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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, Department of Clinical and Experimental Medicine, Dermatology and Venerology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Dermatology and Venerology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Centre for Medicine, Department of Dermatology and Venerology in Östergötland.
Linköping University, Department of Clinical and Experimental Medicine, Oncology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Oncology UHL.ORCID iD: 0000-0003-1253-1901
Linköping University, Department of Clinical and Experimental Medicine, Dermatology and Venerology. Linköping University, Faculty of Health Sciences.
2009 (English)In: Molecular medicine reports, ISSN 1791-2997, Vol. 2, no 2, p. 259-263Article in journal (Refereed) 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 <21 CAs was found to be associated with the female gender (39.8 vs. 31.2%, P=0.041, OR=1.46, 95% Cl 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.

Place, publisher, year, edition, pages
2009. Vol. 2, no 2, p. 259-263
Keywords [en]
MANBA, polymorphism, risk, progression, melanoma
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-17144OAI: oai:DiVA.org:liu-17144DiVA, id: diva2:202135
Available from: 2009-03-07 Created: 2009-03-07 Last updated: 2024-01-10

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Rosdahl, IngerSun, Xiao-FengZhang, Hong

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Dermatology and VenerologyFaculty of Health SciencesDepartment of Dermatology and Venerology in ÖstergötlandOncologyDepartment of Oncology UHL
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