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CD47,又稱為MER6,是一種跨膜糖蛋白,廣泛分布于各種細(xì)胞類型的表面,特別是在腫瘤細(xì)胞、紅細(xì)胞和免疫細(xì)胞中。CD47被稱為“自我標(biāo)記”分子,因?yàn)樗ㄟ^與其受體信號(hào)調(diào)節(jié)蛋白α(SIRPα)結(jié)合,抑制免疫細(xì)胞的吞噬作用,保護(hù)細(xì)胞免受巨噬細(xì)胞的清除。在腫瘤微環(huán)境中,CD47的高表達(dá)使腫瘤細(xì)胞能夠逃避免疫系統(tǒng)的監(jiān)視,從而促進(jìn)腫瘤的生長和轉(zhuǎn)移。因此,CD47被認(rèn)為是腫瘤免疫逃逸的關(guān)鍵靶點(diǎn),是抗腫瘤免疫治療中備受關(guān)注的研究方向之一。
目前,針對(duì)CD47的藥物研發(fā)主要集中在兩類:一類是CD47單抗,通過阻斷CD47與SIRPα的相互作用,解除免疫抑制,激活巨噬細(xì)胞對(duì)腫瘤細(xì)胞的吞噬作用;另一類是SIRPα抗體,通過增強(qiáng)巨噬細(xì)胞對(duì)CD47的識(shí)別,進(jìn)一步促進(jìn)腫瘤細(xì)胞的清除。CD47的靶向治療被認(rèn)為能夠增強(qiáng)免疫系統(tǒng)的抗腫瘤活性,尤其是在治療難治性腫瘤、肝癌、肺癌等方面具有巨大的潛力。目前已有多個(gè)生物制藥公司正在進(jìn)行CD47靶向治療的研發(fā)。例如,F(xiàn)orty Seven(現(xiàn)已被Gilead收購)開發(fā)的抗CD47單抗Magrolimab,已進(jìn)入臨床試驗(yàn),主要用于治療血液系統(tǒng)腫瘤,如急性髓性白血?。ˋML)和其他惡性血液疾病。此外,艾伯維(AbbVie)和百時(shí)美施貴寶(Bristol-Myers Squibb)等公司也在進(jìn)行CD47靶向藥物的研發(fā),探索其在實(shí)體腫瘤中的應(yīng)用。另一家生物公司Mirati Therapeutics也正在開發(fā)針對(duì)SIRPα的單抗,作為CD47/SIRPα通路的調(diào)節(jié)劑,旨在促進(jìn)腫瘤免疫清除。隨著對(duì)CD47機(jī)制的深入理解,CD47靶向治療的研究正逐漸進(jìn)入臨床階段,預(yù)計(jì)將為癌癥治療提供新的突破。多個(gè)針對(duì)CD47的創(chuàng)新藥物正在進(jìn)行臨床試驗(yàn),未來可能會(huì)為各種類型的腫瘤提供更有效的治療選擇。
為助力CD47靶向藥物研發(fā),締碼生物現(xiàn)可提供一系列CD47靶點(diǎn)的現(xiàn)貨產(chǎn)品,產(chǎn)品包括CD47重組蛋白、CD47全長膜蛋白,抗CD47流式抗體及Biosimilar參照抗體及CD47過表達(dá)穩(wěn)轉(zhuǎn)細(xì)胞株。同時(shí),我們還可以提供系統(tǒng)的服務(wù),包括蛋白/抗體定制服務(wù)、抗體人源化、抗體親和力成熟等。此外,為了加速CD47靶點(diǎn)藥物研發(fā),締碼還針對(duì)CD47制備了B細(xì)胞種子庫,最快20天可完成先導(dǎo)抗體分子篩選。
Overexpression Stable Cell Line
SKU: CEL100040 Target: CD47
Application: FACS Data
Price: Inquiry
DiSliceX
SKU: SLI100001 Target: BCMA, BTN3A1, CD138, CD147, CD30, CD33, CD38, CD47, CD63, CD99, CS1, GITR, GPC1, GPRC5D, ICAM-1, MUC1, PDL-1, SELPLG, TFRC, TIM3
Application: IHC
Price: 2 slides ¥899.00
ECD Proteins
SKU: PME-C100048 Target: CD47 Tag: C-Human Fc tag
Price: 10μg ¥821.00 ; 50μg ¥2866.00 ; 100 μg ¥4299.00
Full Length Transmembrane Proteins
SKU: FLP100039 Target: CD47 Tag: C-Flag Tag
Price: 10 μg ¥6300.00 ;50 μg ¥30000.00 ; 100 μg ¥55000.00
Monoclonal Antibodies
SKU: DME100212 Target: CD47
Application: ELISA; Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Biosimilar reference antibodies
SKU: BME100076 Target: CD47
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100050 Target: CD47
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100001 Target: CD47
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME-M100012 Target: CD47 Tag: C-Human Fc Tag
Price: 10μg ¥668.00 ; 50μg ¥2499.00 ; 100μg ¥3750.00
ECD Proteins
SKU: PME100008 Target: CD47 Tag: C-Mouse Fc and 6×His Tag
Price: 10μg ¥782.00 ; 50μg ¥2866.00 ; 100 μg ¥4299.00
Biosimilar reference antibodies
SKU: BME100076P Target: CD47
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100050P Target: CD47
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100001P Target: CD47
Application: Flow Cyt
Price: 100 test ¥1360.00
Full Length Transmembrane Proteins
SKU: FLP120039 Target: CD47 Tag: C-Flag&Strep Tag
Price: 10 μg ¥5670.00 ;50 μg ¥27000.00 ; 100 μg ¥49500.00
Biosimilar reference antibodies
SKU: BME100554B Target: CD47
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100551B Target: CD47
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100554 Target: CD47
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100551 Target: CD47
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100076B Target: CD47
Application: ELISA; Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100050B Target: CD47
Application: ELISA; Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00