VATICAN CITY--(BUSINESS WIRE)--Sept. 13, 2006--PrimeCell(TM) Therapeutics LLC (http://www.primecelltherapeutics.com) today announced that its lead stem cell researcher, Francisco Silva, has been invited to present the company's germ cell reprogramming technology at an international conference on stem cell research organized by the Pontifical Academy for Life and the World Federation of Catholic Medical Associations.