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Serum copper, zinc and copper/zinc ratio in relation to survival after breast cancer diagnosis: A prospective multicenter cohort study
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- Bengtsson, Ylva (författare)
- Lund University,Lunds universitet,Kirurgi,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Surgery,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital
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- Demircan, Kamil (författare)
- Humboldt University of Berlin,Berlin Institute of Health (BIH)
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- Vallon-Christersson, Johan (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- 2023
- 2023
- Engelska.
- Ingår i: Redox Biology. - 2213-2317. ; 63
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- BackgroundThe essential trace elements copper and zinc, and their ratio (copper/zinc), are important for maintaining redox homeostasis. Previous studies suggest that these elements may impact breast cancer survival. However, no epidemiological study has so far been conducted on the potential association between copper and copper/zinc levels and survival after breast cancer diagnosis. In this study, we aimed to examine the relationship between serum copper, zinc and copper/zinc levels and survival following breast cancer diagnosis.Patients and methodsThe Sweden Cancerome Analysis Network – Breast Initiative (SCAN-B) is a population-based cohort study including multiple participating hospitals in Sweden. A total of 1998 patients diagnosed with primary invasive breast cancer were followed for approximately nine years. Serum levels of copper and zinc and their ratio at the time of diagnosis was analyzed in relation to breast cancer survival using multivariate Cox regression, yielding hazard ratios (HR) with 95% confidence intervals.ResultsA higher copper/zinc ratio was associated with lower overall survival after breast cancer diagnosis. Comparing patients with a copper/zinc ratio in quartile 4 vs 1, the crude HR was 2.29 (1.65–3.19) (Ptrend ConclusionThere is evidence that the serum copper/zinc ratio provides an independent predictive value for overall survival following breast cancer diagnosis.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
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- Bengtsson, Ylva
- Demircan, Kamil
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- Malmberg, Martin
- Saal, Lao
- Ryden, Lisa
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- Borg, Åke
- Schomburg, Lutz
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- Manjer, Jonas
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- Lunds universitet
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