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Keeping an Eye on Cancer — Big Think
MIT Professor Michael C. Fima and his team have created a prototype of a monitoring chip the size of a grain of rice that would be slipped into the site of the tumor with the same needle that administers biopsies. Once inside the body, the device would monitor tumor activity, as well as the effects of chemotherapy, by creating tiny clumps that can be detected by an MRI. So far, the scientists have tested the prototype on mice; the results are promising.
Researchers effectively treat tumors with use of nanotubes
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Nanotubes are long, thin, sub-microscopic tubes made of carbon. For the study, researchers used multi-walled nanotubes (MWCNTs), which contain several nanotubes nested within each other, prepared for the study by the Center for Nanotechnology and Molecular Materials. The tubes, when non-invasively exposed to laser-generated near-infrared radiation, respond by vibrating, creating heat. If enough heat is conducted, tumor cells near the tubes begin to shrink and die.
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"You can actually watch the tumors shrinking until, one day, they are gone," Torti said. "Not only did the mice survive, but they maintained their weight, didn't have any noticeable behavioral abnormalities and experienced no obvious problems with internal tissues. As far as we can tell, other than a transient burn on the skin that didn't seem to affect the animals and eventually went away, there were no real downsides - that's very encouraging."
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Why do the majority of people never get cancer?
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George Klein, Professor Emeritus at the Microbiology and Tumor Biology Center at the Karolinska Institute in Stockholm, Sweden, has been teaching and researching since the mid-1940s. In a recent study called “Toward a genetics of cancer resistance” published in the Proceedings of the National Academy of Sciences, Klein highlights evidence of several biological cancer resistance mechanisms that some individuals have that seem to prevent them from developing cancer. Perhaps, Klein says, there are cancer-resistant genotypes that “nip cancer in the bud” and keep most of us healthy.
Invention: Cancer nanobomb - tech - 10 November 2008 - New Scientist
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The exploding nanotubes could be made to target tumours by labelling them with an antibody specific to the cancer cell receptors, he says, and adding a chemotherapy drug to the water could wipe out any cells that survive or escape a blast.
Cancer Genome Sequenced
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Scientists have sequenced the whole genome of a cancer cell for
the first time. By comparing the DNA sequence of cancerous cells taken from a
patient, who died of leukemia in her 50s, with the DNA collected from her
healthy tissue, they identified 10 mutations found only in the cancer cells. The
mutations appear to affect cancer cell growth, as well as response to
chemotherapy drugs. -
The new study is different than other recent genomics
studies of cancer, which focused on candidate genes, rather than searching the
entire 20,000 genes of the human genome. (See Cancer Redefined) It is also the first female genome to be sequenced.
31 Simple Ways to Prevent Cancer: Reduce Your Risk | Living Healthy | Reader's Digest
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1. Serve sauerkraut at your next picnic. A Finnish study found that the fermentation process involved in making sauerkraut produces several other cancer-fighting compounds, including ITCs, indoles, and sulforaphane. To reduce the sodium content, rinse canned or jarred sauerkraut before eating.
Cancer patient cured with his own immune system - health - 19 June 2008 - New Scientist
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Now, a US team has developed a new way to turn a patient's T-cells against a deadly, metastasised skin cancer. A 55-year old man who received the immune boost lives tumour-free, more than two years after treatment.
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The lab-grown cells remained at high levels for at least three months after treatment. However, Yee suspects that the injected CD4-cells also jolted other immune cells into action because tumour cells that didn’t make NY-ESO-1 also disappeared.
A Little Extra Veggie Works Wonders - RealAge Tip of the Day
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Although one extra serving of veggies (or fruit) a day will help protect you, more is definitely better. In fact, the more fruit and veggies people ate in a recent study, the lower their risk of head and neck cancers. And it's no surprise, really, when you think of all the cancer-squelching nutrients packed into produce -- like flavonoids, carotenoids, plant sterols, phenols, and vitamin C, to name a few.
A Sprinkle of Cancer-Fighting Spice -- Nice! - RealAge Tip of the Day
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Whether you steep it, saute it, or soak it, oh-so-savory rosemary can elevate both your culinary skills and your health.
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- Stick a fresh sprig in your lemonade, or steep it in hot tea.
- Add chopped rosemary to your tossed salads.
- Use fresh or dried rosemary in marinades for meats or vegetables (olive oil, fresh or dried rosemary, and soy sauce make a nice, simple one).
- Try this delicious rosemary-infused recipe from EatingWell.com: Garlic-Rosemary Mushrooms.
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