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Thursday, May 21, 2015

Cancer Research: Organic nanoparticles, more lethal to tumors ♦ Study discovers how pancreatic cancer spreads to the liver ♦ Non-invasive colon cancer screening for African-Americans

Smoking induces early signs of cancer in cheek swabs DNA damage caused by smoking can be detected in cheek swabs. The study provides evidence that smoking induces a general cancer program that is also present in cancers which aren't usually associated with it -- including breast and gynecological cancers.
Study discovers how pancreatic cancer spreads to the liver Investigators has illuminated the precise molecular steps that enable pancreatic cancer to spread to the liver -- the event that makes the most common form of the disease lethal. By understanding this process, their discovery can lead to targeted treatments that delay metastasis, and offer clinicians a new biomarker to test for the earliest signs of pancreatic cancer.
Non-invasive colon cancer screening may be promising for African-Americans, Stool DNA (sDNA) testing, a new non-invasive technology for colon cancer screening, is a promising alternative to colonoscopy for African Americans.  sDNA sensitivity and specificity of advanced lesions and all adenomas (polyps) in African Americans was similar to or exceeded that of other racial group.
Chemo before surgery benefits patients with advanced ovarian cancer Women with advanced ovarian cancer have fewer side effects and tend to have a better quality of life if given chemotherapy before surgery. Delaying surgery also reduced the amount of time spent in the hospital after surgery.
Organic nanoparticles, more lethal to tumors Carbon-based nanoparticles could be used to sensitize cancerous tumours to proton radiotherapy and induce more focused destruction of cancer cells, a new study shows. Radiotherapy used in cancer treatment is a promising treatment method, albeit rather indiscriminate. Indeed, it affects neighboring healthy tissues and tumors alike. Researchers have thus been exploring the possibilities of using various radio-sensitizers; these nanoscale entities focus the destructive effects of radiotherapy more specifically on tumor cells.

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