Nuevos tratamientos contra el cáncer

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Este espacio únicamente pretende ser informativo, divulgativo y de opinión; y en ningún caso sustituir al criterio médico cualificado, ni sugerir o proporcionar terapias de ningún tipo.
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Dalamar
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 22 Sep 2014 17:45

Louisiana State University scientists, writing in the journal Immunity, reveal that the Chop inflammatory protein suppresses the collection of T cells around tumors that could fight developing cancers. The researchers also found that when the Chop protein was removed, T cells could better identify and fight against tumors. In future testing, this new work suggests inflammatory proteins such as Chop can be selectively targeted with immunotherapy treatments that shut down inflammation responses and give the body’s natural immune defenses a better chance at fighting cancers.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 23 Sep 2014 19:03

Stanford University scientists, writing in Nature Chemical Biology, reveal the creation of a decoy protein that could help stop cancer tumors from metastasizing. Typically, when the Axl protein on the surface of cancer cells links to the Gas6 protein, a signal is created which makes the cancer cell migrate to another part of the body and form new tumors. Using a bioengineered, completely harmless Axl protein, however, the scientists were able to cause Gas6 to link to the decoy and thus cut cancer metastasis. In a breast cancer test on mice, using the decoy Axl protein resulted in 78% fewer metastatic cancer nodules.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 26 Sep 2014 19:00

Teaching Bacteria to Tell Cancer Cells to Stop Spreading
University of Missouri scientists have revealed in the journal PLOS ONE a common molecule found in some bacteria that’s vital to communication between bacteria cells could be used to prevent cancer cells from metastasizing. In their tests, the research team introduced O-DDHSL communication molecules to pancreatic cancer cells and found that the cancer cells did not migrate and even began to die. When an efficient delivery method for these molecules can be found for human trials, this new research could lead to improvements in cancer treatments.



Modified Vitamin D Shows Promise as Treatment for Pancreatic Cancer
In other cancer-related work, Salk Institute researchers report in Cell that a synthetic form of vitamin D weakened the exterior of pancreatic cancer cells, thus making those cells more vulnerable to established cancer treatments. Typically, tumors have inflamed and dense exteriors as a result of the repair mechanism known as fibrosis. By weakening difficult to treat pancreatic cancer cells using a modified form of vitamin D, however, the hope is that this research will lead to new ways to attack other cancer types, such as lung, liver, and kidney
.

Cuanto le queda a la cura del cancer con tantos frentes prometedores abiertos?

5 o 10 años?
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 01 Oct 2014 19:05

Supersensitive Nanodevice Can Detect Extremely Early Cancers
University of Alabama scientists, writing in the journal Biosensors and Bioelectronics, discuss the creation of a new ultra-sensitive nanotechnology device, which could detect cancers at their earliest stages. The tiny, painless probe can be used to detect the presence of interleukin-6, which is secreted by T cells to stimulate immune response. Many cancers have connections to interleukin-6 and diagnosing its presence quickly could lead to faster and more effective treatment of tumors. The device can also be set to screen for other biomarkers, which could give it usefulness in diagnosing, for example, viruses present in the body.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 27 Oct 2014 18:31

Cancer-Killing Stem Cells Engineered in Lab
Harvard Stem Cell Institute and Massachusetts General Hospital researchers report in the journal Stem Cells the creation of special, engineered stem cells which are capable of releasing toxins that kill brain cancer cells in a test on mice. The toxins produced by the engineered stem cells had no effect on healthy cells in the brain, nor the engineered cells themselves. The next step of this breakthrough research is to test the safety of the procedure in humans, and then determine if similar technology could be used to treat other forms of brain cancer or cancers in general.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 15 Nov 2014 17:15

Cancer-Killing Nanodaisies
North Carolina State University scientists have developed a nanoscale drug-delivery mechanism using polyethylene glycol, which can carry multiple cancer drugs at the same time and potentially deliver them directly to cancer cells. The polymer structure enclosing the drugs acts as a kind of shell, and can be injected into the bloodstream where it then travels to porous cancer cells. With further development, this technology could, in time, lead to more precise cancer drug dosing and reduce the side effects of conventional cancer treatment.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 24 Nov 2014 20:11

STING Pathway Plays Critical Role in Immunocancer Therapy
University of Chicago scientists, writing in the journal Immunity, reveal the discovery of a protein pathway in the body that identifies and can assist in shutting down developing cancer tumors. The stimulator of interferon genes, or STING pathway, locates infections and also developing cancers, then signals the body’s immune system to respond. The researchers found that with targeted radiation therapy, STING could be modulated to respond more strongly to the presence of cancers. This work also opens up the possibility of boosting the STING pathway with drugs designed to amplify immune function in those with deficient STING response.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor Dalamar » 24 Nov 2014 20:12

Novel Regulatory Mechanism for Cell Division Found
UT M.D. Anderson Cancer Center scientists, writing in the journal Nature Communications, discuss how the PKM2 enzyme can control the division of tumor cells. By studying PKM2’s role in normal cell division and also how it impacts gene expression, the researchers were able to isolate PKM2 in brain cancer tumors in mice as well as in pancreatic cancer tests and in melanoma. Further work to determine how PKM2 malfunctions and leads to spreading cancers could yield new drugs that help treat a variety of tumor types.
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Re: Nuevos tratamientos contra el cáncer

Mensajepor firehand » 27 Nov 2014 00:34

Nuevo estudio de la incidencia del cáncer por países:

Global surveillance of cancer survival 1995—2009: analysis of individual data for 25 676 887 patients from 279 population-based registries in 67 countries (CONCORD-2)

http://download.thelancet.com/pdfs/jour ... xgbmMdmUNu

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Re: Alzheimer

Mensajepor Dalamar » 15 Dic 2014 22:40

Magnetic Drug Delivery Method Could Transform Way Deep-Tissue Tumors Are Treated

Details of a collaboration between the University of Maryland and Weinberg Medical Physics, appearing in the journal Nano Letters, suggests the use of pulsed magnetic fields for the treatment of deep-tissue tumors and other diseases is inching closer to scientific reality. By pulsing the magnetic fields in studies, researchers were able to orient and then deliver nanoparticles to deep-tissue locations. Previously, technologies of this kind could deliver material just under the surface of the skin. With further refinement, this new pulsed-magnetic-field delivery method could make difficult-to-treat tumors more accessible to anti-cancer medicines
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