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Similar to passengers on an urban transit system, every protein made in the cell has a specific destination and function. Channels in cell membranes help direct these proteins to their appropriate target. Researchers at Boston University School of Medicine and their colleagues have now captured images of these channels as they open to allow proteins to pass through a membrane, while the proteins are being made.
Officials from America's Health Insurance Plans have proposed a plan they estimate could reduce U.S. health care spending by $145 billion by 2015, The Politico reports. The group plans to present its findings to congressional committee chairs and ranking members and to hold a policy briefing.
People with mild depression underestimate their talents. However, new research carried out researchers at the University of Limerick and the University of Hertfordshire shows that depressed people are more accurate when it comes to time estimation than their happier peers.
Long-term research that was initiated at UCLA's Jonsson Comprehensive Cancer Center on lymphatic mapping and sentinel-node biopsy, techniques for detecting the earliest spread (metastasis) of melanoma, the deadliest form of skin cancer, has confirmed that these techniques significantly prolong patients' disease-free and melanoma-specific survival over the traditional observational "watch and wait" techniques.
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