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Isolation of rat Kupffer cells: a combined methodology for highly purified primary cultures.

机译:分离大鼠库普弗细胞:一种用于高度纯化的原代培养物的组合方法。

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摘要

We report a four-step procedure that optimizes the methodology for isolation of highly purified rat Kupffer cells (KC). We combined the previously reported techniques of enzymatic tissue treatment, density gradient centrifugation, centrifugal elutriation and selective adherence. ED-2 immunophenotyping and non-specific esterase histochemistry were used for cell identification. This combination resulted in a satisfactorily high yield of 80-100x10(6)KCs per liver, over 95% positive for ED-2 and 98% viable cells. Cultures of isolated KCs were functionally intact and exhibited a concentration and time-dependent LPS-induced TNF-alpha and nitric oxide production.
机译:我们报告了一个四步骤的过程,该过程优化了高纯度大鼠库普弗细胞(KC)分离的方法。我们结合了以前报道的酶组织治疗,密度梯度离心,离心淘析和选择性粘附技术。 ED-2免疫表型和非特异性酯酶组织化学用于细胞鉴定。这种组合产生令人满意的高产量,每个肝脏80-100x10(6)KCs,ED-2阳性95%以上,活细胞98%以上。分离的KCs培养物功能完整,并表现出浓度和时间依赖性LPS诱导的TNF-α和一氧化氮的产生。

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