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Analysis of genetic susceptibility to cervical cancer using candidate gene and GWAS approaches
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- Juko-Pecirep, Ivana, 1984- (author)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Ulf Gyllensten
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- Gyllensten, Ulf, Professor (thesis advisor)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi
- Luthman, Holger (opponent)
- (creator_code:org_t)
- ISBN 9789155492342
- Uppsala : Acta Universitatis Upsaliensis, 2015
- English 50 s.
- Series: Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, 1651-6206 ; 1100
- Doctoral thesis (other academic/artistic)
Abstract
Subject headings
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- Cervical cancer is the forth most commonly diagnosed cancer among women worldwide. It is caused by persistent infection with an oncogenic type of Human Papillomavirus (HPV). The HPV is a necessary but not sufficient cause of cervical cancer. Environmental factors such as smoking, high parity and long-term use of oral contraceptives increases the risk of cervical cancer. Genetic factors also affect the risk of developing the disease. The aim of this thesis is to search for and evaluate genetic risk factors for cervical cancer using both a candidate gene approach and a genome-wide association study (GWAS).Paper I examined the association of genetic variation in three Fanconi Anemia (FA) genes (FANCA, FANCC and FANCL), involved in DNA repair, with cervical cancer susceptibility in the Swedish population. No association was observed. Paper II evaluated the association of genetic variation in the TMC6 and TMC8 genes with susceptibility to cervical cancer in the Swedish population and an association of two SNPs (rs2290907 and rs16970849) with cervical cancer was observed. In paper III the first GWAS performed in cervical cancer was reported. Three independent loci in the major histocompatibility complex (MHC) region at 6p21.3 were found to affect the susceptibility to cervical cancer. Paper IV examined the sequence variation in the TMC6 and TMC8 region and its association with cervical cancer. A highly polymorphic 21 bp sequence was identified and found to be repeated 5 to 42 times in both cases and controls. Lack of this repeat was associated with increased risk of cervical cancer. An intronic SNP (rs2926778) located in between the TNRC6C and TMC6 genes was also found to be associated with cervical cancer.The thesis provides evidence for the importance of genes in the immune system for cervical cancer susceptibility. The genetic risk factors identified explain only a part of the genetic susceptibility, implying that other risk factors remains to be identified
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Keyword
- cervical cancer
- association study
- human papillomavirus
- genetics
- complex disease
- TMC6
- TMC8
- MHC region
- Medical Genetics
- Medicinsk genetik
Publication and Content Type
- vet (subject category)
- dok (subject category)
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