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Science News for March 14, 2003


Stem cells: From bone marrow to pancreas

Researchers successfully transplanted bone marrow cells from a male donor mouse to a female recipient, where they developed into functional insulin-expressing cells. The findings suggest that bone marrow may be a viable source for ex vivo expansion and autologous transplantation of pancreatic beta-cell precursors.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 14, 2003

JCI Table of Contents, March 14, 2003

Research highlights the role of WNK kinases in regulating thiazide-sensitive Na-Cl cotransport, a key mechanism for maintaining electrolyte balance. Additionally, studies investigate the immunomodulatory effects of WNK kinases on pulmonary inflammation and diabetes, shedding light on potential therapeutic targets.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 14, 2003

Building the next generation of cancer researchers

AACR sponsors science programs for high school and undergraduate students to inspire careers in cancer research. The AACR-Thomas J. Bardos Science Education Awards for Undergraduate Students recognize and nurture talented young scientists.

SourceAmerican Association for Cancer Research·DateMar 14, 2003
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Bone marrow stem cells are a source of insulin-producing cells

Researchers have identified bone marrow stem cells with the ability to produce functional insulin-producing cells, offering a new potential avenue for treating diabetes. The study used a molecular biology technique called CRE-loxP to isolate and study these cells, which were found to exhibit characteristics of pancreatic beta cells.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJournal of Clinical Investigation·DateMar 14, 2003

Direct alcohol metabolites

A new study finds that ethyl glucuronide (EtG) is a highly effective and sensitive marker of recent alcohol use, detecting consumption up to 80 hours after complete elimination. The marker helps identify patients who have lapsed or relapsed in treatment, ensuring they are alcohol-free for work and other activities.

SourceAlcoholism: Clinical & Experimental Research·DateMar 14, 2003

Scientists discover possible new treatment for genetic diseases

Researchers have developed a novel method to correct genetic mutations causing abnormal splicing, potentially treating genetic diseases such as spinal muscular atrophy. This technique uses short RNA oligos to recruit signals that influence splicing, allowing proper gene expression and normal cell development.

SourceImperial College London·JournalProceedings of the National Academy of Sciences·DateMar 14, 2003
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

American Thoracic Society Journal news tips for March 2003 (second issue)

Two new studies report associations between prenatal exposure to maternal smoking and early-onset asthma with deficits in children's lung function. In the first study, a two-month rifampin/pyrazinamide regimen was found to be effective in treating latent TB in high-risk, non-adherent groups, but with potential liver toxicity risks.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateMar 14, 2003

Can vitamins slow the progression of Alzheimer’s disease?

A recent pilot study published in the American Journal of Geriatric Psychiatry found that high-dose vitamins can reduce homocysteine levels in individuals with mild to moderate Alzheimer's disease. The multicenter trial, known as Vital, aims to determine if these vitamins can slow the progression of the disease. Researchers are optimis...

SourceGeorgetown University Medical Center·JournalAmerican Journal of Geriatric Psychiatry·DateMar 14, 2003

Alcohol abuse may increase susceptibility to HIV infection

Researchers found that alcohol consumption increased host susceptibility to SIV/HIV infection by increasing infectivity of cells and lymphocyte turnover. The study suggests that chronic or binge alcohol consumption may contribute to the risk of HIV infection, particularly through behavioral factors.

SourceAlcoholism: Clinical & Experimental Research·DateMar 14, 2003
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

New crystalline structures may open door to molecular filters

Researchers have developed a new way to create molecular sieves with aligned tunnel-like pores, enabling more efficient filtration and potential applications in water purification and optical components. The discovery opens doors to producing uniform fibers and even sheet-like materials with controlled properties.

SourceUniversity of Rochester·DateMar 14, 2003

Genes are main culprit in development of myopia, study suggests

Research suggests that children who spend more time studying and reading are more likely to develop myopia. However, the study found no link between screen time and the development of myopia. The study of 366 eighth-grade children highlights the importance of hereditary factors in the development of myopia.

SourceOhio State University·JournalInvestigative Ophthalmology & Visual Science·DateMar 14, 2003
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.