Tag: "pacemakers" at biology news

Purdue Study Aims To Boost MRI Capabilities

...udes some patients, such as those who have cardiac pacemakers or metal implants in their body," he says. "Otherwise, there are no known long-term effects caused by an MRI environment. After 13 years of medical experience, and millions of patients, MRI has proven to be one of the most effective and safe imaging ...

Evaluation Of The Two Types Of Cardiac Pacemakers Indicates Only Modest Differences In Value

Implanted cardiac pacemakers have been used to treat people with slow heartrate...Miami. Not surprisingly, the researchers say, both pacemakers dramatically improved thehealth-related quality of life of patients. Unexpectedly, however, therese...

Protecting the Beat Of Life: Test Center Studies Interaction Between Pacemakers & Electronic Article Surveillance Systems

...ces, causing concern for somestore customers using pacemakers or implantable defibrillators. Researchers at the Georgia Tech Research Institute(GTRI) are working with manufacturers of both types of equipment tounderstand — and therefore help prevent — potentially harmfulinteractions. The work takes pl...

Researchers Discover Novel Gene Family Responsible For Pacemaker Activity In Brain And Heart

...hich to studythe effects of abnormally functioning pacemakers on health. Identifying the genes that control pacemaker activity in the heart andbrain should make it possible to develop screening tests for cardiac andneurological disorders that result from mutations or other biochemical changesthat cause ...

University Of Pittsburgh Reports Novel Ways To Improve Transplant Acceptance At Transplantation Society Meeting

... Society held July 12-17 in Montreal. Known asthe pacemakers of the immune system, DCs are specialized white blood cells thatregulate the activity of other immune cells within the body. In the case oforgan transplantation, investigators are harnessing DCs to teach T cells totolerate transplanted organs that w...

Two Modes Of Aging Discovered In Fruit Flies

...gs suggest that reproduction may be one of the key pacemakers ofaging," says UC Davis insect demographer James R. Carey. Results from thestudy of 2,500 medflies will be published in the Aug. 14 issue of the journalScience. Carey and colleagues compared the fertility and life span of medflies receivinga diet o...

Whitaker makes largest individual grants ever totaling more than $30 million

...uch advances as totalhip-joint replacements, heart pacemakers and defibrillators, the heart-lungmachine, diagnostic imaging, and engineered human skin for transplant. The Whitaker Foundation, created in 1975, has based its grant programs on thebelief that engineering can help solve medical problems and improve ...

Center For Future Health Aims To Bring High-Tech, Low-Cost Health Care To The Home

...ital. Thelatest technology -- CT and MRI scanners, pacemakers and the like -- usuallydoesn't reach the patient's bedside until he or she is already ill or injured. The University of Rochester is out to change that. The University haslaunched its Center for Future Health, whose mission is to create new, ...

Cyclin B1 identified as a new tumor antigen and candidate for the development of a cancer vaccine

... cell line. Dendritic cells are referred to as the pacemakers of the immune system they are the first cells to recognize and process antigens. Antigens are substances that cause the immune system to make a specific immune response by producing antibodies and killer T cells. When the researchers examined the im...

UPCI presents study on dendritic cells in prostate cancer

...ed until Tuesday, April 9 Dendritic cells, as the pacemakers of the immune system, play a critical role in the primary immune response. They are the first cells to recognize antigens and to assist in the production of an immune response by helping to produce antibodies to fight disease. In the current study, U...

First biologic pacemaker created by gene therapy in guinea pigs

... an individual's pacemaker cells or develop hybrid pacemakers -- part electronic and part biologic," says Eduard...igh a risk for infection from implanted electronic pacemakers or too small for an implanted device, say the researchers. "A biologic pacemaker should also be ab...

Pacemaker therapy halves heart failure deaths

Using specialized pacemakers to recharge the weakened hearts of heart failure p...., Ph.D., a cardiology fellow. "These specialized pacemakers have been known to improve the quality of life for heart failure patients, but whether they also sav...

Study of nature's machinery takes center stage at UH

... credit cards, ruin watches and affect people with pacemakers who come too close. A specially-marked carpet and warnings within the facility clearly indicate safety zones. The NMR joins other state-of-the-art research equipment in the IMD. "The Institute for Molecular Design at UH is one of the oldest in the c...

JCI table of contents, May 15, 2003

...proximately half of all individuals implanted with pacemakers suffer from sinus node dysfunction. A new study of one such patient reveals a previously unknown mutation in the gene thought to primarily regulate the rhythmicity of the beating heart. TITLE: Pacemaker channel dysfunction in a patient with sinus no...

New approach limits damage after heart attack and improves survival, say Scripps Research scientists

...re additional procedures, such as the insertion of pacemakers or heart transplants. For the first time, a possible treatment for this secondary damage has been proposed by Cheresh, Weis, and their colleagues--the use of a class of compounds known as Src kinase inhibitors. In the latest issue of the Journal ...

University of Chicago scientists pinpoint cellular cause of SIDS

...ts suspect that a malfunction in these respiratory pacemakers is the cellular mechanism that leads to SIDS. "Th...only applied riluzole to silence the sodium-driven pacemakers but also the drug cadmium to silence the calcium-driven pacemakers. The rhythm stopped, confirming t...

UCSD undergraduates participate in collaborative studies abroad on cyberinfrastructure

...impact of temporal and spatial distribution of two pacemakers around the heart to understand therapeutic optimizations. Nguyen, who is the first member of his family to attend college, aspires to incorporate a Rocks cluster, NIMROD, and GAMESS into a ready system for scientific data computing. And Kondrick wil...

Annals of internal medicine tip sheet, July 20, 2004

...cuss effects of air travel and security devices on pacemakers and implantable automatic defibrillators; preflight screening; and in-flight venous thrombosis. They make recommendations on safe air travel after heart attacks and prevention of in-flight deep venous thrombosis. Authors also present a nine-item pre...

Testing the fitness of biological clocks

...ing to understand the benefits that these internal pacemakers provide when they work and the problems they cause when they malfunction. A study performed by researchers at Vanderbilt University and published in the Aug. 24 issue of the journal Current Biology sheds new light on this issue. Using blue-green alga...

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