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Genotype <21CAs/≥21CAs and allele <21CAs of the MANBA gene in melanoma risk and progression in a Swedish population
Linköping University.
Linköping University.
Linköping University.
Högskolan i Skövde, Forskningscentrum för Systembiologi. Högskolan i Skövde, Institutionen för vård och natur.
2009 (Engelska)Ingår i: Molecular Medicine Reports, ISSN 1791-2997, E-ISSN 1791-3004, Vol. 2, nr 2, s. 259-263Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Cutaneous melanoma is characterized by poor patient outcome in its later stages. The search for genetic markers is therefore crucial for the identification of populations at risk for melanoma. Highly polymorphic CA repeats in 3' proximity in the MANBA gene were examined by PCR-capillary electrophoresis in 185 Swedish melanoma patients and 441 tumor-free age- and gender-matched individuals. The associations of the polymorphisms with melanoma risk, the pigment phenotypes of the patients and tumor characteristics were analyzed. A significant difference in allelic distribution between melanoma patients and tumor-free individuals was observed. The frequency of the MANBA genotype <21CAs/≥21CAs was significantly higher in melanoma patients than in the controls. When comparing allele distribution in patients and their matched controls, the allele <21CAs was found to be associated with the female gender (39.8 vs. 31.2%, P=0.041, OR=1.46, 95% CI 1.02-2.10), but not with male gender (34.4 vs. 30.9%, P%0.39). Within the melanoma group, there were no differences in the distribution of the MANBA alleles associated with patient gender or age before or after 55 years at diagnosis, nor was there any association between the MANBA genotype and pigment phenotype or tumor sites. The MANBA allele <21CAs was, however, associated with thin melanomas at diagnosis (Breslow thickness ≤1.5 mm and Clark levels I and II). In conclusion, these data suggest that MANBA polymorphisms might be an indicator of tumor growth and progression and, together with other markers, could be used to identify individuals at increased risk of melanoma.

Ort, förlag, år, upplaga, sidor
Spandidos Publications Ltd. , 2009. Vol. 2, nr 2, s. 259-263
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URN: urn:nbn:se:his:diva-3295DOI: 10.3892/mmr_00000093ISI: 000263609700020PubMedID: 21475822Scopus ID: 2-s2.0-69249092216OAI: oai:DiVA.org:his-3295DiVA, id: diva2:227149
Tillgänglig från: 2009-07-09 Skapad: 2009-07-09 Senast uppdaterad: 2017-12-13Bibliografiskt granskad

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