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抗人DcR3单克隆抗体的研制及其鉴定 - 百度文库

Դû ʱ䣺2025/8/20 19:51:22 loading ƪĵֻ
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DcR3¡Ƽ

:___________λ: ___________ʱ: ___________

ߣⴺ, ɭ, , , , Խ, ͼ, ǿ

ժҪ Ŀ: ƱDcR3¡壨mAb, ԡ: HisDcR3ںϵС, ӦܰϸӽƱDcR3 mAbд, Ŀ徭Western blotELISAԡ IgͺЧۡ: 5ȶڿDcR3 mAbӽϸ, IgG1, 丹ˮЧΪ110-5110-7, Western blotʾ5ϸڵmAbʶDcR3, 1꣨1B1SW480ϸɷַӦ: ɹȶڿDcR3 mAbӽϸ, ڵĿǿ Ч۸, ΪоDcR3֯еı ֲELISAԼе춨 ؼʡ DcR3 ¡ Ʊ

[Abstract] AIM: To prepare monoclonal antibodies(mAbs) against human DcR3 and identify their characterization. METHODS:

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BALB/c mice were immunized with purified HisDcR3 protein, and mAbs against DcR3 which prepared by hybridoma technique were purified and identified by their specificity, subtype, titers via ELISA and Western blot. RESULTS: Five hybridoma cell lines secreting mAbs against human DcR3 were obtained, which were determined as IgG1 subtype and ascites titers of five mAbs against DcR3 reached 110-5-110-7. Five mAbs were proved to recognize HisDcR3 protein specifically, one of which (1B1) could recognize SW480 cell. CONCLUSION: mAbs against DcR3 with high titers and specificity have been prepared and purified successfully, which laid a foundation for the study of DcR3 expression, distribution in tissu and development of ELISA kit.

[Keywords]DcR3; monoclonal antibody; preparation ƭ3(decoy receptor 3, DcR3, ֳTR6)Ϊ·ֵһֿ(TNFR)Ա, ɾԽ(TNF)ԱLIGHT FasLTL1A[1, 2], 鵼ϸ, ϸ ֻ Լߵڵȷ淢Ҫ, ߼ ֲųءӦDcR3оDcR3֯ϸеıѳΪоȵ㡣Ŀǰ, ƷĿDcR3 mAb, ۸񰺹, ⷽоܰϸӽƱ˿DcR3 mAb, ˼, ΪоDcR3֯еı ֲ

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ELISAԼе춨 1 Ϻͷ

1.1 HisDcR3ںϵΪ[3]; RPMI1640Hyclone˾; PEG4000Merck˾; HAT HTSigma˾; HRPǵIgG幺Santa Cruze˾; ⶨԼйSerotech˾; Protein A׺ͲPierce˾; PVDFĤAmresco˾; ECLѧԼйAmersham˾Sp2/0ϸȡԶʦѧϸŴ; ߱DcR3˽᳦SW480ϸɱұ; BALB/cС(68, , ༶)ԼʡƷ 1.2

1.2.1 HisDcR3ںϵBALB/cС, ȡ100 L (Լ50 g)ԭӵȫ黯, ǻע, 14ȡ100 L(Լ50 g)ӵϲȫǿ, Ժÿ2ܵԭǻ2, ⶨСѪ忹Ч۴1106ʱ׼ں, ںǰ3 dȡЧߵСǻע俹ԭ100 g

1.2.2 ӽϸĽmAbƱ (1)ϸں: ޾, ȡSp2/0ϸ, 1000 r/min8 min, , RPMI1640ȫҺϸ, ȡϸƱСƢϸҺ, Sp2/0ϸƢϸ15ı, 37ˮԡ500 mL/L PEG4000½ں, ںϺ1000 r/min

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8 min, , úϸHATѡҺ, 96ϸ, 37桢 50 mL/L CO210컻HTѡҺ, 14컻200 mL/L̥ţѪRPMI1640ȫҺ(2)ɸѡ¡: 23ܺӽϸ׵1/10ʱ, ֱHisDcR3ںϵHis, ͬʱ Լհ׶, ӦüELISAҺP/N2.1Ϊ, ѡȡHisDcR3ںϵ׷ӦԶHis׷ӦԿ׵ϸͨϡͷ¡23, ֱе¡ϸԿΪ100%ʱ, ϸ͸ˮƱ3ˮƱ:ÿֻBALB/cСǻע޾Һʯ500 L, 7 dÿֻǻӽϸ6105, 14 dҲɼˮSiO2ԸˮԤ, ᱥ麟[4]ProteinA׺Ͳд, ֹȷⶨmAb, mAb˳ӵ, װ-70涳档 1.2.3 mAbļ 1Ч۵IJⶨ: ǰmAbϡ, 1200ϡ͵СѪΪԶ, ӦüELISAⶨA492, P/N2.1Ϊԡ2򵰰ļ: ˵ӽ1200ϡ, ȡ150 LϡҺ뺬ඨԼԹܵײ, 30 sֽܵ, 510 min۲, ж (3)ӽϸȾɫͷ: õӽϸҺ10 mLˮ, ʹŨΪ0.1 mg/L, 3 h, 1000 r/min10 min, ˮµ

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