Lonza Introduces Clonetics® Human Retinal Pigment Epithelial Cells & RtEGM™ Growth Medium 14 Jun 2010: Lonza is pleased to announce the availability of cryopreserved Clonetics® Human Retinal Pigment Epithelial (hRPE) Cells and optimized RtEGM™ Growth Medium BulletKit® for ophthalmologic research including age-related macular degeneration, retinistis pigmentosa, and gene expression profiles of RPE. Lonza Group Ltd