[The research progress of LGR4 in the eye development and related diseases].
LGR4, also known as GPR48, is a member of the leucine-rich, G protein-coupled receptor family. It is widely expressed in tissues of the reproductive system, urinary system, sensory organs, digestive system, and central nervous system. LGR4 plays an important role in the development of various organs and cancer development and progression by modulating multiple signaling pathways. Recent studies have revealed that LGR4 is related with many kinds of human diseases such as gastrointestinal carcinomas. Eye development is a dynamic process regulated by a number of growth factors and cytokines. LGR4 is extensively expressed in the eyes in a finely tuned spatiotemporal pattern. Mice lacking LGR4 have been found to display anterior segment dysgenesis, including microphthalmia, iris hypoplasia, iridocorneal angle malformation and corneal dysgenesis, cataract and other defects. Here we review the role of LGR4 in the eye development and related molecular mechanisms.(Chin J Ophthalmol, 2017, 53: 236-240).
Optometry Clinic, Eye Hospital of Wenzhou Medical College, Wenzhou 325003, China.
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D000818:Animals; D002386:Cataract; D005124:Eye Abnormalities; D006801:Humans; D051379:Mice; D043562:Receptors, G-Protein-Coupled / Q000502:physiology*; D015398:Signal Transduction
C496200:LGR4 protein, mouse; D043562:Receptors, G-Protein-Coupled
Anterior eye segment; Cataract; Corneal diseases; Eye abnormalities; Eyelids; Receptors, G-protein-coupled