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dc.contributor.authorGylfason, Jon Torfi
dc.contributor.authorDang, Dianne
dc.contributor.authorPetursdottir, Vigdis
dc.contributor.authorBenediktsdottir, Kristrun R
dc.contributor.authorGeirsson, Reynir T
dc.contributor.authorPoindexter, Alfred
dc.contributor.authorMitchell-Leef, Dorothy
dc.contributor.authorBuster, John E
dc.contributor.authorCarson, Sandra A
dc.contributor.authorSimpson, Joe Leigh
dc.contributor.authorBischoff, Farideh Z
dc.date.accessioned2009-03-19T09:39:03Z
dc.date.available2009-03-19T09:39:03Z
dc.date.issued2005-11-01
dc.date.submitted2009-03-19
dc.identifier.citationFertil. Steril. 2005, 84(5):1388-94en
dc.identifier.issn1556-5653
dc.identifier.pmid16275233
dc.identifier.doi10.1016/j.fertnstert.2005.05.031
dc.identifier.urihttp://hdl.handle.net/2336/56394
dc.descriptionTo access publisher full text version of this article. Please click on the hyperlink in Additional Links fielden
dc.description.abstractOBJECTIVE: To investigate quantitative aberrations involving p53 copy numbers in eutopic endometrial and endometriotic tissue from two populations. DESIGN: Comparative analysis of normal and diseased tissue. SETTING: Tissue specimens collected in Iceland and USA. PATIENT(S): Subjects with moderate/severe endometriosis (Iceland, n = 26; USA, n = 45). Paraffin-embedded tissue from 19 matched Icelandic cases and seven unaffected controls. American cases were fresh surgical tissue from 17 matched cases and 28 unaffected controls. DNA isolation and real-time polymerase chain reaction (PCR) with TaqMan assay were performed. MAIN OUTCOME MEASURE(S): The frequency of p53 loss and/or gain based on quantitative differences for copy numbers of p53 located on chromosome (17p) and GAPDH on a control locus (chromosome 12p). RESULT(S): Among American cases, significant p53 gain (n = 13) or loss (n = 4) was observed in 17 of 21 cases. In Icelandic cases this was not seen to the same degree. Mean normalized p53 values were 3.46 and 1.16 copies per reaction, respectively. Significant differences were observed between normalized p53 in the control blood and affected tissue for the American and Icelandic cases compared to standard GAPDH control but not in normal Icelandic and American endometrium. CONCLUSION(S): The results continue to support a role for nonrandom somatic p53 locus alterations in the pathogenesis of late or severe-stage endometriosis. Differences between Icelandic and American subjects have implications for generalization of genome-wide approaches.
dc.language.isoenen
dc.publisherElsevier for the American Society for Reproductive Medicineen
dc.relation.urlhttp://www.sciencedirect.com/science/article/B6T6K-4HGTNG9-K/2/e514c00e8e40055f2232c39b053b6e8ben
dc.subject.meshDNAen
dc.subject.meshEndometriosisen
dc.subject.meshFemaleen
dc.subject.meshGenes, p53en
dc.subject.meshHumansen
dc.subject.meshIcelanden
dc.subject.meshQuantitative Trait Locien
dc.subject.meshUnited Statesen
dc.titleQuantitative DNA perturbations of p53 in endometriosis: analysis of American and Icelandic cases.en
dc.typeArticleen
dc.contributor.departmentMedical Faculty, University of Iceland, Reykjavik, Iceland.en
dc.identifier.journalFertility and sterilityen
html.description.abstractOBJECTIVE: To investigate quantitative aberrations involving p53 copy numbers in eutopic endometrial and endometriotic tissue from two populations. DESIGN: Comparative analysis of normal and diseased tissue. SETTING: Tissue specimens collected in Iceland and USA. PATIENT(S): Subjects with moderate/severe endometriosis (Iceland, n = 26; USA, n = 45). Paraffin-embedded tissue from 19 matched Icelandic cases and seven unaffected controls. American cases were fresh surgical tissue from 17 matched cases and 28 unaffected controls. DNA isolation and real-time polymerase chain reaction (PCR) with TaqMan assay were performed. MAIN OUTCOME MEASURE(S): The frequency of p53 loss and/or gain based on quantitative differences for copy numbers of p53 located on chromosome (17p) and GAPDH on a control locus (chromosome 12p). RESULT(S): Among American cases, significant p53 gain (n = 13) or loss (n = 4) was observed in 17 of 21 cases. In Icelandic cases this was not seen to the same degree. Mean normalized p53 values were 3.46 and 1.16 copies per reaction, respectively. Significant differences were observed between normalized p53 in the control blood and affected tissue for the American and Icelandic cases compared to standard GAPDH control but not in normal Icelandic and American endometrium. CONCLUSION(S): The results continue to support a role for nonrandom somatic p53 locus alterations in the pathogenesis of late or severe-stage endometriosis. Differences between Icelandic and American subjects have implications for generalization of genome-wide approaches.


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