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https://www.readbyqxmd.com/read/28098813/reverse-vaccinology-an-approach-for-identifying-leptospiral-vaccine-candidates
#1
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
#2
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
#3
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
#4
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
#5
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)...
December 8, 2016: 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
#6
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
#7
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
#8
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
#9
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
#10
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...
October 3, 2016: Expert Review of Vaccines
https://www.readbyqxmd.com/read/27650465/preliminary-evaluation-of-a-dual-antigen-elisa-to-distinguish-vaccinated-from-leptospira-infected-horses
#11
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
#12
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 2 wk before the anticipated calving date, both hind quarters of all cows were challenged with 100 cfu of live E...
September 13, 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
#13
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
#14
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
#15
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
#16
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
#17
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
https://www.readbyqxmd.com/read/27466864/stem-cells-in-spine-surgery
#18
Kenneth K Hansraj
INTRODUCTION: Spine surgeons are embracing advanced biologic technologies in an attempt to help millions of people achieve a better outcome in spine surgery. These new technologies may be complicated to understand, partly because the contribution of different types of cells has not been definitively identified. This paper describes the characteristics of the stem cells used in spine surgery, including their actions and possible complications. The description necessitates an overview of all studies to date on the use of stem cells in spine surgery, as well as other cells used in cellular therapy...
July 29, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27457188/lactococcus-garvieae-outbreaks-in-brazilian-farms-lactococcosis-in-pseudoplatystoma-sp-development-of-an-autogenous-vaccine-as-a-control-strategy
#19
H C S Fukushima, C A G Leal, R B Cavalcante, H C P Figueiredo, S Arijo, M A Moriñigo, M Ishikawa, R C Borra, M J T Ranzani-Paiva
This study evaluated the control of streptococcosis outbreaks in Brazil, isolated from diseased sorubim and identified as Lactococcus garvieae by genetic sequencing. This report determined the potential for lactococcosis control in sorubim Pseudoplatystoma sp. with two vaccines: an aqueous-based, whole-cell inactivated vaccine (bacterin) and an oil-adjuvanted bacterin. Their efficacy was evaluated at 30 days post-vaccination (d.p.v.) by challenge with L. garvieae, and the antibody production response at 15, 30 and 60 d...
July 26, 2016: Journal of Fish Diseases
https://www.readbyqxmd.com/read/27404564/antigen-uptake-during-different-life-stages-of-zebrafish-danio-rerio-using-a-gfp-tagged-yersinia-ruckeri
#20
Rozalia Korbut, Foojan Mehrdana, Per Walter Kania, Marianne Halberg Larsen, Dorte Frees, Inger Dalsgaard, Louise von Gersdorff Jørgensen
Immersion-vaccines (bacterins) are routinely used for aquacultured rainbow trout to protect against Yersinia ruckeri (Yr). During immersion vaccination, rainbow trout take up and process the antigens, which induce protection. The zebrafish was used as a model organism to study uptake mechanisms and subsequent antigen transport in fish. A genetically modified Yr was developed to constitutively express green fluorescent protein (GFP) and was used for bacterin production. Larval, juvenile and adult transparent zebrafish (tra:nac mutant) received a bath in the bacterin for up to 30 minutes...
2016: PloS One
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