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No matter how you slice it, the freshwater planarian possesses an amaz adidas yeezys ing ability to regenerate lost bod damen jordans y parts. Chop one into pieces and each piece can grow into a complete planarian. The flatworm relies upon a population of stem cells to accomplish this; recent work sheds light on how planarians maintain these stem cells throughout their lives.In a paper to appear in t nike dunks high he August issue of the journal Developmental Cell, scientists show that a member of the Bruno-like family of RNA binding proteins 鈥?produced by a gene found in both planarians and humans 鈥?plays a vital role in maintaining the stem cell population in the planarian Schmidtea mediterranea.The work could lead to a better understanding of the fundamental mechanisms by which stem cells are regulated; such basic understanding is required for the successful therapeutic application of stem cells in humans.鈥淥ne of the defining characteristics of stem cells is their ability to self-renew 鈥?that is, to make more stem cells in addi BEIJING:"B adidas samba donna lind faith" in sanctions and international pressure on North Korea are irresponsible, China's Foreign Minister said on Tuesday, after the UN security council implemented a fresh round of economic ugg fellboots curbs targeting the North's nuclear program.North Korea conducted its fourth nuclear test in January and a long-range rocket launch last month triggering a UN Security Council resolution and tough new sanctions.China says extremely concerned by North Korea satellite launch plan"The final settlement of the Korean peninsula issue needs comprehensive action and the right medicine for the illness," Foreign Minister Wang Yi told journalists."Blind faith in sanctions and pressure, ac newbalance 9060 tually, are not a responsible approach for the future of the Korean peninsula."Wang made the remarks at a briefing as China conducted its annual parliamentary session.Isolated North Korea has rejected criticism of its nuclear and rocket programs, even from old ally China, and last week leader Kim Jong Un ordere