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New laser offers diagnosis by breath analysis
Date: Feb-04-2014University of Adelaide physics researchers have developed a new type of laser that will enable exciting new advances in areas as diverse as breath analysis for disease diagnosis and remote sensing of critical greenhouse gases.Published in the journal Optics Letters, the researchers from the University's Institute for Photonics and Advanced Sensing and the School of Chemistry and Physics describe how they have been able to produce 25 times more light emission than other lasers operating at a similar wavelength - opening the way for detection of very low concentrations of gases.
A halving of divorce rate seen in couples who discussed relationship movies
Date: Feb-04-2014A new study finds that watching and discussing movies about relationships is as effective in lowering divorce rates as other, more intensive early marriage counseling programs.Discussing five movies about relationships over a month could cut the three-year divorce rate for newlyweds in half, researchers report. The study, involving 174 couples, is the first long-term investigation to compare different types of early marriage intervention programs.
A halving of divorce rate seen in couples who discussed relationship movies
Date: Feb-04-2014A new study finds that watching and discussing movies about relationships is as effective in lowering divorce rates as other, more intensive early marriage counseling programs.Discussing five movies about relationships over a month could cut the three-year divorce rate for newlyweds in half, researchers report. The study, involving 174 couples, is the first long-term investigation to compare different types of early marriage intervention programs.
Gene mutation identified in spinocerebellar ataxia type 7
Date: Feb-04-2014Disruptive clumps of mutated protein are often blamed for clogging cells and interfering with brain function in patients with the neurodegenerative diseases known as spinocerebellar ataxias. But a new study in fruit flies suggests that for at least one of these diseases, the defective proteins may not need to form clumps to do harm.The study, published in the journal Genes and Development, focuses on ataxin-7, the gene that is mutated in patients with spinocerebellar ataxia type 7 (SCA-7). Researchers led by investigators Jerry Workman, Ph.D. and Susan Abmayr, Ph.D.
Comparison of cognitive tests shows SDMT effective in determining employment status in MS
Date: Feb-04-2014Researchers at Kessler Foundation have studied the measurement tools used in multiple sclerosis for their effectiveness in predicting employment status. They compared the Expanded Disability Status Scale (EDSS), the Multiple Sclerosis Functional Composite (MSFC), the Paced Auditory Serial Addition Task (PASAT), and the Symbol Digit Modalities Test (SDMT), and found the SDMT effective in differentiating employed from unemployed individuals.
Factors produced in inflammatory cells may reawaken dormant prostate cancer cells
Date: Feb-04-2014Researchers in the Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute discovered in pre-clinical models that dormant prostate cancer cells found in bone tissue can be reawakened, causing metastasis to other parts of the body. Understanding this mechanism of action may allow researchers to intervene prior to disease progression.
Protocol developed to harvest mouse cell lines for melanoma research
Date: Feb-04-2014Dartmouth researchers have developed a protocol that permits cells harvested from melanoma tumors in mice to grow readily in cell culture. Their findings were published in an article, Multiple murine BRafV600E melanoma cell lines with sensitivity to PLX4032, in the journal Pigment Cell & Melanoma Research."We anticipate that these cell lines will be extremely useful to many investigators who use mouse melanoma as a model system," said Constance E.
Factors produced in inflammatory cells may reawaken dormant prostate cancer cells
Date: Feb-04-2014Researchers in the Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute discovered in pre-clinical models that dormant prostate cancer cells found in bone tissue can be reawakened, causing metastasis to other parts of the body. Understanding this mechanism of action may allow researchers to intervene prior to disease progression.
Retrieval practice could improve memory in memory-impaired persons with severe TBI in real-life settings
Date: Feb-04-2014Kessler Foundation researchers have shown that retrieval practice can improve memory in individuals with severe traumatic brain injury (TBI). "Retrieval Practice Improves Memory in Survivors of Severe Traumatic Brain Injury," was published as a brief report in the current issue of Archives of Physical Medicine & Rehabilitation Volume 95, Issue 2 (390-396) February 2014. The article is authored by James Sumowski, PhD, Julia Coyne, PhD, Amanda Cohen, BA, and John DeLuca, PhD, of Kessler Foundation.
Progress, challenges in childhood cancer outlined in report
Date: Feb-04-2014A new report from the American Cancer Society outlines progress made and - more importantly - challenges that remain in fighting childhood cancer. The report estimates the number of new cancer cases and deaths for children and adolescents in the United States, summarizes the most recent and comprehensive data on cancer incidence, mortality, and survival, and outlines what is known and where answers are still needed for childhood cancers. It appears in CA: A Cancer Journal for Clinicians and also as a Special Section in Cancer Facts & Figures 2014.
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