MP Biomedicals( MPbio)中國(guó)代理重慶市華雅干細(xì)胞技術(shù)有限公司 Accutase替換胰酶/EDTA/細(xì)胞消化液 ACCUTASETM細(xì)胞消化液 傳統(tǒng)貼壁細(xì)胞消化(胰酶/EDTA)的*替換產(chǎn)品 Accutase替換胰酶/EDTA/細(xì)胞消化液描述: Mpbio公司提供的ACCUTASE™具有蛋白酶和膠原酶活性,是胰酶/EDTA的替換產(chǎn)品,用于從常規(guī)組織培養(yǎng)器皿和粘附培養(yǎng)器皿中消化細(xì)胞。另外進(jìn)行細(xì)胞計(jì)數(shù)、轉(zhuǎn)染或分析檢測(cè)(如流式細(xì)胞術(shù))前,常加入一定量的accutase,將細(xì)胞集落 (clumps)分散成單個(gè)細(xì)胞然后進(jìn)行下游實(shí)驗(yàn)。Accutase因其消化方式溫和,對(duì)細(xì)胞傷害極低,不含任何動(dòng)物或細(xì)菌來(lái)源組分等特點(diǎn)成功替代傳統(tǒng)消化產(chǎn)品,廣泛應(yīng)用于常規(guī)貼壁細(xì)胞(血清培養(yǎng)細(xì)胞和無(wú)血清培養(yǎng)細(xì)胞)的消化,以及成為干細(xì)胞(如hESCs、mESCs等)傳代培養(yǎng)的產(chǎn)品之一。即用型的無(wú)菌產(chǎn)品,使用非常方便。 ACCUTASETM細(xì)胞消化液配方: Accutase具蛋白酶和膠原酶活性,以Dulbecco’s PBS溶液(含0.5 mM EDTA·4Na和酚紅)形式供應(yīng)。 ACCUTASETM細(xì)胞消化液優(yōu) 勢(shì): ● 應(yīng)用于絕大多數(shù)原代細(xì)胞和哺乳動(dòng)物細(xì)胞系的消化 實(shí)驗(yàn)驗(yàn)證的細(xì)胞系(cellline):成纖維細(xì)胞,角蛋白細(xì)胞,血管內(nèi)皮細(xì)胞,肝細(xì)胞,血管平滑肌細(xì)胞,肝細(xì)胞祖細(xì)胞,原代雞胚神經(jīng)細(xì)胞,骨髓干細(xì)胞,貼壁CHO和BHK細(xì)胞,巨噬細(xì),293細(xì)胞,L929 細(xì)胞,*性小鼠睪丸生殖細(xì)胞,3T3,Vero ,COS,HeLa,NT2,MG63, M24,A375轉(zhuǎn)移性黑色素瘤,神經(jīng)膠質(zhì)瘤U251和D54,HT1080纖維肉瘤細(xì)胞,Sf9 昆蟲(chóng)細(xì)胞。(參考文獻(xiàn)1-9) ● 溫和有效的消化胚胎干細(xì)胞(hESCs和mESCs),凍存后細(xì)胞具更高復(fù)蘇率(圖2,文獻(xiàn)10) ● 幾分鐘內(nèi)實(shí)現(xiàn)粘附細(xì)胞的分離,不需清洗或中和反應(yīng),節(jié)省細(xì)胞傳代時(shí)間 ● 溫和而快速的分離貼壁細(xì)胞,不會(huì)破壞流式細(xì)胞術(shù)檢測(cè)的表面抗原 ● 溫和消化維持zui高細(xì)胞活力,即使長(zhǎng)時(shí)間消化(45 min)細(xì)胞活力達(dá)97 ± 3%(圖1) ● 同時(shí)結(jié)合膠原酶和蛋白酶活性,不含哺乳動(dòng)物、細(xì)菌來(lái)源產(chǎn)品或昆蟲(chóng)桿狀病毒表達(dá)系統(tǒng)組分 應(yīng) 用: (1)替換胰酶/EDTA(Replacing Trypsin/EDTA) Accutase的用量和方法不需做改動(dòng),特別適用于在無(wú)血清和無(wú)蛋白培養(yǎng)基等不含血清的培養(yǎng)基內(nèi)貼壁細(xì)胞的分離。相比于胰酶/EDTA,優(yōu)點(diǎn)在于:即用型,使用方便;大大降低對(duì)細(xì)胞的傷害;提高細(xì)胞產(chǎn)量及細(xì)胞活力;增高鋪板效率;改善細(xì)胞形態(tài)(定性)和細(xì)胞生長(zhǎng)特性。 (2)功能分析(functional assays) 細(xì)胞表面標(biāo)志物分析,流式細(xì)胞術(shù),血清饑餓法檢測(cè)細(xì)胞靜止?fàn)顟B(tài),細(xì)胞增殖,轉(zhuǎn)染實(shí)驗(yàn),細(xì)胞趨觸分析,細(xì)胞、神經(jīng)嵴遷移實(shí)驗(yàn),腫瘤細(xì)胞遷移。 (3)組織解離(tissue disaggregation) 在4-25℃下進(jìn)行組織解離,因酶的特性切忌在37℃操作。根據(jù)組織類型和解離溫度優(yōu)化解離時(shí)間。一般情況下,4℃過(guò)一夜孵育(12-16hrs),25℃孵育1-2 hrs。 應(yīng)用實(shí)例:
操作步驟:(快速簡(jiǎn)單) (1)37℃或室溫溶解Accutase,用無(wú)菌PBS溶液清洗細(xì)胞培養(yǎng)容器(培養(yǎng)板、培養(yǎng)瓶等) 。 (2)以無(wú)菌操作的方式按 75 cm2表面積加入10 ml Accutase的量覆蓋貼壁細(xì)胞;重新放入37℃培養(yǎng)箱內(nèi),消化15-20 min。(消化時(shí)間可自行調(diào)整。大部分細(xì)胞處于Accutase中高達(dá)1小時(shí),對(duì)細(xì)胞無(wú)影響) (3)消化結(jié)束后,依常規(guī)操作進(jìn)行細(xì)胞計(jì)數(shù)和傳代:不需另做清洗和酶活終止步驟。
訂購(gòu)信息:
品 牌 | 貨 號(hào) | 名 稱 | 規(guī) 格 | 目錄價(jià) | 保存(效期) | Mpbio | 091000449 | AccutaseTM 細(xì)胞分離液 | 100 ml | 486.00 | -20°C(2年) |
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