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CD19,又稱為Leu-12,是一種廣泛表達(dá)于B細(xì)胞表面的跨膜糖蛋白,作為B細(xì)胞發(fā)育和功能的關(guān)鍵調(diào)控因子,CD19在多種B細(xì)胞源性惡性腫瘤中高度表達(dá),是理想的靶向治療目標(biāo)。其在B細(xì)胞的激活、增殖和分化過程中發(fā)揮重要作用,是目前B細(xì)胞相關(guān)疾病免疫治療的核心靶點(diǎn)之一。針對CD19的藥物研發(fā)主要集中在單克隆抗體、雙特異性抗體和CAR-T細(xì)胞療法。
在單克隆抗體方面,blinatumomab作為雙特異性T細(xì)胞接合抗體,可同時(shí)結(jié)合CD19與T細(xì)胞CD3,促進(jìn)T細(xì)胞識別并殺傷腫瘤細(xì)胞;Tafasitamab和loncastuximab tesirine等抗CD19抗體也在臨床中顯示出良好的療效。CAR-T療法是近年來CD19靶向治療的核心進(jìn)展。通過基因工程技術(shù),將患者自身T細(xì)胞改造為表達(dá)CD19靶向受體的CAR-T細(xì)胞,可高效識別并殺傷B細(xì)胞惡性腫瘤細(xì)胞,同時(shí)也在自身免疫性疾病中展現(xiàn)潛力。此外,新型納米顆粒遞送系統(tǒng)正在開發(fā)中,可直接在體內(nèi)遞送CAR基因,簡化CAR-T生產(chǎn)流程,提高可及性??傮w來看,CD19靶向療法在B細(xì)胞相關(guān)疾病中顯示出強(qiáng)大的治療潛力,未來研發(fā)方向?qū)⒕劢褂谔嵘熜?、降低副作用及提高治療便捷性,為患者提供更多安全、高效的治療方案?/p>
為助力CD19靶向療法開發(fā),締碼生物現(xiàn)可提供CD19靶點(diǎn)全系列產(chǎn)品與服務(wù)。產(chǎn)品包括CD19活性蛋白、CD19全長膜蛋白、CD19 biosimilar抗體和CD19流式抗體;服務(wù)包括多種屬蛋白抗體定制服務(wù)、抗體人源化和親和力成熟服務(wù)。此外,為加速CD19生物療法的開發(fā),締碼還制備了CD19靶點(diǎn)單B細(xì)胞種子庫,最快28天可獲得先導(dǎo)抗體分子;同時(shí),我們目前已篩選出多個(gè)CD19先導(dǎo)分子,客戶第二天可以拿到分子進(jìn)行功能評估驗(yàn)證。
ECD Proteins
SKU: PME-C100089 Target: CD19 Tag: C-10×His tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME101790 Target: CD19 Tag: C-10×His tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Full Length Transmembrane Proteins
Biotinylated Human CD19 full length protein-synthetic nanodisc
SKU: FLP100499B Target: CD19 Tag: C-Flag and Avi Tag
Price: 10 μg ¥6930.00 ; 50 μg ¥33000.00 ; 100 μg ¥60500.00
Overexpression Stable Cell Line
SKU: CEL100102 Target: CD19
Application: FACS Data
Price: Inquiry
Biosimilar reference antibodies
SKU: BME100683 Target: CD19
Application: ELISA
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
DiSliceX
SKU: SLI100013 Target: B7H2, B7H6, BAFF-R, CD10, CD19, CD205, CD21, CD22, CD23, CD27, CD40, CD48, CD70, CD74, CD79B, CXCR5, ICAM-1, NTB-A, PVRIG
Application: IHC
Price: 2 slides ¥899.00
ECD Proteins
SKU: PME101558 Target: CD19 Tag: C-Human Fc tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME101557 Target: CD19 Tag: C-Human Fc tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Monoclonal Antibodies
SKU: DMC100804 Target: CD19
Application: WB
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Monoclonal Antibodies
SKU: DMC101150 Target: CD19
Application: Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Biosimilar reference antibodies
SKU: BME100206 Target: CD19
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100781 Target: CD19 Tag: C-Mouse Fc Tag
Price: 10μg ¥782.00 ; 50μg ¥2866.00 ; 100 μg ¥4299.00
Biosimilar reference antibodies
SKU: BME100094 Target: CD19
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100038 Target: CD19 Tag: C-Human Fc and 6×His Tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100051 Target: CD19
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100683P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100206P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100094P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100051P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100683B Target: CD19
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00