PUBLICATION
Bowman's layer in the cornea- structure and function and regeneration
- Authors
- Wilson, S.E.
- ID
- ZDB-PUB-200428-4
- Date
- 2020
- Source
- Experimental Eye Research 195: 108033 (Journal)
- Registered Authors
- Wilson, Steve
- Keywords
- Bowman's layer, Chemotaxis, Cornea, Histopathology, Wound healing
- MeSH Terms
-
- Animals
- Basement Membrane/cytology
- Basement Membrane/metabolism*
- Epithelium, Corneal/cytology
- Epithelium, Corneal/physiology*
- Humans
- Regeneration*
- PubMed
- 32339517 Full text @ Exp. Eye. Res.
Citation
Wilson, S.E. (2020) Bowman's layer in the cornea- structure and function and regeneration. Experimental Eye Research. 195:108033.
Abstract
Bowman's layer lies immediately posterior to the epithelial basement membrane (EBM) and anterior to the stroma proper in humans, chickens, quail, zebra fish, deer, giraffe, antelope, California sea lions, guinea pig and several other species. It is not found in dog, wolf, cat, tiger, lions, rabbit, pigs, cows, goats, or horses. Developmental anomalies of Bowman's layer are rare, but acquired damage to Bowman's layer, or even complete destruction, is frequently seen in advanced bullous keratopathy or Fuchs' endothelial dystrophy. No detrimental effects of removal of Bowman's layer over the central 6-7 mm of central cornea have been noted in millions of patients who've had photorefractive keratectomy (PRK). Recent studies have suggested the randomly-oriented collagen fibrils that make up Bowman's layer do not have a significant barrier function in modulating the passage of moderate- to large-sized proteins. It is hypothesized that Bowman's layer develops in the corneas of those species that have one because of cytokine-mediated interactions occurring between corneal epithelial cells and underlying keratocytes, including negative chemotactic and apoptotic effects on the keratocytes by low levels of cytokines such as interleukin-1α that are gradually released as epithelial cells die and slough during their normal development. A "Bowman's like layer" can generate around stromal epithelial plugs after radial keratotomy, and possibly beneath the central corneal epithelial basement membrane many years after PRK.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping