An avocado a day keeps the cardiologist away
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- Category: Research
Adding an avocado to your daily diet may help lower bad cholesterol, in turn reducing risk for heart disease, according to health researchers. Avocados are known to be a nutrient-dense food, high in monounsaturated fatty acids. Previous studies have suggested that avocados are a cholesterol-lowering food, but this is the first study - to the researchers' knowledge - to look at health implications of avocados beyond monounsaturated fatty acids.
'Glowing' new nanotechnology guides cancer surgery, also kills remaining malignant cells
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- Category: Research
Researchers at Oregon State University have developed a new way to selectively insert compounds into cancer cells - a system that will help surgeons identify malignant tissues and then, in combination with phototherapy, kill any remaining cancer cells after a tumor is removed.
Researchers target the cell's 'biological clock' in promising new therapy to kill cancer cells
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- Category: Research
Cell biologists at UT Southwestern Medical Center have targeted telomeres with a small molecule called 6-thiodG that takes advantage of the cell's 'biological clock' to kill cancer cells and shrink tumor growth. Dr. Jerry W. Shay, Professor and Vice Chairman of Cell Biology at UT Southwestern, and colleague, Dr. Woodring E. Wright, Professor of Cell Biology and Internal Medicine, found that 6-thio-2'-deoxyguanosine could stop the growth of cancer cells in culture and decrease the growth of tumors in mice.
Nature, nurture and time
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- Category: Research
A new study has produced the best evidence yet that the role of genetics in complex traits, including obesity, varies over time. Both the era in which scientific research is conducted and the era in which subjects were born may have an impact on the degree to which genetic factors are present in scientific data.
Researchers map paths to cancer drug resistance
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- Category: Research
A team of researchers led by Duke Cancer Institute has identified key events that prompt certain cancer cells to develop resistance to otherwise lethal therapies. By mapping the specific steps that cells of melanoma, breast cancer and a blood cancer called myelofibrosis use to become resistant to drugs, the researchers now have much better targets for blocking those pathways and keeping current therapies effective.
Scientists report on trial of early-generation Ebola, Marburg vaccine candidates
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Results of an early-stage clinical trial of two experimental vaccines against Ebola and Marburg viruses - the first to be completed in an African country - showed that they were safe and induced immune responses in healthy Ugandan adult volunteers. Developed by researchers at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, the experimental vaccines (called DNA vaccines) were predecessors to a next-generation candidate vaccine, called the NIAID/GSK Ebola vaccine, which is currently in clinical development.
Mutations prevent programmed cell death
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- Category: Research
Programmed cell death is a mechanism that causes defective and potentially harmful cells to destroy themselves. It serves a number of purposes in the body, including the prevention of malignant tumor growth. Now, researchers at Technische Universität München (TUM) have discovered a previously unknown mechanism for regulating programmed cell death.
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