Tag: "heartbeats" at biology news

Protein tags regulate key ion channel

...sending out nervous impulses that become thoughts, heartbeats and basketball dunks. "We found that a little-studied process called sumoylation, previously associated with nuclear proteins, is active and essential outside the nucleus at the plasma membrane," said study author Steven Goldstein, M.D., Ph.D., profe...

NJIT student named Fellow by NJ Commission on Science and Technology

... a small stethoscope, has sensors that measure the heartbeats and breathing rates of astronauts. Data about their heart rates and breaths will be displayed on computer monitors visible to the astronauts or sent back to Earth for review by physicians. Gundel will design the integrated circuits for the sensors. ...

When in danger humans are similar to a deer in the headlights

...s compared to the neutral pictures. The number of heartbeats per minute was also lower after viewing the mutilation pictures than after looking at the others. "This pattern resembles the 'freezing' and 'fear bradycardia' seen in many species when confronted with threatening stimuli, mediated by neural circuit...

NIH renews network focused on how genes influence drug responses

...hy drugs used to treat potentially fatal irregular heartbeats (arrhythmias) are beneficial to some people and harmful to others. (Dan M. Roden, M.D., Vanderbilt University) The Amish Pharmacogenomics of Antiplatelet Intervention Study --$7.5 million provided by NIGMS to characterize the genetic basis for ...

Rhythm gene discovered

...our behaviors are rhythmic: breathing, swallowing, heartbeats and brain activity." Maricq conducted the study with biologist Mary Beckerle, deputy director and senior director for laboratory research at the University of Utah's Huntsman Cancer Institute; Kenneth Norman, a postdoctoral fellow; and Robert Fazz...

Engineered heart tissue offers insights into irregular heartbeats, defibrillator failure

...overter defibrillators (ICD) monitor the timing of heartbeats and can deliver small or large shocks to correct arrhythmias. Such devices have become increasingly common for patients who have experienced arrhythmias and are therefore at increased risk for future rhythm abnormalities, Bursac said. In patients wit...

Researchers now able to look deep into heart to view triggers of a heart's beat

...rchestral rhythm or the rat-a-tat-tat of irregular heartbeats could enable researchers to better understand the underlying causes of arrhythmias and sudden cardiac death. Indeed, a team from the University of Pittsburgh School of Medicine and Carnegie Mellon University report they have developed unique chemical...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

...electronic devices for treating heart arrhythmias heartbeats that are irregular in rhythm, rate or sequence. The sinoatrial (SA) node, a patch of cells called the pacemaker, generates cardiac rhythms for coordinated contractions and blood pumping. Malfunctions due to aging or diseases can lead to a range of po...

JCI table of contents: August 24, 2006

...udy identifies the mechanisms behind the irregular heartbeats caused by a lack of Casq2, and might explain why the hearts of humans lacking CASQ2 beat relatively normally, but can beat irregularly and put these individuals at risk of sudden death when they exercise. TITLE: Casq2 deletion causes sarcoplasmic r...

An irregular heartbeat makes exercise deadly

...udy identifies the mechanisms behind the irregular heartbeats caused by a lack of Casq2, and might explain why the hearts of humans lacking CASQ2 beat relatively normally, but can beat irregularly and put these individuals at risk of sudden death when they exercise. ...

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