Patent 7186553 was granted and assigned to Takeda Pharmaceutical Company on March, 2007 by the United States Patent and Trademark Office.
The present invention relates to a new immortalized hepatocyte culture of human (preferably human fetal) normal cell origin. The immortalized hepatocyte culture of human normal cell origin of the present invention is useful in, for example, screening for compounds or salts thereof having therapeutic/preventive effects on hepatic insufficiency.