微囊藻毒素（MC）是一类七肽单环肝毒素，MC-LR是一种强烈的肝脏肿瘤促进剂。

Microcystins (MC) are hepatotoxins containing cyclic heptapeptides. Microcystin-LR (MC-LR) is a strongly liver tumour promotor.

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Because of this, because cystic fibrosis is a disease that's caused by a single gene defect, there's been great interest in trying to treat cystic fibrosis with gene therapy.

就是因为如此,就因为囊胞性纤维症,是一种单基因病,人们对于用基因治疗,治愈囊胞性纤维症产生了很大的兴趣

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