ExoView外泌體全面表征試劑盒
外泌體計(jì)數(shù)、粒徑、蛋白表達(dá)、蛋白共定位次完成
檢測(cè)樣本類型 | 對(duì)細(xì)胞培養(yǎng)上清、血漿、血清、尿液、腦脊液、唾液等生物樣本中的外泌體直接進(jìn)行分析 |
捕獲抗體種類 | anti-CD81, anti-CD9, anti-CD63, 同型IgG對(duì)照;可自定義 |
單次上樣體積 | 35 µl稀釋樣本 |
重復(fù)檢測(cè)數(shù)目 | 3復(fù)孔 |
熒光抗體種類 | CD9(Blue)/ CD81(Green)/ CD63(Red) |
實(shí)驗(yàn)原理
① 35 μL外泌體樣品滴加在芯片上孵育;
② 預(yù)包被的抗體異結(jié)合外泌體表面蛋白以捕獲外泌體;
③ 再使用熒光抗體異性標(biāo)記需要表征的標(biāo)記物;
④ 后用ExoView R100檢測(cè)外泌體粒徑、計(jì)數(shù)、蛋白表達(dá)(CD9,CD81,CD63等)及共定位。
檢測(cè)流程
產(chǎn)品類別
產(chǎn)品貨號(hào) | 產(chǎn)品名稱 |
EV-TETRA-C | 人外泌體檢測(cè)試劑盒 |
EV-TETRA-P | 人血漿外泌體檢測(cè)試劑盒 |
EV-TETRA-M2 | 鼠外泌體檢測(cè)試劑盒 |
EV-TETRA-C-CAR | 人外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-TETRA-P-CAR | 人血漿外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-TC-FLEX | 自由捕獲人外泌體檢測(cè)試劑盒 |
EV-TP-FLEX | 自由捕獲人血漿外泌體檢測(cè)試劑盒 |
EV-TC-FLEX-CAR | 自由捕獲人外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-TP-FLEX-CAR | 自由捕獲人血漿外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-TM-FLEX | 自由捕獲鼠外泌體檢測(cè)試劑盒 |
EV-TM-FLEX-CAR | 自由捕獲鼠外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-FLEX-2 | 自由捕獲外泌體檢測(cè)試劑盒 |
EV-FLEX-2 -CAR | 自由捕獲外泌體內(nèi)容物檢測(cè)試劑盒 |
EV-CTETRA-1/2/3 | 人外泌體檢測(cè)試劑盒+1/2/3個(gè)自定義捕獲抗體 |
EV-CTETRA-1/2/3-CAR | 人外泌體內(nèi)容物檢測(cè)試劑盒+1/2/3個(gè)自定義捕獲抗體 |
EV-CUST-1/2/3/4/5/6 | 自定義1/2/3/4/5/6抗體捕獲外泌體檢測(cè)試劑盒 |
EV-CUST-1/2/3/4/5/6-CAR | 自定義1/2/3/4/5/6抗體捕獲外泌體內(nèi)容物檢測(cè)試劑盒 |
試劑盒點(diǎn)
異性捕獲 芯片上可包被多達(dá)6種捕獲抗體,異性捕獲含定蛋白標(biāo)記物的外泌體。
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對(duì)陽性外泌體計(jì)數(shù) 芯片捕獲外泌體后,可通過SP-IRIS技術(shù)直接檢測(cè)樣品中外泌體的數(shù)量。
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單個(gè)外泌體蛋白共定位分析 檢測(cè)每個(gè)外泌體的熒光信號(hào)并進(jìn)行統(tǒng)計(jì),可獲得熒光共定位信息,用于分析樣品中不同表型外泌體的比例(如右圖所示)。
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無需純化
使用抗體捕獲模式,防止樣品中雜質(zhì)影響結(jié)果,可直接檢測(cè)血液、尿液和細(xì)胞培養(yǎng)液中的外泌體,未純化樣品的測(cè)量結(jié)果與純化后基本致(如右圖所示)。
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粒徑分辨率高
高精度SP-IRIS技術(shù),可檢測(cè)≥50 nm的外泌體,測(cè)量結(jié)果與電子顯微鏡檢測(cè)結(jié)果基本致,并統(tǒng)計(jì)生成外泌體的粒徑分布結(jié)果(如右圖所示)。
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可檢測(cè)外泌體內(nèi)容物
試劑盒配套相應(yīng)的穿膜劑,可穿透外泌體并對(duì)外泌體內(nèi)容物進(jìn)行染色并檢測(cè),未穿膜時(shí)只能檢測(cè)到跨膜蛋白CD9的熒光信號(hào),穿膜后即可檢測(cè)到外泌體內(nèi)容物Syntenin的表達(dá)(如右圖所示)。
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測(cè)試數(shù)據(jù)
外泌體熒光數(shù)量統(tǒng)計(jì)
外泌體粒徑檢測(cè)
外泌體內(nèi)容物檢測(cè)
熒光強(qiáng)度與粒徑關(guān)系
熒光共定位分析
發(fā)表文章
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• K Cho, H Kook.(2020)Study of immune-tolerized cell lines and extracellular vesicles inductive environment promoting continuous expression and secretion of HLA-G from semiallograft immune tolerance during pregnancy. Journal of Extracellular Vesicles.
• Maximillian A. Rogers.(2020)Annexin A1–dependent tethering promotes extracellular vesicle aggregation revealed with single–extracellular vesicle analysis. Cell Biology.
• Annette M. Marleau.(2020)Targeting tumor-derived exosomes using a lectin affinity hemofiltration device. Cancer Research.
• Alessandro Gori.(2020)Membrane-Binding Peptides for Extracellular Vesicles On-Chip Analysis. Journal of Extracellular Vesicles.
• Rossella Crescitelli.(2020)Subpopulations of extracellular vesicles from human metastatic melanoma tissue identified by quantitative proteomics after optimized isolation. Journal of Extracellular Vesicles.
• Maria S. Panagopoulou.(2020) Phenotypic analysis of extracellular vesicles: a review on the applications of fluorescence. Journal of Extracellular Vesicles.
• WeiYan.(2020) Immune Cell-Derived Exosomes in the Cancer-Immunity Cycle. Trends in Cancer.
• Daniel Bachurski. (2019) Small RNA Sequencing across Diverse Biofluids Identifies Optimal Methods for exRNA Isolation. Cell.
用戶單位