Heart Disease

Heart, heal theyself

A group of researchers from University College London made a splash this week with their work prodding heart muscle to repair itself. This is big news, given both the number of people who have heart attacks (more than 1 million per year in the US) and the number of stem cell scientists working to regenerate the damage (23 awards worth $46 million from CIRM).

Genes at the heart of heart deformities found through stem cell studies

CIRM grantees at The Gladstone Institutes have, over the past few years, been hard at work learning about the origins of heart deformities by studying how stem cells mature into heart tissue.

Guest blogger Alan Trounson - April's stem cell highlights

Alan Trounson is President of CIRM

Since I arrived at CIRM late in 2007 I have maintained a tradition of presenting some of the top science journal papers from the previous month or two at each of our Board meetings. Beginning last month, I decided this would be easier to digest in a written document than in PowerPoint slides amid a harried board meeting. You can see an archive of these periodic stem cell reports on our website.

Skin cells to beating heart cells in just 11 days

(Comment: it appears that we already blogged about this study back in February. It's interesting work, though, so this second blog entry gets to remain.)

iPS cells lead to drug discovery for heart disease, autism up next

We've long claimed that one ideal role for iPS cells is modeling disease and screening drugs. In fact, we're so committed to that idea we produced a video about it with CIRM grantee Bruce Conklin at the Gladstone Institutes. Scientific American also has a story on disease model their March issue, available online.

Stem cells for a broken heart? Maybe one day

The LA Times has a timely story in the week leading up to Valentine's day summarizing the role of stem cells in mending a broken heart. There's been a lot of talk - and a lot of money invested -- over the past few years pushing bone marrow stem cells as a tool for repairing damage after heart attack.

Stem cells model heart disease, test drugs

Nature has a story that features a promising use for stem cells, and also provided a creative outlet for whoever is writing headlines over there: "Cells snag top modelling job".

Magnets draw stem cells to heart damage

Researchers at Cedars-Sinai Heart Institute have used magnets to guide cardiac stem cells to damaged areas of animal hearts. In a press release, senior author Eduardo Marban said:
 

Molecules found that control the development of blood vessel cells

Researchers at the Gladstone Institute of Cardiovascular Disease have identified two molecules, called microRNAs, that push early heart cells to mature into the smooth muscle cells that line blood vessels. These same molecules also control when those smooth muscle cells divide to repair damage or in diseases such as cancer or atherosclerosis, which both involve unhealthy blood vessel growth. The two microRNAs, miR-145 and miR-143, are abundant in the primitive heart cells of prenatal mice, leading those cells to differentiate into various mature heart and aorta cells.

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