Progenitor Cells (IMAGE) Scripps Research Institute Caption The Scripps Research Institute team found 'progenitor' cells isolated from healthy lacrimal glands can improve the appearance and function of diseased tissue. Credit TSRI's Makarenkova lab 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.