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Immune Cells Make Flexible Choices 2012-11-20

By W. Ndifon

Our immune system must be tremendously complex to respond to the unending assault of viruses, bacteria and cancerous cells. One of the mechanisms used by the immune system to cope with the huge variety of possible threats is to randomly combine DNA

Stem Cell Bodyguards: Rare Immune Cells Keep Blood Stem Cells Youthful 2012-11-20

By Aya Ludin

Hiding deep inside the bone marrow are special cells. They wait patiently for the hour of need, at which point these blood-forming stem cells can proliferate and differentiate into billions of mature blood immune cells to help the body cope with inf

3-D Structure of an Unmodified G Protein-Coupled Receptor in Its Natural Habitat 2012-11-20

By Sang Ho Park

Scientists have determined the three-dimensional structure of a complete, unmodified G-protein-coupled receptor in its native environment: embedded in a membrane in physiological conditions.

Immune Cells of the Blood Might Replace Dysfunctional Brain Cells 2012-11-20

By N. H. Varvel

Blood-circulating immune cells can take over the essential immune surveillance of the brain, this is shown by scientists of the German Center for Neurodegenerative Diseases (DZNE) and the Hertie Institute for Clinical Brain Research in Tübingen

New Guidelines to Prevent Cheerleading Injuries 2012-11-20

By American Academy of Pediatrics

Over the past few decades, cheerleading has evolved from leading the crowd in cheers at football games to a competitive, year-round sport featuring complex acrobatic stunts performed by a growing number of athletes- and as a result the number and se

One-Third of Parents Concerned About Losing Jobs, Pay When They Stay Home With Sick Kids 2012-11-20

By University of Michigan Health System

Many child care providers have rules that exclude sick children from care, spurring anxious moments for millions of working parents. In a new University of Michigan poll, one-third of parents of young children report they are concerned about losing

'Blue' Light Could Help Teenagers Combat Stress 2012-11-20

By Mariana G. Figueiro, Mark S. Rea

Adolescents can be chronically sleep deprived because of their inability to fall asleep early in combination with fixed wakeup times on school days. According to the CDC, almost 70 percent of school children get insufficient sleep -- less than 8 hou

New Test May Uncover Deadly Hypertension Disease in Pregnancy 2012-11-20

By UC Santa Barbara

Collaborators at Cottage Health System and UC Santa Barbara's College of Engineering have identified biomarkers that may yield a revolutionary diagnostic test for pre-eclampsia, a complex and potentially life-threatening hypertensive condition affec

Alarming Increase in Malignant Melanoma On the West Coast of Sweden 2012-11-20

By University of Gothenburg

Malignant melanoma is as much as 35% more common among people who live in Gothenburg and the region's coastal municipalities than those who live inland. Researchers at Sahlgrenska Academy, University of Gothenburg, Sweden, have found that the number

Gastric Bypass Surgery Just as Effective in Teenagers as in Adults, Study Suggests 2012-11-20

By T. Olbers

Teenagers with severe obesity can benefit from gastric bypass surgery just as much as adults. A study by Sahlgrenska Academy, University of Gothenburg, Sweden and Karolinska Institutet, Sweden found that 81 teenagers lost an average of 96.8 pounds f

Link Found Between Alzheimer's Disease and Protein Regulation in the Brain -- Hope for New Treatments 2012-11-20

By Yifat Segev

A link has been discovered between Alzheimer's disease and the activity level of a protein called eIF2alpha. This has been reported in a new study conducted at the University of Haifa's Sagol Department of Neurobiology, recently published in the jou

Kinesin 'Chauffeur' Helps HIV Escape Destruction 2012-11-20

By Raphael Gaudin

A study in The Journal of Cell Biology identifies a motor protein that ferries HIV to the plasma membrane, helping the virus escape from macrophages.

Helping Ex-Smokers Resist the Urge 2012-11-20

By Shupeng Li

A new inhibitor helps previously nicotine-addicted rats stay on the wagon, according to a study published on Oct. 22 in The Journal of Experimental Medicine.

Statins May Reduce Risk of Esophageal Cancer 2012-11-20

By Mayo Clinic

Statins, a cholesterol lowering drug may lower the risk of esophageal cancer, especially in patients with Barrett's esophagus, Mayo Clinic researchers report in a study being presented at the American College of Gastroenterology annual meeting.

Improving the Safety of Angioplasty in Patients With Coronary Bypass Graft Disease 2012-11-20

By Thomas Jefferson University

Researchers at Thomas Jefferson University Hospital have shown that combining distal protection devices with the prophylactic use of the drug nicardipine is more effective at preventing life-threatening complications following a percutaneous coronar

Electrical Stimulation of the Esophagus Promising Treatment for Unresolved Reflux Symptoms 2012-11-20

By American College of Gastroenterology

Clinical evidence of the safety and effectiveness of electrical stimulation of a muscular valve in the esophagus demonstrates promising results in resolving symptoms of gastroesophageal reflux (GERD) and is being presented at the 77th Annual Scienti

Death from GI Bleeding Decreased in United States in Past Two Decades 2012-11-20

By American College of Gastroenterology

The number of patients dying from upper gastrointestinal bleeding has decreased over the past two decades, a result researchers attribute to the advances in medical and endoscopic therapies introduced over the past 20 years, according to a report un

C. Diff Infections Becoming More Common, Severe in Children and Elderly 2012-11-20

By Mayo Clinic

Clostridium difficile infections are becoming more common and more severe in hospitalized children and the elderly, in large part due to greater use of antibiotics, Mayo Clinic researchers report in studies being presented at the American College of

Unique Feature of HIV Helps Create Antibodies, Researchers Discover 2012-11-20

By Penny L. Moore

A new AIDS study, published Oct. 22 in the journal, Nature Medicine, describes how a unique change in the outer covering of the virus found in two HIV infected South African women enabled them to make potent antibodies which are able to kill up to 8

Excessive Daytime Sleepiness Common in High School Students 2012-11-20

By American College of Chest Physicians

New research shows that high school students experience excessive daytime sleepiness (EDS), with most students sleeping fewer than 7 hours per night.

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