News tagged with pacemaker cells

Ordinary heart cells become 'biological pacemakers' with injection of a single gene

Cedars-Sinai Heart Institute researchers have reprogrammed ordinary heart cells to become exact replicas of highly specialized pacemaker cells by injecting a single gene (Tbx18)–a major step forward in the decade-long search ...

Medical research Dec 16, 2012 | 5 / 5 (5) | 1 |

Study finds possible link between diabetes and increased risk of heart attack death

Having diabetes doubles a person's risk of dying after a heart attack, but the reason for the increased risk is not clear. A new University of Iowa study suggests the link may lie in the over-activation of an important heart ...

Cardiology Feb 15, 2013 | not rated yet | 0 |

Technique to stimulate heart cells may lead to light-controlled pacemakers

(Medical Xpress) -- A new technique that stimulates heart muscle cells with low-energy light raises the possibility of a future light-controlled pacemaker, researchers reported in Circulation: Arrhythmia & Electrophysiology, a jour ...

Medical research Aug 09, 2011 | not rated yet | 0 |

Sea squirt pacemaker gives new insight into evolution of the human heart

An international team of molecular scientists have discovered that star ascidians, also known as sea squirts, have pacemaker cells similar to that of the human heart. The research, published in the JEZ A: Ecological Genetics an ...

Medical research Aug 02, 2011 | not rated yet | 0 |

Researcher finds caffeine consumption, female infertility link

Caffeine reduces muscle activity in the Fallopian tubes that carry eggs from a woman's ovaries to her womb. "Our experiments were conducted in mice, but this finding goes a long way towards explaining why drinking caffeinated ...

Medical research Jul 20, 2011 | 5 / 5 (2) | 0 |

Success in patients with major depression: For the first time, physicians stimulated patients' medial forebrain bundles

Researchers from the Bonn University Hospital implanted pacemaker electrodes into the medial forebrain bundle in the brains of patients suffering from major depression with amazing results: In six out of ...

Psychology & Psychiatry Apr 09, 2013 | 4.9 / 5 (7) | 5

Why caffeine can reduce fertility in women

Medical research May 26, 2011 | 5 / 5 (1) | 0

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 ...

Cardiology Sep 09, 2011 | 5 / 5 (1) | 0