Echipa de cercetare condusă de Dr. Mitinori Saitou de la Universitatea Kyoto a reuşit ca în urma unor experimente pe diverşi şoareci sterili, femele şi masculi, să „aducă pe lume” 214 de urmaşi pentru cele 65 de familii de cobai.
Transformarea celulelor stem embrionare în spermatozoizi sănătoşi este lăudată de profesori de marcă din toată lumea şi salutată cu bucurii de colegii de breaslă. „Este un set strălucitor de experimente”, a declarat George Daley, director al programului de transplant de celule stem la Spitalul de Copii din Boston pentru Wall Street Journal.
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