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Absence of the comm...
Absence of the common Insulin-like growth factor-1 19-repeat allele is associated with early age at breast cancer diagnosis in multiparous women.
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- Bågeman, Erika (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Ingvar, Christian (författare)
- Lund University,Lunds universitet,Kirurgi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Surgery (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Rose, Carsten (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Jernström, Helena (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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(creator_code:org_t)
- 2007-02-20
- 2007
- Engelska.
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Ingår i: British Journal of Cancer. - : Springer Science and Business Media LLC. - 1532-1827 .- 0007-0920. ; 96, s. 712-717
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://www.nature.c...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Multiparity decreases the risk of breast cancer in white women, whereas it is a risk factor in black women < 50 years. Early-onset breast cancer (< 50 years) has been associated with high insulin-like growth factor-I (IGF-I) levels. Absence of the common IGFI 19 cytosine-adenine ( CA)- repeat allele (IGFI-19/-19) inverts the effect of several non-genetic factors on breast cancer risk but the interaction between IGFI-19/-19 and multiparity on breast cancer risk is unknown. As IGFI-19/-19, multiparity and early-onset breast cancer are more common in black than in white women, we aimed to study whether multiparity combined with IGFI-19/-19 increases the risk of early-onset breast cancer. Four hundred and three breast cancer patients diagnosed in Lund, Sweden, at age 25 - 99 years were genotyped for the IGFI CA-repeat length using fragment analysis. Overall, 12.9% carried the IGFI-19/-19 genotype. There was a highly significant interaction between multiparity and IGFI-19/-19 on age at breast cancer diagnosis ( P = 0.007). Among IGFI-19/-19 patients, multiparity was associated with a 9.2 year earlier age at diagnosis compared with uniparity or nulliparity ( P = 0.006). Multiparity combined with IGFI-19/-19 was associated with an early age at breast cancer diagnosis. If confirmed, IGFI-19/-19 may help identify a subgroup of women for earlier breast cancer screening.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- early-onset breast cancer
- IGF1 genotype
- multiparity
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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