A method of treating amyloidoses by administering an effective amount of a cystatin C composition. A method of preventing and inhibiting Aβ oligomerization by administering an effective amount of a cystatin C composition. A composition for inhibiting Aβ oligomerization including an effective amount...http://www.google.es/patents/US7790673?utm_source=gb-gplus-sharePatente US7790673 - Methods and compositions relating to cystatin C