News tagged with cardiac muscle

Related topics: heart failure , heart muscle

A heart of gold: Better tissue repair after heart attack (Update)

A team of researchers at MIT and Children’s Hospital Boston has built cardiac patches studded with tiny gold wires that could be used to create pieces of tissue whose cells all beat in time, mimicking ...

Nanotechnology / Bio & Medicine

created Sep 25, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Scientists grow mice heart muscle strip that beats

(PhysOrg.com) -- Scientists have grown a piece of heart muscle - and then watched it beat - by using stem cells from a mouse embryo, a big step toward one day repairing damage from heart attacks.

Medicine & Health / Medical research

created Oct 15, 2009 | popularity 5 / 5 (7) | comments 0

Scientists use silk from the tasar silkworm as a scaffold for heart tissue

(PhysOrg.com) -- Damaged human heart muscle cannot be regenerated. Scar tissue grows in place of the damaged muscle cells. Scientists from the Max Planck Institute for Heart and Lung Research in Bad Nauheim ...

Chemistry / Biochemistry

created Jan 30, 2012 | popularity not rated yet | comments 0 | with audio podcast

A cardiac use for stem cells

It's one of the most vexing problems in medical science: How can you mend a broken heart?

Medicine & Health / Medical research

created Feb 21, 2011 | popularity 4.8 / 5 (4) | comments 0

Running a marathon halts cellular suicide

Apoptosis, the natural 'programmed' death of cells, is arrested in the aftermath of strenuous exercise. Researchers writing in the open access journal BMC Physiology studied peripheral blood mononuclear cells (PBMCs), isolat ...

Medicine & Health / Medical research

created May 11, 2010 | popularity 4.3 / 5 (4) | comments 3 | with audio podcast

Thinner thighs, weaker heart

Men and women whose thighs are less than 60cm in circumference have a higher risk of premature death and heart disease, according to research published on BMJ.com today. The study also concluded that individuals whose thighs ...

Medicine & Health / Medical research

created Sep 03, 2009 | popularity 2.6 / 5 (5) | comments 3

A strategy to fix a broken heart (w/ Video)

These days people usually don't die from a heart attack. But the damage to heart muscle is irreversible, and most patients eventually succumb to congestive heart failure, the most common cause of death in ...

Medicine & Health / Medical research

created Aug 09, 2010 | popularity 4.6 / 5 (10) | comments 0 | with audio podcast

New genetic link between cardiac arrhythmias and thyroid dysfunction identified

Genes previously known to be essential to the coordinated, rhythmic electrical activity of cardiac muscle -- a healthy heartbeat -- have now also been found to play a key role in thyroid hormone (TH) biosynthesis, according ...

Medicine & Health / Genetics

created Sep 20, 2009 | popularity 4.3 / 5 (3) | comments 0

DNA sequence variations linked to electrical signal conduction in the heart

(PhysOrg.com) -- Scientists studying genetic data from nearly 50,000 people have uncovered several DNA sequence variations associated with the electrical impulses that make the heart beat. The findings, reported in Nature Ge ...

Medicine & Health / Genetics

created Nov 14, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Researchers gain detailed insight into failing heart cells using new nanotechnique

Researchers have been able to see how heart failure affects the surface of an individual heart muscle cell in minute detail, using a new nanoscale scanning technique developed at Imperial College London. The findings may ...

Medicine & Health / Medical research

created Feb 25, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Scientists identify key molecular regulator of cardiac hypertrophy

Scientists have identified a key molecular regulator of cardiac hypertrophy (enlargement of the heart) that may provide a therapeutic target for a major risk factor of heart failure and early death.

Medicine & Health / Medical research

created Jul 18, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Genome-wide hunt reveals links to abnormal rhythms behind sudden death, heart damage

A study among almost 50,000 people worldwide has identified DNA sequence variations linked with the heart's electrical rhythm in several surprising regions among 22 locations across the human genome. The variants were found ...

Medicine & Health / Genetics

created Dec 20, 2010 | popularity not rated yet | comments 0 | with audio podcast

A 'stitch in time' could help damaged hearts

A research team at Worcester Polytechnic Institute (WPI) has demonstrated the feasibility of a novel technology that a surgeon could use to deliver stem cells to targeted areas of the body to repair diseased ...

Medicine & Health / Medical research

created Dec 09, 2010 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Heart cells on lab chip display 'nanosense' that guides behavior

Johns Hopkins biomedical engineers, working with colleagues in Korea, have produced a laboratory chip with nanoscopic grooves and ridges capable of growing cardiac tissue that more closely resembles natural ...

Nanotechnology / Bio & Medicine

created Dec 15, 2009 | popularity 4 / 5 (2) | comments 1

Study shows key enzyme in fetal heart development also involved in adult heart disease

Scientists at the Stanford University School of Medicine have identified for the first time an enzyme that plays vital roles in both fetal heart development and in causing cardiac hypertrophy — an enlargement of the heart ...

Medicine & Health / Medical research

created Jun 30, 2010 | popularity not rated yet | comments 0 | with audio podcast