Human source anti-A botulinum neurotoxin genetic engineering antibody and preparation method and use thereof
A technology of botulinum neurotoxin and genetically engineered antibody, which is applied in genetic engineering, botanical equipment and methods, biochemical equipment and methods, etc., can solve problems such as poor stability, achieve high affinity, good application prospects, and eliminate allergic reactions Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] Example 1 Construction and Screening of Human Anti-Botulinum Toxin Type A Phage Immune Library
[0033] 1. Materials:
[0034] 1. Bacterial strains: the helper phage M13K07 was purchased from Biolab Company; the host strain E.coli TG1 was a product of Pharmacia Company.
[0035] 2. Reagents: NotI, SfiI and other restriction enzymes are all products of Promega; FicollPlus Pague and anti M13-HRP are products of Pharmacia; total RNA extraction kit, RT reverse transcription kit, PCR amplification reagent are products of TAKARA company ; BSA (bovine serum albumin fraction V) is a product of GIBCO; DEPC, carbenicillin, tetracycline and kanamycin sulfate were purchased from SIGMA.
[0036] 3. Vector: The phage vector pCANTAB-5E is a product of Pharmacia.
[0037] 2. Method results:
[0038] 1. Type A botulinum toxin epitope peptide vaccine and volunteer immunization
[0039] 1.1 Type A botulinum toxin epitope peptide synthesis
[0040] Peptide A (BoNTaHc1157-1181, Pa): as...
Embodiment 2
[0077] Example 2 Recombinant Preparation of Human Anti-Botulinum Toxin Type A Genetic Engineering Antibody
[0078] 1. Materials:
[0079] 1. Strains: the host strain E.coli HB2151 is a product of Pharmacia; E.coli BL21(DE3) is a product of Novagen.
[0080] 2. Reagents: E-tag affinity chromatography purification medium and Histrap HP prepacked column for Ni-NTA affinity purification were purchased from Amersham Pharmacia; PCR amplification reagents were products from TAKARA; carbenicillin was purchased from SIGMA; imidazole Purchased from Amresco Corporation.
[0081] 3. Vector: The phage recombinant expression vector pCANTAB-5E is a product of Pharmacia; the expression vector pET22b is a product of Novagen.
[0082] 2. Method results:
[0083] 1. Recombinant preparation of ScFv
[0084] 1.1 Soluble expression of ScFv in Escherichia coli
[0085] The recombinant expression plasmid pCan-ScFv and the empty vector of the positive clone obtained by screening were transformed...
Embodiment 3
[0100] Example 3 Analysis of Biological Activity of Human Anti-Botulinum Toxin Type A Genetic Engineering Antibody
[0101] 1. Materials:
[0102] 1. Reagents: anti His-HRP is the product of Pierce Company; BSA (Bovine Serum Albumin Fraction V) is the product of GIBCO Company; ammonium thiocyanate was purchased from Beijing Biochemical Reagent Company; anti-botulinum horse serum was purchased from China Pharmaceutical Biological Products Laboratory; Reagents for affinity determination such as HBS solution, 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC), N hydroxysuccinimide (NHS), and ethanolamine are all from Pharmacia Company product.
[0103] 2. Materials: CM5 chips are products of Pharmacia; Balb / C mice were purchased from the Experimental Animal Center of Academy of Military Medical Sciences.
[0104] 3. Instrument: Biacore3000 is a product of GE.
[0105] 2. Method results:
[0106] 1. Antigen-binding activity (ELISA) of human-derived anti-botulinum toxin type ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com