Table 3 Effect of storage on the expression of some proteins associated with RPE-specific functions. Fold change represents changes in cells stored for three days compared to control cells.

From: Improvement of Storage Medium for Cultured Human Retinal Pigment Epithelial Cells Using Factorial Design

Gene Symbol

Gene Description

Role in RPE

Fold change

P value (T test)

RPE65

Retinoid isomerohydrolase

Visual pigment regeneration

1.1

0.21

RLBP1 (CRALBP)

Retinaldehyde-binding protein 1

Visual cycle

1

0.93

TYR

Tyrosinase

Pigmentation

0.8

0.0038

PMEL

Melanocyte protein PMEL

Pigmentation

1

0.65

TYRP1

5,6-dihydroxyindole-2-carboxylic acid oxidase

Pigmentation

0.9

0.32

TYRP2

L-dopachrome tautomerase

Pigmentation

0.8

0.23

MFGE8

Lactadherin

Phagocytosis

1

0.81

ZO-1

Tight junction protein ZO-1

Tight junctions

1

0.90

OCLN

Occludin

Tight junctions

0.9

0.75

KRT18

Keratin, type I cytoskeletal 18

Cytoskeleton

0.9

0.08