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Researchers at Banner Health’s Sun Health Research Institute have uncovered evidence that Alzheimer’s disease may be clinically confirmed in patients with apolipoprotein E2 homozygote. The results of their study are published in the January 2009 issue of the Journal of Alzheimer’s Disease.

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Researchers at National Jewish Health and the University of Colorado Denver have discovered a gene that is associated with improved survival among patients with acute lung injury. Acute lung injury (ALI) results in low oxygen levels in the blood, and fluid in the lungs. It is one of the most vexing problems for intensive care units, killing 40 percent of the 200,000 ALI patients in the US each year.

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Study proves humans have actively changed the coats of domestic animals by cherry-picking rare genetic mutations, causing variations such as different colors, bands and spots, according to a new study.

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Scientists at deCODE genetics have completed the largest study of ancient DNA from a single population ever undertaken. Analyzing mitochondrial DNA, which is passed from mother to offspring, from 68 skeletal remains, the study provides a detailed look at how a contemporary population differs from that of its ancestors. The study is published Jan. 16 in the open-access journal PLoS Genetics.

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Story Archives. Listen. text: call in live! sponsor scifri. Home > Archive > Human-Driven Evolution. Home · Podcast · Program Audio · SciFri Video · SciFri Extras · SciFri Site Updates · About Podcasting …

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With a pre-emptive, prophylactic skin regimen, patients who receive panitumumab for treatment of metastatic colorectal cancer may be able to avoid some of the skin-associated toxicities according to data presented at the 2009 American Society of Clinical Oncology Gastrointestinal Cancers Symposium.

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Slight changes in climate may trigger major abrupt ecosystem responses that are not easily reversible. Some of these responses, including insect outbreaks, wildfire, and forest dieback, may adversely affect people and ecosystems and their plants and animals. The USGS led a new assessment of the implications of a warming world on “ecological thresholds” in North America. The report was commissioned by the US Climate Change Science Program and authored by a team of scientists.

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African-American patients with colorectal were more likely to present with worse pathological features at diagnosis and to have a worse five-year survival rate compared to Caucasian patients, according to a study conducted by researchers at Thomas Jefferson University.

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New evidence from a study of yeast cells has resulted in the most detailed picture of an organism’s evolutionary process to date, says a Texas A&M University chemical engineering professor whose findings provide the first direct evidence of aspects, which up until now have remained mostly theory.

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Until credible sightings popped up three years ago, the scientific world was in agreement that ivory-billed woodpeckers had gone the way of the dodo. A new study conducted by University of Georgia researchers reveals that the ivory-billed woodpecker could have persisted if as few as five mated pairs survived the extensive habitat loss during the early 1900’s.

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