IGF-1 has also been referred to as a "sulfation factor" and its effects were termed "nonsuppressible insulin-like activity" (NSILA) in the 1970s.
كما أحيل IGF-1 على أنه "عامل الكبرتة" وآثاره وصفت ب "نشاطات انسولينية غير قابلة للقمع " (NSILA) في 1970s.