Animal cells can touch-talk to one another .:. newkerala.co

Hindi News Photo News Video NewsHomeNewsTravelEducationRecipesSelf HelpPhotosAstrologyGamesMapsMenuHomeNews+India NewsWorld NewsBusiness NewsBollywood NewsSports NewsHealth NewsMore Pages+TravelEducationRecipesSelf HelpGreetingsAstrologyGamesMaps ContactHome/News/technology-news technology-news Animal cells can touch-talk to one another New York, Jan 4 : In a finding that can turn the hitherto accepted model of animal cell communication upside down, scientists have discovered that animal cells can communicate with one another by making physical contact.louis vuitton wallet replica[url=http://www.thaihealth2u.com title=louis vuitton knockoffs]louis vuitton knockoffs[/url]"This mechanism is similar to the way neuro communicate with other cells, and contrasts the standard unde tanding that non-neuronal cells 'basically spit out signalling protei into extra-cellular fluid and hope they find the right target'," said senior investigator Thomas B. Kornberg, professor of biochemistry with Unive ity of California, San Francisco.Working with living tissue from fruit flies, Kornberg and his team demo trated that cells send out long, thin tubes of cytoplasm called cytonemes which can extend across the length of 50 or 100 cells before touching the cells they are targeting. The point of contact between a cytoneme and its target cell acts as a communicatio bridge between the two cells.louis vuitton replica[url=http://www.folsomairportshuttle.com title=miu miu handbags]miu miu handbags[/url]"It's long been known that neuro communicate in a similar way - by tra ferring signals at points of contact called synapses, and tra mitting the respo e over long distances in long tubes called axo ," said Kornberg. "However, it's always been thought that this mode of signalling was unique to neuro . We have now shown that many types of animal cells have the same ability to reach out and synapse with one another in order to communicate," he added in the study published in the journal "Science".Working with cells in the fruit fly wing that produce and send the signalling protein Decapentaplegic (Dpp), Kornberg and his team showed that Dpp tra fe between cells at the sites where cytonemes form a connection, and that cytonemes are the conduits that move Dpp from cell to cell.louis vuitton usa[url=http://www.dorisgroups.com title=prada messenger bag]prada messenger bag[/url]The scientists discovered that the sites of contact have characteristics of synapses formed by neuro . They demo trated that in flies that had been genetically engineered to lack synapse-making protei , cells are unable to form synapses or signal successfully."In the mutants, the signals that are normally taken up by target cells are not taken up, and signalling is prevented," said Kornberg. "This demo trates that physical contact is required for signal tra fer, signal uptake and signalling.louis vuitton knockoffs[url=http://www.bluescissors.com title=burberry wallet]burberry wallet[/url]""We, however, are not saying that cells always use cytonemes for signaling. Hormones, for example, are another method of long distance cell signalling," the study said.--IANS (Posted on 04-01-2014) Share this Post: technology-news headlines Our lungs can smell that cigarette too! Vital protein to stop tumour growth identified Vine launches online streaming for TV-like desktop viewing Animal cells can touch-talk to one another Caught in the act! 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