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| 2. |
- Allen, Naomi E., et al.
(författare)
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A prospective analysis of the association between macronutrient intake and renal cell carcinoma in the European Prospective Investigation into Cancer and Nutrition
- 2009
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 125:4, s. 982-987
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Tidskriftsartikel (refereegranskat)abstract
- Previous case-control studies have suggested that a high intake of animal foods and its associated nutrients are associated with an increased risk of renal cell carcinoma, although data from prospective studies are limited. We report here on the relationship between macronutrient intake and renal cell carcinoma incidence among 435,293 participants enrolled in the European Prospective Investigation into Cancer and Nutrition. Cox proportional hazard models were used to examine the association of dietary intake of fat, protein, carbohydrate, fiber and cholesterol and risk of renal cell carcinoma adjusted for age, sex, center, height, body mass index, physical activity, education, smoking, menopausal status, alcohol and energy intake. During an average 8.8 years of follow-up, 507 renal cell carcinoma cases occurred. Risk of renal cell carcinoma was not associated with macronutrient intake, including nutrients derived from animal sources. Our results indicate that macronutrient intake is not associated with risk of renal cell carcinoma in this cohort of European men and women. (C) 2009 UICC
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| 3. |
- Almquist, Martin, et al.
(författare)
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Serum levels of vitamin D, PTH, calcium and breast cancer risk - a prospective nested case-control study.
- 2010
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136. ; 127:9, s. 2159-2168
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Tidskriftsartikel (refereegranskat)abstract
- Previous studies indicate that calcium and its regulating hormones, i.e. parathyroid hormone (PTH) and vitamin D, might affect breast cancer risk. Evidence also suggests that this relationship could be influenced by menopausal status and BMI. We examined breast cancer risk related to pre-diagnostic serum levels of vitamin D (25OHD(2) and 25OHD(3)), PTH and calcium using a nested case-control design within the Malmö Diet and Cancer Study. There were 764 incident breast cancer cases, and 764 controls were selected by incidence density matching, using age as the underlying time scale, matching on calendar time at inclusion, menopausal status and age at inclusion. Using logistic regression analysis, odds ratios (OR) with 95% confidence intervals were calculated for breast cancer risk in different quartiles of the analysed factors. All analyses were adjusted for risk factors for breast cancer, and for levels of albumin, creatinine and phosphate. Analyses were repeated stratified for BMI and menopausal status, and for low vs. high levels of 25OHD(3), PTH and calcium. There was a weak, non-significant inverse association between breast cancer risk and 25OHD(3), and the OR for the 2(nd), 3(rd) and 4(th) quartiles, as compared to the first, were 0.84(0.60-1.15), 0.84(0.60-1.17), and 0.93(0.66-1.33). Serum calcium was positively associated with breast cancer in pre-menopausal women (OR for the 4(th) quartile = 3.10:1.33-7.22 and p for quartile trend=0.04), and in women with BMI>25 (OR for the 4(th) quartile=1.94:1.12-3.37 and p for trend<0.01). There was no association between baseline serum PTH and breast cancer risk. (c) 2010 UICC.
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| 4. |
- Borena, Wegene, et al.
(författare)
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Metabolic risk factors and primary liver cancer in a prospective study of 578,700 adults
- 2012
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Ingår i: International Journal of Cancer. - Malden, MA : Wiley. - 0020-7136 .- 1097-0215. ; 131:1, s. 193-200
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Tidskriftsartikel (refereegranskat)abstract
- Initial studies have indicated diabetes and obesity to be risk factors for hepatocellular carcinoma; but the association between other metabolic risk factors and primary liver cancer (PLC) has not been investigated. The metabolic syndrome and cancer project (Me-Can) includes cohorts from Norway, Austria and Sweden with data on 578,700 subjects. We used Cox proportional hazard models to calculate relative risks (RRs) of PLC by body mass index (BMI), blood pressure and plasma levels of glucose, cholesterol and triglycerides as continuous standardized variables (z-score with mean = 0 and standard deviation (SD) = 1) and their standardized sum of metabolic syndrome (MetS) z-score. RRs were corrected for random error in measurements. During an average follow-up of 12.0 years (SD = 7.8), 266 PLCs were diagnosed among cohort members. RR of liver cancer per unit increment of z-score adjusted for age, smoking status and BMI and stratified by birth year, sex and sub-cohorts, was for BMI 1.39 (95% confidence interval (CI) 1.241.58), mid blood pressure 2.08 (0.954.73), blood glucose 2.13 (1.552.94) cholesterol 0.62 (0.510.76) and serum triglycerides 0.85 (0.651.10). The RR per one unit increment of the MetS z-score was 1.35 (1.121.61). BMI, glucose and a composite MetS score were positively and cholesterol negatively associated with risk of liver cancer.
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| 5. |
- Borgquist, Signe, et al.
(författare)
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Anthropometric factors in relation to different tumor biological subgroups of postmenopausal breast cancer.
- 2009
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 124, s. 402-411
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Tidskriftsartikel (refereegranskat)abstract
- Overweight and obesity is associated with an increased risk of postmenopausal breast cancer. However, less is known about the impact of anthropometric factors on tumor pathology and biology. A Swedish population-based prospective cohort study of 9,685 postmenopausal women not using hormonal replacement therapy (HRT) were followed for an average of 10.3 years during which 305 incident breast cancer cases were diagnosed. Invasive and sufficient tumor material was available in 248 cases. Pathological reevaluation of histological type and grade was conducted. Using a tissue microarray (TMA), the tumor expression of Ki67, HER2, ERalpha, ERbeta, PgR, cyclin D1 and p27 was evaluated. Six anthropometric factors: height, weight, body mass index (BMI), waist- and hip circumference and body fat percentage were categorized by quartiles of baseline anthropometric measurements, and relative risks were calculated using multivariate Cox regression models. Invasive breast cancer incidence was increased for women in the higher quartiles of all anthropometric measurements. Height was positively associated with Grade I and ERalpha-positive tumors. Women in the highest quartiles of weight, BMI, waist- and hip circumference and body fat percentage were all associated with tumors of ductal type, Grade II, low Ki67 index, HER2 negativity and low expression of the oncogene cyclin D1. Obesity was further associated with tumors expressing ERalpha and PgR but interestingly not ERbeta. This study confirmed previously described associations between overweight/obesity and increased risk of postmenopausal breast cancer. Furthermore, obesity was associated with tumors expressing several markers corresponding with low malignancy. (c) 2008 Wiley-Liss, Inc.
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| 6. |
- Borgquist, Signe, et al.
(författare)
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Apo-lipoproteins, lipids and risk of cancer.
- 2016
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136. ; 138:11, s. 2648-2656
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Tidskriftsartikel (refereegranskat)abstract
- The epidemiological evidence for an obesity-cancer association is solid, whereas the association between obesity-associated lipoprotein levels and cancer is less evident. We investigated circulating levels of Apolipoprotein A1 (ApoA1), Apolipoprotein B (ApoB), LDL-cholesterol (LDL-C) and HDL-cholesterol (HDL-C) and association to risk of overall cancer and common cancer forms. The Malmö Diet and Cancer Study, a population-based prospective cohort study, enrolled 17,035 women and 11,063 men (1991-1996). Incident cancer cases were ascertained by record linkage with the Swedish Cancer Registry until end of follow-up, Jan 1(st) 2012. Baseline serum levels of ApoA1 and ApoB were analyzed for the entire cohort, and HDL-C and LDL-C levels in 5,281 participants. Hazard ratios, with 95% confidence interval, were calculated using Cox's proportional hazards analysis. In the entire cohort, none of the exposures were related to overall cancer risk (HRadj ApoA1=0.98, 95%CI: 0.95,1.01; HRadj ApoB=1.01, 95%CI: 0.98-1.04). Among men, ApoB was positively associated with cancer risk (HRadj ApoB=1.06, 95%CI: 1.01,1.10). Female breast cancer risk was inversely associated with ApoB (HRadj =0.92, 95%CI: 0.86,0.99). Among both genders, ApoA1 was inversely associated with lung cancer risk (HRadj =0.88, 95%CI: 0.80,0.97), whereas high ApoB increased lung cancer risk (HRadj =1.08, 95%CI: 0.99,1.18). Colorectal cancer risk was increased with high ApoB (HRadj =1.08, 95%CI: 1.01,1.16) among both genders. Apolipoprotein levels were not associated with prostate cancer incidence. Circulating levels of apolipoproteins are associated with overall cancer risk in men and across both genders with breast, lung, and colorectal cancer risk. Validation of these findings may facilitate future primary prevention strategies for cancer. This article is protected by copyright. All rights reserved.
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| 7. |
- Borgquist, Signe, et al.
(författare)
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Breast tumours following combined hormone replacement therapy express favourable prognostic factors.
- 2007
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136. ; 120:10, s. 2202-2207
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Tidskriftsartikel (refereegranskat)abstract
- t The aim of the present study was to evaluate the association between different types of hormone replacement therapy (HRT) and risk of specific breast cancer subgroups. A population-based prospective cohort study including 12,583 peri- or postmenopausal women were followed using record-linkage with national cancer registries. During an average follow-up of 4.5 years, 332 cases of invasive breast cancer were diagnosed. Tumour samples were available from 283 cases. These tumours were re-evaluated according to histological type, grade, and mitotic index. Evaluation of tumours included estrogen and progesterone receptor status (ER alpha, ER beta and PgR), as well as expression of Ki67, HER2, cyclin D1 and p27. The incidence of breast cancer in current users of combined HRT (CHRT) was significantly higher than in non-users. The difference corresponded to an adjusted relative risk (95% confidence interval) of 3.01 (2.35-3.84) as obtained using a Cox's proportional hazards analysis. CHRT was associated with lobular tumours (3.48:1.99-6.10), grade I tumours (4.46:2.79-7.13) and tumours with a low mitotic index (4.35:2.99-6.34). CHRT was not related to any specific subgroup in terms of ER alpha-, ER beta- or PgR-expression. CHRT was associated with low proliferating tumours, defined by the Ki67 index (3.58:2.60-4.93), HER2 amplified tumours (4.40:1.93-10.06), low expression of the oncogene cyclin D1 (3.14:2.32-4.23) and high expression of the tumour suppressor gene p27 (3.47:2.40-5.01). Use of estrogen-alone HRT (ERT) was not associated with any statistically significant risk of breast cancer. We conclude that the use of CHRT is associated with an increased incidence of breast tumours with comparatively favourable prognostic factors.
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| 8. |
- Borgquist, Signe, et al.
(författare)
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HMG-CoA reductase expression in breast cancer is associated with a less aggressive phenotype and influenced by anthropometric factors
- 2008
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 123:5, s. 1146-53
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Tidskriftsartikel (refereegranskat)abstract
- Although several studies have reported on the anti-tumoural properties exerted by 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMG-CoAR) inhibitors (statins), the in vivo expression of HMG-CoAR in human cancer has been considerably less investigated. In our study, we examined the immunohistochemical expression of HMG-CoAR in 511 incident breast cancers within the Malmö Diet and Cancer Study in order to explore its relationship to established clinicopathological and tumour biological parameters. Furthermore, the potential influence of estrogen exposure on HMG-CoAR expression was assessed by performing Cox's proportional hazards analyses of the relationship between the use of hormone replacement therapy (HRT), obesity (waist circumference) and tumour-cell specific HMG-CoAR expression. We found that HMG-CoAR was present in various fractions and intensities in the cytoplasm, sometimes with a membranous pattern, but not in the tumour cell nuclei. The expression of HMG-CoAR was associated with a smaller tumour size (p = 0.02), low histological grade (p = 0.001), low Ki67 index (p = 0.004), ERalpha+ (p = 0.02), ERbeta+ (p = 0.005), and high p27 expression (p = <0.001). The incidence of tumours with a high HMG-CoAR-expression was increased among HRT-users, although this was not statistically significant in a heterogeneity analysis. Obesity was significantly associated with a high HMG-CoAR expression assessed both as a high (>50%) fraction of positive cells (relative risk: 2.06; 95% confidence interval: 1.20-3.51), and a strong staining intensity (2.33: 1.08-5.02). In summary, we demonstrate that HMG-CoAR is differentially expressed in breast cancer and that a high expression is associated with prognostically favourable tumour parameters. Moreover, estrogen related life-style and anthropometric factors might indeed regulate HMG-CoAR expression.
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| 9. |
- Brandt, Jasmine, et al.
(författare)
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Thyroid-associated genetic polymorphisms in relation to breast cancer risk in the Malmö Diet and Cancer Study
- 2018
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136. ; 142:7, s. 1309-1321
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Tidskriftsartikel (refereegranskat)abstract
- Previous studies have suggested that thyroid function is associated with breast cancer risk, which could have an important clinical impact, as one in eight women will develop a thyroid disorder during her lifetime. However, the underlying pathomechanism behind the association is still unknown. We used the Malmö Diet and Cancer Study (a population-based prospective study consisting of 17,035 women) to examine 17 single nucleotide polymorphisms (SNPs) previously related to levels of free thyroxine (free T4) and thyroid peroxidase antibodies (TPO-Ab) as potential genetic risk factors for breast cancer. A baseline examination including free T4 and TPO-Ab levels was conducted at the time of inclusion. Genotyping was performed on 901 breast cancer patients and 3335 controls. Odds ratios (95% confidence intervals) for high free T4, TPO-Ab positivity, and breast cancer were calculated by logistic regression and adjusted for confounders. We identified one free T4-related SNP (rs2235544, D101 gene) that was significantly associated with both free T4 level and breast cancer risk. There was a suggested association between rs11675434 (TPO gene) and TPO-Ab level, and TPO-Ab-related rs11675434 (TPO), rs3094228 (HCP5), rs1033662 (no registered gene), and rs301806 (RERE) were associated with breast cancer risk. There was an indicated interaction between rs6485050 (no registered gene) and free T4 level in regards to breast cancer risk. This is the first study to suggest an association between thyroid-related SNPs and breast cancer risk. All SNPs have a biological plausibility of being associated with breast cancer risk, and may contribute to the genetic predisposition to breast cancer.
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| 10. |
- Büchner, Frederike L, et al.
(författare)
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Variety in vegetable and fruit consumption and risk of bladder cancer in the European prospective investigation into cancer and nutrition
- 2011
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Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 128:12, s. 2971-2979
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Tidskriftsartikel (refereegranskat)abstract
- Recent research does not show an association between fruit and vegetable consumption and bladder cancer risk. None of these studies investigated variety in fruit and vegetable consumption, which may capture different aspects of consumption. We investigated whether a varied consumption of vegetables and fruits is associated with bladder cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. Detailed data on food consumption and complete follow-up for cancer incidence were available for 452,185 participants, who were recruited from ten European countries. After a mean follow-up of 8.7 years, 874 participants were diagnosed with bladder cancer. Diet diversity scores (DDSs) were used to quantify the variety in fruit and vegetable consumption. Multivariable Cox proportional hazard models were used to assess the effect of the DDSs on bladder cancer risk. There was no evidence of a statistically significant association between bladder cancer risk and any of the DDSs when these scores were considered as continuous covariates. However, the hazard ratio (HR) for the highest tertile of the DDS for combined fruit and vegetable consumption was marginally significant compared to the lowest (HR = 1.30, 95% confidence interval: 1.00-1.69, p-trend = 0.05). In EPIC, there is no clear association between a varied fruit and vegetable consumption and bladder cancer risk. This finding provides further evidence for the absence of any strong association between fruit and vegetable consumption as measured by a food frequency questionnaire and bladder cancer risk.
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