Medical research

New collagen patch speeds repair of damaged heart tissue in mice

You can't resurrect a dead cell anymore than you can breathe life into a brick, regardless of what you may have gleaned from zombie movies and Dr. Frankenstein. So when heart cells die from lack of blood flow during a heart ...

Medical research

How to mend a broken heart: Advances in parthenogenic stem cells

Parthenogenesis is a form of asexual reproduction during which unfertilized eggs begin to develop as if they had been fertilized. It occurs naturally in many plants and a few invertebrate (some bees, scorpions, parasitic ...

Medical research

Pig tissue scaffolding allows hearts to be rebuilt post-implant

(Medical Xpress)—Using tissue from pigs, scientists at the Technion-Israel Institute of Technology have created a "scaffold" that preserves the infrastructure of natural blood vessels and supports human stem cells. The ...

Cardiology

Rhythm is it: Ion channels ensure the heart keeps time

The heartbeat is the result of rhythmic contractions of the heart muscle, which are in turn regulated by electrical signals called action potentials. Action potentials result from the controlled flow of ions into heart muscle ...

Medical research

Molecular imaging detects ischemic heart disease in diabetics

Research introduced at SNM's 58th Annual Meeting may lead to much-needed cardiovascular disease screening for diabetic patients at risk of ischemic heart disease, a disorder marked by significantly reduced blood flow in the ...

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