Luciferase co-immunoprecipitation kit for detecting mammalian lyme diseases

A co-immunoprecipitation and luciferase technology, applied in the field of luciferase co-immunoprecipitation kits, can solve the problems of complex operation, large impact, and low repeatability of experimental results, and achieve high sensitivity, high signal-to-noise ratio, Stable and reliable results for measured values

Active Publication Date: 2017-05-31
杭州北角医学检验所有限公司
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Problems solved by technology

IFA is greatly affected by experiments, and there are many human interference factors, which can easily cause false positives or false negatives
[0009] 4. Enzyme-linked immunoassay (ELISA): ELISA is mainly used to detect Lyme disease-specific antibody IgG, which requires high enzyme activity and sensitivity, and its specificity depends on the quality of antigen preparation; and its combination The preparation of the compound has not been standardized, which makes the experimental results not very reproducible and requires multiple tests
In addition, if the concentration of antigen and enzyme conjugate is lo

Method used

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Examples

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Example Embodiment

[0040] Examples:

[0041] A luciferase immunoprecipitation kit for detecting Lyme disease in mammals, comprising the following components: (1) sample dilution; (2) Renilla luciferase and Borrelia burgdorferi surface membrane protein OspC antigen The composition of the fusion protein solution; (3) proteinA / G coated ELISA plate; (4) washing solution; (5) luciferase substrate; (6) substrate dilution. Among them, (5) luciferase substrate and (6) substrate dilution are all from Renilla Luciferase Assay Systerm (Renilla Luciferase Assay Systerm, Promega Biotechnology Co., Ltd.), catalog number E2810.

[0042] The composition of the sample diluent is as follows: 20mM Tris pH7.5, 150mM NaCl, 5mM MgCl 2 , 1% TritonX-100, water balance.

[0043] The washing liquid preparation method is: NaCl 8g, KCl 0.2g, Na 2 HPO 4 ·12H 2 O 3.63g, KH 2 PO 4 0.24g, dilute to 1L with water, and sterilize.

[0044] The fusion protein solution is prepared by the following method:

[0045] a. The OspC antigen gene ...

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Abstract

The invention discloses a luciferase co-immunoprecipitation kit for detecting a mammalian lyme disease. The luciferase co-immunoprecipitation kit comprises the following components: (1) a sample diluent; (2) a fusion protein solution composed of ranilla luciferase and a borrelia burgdorferi surface membrane protein OspC antigen; (3) a proteinA/G-coated ELISA plate; (4) washing liquid; (5) a luciferase substrate. The luciferase co-immunoprecipitation kit disclosed by the invention adopts a luciferase co-immunoprecipitation method and can be used for detecting the lyme disease and the onset period thereof according to the fluorescence intensity. The method is quick, simple and convenient, high in sensitivity, high in signal-noise ratio, and stable and reliable in measured C:\Program Files\Youdao\Dict\7.1.0.0421\resultui\dict\value.

Description

technical field [0001] The invention relates to the technical field of biological detection, in particular to a luciferase immunoprecipitation kit for detecting Lyme disease in mammals. Background technique [0002] Lyme disease is a spirochete infectious disease mediated by ticks, which is a natural foci disease caused by Borrelia burgdorferi. In 1985, my country first discovered the disease case in the forest area of ​​Heilongjiang Province, and the main clinical manifestation of the disease was nervous system damage. The most common nervous system damages are meningitis, encephalitis, cranial neuritis, motor and sensory neuritis. In the first stage of Lyme disease, only antibiotics can be effective, and in the second and third stages, it is useless to use antibiotics, especially for nervous system damage, and there is no specific treatment. In the early stage, it is characterized by chronic migratory erythema of the skin, and later nerve, heart or joint lesions appear. ...

Claims

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Application Information

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IPC IPC(8): G01N33/68G01N33/569
CPCG01N33/569G01N33/56911G01N33/6893G01N2333/20Y02A50/30
Inventor 吴琦唐东起张云云郑虹
Owner 杭州北角医学检验所有限公司
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