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https://www.readbyqxmd.com/read/28194450/assessment-of-the-adjuvant-activity-of-mesoporous-silica-nanoparticles-in-recombinant-mycoplasma-hyopneumoniae-antigen-vaccines
#1
Veridiana Gomes Virginio, Natalia Costantin Bandeira, Fernanda Munhoz Dos Anjos Leal, Marcelo Lancellotti, Arnaldo Zaha, Henrique Bunselmeyer Ferreira
The adjuvant potential of two mesoporous silica nanoparticles (MSNs), SBa-15 and SBa-16, was assessed in combination with a recombinant HSP70 surface polypeptide domain from Mycoplasma hyopneumoniae, the etiological agent of porcine enzootic pneumonia (PEP). The recombinant antigen (HSP70212-600), previously shown as immunogenic in formulation with classic adjuvants, was used to immunize BALB/c mice in combination with SBa-15 or SBa-16 MSNs, and the effects obtained with these formulations were compared to those obtained with alum, the adjuvant traditionally used in anti-PEP bacterins...
January 2017: Heliyon
https://www.readbyqxmd.com/read/28182704/subunit-vaccine-candidates-against-aeromonas-salmonicida-in-rainbow-trout-oncorhynchus-mykiss
#2
Moonika Haahr Marana, Louise von Gersdorff Jørgensen, Jakob Skov, Jiwan Kumar Chettri, Andreas Holm Mattsson, Inger Dalsgaard, Per Walter Kania, Kurt Buchmann
Aeromonas salmonicida subsp. salmonicida is the etiological agent of furunculosis and a major fish health problem in salmonid aquaculture worldwide. Injection vaccination with commercial mineral oil-adjuvanted bacterin vaccines has been partly successful in preventing the disease but in Danish rainbow trout (Oncorhynchus mykiss, Walbaum) aquaculture furunculosis outbreaks still occur. In this study we tested the efficacy of experimental subunit vaccines against A. salmonicida infection in rainbow trout. We utilized in silico screening of the proteome of A...
2017: PloS One
https://www.readbyqxmd.com/read/28131383/transcutaneous-immunization-of-streptococcus-suis-bacterin-using-dissolving-microneedles
#3
Kai-Jen Hsueh, Mei-Chin Chen, Li-Ting Cheng, Jai-Wei Lee, Wen-Bin Chung, Chun-Yen Chu
Vaccine delivery using microneedle (MN) patches is an easy, safe and painless alternative to traditional needle injections. In this study, we examined whether MN patches can enhance the efficacy of a Streptococcus suis serotype 2 (S. suis 2) vaccine in a mouse model. Results showed that MNs can reach 200-250μm into the skin, a depth beneficial for targeted delivery of antigens to antigen-presenting cells in the epidermis and dermis. Vaccination with prime-boost of MN induced higher levels of IgG2a antibody titer, T cell proliferation, and TH1 cytokines (IFN-γ and IL-12) as compared to intramuscular (IM) injection...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28098813/reverse-vaccinology-an-approach-for-identifying-leptospiral-vaccine-candidates
#4
REVIEW
Odir A Dellagostin, André A Grassmann, Caroline Rizzi, Rodrigo A Schuch, Sérgio Jorge, Thais L Oliveira, Alan J A McBride, Daiane D Hartwig
Leptospirosis is a major public health problem with an incidence of over one million human cases each year. It is a globally distributed, zoonotic disease and is associated with significant economic losses in farm animals. Leptospirosis is caused by pathogenic Leptospira spp. that can infect a wide range of domestic and wild animals. Given the inability to control the cycle of transmission among animals and humans, there is an urgent demand for a new vaccine. Inactivated whole-cell vaccines (bacterins) are routinely used in livestock and domestic animals, however, protection is serovar-restricted and short-term only...
January 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28088341/evaluation-of-an-in-house-indirect-elisa-for-detection-of-antibody-against-haemorrhagic-septicemia-in-asian-elephants
#5
Pallop Tankaew, Thawatchai Singh-La, Chatchote Titaram, Veerasak Punyapornwittaya, Preeyanat Vongchan, Takuo Sawada, Nattawooti Sthitmatee
Pasteurella multocida causes haemorrhagic septicemia in livestock and wild animals, including elephants. The disease has been reported in Asian elephants in India and Sri Lanka, but to date there have been no reported cases in Thailand. ELISA or indirect hemagglutination assays (IHA) have been demonstrated to be able to detect the antibody against the disease in cattle, but no data are available for elephants. The present study reports a novel in-house indirect ELISA for antibody detection of haemorrhagic septicemia in Asian elephants, and evaluates the sensitivity and specificity of the method using a Bayesian approach...
January 12, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28061775/immunization-with-streptococcus-suis-bacterin-plus-recombinant-sao-protein-in-sows-conveys-passive-immunity-to-their-piglets
#6
RANDOMIZED CONTROLLED TRIAL
Kai-Jen Hsueh, Li-Ting Cheng, Jai-Wei Lee, Yao-Chi Chung, Wen-Bin Chung, Chun-Yen Chu
BACKGROUND: Streptococcus suis (S. suis) causes arthritis, meningitis, septicemia, and sudden death in pigs and is also an zoonotic agent for humans. The present study demonstrated that immunization with recombinant Sao-L (surface antigen one-L, rSao-L) protein from a strain of S. suis serotype 2 in pigs was able to increase cross-serotype protection against S. suis serotype 1 and 2 challenge. Since weaning piglets are more susceptible to S. suis infections due to the stresses associated with weaning, prepartum immunization in sows may convey passive immunity to piglets and provide protection...
January 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/27993703/the-influence-of-concentration-of-inactivated-edwardsiella-tarda-bacterin-and-immersion-time-on-antigen-uptake-and-expression-of-immune-related-genes-in-japanese-flounder-paralichthys-olivaceus
#7
REVIEW
Yang Du, Xiaoqian Tang, Xiuzhen Sheng, Jing Xing, Wenbin Zhan
Our previous work has demonstrated that the immune response of Japanese flounder was associated with the concentration of formalin-inactivated Edwardsiella tarda and immersion time. In order to further investigate the influence of immersion vaccine dose and bath time on the antigen uptake, formalin-killed Edwardsiella tarda bacterin was prepared and adjusted to four concentrations (10(9), 10(8), 10(7), 10(6) cfu ml(-1)) for 30, 60 and 90 min immersion in Japanese flounder model, respectively. Absolute quantitative real-time PCR was employed to examine the bacterin uptake in gill, skin, spleen and kidney at 3 and 6 h post vaccination...
December 16, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27939551/antimicrobial-treatment-of-clinical-mastitis-in-the-eastern-united-states-the-influence-of-dairy-farmers-mastitis-management-and-treatment-behavior-and-attitudes
#8
J Kayitsinga, R L Schewe, G A Contreras, R J Erskine
To assess both the behaviors and social variables related to antimicrobial therapy for clinical mastitis, we sent a survey to 1,700 dairy farms in Michigan, Pennsylvania, and Florida in January and February 2013. The survey included questions related to 7 major areas: sociodemographic and farm characteristics, milking proficiency, milking systems, cow environment, infected cow monitoring and treatment, farm labor, and attitudes toward mastitis and related antimicrobial use. The overall response rate was 41% (21% in Florida, 39% in Michigan, and 45% in Pennsylvania)...
February 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/27938705/antibody-profiling-of-canine-igg-responses-to-the-ospc-protein-of-the-lyme-disease-spirochetes-supports-a-multivalent-approach-in-vaccine-and-diagnostic-assay-development
#9
Lee D Oliver, Christopher G Earnhart, DeLacy Virginia-Rhodes, Michael Theisen, Richard T Marconi
OspC performs essential functions during the enzootic cycle of the Lyme disease (LD) spirochetes. In this study, the specificity of antibody (Ab) responses to OspC was profiled to define the antigenic determinants during infection and after vaccination. Several OspC variants or 'types' were screened with serum from SNAP4Dx C6 positive dogs and with serum from rabbits hyperimmunized with OspC proteins. The OspC type-specific nature of the Ab response revealed that variable domains of OspC are immunodominant during infection and upon vaccination...
December 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27902896/the-efficacy-of-chitosan-adjuvanted-mycoplasma-gallisepticum-bacterin-in-chickens
#10
Arithat Limsatanun, Jiroj Sasipreeyajan, Somsak Pakpinyo
Mycoplasma gallisepticum (MG) is one of the major pathogens that cause respiratory signs in the poultry industry. To control MG infection, vaccination is the useful procedure. In this study, MG vaccine was developed by using the local Thai MG isolate (AHRL 20/52). Chitosan, a polysaccharide adjuvant derived from crustaceans, has been successfully used in various vaccines. The objectives of this study were to prepare MG bacterins by using chitosan, serving as an adjuvant, to determine protection against the field Thai MG isolate and to evaluate tissue reaction at the injection site...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27864157/the-effect-of-feed-based-vaccination-on-tilapia-farm-endemic-for-streptococcosis
#11
M S Ismail, M R Syafiq, A Siti-Zahrah, S Fahmi, H Shahidan, Y Hanan, M N A Amal, M Zamri Saad
A tilapia farm experiencing endemic streptococcosis was selected to study the effect of vaccination with a feed-based vaccine on naturally ocurring streptococcosis. A total of 9000 red tilapia, Oreochromis niloticus × Oreochromis mossambicus of 100 ± 20 g were divided into 9 cages. Fish of Group 1 in cages 1, 2 and 3 were not vaccinated. Group 2 in cages 4, 5 and 6 were vaccinated on days 0 and 14 (single booster) while Group 3 in cages 7, 8 and 9 were vaccinated on days 0, 14 and 42 (double booster)...
November 15, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27786163/evaluation-of-anti-erysipelothrix-rhusiopathiae-igg-response-in-bottlenose-dolphins-tursiops-truncatus-to-a-commercial-pig-vaccine
#12
Hendrik H Nollens, Luis G Giménez-Lirola, Todd R Robeck, Todd L Schmitt, Stacy DiRocco, Tanja Opriessnig
Erysipelothrix rhusiopathiae is the causative agent of erysipeloid in humans and of erysipelas in various animals, including bottlenose dolphins Tursiops truncatus, in which an infection has the potential to cause peracute septicemia and death. The purpose of this study was to evaluate the efficacy of using an off-label porcine (ER BAC PLUS®, Zoetis) E. rhusiopathiae bactrin in a bottlenose dolphin vaccination program by determining the anti-E. rhusiopathiae antibody levels in vaccinated dolphins over a 10 yr period...
October 27, 2016: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/27690686/vaccines-for-piscirickettsiosis-salmonid-rickettsial-septicaemia-srs-the-chile-perspective
#13
Kevin Maisey, Ruth Montero, Myron Christodoulides
Piscirickettsia salmonis (P. salmonis) is the aetiological bacterium of the contagious disease piscirickettsiosis or salmonid rickettsial septicaemia (SRS) and causes significant economic losses to aquaculture production in Chile. Current strategies to control infection are i) indiscriminate antibiotic use and ii) vaccination with predominantly P. salmonis bacterin vaccines that do not provide acceptable levels of protection against piscirickettsiosis. Areas covered: This review covers the basic biology of P...
March 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/27650465/preliminary-evaluation-of-a-dual-antigen-elisa-to-distinguish-vaccinated-from-leptospira-infected-horses
#14
S Velineni, J F Timoney
Immunogenic proteins of Leptospira interrogans serovar Pomona type kennewicki (Lk) including Sph1, LigA, Hsp15 and LipL45 (Qlp42) are up-regulated in infected horses but are undetectable or expressed in trace amounts on cultured organisms. In contrast, LipL32 is abundant on cultured Lk and elicits infection antibody responses. The aim of this study was to develop an ELISA based on LipL32 or Lk sonicate and host-induced proteins to differentiate vaccine from infection serum antibody. IgG specific for recombinant Sph1, LigA, Lk90 (LigA; 379-1225 a...
December 3, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27638260/intramammary-immunization-with-ultraviolet-killed-escherichia-coli-shows-partial-protection-against-late-gestation-intramammary-challenge-with-a-homologous-strain
#15
B Pomeroy, A Gurjar, A Sipka, S Klaessig, S Salmon, R Quesnell, Y H Schukken
The objective of this study was to evaluate the efficacy of intramammary immunization with UV-killed Escherichia coli ECC-Z on prevention of intramammary colonization after a challenge with a dose of the homologous E. coli ECC-Z live bacteria. A total of 10 cows were included in a study to evaluate the efficacy of intramammary immunization. All 10 cows received an intramammary immunization of 100 cfu of UV-killed E. coli ECC-Z bacteria into one hind quarter at the time of dry off. Approximately 2wk before the anticipated calving date, both hind quarters of all cows were challenged with 100 cfu of live E...
November 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27599938/streptococcus-iniae-cpsg-alters-capsular-carbohydrate-composition-and-is-a-cause-of-serotype-switching-in-vaccinated-fish
#16
Candice Heath, Christine M Gillen, Panagiotis Chrysanthopoulos, Mark J Walker, Andrew C Barnes
Streptococcus iniae causes septicaemia and meningitis in marine and freshwater fish wherever they are farmed in warm-temperate and tropical regions. Although serotype specific, vaccination with bacterins (killed bacterial cultures) is largely successful and vaccine failure occurs only occasionally through emergence of new capsular serotypes. Previously we showed that mutations in vaccine escapes are restricted to a limited repertoire of genes within the 20-gene capsular polysaccharide (cps) operon. cpsG, a putative UDP-galactose 4-epimerase, has three sequence types based on the insertion or deletion of the three amino acids leucine, serine and lysine in the substrate binding site of the protein...
September 25, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27593619/positive-correlation-between-aeromonas-salmonicida-vaccine-antigen-concentration-and-protection-in-vaccinated-rainbow-trout-oncorhynchus-mykiss-evaluated-by-a-tail-fin-infection-model
#17
M H Marana, J Skov, J K Chettri, B Krossøy, I Dalsgaard, P W Kania, K Buchmann
Rainbow trout, Oncorhynchus mykiss (Walbaum), are able to raise a protective immune response against Aeromonas salmonicida subsp. salmonicida (AS) following injection vaccination with commercial vaccines containing formalin-killed bacteria, but the protection is often suboptimal under Danish mariculture conditions. We elucidated whether protection can be improved by increasing the concentration of antigen (formalin-killed bacteria) in the vaccine. Rainbow trout juveniles were vaccinated by intraperitoneal (i...
September 5, 2016: Journal of Fish Diseases
https://www.readbyqxmd.com/read/27590421/a-vaccine-based-on-a-mutant-transferrin-binding-protein-b-of-haemophilus-parasuis-induces-a-strong-t-helper-2-response-and-bacterial-clearance-after-experimental-infection
#18
Sonia Martínez-Martínez, Rafael Frandoloso, Elías-Fernando Rodríguez-Ferri, María-José García-Iglesias, Claudia Pérez-Martínez, Álvaro Álvarez-Estrada, César-Bernardo Gutiérrez-Martín
This study aimed to characterize the type of immune response induced by an experimental vaccine based on a mutant Haemophilus parasuis transferrin binding protein (Tbp) B (Y167A) defective in its ability to bind porcine transferrin. Clinical and pathological signs, bacterial clearance, antibody response and the cytokine profile in alveolar macrophages and spleen after the vaccination and challenge of twenty-two colostrum-deprived pigs with 10(8) CFU of H. parasuis were analysed. Pigs vaccinated with Y167A were compared to those vaccinated with native TbpB (nTbpB), those treated with a commercial bacterin (CB) against Glässer's disease, those unvaccinated challenged (CH) and those unvaccinated unchallenged (UNCH) pigs...
October 15, 2016: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/27562800/the-effect-of-temperature-exposure-during-shipment-on-a-commercially-available-demineralized-bone-matrix-putty
#19
Mark Schallenberger, Helena Lovick, Jalane Locke, Todd Meyer, Gregory Juda
During August and September of 2013, temperature data loggers were shipped to and from an AATB accredited and FDA registered allograft tissue processing facility in Belgrade, MT (Bacterin International, Inc.) to five warm climate cities (Dallas, TX, El Paso, TX, New Orleans, LA, Phoenix, AZ, and Tampa, FL). Shipping data acquired from 72 independent shipments were analyzed to generate an assessment of temperature exposure, shipment times, and shipping event durations experienced during routine distribution...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27496747/effects-of-injectable-trace-minerals-on-humoral-and-cell-mediated-immune-responses-to-bovine-viral-diarrhea-virus-bovine-herpes-virus-1-and-bovine-respiratory-syncytial-virus-following-administration-of-a-modified-live-virus-vaccine-in-dairy-calves
#20
R A Palomares, D J Hurley, J H J Bittar, J T Saliki, A R Woolums, F Moliere, L J Havenga, N A Norton, S J Clifton, A B Sigmund, C E Barber, M L Berger, M J Clark, M A Fratto
Our objective was to evaluate the effect of an injectable trace mineral (ITM) supplement containing zinc, manganese, selenium, and copper on the humoral and cell mediated immune (CMI) responses to vaccine antigens in dairy calves receiving a modified-live viral (MLV) vaccine containing BVDV, BHV1, PI3V and BRSV. A total of 30 dairy calves (3.5 months of age) were administered a priming dose of the MLV vaccine containing BHV1, BVDV1 & 2, BRSV, PI3V, and an attenuated-live Mannheimia-Pasteurella bacterin subcutaneously (SQ)...
October 1, 2016: Veterinary Immunology and Immunopathology
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