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https://www.readbyqxmd.com/read/28345962/immune-responses-to-vaccination-and-infection-with-mycoplasma-gallisepticum-in-turkeys
#1
Dinidu S Wijesurendra, Anna Kanci, Kelly A Tivendale, Joanne M Devlin, Nadeeka K Wawegama, Barbara Bacci, Amir H Noormohammadi, Philip F Markham, Glenn F Browning
Infection with Mycoplasma gallisepticum induces severe lymphoproliferative lesions in multiple sites along the respiratory tract in chickens and turkeys. These immunopathological responses have been well-characterised in chickens, but have not been studied closely in turkeys. The aim of the studies described here was to examine the immune responses of turkeys after live vaccination and infection with M. gallisepticum. In a strain comparison study, the mean log10 antibody titre of birds exposed to an aerosol culture of M...
March 27, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28341111/generation-characterization-and-immunogenicity-of-a-novel-chimeric-recombinant-protein-based-on-plasmodium-vivax-ama-1-and-msp119
#2
Mariana Vilela Rocha, Kátia Sanches Françoso, Luciana Chagas Lima, Tarsila Mendes Camargo, Ricardo L D Machado, Fabio T M Costa, Laurent Rénia, Francois Nosten, Bruce Russell, Mauricio M Rodrigues, Irene S Soares
Plasmodium vivax is the most widely distributed malaria species and the most prevalent species of malaria in America and Asia. Vaccine development against P. vivax is considered a priority in the global program for the eradication of malaria. Earlier studies have characterized the Apical Membrane Antigen 1 (AMA-1) ectodomain and the C-terminal region (19kDa) of the Merozoite Surface Protein 1 (MSP-1) of P. vivax as immunodominant antigens. Based on this characterization, we designed a chimeric recombinant protein containing both merozoite immunodominant domains (PvAMA166-MSP119)...
March 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28339502/histological-and-anatomical-structure-of-the-nasal-cavity-of-bama-minipigs
#3
Jingjing Yang, Lei Dai, Qinghua Yu, Qian Yang
OBJECTIVE: The nasal mucosa is equipped with abundant lymphatic tissues, serving as the first line of defense against invasion by microorganisms. In this study, we characterized the features of the nasal mucosa of Bama minipigs (Sus scrofa domestica) via histological analysis. METHODS: Five cross sections (I, II, III, IV, and V) were obtained from the distal end of the nasal cavity toward the pharynx (along the cavity axis) and examined. Specifically, CD3+ T cells, immunoglobulin A (IgA)+ cells, and M cells were detected by immunohistochemistry, while dendritic cells (DCs) were detected by immunofluorescence...
2017: PloS One
https://www.readbyqxmd.com/read/28335818/genotype-distribution-characteristics-of-multiple-human-papillomavirus-in-women-from-the-taihu-river-basin-on-the-coast-of-eastern-china
#4
Jing-Fen Lu, Guo-Rong Shen, Qiong Li, Xu Chen, Chun-Fang Ma, Tong-Hua Zhu
BACKGROUND: There is limited data on the genotype distribution of human papillomavirus (HPV) in the Taihu River Basin, home to 1.29 million people on the coast of eastern China. This study evaluated the prevalence and genotypes among different female age groups in this region. METHODS: Twenty-six HPV strains (low-risk HPV 6, 11, 40, 42, 44, 61, 73 and high-risk HPV 16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 53, 55, 56, 58, 59, 66, 68, 82, and 83) were detected using Tellgenplex™ HPV technology in samples obtained from three clinical hospitals located in different regions of the Taihu Lake Basin...
March 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28333945/environmental-reservoirs-of-pathogenic-mycobacteria-across-the-ethiopian-biogeographical-landscape
#5
Hayley C King, Tanya Khera-Butler, Phillip James, Brian B Oakley, Girume Erenso, Abraham Aseffa, Rob Knight, Elizabeth M Wellington, Orin Courtenay
The Mycobacterium genus comprises over one-hundred-and-fifty recognised species, the majority of which reside in the environment and many of which can be pathogenic to mammals. Some species of environmental mycobacteria may interfere with BCG vaccination efficacy and in tuberculin test interpretation. Examining biogeographic trends in the distribution of members of the mycobacteria across a number of physicochemical and spatial gradients in soil and water environments across Ethiopia using oligotyping identified differential distributions of pathogenic and significant species...
2017: PloS One
https://www.readbyqxmd.com/read/28332070/a-review-on-prevalence-control-measure-and-tolerance-of-tanzania-shorthorn-zebu-cattle-to-east-coast-fever-in-tanzania
#6
E L K Laisser, S W Chenyambuga, E D Karimuribo, G Msalya, M J Kipanyula, A J Mwilawa, R H Mdegela, L J M Kusiluka
In Tanzania, control of East Coast fever (ECF) has predominantly relied on tick control using acaricides and chemotherapy, little on ECF vaccination, and very little on dissemination regarding animal immunization. In this paper, the prevalence, control measure, and tolerance of Tanzania Shorthorn Zebu (TSHZ) cattle to ECF are reviewed. In addition, the opportunities available for reducing the use of acaricides for the benefit of the farmers in terms of reduction of costs of purchasing acaricides and environmental pollution are described...
March 22, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28328957/differential-effects-of-deae-negative-mode-chromatography-and-gel-filtration-chromatography-on-the-charge-status-of-helicobacter-pylori-neutrophil-activating-protein
#7
Zhi-Wei Hong, Yu-Chi Yang, Timothy Pan, Huey-Fen Tzeng, Hua-Wen Fu
Helicobacter pylori neutrophil-activating protein (HP-NAP) is involved in H. pylori-associated gastric inflammation. HP-NAP is also a vaccine candidate, a possible drug target, and a potential diagnostic marker for H. pylori-associated diseases. Previously, we purified recombinant HP-NAP by one-step diethylaminoethyl (DEAE) negative mode chromatography by collecting the unbound fraction at pH 8.0 at 4°C. It remains unclear why HP-NAP does not bind to DEAE resins at the pH above its isoelectric point during the purification...
2017: PloS One
https://www.readbyqxmd.com/read/28328521/human-papillomavirus-first-and-second-generation-vaccines-current-status-and-future-directions
#8
Somayeh Pouyanfard, Martin Müller
It has been more than 10 years that the first prophylactic papillomavirus vaccine became available, although distribution has been mainly limited to the more affluent countries. The first two vaccines have been a great success, hundreds of millions of women and a much smaller number of men have been vaccinated ever since. In a few countries with high vaccination coverage, in particular Australia but also parts of Great Britain and others, clinical impact of vaccination programs is already visible and there are indications for herd immunity as well...
March 22, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28325903/whole-genome-analysis-of-human-papillomavirus-types-16-18-and-58-isolated-from-cervical-precancer-and-cancer-samples-in-chinese-women
#9
Ying Liu, Yaqi Pan, Weijiao Gao, Yang Ke, Zheming Lu
Human papillomavirus (HPV) types 16, 18 and 58 are ranked the top three high-risk HPV types for cervical intraepithelial neoplasia (CIN) and invasive carcinoma. We aimed to evaluate the diversity of HPV16, HPV18, and HPV58 genetic variants by HPV capture technology combined with next generation sequencing. 295, 73, and 148 variations were observed in 51 HPV16, 7 HPV18, and 11 HPV58 genomes, respectively. HPV16 isolates were predominantly of the A variant lineage, and sublineage A4 (Asian) was the most common...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325769/analysis-of-anti-influenza-virus-neuraminidase-antibodies-in-children-adults-and-the-elderly-by-elisa-and-enzyme-inhibition-evidence-for-original-antigenic-sin
#10
Madhusudan Rajendran, Raffael Nachbagauer, Megan E Ermler, Paul Bunduc, Fatima Amanat, Ruvim Izikson, Manon Cox, Peter Palese, Maryna Eichelberger, Florian Krammer
Antibody responses to influenza virus hemagglutinin provide protection against infection and are well studied. Less is known about the human antibody responses to the second surface glycoprotein, neuraminidase. Here, we assessed human antibody reactivity to a panel of N1, N2, and influenza B virus neuraminidases in different age groups, including children, adults, and the elderly. Using enzyme-linked immunosorbent assays (ELISA), we determined the breadth, magnitude, and isotype distribution of neuraminidase antibody responses to historic, current, and avian strains, as well as to recent isolates to which these individuals have not been exposed...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28322122/a-survey-of-wisconsin-pediatricians-knowledge-and-practices-regarding-the-human-papillomavirus-vaccine
#11
Marc R Rohrbach, Aaron M Wieland
Objective The human papillomavirus (HPV) is common and carries a significant burden of disease. This is increasingly apparent in males with the rising incidence of HPV-related oropharyngeal cancer. Unfortunately, vaccination rates remain poor and are lowest in males. It is unclear if pediatricians are aware of the alarming rise of HPV-mediated head and neck cancers and the disproportionate effect on males. Study Design This investigation used a cross-sectional descriptive survey research design. Setting The survey was developed by investigators in the University of Wisconsin Division of Otolaryngology...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28321367/evaluation-of-procedures-for-typing-of-group-b-streptococcus-a-retrospective-study
#12
Hans-Christian Slotved, Steen Hoffmann
BACKGROUND: This study evaluates two procedures for typing of Streptococcus agalactiae (group B streptococci; GBS) isolates, using retrospective typing data from the period 2010 to 2014 with a commercial latex agglutination test (latex test) and the Lancefield precipitation test (LP test). Furthermore, the genotype distribution of phenotypically non-typable (NT) GBS isolates is presented. We also raise the awareness, that the difference in typing results obtained by phenotypical methods and genotype based methods may have implications on vaccine surveillance in case a GBS vaccine is introduced...
2017: PeerJ
https://www.readbyqxmd.com/read/28320591/minimal-association-of-alleles-of-human-leukocyte-antigen-class-ii-gene-and-long-term-antibody-response-to-hepatitis-b-vaccine-vaccinated-during-infancy
#13
Biyun Xu, Dongmei Zhu, Yongchun Bi, Yangyang Wang, Yali Hu, Yi-Hua Zhou
BACKGROUND: The human leukocyte antigen (HLA) system plays critical roles in regulating immune responses to various vaccines. This study aimed to evaluate the association of HLA class II gene polymorphisms and the long-term duration of anti-HBs response in children vaccinated against hepatitis B during infancy. METHODS: Totally 297 children 5-7years after the completion of primary vaccination against hepatitis B in infancy, without booster immunization or natural resolved infection, were enrolled...
March 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28320411/human-rotavirus-strains-circulating-in-venezuela-after-vaccine-introduction-predominance-of-g2p-4-and-reemergence-of-g1p-8
#14
Esmeralda Vizzi, Oscar A Piñeros, M Daniela Oropeza, Laura Naranjo, José A Suárez, Rixio Fernández, José L Zambrano, Argelia Celis, Ferdinando Liprandi
BACKGROUND: Rotavirus (RV) is the most common cause of severe childhood diarrhea worldwide. Despite Venezuela was among the first developing countries to introduce RV vaccines into their national immunization schedules, RV is still contributing to the burden of diarrhea. Concerns exist about the selective pressure that RV vaccines could exert on the predominant types and/or emergence of new strains. RESULTS: To assess the impact of RV vaccines on the genotype distribution 1 year after the vaccination was implemented, a total of 912 fecal specimens, collected from children with acute gastroenteritis in Caracas from February 2007 to April 2008, were screened, of which 169 (18...
March 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28320263/duck-virus-enteritis-duck-plague-a-comprehensive-update
#15
Kuldeep Dhama, Naveen Kumar, Mani Saminathan, Ruchi Tiwari, Kumaragurubaran Karthik, M Asok Kumar, M Palanivelu, Muhammad Zubair Shabbir, Yashpal Singh Malik, Raj Kumar Singh
Duck virus enteritis (DVE), also called duck plague, is one of the major contagious and fatal diseases of ducks, geese and swan. It is caused by duck enteritis virus (DEV)/Anatid herpesvirus-1 of the genus Mardivirus, family Herpesviridae, and subfamily Alpha-herpesvirinae. Of note, DVE has worldwide distribution, wherein migratory waterfowl plays a crucial role in its transmission within and between continents. Furthermore, horizontal and/ or vertical transmission plays a significant role in disease spread through oral-fecal discharges...
December 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28318472/antimicrobial-resistance-penicillin-binding-protein-sequences-and-pilus-islet-carriage-in-relation-to-clonal-evolution-of-streptococcus-pneumoniae-serotype-19a-in-russia-2002-2013
#16
N Mayanskiy, T Savinova, N Alyabieva, O Ponomarenko, E Brzhozovskaya, A Lazareva, L Katosova, R Kozlov
Clonal changes of serotype 19A pneumococci have been appreciated in conjunction with growing prevalence of this serotype after implementation of the seven-valent pneumococcal conjugate vaccine (PCV7). In the present study, we characterized serotype 19A pneumococci collected in Russia within a decade preceding the implementation of PCV vaccination and described their clonal evolution. We retrospectively analyzed non-invasive serotype 19A isolates collected in 2002-2013. All isolates were subjected to multilocus sequence typing, antimicrobial susceptibility testing, determination of macrolide resistance genotype, molecular detection of pilus islet (PI) carriage, sequencing of penicillin-binding protein (PBP) genes...
March 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28317027/the-type-a-and-type-b-polysaccharide-capsules-predominate-in-an-international-collection-of-invasive-kingella-kingae-isolates
#17
Eric A Porsch, Kimberly F Starr, Pablo Yagupsky, Joseph W St Geme
Kingella kingae is an encapsulated Gram-negative bacterium and an important etiology of osteoarticular infections in young children. A recent study examining a diverse collection of carrier and invasive K. kingae isolates from Israel revealed four distinct polysaccharide capsule types. In this study, to obtain a global view of K. kingae capsule type diversity, we examined an international collection of isolates using a multiplex PCR approach. The collection contained all four previously identified capsule types and no new capsule types...
March 2017: MSphere
https://www.readbyqxmd.com/read/28314288/prevalence-of-cervical-infection-and-genotype-distribution-of-human-papilloma-virus-among-females-in-da-nang-vietnam
#18
Song Nguyen VAN, Minh Nguyen Khac, Jan Dimberg, Andreas Matussek, Anna J Henningsson
AIM: The goal of the present study was to determine the prevalence and distribution of high-risk human papilloma virus (HPV) genotypes in women from two districts in and around Da Nang city, Vietnam. MATERIALS AND METHODS: All participants were randomly selected, 200 from the Hai Chau district and 200 from the Son Tra district. The detection and genotyping of HPV were performed by real-time polymerase chain reaction (PCR) technique. RESULTS: Out of a total of 400 women, we found that 38 (9...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28303592/trend-of-measles-mumps-and-rubella-incidence-following-the-measles-rubella-catch-up-vaccination-in-the-republic-of-korea-2001
#19
Young June Choe, Hye-Eun Eom, Sung-Il Cho
Following the introduction of measles-rubella (MR) catch-up vaccination in 2001 and two dose measles-mumps-rubella (MMR2) keep-up program in 2002, the incidence of measles, mumps and rubella was not evaluated systematically. To describe the recent changes in epidemiology, a population based incidence study from 2001 to 2015 using national notifiable disease surveillance data was conducted. Between 2001 and 2015, there was decrease in the incidence of measles and rubella, whereas a steady increase in mump incidence was noted...
March 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28301593/knowledge-attitudes-and-practices-of-south-african-healthcare-workers-regarding-the-prevention-and-treatment-of-influenza-among-hiv-infected-individuals
#20
Jazmin Duque, Sisanda Gaga, David Clark, Madeleine Muller, Bulenani Kuwane, Cheryl Cohen, Sibongile Walaza, Stefano Tempia, Puleng Ramatoboe, Tsakani Furumele, Marc-Alain Widdowson, Meredith L McMorrow, Adam L Cohen
BACKGROUND: The South African Department of Health (DOH) publishes annual guidelines identifying priority groups, including immunosuppressed individuals and healthcare workers (HCW), for influenza vaccination and treatment. How these guidelines have impacted HCW and their patients, particularly those infected with HIV, remains unknown. METHODS: We aimed to describe the knowledge, attitudes and practices regarding influenza and the vaccine among South African HCW...
2017: PloS One
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