A polymorphism (K121Q) of the human glycoprotein PC‐1 gene coding region is strongly associated with insulin resistance. - Pizzuti,A.; Frittitta,L.; Argiolas,A.; Baratta,R.; Goldfine,I.D.; Bozzali,M.; Ercolino,T.; Scarlato,G.; Iacoviello,L.; Vigneri,R.; Tassi,V.; Trischitta,V. (Diabetes, 1999)