Micro-RNA in Leprosy Skin Specimens (image) University of California - Los Angeles Health Sciences Share Print E-Mail Caption Skin biopsy sections from L-lep (progressive disease) and T-lep (limited disease) show the micro RNA hsa-mir-21 identified through a green fluorescent stain and skin nuclei identified with a blue fluorescent stain. Note more occurrence of hsa-mir-21 in progressive versus limited disease. Credit UCLA Usage Restrictions None Share Print E-Mail 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.