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Saturday, December 5, 2015

Cancer Research: Liquid metal 'nano-terminators' target cancer cells ♦ Breast density alone not a risk factor for cancer ♦ Nanobombs' might deliver agents that alter gene activity in cancer stem cells

Liquid metal 'nano-terminators' target cancer cells A new drug delivery technique has been developed that uses a biodegradable liquid metal to target cancer cells. The liquid metal drug delivery method promises to boost the effect of cancer drugs.
Breast density alone not a risk factor for cancer Breast density may not be a strong independent factor for breast cancer risk, according to a new study. Prior research has shown an association between breast density and breast cancer. In addition, cancers in dense breast tissue are more difficult to see on mammograms. As a result, some women with dense breasts are advised to get supplementary screening with ultrasound or MRI. Some U.S. states have enacted legislation mandating breast density reporting to women undergoing mammography
'Nanobombs' might deliver agents that alter gene activity in cancer stem cells Nanoparticles that swell and burst when exposed to near-infrared laser light have been developed by researchers. These 'nanobombs' might overcome a biological barrier that has blocked development of agents that work by altering the activity -- the expression -- of genes in cancer cells. The agents might kill cancer cells outright or stall their growth.
Neurotoxic effects of chemotherapies on cognition in breast cancer survivors Cancer-related cognitive impairment is often referred to as 'chemobrain' and anthracycline-based chemotherapy may have greater negative effects on particular cognitive domains and brain network connections than non anthracycline-based regimens.

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