Hijacking Host-Cell Proteins (IMAGE) University of Pennsylvania School of Medicine Caption Mammalian host cell devoid of calpain engorged with Toxoplasma parasites unable to exit. Credit Rajesh Chandramohanadas et al; Science: 10.1126/science.1171085 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.