However, when poloxamer 188 was added, the cells were able to handle the stretching with no problem, in the same way as healthy heart muscle cells.
BBC: NEWS | Health | Heart drug for muscular dystrophy
None of the mice went into heart failure compared to 40% of DMD mice that had not had poloxamer 188 before being given the stressor drug.
Poloxamer 188 has already been tested in humans with sickle cell anaemia and was found to be safe in the short term - 24 hours of use.
The researchers then gave the DMD mice that had been treated with poloxamer 188 another drug to put stress on the heart and make it work harder and faster for 30 minutes.
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