Microtubules as a critical target for arsenic toxicity in lung cells in vitro and in vivo

To understand mechanisms for arsenic toxicity in the lung, we examined effects of sodium m-arsenite (As³⁺) on microtubule (MT) assembly in vitro (0-40 µM), in cultured rat lung fibroblasts (RFL6, 0-20 µM for 24 h) and in the rat animal model (intratracheal instillation of 2.02 mg As/kg body weight,...

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