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什么是同型對(duì)照(Isotype Controls)?
同型對(duì)照(Isotype Control)是指使用與一抗相同種屬來(lái)源、相同亞型、相同劑量和相同的免疫球蛋白及亞型的免疫球蛋白。
為什么要使用同型對(duì)照(Isotype Controls)?
抗體在結(jié)構(gòu)上都極其相似,只有一小部分可變區(qū)不同,決定其與抗原的特異性結(jié)合。抗體分子結(jié)構(gòu)的剩余部分由保守區(qū)構(gòu)成,在同型的抗體中其序列往往相同。
而抗體保守區(qū)是決定抗體作用機(jī)制的關(guān)鍵,它能參與調(diào)控并結(jié)合各類細(xì)胞上的Fc受體。所以同型對(duì)照(Isotype Control)可用于消除由于抗體非特異性與細(xì)胞結(jié)合而產(chǎn)生的假陽(yáng)性干擾。同型對(duì)照也是陰性對(duì)照,其主要目的是確定一抗的結(jié)合是特異性的,而不是非特異性的Fc受體或與其他蛋白的相互作用。
如何選擇正確的同型對(duì)照(Isotype Controls)?
選取的同型對(duì)照應(yīng)與一抗的以下特征匹配:宿主種類、同種型、偶聯(lián)形式
采用和一抗實(shí)驗(yàn)濃度相同的同型對(duì)照,以獲得正確的結(jié)果分析。

BioXcell作為體內(nèi)研究抗體(in vivo antibodies)專家,可提供高純度、低內(nèi)毒素、無(wú)防腐劑的特點(diǎn),具有非常高的性價(jià)比的體內(nèi)實(shí)驗(yàn)同型對(duì)照抗體。
BioXcell同型對(duì)照抗體(Isotype Controls):
可直接用于體內(nèi)注射
不含穩(wěn)定劑、防腐劑
超高純度
超低內(nèi)毒素水平
超高性價(jià)比
BioXCell熱銷產(chǎn)品:
| 貨號(hào) | 產(chǎn)品名稱 | 中文名稱 | 同型對(duì)照 | 稀釋緩沖液 |
| BE0091 | InVivoMAb polyclonal Armenian hamster IgG | InVivoMAb 多克隆亞美尼亞倉(cāng)鼠 IgG | IP0070 | |
| BE0001-2 | InVivoMAb anti-human CD3 | InVivoMAb 抗人 CD3 | BE0085 | IP0070 |
| BE0362 | InVivoMAb anti-human CEACAM 1/3/5/6/8 | InVivoMAb 抗人 CEACAM 1/3/5/6/8 | BE0083 | IP0070 |
| BE0363 | InVivoMAb anti-human CEACAM7 | InVivoMAb 抗人 CEACAM7 | BE0083 | IP0070 |
| BE0368 | InVivoMAb anti-human/ mouse/rat amyloid-beta | InVivoMAb 抗人/小鼠/大鼠淀粉樣蛋白-β | BE0086 | IP0070 |
| BE0378 | InVivoMAb anti-mouse CD16.2 (FcγRIV) | InVivoMAb 抗小鼠 CD16.2 (FcγRIV) | BE0091 | IP0070 |
| BE0360 | InVivoMAb anti-mouse CD24 | InVivoMAb 抗小鼠 CD24 | BE0090 | IP0070 |
| BE0012 | InVivoMAb anti-mouse CD25 (IL-2Rα) | InVivoMAb 抗小鼠 CD25 (IL-2Rα) | BE0088 | IP0070 |
| BE0015-1 | InVivoMAb anti-mouse CD28 | InVivoMAb 抗小鼠 CD28 | BE0087 | IPT060 |
| BE0015-5 | InVivoMAb anti-mouse CD28 | InVivoMAb 抗小鼠 CD28 | BE0091 | IP0070 |
| BE0377 | InVivoMAb anti-mouse CD31 (PECAM-1) | InVivoMAb 抗小鼠 CD31 (PECAM-1) | BE0089 | IP0070 |
| BE0001-1 | InVivoMAb anti-mouse CD3ε | InVivoMAb 抗小鼠 CD3ε | BE0091 | IP0070 |
| BE0003-1 | InVivoMAb anti-mouse CD4 | InVivoMAb 抗小鼠 CD4 | BE0090 | IP0065 |
| BE0119 | InVivoMAb anti-mouse CD4 | InVivoMAb 抗小鼠 CD4 | BE0090 | IP0070 |
| BE0016-2 | InVivoMAb anti-mouse CD40 | InVivoMAb 抗小鼠 CD40 | BE0089 | IP0070 |
| BE0017-1 | InVivoMAb anti-mouse CD40L (CD154) | InVivoMAb 抗小鼠 CD40L (CD154) | BE0091 | IP0070 |
| BE0175 | InVivoMAb anti-mouse CD71 (TfR1) | InVivoMAb 抗小鼠 CD71 (TfR1) | BE0089 | IP0070 |
| BE0024 | InVivoMAb anti-mouse CD80 (B7-1) | InVivoMAb 抗小鼠 CD80 (B7-1) | BE0091 | IP0080 |
| BE0004-1 | InVivoMAb anti-mouse CD8α | InVivoMAb 抗小鼠 CD8α | BE0089 | IP0065 |
| BE0061 | InVivoMAb anti-mouse CD8α | InVivoMAb 抗小鼠 CD8α | BE0090 | IP0070 |
| BE0117 | InVivoMAb anti-mouse CD8α | InVivoMAb 抗小鼠 CD8α | BE0090 | IP0070 |
| BE0213 | InVivoMAb anti-mouse CSF1R (CD115) | InVivoMAb 抗小鼠 CSF1R (CD115) | BE0089 | IP0070 |
| BE0032 | InVivoMAb anti-mouse CTLA-4 (CD152) | InVivoMAb 抗小鼠 CTLA-4 (CD152) | BE0091 | IP0065 |
| BE0131 | InVivoMAb anti-mouse CTLA-4 (CD152) | InVivoMAb 抗小鼠 CTLA-4 (CD152) | BE0087 | IP0070 |
| BE0164 | InVivoMAb anti-mouse CTLA-4 (CD152) | InVivoMAb 抗小鼠 CTLA-4 (CD152) | BE0086 | IP0070 |
| BE0241 | InVivoMAb anti-mouse IFNAR-1 | InVivoMAb 抗小鼠 IFNAR-1 | BE0083 | IP0070 |
| BE0055 | InVivoMAb anti-mouse IFNγ | InVivoMAb 抗小鼠 IFNγ | BE0088 | IPT080 |
| BE0371 | InVivoMAb anti-mouse IL-12 p35 | InVivoMAb 抗小鼠 IL-12 p35 | BE0089 | IP0070 |
| BE0045 | InVivoMAb anti-mouse IL-4 | InVivoMAb 抗小鼠 IL-4 | BE0088 | IP0070 |
| BE0075-1 | InVivoMAb anti-mouse Ly6G | InVivoMAb 抗小鼠 Ly6G | BE0089 | IP0070 |
| BE0075 | InVivoMAb anti-mouse Ly6G/Ly6C (Gr-1) | InVivoMAb 抗小鼠 Ly6G/Ly6C (Gr-1) | BE0090 | IP0070 |
| BE0036 | InVivoMAb anti-mouse NK1.1 | InVivoMAb 抗小鼠 NK1.1 | BE0085 | IP0070 |
| BE0372 | InVivoMAb anti-mouse osteopontin (SPP1) | InVivoMAb 抗小鼠骨橋蛋白 (SPP1) | BE0366 | IP0070 |
| BE0031 | InVivoMAb anti-mouse OX40 (CD134) | InVivoMAb 抗小鼠 OX40 (CD134) | BE0088 | IP0070 |
| BE0033-2 | InVivoMAb anti-mouse PD-1 (CD279) | InVivoMAb 抗小鼠 PD-1 (CD279) | BE0091 | IP0065 |
| BE0146 | InVivoMAb anti-mouse PD-1 (CD279) | InVivoMAb 抗小鼠 PD-1 (CD279) | BE0089 | IP0070 |
| BE0273 | InVivoMAb anti-mouse PD-1 (CD279) | InVivoMAb 抗小鼠 PD-1 (CD279) | BE0089 | IP0070 |
| BE0101 | InVivoMAb anti-mouse PD-L1 (B7-H1) | InVivoMAb 抗小鼠 PD-L1 (B7-H1) | BE0090 | IP0065 |
| BE0353 | InVivoMAb anti-mouse/ human/rat/monkey ICOS (CD278) | InVivoMAb 抗小鼠/人/大鼠/猴 ICOS (CD278) | BE0091 | IP0070 |
| BE0057 | InVivoMAb anti-mouse/ human/rat/monkey/ hamster/canine/bovine TGF-β | InVivoMAb 抗小鼠/人/大鼠/猴/倉(cāng)鼠/犬/牛 TGF-β | BE0083 | IP0070 |
| BE0083 | InVivoMAb mouse IgG1 isotype control, unknown specificity | InVivoMAb 小鼠 IgG1 同種型對(duì)照,特異性未知 | IP0065 | |
| BE0085 | InVivoMAb mouse IgG2a isotype control, unknown specificity | InVivoMAb 小鼠 IgG2a 同種型對(duì)照,特異性未知 | IP0070 | |
| BE0086 | InVivoMAb mouse IgG2b isotype control, unknown specificity | InVivoMAb 小鼠 IgG2b 同種型對(duì)照,特異性未知 | IP0070 | |
| BE0087 | InVivoMAb polyclonal Syrian hamster IgG | InVivoMAb 多克隆敘利亞倉(cāng)鼠 IgG | IP0070 | |
| BE0088 | InVivoMAb rat IgG1 isotype control, anti-horseradish peroxidase | InVivoMAb 大鼠 IgG1 同種型對(duì)照,抗辣根過(guò)氧化物酶 | IP0070 | |
| BE0089 | InVivoMAb rat IgG2a isotype control, anti-trinitrophenol | InVivoMAb 大鼠 IgG2a 同種型對(duì)照,抗三硝基苯酚 | IP0065 | |
| BE0090 | InVivoMAb rat IgG2b isotype control, anti-keyhole limpet hemocyanin | InVivoMAb 大鼠 IgG2b 同種型對(duì)照,抗鎖孔血藍(lán)蛋白 | IP0070 | |
| BE0099 | InVivoMAb recombinant CTLA-4-Ig (hum/hum) | InVivoMAb 重組 CTLA-4-Ig(人/人-融合蛋白) | BE0096 | IP0070 |
| BE0098 | InVivoMAb recombinant Flt-3L-Ig (hum/hum) | InVivoMAb 重組 Flt-3L-Ig(人/人-融合蛋白) | BE0096 | IP0070 |
| BP0307 | InVivoPlus anti-mouse CD16/CD32 | InVivoPlus 抗小鼠 CD16/CD32 | BP0090 | IP0080 |
| BP0356 | InVivoPlus anti-mouse CD20 | InVivoPlus 抗小鼠 CD20 | BE0366 | IP0070 |
| BP0012 | InVivoPlus anti-mouse CD25 (IL-2Rα) | InVivoPlus 抗小鼠 CD25 (IL-2Rα) | BP0088 | IP0070 |
| BP0001-1 | InVivoPlus anti-mouse CD3ε | InVivoPlus 抗小鼠 CD3ε | BP0091 | IP0070 |
| BP0003-1 | InVivoPlus anti-mouse CD4 | InVivoPlus 抗小鼠 CD4 | BP0090 | IP0065 |
| BP0016-2 | InVivoPlus anti-mouse CD40 | InVivoPlus 抗小鼠 CD40 | BP0089 | IP0070 |
| BP0017-1 | InVivoPlus anti-mouse CD40L (CD154) | InVivoPlus 抗小鼠 CD40L (CD154) | BP0091 | IP0070 |
| BP0004-1 | InVivoPlus anti-mouse CD8α | InVivoPlus 抗小鼠 CD8α | BP0089 | IP0065 |
| BP0061 | InVivoPlus anti-mouse CD8α | InVivoPlus 抗小鼠 CD8α | BP0090 | IP0070 |
| BP0117 | InVivoPlus anti-mouse CD8α | InVivoPlus 抗小鼠 CD8α | BP0090 | IP0070 |
| BP0213 | InVivoPlus anti-mouse CSF1R (CD115) | InVivoPlus 抗小鼠 CSF1R (CD115) | BP0089 | IP0070 |
| BP0032 | InVivoPlus anti-mouse CTLA-4 (CD152) | InVivoPlus 抗小鼠 CTLA-4 (CD152) | BP0091 | IP0065 |
| BP0131 | InVivoPlus anti-mouse CTLA-4 (CD152) | InVivoPlus 抗小鼠 CTLA-4 (CD152) | BP0087 | IP0070 |
| BP0164 | InVivoPlus anti-mouse CTLA-4 (CD152) | InVivoPlus 抗小鼠 CTLA-4 (CD152) | BP0086 | IP0070 |
| BP0241 | InVivoPlus anti-mouse IFNAR-1 | InVivoPlus 抗小鼠 IFNAR-1 | BP0083 | IP0070 |
| BP0055 | InVivoPlus anti-mouse IFNγ | InVivoPlus 抗小鼠 IFNγ | BP0088 | IPT080 |
| BP0045 | InVivoPlus anti-mouse IL-4 | InVivoPlus 抗小鼠 IL-4 | BP0088 | IP0070 |
| BP0075-1 | InVivoPlus anti-mouse Ly6G | InVivoPlus 抗小鼠 Ly6G | BP0089 | IP0070 |
| BP0075 | InVivoPlus anti-mouse Ly6G/Ly6C (Gr-1) | InVivoPlus 抗小鼠 Ly6G/Ly6C (Gr-1) | BP0090 | IP0070 |
| BP0036 | InVivoPlus anti-mouse NK1.1 | InVivoPlus 抗小鼠 NK1.1 | BP0085 | IP0070 |
| BP0031 | InVivoPlus anti-mouse OX40 (CD134) | InVivoPlus 抗小鼠 OX40 (CD134) | BP0088 | IP0070 |
| BP0033-2 | InVivoPlus anti-mouse PD-1 (CD279) | InVivoPlus 抗小鼠 PD-1 (CD279) | BP0091 | IP0065 |
| BP0146 | InVivoPlus anti-mouse PD-1 (CD279) | InVivoPlus 抗小鼠 PD-1 (CD279) | BP0089 | IP0070 |
| BP0273 | InVivoPlus anti-mouse PD-1 (CD279) | InVivoPlus 抗小鼠 PD-1 (CD279) | BP0089 | IP0070 |
| BP0101 | InVivoPlus anti-mouse PD-L1 (B7-H1) | InVivoPlus 抗小鼠 PD-L1 (B7-H1) | BP0090 | IP0065 |
| BP0057 | InVivoPlus anti-mouse/human/rat/monkey /hamster/canine/bovine TGF-β | InVivoPlus 抗小鼠/人/大鼠/猴/倉(cāng)鼠/犬/牛 TGF-β | BP0083 | IP0070 |
| BP0089 | InVivoPlus rat IgG2a isotype control, anti-trinitrophenol | InVivoPlus 大鼠 IgG2a 同種型對(duì)照,抗三硝基苯酚 | IP0065 | |
| BP0099 | InVivoPlus recombinant CTLA-4-Ig (hum/hum) | InVivoPlus 重組 CTLA-4-Ig(人/人-融合蛋白) | IP0070 | |
| IPT060 | InVivoPure pH 6.0T Dilution Buffer | InVivoPure pH 6.0T 稀釋緩沖液 | ||
| IP0065 | InVivoPure pH 6.5 Dilution Buffer | InVivoPure pH 6.5 稀釋緩沖液 | ||
| IP0070 | InVivoPure pH 7.0 Dilution Buffer | InVivoPure pH 7.0 稀釋緩沖液 | ||
| IPT080 | InVivoPure pH 8.0T Dilution Buffer | InVivoPure pH 8.0T 稀釋緩沖液 | ||
| SIM0008 | InVivoSIM anti-human CD20 (Rituximab Biosimilar) | InVivoSIM 抗人 CD20(利妥昔單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0004 | InVivoSIM anti-human CTLA-4 (Ipilimumab Biosimilar) | InVivoSIM 抗人 CTLA-4(伊匹單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0005 | InVivoSIM anti-human HER2 (Trastuzumab Biosimilar) | InVivoSIM 抗人 HER2(曲妥珠單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0003 | InVivoSIM anti-human PD-1 (Nivolumab Biosimilar) | InVivoSIM 抗人 PD-1(納武單抗 生物類似藥) | CP147 | IP0070 |
| SIM0010 | InVivoSIM anti-human PD-1 (Pembrolizumab Biosimilar) | InVivoSIM 抗人 PD-1(帕博利珠單抗 生物類似藥) | CP147 | IP0070 |
| SIM0009 | InVivoSIM anti-human PD-L1 (Atezolizumab Biosimilar) | InVivoSIM 抗人 PD-L1(阿替利珠單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0001 | InVivoSIM anti-human TNFα (Adalimumab Biosimilar) | InVivoSIM 抗人 TNFα(阿達(dá)木單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0006 | InVivoSIM anti-human TNFα (Infliximab Biosimilar) | InVivoSIM 抗人 TNFα(英夫利昔單抗 生物類似藥) | BP0297 | IP0070 |
| SIM0007 | InVivoSIM anti-human VEGF (Bevacizumab Biosimilar) | InVivoSIM 抗人 VEGF(貝伐珠單抗 生物類似藥) | BP0297 | IP0070 |
*以上產(chǎn)品僅限科研用途,不得直接用于臨床與醫(yī)療. 更多BioXCell產(chǎn)品手冊(cè)
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