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Science News for April 18, 2010


Botulinum toxin provides clinically meaningful benefit

A Phase 2 study demonstrated that BOTOX provides a clinically meaningful benefit for idiopathic OAB patients with urinary urgency incontinence. The study found that doses of 100U-150U provided the optimal balance between efficacy and safety, with significant reductions in symptoms and increases in PVR at higher doses.

SourceEuropean Association of Urology·DateApr 18, 2010

Routine breast cancer biopsy might predict lymph node cancer spread

Researchers at Georgetown Lombardi Comprehensive Center have identified molecular markers on breast tumors that can predict which cancers will metastasize to the lymph node system. These markers, found in both breast cancer cells and sentinel lymph nodes removed from patients, may help reduce false negative rates in sentinel node biopsy.

SourceGeorgetown University Medical Center·DateApr 18, 2010
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Brain connections for stress -- lessons from the worm

Scientists have discovered a hidden neuronal circuit in the worm Caenorhabditis elegans that modulates sensory perception under stress. This work suggests that mechanisms coupling hypoxia, serotonin, and neuropeptide signaling also modify behavior in mammals.

SourceUniversity of Copenhagen·JournalNature Neuroscience·DateApr 18, 2010

A brain-recording device that melts into place

A new brain implant made from silk has been developed to monitor and control seizures, as well as transmit signals past damaged spinal cord areas. The ultrathin flexible implants can record brain activity more faithfully than thicker devices, with potential applications in epilepsy, spinal cord injuries, and other neurological disorders.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNature Materials·DateApr 18, 2010
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.

IMPACT results show potential cancer treatment

The study demonstrates a potential new treatment paradigm in oncology with improved overall survival rates for metastatic castration-resistant prostate cancer patients. The treatment, Sipuleucel-T, was shown to have well-balanced prognostic factors and mild adverse events.

SourceEuropean Association of Urology·DateApr 18, 2010

Study reveals a mechanism for mate selection

Researchers from Université de Montrêl have discovered a molecular switch that enables yeast to make critical decisions about its fate, including choosing a suitable mate. This study provides valuable insights into the mechanisms underlying sexual mate selection and has potential applications in understanding human development and disease

SourceUniversity of Montreal·JournalNature·DateApr 18, 2010