Document Detail


Associations of VEGF/VEGF-Receptor and HGF/c-Met Promoter Polymorphisms With Progression/Regression of Retinopathy of Prematurity.
MedLine Citation:
PMID:  23094709     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Purpose: To determine the effect(s) of vascular endothelial growth factor (VEGF), VEGF receptor-2 (VEGFR-2), hepatocyte growth factor (HGF), and HGF receptor (c-Met) polymorphisms on progression/regression of retinopathy of prematurity (ROP) in premature infants. Materials and methods: This study comprised both a prospective analysis and a clinically relevant laboratory investigation. Enrolled were 123 Turkish preterm infants-gestational age (GA), ≤34 weeks; birth weight (BW), ≤1500 g-from a single tertiary care center. Infants were grouped as those who had undergone laser therapy (Group 1, n = 42), those with spontaneously regressed ROP (Group 2, n = 50), and those with no ROP (controls) (Group 3, n = 31). VEGF (-634) C and VEGF (-460) C polymorphisms were analyzed using the PCR-restriction fragment length polymorphism (RFLP) (PCR-RFLP) technique. VEGFR-2, HGF, and c-Met gene promoter polymorphisms were determined by direct sequencing. Results: Mean GAs and BWs of infants in Groups 1 and 2 were statistically significantly lower than those of Group 3 (p = 0.001). Frequencies of VEGF (-634) C and VEGF (-460) C polymorphisms were similar for all groups. We found a +32G→A single-nucleotide polymorphism (SNP) in the promoter region of the VEGFR-2 gene. HGF and c-Met gene promoter polymorphisms were not found in any group. Conclusions: Our results indicate that there is no association between the carrier states of gene promoter polymorphisms VEGF (-634) C, VEGF (-460) C, and VEGFR-2, and progression or spontaneous regression of ROP in preterm infants. The absence of HGF and c-Met polymorphisms in our study groups suggests that polymorphisms in the minimal promoters of these genes are not involved in the pathogenesis of ROP.
Authors:
Mahmut Kaya; Murat Cokakli; Ayse Tulin Berk; Aylin Yaman; Didem Yesilirmak; Abdullah Kumral; Nese Atabey
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-24
Journal Detail:
Title:  Current eye research     Volume:  -     ISSN:  1460-2202     ISO Abbreviation:  Curr. Eye Res.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8104312     Medline TA:  Curr Eye Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Ophthalmology, Dokuz Eylul University , Izmir , Turkey.
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