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Scientists have long been able to prod stem cells into forming heart-like beating clumps in the lab, but those cells don't behave like normal heart cells. Getting them to mimic normal adult cells 鈥?a critical step for eventu
nike dunk uomo ally using them to test drugs 鈥?requires tension and a specific shape.The heart is never quite at rest, and it turns out t
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nike dunk en in a lab heart cells need a little of that tension. Without something to pull against, heart cells grown from stem cells in a lab dish fail to develop normally.In addition to discovering the important role that tension plays in growing heart cells outside of the body, Stanford engineers have found that lab-grown heart cells contract more strongly when grown in long, thin shapes.Beth Pruitt, an associate professor of mechanical engineering and senior author on the study, said that stem cells have held promise as a source of human heart cells, and for almost a decade scientists have been able to grow them into beating structures in the lab ANKARA:Turkey on Saturday marked one year since the def
adidas campus orange eat of the failed coup bid with mass nationwide rallies seeking to showcase national unity and a stern warning by President Recep Tayyip Erdogan to "chop off the heads" of traitors.The authorities declared July 15 an annual national holiday of "democracy and unity", billing the foiling of the putsch as a historic victory of Turkish democracy.In an intense programme aiming to hammer home the anniversary's importance, Erdogan attended a special session of parliament in Ankara, spoke to a mass rally in Istanbul and then flew back to the capital for a rally outside parliament and a special event at the presidential palace in the early hours of the morning.Bylock: shadowy app Turkey says was key to coup bidSpeak
adidas campus nere ing to hundreds of thousands by the bridge across the Bo
adidas campus damen sphorus in Istanbul that was a fighting flashpoint, Erdogan warned Turkey could reintroduce capital punishment. "First of all we will chop off the heads of those traitors,"
