The following is the latest list of selected news summaries by Kyodo News.----------Japan's Sakaguchi, 2 Americans share Nobel Prize in medicineSTOCKHOLM - Japanese scientist Shimon Sakaguchi shared the Nobel Prize in Physiology or Medicine with two Americans on Monday for discovering regulatory T cells that act as a check to prevent excessive immune reactions.Sakaguchi, a 74-year-old distinguished professor at Osaka University, discovered that regulatory T cells, or Tregs, prevent other T cells from attacking the body's own healthy cells that are sometimes mistaken for foreign substances.-…READ FULL ARTICLE