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<p>Macrophages, a type of white blood cell that can destroy invading pathogens, have an innate ability to infiltrate tumor cells, making them a potentially important tool for cell therapy but&nbsp;so far, clinical trials have been a disappointment and biologists are trying to figure out why. In a recent paper, Harvard researchers found that a specific phenotype of macrophage was better at traveling to the tumor than others &mdash; and it&rsquo;s not the one that researchers commonly use in the clinic for cancer therapies.&nbsp;</p>

Most cancers become deadly by keeping a low profile, causing no symptoms until they're too advanced to treat. Ovarian and gastroesophageal cancers are among the most notorious for this sly disease progression, often leading to late-stage diagnoses.

A highly sensitive blood test can detect a key protein produced by cancer cells in as little as two hours, researchers report.

Link:  http://www.care2.com/causes/organ-chips-could-replace-animal-experiments.html Imagining a world where thousands upon thousands of animals no longer suffer in biomedical research and drugs actually help the people they’re meant to save may not be as far off a dream as it seems with the development of ‘organ chips.’ A $70 million research project that will develop transparent silicon microchips…

Picture yourself driving along a remote, moonlit highway, the only sounds being the hum of your engine and the distant rustle of nocturnal creatures. The atmosphere is thick with an