Pathogenesis and treatments of TGFBI corneal dystrophies

Kyung Eun Han, Seung Il Choi, Tae Im Kim, Yong Sun Maeng, R. Doyle Stulting, Yong Woo Ji, Eung Kweon Kim

Research output: Contribution to journalReview article

25 Citations (Scopus)

Abstract

Transforming growth factor beta-induced (. TGFBI) corneal dystrophies are a group of inherited progressive corneal diseases. Accumulation of transforming growth factor beta-induced protein (TGFBIp) is involved in the pathogenesis of TGFBI corneal dystrophies; however, the exact molecular mechanisms are not fully elucidated. In this review article, we summarize the current knowledge of TGFBI corneal dystrophies including clinical manifestations, epidemiology, most common and recently reported associated mutations for each disease, and treatment modalities. We review our current understanding of the molecular mechanisms of granular corneal dystrophy type 2 (GCD2) and studies of other TGFBI corneal dystrophies. In GCD2 corneal fibroblasts, alterations of morphological characteristics of corneal fibroblasts, increased susceptibility to intracellular oxidative stress, dysfunctional and fragmented mitochondria, defective autophagy, and alterations of cell cycle were observed. Other studies of mutated TGFBIp show changes in conformational structure, stability and proteolytic properties in lattice and granular corneal dystrophies. Future research should be directed toward elucidation of the biochemical mechanism of deposit formation, the relationship between the mutated TGFBIp and the other materials in the extracellular matrix, and the development of gene therapy and pharmaceutical agents.

Original languageEnglish
Pages (from-to)67-88
Number of pages22
JournalProgress in Retinal and Eye Research
Volume50
DOIs
Publication statusPublished - 2016 Jan 1

Fingerprint

Fibroblasts
Corneal Diseases
Autophagy
Transforming Growth Factor beta
Genetic Therapy
Extracellular Matrix
Cell Cycle
Mitochondria
Epidemiology
Oxidative Stress
Therapeutics
Mutation
Pharmaceutical Preparations
betaIG-H3 protein
Corneal dystrophy Avellino type

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems

Cite this

Han, Kyung Eun ; Choi, Seung Il ; Kim, Tae Im ; Maeng, Yong Sun ; Stulting, R. Doyle ; Ji, Yong Woo ; Kim, Eung Kweon. / Pathogenesis and treatments of TGFBI corneal dystrophies. In: Progress in Retinal and Eye Research. 2016 ; Vol. 50. pp. 67-88.
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Pathogenesis and treatments of TGFBI corneal dystrophies. / Han, Kyung Eun; Choi, Seung Il; Kim, Tae Im; Maeng, Yong Sun; Stulting, R. Doyle; Ji, Yong Woo; Kim, Eung Kweon.

In: Progress in Retinal and Eye Research, Vol. 50, 01.01.2016, p. 67-88.

Research output: Contribution to journalReview article

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