硬件实力
通过国际AAALAC认证
规范性管理和使用动物
保证抗体质量
经验丰富
专注抗独特型抗体开发
项目组一对一服务
一站式服务
从抗原制备到试剂盒开发
针对多种药物
单抗,双抗,ADC, CAR-T,多肽
应用保证型服务
交付灵敏度满足法规要求
全球交付
健全供应链体系
支持全球范围内临床试验
名称 | 周期 | 交付物 | 价格 |
---|---|---|---|
抗独特型兔多克隆抗体制备服务 |
8-10周 |
|
项目组一对一服务 根据您的需求 为您出具定制方案 点此联系我们 |
抗独特型鼠单克隆抗体制备服务 |
4-5个月 |
|
|
血药浓度检测试剂盒定制开发服务 |
5-7周 |
方法学验证报告、说明书、COA、ELISA试剂盒 |
|
免疫原性检测试剂盒定制开发服务 |
2-3周 |
方法学验证报告、说明书、COA、ELISA试剂盒 |
分子 | 货号 | 产品描述 | 中和活性 | 应用 |
---|---|---|---|---|
Adalimu*ab | ADB-Y19 | Anti-Adalimu*ab Antibodies (AY19) | Neutralizing Antibody | ADA assay; Neutralizing assay; Indirect ELISA |
Adalimu*ab | ADB-Y23b | Anti-Adalimu*ab Antibodies (AY23b) (recommended for PK/PD) | Non-Neutralizing Antibody | PK bridging ELISA; Indirect ELISA |
Bevacizu*ab | BEB-Y10 | Anti-Bevacizu*ab Antibodies (AY10) (MALS verified, recommended for PK/PD) | Neutralizing Antibody | PK bridging ELISA; Neutralizing assay; Indirect ELISA |
Bevacizu*ab | BEB-Y12 | Anti-Bevacizu*ab Antibodies (AY12) (recommended for neutralizing assay) | Neutralizing Antibody | ADA assay; Neutralizing assay; Indirect ELISA |
Bevacizu*ab | BEB-Y9 | Anti-Bevacizu*ab Antibodies (AY9) (recommended for ADA assay) | Neutralizing Antibody | ADA assay; Neutralizing assay; Indirect ELISA |
Bevacizu*ab | BEB-BY13 | Biotinylated Anti-Bevacizu*ab Antibodies (AY13) (recommended for PK/PD) | Neutralizing Antibody | PK bridging ELISA;Neutralizing assay; Indirect ELISA |
Cetuxi*ab | CEB-Y27 | Anti-Cetuxi*ab Antibodies (AY27) (recommended for ADA assay) | Neutralizing Antibody | ADA assay; Neutralizing assay; Indirect ELISA |
Cetuxi*ab | CEB-Y31 | Anti-Cetuxi*ab Antibodies (AY31) (Non-Neutralizing) | Non-Neutralizing Antibody | ADA assay; Indirect ELISA |
Cetuxi*ab | CEB-Y28 | Anti-Cetuxi*ab Antibodies (AY28) | Neutralizing Antibody | ADA assay; Neutralizing assay; Indirect ELISA |
Cetuxi*ab | CEB-BY31 | Biotinylated Anti-Cetuxi*ab Antibodies (AY31) (recommended for PK/PD) | Non-Neutralizing Antibody | PK bridging ELISA; Indirect ELISA |
Rituxi*ab | RIB-Y36 | Anti-Rituxi*ab Antibodies (AY36) (recommended for ADA assay) | Neutralizing Antibody | ADA assay;Neutralizing assay; Indirect ELISA |
Rituxi*ab | RIB-Y37 | Anti-Rituxi*ab Antibodies (AY37) (recommended for PK/PD) | Neutralizing Antibody | PK bridging ELISA;Neutralizing assay;Indirect ELISA |
Rituxi*ab | RIB-FY35c | FITC-Labeled Anti-Rituxi*ab Antibodies, Mouse IgG1 | Neutralizing Antibody | ADA assay;Neutralizing assay; Indirect ELISA |
Rituxi*ab | RIB-Y35c | Anti-Rituxi*ab Antibodies (MALS verified) | Non-Neutralizing Antibody | ADA assay; Indirect ELISA |
Trastuzu*ab | TRB-Y5b | Anti-Trastuzu*ab Antibodies (AY5b) (recommended for PK/PD) | Neutralizing Antibody | PK bridging ELISA |
Trastuzu*ab | TRB-Y1b | Anti-Trastuzu*ab Antibodies (AY1b) (recommended for PK/PD) | Neutralizing Antibody | PK bridging ELISA; Neutralizing assay; Indirect ELISA |
1.抗原复核(1-2天)
SDS-PAGE 纯度复核,UV 浓度复核;
2. 抗原制备(1周,可选)
客户提供全长抗体药物,ACRO 进行酶切并纯化获得F(ab)’2,并对获得的F(ab)’2 进行纯度和活性的分析,提供抗原制备报告;
3.免疫及血清效价检测(8周)
免疫前采血,10只Balb/c 小鼠免疫,效价检测,终放采血,提供免疫程序计划表和效价检测报告;效价满足1:72,9000
4.细胞融合和筛选(6-8周)
选择1-2只效价较高的小鼠脾脏B细胞和SP2/0 进行电融合,间接ELISA 检测全长抗体,同型对照抗体、 human IgG筛选阳性克隆,阻断ELISA 验证克隆的靶点竞争型和非竞争型,进行2-3 轮亚克隆;
5.抗体生产和配对(2-3周)
杂交瘤细胞培养微量纯化和标记,夹心法配对验证,SDS-PAGE 纯度分析,UV浓度测定,ELISA 活性分析鉴定使用夹心法进行Pk assay 开发
6.抗体大量生产及Assay建立(2-3周)
优选的配对抗体进行大量生产,进行SDS-PAGE 纯度分析,UV浓度测定,ELISA 活性分析鉴定PK Assay 建立( 标准曲线,灵敏度,基质干扰验证等),灵敏度满足药物临床PK 分析要求
7.交付物:
- 免疫前血清,细胞上清
- 纯化抗体,细胞株
- 效价检测报告,融合筛选报告,抗体鉴定报告,质量检验(COA),项目开发详细报告
抗独特型兔多克隆抗体制备流程
1.抗原复核(1-2天)
SDS-PAGE 纯度复核,UV 浓度复核
2. 抗原制备(1周,可选)
客户提供全长抗体药物,ACRO 进行酶切并纯化获得F(ab)’2对F(ab’) 2 进行纯度和活性的分析,提供抗原制备报告
3.免疫及血清效价检测(8周)
免疫前采血,新西兰大白兔免疫,效价检测,终放采血,提供免疫程序计划表和效价检测报告;效价满足1:72,9000
4.抗体纯化(2-3周)
- 抗原亲和层析
- Total human IgG 纯化
- 同型IgG 纯化(可选)
5.抗体鉴定以及Assay建立(1周)
- SDS-PAGE 纯度分析,UV浓度测定
- ELISA 活性分析鉴定与同型Human IgG 交叉反应;交叉反应
<2%
- ADA Assay 建立( 灵敏度,MRD 等) 灵敏度满足法规要求;
6.Kit 开发
7.交付物
- 免疫前兔血清
- 纯化抗体,开发的Kit
- 效价检测报告,抗体鉴定报告,质量检验(COA),项目开发详细报告
针对Arm 1 筛选到的阻断型克隆 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Clone1 | Clone2 | Clone3 | Clone4 | Clone5 | Clone6 | Clone7 | Clone8 | Clone9 | Clone10 | A0 | |
OD | 0.142 | 0.063 | 0.107 | 0.143 | 0.208 | 0.264 | 0.23 | 0.148 | 0.149 | 0.22 | 1.601 |
阻断率 | 91.13% | 96.06% | 93.32% | 91.07% | 87.01% | 83.51% | 85.63% | 90.76% | 90.69% | 86.26% | / |
Clone11 | Clone12 | Clone13 | Clone14 | Clone15 | Clone16 | Clone17 | Clone18 | Clone19 | Clone20 | A0 | |
OD | 0.295 | 0.228 | 0.119 | 0.098 | 0.078 | 0.229 | 0.516 | 0.709 | 0.923 | 0.965 | 1.601 |
阻断率 | 81.57% | 85.76% | 92.57% | 93.88% | 95.13% | 85.7% | 67.77% | 55.72% | 42.35% | 39.73% | / |
针对Arm 2 筛选到的阻断型克隆 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Clone1 | Clone2 | Clone3 | Clone4 | Clone5 | Clone6 | Clone7 | Clone8 | Clone9 | Clone10 | A0 | |
OD | 0.109 | 0.232 | 0.178 | 0.158 | 0.146 | 0.276 | 0.245 | 0.106 | 0.165 | 0.198 | 1.546 |
阻断率 | 92.95% | 84.99% | 88.49% | 89.78% | 90.56% | 82.15% | 84.15% | 93.14% | 89.33% | 87.19% | / |
Clone11 | Clone12 | Clone13 | Clone14 | Clone15 | Clone16 | Clone17 | A0 | ||||
OD | 0.48 | 0.495 | 0.387 | 0.658 | 0.064 | 0.651 | 1.062 | 1.546 | |||
阻断率 | 68.95% | 67.98% | 74.97% | 57.44% | 95.86% | 57.89% | 31.31% | / |
Immobilized anti-arm1 antibody can bind Bispecific antibody drugs, and then add Biotin- anti-arm2 antibody. Detection was performed using HRP-conjugated streptavidin with sensitivity of 0.24 ng/mL (Intact Assay).
Immobilized Anti- drug Antibody, Mouse IgG1 can bind ADC antibody drugs, and then add Biotin- Mouse Anti-MMAE Antibody, Mouse IgG1 (MALS verified). Detection was performed using HRP-conjugated streptavidin with sensitivity of 0.69 ng/mL (Intact Assay).
检测方法 | 包被 | 样品 | 检测 |
Antigen capture ELISA | CD20 | 待检抗体 | Goat anti-human IgG |
Anti-idiotypic capture ELISA | Anti-Rituximab Antibodies | 待检抗体 | Goat anti-human IgG |
Bridging ELISA by anti-idiotypic antibodies | Anti-Rituximab Antibodies | 待检抗体 | Biotinylated Anti-Rituximab Antibodies |
检测方法 | 线性范围 (µg/mL) |
灵敏度 (µg/mL) |
优势 | 劣势 |
Antigen-capture ELISA | — | — | 方法简单,通用性好 | 背景值高,无活性 |
Anti-idiotypic capture ELISA | 0.156-10 | 0.156 | 解决了CD20获得难的问题,方法简单 | 背景高,只适用于美罗华biosimilar |
Bridging ELISA by anti-idiotypic antibodies | 0.012-0.78 | 0.012 | 解决了CD20获得难的问题,灵敏度好,背景低 | 只适用于美罗华biosimilar |
使用全长单抗药物免疫新西兰大白兔,获得的兔抗血清经亲和纯化得到的抗药多克隆抗体,与药物可特异性结合,与亚型对照品的交叉反应率小于2%。
使用多肽-KLH偶联物免疫新西兰大白兔,获得的兔抗血清经亲和纯化得到抗药多克隆抗体,效价大于1:712,000。
Figure1. Anti-Adalimumab Antibodies bridging ELISA for Anti-Drug Antibody (ADA) assay development. Immobilized adalimumab at 1 µg/ml, add increasing concentrations of Anti-Adalimumab Antibodies (Cat. No. ADB-Y19, 10% human serum) and then add biotinylated adalimumab at 5 µg/ml. Detection was performed using HRP-conjugated streptavidin with a sensitivity of 0.6 ng/mL.
Figure2. Anti-Rituximab Antibodies bridging ELISA for Anti-Drug Antibody (ADA) assay development. Immobilized rituximab at 1 µg/ml, added increasing concentrations of Anti-Adalimumab Antibodies (Cat. No. RIB-Y36, 10% human serum) and then added biotinylated rituximab at 2 µg/ml. Detection was performed using HRP-conjugated streptavidin with a sensitivity of 9.7 ng/mL.
ACROBiosystems有着严格的质量管理控制体系,已按照ISO9001:2015“质量管理体系要求”/ISO 13485:2016“医疗器械质量管理体系用于法规的要求”等国际标准建立、实施并保持和持续改进质量管理体系。
2019年1月24日中国食品药品检定研究院发布了关于组织开展“首个单克隆抗体生物药生物分析能力验证项目”的通知,ACROBiosystems积极报名并参与了“NIFDC-PT-195-生物样本检测-猴血清中贝伐珠单抗的浓度”能力验证项目,并成功通过此次能力验证。