I-1c gene therapy: Not such a good idea in heart failure?

Several lines of evidence, including the observation that the protein I-1 is downregulated in human failing hearts, have led to the suggestion that gene therapy to express a constitutively active form of the protein (I-1c) might provide a new approach to treating heart failure. However, Ali El-Armouche, Thomas Eschenhagen, and colleagues, at University Medical Centre Hamburg-Eppendorf, Germany, have now generated data in mice indicating that I-1c might have deleterious effects on the heart under certain circumstances, leading them to suggest that the benefit/risk ratio of I-1c gene therapy should be reevaluated...

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