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Biochemical and Molecular Biological Insights into Aluminum Toxicity in Biology and Medicine

机译:生化和分子生物学洞察铝和生物医学中的毒性

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It was shown that the rate of excretion of aluminum in the urine was assumed to have a limiting value. Therefore, an excess intake of aluminum indicated that the aluminum content in the body remained high for several days after the absorption of aluminum from the intestine. Accumulation of aluminum in the body has been linked to disease conditions. The toxic effects of aluminum to neuronal cells were examined to show apoptotic cell death via endoplasmic reticulum stress, implicating an influence of aluminum on the gene expression. Also, it was shown that astrocyte-neuron interaction was important in the process of toxic effects in the central nervous system. In addition, renin was the only positively identified up-regulated gene in kidneys determined by DNA sequencing. The up-regulation of renin was confirmed by RT-PCR and Western blotting experiments in the dose dependent treatments and the time course observation in mice. The up-regulation of the renin expression by aluminum is a strong indication of the influence of aluminum on the renin-angiotensin-aldosterone-system, resulting in the induction of essential hypertension.
机译:结果表明,尿液中铝的排泄速率被认为具有极限值。因此,过量摄入铝表明从肠吸收铝后几天体内的铝含量仍然很高。铝在体内的积累与疾病状况有关。检查了铝对神经元细胞的毒性作用,以显示通过内质网应激导致凋亡的细胞死亡,这暗示了铝对基因表达的影响。此外,还表明星形胶质细胞-神经元相互作用在中枢神经系统毒性作用的过程中很重要。另外,肾素是通过DNA测序确定的肾脏中唯一被阳性鉴定的上调基因。肾素的上调通过剂量依赖性治疗中的RT-PCR和蛋白质印迹实验以及在小鼠中的时程观察得到证实。铝对肾素表达的上调强烈指示铝对肾素-血管紧张素-醛固酮系统的影响,从而导致原发性高血压。

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