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https://www.readbyqxmd.com/read/28448603/evaluation-of-immunogenicity-and-protective-efficacy-of-recombinant-outer-membrane-proteins-of-haemophilus-parasuis-serovar-5-in-a-murine-model
#1
Miao Li, Ru-Jian Cai, Shuai Song, Zhi-Yong Jiang, Yan Li, Hong-Chao Gou, Pin-Pin Chu, Chun-Ling Li, Hua-Ji Qiu
Glässer's disease is an economically important infectious disease of pigs caused by Haemophilus parasuis. Few vaccines are currently available that could provide effective cross-protection against various serovars of H. parasuis. In this study, five OMPs (OppA, TolC, HxuC, LppC, and HAPS_0926) identified by bioinformatic approaches, were cloned and expressed as recombinant proteins. Antigenicity of the purified proteins was verified through Western blotting, and primary screening for protective potential was evaluated in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28448211/prevalence-and-geographic-distribution-of-vector-borne-pathogens-in-apparently-healthy-dogs-in-croatia
#2
Vladimir Mrljak, Josipa Kuleš, Željko Mihaljević, Marin Torti, Jelena Gotić, Martina Crnogaj, Tatjana Živičnjak, Iva Mayer, Iva Šmit, Mangesh Bhide, Renata Barić Rafaj
Vector-borne pathogens (VBPs) are a group of globally extended and quickly spreading pathogens that are transmitted by various arthropod vectors. The aim of the present study was to investigate the seroprevalence against Babesia canis, Anaplasma phagocytophilum, Borrelia burgdorferi sensu lato, Leishmania infantum, Dirofilaria immitis, and Ehrlichia canis in dogs in Croatia. We investigated 435 randomly selected apparently healthy dogs in 13 different locations of Croatia for antibodies to B. canis by indirect immunofluorescence using a commercial IFA IgG Antibody Kit...
April 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28448206/mycoplasma-pulmonis-of-rodents-as-a-possible-human-pathogen
#3
Tomasz Piasecki, Klaudia Chrzastek, Urszula Kasprzykowska
Mycoplasma pulmonis is a naturally occurring respiratory pathogen in rodents. To date, this pathogen was not isolated from humans. This study aimed to evaluate the prevalence and seropositivity to M. pulmonis in humans who have had direct contact with rats. Moreover, the prevalence of M. pulmonis in pet and laboratory rats was assessed. Overall, 131 and 235 oropharyngeal swab samples were collected from human individuals and rats, respectively. In humans, M. pulmonis was detected by PCR in 21 of 86 pet rat keepers (24...
April 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28447743/binding-of-circulating-anti-muc1-antibody-and-serum-muc1-antigen-in-stage-iv-breast-cancer
#4
Yan Tang, Xiuxia Cui, Han Xiao, Shengkun Qi, Xiaoping Hu, Qiong Yu, Guang Shi, Xue Zhang, Jiaying Gu, Yongli Yu, Liying Wang, Yarong Li
The present study aimed to investigate the binding of circulating mucin 1 (MUC1) antibody with serum MUC1 antigen in stage IV breast cancer. Serum samples of 61 patients with stage IV breast cancer and 64 patients with early-stage breast cancer were collected. The anti‑MUC1 antibody (IgG) and MUC1 antigen (cancer antigen 15‑3; Ca15‑3) were detected using an indirect enzyme-linked immunosorbent assay (I‑ELISA) and ELISA, respectively. The MUC1 IgG affinity was detected using a urea degradation combining ELISA...
March 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28446848/seroepidemiology-study-of-cytomegalovirus-and-rubella-among-pregnant-women-at-st-paul-s-hospital-millennium-medical-college-addis-ababa-ethiopia
#5
Mamuye Yeshwondm, Nigatu Balkachew, Bekele Delayehu, Getahun Mekonen
BACKGROUND: Maternal cytomegalovirus (CMV) and rubella infections have adverse neonatal outcomes. Both CMV and rubella are more widespread in developing countries and in communities with lower socioeconomic status. The aim of this study was to investigate sero-prevalence of CMV and rubella infection and associated possible risk factors. METHOD: Using cross sectional study design a total of 200 pregnant women were consecutively recruited starting from June and July 2014...
September 2016: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28445879/cytokine-and-chemokine-profiles-in-patients-with-neuromyelitis-optica-spectrum-disorder
#6
Yuge Wang, Yifan Zhou, Xiaobo Sun, Tingting Lu, Lei Wei, Ling Fang, Chen Chen, Qiao Huang, Xueqiang Hu, Zhengqi Lu, Lisheng Peng, Wei Qiu
OBJECTIVE: To screen cytokines and chemokines and determine their dynamic changes in the serum and cerebrospinal fluid (CSF) of patients with neuromyelitis optica spectrum disorder (NMOSD). METHODS: Eight NMOSD with seropositive aquaporin-4 antibody (AQP4-IgG) were enrolled, as well as 8 matched patients with multiple sclerosis (MS) and 8 with noninflammatory neurological diseases, who were included as controls. In total, 102 cytokines and 34 chemokines were detected in the CSF and serum of NMOSD patients and controls...
April 27, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28445760/determining-the-spatial-relationship-of%C3%A2-membrane-bound-aquaporin-4-autoantibodies-by-sted-nanoscopy
#7
John N Soltys, Stephanie A Meyer, Hannah Schumann, Emily A Gibson, Diego Restrepo, Jeffrey L Bennett
Determining the spatial relationship of individual proteins in dense assemblies remains a challenge for superresolution nanoscopy. The organization of aquaporin-4 (AQP4) into large plasma membrane assemblies provides an opportunity to image membrane-bound AQP4 antibodies (AQP4-IgG) and evaluate changes in their spatial distribution due to alterations in AQP4 isoform expression and AQP4-IgG epitope specificity. Using stimulated emission depletion nanoscopy, we imaged secondary antibody labeling of monoclonal AQP4-IgGs with differing epitope specificity bound to isolated tetramers (M1-AQP4) and large orthogonal arrays of AQP4 (M23-AQP4)...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28444792/a-computational-approach-to-study-functional-monomer-protein-molecular-interactions-to-optimize-protein-molecular-imprinting
#8
R Boroznjak, J Reut, A Tretjakov, A Lomaka, A Öpik, V Syritski
Molecular imprinting has become a promising approach for synthesis of polymeric materials having binding sites with a predetermined selectivity for a given analyte, the so-called molecularly imprinted polymers (MIPs), which can be used as artificial receptors in various application fields. Realization of binding sites in a MIP involves the formation of prepolymerization complexes between a template molecule and monomers, their subsequent polymerization, and the removal of the template. It is believed that the strength of the monomer-template interactions in the prepolymerization mixture influences directly on the quality of the binding sites in a MIP and consequently on its performance...
April 26, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28441952/management-of-suspected-primary-toxoplasma-gondii-infection-in-pregnant-women-in-norway-twenty-years-of-experience-of-amniocentesis-in-a-low-prevalence-population
#9
Gry Findal, Anne Helbig, Guttorm Haugen, Pål A Jenum, Babill Stray-Pedersen
BACKGROUND: Primary infection with Toxoplasma gondii during pregnancy may pose a threat to the fetus. Women infected prior to conception are unlikely to transmit the parasite to the fetus. If maternal serology indicates a possible primary infection, amniocentesis for toxoplasma PCR analysis is performed and antiparasitic treatment given. However, discriminating between primary and latent infection is challenging and unnecessary amniocenteses may occur. Procedure-related fetal loss after amniocentesis is of concern...
April 26, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28438869/correlation-between-expression-of-the-cancer-testis-antigen-kk-lc-1-and-helicobacter-pylori-infection-in-gastric-cancer
#10
Takashi Fukuyama, Nobue Futawatari, Yoshinobu Ichiki, Akiko Shida, Taiga Yamazaki, Yatsushi Nishi, Hiroshi Nonoguchi, Yoshihito Takahashi, Hitoshi Yamazaki, Noritada Kobayashi
BACKGROUND/AIM: Our previous study indicated that Kita-kyushu lung cancer antigen-1 (KK-LC-1) is a cancer/testis antigen (CTA) expressed in 82% of gastric cancer cases. Here, we investigated the relationship between KK-LC-1 expression and Helicobacter pylori infection in Japanese patients with gastric cancer. PATIENTS AND METHODS: We examined CTA expression in 25 surgical gastric cancer specimens and anti-H. pylori IgGs in the serum of each patient. RESULTS: KK-LC-1 was expressed in 80% of tumor samples, markedly higher than melanoma antigen gene (MAGE)-A1, MAGE-A3, MAGE-A4, synovial sarcoma, X breakpoint 4 (SSX4) and New York esophageal squamous cell carcinoma-1 (NY-ESO-1)...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28438539/recurrent-acute-rhinosinusitis-prevention-by-azithromycin-in-children-with-nonallergic-rhinitis
#11
Jittima Veskitkul, Patcharaporn Wongkaewpothong, Tanita Thaweethamchareon, Kitirat Ungkanont, Nualanong Visitsunthorn, Punchama Pacharn, Pakit Vichyanond, Orathai Jirapongsananuruk
BACKGROUND: Recurrent acute rhinosinusitis (RARS) is characterized by multiple episodes of acute rhinosinusitis between which symptoms and signs resolve completely. The role of antibiotic prophylaxis to prevent RARS in children with nonallergic rhinitis (NAR) has not been investigated. OBJECTIVE: To evaluate the effect of azithromycin to prevent RARS in children with NAR. METHODS: A randomized, double-blind, placebo-controlled study was conducted in NAR children (5-15 years) with RARS...
April 21, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28437803/prevalence-of-helicobacter-pylori-infection-among-blood-donors-in-saxony-anhalt-germany-a-region-at-intermediate-risk-for-gastric-cancer
#12
Caspar Franck, Armin Hoffmann, Alexander Link, Christian Schulz, Kerstin Wuttig, Elke Becker, Marcell Heim, Marino Venerito, Peter Malfertheiner
Background In the federal state of Saxony-Anhalt, gastric cancer (GC) incidence ranks among the highest in Germany. Helicobacter pylori prevalence is a surrogate marker for GC risk in a given population. In 2010 we reported an H. pylori seroprevalence of 44.4 % in patients at the emergency ward of the University Hospital of Magdeburg, the capital of Saxony-Anhalt. Our aim is to update these findings in a cohort of healthy blood donors from the same region. Materials and methods The sera of 516 consecutive blood donors (40...
April 24, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28434742/endocrine-and-metabolic-changes-in-transition-dairy-cows-are-affected-by-prepartum-infusions-of-a-serotonin-precursor
#13
Lorenzo E Hernández-Castellano, Laura L Hernandez, Helga Sauerwein, Rupert M Bruckmaier
Serotonin (5-HT) has been shown to be involved in calcium homeostasis, modulating calcium concentration in blood. In addition, 5-HT participates in a variety of metabolic pathways, mainly through the modulation of glucose and lipid metabolism. The hypothesis of the present study was that the prepartum administration of 5-hydroxy-l-tryptophan (5-HTP), a 5-HT precursor, would affect endocrine systems related to calcium homeostasis, and interact with other endocrine and metabolic pathways during the transition period...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434689/early-childhood-transmission-of-hepatitis-b-prior-to-the-first-hepatitis-b-vaccine-dose-is-rare-among-babies-born-to-hiv-infected-and-non-hiv-infected-mothers-in-gulu-uganda
#14
E Seremba, J P Van Geertruyden, R Ssenyonga, C K Opio, J M Kaducu, J B Sempa, R Colebunders, P Ocama
BACKGROUND: Hepatitis B (HBV) in sub-Saharan Africa is believed to be horizontally acquired. However, because of the high HBV prevalence in northern Uganda, no hepatitis B vaccination at birth and no access to HBV immunoglobulin, we hypothesize that vertical transmission also could also play an important role. We therefore investigated the incidence of HBV among babies presenting for their first HBV vaccine dose in Gulu, Uganda. METHODS: We recruited mothers and their babies (at least 6-week old) presenting for their postnatal care and first HBV vaccine dose respectively...
April 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28433574/serodiagnosis-of-toxoplasmosis-the-effect-of-measurement-of-igg-avidity-in-pregnant-women-in-rabat-in-morocco
#15
Majda Laboudi, Abderrahim Sadak
BACKGROUND: The diagnosis of toxoplasmosis in pregnant women during the early first trimester of pregnancy is very important for preventing congenital infection of the fetus; it will not only prevent the risk of transmitting the infection to the fetus but it will also enable to give these women a preventive treatment. In this study, the avidity test was performed on pregnant women during their first prenatal visit at the National Institute of Hygiene in Rabat, Morocco. FINDINGS: One hundred and twenty-eight sera samples were collected from 128 pregnant women between august 2015 and June 2016; these women were chosen retrospectively and were in their first 4 months of pregnancy...
April 19, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28433405/epidemiology-of-toxoplasma-gondii-among-blood-donors-in-iran-a-systematic-review-and-meta-analysis
#16
REVIEW
Akram Mansouri, Mohammad Reza Adhami Mojarad, Gholamreza Badfar, Lila Abasian, Shoboo Rahmati, Wesam Kooti, Mohammad Hossein YektaKooshali, Ali Soleymani, Milad Azami
INTRODUCTION: Asymptomatic Toxoplasma gondii transmitted from blood donors to receiving patients has become a concern. Numerous articles have been published on the epidemiology of T. gondii in blood donors in Iran and a systematic review of the results shows quite different findings, hence this study was conducted to determine the seroprevalence of T. gondii in Iranian blood donors using meta-analysis. METHODS: We searched for epidemiological studies that were published until July 2016 in eight English databases including: Scopus, PubMed, Ovid, Science Direct, Cochrane, Web of Science, Springer, Wiley Online Library, and four Iranian databases: Magiran, Iranmedex, SID and Medlib as well as Google Scholar...
March 29, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28432833/cellular-and-humoral-immunity-after-vaccination-or-natural-infection-of-mumps
#17
Kihei Terada, Kimiko Hagihara, Tomohiro Oishi, Ippei Miyata, Hiroto Akaike, Satoko Ogita, Naoki Ohno, Kazunobu Ouchi
OBJECTIVE: This study measured cell-mediated immunity (CMI) and serum antibody levels to clarify the basis of breakthrough after vaccination and reinfection after mumps. METHODS: From a pool of 54 college students, 17 seronegative subjects and 14 subjects with intermediate levels of antibodies against mumps were vaccinated with a monovalent mumps vaccine and CMI was assessed using an interferon-γ release assay. RESULTS: CMI positivity in subjects classified by pre-existing antibody levels, which gave groups with titers of <2...
April 22, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28430750/elevated-immune-response-among-children-4-years-of-age-with-pronounced-local-adverse-events-after-the-fifth-dtap-vaccination
#18
Saskia van der Lee, Jeanet M Kemmeren, Lia G H de Rond, Kemal Öztürk, Anneke Westerhof, Hester E de Melker, Elisabeth A M Sanders, Guy A M Berbers, Nicoline A T van der Maas, Hans C Rümke, Anne-Marie Buisman
BACKGROUND: In the Netherlands, acellular pertussis vaccines replaced the more reactogenic whole-cell pertussis vaccines. This replacement in the primary immunization schedule of infants coincided with a significant increase in pronounced local adverse events (AEs) in 4 years old children shortly after the administration of a fifth diphtheria, tetanus, acellular pertussis and inactivated polio (DTaP-IPV) vaccine. The objective of this study was to investigate possible differences in vaccine antigen-specific immune responses between children with and without a pronounced local AE after the fifth DTaP-IPV vaccination...
April 19, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28428349/toll-like-receptor-4-mediates-hemorrhagic-transformation-after-delayed-tissue-plasminogen-activator-administration-in-in-situ-thromboembolic-stroke
#19
Alicia García-Culebras, Sara Palma-Tortosa, Ana Moraga, Isaac García-Yébenes, Violeta Durán-Laforet, Maria I Cuartero, Juan de la Parra, Ana L Barrios-Muñoz, Jaime Díaz-Guzmán, Jesús M Pradillo, María A Moro, Ignacio Lizasoain
BACKGROUND AND PURPOSE: Hemorrhagic transformation is the main complication of revascularization therapies after stroke. Toll-like receptor 4 (TLR4) is implicated in cerebral damage and inflammation in stroke. This study was designed to determine the role of TLR4 in hemorrhagic transformation development after tissue plasminogen activator (tPA) administration. METHODS: Mice expressing (TLR4(+/+)) or lacking functional TLR4 (TLR4(-)(/-)) were subjected to middle cerebral artery occlusion using an in situ thromboembolic model by thrombin injection into the middle cerebral artery, and tPA (10 mg/kg) was administered 20 minutes or 3 hours after ischemia...
April 20, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28426700/southern-tunisia-a-still-high-endemicity-area-for-hepatitis-a
#20
Houcine Neffatti, Patricia Lebraud, Corinne Hottelet, Jawher Gharbi, Taieb Challouf, Anne-Marie Roque-Afonso
BACKGROUND: Hepatitis A (HAV) and E (HEV) viruses are responsible for enterically transmitted hepatitis. Tunisia is reported to be of intermediate endemicity for HAV and of low seroprevalence for HEV; however, data from rural areas of South Tunisia are lacking. METHODS: Sera from 216 asymptomatic pregnant women and from 92 patients with acute hepatitis were collected between October 2014 and November 2015. Total and IgM anti-HAV immunoglobulins and anti-HEV IgG and IgM were investigated...
2017: PloS One
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