| Neonatal Blue Light Phototherapy and Melanocytic Nevi: A Twin Study. | |
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MedLine Citation:
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PMID: 21930537 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background:Neonatal blue light phototherapy (NBLP) has been widely and successfully used for the treatment of neonatal jaundice to reduce the plasma concentration of bilirubin and, hence, to prevent kernicterus. Only a few and controversial data are available in the literature as to how NBLP influences melanocytic nevus development.Objective:Our goal was to conduct a twin study with the aim of better understanding the role of NBLP in melanocytic nevus development. We also investigated the roles of other environmental and constitutional factors in nevus formation.Methods:Fifty-nine monozygotic and dizygotic twins were included in this cross-sectional study. One of the twin members received NBLP, and the other did not. A whole-body skin examination was performed to determine the density of melanocytic skin lesions. The prevalence of benign pigmented uveal lesions was evaluated during a detailed ophthalmologic examination. A standardized questionnaire was used to assess data relating to constitutional, sun-exposure, and other variables. To search for possible gene-environmental interactions involved in the appearance of pigmented lesions, the melanocortin 1 receptor variants and the I439V polymorphism of histidine ammonia-lyase genes were also determined in the enrolled twins.Results:NBLP was associated with a significantly higher prevalence of both cutaneous and uveal melanocytic lesions. No association was found between the examined gene polymorphisms and the number of pigmented alterations in the examined study group.Conclusions:Our data suggest that NBLP could well be a risk factor for melanocytic nevus development. Phototherapy with blue-light lamps is a standard and essential therapeutic modality in neonatal care; therefore, additional in vivo and in vitro studies are necessary to establish its potential long-term adverse effects. |
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Authors:
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Zsanett Csoma; Edit Tóth-Molnár; Klára Balogh; Hilda Polyánka; Hajnalka Orvos; Henriette Ocsai; Lajos Kemény; Márta Széll; Judit Oláh |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-19 |
Journal Detail:
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Title: Pediatrics Volume: - ISSN: 1098-4275 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376422 Medline TA: Pediatrics Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Dermatology and Allergology. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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