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上海乾思生物科技有限公司
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18916423352

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Transwell實(shí)驗(yàn)服務(wù)|實(shí)驗(yàn)技術(shù)服務(wù)

時(shí)間:2015/7/1閱讀:239
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關(guān)鍵詞:Transwell實(shí)驗(yàn)服務(wù)|實(shí)驗(yàn)技術(shù)服務(wù)
簡介:世界*品牌Transwell實(shí)驗(yàn)服務(wù)|實(shí)驗(yàn)技術(shù)服務(wù)原裝,質(zhì)量保證,*。
Transwell實(shí)驗(yàn)服務(wù)|實(shí)驗(yàn)技術(shù)服務(wù)——pCzn1質(zhì)粒+Arctic Express宿主菌低溫表達(dá)體系。
我們具備豐富的蛋白表達(dá)設(shè)計(jì)經(jīng)驗(yàn)及實(shí)驗(yàn)操作技巧,承諾客戶不成功不收費(fèi)。在獲得重組蛋白產(chǎn)品的同時(shí),,我們也會提供相應(yīng)的原始數(shù)據(jù)和原始圖片,不需要再額外花費(fèi)精力重復(fù)實(shí)驗(yàn)。另一方面,,我們所有的實(shí)驗(yàn)數(shù)據(jù)真實(shí)可信,,我們提供原始的表達(dá)菌株和克隆質(zhì)粒,客戶可以依據(jù)我們的實(shí)驗(yàn)報(bào)告重復(fù)我們的實(shí)驗(yàn)結(jié)果,。
產(chǎn)品品牌:   http://www.,。。com/goodsid/fenleiyi/2868603/1.html    
測序?qū)嶒?yàn)流程:
細(xì)胞種在上室內(nèi),,因聚碳酸酯膜有通透性,,故可研究下層培養(yǎng)液中的成分對細(xì)胞生長、運(yùn)動(dòng)等的影響,。
根據(jù)transwell的特點(diǎn)(孔徑,,膜),可進(jìn)行如下方面研究:
1.共培養(yǎng)                   孔徑<3.0um
研究下室細(xì)胞B代謝物(分泌物)對上室細(xì)胞A的影響,。
2.細(xì)胞趨化               孔徑可選擇5.0,、8.0、12.0μm
研究進(jìn)入下室的細(xì)胞量,,反映下室成分對上室細(xì)胞的趨化能力
3.細(xì)胞遷移               孔徑常選擇8.0,、12.0μm
研究進(jìn)入下室的細(xì)胞量,,反應(yīng)上室細(xì)胞的遷移能力
4.細(xì)胞侵襲               孔徑常選擇8.0,、12.0μm,膜上室側(cè)鋪有基質(zhì)膠,,
研究進(jìn)入下室的細(xì)胞量,,反映上室細(xì)胞的侵襲能力
一、腫瘤細(xì)胞侵襲實(shí)驗(yàn)(transwell)
原理:
模仿體內(nèi)細(xì)胞外基質(zhì),,細(xì)胞只有分泌基質(zhì)金屬蛋白酶(MMPs),,降解基質(zhì)膠才可進(jìn)入下室。
步驟
1.  Transwell小室準(zhǔn)備
1)無基質(zhì)膠Transwell小室制備
A. 包被基底膜:
A. Matrigel (50mg/L)按1:8稀釋,,無血清培養(yǎng)基作為稀釋液
B. 取適量加入Transwell小室中(24孔板transwell小室加100 ul),,4℃操作。
C. 37℃培養(yǎng)箱中,,孵育4-5h(>5h),;出現(xiàn)“白色層"時(shí),說明已經(jīng)變?yōu)楣虘B(tài)。
2)有基質(zhì)膠Transwell小室制備
A. 小室放入培養(yǎng)板中,,上室加入300μl預(yù)溫的無血清培養(yǎng)基
B. 室溫下靜置15-30min,,使基質(zhì)膠再水化
C. 再吸去剩余培養(yǎng)液。
2.細(xì)胞懸液準(zhǔn)備
1)消化,、收集細(xì)胞,;
2)PBS洗1-2次
3)用含BSA的無血清培養(yǎng)基重懸(細(xì)胞密度約在1-10×105/ml)。
3. 細(xì)胞接種
1)取適量細(xì)胞懸液加入Transwell小室(按transwell說明),。24孔板小室一般200μl,。
2)24孔板下室一般加入500μl含F(xiàn)BS或趨化因子的培養(yǎng)基。注意避免氣泡產(chǎn)生(下層培養(yǎng)液和小室間)
3) 培養(yǎng)細(xì)胞:常規(guī)培養(yǎng)12-48h(主要依癌細(xì)胞侵襲能力而定),。
4. 結(jié)果統(tǒng)計(jì)

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