The survival of donor-derived cells in a successfully grafted corneal button 10 years after penetrating keratoplasty for lattice dystrophy

Sun Woong Kim, Hwan Young Lee, Tae-im Kim, Kyoung Jin Shin, Woo Ick Yang, Eungkweon Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Aims: To investigate the survival of donor-derived cells in a successfully grafted corneal button 10 years after penetrating keratoplasty for lattice dystrophy. Methods: In 1996, a 48-year-old male with lattice corneal dystrophy underwent penetrating keratoplasty 3 times in the right eye within a 3-month interval. Nine years and 7 months later, the patient underwent a fourth penetrating keratoplasty. After surgery, the previous graft was analyzed to determine the origin of the cells. The epithelium and endothelium were removed, and then the button was dissected into 5 stromal blocks measuring 2 × 1.8 mm. Tissues underwent forensic genotyping using 16 markers (amelogenin for sex chromosomes and 15 autosomal short tandem repeats). Patient buccal tissue DNA was used as a control. Results: The epithelium and buccal tissue contained identical DNA (i.e. recipient DNA). Similarly, the most peripheral stromal tissue contained only recipient DNA. In contrast, the most central stromal tissue only contained DNA of nonrecipient origin (presumably donor), while the stromal tissue between the periphery and center contained both recipient and nonrecipient DNA. Conclusions: The corneal stroma was infiltrated by surrounding recipient-derived keratocytes from the periphery. Therefore, more donor-derived cells had survived in the central stroma.

Original languageEnglish
Pages (from-to)396-400
Number of pages5
JournalOphthalmologica
Volume223
Issue number6
DOIs
Publication statusPublished - 2009 Oct 1

Fingerprint

Penetrating Keratoplasty
Tissue Donors
Survival
DNA
Cheek
Epithelium
Amelogenin
Corneal Stroma
Chromosomes, Human, Pair 15
Sex Chromosomes
Microsatellite Repeats
Endothelium
Transplants

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems

Cite this

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title = "The survival of donor-derived cells in a successfully grafted corneal button 10 years after penetrating keratoplasty for lattice dystrophy",
abstract = "Aims: To investigate the survival of donor-derived cells in a successfully grafted corneal button 10 years after penetrating keratoplasty for lattice dystrophy. Methods: In 1996, a 48-year-old male with lattice corneal dystrophy underwent penetrating keratoplasty 3 times in the right eye within a 3-month interval. Nine years and 7 months later, the patient underwent a fourth penetrating keratoplasty. After surgery, the previous graft was analyzed to determine the origin of the cells. The epithelium and endothelium were removed, and then the button was dissected into 5 stromal blocks measuring 2 × 1.8 mm. Tissues underwent forensic genotyping using 16 markers (amelogenin for sex chromosomes and 15 autosomal short tandem repeats). Patient buccal tissue DNA was used as a control. Results: The epithelium and buccal tissue contained identical DNA (i.e. recipient DNA). Similarly, the most peripheral stromal tissue contained only recipient DNA. In contrast, the most central stromal tissue only contained DNA of nonrecipient origin (presumably donor), while the stromal tissue between the periphery and center contained both recipient and nonrecipient DNA. Conclusions: The corneal stroma was infiltrated by surrounding recipient-derived keratocytes from the periphery. Therefore, more donor-derived cells had survived in the central stroma.",
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The survival of donor-derived cells in a successfully grafted corneal button 10 years after penetrating keratoplasty for lattice dystrophy. / Kim, Sun Woong; Lee, Hwan Young; Kim, Tae-im; Shin, Kyoung Jin; Yang, Woo Ick; Kim, Eungkweon.

In: Ophthalmologica, Vol. 223, No. 6, 01.10.2009, p. 396-400.

Research output: Contribution to journalArticle

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