Patent Issued for Cell aggregate including retinal tissue and production method therefor (USPTO 11684698).

"However, in the cell mixture used in Non Patent Literature 2, cells are not adhered to each other, and the retinal progenitor cells adhered to the RPE cell sheet in Patent Literature 1 are not closely adhered to each other, thus they are not in a state capable of functioning as a retinal tissue. Keywords: Cellular Structures; Epithelial Cells; Extracellular Matrix; Extracellular Space; Pluripotent Stem Cells; Riken; Stem Cell Research EN Cellular Structures Epithelial Cells Extracellular Matrix Extracellular Space Pluripotent Stem Cells Riken Stem Cell Research 188 188 1 07/17/23 20230720 NES 230720 2023 JUL 17 (NewsRx) -- By a News Reporter-Staff News Editor at Stem Cell Week -- Riken has been issued patent number 11684698, according to news reporting originating out of Alexandria, Virginia, by NewsRx editors. The sphere-like cell aggregate according to claim 1, wherein a hydrogel is further present between the photoreceptor cell layer in (1) and the retinal pigment epithelium covering at least a part of the photoreceptor cell layer. [Extracted from the article]