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| 18.02.2017, 08:13 - nieeshoes - Rank 6 - 1159 Posts
One way to keep stem cells and other cells working is to avoid the loss of telomeres capping the ends of chromosomes. As cells divide, http://cheapjordansstock.com , their telomeres grow shorter until they are so short that chromosomes can no longer safely replicate. That may be a signal for the cell to shut down or die. So some researchers think that lengthening telomeres could give cells the protection needed to survive longer. One biotechnology company executive flew from the United States to Colombia to try out her company’s gene therapy for lengthening telomeres. That decision bypassed U.S. government and other safety measures designed to protect human study participants. And no one knows whether it will work or doom her to cancer, which often relies on long telomeres to keep growing. Other researchers are exploring more measured approaches to antiaging therapies. One study in dogs is testing rapamycin, cheap jordans free shipping , the first drug shown to lengthen mouse life spans. Rapamycin is an immune suppressant that also has anticancer effects. The rationale for using it came from research on caloric restriction, cheap Authentic jordans , the world-champion method for making animals live longer. Animals on calorie-restricted diets typically eat at least 25 percent fewer calories than normal. Such low-cal treatment has increased life spans in mice, cheap retro jordans , dogs, cheap air jordans , fruit flies, cheap jordans online , yeast, cheap jordan shoes , worms and other lab organisms. Results from primate studies have been mixed (SN: 8/1/09, p. 9; SN: 10/6/12, p. 8). Some people have put themselves on caloric-restriction regimes (SN: 10/25/08, p. 17). A handful of studies suggest that those people have better health, cheap real jordans , but it’s too soon to know whether they will outlive their peers. http://reviews.cba.pl/index.php?tid=3530 http://www.nanicvlasy.sk/search/node/ http://www.teen-world....iewthread.php?thread_id=0 |
| 22.02.2017, 11:27 - nieeshoes - Rank 6 - 1159 Posts
If you had to have a prosthetic hand, cheap jordans for sale , would you want it to look like a real hand? Or would you prefer a gleaming metallic number, something that doesn’t even try to look human? A new study looks at one of the issues that prosthetic designers and wearers face in making this decision: the creepy factor. People tend to get creeped out by robots or prosthetic devicesthat look almost, but not quite, cheap air jordans , human. So Ellen Poliakoff and colleagues at the University of Manchester in England had people rate the eeriness of various prosthetic hands. Forty-three volunteers looked at photographs of prosthetic and real hands. They rated both how humanlike (realistic) the hands were and how eerie they were, defined as “mysterious, strange, cheap wholesale jordans , or unexpected as to send a chill up the spine.” Real human hands were rated both the most humanlike and the least eerie (a good thing for humans). Metal hands that were clearly mechanical were rated the least humanlike, cheap jordans online , but less eerie overall than prosthetic hands made to look like real hands, http://cheapjordansstock.com , the team reports in the latest issue of Perception, cheap Authentic jordans . [img]/sites/default/files/images/gt_chart_eerie[/img]The realistic prosthetics, cheap real jordans , like the rubber hand shown above, cheap jordan shoes , fell into http://users.atw.hu/cn...orum_topic&topic=9345 http://honeybadgerpress.ca/node/166#comment-602954 http://www.garteninsel...ion=com_content&id=56 |