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Science News for September 27, 2002


Colorado U. to fly hardware, experiments on space shuttle, space station

Researchers from CU-Boulder will conduct cell biology experiments in microgravity, mimicking normal functioning kidney cells and studying molecular responses to infections. Plant growth experiments will also explore the role of gravity on plant development, with potential applications in timber and pharmaceutical industries.

SourceUniversity of Colorado at Boulder·DateSep 27, 2002
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Type A and can’t handle it?

Researchers identified Kir6.2 as a protective mechanism against stress in the heart, which helps maintain equilibrium under peak workloads. The study found that mice lacking this protein experienced severe cardiac distress and died, while those with it survived stress tests.

SourceMayo Clinic·JournalProceedings of the National Academy of Sciences·DateSep 27, 2002

NSF awards $9 million for study of proteins

Researchers will use computational biolinguistics to analyze protein sequences and understand their structure, dynamics, and function. This project aims to extract information from gene sequences that may lead to developing drugs to fight degenerative diseases.

SourceCarnegie Mellon University·DateSep 27, 2002

Anesthesiologists' substance abuse constant despite efforts

A recent survey of over 100 academic medical centers found that anesthesiology faculty members and residents have substance abuse rates of 1% and 1.6%, respectively, during their personal time. The most commonly abused medication is fentanyl, often discovered through overdose or by tracking dispensed drugs.

SourceDuke University Medical Center·JournalAnesthesia & Analgesia·DateSep 27, 2002

New protease inhibitor held HIV at undetectable levels for four years

A phase II study of 100 patients with previously untreated HIV found that kaletra held the virus at undetectable levels for four years, with 72% maintaining suppressed viral loads. The results suggest that Kaletra remains a crucial option for initial therapy, helping to prolong time to resistance development.

SourceNorthwestern University·DateSep 27, 2002
SAMSUNG T9 Portable SSD 2TB

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In blood pressure reduction, below standard is good

Research found that reducing blood pressure to less than the standard goal also lowered artery stiffness in patients with high blood pressure. The study involved 142 nondiabetic patients who received antihypertensive drugs, resulting in a significant decrease in artery stiffness for those with lower target pressures.

SourceAmerican Heart Association·DateSep 27, 2002
Aranet4 Home CO2 Monitor

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Treatable depression often accompanies even mild memory loss

Researchers found that 43% of participants with mild cognitive impairment had psychiatric symptoms, and 75% of those with dementia did. The study highlights the importance of recognizing and treating these symptoms to improve patient outcomes.

SourceAtrium Health Wake Forest Baptist·JournalJAMA·DateSep 27, 2002

Mayo Clinic researchers document safer treatment for atrial fibrillation

Researchers at the Mayo Clinic document a safer treatment approach for atrial fibrillation, utilizing adequate anticoagulation medication to reduce the risk of stroke and thromboembolism. The study, conducted from 1990-1994, involved 834 successful cardioversions performed in 717 patients, with an incidence rate of less than 1%.

SourceMayo Clinic·JournalMayo Clinic Proceedings·DateSep 27, 2002