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 LAHORE:Pakistan on Tuesday took a giant step towards reviving international cricket at home with a 20-run victory over the World XI in a match played before excited crowds and amid tight security.The first Twenty20 match of the Azadi Cup, accorded international status by the International Cricket Council, is only the seco adidas campus gr眉n nd time Pakistan has hosted an international match since militants attacked the bus of the visiting Sri Lankan team in March 2009. That attack killed eight people and injured seven players and staff.Long before the match started at 7:00pm, around 9,000 police and paramilitary personnel had taken positions around the area, cordoning off the teams鈥?hotels and G nb addafi Stadium.World XI squad arrives in Lahore amid tight聽securityBut the large secur new balance rosa ity presence did little to temper the enthusiasm of fans in the cricket-mad country.Despite the hot and humid weather, cricket enthusiasts started reaching Gaddafi Stadium, along with their families and friends around noon. Most w The more than 200 different types of  new balance sneaker human cells have the same DNA but express different ensembles of genes. Each cell type was derived from embryonic stem cells, which are called pluripotent stem cells because they can differentiate to all those different cell fates.One very active area of biology nike dunk panda  is cells that mimic these fountainhead embryonic stem cells, cells that are called induced pluripotent stem cells, or iPSCs. With genetic and biochemical tricks, researchers can reverse a differentiated cell 鈥?such as a skin fibroblast 鈥?into a pluripotent state.Such iPSCs have the potential to create tissue for regenerative medicine, such as repair heart attacks, create models of human disease or make cells that enable drug screening. But future progress with iPSCs needs a much greater understanding of the basic biology of pluripotency and differentiation.鈥淔or the goal of using stem cells in therapy, the most impo yeezys 350 rtant step is differentiation from iPSCs,鈥?said Rui Zhao, Ph.D., an assistant