Search results for: Bovine IgG ELISA (1 x 96 well)
#38143087 2023/12/22 To Up
Potent immunogenicity and neutralization of recombinant adeno-associated virus expressing the glycoprotein of severe fever with thrombocytopenia virus.
Severe fever with thrombocytopenia syndrome (SFTS) is an infectious disease caused by a tick-borne virus called severe fever with thrombocytopenia syndrome virus (SFTSV). In recent years, human infections through contact with ticks and through contact with the bodily fluids of infected dogs and cats have been reported; however, no vaccine is currently available. SFTSV has two glycoproteins (Gn and Gc) on its envelope, which are vaccine-target antigens involved in immunogenicity. In the present study, we constructed novel SFTS vaccine candidates using an adeno-associated virus (AAV) vector to transport the SFTSV glycoprotein genome. AAV vectors are widely used in gene therapy and their safety has been confirmed in clinical trials. Recently, AAV vectors have been used to develop influenza and SARS-CoV-2 vaccines. Two types of vaccines (AAV9-SFTSV Gn and AAV9-SFTSV Gc) carrying SFTSV Gn and Gc genes were produced. The expression of Gn and Gc proteins in HEK293T cells was confirmed by infection with vaccines. These vaccines were inoculated into mice, and the collected sera produced anti-SFTS antibodies. Furthermore, sera from AAV9-SFTSV Gn infected mice showed a potent neutralizing ability, similar to previously reported SFTS vaccine candidates that protected animals from SFTSV infection. These findings suggest that this vaccine is a promising candidate for a new SFTS vaccine.Toshiaki Shimoyama, Mami Oba, Hitoshi Takemae, Tsutomu Omatsu, Hideki Tani, Tetsuya Mizutani
2050 related Products with: Potent immunogenicity and neutralization of recombinant adeno-associated virus expressing the glycoprotein of severe fever with thrombocytopenia virus.
100 µg100ug100 10 1000550ug100 100ug Lyophilized1000100ug Lyophilized100 ug/vialRelated Pathways
#16475880 // To Up
Production and characterization of monoclonal antibodies against 17alpha-hydroxyprogesterone.
Hybridomas secreting monoclonal antibodies (MAbs) against 17alpha-hydroxyprogesterone (17OHP) have been generated. These MAbs are highly specific and have an affinity of 7-12 x 10(7) M(1). The hybridomas were obtained by fusion of spleen cells from immunized mice with mouse myeloma P3X63 Ag8.653 cells. The antigen used for immunization was 17OHP conjugated to bovine serum albumin (17OHP:BSA). Fused cells were plated and cloned in 96-well microtiter plates. Wells containing hybridomas were screened simultaneously for specific gamma globulin (IgG) and anti-17OHP activity using an enzyme-linked immunosorbent assay (ELISA)-based method, which is faster than the conventional radioimmunoassay (RIA) screening procedure. Limiting dilution methods were used to obtain single hybridoma clones producing MAb. The stable hybridomas secreting anti-17OHP MAbs were expanded into bioreactors or ascites fluid for large-scale production of the required antibodies. These MAbs will be used in the formulation of a 17OHP assay kit to screen for congenital adrenal hyperplasia (CAH) in local newborn human population.Heilly Chong, Swee Hung Cheah, M Ragavan, V T Johgalingam
1768 related Products with: Production and characterization of monoclonal antibodies against 17alpha-hydroxyprogesterone.
1 mg100.00 ug1 mg100.00 ug200.00 ug200 ug1 mg100.00 ug100 ug1 mg200 ug100.00 ugRelated Pathways
#9152634 // To Up
Competitive enzyme immunoassay for bovine growth hormone.
We developed an enzyme immunoassay (EIA) for bovine GH (bGH) which is based on indirect competitive immunoassay in culture medium from a bovine pituitary cell culture. 40 microliters cell culture samples (or bGH standard) and bGH antibody (rabbit anti-bGH) were added to the 96 well microplate coated with secondary antibody (Goat anti-rabbit IgG), and incubated for 24 h at 37 degrees C. Biotin-label bGH was added and incubated further for 24 h at 37 degrees C, and biotinylated bGH was linked with streptoavidin-peroxidase. Substrates for peroxidase were added to the plate and incubated for 1 h at 4 degrees C. The enzyme reaction was stopped with 4N H2SO4, and the absorbency at 450 nm was measured with an ELISA Reader. The coefficients of intra-assay and inter-assay variations were 4.13 approximately 7.59% and 3.71 approximately 8.27%, respectively. The regression equation and correlation coefficients with the radioimmunoassay (RIA) were y(RIA) = 1.9986 x (EIA) - 1.3921 and 0.9701 (n = 27), respectively. Collectively, the present assay provides a reliable alternative to RIA and offers the major advantage of eliminating radioactive reagents and counting equipment.S G Roh, N Matsunaga, A Miyamoto, S Hidaka, H Hidari
2034 related Products with: Competitive enzyme immunoassay for bovine growth hormone.
1 mg1 mg500ul500ul1mg1mg1mg x 201x96 well plate100.00 ug5x96 well plate96 wells (1 kit)50 ugRelated Pathways
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