoxicillin against porcine pathogens yet, hence the use of ECOFFs. It has also been successfully used for bacterial respiratory infections caused by Actinobacillus pleuropneumoniae and Pasteurella multocida...
January 19, 2018: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29352462/effect-of-methyl-salicylate-in-combination-with-1-methylcyclopropene-on-postharvest-quality-and-decay-caused-by-botrytis-cinerea-in-tomato-fruit
#16
Dedong Min, Fujun Li, Xinhua Zhang, Pan Shu, Xixi Cui, Lulu Dong, Chuntao Ren, Demei Meng, Jian Li
BACKGROUND: Postharvest diseases result in major losses in fruits. Tomato is susceptible to postharvest rot caused by B. cinerea and is regarded as a good model system to study postharvest disease and quality deterioration in fruit. To develop a safe and effective technique to alleviate disease and maintain fruit quality, the effects of methyl salicylate (MeSA) or 1-methylcyclopropene (1-MCP) either separately or combined on quality and gray mold caused by B. cinerea in tomato fruit were investigated...
January 20, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29352323/identification-of-a-molecular-marker-tightly-linked-to-bacterial-wilt-resistance-in-tomato-by-genome-wide-snp-analysis
#17
Boyoung Kim, In Sun Hwang, Hyung Jin Lee, Je Min Lee, Eunyoung Seo, Doil Choi, Chang-Sik Oh
Genotyping of disease resistance to bacterial wilt in tomato by a genome-wide SNP analysis Bacterial wilt caused by Ralstonia pseudosolanacearum is one of the destructive diseases in tomato. The previous studies have identified Bwr-6 (chromosome 6) and Bwr-12 (chromosome 12) loci as the major quantitative trait loci (QTLs) contributing to resistance against bacterial wilt in tomato cultivar 'Hawaii7996'. However, the genetic identities of two QTLs have not been uncovered yet. In this study, using whole-genome resequencing, we analyzed genome-wide single-nucleotide polymorphisms (SNPs) that can distinguish a resistant group, including seven tomato varieties resistant to bacterial wilt, from a susceptible group, including two susceptible to the same disease...
January 19, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29352267/differential-susceptibility-of-striatal-hippocampal-and-cortical-neurons-to-caspase-6
#18
Anastasia Noël, Libin Zhou, Bénédicte Foveau, P Jesper Sjöström, Andréa C LeBlanc
Active cysteinyl protease Caspase-6 is associated with early Alzheimer and Huntington diseases. Higher entorhinal cortex and hippocampal Caspase-6 levels correlate with lower cognitive performance in aged humans. Caspase-6 induces axonal degeneration in human primary neuron cultures and causes inflammation and neurodegeneration in mouse hippocampus, and age-dependent memory impairment. To assess whether Caspase-6 causes damage to another neuronal system, a transgenic knock-in mouse overexpressing a self-activated form of Caspase-6 five-fold in the striatum, the area affected in Huntington disease, and 2...
January 19, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29352245/av2-protein-of-tomato-leaf-curl-palampur-virus-promotes-systemic-necrosis-in-nicotiana-benthamiana-and-interacts-with-host-catalase2
#19
Poonam Roshan, Aditya Kulshreshtha, Surender Kumar, Rituraj Purohit, Vipin Hallan
Tomato leaf curl Palampur virus (ToLCPalV) is a whitefly-transmitted, bipartite begomovirus. Here, we demonstrated that ectopic expression of AV2 from a Potato virus X (PVX)-based vector accelerated systemic necrosis and reactive oxygen species (ROS) accumulation in Nicotiana benthamiana. Furthermore, 10 amino acids from N-terminal region of AV2 were found to be associated with the systemic necrosis symptom/phenotype. Mutational studies of ToLCPalV infectious clones lacking the AV2 revealed that AV2 is essential for the systemic movement of DNA-A, symptom severity and viral DNA accumulation...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352209/evaluating-street-view-exposure-measures-of-visible-green-space-for-health-research
#20
Andrew Larkin, Perry Hystad
Urban green space, or natural environments, are associated with multiple physical and mental health outcomes. Several proposed pathways of action for these benefits (e.g., stress reduction and attention restoration) require visual perception of green space; however, existing green space exposure measures commonly used in epidemiological studies do not capture street-scale exposures. We downloaded 254 Google Street View (GSV) panorama images from Portland, Oregon and calculated percent of green in each image, called Green View Index (GVI)...
January 19, 2018: Journal of Exposure Science & Environmental Epidemiology
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