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Mouse Qa lymphocyte antigen 2 region (Qa-2) ELISA Kit

Mouse Qa lymphocyte antigen 2 region (Qa-2) ELISA Kit

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Specification

Product name Mouse Qa lymphocyte antigen 2 region (Qa-2) ELISA Kit
Reactivity Mouse
Applications ELISA
Applications notes This Mouse Qa lymphocyte antigen 2 region (Qa-2) ELISA Kit employs a two-site sandwich ELISA to quantitate Qa-2 in samples. An antibody specific for Qa-2 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyQa-2 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for Qa-2 is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of Qa-2 bound in the initial step. The color development is stopped and the intensity of the color is measured.
Detection method Colorimetric
SampleType Cell culture supernatants, Other biological fluids, Plasma, Serum
Assay type Sandwich ELISA (quantitative)
Assay duration Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person.
Alternative Qa-2

Product Properties

Kit components • Mouse Qa lymphocyte antigen 2 region microplate
• Mouse Qa lymphocyte antigen 2 region standard
• Mouse Qa lymphocyte antigen 2 region detect antibody
• Streptavidin-HRP
• Standard diluent
• Assay buffer
• HRP substrate
• Stop solution
• Wash buffer
• Plate covers
Features & Benefits Mouse Qa lymphocyte antigen 2 region (Qa-2) ELISA Kit has high sensitivity and excellent specificity for detection of Mouse Qa-2. No significant cross-reactivity or interference between Mouse Qa-2 and analogues was observed.
Calibration range Please inquire
Limit of detection Please inquire
Usage notes • Do not mix components from different kit lots or use reagents beyond the kit expiration date.
• Allow all reagents to warm to room temperature for at least 30 minutes before opening.
• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.
• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
• It is recommended that all samples and standards be assayed in duplicate or triplicate.
Storage instructions The unopened kit should be stored at 2 - 8°C. After opening, please store refer to protocols.
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Qa-2 is the murine homolog of HLA-G; it has structure and functions similar to those of HLA-G. We investigated the dynamic expression of Qa-2 in skin allografts by immunohistochemistry and on peripheral blood lymphocyte subsets by flow cytometry during the entire process of acute graft rejection (AGR) with a murine skin transplantation model to determine its relationship with the pathological changes of allografts and the influence of immunosuppressive therapy. In grafts without immunosuppressive treatment, Qa-2 did not exhibit obvious changes in syngeneic and allogeneic recipients. In contrast, with immunosuppressant-treated grafts, positive expression of Qa-2 was observed. It remained at high levels in the immunosuppressant-treated syngeneic group; however, it became weakly positive and even negative in infiltrating inflammatory cells as AGR advanced, but it remained strongly positive in other skin tissues throughout the AGR process. Qa-2 expression on CD4(+) and CD8(+) peripheral blood lymphocyte subsets remained stable at a normal level in the non-immunosuppressant-treated syngeneic group. Immunosuppressive treatment can also significantly upregulate Qa-2.
Alternative Qa-2

Image & description

Fig.1. Mouse Qa lymphocyte antigen 2 region (Qa-2) Standard Curve.

Fig.1. Mouse Qa lymphocyte antigen 2 region (Qa-2) Standard Curve.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

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