News tagged with muscle tissue

Scar tissue turned into heart muscle without using stem cells

Scientists at Duke University Medical Center have shown the ability to turn scar tissue that forms after a heart attack into heart muscle cells using a new process that eliminates the need for stem cell transplant.

Cardiology created Apr 26, 2012 | popularity 4.9 / 5 (10) | comments 2 | with audio podcast

'Junk DNA' drives embryonic development

An embryo is an amazing thing. From just one initial cell, an entire living, breathing body emerges, full of working cells and organs. It comes as no surprise that embryonic development is a very carefully ...

Genetics created Dec 03, 2012 | popularity 5 / 5 (9) | comments 21 | with audio podcast

Cutting calories might help you live longer, but not without increased physical activity

Dietary restriction can slow age-related diseases and extend the lifespan of all species tested to date. Understanding this phenomenon might help people live longer, preferably without having to drastically limit calories. ...

Medical research created Jul 03, 2012 | popularity 4.6 / 5 (8) | comments 1 | with audio podcast

New injectable hydrogel encourages regeneration, improves functionality after heart attack

University of California, San Diego bioengineers have demonstrated in a study in pigs that a new injectable hydrogel can repair damage from heart attacks, help the heart grow new tissue and blood vessels, ...

Medical research created Feb 20, 2013 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Injectable gel could repair tissue damaged by heart attack

(Medical Xpress) -- University of California, San Diego researchers have developed a new injectable hydrogel that could be an effective and safe treatment for tissue damage caused by heart attacks.

Cardiology created Feb 22, 2012 | popularity 4.6 / 5 (7) | comments 3 | with audio podcast

Biomedical engineers patch a heart using novel tissue cell therapy

(Medical Xpress) -- Researchers at Columbia Engineering have established a new method to patch a damaged heart using a tissue-engineering platform that enables heart tissue to repair itself. This breakthrough, ...

Cardiology created May 06, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Tweaking a gene makes muscles twice as strong

A team of researchers at EPFL, the University of Lausanne and the Salk Institute created super strong, marathon mice and nematodes by reducing the function of a natural inhibitor, suggesting treatments for ...

Genetics created Nov 10, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

Missing link in Parkinson's disease found

Researchers at Washington University School of Medicine in St. Louis have described a missing link in understanding how damage to the body's cellular power plants leads to Parkinson's disease and, perhaps ...

Medical research created Apr 25, 2013 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Exercise triggers stem cells in muscle

University of Illinois researchers determined that an adult stem cell present in muscle is responsive to exercise, a discovery that may provide a link between exercise and muscle health. The findings could lead to new therapeutic ...

Medical research created Feb 06, 2012 | popularity 4.7 / 5 (6) | comments 0 | with audio podcast

Gene therapy reprograms scar tissue in damaged hearts into healthy heart muscle

A cocktail of three specific genes can reprogram cells in the scars caused by heart attacks into functioning muscle cells, and the addition of a gene that stimulates the growth of blood vessels enhances that effect, said ...

Cardiology created Jan 04, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Study shows that blocking an inflammation pathway prevents cardiac fibrosis

(Medical Xpress)—New research from UC Davis published in the Proceedings of the National Academy of Sciences shows that blocking an enzyme that promotes inflammation can prevent the tissue damage following a heart attack ...

Medical research created Mar 22, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Stem cells can be harvested long after death: study

Some stem cells can lay dormant for more than two weeks in a dead person and then be revived to divide into new, functioning cells, scientists in France said Tuesday.

Medical research created Jun 12, 2012 | popularity 4.2 / 5 (5) | comments 3

Body rebuilding: Researchers regenerate muscle in mice

A team of scientists from Worcester Polytechnic Institute (WPI) and CellThera, a private company located in WPI's Life Sciences and Bioengineering Center, have regenerated functional muscle tissue in mice, opening the door ...

Medical research created Nov 29, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Tension on gut muscles induces cell invasion in zebrafish intestine, mimicking cancer metastasis

The stiffness of breast tissue is increasingly recognized as an important factor explaining the onset of breast cancer. Stiffening induces molecular changes that promote cancerous behavior in cells. Bioengineering ...

Cancer created Sep 07, 2012 | popularity 4 / 5 (5) | comments 0 | with audio podcast

Shifting the balance between good fat and bad fat

In many cases, obesity is caused by more than just overeating and a lack of exercise. Something in the body goes haywire, causing it to store more fat and burn less energy. But what is it? Researchers at ...

Medical research created Jan 04, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Muscle

Muscle (from Latin musculus, diminutive of mus "mouse") is the contractile tissue of the body and is derived from the mesodermal layer of embryonic germ cells. Muscle cells contain contractile filaments that move past each other and change the size of the cell. They are classified as skeletal, cardiac, or smooth muscles. Their function is to produce force and cause motion. Muscles can cause either locomotion of the organism itself or movement of internal organs. Cardiac and smooth muscle contraction occurs without conscious thought and is necessary for survival. Examples are the contraction of the heart and peristalsis which pushes food through the digestive system. Voluntary contraction of the skeletal muscles is used to move the body and can be finely controlled. Examples are movements of the eye, or gross movements like the quadriceps muscle of the thigh. There are two broad types of voluntary muscle fibers: slow twitch and fast twitch. Slow twitch fibers contract for long periods of time but with little force while fast twitch fibers contract quickly and powerfully but fatigue very rapidly.

For more information about Muscle, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

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