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What If Damaged Hearts Could Heal Themselves?

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if damaged hearts could heal themselves Hemera Technologies/AbleStock.com/Thinkstock

Medical research must be one of the truly interesting, rewarding and intriguing fields to work in.

Not only do you get to spend your days refining new innovations that will change the health outlook and improve the lives of millions, but your waking hours are spent in a constant state of wonder and creativity asking the question -- What if?

For example, what if your body’s own stem cells could be used to heal damaged heart muscles?

What if you didn’t need stems cells to repair a damaged heart?

What if you already had everything you needed inside you already and a damaged heart muscle could simply regenerate and repair itself?

Think of the possibilities!

The field of regenerative medicine is an exciting and relatively new field of medicine.

Most of us are familiar on some level with stem cell research. Found in bone marrow, umbilical cords, and the placenta, stem cells possess the unique ability to divide and become specialized cells, including heart muscle cells.

As cells from which all other cells are generated, the stem cell is the only cell in the body which possesses this ability to become a new type of cell.

For some time, researchers worldwide have been exploring ways to harvest and use stem cells to repair damaged heart muscles.

Now, researchers from Duke University Medical Center have taken regenerative medicine in a new direction by asking this simple question -- What if damaged heart muscles could simply regenerate without the necessity of stem cells?

While this may sound like science fiction, it may become a reality in the not-so-distant future. For the first time ever, Duke University researchers were able to convert heart muscle scar tissue into healthy heart muscle cells in a live animal subject.

As with other parts of the body, the heart muscle can form scar tissue, or fibroblasts, after an injury such as a heart attack. Led by the study’s senior author, Dr. Victor J. Dzau, researchers implanted microRNAs into these fibroblasts.

MicroRNAs are molecules which regulate and control gene activity.

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Medicine is truly entering an exciting time. We are exploring things not even thought possible 10 years ago.


May 23, 2012 - 9:05am
Blogger (reply to Marielaina Perrone DDS)

Hello Marielaina.... You are so right!  My brothers and I were incredible science fiction fans growing up and I remember so many stories where people would be injured in the show and a shot given and new bones grew, spinal columns reconnected, skin healed, etc etc.  It is so exciting to see technology catch up with the dreams.  I see such wonderful possibilities for this technology.

Thanks so much for reading and posting!  Mary

June 4, 2012 - 6:50pm
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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