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Science News for December 28, 2005


Medicare drug benefit could do harm to poor, elderly, and disabled

The Medicare drug benefit is at risk of causing significant harm to vulnerable populations, including the poor, elderly, and disabled. A narrow six-week transition period to a new formulary may lead to difficulties in accessing essential medications, potentially resulting in health problems.

SourceHarvard Medical School·JournalNew England Journal of Medicine·DateDec 28, 2005

Researchers discover how a high-fat diet causes type 2 diabetes

A high-fat diet suppresses the activity of GnT-4a glycosyltransferase, leading to impaired insulin secretion and type 2 diabetes. The study suggests that people with an inherited predisposition to type 2 diabetes may have variations in the gene for GnT-4a.

SourceHoward Hughes Medical Institute·JournalCell·DateDec 28, 2005
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Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Scientists lift malaria's cloak of invisibility

Researchers at Howard Hughes Medical Institute have determined how P. falciparum parasites can turn on one cloaking gene and keep dozens of others silent until needed. This discovery reveals the mechanism behind the parasite's survival and has implications for developing new therapies to interfere with its immune evasion strategies.

SourceHoward Hughes Medical Institute·JournalNature·DateDec 28, 2005

UCSD team discovers diabetes trigger in fatty diet

A single gene encoding the enzyme GnT-4a is key to enabling pancreatic beta cells to sense blood glucose levels and produce insulin. In mice fed a high-fat diet, this enzyme's suppression led to type 2 diabetes.

SourceUniversity of California - San Diego·JournalCell·DateDec 28, 2005

Bipolar disorder more common than expected in hospitalized adolescents

A recent study by Bradley Hospital found that up to twenty percent of adolescents on psychiatric units may be manic-depressive. The study used a mania rating scale and found that these patients were more suicidal and aggressive than those admitted for depression alone.

SourceLifespan·JournalJournal of Child and Adolescent Psychopharmacology·DateDec 28, 2005
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Pediatric oncologists should help with difficult decisions

Pediatric oncologists play a crucial role in guiding patients and their families through complex treatment decisions. Effective communication is key to empowering parents to make informed choices, and clinicians must explore patient values to facilitate better decision-making.

SourceBaylor College of Medicine·JournalJournal of Clinical Oncology·DateDec 28, 2005

First analysis of FDA's mifepristone adverse event reports

A first published analysis of the FDA's mifepristone reports reveals 607 adverse events, including fatalities from bleeding or septic shock. The authors call for increased research into allergic and fatal septic reactions and propose measures to improve safety monitoring.

SourceAnnals of Pharmacotherapy·JournalAnnals of Pharmacotherapy·DateDec 28, 2005
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Positive outcome of Medicare drug benefit

Researchers believe that analyzing Medicare data will help assess medication use in real-life conditions, improving the nation's ability to understand risks and benefits of drug treatment. This can lead to increased data on whether drugs are used as intended and their potential risks.

SourceHarvard Medical School·JournalNew England Journal of Medicine·DateDec 28, 2005