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https://www.readbyqxmd.com/read/29154192/resveratrol-attenuates-testicular-apoptosis-in-type-1-diabetic-mice-role-of-akt-mediated-nrf2-activation-and-p62-dependent-keap1-degradation
#1
Yuguang Zhao, Wenjing Song, Zhenyu Wang, Zongqiang Wang, Xing Jin, Jiancheng Xu, Ling Bai, Yuying Li, Jiuwei Cui, Lu Cai
Infertility is a common complication in diabetic men, mainly due to the loss of germ cells by apoptotic cell death. However, effective and safe approaches to prevent diabetic induction of testicular apoptosis for diabetic patients have not been available. Resveratrol (RSV), a group of compounds called polyphenols from plants, has been indicated its promising used clinically for cancers and cardiovascular diseases. Therefore, the present study aimed determining whether RSV attenuates type 1 diabetes (T1D)-induced testicular apoptotic cell death in a mouse model...
November 8, 2017: Redox Biology
https://www.readbyqxmd.com/read/29153150/enhancing-the-role-of-vaccines-in-combatting-antimicrobial-resistance
#2
Charles Clift, David M Salisbury
Interest in addressing antimicrobial resistance (AMR) has grown recently but little effort has been made to consider how existing and new vaccines could impact on AMR. A 2017 Chatham House meeting considered the role of vaccines and how to demonstrate their value through their impact on AMR. Ways existing vaccines have reduced antibiotic prescribing and the prevalence of some resistant organisms were reviewed. Other new vaccines could have a similar impact. In gonorrhoea, where complete resistance has developed, vaccine may be the best option...
December 4, 2017: Vaccine
https://www.readbyqxmd.com/read/29149778/the-changes-of-th17-treg-and-related-cytokines-il-17-il-23-il-10-and-tgf-%C3%AE-in-respiratory-syncytial-virus-bronchiolitis-rat-model
#3
Meng Gao, Liang-Xiao Liu, Fu-Ling Wu, Xuejing Zhang, Ying-Ying Li, Tao Shi, De-Zhi Li, Ting-Ting Han
Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis and hospitalization that lead to high morbidity and mortality among young infants. T helper 17 (Th17) cells and regulatory T cells (Tregs) play essential roles in the pathogenesis of autoimmune, cancer, and inflammatory diseases. However, whether changes in T-cell subsets are related to the systemic immune responses in RSV-caused bronchiolitis merit further investigation. Three-week-old Sprague Dawley (SD) rats were randomly divided into the normal control (NC) and RSV bronchiolitis (RSV-B) groups...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149439/trends-in-utilization-of-outpatient-respiratory-syncytial-virus-prophylaxis-with-palivizumab-among-medicaid-and-commercially-insured-infants
#4
Melissa Pavilack, Robert A Clifford, Tara Gonzales, Amanda M Kong, Sally Wade, Kimmie K McLaurin
INTRODUCTION: Palivizumab is indicated for the prevention of respiratory syncytial virus (RSV) infection in high-risk children. Previous palivizumab utilization studies examined prior authorization claims but did not examine utilization within insured populations as a whole. This study describes outpatient palivizumab utilization trends and characterizes high-risk infants receiving palivizumab within Medicaid- and commercially insured populations. METHODS: Infants born July 1, 2003 through June 30, 2013 were identified in the MarketScan(®) Multistate Medicaid and Commercial claims databases...
November 17, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29149199/epidemiology-and-clinical-profile-of-pathogens-responsible-for-the-hospitalization-of-children-in-sousse-area-tunisia
#5
Ines Brini, Aida Guerrero, Naila Hannachi, Jihene Bouguila, Dorothea Orth-Höller, Amira Bouhlel, Lamia Boughamoura, Benjamin Hetzer, Wegene Borena, Britta Schiela, Dorothee Von Laer, Jalel Boukadida, Heribert Stoiber
This study aimed to identify a broad spectrum of respiratory pathogens from hospitalized and not-preselected children with acute respiratory tract infections in the Farhat Hached University-hospital of Sousse, Tunisia. Between September 2013 and December 2014, samples from 372 children aged between 1 month and 5 years were collected, and tested using multiplex real-time RT-PCR by a commercial assay for 21 respiratory pathogens. In addition, samples were screened for the presence of Streptococcus pneumoniae 16S rDNA using real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/29143374/asthma-and-lung-function-in-adulthood-after-a-viral-wheezing-episode-in-early-childhood
#6
Katri Backman, Hertta Ollikainen, Eija Piippo-Savolainen, Kirsi Nuolivirta, Matti Korppi
BACKGROUND: Viral etiology of infection has a significant role in the long-term outcome of early-childhood wheezing. OBJECTIVE: This study examines asthma and lung function in adulthood after early-childhood wheezing induced by respiratory syncytial virus (RSV) and rhinovirus (RV). METHODS: A total of 100 children were hospitalized for a wheezing episode at less than 24 months of age from 1992 to 1993 in Kuopio University Hospital (Finland)...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29142177/perinatal-exposure-to-tetrabromobisphenol-a-tbbpa-a-brominated-flame-retardant-exacerbated-the-pneumonia-in-respiratory-syncytial-virus-rsv-infected-offspring-mice
#7
Wataru Watanabe, Akihiko Hirose, Tomomi Takeshita, Seiko Hashiguchi, Kentaro Sakata, Katsuhiko Konno, Aki Miyauchi, Toshi Akashi, Hiroki Yoshida, Chihiro Sugita, Masahiko Kurokawa
To investigate the effects of perinatal exposure to tetrabromobisphenol A (TBBPA), a brominated flame retardant, on the immune system, a respiratory syncytial virus (RSV) infection mouse model was utilized. Female mice were exposed to TBBPA mixed with the diet from 10 days after conception to weaning on postnatal day 21. Offspring mice were infected intranasally with A2 strain of RSV. Although no general toxicological sign was observed, the pulmonary viral titers of offspring mice exposed to 0.1% TBBPA were significantly increased compared with the control on day 5 post-infection...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29142048/accurate-pcr-detection-of-influenza-a-b-and-rsv-using-the-cepheid-xpert-flu-rsv-xpress-assay-in-point-of-care-settings-comparison-to-prodesse-proflu
#8
Daniel M Cohen, Jennifer Kline, Larissa S May, Glenn Eric Harnett, Jane Gibson, Stephen Y Liang, Zubaid Rafique, Carina A Rodriguez, Kevin M McGann, Charlotte A Gaydos, Donna Mayne, David Phillips, Jason Cohen
The Xpert Flu+RSV Xpress Assay is a fast, automated in vitro diagnostic test for qualitative detection and differentiation of influenza A, B, and RSV performed on the Cepheid GeneXpert Xpress System. The objective of this study was to establish performance characteristics of the Xpert Flu+RSV Xpress Assay compared to the Prodesse ProFlu+ real-time RT-PCR assay (ProFlu+) for the detection of influenza A and B as well as RSV in a CLIA-waived (CW) setting. Overall, the assay, using fresh and frozen nasopharyngeal (NP) swabs, demonstrated high concordance with ProFlu+ in the combined CW and non-CW settings with Positive Percent Agreements (PPA) (100%, 100%, 97...
November 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29141771/use-of-a-rapid-reverse-transcription-recombinase-aided-amplification-assay-for-respiratory-syncytial-virus-detection
#9
Chen Chen, Xin-Na Li, Gui-Xia Li, Li Zhao, Su-Xia Duan, Teng-Fei Yan, Zhi-Shan Feng, Xue-Jun Ma
In this study, a rapid reverse-transcription recombinase aided amplification (RT-RAA) assay was developed to detect respiratory syncytial virus (RSV) subgroups A and B, respectively. The reaction was performed at 39°C in less than 30min. The analytical sensitivities of RSVA and RSVB at 95% probability by probit regression analysis were 38copies per reaction and 35 copies per reaction, respectively, and no cross reactions with other related respiratory viruses were observed. The RT-RAA assay was further utilized to detect and subgroup 306 clinical specimens and the results showed that 79(25...
October 14, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29131392/virus-detection-in-critically-ill-children-with-acute-respiratory-disease-a-new-profile-in-view-of-new-technology
#10
Atsushi Kawaguchi, Angela Bates, Bonita E Lee, Steven Drews, Daniel Garros
AIM: To describe the epidemiology of critically ill children admitted to a pediatric intensive care unit (PICU) with acute respiratory disease. The association with intubation was analyzed for the three most prevalent viruses and in those with and without viral co-infection. METHODS: Patients admitted to the PICU (2004 - 2014) with acute respiratory disease were included. Analyses were performed utilizing each respiratory viral infection or multiple viral infections as an exposure...
November 13, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29130355/adherence-and-outcomes-a-systematic-review-of-palivizumab-utilization
#11
Sophie K Wong, Abby Li, Krista L Lanctôt, Bosco Paes
Palivizumab is a humanized monoclonal antibody used for respiratory syncytial virus (RSV) prophylaxis. RSV is the primary cause of lower respiratory tract infection in children aged <2 years, and can give rise to high-burden hospitalization and respiratory complications in later life. Adherence to a monthly dosing regimen, both in timing and injection number, is essential to sustain therapeutic levels of palivizumab and maintain protective status. Deviation from the approved dosing schedule may reduce the efficacy of palivizumab and increase the risk of breakthrough RSV infection and hospitalization...
November 13, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29125563/effects-of-resveratrol-against-lung-cancer-in-vitro-and-in-vivo-studies
#12
REVIEW
Michael Yousef, Ioannis A Vlachogiannis, Evangelia Tsiani
Uncontrolled cell growth and resistance to apoptosis characterize cancer cells. These two main features are initiated in cancer cells through mutations in key signaling molecules, which regulate pathways that are directly involved in controlling cell proliferation and apoptosis. Resveratrol (RSV), a naturally occurring plant polyphenol, has been shown to have biological effects counteracting different diseases. It has been found to provide cardio-protective, neuro-protective, immuno-modulatory, and anti-cancer health benefits...
November 10, 2017: Nutrients
https://www.readbyqxmd.com/read/29123203/respiratory-syncytial-virus-exacerbates-ova-mediated-asthma-in-mice-through-c5a-c5ar-regulating-cd4-t-cells-immune-responses
#13
Xinyue Hu, Xiaozhao Li, Chengping Hu, Ling Qin, Ruoxi He, Lisha Luo, Wei Tang, Juntao Feng
Asthma exacerbation could be induced by respiratory syncytial virus (RSV), and the underlying pathogenic mechanism is related to complement activation. Although complement might regulate CD4(+)T cells immune responses in asthma model, this regulation existed in RSV-induced asthma model remains incompletely characterrized. In this study, we assessed the contribution of C5a-C5aR to CD4(+)T cell immune responses in RSV-infected asthma mice. Female BALB/C mice were sensitized and challenged with ovalbumin (OVA) while treated with RSV infection and C5a receptor antagonist (C5aRA) during challenge period...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122797/association-between-respiratory-syncytial-viral-disease-and-the-subsequent-risk-of-the-first-episode-of-severe-asthma-in-different-subgroups-of-high-risk-australian-children-a-whole-of-population-based-cohort-study
#14
Nusrat Homaira, Nancy Briggs, Christopher Pardy, Mark Hanly, Ju-Lee Oei, Lisa Hilder, Barbara Bajuk, Kei Lui, William Rawlinson, Tom Snelling, Adam Jaffe
OBJECTIVE: To determine the contribution of respiratory syncytial virus (RSV) to the subsequent development of severe asthma in different subgroups of children at risk of severe RSV disease. SETTINGS: The study was conducted in New South Wales (NSW), Australia. PARTICIPANTS: The study comprised all children born in NSW between 2000 and 2010 with complete follow-up till 31 December 2011. The cohort was divided into three subgroups: (1) non-Indigenous high-risk children: non-Indigenous children born preterm or born with a low birth weight; (2) Indigenous children: children of mothers whose Indigenous status was recorded as Aboriginal and/or Torres Strait Islander and (3) non-Indigenous standard risk children: all other non-Indigenous term children...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29122495/up-regulation-of-serum-periostin-and-squamous-cell-carcinoma-antigen-levels-in-infants-with-acute-bronchitis-due-to-respiratory-syncytial-virus
#15
Hiroaki Nakamura, Kenichi Akashi, Masako Watanabe, Shoichiro Ohta, Junya Ono, Yoshinori Azuma, Noriko Ogasawara, Keisuke Yamamoto, Norikazu Shimizu, Hiroyuki Tsutsumi, Kenji Izuhara, Toshio Katsunuma
BACKGROUND: Periostin and squamous cell carcinoma antigen (SCCA) are involved in the pathogenesis of asthma. Acute bronchitis due to respiratory syncytial virus (RSV) infection during infancy exhibits an asthma-like pathogenesis, suggesting that it may be associated with the subsequent development of asthma. However, the mechanism by which RSV infection leads to development of asthma has not yet been fully elucidated. METHODS: Infants younger than 36 months were enrolled and classified into three groups...
November 6, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29121080/respiratory-syncytial-virus-elicits-enriched-cd8-t-lymphocyte-responses-in-lung-compared-with-blood-in-african-green-monkeys
#16
Hualin Li, Cheryl Callahan, Michael Citron, Zhiyun Wen, Sinoeun Touch, Morgan A Monslow, Kara S Cox, Daniel J DiStefano, Kalpit A Vora, Andrew Bett, Amy Espeseth
Respiratory syncytial virus (RSV) is a leading cause of serious lower respiratory tract disease in young children and older adults throughout the world. Prevention of severe RSV disease through active immunization is optimal but no RSV vaccine has been licensed so far. Immune mechanisms of protection against RSV infection in humans have not been fully established, thus a comprehensive characterization of virus-specific immune responses in a relevant animal model will be beneficial in defining correlates of protection...
2017: PloS One
https://www.readbyqxmd.com/read/29118126/respiratory-syncytial-virus-rsv-targeting-the-g-protein-provides-a-new-approach-for-an-old-problem
#17
Ralph A Tripp, Ultan F Power, Peter J M Openshaw, Lawrence M Kauvar
Respiratory syncytial virus (RSV) is a major cause of lower respiratory tract infection (LRTI) annually affecting >2 million children in the US <5 years old. In the elderly (>65 years old), RSV results in ∼175,000 hospitalizations annually in the US with worldwide incidence ∼34 million. There is no approved RSV vaccine and treatments are limited. Recently, a Phase 3 trial in the elderly using a recombinant RSV F protein vaccine failed to meet its efficacy objectives, namely prevention of moderate-to-severe RSV-associated LRTI and reduced incidence of acute respiratory disease...
November 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29117524/cholesterol-promotes-protein-binding-by-affecting-membrane-electrostatics-and-solvation-properties
#18
Milka Doktorova, Frederick A Heberle, Richard L Kingston, George Khelashvili, Michel A Cuendet, Yi Wen, John Katsaras, Gerald W Feigenson, Volker M Vogt, Robert A Dick
Binding of the retroviral structural protein Gag to the cellular plasma membrane is mediated by the protein's matrix (MA) domain. Prominent among MA-PM interactions is electrostatic attraction between the positively charged MA domain and the negatively charged plasma membrane inner leaflet. Previously, we reported that membrane association of HIV-1 Gag, as well as purified Rous sarcoma virus (RSV) MA and Gag, depends strongly on the presence of acidic lipids and is enhanced by cholesterol (Chol). The mechanism underlying this enhancement was unclear...
November 7, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/29115050/localization-of-the-t-cell-response-to-rsv-infection-is-altered-in-infant-mice
#19
Katherine M Eichinger, Jessica L Kosanovich, Kerry M Empey
OBJECTIVES: Respiratory syncytial virus (RSV) is a leading cause of lower respiratory tract infections worldwide, causing disproportionate morbidity and mortality in infants and children. Infants with stronger Th1 responses have less severe disease, yet little is known about the infant T-cell response within the air space. Thus, we tested the hypothesis that RSV infected infant mice would have quantitative and qualitative deficiencies in CD4(+) and CD8(+) T-cell populations isolated from the bronchoalveolar lavage when compared to adults and that local delivery of IFN-γ would increase airway CD4(+) Tbet(+) and CD8(+) Tbet(+) T-cell responses...
November 8, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29112722/on-the-relative-role-of-different-age-groups-during-epidemics-associated-with-respiratory-syncytial-virus
#20
Edward Goldstein, Hieu H Nguyen, Patrick Liu, Cecile Viboud, Claudia A Steiner, Colin J Worby, Marc Lipsitch
Background: While circulation of respiratory syncytial virus (RSV) results in high rates of hospitalization, particularly among young children and the elderly, little is known about the role of different age groups in propagating annual RSV epidemics. Methods: We evaluate the roles played by individuals in different age groups during RSV epidemics in the US between 2001-2012 using the previously defined relative risk (RR) statistic estimated for hospitalization data from the Healthcare Cost and Utilization Project (HCUP)...
November 3, 2017: Journal of Infectious Diseases
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