Association of impaired phosphatidylinositol 3-kinase activity in GLUT1- containing vesicles with malinsertion of glucose transporters into the plasma membrane of fibroblasts from a patient with severe insulin resistance and clinical features of Werner syndrome. - Kausch,C.; Hamann,A.; Uphues,I.; Niendorf,A.; Muller-Wieland,D.; Joost,H.G.; Algenstaedt,P.; Dreyer,M.; Rudiger,H.W.; Haring,H.U.; Eckel,J.; Matthaei,S. (J Clin Endocrinol Metab, 2000)