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葉酸受體α(FRα)是葉酸受體(FR)家族中的成員之一,該家族還有三個成員,分別是FRβ、FRγ和FRδ。除FRγ外,F(xiàn)R家族其他成員都是通過糖基磷脂酰肌醇(GPI)錨定于細(xì)胞膜的單鏈糖蛋白,能夠結(jié)合葉酸并通過內(nèi)吞作用轉(zhuǎn)運(yùn)葉酸進(jìn)入細(xì)胞,是葉酸轉(zhuǎn)運(yùn)蛋白的一種。FRɑ由基因FOLR1編碼,該基因位于 11 號染色體,由7個外顯子和6個內(nèi)含子組成。正常情況下,F(xiàn)Rα的組織表達(dá)有限,通常局限于極化上皮的管腔(頂端)表面,包括近端腎小管、肺部1型和2型肺細(xì)胞、脈絡(luò)叢、卵巢、輸卵管、子宮、子宮頸、附睪、下頜下唾液腺體、支氣管腺體和胎盤中的滋養(yǎng)層細(xì)胞,這也使該受體不容易接觸到葉酸。
FRα現(xiàn)已經(jīng)被證實在正常細(xì)胞中幾乎不表達(dá),在實體瘤中有廣泛高表達(dá),比如間皮瘤(72-100%),三陰性乳腺癌(35-68%),卵巢癌(76-89%),非小細(xì)胞肺癌(14-74%);而非惡性組織,只有肺部頂端支氣管的上皮細(xì)胞,有一定比例的表達(dá)。在腫瘤細(xì)胞中,F(xiàn)Rα不僅可以作為葉酸轉(zhuǎn)運(yùn)蛋白發(fā)揮作用,還可以作為轉(zhuǎn)錄因子,在癌細(xì)胞增殖、轉(zhuǎn)移的過程中發(fā)揮作用。更多關(guān)于FRα作用機(jī)制>>
為加速FRα生物療法的開發(fā),締碼生物可提供FRα靶點(diǎn)全系列產(chǎn)品與服務(wù),產(chǎn)品包括活性蛋白、參照抗體和WB&FC驗證單克隆抗體;服務(wù)涵蓋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,締碼還制備了FRα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,我們目前已篩選出有數(shù)十個CDH17先導(dǎo)分子,其中絕大部分都驗證了人猴蛋白交叉反應(yīng),客戶第二天可以拿到分子進(jìn)行功能評估驗證;針對部分分子,我們也正在進(jìn)行ADC內(nèi)吞活性及殺傷驗證,具體數(shù)據(jù)歡迎垂詢。
Overexpression Stable Cell Line
SKU: CEL100024 Target: FOLR1
Application: FACS Data
Price: Inquiry
Monoclonal Antibodies
SKU: DMC100585 Target: FOLR1
Application: WB
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
ECD Proteins
SKU: PME-M100114 Target: FOLR1 Tag: C-10×His tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME-C100040 Target: FOLR1 Tag: C-10×His tag
Price: 10μg ¥821.00 ; 50μg ¥2866.00 ; 100 μg ¥4299.00
Biosimilar reference antibodies
SKU: BME100178 Target: FOLR1
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100163 Target: FOLR1
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Monoclonal Antibodies
SKU: DMC100391 Target: FOLR1
Application: Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
ECD Proteins
SKU: PME100249 Target: FOLR1 Tag: C-6×His Tag
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100178P Target: FOLR1
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100163P Target: FOLR1
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100651B Target: FOLR1
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100651 Target: FOLR1
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
DiSliceX
SKU: SLI100017 Target: B4GALT1, B7H6, CD166, CD63, CXCR4, EPHA2, FOLR1, IGF-1R, IGFBP7, LGALS1, MSLN
Application: IHC
Price: 2 slides ¥899.00
Biosimilar reference antibodies
SKU: BME100178B Target: FOLR1
Application: ELISA, Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100163B Target: FOLR1
Application: ELISA, Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Monoclonal Antibodies
SKU: DMC100585B Target: FOLR1
Application: WB
Price: 10μg ¥1030.00 ; 50μg ¥3380.00 ; 100 μg ¥6080.00 ; 500 μg ¥19880.00
Monoclonal Antibodies
SKU: DMC100391B Target: FOLR1
Application: Flow Cyt
Price: 10μg ¥1030.00 ; 50μg ¥3380.00 ; 100 μg ¥6080.00 ; 500 μg ¥19880.00