WO2023193376A1 - Trousse de dosage d'immunoabsoption par enzyme lié (test elisa) de lectine de pinellia ternata et application - Google Patents

Trousse de dosage d'immunoabsoption par enzyme lié (test elisa) de lectine de pinellia ternata et application Download PDF

Info

Publication number
WO2023193376A1
WO2023193376A1 PCT/CN2022/109669 CN2022109669W WO2023193376A1 WO 2023193376 A1 WO2023193376 A1 WO 2023193376A1 CN 2022109669 W CN2022109669 W CN 2022109669W WO 2023193376 A1 WO2023193376 A1 WO 2023193376A1
Authority
WO
WIPO (PCT)
Prior art keywords
seq
amino acid
acid sequence
antibody
cdr
Prior art date
Application number
PCT/CN2022/109669
Other languages
English (en)
Chinese (zh)
Inventor
郁红礼
吴皓
Original Assignee
南京中医药大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京中医药大学 filed Critical 南京中医药大学
Publication of WO2023193376A1 publication Critical patent/WO2023193376A1/fr

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/577Immunoassay; Biospecific binding assay; Materials therefor involving monoclonal antibodies binding reaction mechanisms characterised by the use of monoclonal antibodies; monoclonal antibodies per se are classified with their corresponding antigens
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from plants
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/68Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/35Valency
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/415Assays involving biological materials from specific organisms or of a specific nature from plants
    • G01N2333/42Lectins, e.g. concanavalin, phytohaemagglutinin
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the invention belongs to the field of biotechnology, and specifically relates to a Pinellia lectin protease-linked immune Elisa kit and its application.
  • Pinellia ternate lectin is a monocotyledonous plant mannose-binding lectin protein among plant lectins.
  • PTL is a plant protein with an amino acid sequence length of 256-258aa, a molecular weight of 25-27kDa, and an isoelectric point of 6-7. It has anti-insect, anti-fungal, anti-tumor and coagulation effects.
  • PTL is extracted and purified from the fresh products of Pinellia ternata, an Araceae plant.
  • the PTL detection kit of the present invention is an ELISA kit prepared with PTL monoclonal antibodies as raw materials. It can be used for the quantitative detection of PTL in samples. The method has high sensitivity, good repeatability, good specificity, simplicity, speed and low cost. Low, large batches of samples can be measured simultaneously.
  • the antibody provided by the present invention for preparing an ELISA kit is a monoclonal antibody of PTL, and the antibody can be used to prepare a reagent for detecting pinellia lectin protein.
  • the present invention provides a Pinellia lectin protease-linked immune Elisa kit and its application.
  • the amino acid sequence of CDR-H1 of the heavy chain variable region of the above-mentioned 25E2E8 antibody is shown in SEQ ID NO:1
  • the amino acid sequence of CDR-H2 is shown in SEQ ID NO:2
  • the amino acid sequence of CDR-H3 is shown in SEQ ID NO As shown in: 3
  • the amino acid sequence of CDR-L1 of the light chain variable region of the 25E2E8 antibody is shown in SEQ ID NO:5
  • the amino acid sequence of CDR-L2 is shown in SEQ ID NO:6
  • the amino acid sequence of CDR-L3 The amino acid sequence is shown in SEQ ID NO:7.
  • amino acid sequence of the heavy chain of the above-mentioned 25E2E8 antibody is shown in SEQ ID NO:4, and the amino acid sequence of the light chain is shown in SEQ ID NO:8.
  • the encoding gene of the 25E2E8 antibody heavy chain is shown in SEQ ID NO:9; the encoding gene of the light chain is shown in SEQ ID NO:10.
  • the amino acid sequence of CDR-H1 of the heavy chain variable region of the above-mentioned 28E3D3 antibody is shown in SEQ ID NO:11
  • the amino acid sequence of CDR-H2 is shown in SEQ ID NO:12
  • the amino acid sequence of CDR-H3 is shown in SEQ ID NO :13
  • the amino acid sequence of CDR-L1 of the light chain variable region of the 28E3D3 antibody is shown in SEQ ID NO:15
  • the amino acid sequence of CDR-L2 is shown in SEQ ID NO:16
  • the amino acid sequence of CDR-L3 The amino acid sequence is shown in SEQ ID NO:17.
  • the amino acid sequence of the above-mentioned 28E3D3 antibody heavy chain is shown in SEQ ID NO:14
  • the amino acid sequence of the 28E3D3 antibody light chain is shown in SEQ ID NO:18.
  • the encoding gene of the 28E3D3 antibody heavy chain is shown in SEQ ID NO: 19; the encoding gene of the 28E3D3 antibody light chain is shown in SEQ ID NO: 20.
  • the present invention provides a kit for detecting the protein content of Pinellia lectin. It is an enzyme-linked immunosorbent assay kit prepared from PTL monoclonal antibodies, which can achieve rapid and sensitive quantitative detection. PTL content in the sample.
  • FIG. 1 SDS-PAGE diagram of purified monoclonal antibodies; M.Marker; 1.28E3D3 antibody; 2. Mouse IgG; 3.25E2E8 antibody; 4. Mouse IgG;
  • Figure 2 shows the Western Blot diagram of 25E2E8 antibody; M.Marker; P.PTL; S. Pinellia ternata;
  • Figure 3 shows the Western Blot diagram of 28E3D3 antibody; M.Marker; P.PTL; S. Pinellia ternata.
  • the crude protein was purified by hydrophobic chromatography column and ion exchange column chromatography, dialyzed with a dialysis bag with a molecular weight of 7000 Da and then freeze-dried to obtain purified Pinellia lectin protein.
  • the monoclonal antibody of the present invention is an IgG1 subtype murine monoclonal antibody, and the light chain type is ⁇ .
  • the purity of monoclonal antibodies was analyzed by SDS-PAGE.
  • Antibody titers were determined using indirect ELISA. Use the monoclonal antibodies 25E2E8 and 28E3D3 of the present invention as capture antibodies, coat the enzyme plate, leave it overnight at 4°C to adsorb the polystyrene plate holes, wash once with PBST and then block for 2 hours; PTL is diluted from 1000ng/mL. , add the coated wells, 100 ⁇ L/well, incubate at 37°C for 1 hour, and wash the plate with PBST 4 times; add biotin-labeled monoclonal antibodies 25E2E8 and 28E3D3 of the present invention, respectively, at 100 ⁇ L/well, incubate at 37°C for 1 hour, and wash the plate with PBST.
  • the monoclonal antibodies 25E2E8 and 28E3D3 of the present invention were used as primary antibodies and their specific reactions were detected by Western blot method.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Biotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Cell Biology (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Pathology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Botany (AREA)
  • Biophysics (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

L'invention concerne une trousse de dosage d'immunoabsorption par enzyme liée (test ELISA) de lectine de Pinellia ternata et une application, se rapportant au domaine de la biotechnologie. La trousse contient un anticorps monoclonal 25E2E8 et/ou un anticorps monoclonal 28E3D3 ; la séquence d'acides aminés de la chaîne lourde de l'anticorps 25E2E8 est telle que présentée dans la SEQ ID NO : 4, et la séquence d'acides aminés de la chaîne légère de cet anticorps est telle que présentée dans la SEQ ID NO : 8 ; la séquence d'acides aminés de la chaîne lourde de l'anticorps 28E3D3 est telle que présentée dans SEQ ID NO : 14, et la séquence d'acides aminés de la chaîne légère de l'anticorps 28E3D3 est telle que présentée dans SEQ ID NO : 18. La trousse est préparée à partir d'anticorps monoclonaux de lectine de Pinellia ternata et peut détecter rapidement, de manière sensible et quantitative, la teneur en lectine de Pinellia ternata d'un échantillon.
PCT/CN2022/109669 2022-04-07 2022-08-02 Trousse de dosage d'immunoabsoption par enzyme lié (test elisa) de lectine de pinellia ternata et application WO2023193376A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210362218.6A CN114720689B (zh) 2022-04-07 2022-04-07 半夏凝集素蛋白酶联免疫Elisa试剂盒及应用
CN202210362218.6 2022-04-07

Publications (1)

Publication Number Publication Date
WO2023193376A1 true WO2023193376A1 (fr) 2023-10-12

Family

ID=82242427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/109669 WO2023193376A1 (fr) 2022-04-07 2022-08-02 Trousse de dosage d'immunoabsoption par enzyme lié (test elisa) de lectine de pinellia ternata et application

Country Status (2)

Country Link
CN (1) CN114720689B (fr)
WO (1) WO2023193376A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114720689B (zh) * 2022-04-07 2024-04-09 南京中医药大学 半夏凝集素蛋白酶联免疫Elisa试剂盒及应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300851A (zh) * 2000-12-22 2001-06-27 复旦大学 一种半夏凝集素蛋白及其编码序列
CN102343090A (zh) * 2010-08-03 2012-02-08 张明熙 一种治疗类风湿性关节炎的医药组成物
CN110684105A (zh) * 2019-09-11 2020-01-14 江苏莱森生物科技研究院有限公司 一种抗hsp90单克隆抗体及试剂盒
CN110845610A (zh) * 2019-11-26 2020-02-28 武汉生物制品研究所有限责任公司 针对白喉类毒素的检测抗体对及其应用
CN110927387A (zh) * 2019-11-08 2020-03-27 江苏大学 一种brca2蛋白酶联免疫双抗夹心试剂盒及其应用
CN111393526A (zh) * 2020-03-30 2020-07-10 中国人民解放军第四军医大学 抗gdf15中和性单克隆抗体及其应用
CN114720689A (zh) * 2022-04-07 2022-07-08 南京中医药大学 半夏凝集素蛋白酶联免疫Elisa试剂盒及应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2295317A1 (fr) * 1997-06-17 1998-12-23 Human Genome Sciences, Inc. Facteur de type hereguline
WO2007075914A2 (fr) * 2005-12-22 2007-07-05 The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Anticorps monoclonaux utilises contre des orthopoxvirus
JP2009178156A (ja) * 2008-01-29 2009-08-13 Miyazakiken Sangyo Shien Zaidan クラスタリングによる蛋白質の有効性推定方法
CN102277328A (zh) * 2011-08-09 2011-12-14 华中农业大学 抗水稻白背飞虱的枯草芽胞杆菌工程菌及制备方法和应用
DK3052522T3 (da) * 2013-10-03 2020-02-24 Biocare Medical Llc Anti-sox 10 antistofsystemer og -fremgangsmåder
US20190382785A1 (en) * 2018-05-09 2019-12-19 FB Genetics (Pvt) Limited Development of Herbicide and Sucking Pest Resistant Plant [Kalgin-5] by the Over-Expression of Constitutive Promoters Driven Tetra Gene Construct

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300851A (zh) * 2000-12-22 2001-06-27 复旦大学 一种半夏凝集素蛋白及其编码序列
CN102343090A (zh) * 2010-08-03 2012-02-08 张明熙 一种治疗类风湿性关节炎的医药组成物
CN110684105A (zh) * 2019-09-11 2020-01-14 江苏莱森生物科技研究院有限公司 一种抗hsp90单克隆抗体及试剂盒
CN110927387A (zh) * 2019-11-08 2020-03-27 江苏大学 一种brca2蛋白酶联免疫双抗夹心试剂盒及其应用
CN110845610A (zh) * 2019-11-26 2020-02-28 武汉生物制品研究所有限责任公司 针对白喉类毒素的检测抗体对及其应用
CN111393526A (zh) * 2020-03-30 2020-07-10 中国人民解放军第四军医大学 抗gdf15中和性单克隆抗体及其应用
CN114720689A (zh) * 2022-04-07 2022-07-08 南京中医药大学 半夏凝集素蛋白酶联免疫Elisa试剂盒及应用

Also Published As

Publication number Publication date
CN114720689A (zh) 2022-07-08
CN114720689B (zh) 2024-04-09

Similar Documents

Publication Publication Date Title
CN116375856A (zh) 一种抗Tau蛋白的单克隆抗体1A5-47H7和基于其的产品以及应用
CN112740037A (zh) 糖化血红蛋白(%)测定方法
WO2023193376A1 (fr) Trousse de dosage d'immunoabsoption par enzyme lié (test elisa) de lectine de pinellia ternata et application
CN117624358B (zh) Aβ1-40特异性抗体及其在阿尔茨海默症辅助诊断试剂盒的应用
CN115873112B (zh) 一种降钙素原抗体及其应用
CN115112885B (zh) 一种hpv检测试剂盒及其制备方法和应用
WO2023277143A1 (fr) Anticorps dirigé contre la protéine de nucléocapside du sars-cov-2
CN116120459A (zh) 一种抗人IgE纳米抗体及其制备方法和应用
WO2021128949A1 (fr) Anticorps anti-protéine mseb, son application et kit contenant celui-ci
WO2021128948A1 (fr) Anticorps anti-protéine mhin2, utilisation associée et kit le contenant
CN109776681B (zh) 一种抗免疫球蛋白Fc段的重链抗体及其应用
CN109575133B (zh) 抗人β2-MG抗体及其应用
CN109666072B (zh) 抗人β2-微球蛋白抗体及其应用
CN109725159B (zh) 人β2-微球蛋白的定量检测试纸卡与临床应用
JP2019501152A (ja) Cgrp抗体及びその使用
CN117143234B (zh) 抗大鼠白细胞介素-4蛋白的单克隆抗体及其用途
CN117343171B (zh) 一种抗bsa的兔单克隆抗体及其应用
KR102650819B1 (ko) 락토바실러스 플란타룸 ldh1에 대한 항체를 포함하는 피부 진단용 키트
CN117264072B (zh) 一种抗sn38单抗及其应用
CN117820473B (zh) Aβ1-42特异性抗体及其在阿尔茨海默症辅助诊断试剂盒的应用
CN111208307B (zh) 一种与参照分子具有相同或不同的靶蛋白结合的分子的筛选方法
WO2023127881A1 (fr) Procédé et réactif de détection
JP7372196B2 (ja) マイコプラズマ・ニューモニエの免疫測定方法及び免疫測定器具
JP5448424B2 (ja) ヒトIgGのFcを含有するタンパク質の測定試薬
CN117025546A (zh) 一种杂交瘤细胞株、抗gst单克隆抗体及其应用

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22936306

Country of ref document: EP

Kind code of ref document: A1