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Science News Archive January 2008


Page 1 of 17

Crossing the species line

A recent article in Developmental and Comparative Immunology reveals that plants possess elements of specificity and responsiveness to disease-causing agents, similar to animal immunity. The study suggests that the plant immune surveillance genes diversify at a rate stimulated by pathogen presence, shedding new light on plant immunity.

SourceElsevier·JournalDevelopmental & Comparative Immunology·DateJan 31, 2008

Conservation strategies must shift with global environmental change, says CU-Boulder study

A CU-Boulder study calls for a new approach to conservation, focusing on nurturing novel ecosystems and developing strategies to enhance their health. The researchers argue that current management practices often overlook the interconnectedness of ecosystem components, leading to ineffective solutions.

SourceUniversity of Colorado at Boulder·JournalFrontiers in Ecology and the Environment·DateJan 31, 2008

Chinese suffer aches and pains too

A comprehensive survey of rheumatic diseases in China found that the incidence of certain diseases is now more like Western countries. The study revealed that osteoarthritis and rheumatoid arthritis affect different sites than Caucasian populations, with a higher prevalence among elderly people in northern China.

SourceBMC (BioMed Central)·JournalArthritis Research & Therapy·DateJan 31, 2008

The HLA-DRB1 gene and premature death in rheumatoid arthritis

Researchers identified the HLA-DRB1 gene as a predictor of premature death from cardiovascular disease in inflammatory arthritis patients. The study found that having two copies of the shared epitope allele increased the risk of death from all causes and cardiovascular disease, particularly among current smokers.

SourceWiley·JournalArthritis & Rheumatism·DateJan 31, 2008

Drug based on MGH discovery may significantly improve treatment of dangerous blood disorder

A clinical trial shows that romiplostim significantly improved platelet levels in patients with chronic immune thrombocytopenic purpura (ITP), a hematologic disorder that can cause uncontrolled bleeding. The novel drug duplicates the action of a natural hormone discovered by MGH investigator, offering low toxicity and high response rates.

SourceMassachusetts General Hospital·JournalThe Lancet·DateJan 31, 2008

Suicide risk factors consistent across nations

Risk factors for suicidal thoughts, plans, and attempts are consistent across countries, with mental disorders and female gender being key contributors. The study also found that impulse control disorders and substance use disorders increase the risk of acting on suicidal thoughts.

SourceHarvard University·JournalThe British Journal of Psychiatry·DateJan 31, 2008

They were right after all

Researchers Aaron C. Smith and Robert M. Williams successfully reproduced the Rabe-Kindler protocol for synthesizing quinine, a key step in its 'formal' total synthesis. They found that using aluminum powder as a reducing agent was crucial to achieving high yields of quinine.

SourceWiley·DateJan 31, 2008

After more than 100 years apart, webworms devastate New Zealand parsnips

Researchers found that New Zealand parsnips had lower levels of chemical defenses than those in Europe and North America, making them more susceptible to the parsnip webworm. The webworms are dramatically affecting the plant's ability to reproduce, with 75% of affected plants devoid of reproductive parts.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateJan 30, 2008

Deep brain stimulation may improve memory

A new study found that deep brain stimulation (DBS) of the hypothalamus can evoke detailed autobiographical memories in a patient with morbid obesity. After three weeks of continuous stimulation, the patient showed significant improvements in learning tests and was more likely to remember unrelated objects.

SourceWiley·JournalAnnals of Neurology·DateJan 30, 2008

New light on dark energy

Astronomers have measured the distribution and motions of thousands of galaxies in the distant Universe using ESO's VLT. This study provides a powerful way to tackle the mystery of dark energy, with results supporting the simplest form of dark energy.

SourceESO·JournalNature·DateJan 30, 2008

Study shows variety of approaches help children overcome auditory processing and language problems

A new study sponsored by NIDCD found that intensive educational approaches, including play with peers, can significantly improve language abilities in children with unusual difficulty understanding and using language. The study compared four intervention strategies and found that all resulted in long-term improvements.