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Most human-chimp differences due to gene regulation – not genes

The vast differences between humans and chimpanzees are due more to changes in gene regulation than differences in individual genes themselves, researchers from Yale, the University of Chicago, and the Hall Institute in Parkville, Victoria, Australia, argue in the 9 March 2006 issue of the journal Nature.

The scientists provide powerful new evidence for a 30-year-old theory, proposed in a classic paper from Mary-Claire King and Allan Wilson of Berkeley. That 1975 paper documented

Major biomarker candidates for Alzheimer’s disease explored: holds promise for improving the diagnosis and …

… Management of Dementia

Alzheimer’s disease–specific biomarkers clearly are needed for the differential diagnosis of cognitive impairment in the elderly. What sets age-related disorders like hypertension, hypercholesterolemia and diabetes mellitus apart from Alzheimer’s disease is that each has biomarkers that can be followed easily and repeatedly, not simply to diagnose, but also to monitor response and optimize treatment. In contrast, the current role of clinical labor

Record-breaking luminosity boosts discovery potential at Fermilab’s Tevatron collider

The record-breaking performance of the Tevatron collider at the Department of Energy’s Fermi National Accelerator Laboratory is pushing the search for dark matter, supersymmetric particles and extra dimensions to new limits. Repeatedly smashing peak luminosity records, the Tevatron has created record numbers of proton-antiproton collisions that provide the means to unveil the secrets of the universe. Accelerator experts at the lab announced today (March 2) that in only 14 months the Tevatron

Lymphocytes From A Risk Group

The thyroid gland is very sensitive to ionizing radiation. The number of patients with thyroid gland cancer is particularly high among those who endured the Chernobyl catastrophe in childhood. Ultrasonic scanning and bioptic tests investigations are usually used for early detection of thyroid gland cancer but researchers do not stop the search of more efficient methods.

They deal with molecular markers of cancer in order to discover mutation of the genes participating in carcinogenesis.

Mining the human genome for signs of recent selection

By scanning the entire human genome in search of genetic variations that may signal recent evolution, University of Chicago researchers found more than 700 genetic variants that may be targets of recent natural positive selection during the past 10,000 years of human evolution.

In one of the first comprehensive genome scans for selection, the researchers found widespread evidence of evolution in all of the populations studied. Their results are published and freely available online in t

New technology uses radio to keep stock in order

Research financiers Vinnova in Sweden and Tekes in Finland have granted SEK 6 million to a Nordic research project in printed electronics and RFID, Radio Frequency Identification. Eventually RFID will replace bar codes on packaging, for example. With the help of radio technology, many items can then be identified at the same time, which is of great value in taking inventory, for instance. The research project was initiated by a research team in RFID technology at Mid Sweden University.

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