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Science News Archive February 2002 - Page 7


Page 7 of 8

Duke researchers identify the mechanisms by which drug combinations kill fungal infections

Researchers at Duke University Medical Center have traced cellular pathways that enhance the action of antifungal drugs used to treat fungal infections in people with compromised immune systems. Combining fluconazole with cyclosporin or FK506 was found to potently kill fungal cells, and the team elucidated the molecular targets involved.

SourceDuke University Medical Center·JournalThe EMBO Journal·DateFeb 6, 2002

American Thoracic Society Journal news tips for February (first issue)

A new study found that caregivers with higher perceived stress levels had infants who experienced more wheezing episodes during the first 14 months of life. Additionally, exposure to German cockroach allergen was associated with increased risk of asthma attacks in susceptible children. Researchers also developed a molecular model of th...

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateFeb 6, 2002

Potential allergy vaccine boosts hope for sufferers

Researchers at the University of Melbourne have developed a potential allergy vaccine using a modified rye grass protein that reduces allergenic response while boosting immune system. The vaccine, delivered in its pure form, may significantly reduce risk of anaphylactic shock and increase immunotherapy efficacy.

SourceUniversity of Melbourne·JournalEuropean Journal of Immunology·DateFeb 6, 2002

Spiral waves break hearts: Importance of communication between cardiac cells is demonstrated

Researchers investigate how electrical impulses travel through cardiac tissue and how impaired cell communication affects heart health. They develop a computer model that shows how electrical activity spreads like a fire in a forest, and find that spiral waves breaking up into multiple spirals may be similar to the patterns that cause ...

SourceAmerican Institute of Physics·JournalPhysical Review Letters·DateFeb 5, 2002

Misclassification of death may influence perceived value of cancer screening

A study found that two forms of bias in cause-of-death classification affect the results of randomized trials on cancer screening. Sticky-diagnosis bias biases against screening, while slippery-linkage bias biases in favor of screening. The authors suggest using all-cause mortality to accurately assess the value of screening.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 5, 2002

Other highlights in the Feb. 6 issue of JNCI

Researchers found that response rates, survival rates, and quality-of-life outcomes are similar between elderly patients (ages 70+) and younger patients with non-small-cell lung cancer. Additionally, studies report an increased risk of lung cancer after Hodgkin's disease treatment, especially in smokers, and analyzed cost-effectiveness...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 5, 2002

Tanning devices may contribute to incidence of common skin cancers

A new study found that individuals who used tanning devices were 2.5 times more likely to develop squamous cell carcinoma and 1.5 times more likely to develop basal cell carcinoma compared to those who did not use them. The risk of these cancers increased with the age at which participants started using tanning devices.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 5, 2002

Elderly lung cancer patients tolerate aggressive chemotherapy as well as younger patients

A retrospective analysis of 574 patients with non-small cell lung cancer found that older patients tolerated chemotherapy regimens comparable to younger patients. However, psychological distress and neutropenia were more prevalent in the elderly population. The study suggests that functional status is a key factor in determining treatm...

SourceFox Chase Cancer Center·JournalJNCI Journal of the National Cancer Institute·DateFeb 5, 2002

HIV/AIDS impact on education intensifies economic downfall

The HIV/AIDS epidemic in Mozambique is taking a toll on education, leading to reduced school enrollments, graduation rates, and quality of education. The report predicts that the country's economy will be smaller than expected by 2010 due to reduced productivity growth, population growth, human capital accumulation, and physical capita...

Safety of home births

A Canadian study finds that home births attended by midwives have comparable perinatal outcomes to hospital births, including lower rates of maternal infection and neonatal complications. However, the authors recommend ongoing monitoring for rare adverse outcomes such as hemorrhage and ventilator support.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 4, 2002

British public supports mercy killing

A survey of British public attitudes found strong support for mercy killing, with 84% in favour of doctors assisting patients to die. Those without religious convictions were more likely to back the practice, while people with strong faiths opposed it. The results suggest a shift in public opinion on the issue.

SourceBMJ Specialty Journals·JournalJournal of Medical Ethics·DateFeb 4, 2002

Organizations renew professionalism vows

Three influential organizations of internal medicine physicians unveil a new charter on medical professionalism, outlining three fundamental principles and ten definitive professional responsibilities. The charter aims to promote an action agenda for the profession, addressing challenges in healthcare delivery, technology, and globaliz...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateFeb 4, 2002

Tether for water channels found: May impact research on brain swelling

Researchers have made a groundbreaking finding that may impact brain swelling research by discovering how the Aquaporin-4 protein is tethered to Syntrophin, leading to better understanding of the blood-brain barrier. The study's results suggest that AQP4 and Syntrophin play a crucial role in regulating water flow in the brain.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateFeb 4, 2002

The hidden danger of hockey

The study found that all participants exceeded their maximum heart rate target, with slow heart-rate recovery common among them. Dr. Murray Mittleman cautions against warning off players, instead suggesting regular exercise throughout the year to mitigate cardiac risks.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 4, 2002

Computerized tool predicts sarcoma outcome and improves ability to make better treatment decisions

Researchers at Memorial Sloan-Kettering Cancer Center developed a nomogram to predict sarcoma patient outcomes, combining age, tumor size, and other factors to provide more accurate prognosis. The tool enables doctors to tailor treatments based on individual patient risk, potentially leading to better outcomes.

SourceMemorial Sloan Kettering Cancer Center·JournalJournal of Clinical Oncology·DateFeb 1, 2002