Analysis of the interference of polyphenols and proanthocyanidins on the neutral red assay for cell viability.

作者: Maitree Suttajit , Wandee Wattanachaiyingcharoen , Robert W. Gracy , Puksiri Sinchaiyakit , Surisak Prasarnpun

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摘要: The neutral red uptake assay has been wildly used for screening cell viability. However, several natural polyol compounds such as polyphenolics and flavonoids have observed to interfere with the give false positive results. This study was designed determine whether polyphenolic proanthocyanidins extracted from tamarind seed husk (TSH) affect Two kinds of normal cells, retina ganglion cells (RGC-5) hippocampal (HT-22), were in study. It found that by using assay, TSH extract increased viability maximum level 2-folds higher than control. artifact similarly shown both serum-free serum-added media which had no proliferation. Therefore, may not suitably survival test especially presence or materials containing polyphenols proanthocyanidins. Keywords: Polyphenol, proanthocyanidins, viability, assay.

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