tick saliva kills cancer cells
tumor in rats cured by salivary proteins
ticks in the laboratory of the precious saliva aspirated (Photo: Instituto Bontantan) Sao Paulo (pte/28.08.2009 / 16:55) - A protein from tick saliva might one day improve the treatment of cancer. The claim by the Instituto Butantan biomedical http://www.butantan.gov.br/ in Sao Paulo. A substance that is produced by female, engorged ticks to reduce blood clotting, turned out to be appropriate in a rat experimental cure for cancer. The study has been given to Saliva of the Cayenne tick, the most populated coastal regions of the subtropical and tropical South America, where it is considered as vectors of typhus.
that tick saliva can be used for therapeutic purposes, have shown that Brazilian researchers before. The substance has specific proteins that inhibit blood clotting and so enable the tick only be vollzusaugen with blood from animals or humans. Coagulation cascade is generally on, and react more than a dozen clotting factors together. In saliva sucked Cayenne female ticks were identified in previous studies, the inhibitors of coagulation factors II and X. In search of wanted to find new inhibitors, the research team, led by molecular biologist Ana Marisa Chuda-Tavassi how the tick salivary protein acts on other cells, including tumor cells. The protein killed the cancer cells, surprisingly, while healthy cells untouched. To decipher the effect more precisely, the researchers treated cancer rats with the protein. "If you have a small tumor in the animals treated for 14 days, he did not develop further, but went slightly back in his ground. As we let the treatment take about 42 days, the tumor was completely eliminated," said the Brazilian researcher . The tick protein drugs could one day provide for skin, liver and pancreatic cancer. But that would require years of clinical tests and a substantial financial support, which in Brazil's assessment of the scientists show that was not possible. Chuda-Tavassi reported as "factor X active" protein now named in the patent office. "The discovery is one thing, the implementation for medical purposes, however, another," says the researcher.
pressetext.austria
note. cancer is not the same cancer. In this respect, this discovery should be considered separately. But good news this knowledge is in any case.
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