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Kupsik M, Sulo S, Katz A, Memmel H. What do women really think? Patient understanding of breast cancer risk. Breast J 2019; 25:1320-1322. [DOI: 10.1111/tbj.13472] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 12/15/2018] [Accepted: 12/18/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Michalina Kupsik
- Metropolitan Group Hospitals, University of Illinois Chicago Illinois
| | - Suela Sulo
- Russell Institute for Research and Innovation Park Ridge Illinois
| | - Anna Katz
- Division of Breast Surgical Oncology Advocate Lutheran General Hospital Park Ridge Illinois
| | - Heidi Memmel
- Division of Breast Surgical Oncology Advocate Lutheran General Hospital Park Ridge Illinois
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Nutrition and Breast Cancer: A Literature Review on Prevention, Treatment and Recurrence. Nutrients 2019; 11:nu11071514. [PMID: 31277273 PMCID: PMC6682953 DOI: 10.3390/nu11071514] [Citation(s) in RCA: 185] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/28/2019] [Accepted: 07/01/2019] [Indexed: 12/13/2022] Open
Abstract
Breast cancer (BC) is the second most common cancer worldwide and the most commonly occurring malignancy in women. There is growing evidence that lifestyle factors, including diet, body weight and physical activity, may be associated with higher BC risk. However, the effect of dietary factors on BC recurrence and mortality is not clearly understood. Here, we provide an overview of the current evidence obtained from the PubMed databases in the last decade, assessing dietary patterns, as well as the consumption of specific food-stuffs/food-nutrients, in relation to BC incidence, recurrence and survival. Data from the published literature suggest that a healthy dietary pattern characterized by high intake of unrefined cereals, vegetables, fruit, nuts and olive oil, and a moderate/low consumption of saturated fatty acids and red meat, might improve overall survival after diagnosis of BC. BC patients undergoing chemotherapy and/or radiotherapy experience a variety of symptoms that worsen patient quality of life. Studies investigating nutritional interventions during BC treatment have shown that nutritional counselling and supplementation with some dietary constituents, such as EPA and/or DHA, might be useful in limiting drug-induced side effects, as well as in enhancing therapeutic efficacy. Therefore, nutritional intervention in BC patients may be considered an integral part of the multimodal therapeutic approach. However, further research utilizing dietary interventions in large clinical trials is required to definitively establish effective interventions in these patients, to improve long-term survival and quality of life.
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KARAMAN FATMABETÜL, SEKMEN HATİCE, ALVUR TUNCAYMÜGE. BREAST CANCER AWARENESS AND BREAST SELF-EXAMINATION AMONG UNDERGRADUATE MEDICAL SCHOOL FEMALE STUDENTS: KOCAELİ UNIVERSITY-TURKEY. KONURALP TIP DERGISI 2019. [DOI: 10.18521/ktd.427292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Chen S, Yi Y, Xia T, Hong Z, Zhang Y, Shi G, He Z, Zhong S. The influences of red wine in phenotypes of human cancer cells. Gene 2019; 702:194-204. [PMID: 30366081 PMCID: PMC6478559 DOI: 10.1016/j.gene.2018.10.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/16/2018] [Accepted: 10/19/2018] [Indexed: 02/05/2023]
Abstract
Alcohol intake increases the risk of cancer development. Approximately 3.6% human cancers worldwide derive from chronic alcohol drinking, including oral, liver, breast and other organs. Our studies in vivo and in vitro have demonstrated that diluted ethanol increase RNA Pol III gene transcription and promotes cell proliferation and transformation, as well as tumor formation. However, it is unclear about the effect of red wines on the human cancer cells. In present study, we investigated the roles of red wine in human cancer cell growth, colony formation and RNA Pol III gene transcription. Low concentration (12.5 mM to 25 mM) of ethanol enhances cell proliferation of breast and esophageal cancer lines, whereas its higher concentration (100 mM to 200 mM) slightly decreases the rates. In contrast, red wines significantly repress cell proliferation of different human cancer lines from low dose to high dose. The results reveal that the red wine also inhibits colony formation of human breast cancer and esophageal carcinoma cells. The effects of repression on different human cancer lines are in a dose-dependent manner. Further analysis indicates that ethanol increases RNA Pol III gene transcription, whereas the red wines significantly reduce transcription of the genes. Interestingly, the effects of mature wine (brick red) on cancer cell phenotypes are much stronger than young wine (intense violet). Together, these new findings suggest that red wines may contain some bioactive components, which are able to inhibit human cancer cell growth and colony formation.
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Affiliation(s)
- Songlin Chen
- Department of Cardiothoracic Surgery, Xiamen University Affiliated Southeast Hospital, China
| | - Yunfeng Yi
- Department of Cardiothoracic Surgery, Xiamen University Affiliated Southeast Hospital, China
| | - Ting Xia
- Department of Cardiothoracic Surgery, Xiamen University Affiliated Southeast Hospital, China
| | - Zaifa Hong
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, China; Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Yanmei Zhang
- Department of Pharmacology, Shantou University Medical College, China; Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Ganggang Shi
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, China
| | - Zhimin He
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, China
| | - Shuping Zhong
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
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55
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Alimujiang A, Colditz GA. What can we learn from the association between adolescent alcohol consumption and breast cancer risk? Expert Rev Anticancer Ther 2019; 19:287-289. [PMID: 30822176 DOI: 10.1080/14737140.2019.1586538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Aliya Alimujiang
- a Division of Public Health Sciences and the Alvin J. Siteman Cancer Center, Department of Surgery , Washington University School of Medicine , St Louis , MO , USA.,b Department of Epidemiology , School of Public Health, University of Michigan , Ann Arbor , MI , USA
| | - Graham A Colditz
- a Division of Public Health Sciences and the Alvin J. Siteman Cancer Center, Department of Surgery , Washington University School of Medicine , St Louis , MO , USA
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Khalis M, Chajès V, Moskal A, Biessy C, Huybrechts I, Rinaldi S, Dossus L, Charaka H, Mellas N, Nejjari C, Dorn J, Soliman AS, Romieu I, El Rhazi K, Charbotel B. Healthy lifestyle and breast cancer risk: A case-control study in Morocco. Cancer Epidemiol 2019; 58:160-166. [PMID: 30597481 DOI: 10.1016/j.canep.2018.12.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 11/29/2018] [Accepted: 12/21/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND Some modifiable risk factors have been independently associated with breast cancer (BC) risk in Moroccan women, but no studies have investigated their joint association. This study aimed to investigate the association between a Healthy Lifestyle Index (HLI) score and BC risk among Moroccan women. METHODS In this case-control study, 300 incident BC cases and 300 controls, matched by age and area of residence were recruited. Cases were women newly-diagnosed with histopathologically-confirmed BC at the University Hospital in Fez, Morocco. Controls were randomly selected healthy women recruited from 6 primary health centers in Fez. HLI scores developed within this study were assigned to participants based on 11 factors (red and processed meat, white meat, cream, cheese, fish, fruit and vegetables, physical activity, BMI, smoking, alcohol consumption, and breastfeeding), where 0 was given to unhealthy and 0.5 or 1 to healthy levels of each factor. Conditional and unconditional logistic regression models were used to assess the association between HLI scores and BC risk. RESULTS Mean of HLI scores were 8.1 (±1.1) and 9.0 (±0.9) in cases and controls, respectively, p < 0.01. After adjusting for potential confounders, one-point increment in the HLI score was associated with 56% (95% CI, CI: 39-68%), 49% (95% CI: 30-63%), and 59% (95% CI: 40-72%) lower risks of BC in all, premenopausal, and postmenopausal women, respectively. CONCLUSION High HLI scores were associated with decreased risk of BC in Moroccan women. These findings suggest that BC prevention policies should include strategies for engaging Moroccan women in healthy lifestyles.
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Affiliation(s)
- Mohamed Khalis
- Department of Epidemiology, Faculty of Medicine and Pharmacy, Fez, Morocco; University of Lyon, UCBL, Ifsttar, UMRESTTE, Lyon, France; Department of Community Health and Social Medicine, City University of New York, School of Medicine, NY, USA.
| | - Véronique Chajès
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Aurelie Moskal
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Carine Biessy
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Inge Huybrechts
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Sabina Rinaldi
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Laure Dossus
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Hafida Charaka
- Department of Research and Development, Hassan II University Hospital of Fez, Morocco
| | - Nawfel Mellas
- Department of Oncology, Hassan II University Hospital of Fez, Morocco
| | - Chakib Nejjari
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Joan Dorn
- Department of Community Health and Social Medicine, City University of New York, School of Medicine, NY, USA
| | - Amr S Soliman
- Department of Community Health and Social Medicine, City University of New York, School of Medicine, NY, USA
| | - Isabelle Romieu
- Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France
| | - Karima El Rhazi
- Department of Epidemiology, Faculty of Medicine and Pharmacy, Fez, Morocco
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Okamoto T, Ito A. Association between alcohol consumption and mammographic density: a hospital-based cross-sectional study. Breast Cancer 2019; 26:478-484. [PMID: 30680689 DOI: 10.1007/s12282-019-00946-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 01/10/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Mammographic density (MD), the proportion of radiological dense breast, has been reported to be a strong risk factor for breast cancer in many studies. Epidemiological evidence indicates that alcohol consumption increases the risk of breast cancer. In Western countries, a positive association between alcohol consumption and MD has been reported. METHODS To investigate the effect of alcohol consumption on MD, we conducted a cross-sectional analysis of healthy women enrolled in a breast cancer screening program at the Ebina Health Service Center, Japan, in 2012, comprising 477 premenopausal women and 308 postmenopausal women. Alcohol consumption was assessed using a self-report questionnaire. Unconditional logistic regression was applied to calculate the odds ratio (OR) and 95% confidence intervals (CI) while adjusting for confounders. RESULTS The study included 497 women with high breast density (HD group) and 288 women with low breast density (LD group). In all women, multivariate analysis revealed that the OR for HD was significantly increased among women with the highest alcohol intake (≥ 140 g/week of ethanol) compared with abstainers (OR 2.1, 95% CI 1.2-3.9 p = 0.01). The linear trend with increasing alcohol consumption was statistically significant (p = 0.009). CONCLUSION MD was positively associated with alcohol consumption in Japanese women.
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Affiliation(s)
- Takahide Okamoto
- Ebina Health Service Center, Kawaraguchi 1519, Ebina, Kanagawa, 243-0433, Japan.
| | - Akemi Ito
- Ebina Health Service Center, Kawaraguchi 1519, Ebina, Kanagawa, 243-0433, Japan
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58
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Huang C, Zhang Y, Zhong S. Alcohol Intake and Abnormal Expression of Brf1 in Breast Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4818106. [PMID: 31781337 PMCID: PMC6874981 DOI: 10.1155/2019/4818106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Accepted: 09/28/2019] [Indexed: 02/07/2023]
Abstract
Breast cancer is the most common malignant disease of females. Overall, one woman in every nine will get breast cancer at some time in her life. Epidemiological studies have indicated that alcohol consumption has most consistently been associated with breast cancer risk. However, the mechanism of alcohol-associated breast cancer remains to be addressed. Little is known about the effects of alcohol consumption on Brf1 (TFIIIB-related factor 1) expression and RNA Pol III gene (RNA polymerase III-dependent gene) transcription, which are responsible for protein synthesis and tightly linked to cell proliferation, cell transformation, and tumor development. Emerging evidences have indicated that alcohol induces deregulation of Brf1 and Pol III genes to cause the alterations of cell phenotypes and tumor formation. In this paper, we summarize the progresses regarding alcohol-caused increase in the expression of Brf1 and Pol III genes and analysis of its molecular mechanism of breast cancer. As the earlier and accurate diagnosis approach of breast cancer is not available yet, exploring the molecular mechanism and identifying the biomarker of alcohol-associated breast cancer are especially important. Recent studies have demonstrated that Brf1 is overexpressed in most ER+ (estrogen receptor positive) cases of breast cancer and the change in cellular levels of Brf1 reflects the therapeutic efficacy and prognosis of this disease. It suggests that Brf1 may be a potential diagnosis biomarker and a therapeutic target of alcohol-associated breast cancer.
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Affiliation(s)
- Chenghao Huang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University, China
| | - Yanmei Zhang
- Department of Pharmacology of Shantou University Medical College, China
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Shuping Zhong
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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59
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Hahn M, Simons CCJM, Weijenberg MP, van den Brandt PA. Alcohol drinking, ADH1B and ADH1C genotypes and the risk of postmenopausal breast cancer by hormone receptor status: the Netherlands Cohort Study on diet and cancer. Carcinogenesis 2018; 39:1342-1351. [PMID: 30052783 DOI: 10.1093/carcin/bgy101] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 07/19/2018] [Indexed: 11/13/2022] Open
Abstract
Alcohol consumption has consistently been shown to increase breast cancer (BC) risk. This association may be modified by single nucleotide polymorphisms (SNPs) in alcohol dehydrogenase (ADH) isoenzymes ADH1B and ADH1C. The Netherlands Cohort Study comprises 62 573 women, aged 55-69 years at baseline (1986). Follow-up for postmenopausal BC for 20.3 years was available. Genotyping of six tag SNPs in ADH1B and ADH1C was performed on DNA from toenails. A case-cohort approach was used for analysis (complete data available for nsubcohort = 1301; ncases = 1630). Cox regression models for postmenopausal BC were applied to determine marginal effects of alcohol intake and SNPs using a dominant genetic model, as well as multiplicative interaction of the two. Results were also obtained for subtypes by estrogen receptor (ER) and progesterone receptor (PR) status. Multiple testing was adjusted for by applying the false discovery rate (FDR). Alcohol intake (categorical) increased the risk of postmenopausal BC (Ptrend = 0.031). Trends for ER and PR subgroups followed a similar pattern. Continuous modeling of alcohol resulted in a hazard rate ratio (HR) for overall postmenopausal BC of 1.09 (95% confidence interval: 1.01-1.19) per 10 g/day of alcohol. SNPs were not associated with BC risk. No effect modification of the alcohol-BC association by SNP genotype was seen after FDR correction in overall BC and ER/PR subgroups. In conclusion, alcohol consumption was shown to increase the risk of postmenopausal BC. This association was not significantly modified by common SNPs in ADH1B and ADH1C, neither in overall BC nor in hormone receptor-defined subtypes.
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Affiliation(s)
- Markus Hahn
- Department of Epidemiology, School for Oncology and Developmental Biology (GROW), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Anesthesiology, University Hospital Bern, Switzerland
| | - Colinda C J M Simons
- Department of Epidemiology, School for Oncology and Developmental Biology (GROW), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Matty P Weijenberg
- Department of Epidemiology, School for Oncology and Developmental Biology (GROW), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Piet A van den Brandt
- Department of Epidemiology, School for Oncology and Developmental Biology (GROW), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Epidemiology, School for Public Health and Primary Care (CAPHRI), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
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Maniyar R, Chakraborty S, Suriano R. Ethanol Enhances Estrogen Mediated Angiogenesis in Breast Cancer. J Cancer 2018; 9:3874-3885. [PMID: 30410590 PMCID: PMC6218769 DOI: 10.7150/jca.25581] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 08/20/2018] [Indexed: 01/15/2023] Open
Abstract
Angiogenesis, a highly regulated process, is exploited by tumors like breast cancer to ensure a constant supply of oxygen and nutrients and is key for tumor survival and progression. Estrogen and alcohol independently have been observed to contribute to angiogenesis in breast cancer but their combinatorial effects have never been evaluated. The exact mechanism by which estrogen and alcohol contribute to breast cancer angiogenesis remains to be elucidated. In this study, we defined the in vitro effects of the combination of estrogen and alcohol in breast cancer angiogenesis using the tubulogenesis and scratch wound assays. Conditioned media, generated by culturing the murine mammary cancer cell line, TG1-1, in estrogen and ethanol, enhanced tubule formation and migration as well as modulated the MAP Kinase pathway in the murine endothelial cell line, SVEC4-10. Additionally, estrogen and ethanol in combination enhanced the expression of the pro-angiogenic factors VEGF, MMP-9, and eNOS, and modulated Akt activation. These observations suggest that TG1-1 cells secrete pro-angiogenic molecules in response to the combination of estrogen and ethanol that modulate the morphological and migratory properties of endothelial cells. The data presented in this study, is the first in attempting to link the cooperative activity between estrogen and ethanol in breast cancer progression, underscoring correlations first made by epidemiological observations linking the two.
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Affiliation(s)
- Rachana Maniyar
- Department of Microbiology and Immunology, New York Medical College, Valhalla, New York, United States of America
| | - Sanjukta Chakraborty
- Department of Microbiology and Immunology, New York Medical College, Valhalla, New York, United States of America
| | - Robert Suriano
- Department of Microbiology and Immunology, New York Medical College, Valhalla, New York, United States of America
- Division of Natural Sciences, College of Mount Saint Vincent, Bronx. New York, United States of America
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61
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Early-life alcohol intake and high-grade prostate cancer. Nat Rev Urol 2018; 15:730-731. [PMID: 30250306 DOI: 10.1038/s41585-018-0094-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Zakhari S, Hoek JB. Epidemiology of Moderate Alcohol Consumption and Breast Cancer: Association or Causation? Cancers (Basel) 2018; 10:E349. [PMID: 30249004 PMCID: PMC6210419 DOI: 10.3390/cancers10100349] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 09/20/2018] [Accepted: 09/20/2018] [Indexed: 02/07/2023] Open
Abstract
Epidemiological studies have been used to show associations between modifiable lifestyle habits and the incidence of breast cancer. Among such factors, a history of alcohol use has been reported in multiple studies and meta-analyses over the past decades. However, associative epidemiological studies that were interpreted as evidence that even moderate alcohol consumption increases breast cancer incidence have been controversial. In this review, we consider the literature on the relationship between moderate or heavy alcohol use, both in possible biological mechanisms and in variations in susceptibility due to genetic or epigenetic factors. We argue that there is a need to incorporate additional approaches to move beyond the associations that are reported in traditional epidemiological analyses and incorporate information on molecular pathologic signatures as a requirement to posit causal inferences. In particular, we point to the efforts of the transdisciplinary field of molecular pathological epidemiology (MPE) to evaluate possible causal relationships, if any, of alcohol consumption and breast cancer. A wider application of the principles of MPE to this field would constitute a giant step that could enhance our understanding of breast cancer and multiple modifiable risk factors, a step that would be particularly suited to the era of "personalized medicine".
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Affiliation(s)
- Samir Zakhari
- Science Office, Distilled Spirits Council, Washington, DC 20005, USA.
| | - Jan B Hoek
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA.
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63
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Jeong SH, An YS, Choi JY, Park B, Kang D, Lee MH, Han W, Noh DY, Yoo KY, Park SK. Risk Reduction of Breast Cancer by Childbirth, Breastfeeding, and Their Interaction in Korean Women: Heterogeneous Effects Across Menopausal Status, Hormone Receptor Status, and Pathological Subtypes. J Prev Med Public Health 2018; 50:401-410. [PMID: 29207445 PMCID: PMC5717332 DOI: 10.3961/jpmph.17.152] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 11/10/2017] [Indexed: 12/11/2022] Open
Abstract
Objectives The purpose of this study was to examine the associations of childbirth, breastfeeding, and their interaction with breast cancer (BC) risk reduction, and to evaluate the heterogeneity in the BC risk reduction effects of these factors by menopause, hormone receptor (HR) status, and pathological subtype. Methods BC patients aged 40+ from the Korean Breast Cancer Registry in 2004-2012 and controls from the Health Examinee cohort participants were included in this study after 1:1 matching (12 889 pairs) by age and enrollment year. BC risk according to childbirth, breastfeeding, and their interaction was calculated in logistic regression models using odds ratios (ORs) and 95% confidence intervals (CIs). Results BC risk decreased with childbirth (3+ childbirths relative to 1 childbirth: OR, 0.66; 95% CI, 0.56 to 0.78 and OR, 0.80; 95% CI, 0.68 to 0.95 in postmenopausal and premenopausal women, respectively); and the degree of risk reduction by the number of children was heterogeneous according to menopausal status (p-heterogeneity=0.04), HR status (p-heterogeneity<0.001), and pathological subtype (p-heterogeneity<0.001); whereas breastfeeding for 1-12 months showed a heterogeneous association with BC risk according to menopausal status, with risk reduction only in premenopausal women (p-heterogeneity<0.05). The combination of 2 more childbirths and breastfeeding for ≥13 months had a much stronger BC risk reduction of 49% (OR, 0.51; 95% CI, 0.45 to 0.58). Conclusions This study suggests that the combination of longer breastfeeding and more childbirths reduces BC risk more strongly, and that women who experience both 2 or more childbirths and breastfeed for ≥13 months can reduce their BC risk by about 50%.
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Affiliation(s)
- Seok Hun Jeong
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Yoon Suk An
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Ji-Yeob Choi
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Boyoung Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Daehee Kang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Min Hyuk Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Wonshik Han
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Dong Young Noh
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Keun-Young Yoo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
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Golemis EA, Scheet P, Beck TN, Scolnick EM, Hunter DJ, Hawk E, Hopkins N. Molecular mechanisms of the preventable causes of cancer in the United States. Genes Dev 2018; 32:868-902. [PMID: 29945886 PMCID: PMC6075032 DOI: 10.1101/gad.314849.118] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Annually, there are 1.6 million new cases of cancer and nearly 600,000 cancer deaths in the United States alone. The public health burden associated with these numbers has motivated enormous research efforts into understanding the root causes of cancer. These efforts have led to the recognition that between 40% and 45% of cancers are associated with preventable risk factors and, importantly, have identified specific molecular mechanisms by which these exposures modify human physiology to induce or promote cancer. The increasingly refined knowledge of these mechanisms, which we summarize here, emphasizes the need for greater efforts toward primary cancer prevention through mitigation of modifiable risk factors. It also suggests exploitable avenues for improved secondary prevention (which includes the development of therapeutics designed for cancer interception and enhanced techniques for noninvasive screening and early detection) based on detailed knowledge of early neoplastic pathobiology. Such efforts would complement the current emphasis on the development of therapeutic approaches to treat established cancers and are likely to result in far greater gains in reducing morbidity and mortality.
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Affiliation(s)
- Erica A Golemis
- Program in Molecular Therapeutics, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
| | - Paul Scheet
- Department of Epidemiology, University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, USA
| | - Tim N Beck
- Program in Molecular Therapeutics, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
- Molecular and Cell Biology and Genetics Program, Drexel University College of Medicine, Philadelphia, Pennsylvania 19129, USA
| | - Eward M Scolnick
- Eli and Edythe L. Broad Institute of the Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA
| | - David J Hunter
- Nuffield Department of Population Health, University of Oxford, Medical Sciences Division, Oxford OX3 7LF, United Kingdom
| | - Ernest Hawk
- Division of Cancer Prevention and Population Sciences, University of Texas M.D. Anderson Cancer Center, Houston Texas 77030, USA
| | - Nancy Hopkins
- Koch Institute for Integrative Cancer Research, Biology Department, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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65
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Miller ER, Wilson C, Chapman J, Flight I, Nguyen AM, Fletcher C, Ramsey I. Connecting the dots between breast cancer, obesity and alcohol consumption in middle-aged women: ecological and case control studies. BMC Public Health 2018; 18:460. [PMID: 29625601 PMCID: PMC5889566 DOI: 10.1186/s12889-018-5357-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 03/22/2018] [Indexed: 01/30/2023] Open
Abstract
Background Breast cancer (BC) incidence in Australian women aged 45 to 64 years (‘middle-aged’) has tripled in the past 50 years, along with increasing alcohol consumption and obesity in middle-age women. Alcohol and obesity have been individually associated with BC but little is known about how these factors might interact. Chronic psychological stress has been associated with, but not causally linked to, BC. Here, alcohol could represent the ‘missing link’ – reflecting self-medication. Using an exploratory cross-sectional design, we investigated inter-correlations of alcohol intake and overweight/obesity and their association with BC incidence in middle-aged women. We also explored the role of stress and various lifestyle factors in these relationships. Methods We analysed population data on BC incidence, alcohol consumption, overweight/obesity, and psychological stress. A case control study was conducted using an online survey. Cases (n = 80) were diagnosed with BC and controls (n = 235) were women in the same age range with no BC history. Participants reported lifestyle data (including alcohol consumption, weight history) over consecutive 10-year life periods. Data were analysed using a range of bivariate and multivariate techniques including correlation matrices, multivariate binomial regressions and multilevel logistic regression. Results Ecological inter-correlations were found between BC and alcohol consumption and between BC and obesity but not between other variables in the matrix. Strong pairwise correlations were found between stress and alcohol and between stress and obesity. BMI tended to be higher in cases relative to controls across reported life history. Alcohol consumption was not associated with case-control status. Few correlations were found between lifestyle factors and stress, although smoking and alcohol consumption were correlated in some periods. Obesity occurring during the ages of 31 to 40 years emerged as an independent predictor of BC (OR 3.5 95% CI: 1.3–9.4). Conclusions This study provides ecological evidence correlating obesity and alcohol consumption with BC incidence. Case-control findings suggest lifetime BMI may be important with particular risk associated with obesity prior to 40 years of age. Stress was ecologically linked to alcohol and obesity but not to BC incidence and was differentially correlated with alcohol and smoking among cases and controls. Our findings support prevention efforts targeting weight in women below 40 years of age and, potentially, lifelong alcohol consumption to reduce BC risk in middle-aged women.
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Affiliation(s)
- E R Miller
- College of Medicine and Public Health, Flinders University, Adelaide, Australia.
| | - C Wilson
- Flinders Centre for Innovation in Cancer, Flinders University , Adelaide, Australia.,Cancer Council of South Australia, Adelaide, Australia
| | - J Chapman
- Flinders Centre for Innovation in Cancer, Flinders University , Adelaide, Australia
| | - I Flight
- Flinders Centre for Innovation in Cancer, Flinders University , Adelaide, Australia
| | - A-M Nguyen
- College of Medicine and Public Health, Flinders University, Adelaide, Australia
| | - C Fletcher
- Flinders Centre for Innovation in Cancer, Flinders University , Adelaide, Australia
| | - Ij Ramsey
- Flinders Centre for Innovation in Cancer, Flinders University , Adelaide, Australia
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66
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Scheideler JK, Klein WM. Awareness of the Link between Alcohol Consumption and Cancer across the World: A Review. Cancer Epidemiol Biomarkers Prev 2018; 27:429-437. [DOI: 10.1158/1055-9965.epi-17-0645] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 10/13/2017] [Accepted: 01/09/2018] [Indexed: 11/16/2022] Open
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Vieira R, Tobar JSS, Dardes R, Claudio L, Thuler S. Alcohol Consumption as a Risk Factor for Breast Cancer Development: A Case-Control Study in Brazil. Asian Pac J Cancer Prev 2018; 19:703-707. [PMID: 29580044 PMCID: PMC5980845 DOI: 10.22034/apjcp.2018.19.3.703] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Background: Alcohol consumption is a well-established risk factor for breast cancer, but the evidence is mostly from developed countries. Brazil is going through a rapid demographic expansion, and studies of this relationship are also needed in such unexplored settings. Methods: We assessed the relationship between alcohol consumption and breast cancer risk among 1,506 Brazilian women (406 cases and 1,100 controls). Regression models were used to calculate odds ratios (OR) and 95% confidence intervals (CI). All statistical tests were two-tailed. Results: The mean age of the 1,506 women was 42.0 (standard deviation, ±15.0) years. There was a significant association between breast cancer and age, body mass index, age at menarche, menstrual flow and menstrual cycle. Multivariate analysis showed an increased risk of invasive breast cancer in regular alcohol consumers (<50 years old: OR 4.7; 95% CI 1.4–16.2; ≥50 years old: OR 3.9; 95% CI 1.2–13.4) compared with abstainers or occasional drinkers. Women with a regular alcohol intake for 10 years or more who were less than 50 years old had a threefold higher risk of developing breast cancer (OR 3.0; 95% CI 1.2–7.6). Conclusion: Regular alcohol consumption increases the risk of breast cancer mainly among women less than 50 years old.
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Affiliation(s)
- Roberto Vieira
- The Brazilian Society of Mastoloy from Rio de Janeiro – Rio de Janeiro (RJ), Brazil.,Post Graduate Program of Mastology, Pontifícia Universidade Católica do Rio de Janeiro (PUC-RJ), Rio de Janeiro (RJ), Brazil.
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68
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Turati F, Carioli G, Bravi F, Ferraroni M, Serraino D, Montella M, Giacosa A, Toffolutti F, Negri E, Levi F, La Vecchia C. Mediterranean Diet and Breast Cancer Risk. Nutrients 2018. [PMID: 29518016 PMCID: PMC5872744 DOI: 10.3390/nu10030326] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The Mediterranean diet has been related to a reduced risk of several common cancers but its role on breast cancer has not been quantified yet. We investigated the association between adherence to the Mediterranean diet and breast cancer risk by means of a hospital-based case-control study conducted in Italy and Switzerland. 3034 breast cancer cases and 3392 controls admitted to the same network of hospitals for acute, non-neoplastic and non-gynaecologic diseases were studied. Adherence to the Mediterranean diet was quantitatively measured through a Mediterranean Diet Score (MDS), summarizing the major characteristics of the Mediterranean dietary pattern and ranging from 0 (lowest adherence) to 9 (highest adherence). We estimated the odds ratios (ORs) of breast cancer for the MDS using multiple logistic regression models, adjusting for several covariates. Compared to a MDS of 0–3, the ORs for breast cancer were 0.86 (95% confidence interval, CI, 0.76–0.98) for a MDS of 4–5 and 0.82 (95% CI, 0.71–0.95) for a MDS of 6–9 (p for trend = 0.008). The exclusion of the ethanol component from the MDS did not materially modify the ORs (e.g., OR = 0.81, 95% CI, 0.70–0.95, for MDS ≥ 6). Results were similar in pre- and post-menopausal women. Adherence to the Mediterranean diet was associated with a reduced breast cancer risk.
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Affiliation(s)
- Federica Turati
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20133 Milan, Italy.
| | - Greta Carioli
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20133 Milan, Italy.
| | - Francesca Bravi
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20133 Milan, Italy.
| | - Monica Ferraroni
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20133 Milan, Italy.
| | - Diego Serraino
- Unit of Cancer Epidemiology, CRO Aviano National Cancer Institute, IRCCS, 33080 Aviano, Italy.
| | - Maurizio Montella
- Epidemiology and Biostatistical Unit, Istituto Tumori "Fondazione Pascale IRCCS", 80131 Naples, Italy.
| | - Attilio Giacosa
- Department of Gastroenterology and Clinical Nutrition, Policlinico di Monza, 20900 Monza, Italy.
| | - Federica Toffolutti
- Unit of Cancer Epidemiology, CRO Aviano National Cancer Institute, IRCCS, 33080 Aviano, Italy.
| | - Eva Negri
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy.
| | - Fabio Levi
- Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, 1010 Lausanne, Switzerland.
| | - Carlo La Vecchia
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20133 Milan, Italy.
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69
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Low concentrations of ethanol during irradiation drastically reduce DNA damage caused by very high doses of ionizing radiation. J Biosci 2018. [DOI: 10.1007/s12038-018-9739-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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70
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Polivka J, Altun I, Golubnitschaja O. Pregnancy-associated breast cancer: the risky status quo and new concepts of predictive medicine. EPMA J 2018. [PMID: 29515683 DOI: 10.1007/s13167-018-0129-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The paper is motivated by severe concerns regarding currently applied care of the pregnancy-associated breast cancer (PABC) characterised by particularly poor outcomes of the disease. Psychological and ethical aspects play a crucial role in PABC: the highest priority not to damage the foetus significantly complicates any treatment generally, and it is quite usual that patients disclaim undergoing any breast cancer treatment during pregnancy. Although, due to global demographic trends, PABC is far from appearing rarely now, severe societal and economic consequences of the disease are still neglected by currently applied reactive medical approach. These actualities require creating new strategies which should be better adapted to the needs of the society at large by advancing the PABC care based on predictive diagnostic approaches specifically in premenopausal women, innovative screening programmes focused on young female populations, targeted prevention in high-risk groups, and optimised treatment concepts. The article summarises the facts and provides recommendations to advance the field-related research and medical services specifically dedicated to the PABC care.
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Affiliation(s)
- Jiri Polivka
- 1Department of Histology and Embryology, Faculty of Medicine in Plzen, Charles University, Plzen, Czech Republic
- 2Biomedical Centre, Faculty of Medicine in Plzen, Charles University, Plzen, Czech Republic
| | - Irem Altun
- 3CEMBIO, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Olga Golubnitschaja
- 4Radiological Clinic, Rheinische Friedrich-Wilhelms-Universität Bonn, Sigmund-Freud-Str 25, 53105 Bonn, Germany
- 5Breast Cancer Research Centre, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
- 6Centre for Integrated Oncology, Cologne-Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
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71
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Yi Y, Lei J, Shi G, Chen S, Zhang Y, Hong Z, He Z, Zhong S. The Effects of Liquor Spirits on RNA Pol III Genes and Cell Growth of Human Cancer Lines. ACTA ACUST UNITED AC 2018. [DOI: 10.4236/fns.2018.93016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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72
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Rodgers KM, Udesky JO, Rudel RA, Brody JG. Environmental chemicals and breast cancer: An updated review of epidemiological literature informed by biological mechanisms. ENVIRONMENTAL RESEARCH 2018; 160:152-182. [PMID: 28987728 DOI: 10.1016/j.envres.2017.08.045] [Citation(s) in RCA: 234] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/28/2017] [Accepted: 08/29/2017] [Indexed: 05/20/2023]
Abstract
BACKGROUND Many common environmental chemicals are mammary gland carcinogens in animal studies, activate relevant hormonal pathways, or enhance mammary gland susceptibility to carcinogenesis. Breast cancer's long latency and multifactorial etiology make evaluation of these chemicals in humans challenging. OBJECTIVE For chemicals previously identified as mammary gland toxicants, we evaluated epidemiologic studies published since our 2007 review. We assessed whether study designs captured relevant exposures and disease features suggested by toxicological and biological evidence of genotoxicity, endocrine disruption, tumor promotion, or disruption of mammary gland development. METHODS We systematically searched the PubMed database for articles with breast cancer outcomes published in 2006-2016 using terms for 134 environmental chemicals, sources, or biomarkers of exposure. We critically reviewed the articles. RESULTS We identified 158 articles. Consistent with experimental evidence, a few key studies suggested higher risk for exposures during breast development to dichlorodiphenyltrichloroethane (DDT), dioxins, perfluorooctane-sulfonamide (PFOSA), and air pollution (risk estimates ranged from 2.14 to 5.0), and for occupational exposure to solvents and other mammary carcinogens, such as gasoline components (risk estimates ranged from 1.42 to 3.31). Notably, one 50-year cohort study captured exposure to DDT during several critical windows for breast development (in utero, adolescence, pregnancy) and when this chemical was still in use. Most other studies did not assess exposure during a biologically relevant window or specify the timing of exposure. Few studies considered genetic variation, but the Long Island Breast Cancer Study Project reported higher breast cancer risk for polycyclic aromatic hydrocarbons (PAHs) in women with certain genetic variations, especially in DNA repair genes. CONCLUSIONS New studies that targeted toxicologically relevant chemicals and captured biological hypotheses about genetic variants or windows of breast susceptibility added to evidence of links between environmental chemicals and breast cancer. However, many biologically relevant chemicals, including current-use consumer product chemicals, have not been adequately studied in humans. Studies are challenged to reconstruct exposures that occurred decades before diagnosis or access biological samples stored that long. Other problems include measuring rapidly metabolized chemicals and evaluating exposure to mixtures.
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Affiliation(s)
- Kathryn M Rodgers
- Silent Spring Institute, 320 Nevada Street, Newton, MA 02460, United States.
| | - Julia O Udesky
- Silent Spring Institute, 320 Nevada Street, Newton, MA 02460, United States.
| | - Ruthann A Rudel
- Silent Spring Institute, 320 Nevada Street, Newton, MA 02460, United States.
| | - Julia Green Brody
- Silent Spring Institute, 320 Nevada Street, Newton, MA 02460, United States.
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73
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Martin N, Buykx P, Shevills C, Sullivan C, Clark L, Newbury-Birch D. Population Level Effects of a Mass Media Alcohol and Breast Cancer Campaign: A Cross-Sectional Pre-Intervention and Post-Intervention Evaluation. Alcohol Alcohol 2018; 53:31-38. [PMID: 29155922 DOI: 10.1093/alcalc/agx071] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 09/12/2017] [Indexed: 12/22/2022] Open
Abstract
AIMS To examine the relationship between a TV-led breast cancer mass-media campaign in the North East of England (conducted in two waves: Jul/2015 and Nov/2015), awareness of the link between alcohol and cancer, intention to reduce alcohol consumption and support for alcohol related policies. METHODS Three cross-sectional surveys were conducted; one over the 2 weeks pre-campaign (n = 572); one immediately following campaign wave 1 (n = 576); and another immediately following campaign wave 2 (n = 552). Survey questions assessed; campaign exposure; awareness of the links between alcohol and related cancers; intention to change alcohol consumption; and support for alcohol related policies. RESULTS The proportion of respondents indicating awareness of alcohol as a cancer risk factor was larger post-campaign compared to pre-campaign. The largest increase was seen for breast cancer with 45% aware of the links post-campaign wave 2 compared to 33% pre-campaign. The proportion of respondents indicating 'strong support' of the seven alcohol related policies significantly increased between surveys. The proportion of respondents both aware of alcohol as a cancer risk factor and supportive of the seven alcohol related policies significantly increased between surveys. There was no significant change in self-reported intention to reduce alcohol consumption amongst increasing/higher risk drinkers. CONCLUSION These findings indicate that a mass-media campaign raising awareness of the links between alcohol and breast cancer is associated with increased awareness and alcohol related policy support at a population level. However, there was no association found with a change in short-term drinking intentions. SHORT SUMMARY A mass-media campaign raising awareness of the links between alcohol and breast cancer is associated with increased awareness and alcohol policy support at a population level but does not appear to be associated with a change in short term drinking intentions.
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Affiliation(s)
- Neil Martin
- Balance-The North East Alcohol Office, Bede House, Ground Floor East, Unit 3, Belmont Business Park, Durham DH1 1TW, UK
| | - Penny Buykx
- School of Health and Related Research, University of Sheffield, Sheffield S1 4DA, UK
| | - Colin Shevills
- Balance-The North East Alcohol Office, Bede House, Ground Floor East, Unit 3, Belmont Business Park, Durham DH1 1TW, UK
| | - Claire Sullivan
- Public Health England, Waterfront 4, Newburn Riverside, Newcastle upon Tyne NE15 8NY, UK
| | - Lynsey Clark
- Bluegrass Research Limited, Design Works, William Street, Gateshead NE10 0JP, UK
| | - Dorothy Newbury-Birch
- School of Health & Social Care, Teesside University, Middlesbrough, Tees Valley TS1 3BX, UK
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Fang Z, Yi Y, Shi G, Li S, Chen S, Lin Y, Li Z, He Z, Li W, Zhong S. Role of Brf1 interaction with ERα, and significance of its overexpression, in human breast cancer. Mol Oncol 2017; 11:1752-1767. [PMID: 28972307 PMCID: PMC5709663 DOI: 10.1002/1878-0261.12141] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/06/2017] [Accepted: 09/17/2017] [Indexed: 02/05/2023] Open
Abstract
TFIIB-related factor 1 (Brf1) modulates the transcription of RNA Pol III genes (polymerase-dependent genes). Upregulation of Pol III genes enhances tRNA and 5S RNA production and increases the translational capacity of cells to promote cell transformation and tumor development. However, the significance of Brf1 overexpression in human breast cancer (HBC) remains to be investigated. Here, we investigate whether Brf1 expression is increased in the samples of HBC, and we explore its molecular mechanism and the significance of Brf1 expression in HBC. Two hundred and eighteen samples of HBC were collected to determine Brf1 expression by cytological and molecular biological approaches. We utilized colocalization, coimmunoprecipitation, and chromatin immunoprecipitation methods to explore the interaction of Brf1 with estrogen receptor alpha (ERα). We determined how Brf1 and ERα modulate Pol III genes. The results indicated that Brf1 is overexpressed in most cases of HBC, which is associated with an ER-positive status. The survival period of the cases with high Brf1 expression is significantly longer than those with low levels of Brf1 after hormone treatment. ERα mediates Brf1 expression. Brf1 and ERα are colocalized in the nucleus. These results indicate an interaction between Brf1 and ERα, which synergistically regulates the transcription of Pol III genes. Inhibition of ERα by its siRNA or tamoxifen reduces cellular levels of Brf1 and Pol III gene expression and decreases the rate of colony formation of breast cancer cells. Together, these studies demonstrate that Brf1 is a good biomarker for the diagnosis and prognosis of HBC. This interaction of Brf1 with ERα and Brf1 itself are potential therapeutic targets for this disease.
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Affiliation(s)
- Zeng Fang
- Laboratory of General SurgeryFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Yunfeng Yi
- Department of Cardiothoracic SurgeryXiamen University Affiliated Southeast HospitalZhangzhouChina
| | - Ganggang Shi
- Department of PharmacologyShantou University Medical CollegeChina
| | - Songqi Li
- Laboratory of General SurgeryFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Songlin Chen
- Department of Cardiothoracic SurgeryXiamen University Affiliated Southeast HospitalZhangzhouChina
| | - Ying Lin
- Laboratory of General SurgeryFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Zhi Li
- Laboratory of General SurgeryFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Zhimin He
- Cancer Center of Guangzhou Medical UniversityGuangzhouChina
| | - Wen Li
- Laboratory of General SurgeryFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Shuping Zhong
- Department of PharmacologyShantou University Medical CollegeChina
- Cancer Center of Guangzhou Medical UniversityGuangzhouChina
- Department of Biochemistry and Molecular MedicineKeck School of MedicineUniversity of Southern CaliforniaLos AngeleCAUSA
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Chiaffarino F, Cipriani S, Ricci E, La Vecchia C, Chiantera V, Bulfoni A, Parazzini F. Alcohol consumption and risk of uterine myoma: A systematic review and meta analysis. PLoS One 2017; 12:e0188355. [PMID: 29176884 PMCID: PMC5703463 DOI: 10.1371/journal.pone.0188355] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 11/06/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The published data about alcohol consumption and uterine myoma are scanty and controversial: some studies found positive association whereas other studies showed no association. OBJECTIVES To conduct a systematic review and meta-analysis to determine whether alcohol is a risk factor for myoma. SEARCH STRATEGY A MEDLINE/EMBASE search was carried out, supplemented by manual searches of bibliographies of the selected studies. SELECTION CRITERIA Articles published as full-length papers in English. In the review we included all identified studies. Otherwise, the inclusion criteria for studies included in the meta-analysis were: a) case-control or cohort studies, reporting original data; b) studies reporting original data on the association between alcohol consumption and myoma; c) diagnosis of myoma was ultrasound or histological confirmed and/or clinically based. DATA COLLECTION AND ANALYSIS A total of 6 studies were identified for the review and 5 studies were included in the meta-analysis. The primary outcome was the incidence of uterine myoma in ever versus never alcohol drinkers and when data were available, we also analyzed categories of alcohol intake. We assessed the outcomes in the overall population and then we performed a subgroup analysis according to study design. Pooled estimates of the odds ratios (OR) with 95% confidence interval (CI) were calculated using random effects models. MAIN RESULTS The summary OR (95%CI) of myoma forever versus never alcohol intake was 1.12 (0.94-1.34) with significant heterogeneity. The summary OR for current versus never drinking was 1.33 (1.01-1.76) with no heterogeneity. CONCLUSIONS Ever alcohol consumption is not associated with myoma risk. Based on the data of two studies, current alcohol drinkers had a slightly borderline increased risk of diagnosis of myoma. In consideration of the very limited number of studies and the suggestion of a potential increased risk among current drinkers, further studies are required.
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Affiliation(s)
- Francesca Chiaffarino
- Dipartimento della Donna, del Neonato e del Bambino, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
- * E-mail:
| | - Sonia Cipriani
- Dipartimento della Donna, del Neonato e del Bambino, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Elena Ricci
- Dipartimento della Donna, del Neonato e del Bambino, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Carlo La Vecchia
- Dipartimento di Scienze Cliniche e di Comunità, Università degli studi di Milano, Milan, Italy
| | - Vito Chiantera
- Department of Gynecology, Charitè Universitätsmedizin, Berlin, Germany
| | - Alessandro Bulfoni
- Unità di Ostetricia e Ginecologia, Humanitas San Pio X Hospital, Milan, Italy
| | - Fabio Parazzini
- Dipartimento della Donna, del Neonato e del Bambino, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Dipartimento di Scienze Cliniche e di Comunità, Università degli studi di Milano, Milan, Italy
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Jacobsen KK, Lynge E, Tjønneland A, Vejborg I, von Euler-Chelpin M, Andersen ZJ. Alcohol consumption and mammographic density in the Danish Diet, Cancer and Health cohort. Cancer Causes Control 2017; 28:1429-1439. [PMID: 28965165 DOI: 10.1007/s10552-017-0970-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 09/22/2017] [Indexed: 11/24/2022]
Abstract
PURPOSE We examined the association between alcohol consumption and mammographic density (MD) considering in detail the time of exposure and the type of alcohol. METHODS Of 5,356 women (4,489 post-menopausal) from the Danish Diet, Cancer and Health cohort (1993-1997) who attended mammographic screening in Copenhagen (1993-2001), we used MD (mixed/dense or fatty) assessed at the first screening after cohort entry. Alcohol consumption was assessed at the time of recruitment. Logistic regression was used to estimate associations [odds ratios (OR), 95% confidence intervals (CI)] between alcohol consumption and MD. RESULTS The mean age was 56.2 years, 56.5% of women had mixed/dense MD, and 91.8% were alcohol consumers. There was no association between current alcohol consumption and MD at baseline (age 50-65, on average 1 year before MD assessment) neither between age at drinking initiation and MD, in the fully adjusted model. There was a borderline statistically significantly increased OR of having mixed/dense MD in women who consumed > 7 drinks/week at age 20-29 (1.31, 95% CI 1.00-1.72) compared to non-drinkers in this age group, and no effect of drinking at age 30-39, 40-49 or after > 50 years, when adjusting for current drinking. However, when considering different types of alcohol, drinking spirits at age 20-29 was positively associated with mixed/dense breast (3-7 drinks/week: OR 1.74, 95% CI 1.12-2.72); >7 drinks/week: (OR 1.76, 95% CI 0.73-4.23). No consistent pattern was found with beer, wine, or fortified wine. CONCLUSIONS We found higher MD among women with high alcohol consumption in early adulthood (ages 20-29), in those drinking spirits.
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Affiliation(s)
- Katja Kemp Jacobsen
- Department of Technology, Faculty of Health and Technology, Metropolitan University College, Copenhagen, Denmark.
| | - Elsebeth Lynge
- Centre for Epidemiology and Screening, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Anne Tjønneland
- Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
| | - Ilse Vejborg
- Department of Radiology and Diagnostic Imaging Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - My von Euler-Chelpin
- Centre for Epidemiology and Screening, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Zorana J Andersen
- Centre for Epidemiology and Screening, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Wang J, Heng YJ, Eliassen AH, Tamimi RM, Hazra A, Carey VJ, Ambrosone CB, de Andrade VP, Brufsky A, Couch FJ, King TA, Modugno F, Vachon CM, Hunter DJ, Beck AH, Hankinson SE. Alcohol consumption and breast tumor gene expression. Breast Cancer Res 2017; 19:108. [PMID: 28899409 PMCID: PMC5596493 DOI: 10.1186/s13058-017-0901-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 08/31/2017] [Indexed: 02/07/2023] Open
Abstract
Background Alcohol consumption is an established risk factor for breast cancer and the association generally appears stronger among estrogen receptor (ER)-positive tumors. However, the biological mechanisms underlying this association are not completely understood. Methods We analyzed messenger RNA (mRNA) microarray data from both invasive breast tumors (N = 602) and tumor-adjacent normal tissues (N = 508) from participants diagnosed with breast cancer in the Nurses’ Health Study (NHS) and NHSII. Multivariable linear regression, controlling for other known breast cancer risk factors, was used to identify differentially expressed genes by pre-diagnostic alcohol intake. For pathway analysis, we performed gene set enrichment analysis (GSEA). Differentially expressed genes or enriched pathway-defined gene sets with false discovery rate (FDR) <0.1 identified in tumors were validated in RNA sequencing data of invasive breast tumors (N = 166) from The Cancer Genome Atlas. Results No individual genes were significantly differentially expressed by alcohol consumption in the NHS/NHSII. However, GSEA identified 33 and 68 pathway-defined gene sets at FDR <0.1 among 471 ER+ and 127 ER- tumors, respectively, all of which were validated. Among ER+ tumors, consuming 10+ grams of alcohol per day (vs. 0) was associated with upregulation in RNA metabolism and transport, cell cycle regulation, and DNA repair, and downregulation in lipid metabolism. Among ER- tumors, in addition to upregulation in RNA processing and cell cycle, alcohol intake was linked to overexpression of genes involved in cytokine signaling, including interferon and transforming growth factor (TGF)-β signaling pathways, and translation and post-translational modifications. Lower lipid metabolism was observed in both ER+ tumors and ER+ tumor-adjacent normal samples. Most of the significantly enriched gene sets identified in ER- tumors showed a similar enrichment pattern among ER- tumor-adjacent normal tissues. Conclusions Our data suggest that moderate alcohol consumption (i.e. 10+ grams/day, equivalent to one or more drinks/day) is associated with several specific and reproducible biological processes and pathways, which adds potential new insight into alcohol-related breast carcinogenesis. Electronic supplementary material The online version of this article (doi:10.1186/s13058-017-0901-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jun Wang
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts Amherst, 715 N Pleasant Street, Amherst, MA, 01003, USA. .,Present address: Department of Preventive Medicine, University of Southern California, Harlyne J. Norris Research Tower, 1450 Biggy Street, Los Angeles, CA, 90033, USA.
| | - Yujing J Heng
- Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - A Heather Eliassen
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, 02115, USA
| | - Rulla M Tamimi
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, 02115, USA
| | - Aditi Hazra
- Division of Preventive Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 900 Commonwealth Ave, Boston, MA, 02115, USA
| | - Vincent J Carey
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA
| | - Christine B Ambrosone
- Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Victor P de Andrade
- Departamento de Patologia, A.C. Camargo Cancer Center, São Paulo, SP, 01509-900, Brazil
| | - Adam Brufsky
- Department of Medicine, University of Pittsburgh Medical Center, 300 Halket Street, Pittsburgh, PA, 15213, USA
| | - Fergus J Couch
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Tari A King
- Dana-Farber Cancer Institute and Brigham and Women's Cancer Center, 450 Brookline Avenue, Boston, MA, 02215, USA
| | - Francesmary Modugno
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, 300 Halket Street, Pittsburgh, PA, 15213, USA
| | - Celine M Vachon
- Department of Health Sciences Research, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - David J Hunter
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, 02115, USA.,Department of Nutrition, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, 02115, USA
| | - Andrew H Beck
- Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Susan E Hankinson
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts Amherst, 715 N Pleasant Street, Amherst, MA, 01003, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA, 02115, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, 02115, USA
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78
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Is there a relationship between adverse childhood experiences and problem drinking behaviors? Findings from a population-based sample. Public Health 2017. [DOI: 10.1016/j.puhe.2017.05.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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79
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Wright CM, Moorin RE, Chowdhury EK, Stricker BH, Reid CM, Saunders CM, Hughes JD. Calcium channel blockers and breast cancer incidence: An updated systematic review and meta-analysis of the evidence. Cancer Epidemiol 2017; 50:113-124. [PMID: 28866282 DOI: 10.1016/j.canep.2017.08.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/15/2017] [Accepted: 08/19/2017] [Indexed: 12/18/2022]
Abstract
Controversy exists regarding the potential association between taking calcium channel blockers (CCBs) and the development of breast cancer. As a positive association would have important public health implications due to the widespread use of CCBs, this study aimed to incorporate new evidence to determine whether an association is likely to exist. We searched MEDLINE, EMBASE and the Cochrane Library to 28 June 2016 for relevant literature. References and citing articles were checked and authors contacted as necessary. Two authors independently selected articles and extracted data. Twenty-nine studies were reviewed; 26 were non-randomised studies (NRS). Meta-analysis of study data where adjustment for 'confounding by indication' was judged to be present suggests that an association, if any, is likely to be modest in magnitude (pooled odds/risk ratio 1.09 (95% confidence interval (CI) 1.03-1.15, I2=0%, 8 sub-studies; pooled hazard ratio 0.99 (95% CI 0.94-1.03, I2=35%, 9 sub-studies)). There are credible study data showing an increased relative risk with long-term use of CCBs, but the results of our meta-analysis and of meta-regression of log relative risk against minimum follow-up time are mixed. The current summative evidence does not support a clear association between taking CCBs and developing breast cancer. However, uncertainty remains, especially for long-term use and any association might not be uniform between different populations and/or breast cancer sub-types. We thus recommend further NRS in settings where CCB use is highly prevalent and population-based cancer, prescription and health-registries exist, to resolve this continuing uncertainty. PROSPERO, CRD42015026712.
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Affiliation(s)
- Cameron M Wright
- Health Systems and Health Economics, School of Public Health, Faculty of Health Sciences, GPO Box U1987, Curtin University, Perth, Western Australia, 6845, Australia; School of Pharmacy, Faculty of Health Sciences, GPO Box U1987, Curtin University, Perth, Western Australia, 6845, Australia; School of Medicine, University of Tasmania, Private Bag 26, Sandy Bay, Tasmania, 7001, Australia.
| | - Rachael E Moorin
- Health Systems and Health Economics, School of Public Health, Faculty of Health Sciences, GPO Box U1987, Curtin University, Perth, Western Australia, 6845, Australia; Centre for Health Services Research, School of Population and Global Health, Faculty of Medicine, Dentistry and Health Sciences, 35 Stirling Highway, University of Western Australia, Crawley, Perth, Western Australia, 6009, Australia.
| | - Enayet K Chowdhury
- Centre for Cardiovascular Research and Education in Therapeutics, Monash University, Melbourne, Victoria, 3800, Australia.
| | - Bruno H Stricker
- Department of Epidemiology, Erasmus MC: University Medical Centre, Rotterdam, 3015, Netherlands.
| | - Christopher M Reid
- School of Pharmacy, Faculty of Health Sciences, GPO Box U1987, Curtin University, Perth, Western Australia, 6845, Australia; School of Public Health, Faculty of Health Sciences, GPO Box 1987, Curtin University, Perth, Western Australia, 6845, Australia.
| | - Christobel M Saunders
- School of Surgery, Faculty of Medicine, Dentistry and Health Sciences, 35 Stirling Highway, University of Western Australia, Perth, Western Australia, 6009, Australia.
| | - Jeffery D Hughes
- School of Pharmacy, Faculty of Health Sciences, GPO Box U1987, Curtin University, Perth, Western Australia, 6845, Australia.
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80
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Carbohydrate nutrition and risk of adiposity-related cancers: results from the Framingham Offspring cohort (1991-2013). Br J Nutr 2017; 117:1603-1614. [PMID: 28660846 DOI: 10.1017/s0007114517001489] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Higher carbohydrate intake, glycaemic index (GI), and glycaemic load (GL) are hypothesised to increase cancer risk through metabolic dysregulation of the glucose-insulin axis and adiposity-related mechanisms, but epidemiological evidence is inconsistent. This prospective cohort study investigates carbohydrate quantity and quality in relation to risk of adiposity-related cancers, which represent the most commonly diagnosed preventable cancers in the USA. In exploratory analyses, associations with three site-specific cancers: breast, prostate and colorectal cancers were also examined. The study sample consisted of 3184 adults from the Framingham Offspring cohort. Dietary data were collected in 1991-1995 using a FFQ along with lifestyle and medical information. From 1991 to 2013, 565 incident adiposity-related cancers, including 124 breast, 157 prostate and sixty-eight colorectal cancers, were identified. Cox proportional hazards models were used to evaluate the role of carbohydrate nutrition in cancer risk. GI and GL were not associated with risk of adiposity-related cancers or any of the site-specific cancers. Total carbohydrate intake was not associated with risk of adiposity-related cancers combined or prostate and colorectal cancers. However, carbohydrate consumption in the highest v. lowest quintile was associated with 41 % lower breast cancer risk (hazard ratio (HR) 0·59; 95 % CI 0·36, 0·97). High-, medium- and low-GI foods were not associated with risk of adiposity-related cancers or prostate and colorectal cancers. In exploratory analyses, low-GI foods, were associated with 49 % lower breast cancer risk (HR 0·51; 95 % CI 0·32, 0·83). In this cohort of Caucasian American adults, associations between carbohydrate nutrition and cancer varied by cancer site. Healthier low-GI carbohydrate foods may prevent adiposity-related cancers among women, but these findings require confirmation in a larger sample.
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81
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Gaudet MM, Carter BD, Brinton LA, Falk RT, Gram IT, Luo J, Milne RL, Nyante SJ, Weiderpass E, Beane Freeman LE, Sandler DP, Robien K, Anderson KE, Giles GG, Chen WY, Feskanich D, Braaten T, Isaacs C, Butler LM, Koh WP, Wolk A, Adami HO, White E, Margolis KL, Thun MJ, Gapstur SM. Pooled analysis of active cigarette smoking and invasive breast cancer risk in 14 cohort studies. Int J Epidemiol 2017; 46:881-893. [PMID: 28031315 PMCID: PMC5837778 DOI: 10.1093/ije/dyw288] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/09/2016] [Indexed: 11/15/2022] Open
Abstract
Background The 2014 US Surgeon General's report noted research gaps necessary to determine a causal relationship between active cigarette smoking and invasive breast cancer risk, including the role of alcohol consumption, timing of exposure, modification by menopausal status and heterogeneity by oestrogen receptor (ER) status. Methods To address these issues, we pooled data from 14 cohort studies contributing 934 681 participants (36 060 invasive breast cancer cases). Cox proportional hazard regression models were used to calculate multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs). Results Smoking duration before first birth was positively associated with risk ( P -value for trend = 2 × 10 -7 ) with the highest HR for initiation >10 years before first birth (HR = 1.18, CI 1.12-1.24). Effect modification by current alcohol consumption was evident for the association with smoking duration before first birth ( P -value=2×10 -4 ); compared with never-smoking non-drinkers, initiation >10 years before first birth was associated with risk in every category of alcohol intake, including non-drinkers (HR = 1.15, CI 1.04-1.28) and those who consumed at least three drinks per day (1.85, 1.55-2.21). Associations with smoking before first birth were limited to risk of ER+ breast cancer ( P -value for homogeneity=3×10 -3 ). Other smoking timing and duration characteristics were associated with risk even after controlling for alcohol, but were not associated with risk in non-drinkers. Effect modification by menopause was not evident. Conclusions Smoking, particularly if initiated before first birth, was modestly associated with ER+ breast cancer risk that was not confounded by amount of adult alcohol intake. Possible links with breast cancer provide additional motivation for young women to not initiate smoking.
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Affiliation(s)
- Mia M Gaudet
- Epidemiology Research Program, American Cancer Society, Atlanta, GA, USA
| | - Brian D Carter
- Epidemiology Research Program, American Cancer Society, Atlanta, GA, USA
| | - Louise A Brinton
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Roni T Falk
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Inger T Gram
- Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Juhua Luo
- Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, IN, USA
| | - Roger L Milne
- Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne, VIC, Australia and Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Victoria, Australia
| | - Sarah J Nyante
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
- Department of Radiology, University of North Carolina, Chapel Hill, NC, USA
| | - Elisabete Weiderpass
- Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway
- Genetic Epidemiology Group, Folkhälsan Research Center, Helsinki, Finland
| | - Laura E Beane Freeman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH/DHHS, Research Triangle Park, NC, USA
| | - Kim Robien
- Department of Epidemiology and Biostatistics, Milken Institute School of Public Health, George Washington University, Washington, DC, USA
| | | | - Graham G Giles
- Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne, VIC, Australia and Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Victoria, Australia
| | - Wendy Y Chen
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Diane Feskanich
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Tonje Braaten
- Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Claudine Isaacs
- Department of Oncology, School of Medicine, Georgetown University, Washington, DC, USA
- Lombardi Comprehensive Cancer Center at Georgetown University, Washington, DC, USA
| | - Lesley M Butler
- University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Woon-Puay Koh
- Duke-NUS Graduate Medical School Singapore, Singapore, Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Alicja Wolk
- Department of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Hans-Olov Adami
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Epidemiology, Harvard T.H. Chan School of Public Health Community, Boston, MA, USA
| | - Emily White
- Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - Karen L Margolis
- HealthPartners Institute for Education and Research, Minneapolis, MN, USA
| | - Michael J Thun
- Epidemiology Research Program, American Cancer Society, Atlanta, GA, USA
| | - Susan M Gapstur
- Epidemiology Research Program, American Cancer Society, Atlanta, GA, USA
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82
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Knight JA, Fan J, Malone KE, John EM, Lynch CF, Langballe R, Bernstein L, Shore RE, Brooks JD, Reiner AS, Woods M, Liang X, Bernstein JL. Alcohol consumption and cigarette smoking in combination: A predictor of contralateral breast cancer risk in the WECARE study. Int J Cancer 2017; 141:916-924. [PMID: 28524234 DOI: 10.1002/ijc.30791] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 04/07/2017] [Accepted: 04/26/2017] [Indexed: 12/20/2022]
Abstract
Alcohol drinking and, to a lesser extent, cigarette smoking are risk factors for a first primary breast cancer. Information on these behaviours at diagnosis may contribute to risk prediction of contralateral breast cancer (CBC) and they are potentially modifiable. The WECARE Study is a large population-based case-control study of women with breast cancer where cases (N = 1,521) had asynchronous CBC and controls (N = 2,212), matched on survival time and other factors, had unilateral breast cancer (UBC). Using multivariable conditional logistic regression to estimate rate ratios (RR) and 95% confidence intervals (CI), we examined the risk of CBC in relation to drinking and smoking history at and following first diagnosis. We adjusted for treatment, disease characteristics and other factors. There was some evidence for an association between CBC risk and current drinking or current smoking at the time of first breast cancer diagnosis, but the increased risk occurred primarily among women exposed to both (RR = 1.62, 95% CI 1.24-2.11). CBC risk was also elevated in women who both smoked and drank alcohol after diagnosis (RR = 1.54, 95% CI 1.18-1.99). In the subset of women with detailed information on amount consumed, smoking an average of ≥10 cigarettes per day following diagnosis was also associated with increased CBC risk (RR = 1.50, 95% CI 1.08-2.08; p-trend = 0.03). Among women with a diagnosis of breast cancer, information on current drinking and smoking could contribute to the prediction of CBC risk. Women who both drink and smoke may represent a group who merit targeted lifestyle intervention to modify their risk of CBC.
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Affiliation(s)
- Julia A Knight
- Prosserman Centre for Health Research, Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada.,Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Jing Fan
- Prosserman Centre for Health Research, Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada
| | - Kathleen E Malone
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Esther M John
- Division of Epidemiology, Cancer Prevention Institute of California, Fremont, CA.,Department of Health Research and Policy (Epidemiology) and Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA
| | - Charles F Lynch
- Departments of Epidemiology and Pathology, University of Iowa, Iowa City, IA
| | - Rikke Langballe
- Virus, Lifestyle and Genes Unit, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Leslie Bernstein
- Department of Population Health Sciences, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA
| | - Roy E Shore
- Department of Environmental Medicine, New York University, New York, NY
| | - Jennifer D Brooks
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Anne S Reiner
- Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Meghan Woods
- Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Xiaolin Liang
- Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jonine L Bernstein
- Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
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83
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Mourouti N, Panagiotakos DB, Kotteas EA, Syrigos KN. Optimizing diet and nutrition for cancer survivors: A review. Maturitas 2017; 105:33-36. [PMID: 28545906 DOI: 10.1016/j.maturitas.2017.05.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 05/11/2017] [Accepted: 05/15/2017] [Indexed: 01/08/2023]
Abstract
The number of cancer survivors is increasing and they are often highly motivated to search for information about nutrition and about physical activity in order to try to improve their treatment outcomes, quality of life and overall survival. In the light of these concerns, the World Cancer Research Fund (WCRF)/American Institute for Cancer Research (AICR) as well as the American Cancer Society recommend a largely plant-based diet with limited consumption of red and processed meat, and limited consumption of alcohol, as well as the maintenance of a healthy weight throughout life and regular engagement in physical activity. There is a need for well-designed large observational and intervention studies to shed more light on the association between diet and cancer survivorship, and to suggest additional means for the secondary prevention of cancer.
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Affiliation(s)
- Niki Mourouti
- School of Health Science and Education, Department of Nutrition and Dietetics, Harokopio University of Athens, Athens, Greece; 3rd Department of Medicine, University of Athens, School of Medicine, Athens, Greece
| | - Demosthenes B Panagiotakos
- School of Health Science and Education, Department of Nutrition and Dietetics, Harokopio University of Athens, Athens, Greece.
| | - Elias A Kotteas
- 3rd Department of Medicine, University of Athens, School of Medicine, Athens, Greece
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84
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Reid BM, Permuth JB, Sellers TA. Epidemiology of ovarian cancer: a review. Cancer Biol Med 2017. [PMID: 28443200 DOI: 10.20892/j.issn.2095-3941.2016.0084]+[] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Ovarian cancer (OC) is the seventh most commonly diagnosed cancer among women in the world and the tenth most common in China. Epithelial OC is the most predominant pathologic subtype, with five major histotypes that differ in origination, pathogenesis, molecular alterations, risk factors, and prognosis. Genetic susceptibility is manifested by rare inherited mutations with high to moderate penetrance. Genome-wide association studies have additionally identified 29 common susceptibility alleles for OC, including 14 subtype-specific alleles. Several reproductive and hormonal factors may lower risk, including parity, oral contraceptive use, and lactation, while others such as older age at menopause and hormone replacement therapy confer increased risks. These associations differ by histotype, especially for mucinous OC, likely reflecting differences in etiology. Endometrioid and clear cell OC share a similar, unique pattern of associations with increased risks among women with endometriosis and decreased risks associated with tubal ligation. OC risks associated with other gynecological conditions and procedures, such as hysterectomy, pelvic inflammatory disease, and polycystic ovarian syndrome, are less clear. Other possible risk factors include environmental and lifestyle factors such as asbestos and talc powder exposures, and cigarette smoking. The epidemiology provides clues on etiology, primary prevention, early detection, and possibly even therapeutic strategies.
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Affiliation(s)
- Brett M Reid
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Jennifer B Permuth
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Thomas A Sellers
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
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85
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Abstract
Ovarian cancer (OC) is the seventh most commonly diagnosed cancer among women in the world and the tenth most common in China. Epithelial OC is the most predominant pathologic subtype, with five major histotypes that differ in origination, pathogenesis, molecular alterations, risk factors, and prognosis. Genetic susceptibility is manifested by rare inherited mutations with high to moderate penetrance. Genome-wide association studies have additionally identified 29 common susceptibility alleles for OC, including 14 subtype-specific alleles. Several reproductive and hormonal factors may lower risk, including parity, oral contraceptive use, and lactation, while others such as older age at menopause and hormone replacement therapy confer increased risks. These associations differ by histotype, especially for mucinous OC, likely reflecting differences in etiology. Endometrioid and clear cell OC share a similar, unique pattern of associations with increased risks among women with endometriosis and decreased risks associated with tubal ligation. OC risks associated with other gynecological conditions and procedures, such as hysterectomy, pelvic inflammatory disease, and polycystic ovarian syndrome, are less clear. Other possible risk factors include environmental and lifestyle factors such as asbestos and talc powder exposures, and cigarette smoking. The epidemiology provides clues on etiology, primary prevention, early detection, and possibly even therapeutic strategies.
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Affiliation(s)
- Brett M Reid
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Jennifer B Permuth
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Thomas A Sellers
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
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86
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Zhao M, Howard EW, Guo Z, Parris AB, Yang X. p53 pathway determines the cellular response to alcohol-induced DNA damage in MCF-7 breast cancer cells. PLoS One 2017; 12:e0175121. [PMID: 28369097 PMCID: PMC5378409 DOI: 10.1371/journal.pone.0175121] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 03/21/2017] [Indexed: 02/07/2023] Open
Abstract
Alcohol consumption is associated with increased breast cancer risk; however, the underlying mechanisms that contribute to mammary tumor initiation and progression are unclear. Alcohol is known to induce oxidative stress and DNA damage; likewise, p53 is a critical modulator of the DNA repair pathway and ensures genomic integrity. p53 mutations are frequently detected in breast and other tumors. The impact of alcohol on p53 is recognized, yet the role of p53 in alcohol-induced mammary carcinogenesis remains poorly defined. In our study, we measured alcohol-mediated oxidative DNA damage in MCF-7 cells using 8-OHdG and p-H2AX foci formation assays. p53 activity and target gene expression after alcohol exposure were determined using p53 luciferase reporter assay, qPCR, and Western blotting. A mechanistic study delineating the role of p53 in DNA damage response and cell cycle arrest was based on isogenic MCF-7 cells stably transfected with control (MCF-7/Con) or p53-targeting siRNA (MCF-7/sip53), and MCF-7 cells that were pretreated with Nutlin-3 (Mdm2 inhibitor) to stabilize p53. Alcohol treatment resulted in significant DNA damage in MCF-7 cells, as indicated by increased levels of 8-OHdG and p-H2AX foci number. A p53-dependent signaling cascade was stimulated by alcohol-induced DNA damage. Moderate to high concentrations of alcohol (0.1-0.8% v/v) induced p53 activation, as indicated by increased p53 phosphorylation, reporter gene activity, and p21/Bax gene expression, which led to G0/G1 cell cycle arrest. Importantly, compared to MCF-7/Con cells, alcohol-induced DNA damage was significantly enhanced, while alcohol-induced p21/Bax expression and cell cycle arrest were attenuated in MCF-7/sip53 cells. In contrast, inhibition of p53 degradation via Nutlin-3 reinforced G0/G1 cell cycle arrest in MCF-7 control cells. Our study suggests that functional p53 plays a critical role in cellular responses to alcohol-induced DNA damage, which protects the cells from DNA damage associated with breast cancer risk.
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Affiliation(s)
- Ming Zhao
- Department of Biological and Biomedical Sciences, Julius L. Chambers Biomedical/Biotechnology Research Institute (BBRI), North Carolina Central University, Kannapolis, North Carolina
| | - Erin W. Howard
- Department of Biological and Biomedical Sciences, Julius L. Chambers Biomedical/Biotechnology Research Institute (BBRI), North Carolina Central University, Kannapolis, North Carolina
| | - Zhiying Guo
- Department of Biological and Biomedical Sciences, Julius L. Chambers Biomedical/Biotechnology Research Institute (BBRI), North Carolina Central University, Kannapolis, North Carolina
| | - Amanda B. Parris
- Department of Biological and Biomedical Sciences, Julius L. Chambers Biomedical/Biotechnology Research Institute (BBRI), North Carolina Central University, Kannapolis, North Carolina
| | - Xiaohe Yang
- Department of Biological and Biomedical Sciences, Julius L. Chambers Biomedical/Biotechnology Research Institute (BBRI), North Carolina Central University, Kannapolis, North Carolina
- * E-mail:
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87
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Ferrer RA, Klein WMP, Graff KA. Self-affirmation increases defensiveness toward health risk information among those experiencing negative emotions: Results from two national samples. Health Psychol 2017; 36:380-391. [PMID: 28206787 DOI: 10.1037/hea0000460] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Self-affirmation can promote health behavior change and yield long-term improvements in health via its effect on receptiveness to risk information in behavior change interventions. Across 2 studies, we examined whether the emotional state of the person presented with health risk information moderates self-affirmation effectiveness. METHOD Data were collected from 2 U.S. national samples (n = 652, n = 448) via GfK, an Internet-based survey company. Female alcohol consumers completed an emotion induction (fear, anger, or neutral). They then completed a standard self-affirmation (or no-affirmation) essay-writing task, and subsequently received a health message linking alcohol to breast cancer. RESULTS There was a significant interaction between emotion and self-affirmation conditions, such that self-affirmation reduced the specificity of health behavior change plans among those experiencing negative emotion (Study 1: B = -0.55, p < .001), with consistent but not significant effects for anger (Study 2: B = -.47, p = .069. Among self-affirmed participants, essays were rated as significantly less self-affirming for individuals experiencing negative emotion (or anger). Mediation analyses limited to the self-affirmation condition revealed an indirect effect of negative emotion condition on health behavior change plan specificity via self-affirmation ratings of essay content in Study 1: β = 0.04, p = .041. CONCLUSIONS The salutary effect of self-affirmation on plan specificity was reversed with negative emotion. These findings may be attributed to disruption of the self-affirmation process. Individuals who enter interventions using self-affirmation in a negative emotion state may be less prepared to benefit from other intervention content, and may even be less likely to change health behaviors as a result of the intervention. (PsycINFO Database Record
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Affiliation(s)
- Rebecca A Ferrer
- Basic Biobehavioral and Psychological Sciences Branch, Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute
| | - William M P Klein
- Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute
| | - Kaitlin A Graff
- ehavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute
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88
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Seitz HK. Alcohol and cancer-individual risk factors. Addiction 2017; 112:232-233. [PMID: 27905157 DOI: 10.1111/add.13664] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 10/12/2016] [Accepted: 10/13/2016] [Indexed: 11/26/2022]
Affiliation(s)
- Helmut K Seitz
- Centre of Alcohol Research (CAR), University of Heidelberg, Heidelberg, Germany.,Department of Medicine, Salem Medical Centre, Heidelberg, Germany
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89
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Connor J. Alcohol consumption as a cause of cancer. Addiction 2017; 112:222-228. [PMID: 27442501 DOI: 10.1111/add.13477] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 03/02/2016] [Accepted: 05/18/2016] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND AIMS There is increasing research evidence about the causal role of alcohol in cancer, accompanied by unclear and conflicting messages in the media. This paper aimed to clarify the strength of the evidence for alcohol as a cause of cancer, and the meaning of cause in this context. METHODS Recent epidemiological and biological research on alcohol and cancer was reviewed and summarized, drawing upon published meta-analyses identified from the Medline database and the archives of the International Agency for Research on Cancer. More recent epidemiological studies not included in these publications were also reviewed. A brief description of the nature of causal inference in epidemiology was used to frame discussion of the strength of the evidence that alcohol causes cancer, and contrast this with the case for a protective association of alcohol with cardiovascular disease. RESULTS The usual epidemiological understanding of a cause is a factor that increases the incidence of a condition in the population. In the context of a body of epidemiological evidence of an association of alcohol consumption with a disease, the inference that it is a causal association requires alternative explanations of the observed finding to be judged unlikely. Even without complete knowledge of biological mechanisms, the epidemiological evidence can support the judgement that alcohol causes cancer of the oropharynx, larynx, oesophagus, liver, colon, rectum and breast. The measured associations exhibit gradients of effect that are biologically plausible, and there is some evidence of reversibility of risk in laryngeal, pharyngeal and liver cancers when consumption ceases. The limitations of cohort studies mean that the true effects may be somewhat weaker or stronger than estimated currently, but are unlikely to be qualitatively different. The same, or similar, epidemiological studies also commonly report protection from cardiovascular disease associated with drinking but a high level of scepticism regarding these findings is now warranted. CONCLUSIONS There is strong evidence that alcohol causes cancer at seven sites in the body and probably others. Current estimates suggest that alcohol-attributable cancers at these sites make up 5.8% of all cancer deaths world-wide. Confirmation of specific biological mechanisms by which alcohol increases the incidence of each type of cancer is not required to infer that alcohol is a cause.
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Affiliation(s)
- Jennie Connor
- Department of Preventive and Social Medicine, University of Otago, New Zealand
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90
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Prognostic factors in early breast cancer associated with body mass index, physical functioning, physical activity, and comorbidity: data from a nationwide Danish cohort. Breast Cancer Res Treat 2017; 162:159-167. [DOI: 10.1007/s10549-016-4099-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 12/28/2016] [Indexed: 10/20/2022]
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91
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Abstract
Ovarian cancer (OC) is the seventh most commonly diagnosed cancer among women in the world and the tenth most common in China. Epithelial OC is the most predominant pathologic subtype, with five major histotypes that differ in origination, pathogenesis, molecular alterations, risk factors, and prognosis. Genetic susceptibility is manifested by rare inherited mutations with high to moderate penetrance. Genome-wide association studies have additionally identified 29 common susceptibility alleles for OC, including 14 subtype-specific alleles. Several reproductive and hormonal factors may lower risk, including parity, oral contraceptive use, and lactation, while others such as older age at menopause and hormone replacement therapy confer increased risks. These associations differ by histotype, especially for mucinous OC, likely reflecting differences in etiology. Endometrioid and clear cell OC share a similar, unique pattern of associations with increased risks among women with endometriosis and decreased risks associated with tubal ligation. OC risks associated with other gynecological conditions and procedures, such as hysterectomy, pelvic inflammatory disease, and polycystic ovarian syndrome, are less clear. Other possible risk factors include environmental and lifestyle factors such as asbestos and talc powder exposures, and cigarette smoking. The epidemiology provides clues on etiology, primary prevention, early detection, and possibly even therapeutic strategies.
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Affiliation(s)
- Brett M Reid
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Jennifer B Permuth
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
| | - Thomas A Sellers
- Department of Cancer Epidemiology, Division of Population Sciences, Moffitt Cancer Center, Tampa 33612, FL, USA
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92
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Long-term exposure of MCF-7 breast cancer cells to ethanol stimulates oncogenic features. Int J Oncol 2016; 50:49-65. [PMID: 27959387 PMCID: PMC5182011 DOI: 10.3892/ijo.2016.3800] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 10/10/2016] [Indexed: 12/24/2022] Open
Abstract
Alcohol consumption is a risk factor for breast cancer. Little is known regarding the mechanism, although it is assumed that acetaldehyde or estrogen mediated pathways play a role. We previously showed that long-term exposure to 2.5 mM ethanol (blood alcohol ~0.012%) of MCF-12A, a human normal epithelial breast cell line, induced epithelial mesenchymal transition (EMT) and oncogenic transformation. In this study, we investigated in the human breast cancer cell line MCF-7, whether a similar exposure to ethanol at concentrations ranging up to peak blood levels in heavy drinkers would increase malignant progression. Short-term (1-week) incubation to ethanol at as low as 1-5 mM (corresponding to blood alcohol concentration of ~0.0048-0.024%) upregulated the stem cell related proteins Oct4 and Nanog, but they were reduced after exposure at 25 mM. Long-term (4-week) exposure to 25 mM ethanol upregulated the Oct4 and Nanog proteins, as well as the malignancy marker Ceacam6. DNA microarray analysis in cells exposed for 1 week showed upregulated expression of metallothionein genes, particularly MT1X. Long-term exposure upregulated expression of some malignancy related genes (STEAP4, SERPINA3, SAMD9, GDF15, KRT15, ITGB6, TP63, and PGR, as well as the CEACAM, interferon related, and HLA gene families). Some of these findings were validated by RT-PCR. A similar treatment also modulated numerous microRNAs (miRs) including one regulator of Oct4 as well as miRs involved in oncogenesis and/or malignancy, with only a few estrogen-induced miRs. Long-term 25 mM ethanol also induced a 5.6-fold upregulation of anchorage-independent growth, an indicator of malignant-like features. Exposure to acetaldehyde resulted in little or no effect comparable to that of ethanol. The previously shown alcohol induction of oncogenic transformation of normal breast cells is now complemented by the current results suggesting alcohol's potential involvement in malignant progression of breast cancer.
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93
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Buykx P, Li J, Gavens L, Hooper L, Lovatt M, Gomes de Matos E, Meier P, Holmes J. Public awareness of the link between alcohol and cancer in England in 2015: a population-based survey. BMC Public Health 2016; 16:1194. [PMID: 27899099 PMCID: PMC5129195 DOI: 10.1186/s12889-016-3855-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/18/2016] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Public knowledge of the association between alcohol and cancer is reported to be low. We aimed to provide up-to-date evidence for England regarding awareness of the link between alcohol and different cancers and to determine whether awareness differs by demographic characteristics, alcohol use, and geographic region. METHODS A representative sample of 2100 adults completed an online survey in July 2015. Respondents were asked to identify which health outcomes, including specific cancers, may be caused by alcohol consumption. Logistic regressions explored whether demographic, alcohol use, and geographic characteristics predicted correctly identifying alcohol-related cancer risk. RESULTS Unprompted, 12.9% of respondents identified cancer as a potential health outcome of alcohol consumption. This rose to 47% when prompted (compared to 95% for liver disease and 73% for heart disease). Knowledge of the link between alcohol and specific cancers varied between 18% (breast) and 80% (liver). Respondents identified the following cancers as alcohol-related where no such evidence exists: bladder (54%), brain (32%), ovarian (17%). Significant predictors of awareness of the link between alcohol and cancer were being female, more highly educated, and living in North-East England. CONCLUSION There is generally low awareness of the relationship between alcohol consumption and cancer, particularly breast cancer. Greater awareness of the relationship between alcohol and breast cancer in North-East England, where a mass media campaign highlighted this relationship, suggests that population awareness can be influenced by social marketing.
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Affiliation(s)
- Penny Buykx
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
| | - Jessica Li
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
| | - Lucy Gavens
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
| | - Lucie Hooper
- Policy Research Centre for Cancer Prevention, Cancer Research UK, Angel Building, 407 St John Street, London, EC1V 4AD UK
| | - Melanie Lovatt
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
- Present address: University of Stirling, Stirling, FK94LA UK
| | | | - Petra Meier
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
| | - John Holmes
- School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA UK
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Pastor-Barriuso R, Fernández MF, Castaño-Vinyals G, Whelan D, Pérez-Gómez B, Llorca J, Villanueva CM, Guevara M, Molina-Molina JM, Artacho-Cordón F, Barriuso-Lapresa L, Tusquets I, Dierssen-Sotos T, Aragonés N, Olea N, Kogevinas M, Pollán M. Total Effective Xenoestrogen Burden in Serum Samples and Risk for Breast Cancer in a Population-Based Multicase-Control Study in Spain. ENVIRONMENTAL HEALTH PERSPECTIVES 2016; 124:1575-1582. [PMID: 27203080 PMCID: PMC5047766 DOI: 10.1289/ehp157] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/01/2016] [Accepted: 05/04/2016] [Indexed: 05/04/2023]
Abstract
BACKGROUND Most studies on endocrine-disrupting chemicals and breast cancer have focused on single compounds and have produced inconclusive findings. OBJECTIVES We assessed the combined estrogenic effects of mixtures of xenoestrogens in serum and their relationship to breast cancer risk. METHODS A total of 186 incident pretreatment breast cancer cases and 196 frequency-matched controls were randomly sampled from a large population-based multicase-control study in Spain. The total effective xenoestrogen burden attributable to organohalogenated xenoestrogens (TEXB-α) and endogenous hormones and more polar xenoestrogens (TEXB-β) was determined in serum samples using high-performance liquid chromatography and E-Screen bioassay. Odds ratios for breast cancer comparing tertiles of serum TEXB-α and TEXB-β were estimated using logistic models, and smooth risk trends were obtained using spline models. RESULTS Cases had higher geometric mean TEXB-α and TEXB-β levels (8.32 and 9.94 Eeq pM/mL, respectively) than controls (2.99 and 5.96 Eeq pM/mL, respectively). The fully adjusted odds ratios for breast cancer (95% confidence intervals) comparing the second and third tertiles of TEXB-α with the first tertile were 1.77 (0.76, 4.10) and 3.45 (1.50, 7.97), respectively, and those for TEXB-β were 2.35 (1.10, 5.03) and 4.01 (1.88, 8.56), respectively. A steady increase in risk was evident across all detected TEXB-α levels and a sigmoidal trend was observed for TEXB-β. Individual xenoestrogens showed weak and opposing associations with breast cancer risk. CONCLUSIONS This is the first study to show a strong positive association between serum total xenoestrogen burden and breast cancer risk, highlighting the importance of evaluating xenoestrogen mixtures, rather than single compounds, when studying hormone-related cancers. CITATION Pastor-Barriuso R, Fernández MF, Castaño-Vinyals G, Whelan D, Pérez-Gómez B, Llorca J, Villanueva CM, Guevara M, Molina-Molina JM, Artacho-Cordón F, Barriuso-Lapresa L, Tusquets I, Dierssen-Sotos T, Aragonés N, Olea N, Kogevinas M, Pollán M. 2016. Total effective xenoestrogen burden in serum samples and risk for breast cancer in a population-based multicase-control study in Spain. Environ Health Perspect 124:1575-1582; http://dx.doi.org/10.1289/EHP157.
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Affiliation(s)
- Roberto Pastor-Barriuso
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Mariana F. Fernández
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), University of Granada, Granada, Spain
| | - Gemma Castaño-Vinyals
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Center for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Pompeu Fabra University (UPF), Barcelona, Spain
| | - Denis Whelan
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- USA-Spain Fulbright Commission for Cultural, Educational and Scientific Exchange, Madrid, Spain
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Beatriz Pérez-Gómez
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Javier Llorca
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Division of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, Santander, Spain
| | - Cristina M. Villanueva
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Center for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Pompeu Fabra University (UPF), Barcelona, Spain
| | - Marcela Guevara
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Public Health Institute of Navarra, Pamplona, Spain
| | | | | | - Laura Barriuso-Lapresa
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Public Health Institute of Navarra, Pamplona, Spain
| | - Ignasi Tusquets
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Medicine Department, Autonomous University of Barcelona, Barcelona, Spain
- Medical Oncology Department, Hospital del Mar, Barcelona, Spain
| | - Trinidad Dierssen-Sotos
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Division of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, Santander, Spain
| | - Nuria Aragonés
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Nicolás Olea
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), University of Granada, Granada, Spain
| | - Manolis Kogevinas
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Center for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Pompeu Fabra University (UPF), Barcelona, Spain
| | - Marina Pollán
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Address correspondence to M. Pollán, National Center for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029 Madrid, Spain. Telephone: 34 91 822 26 35. E-mail:
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Noguchi C, Grothusen G, Anandarajan V, Martínez-Lage García M, Terlecky D, Corzo K, Tanaka K, Nakagawa H, Noguchi E. Genetic controls of DNA damage avoidance in response to acetaldehyde in fission yeast. Cell Cycle 2016; 16:45-58. [PMID: 27687866 DOI: 10.1080/15384101.2016.1237326] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Acetaldehyde, a primary metabolite of alcohol, forms DNA adducts and disrupts the DNA replication process, causing genomic instability, a hallmark of cancer. Indeed, chronic alcohol consumption accounts for approximately 3.6% of all cancers worldwide. However, how the adducts are prevented and repaired after acetaldehyde exposure is not well understood. In this report, we used the fission yeast Schizosaccharomyces pombe as a model organism to comprehensively understand the genetic controls of DNA damage avoidance in response to acetaldehyde. We demonstrate that Atd1 functions as a major acetaldehyde detoxification enzyme that prevents accumulation of Rad52-DNA repair foci, while Atd2 and Atd3 have minor roles in acetaldehyde detoxification. We found that acetaldehyde causes DNA damage at the replication fork and activates the cell cycle checkpoint to coordinate cell cycle arrest with DNA repair. Our investigation suggests that acetaldehyde-mediated DNA adducts include interstrand-crosslinks and DNA-protein crosslinks. We also demonstrate that acetaldehyde activates multiple DNA repair pathways. Nucleotide excision repair and homologous recombination, which are both epistatically linked to the Fanconi anemia pathway, have major roles in acetaldehyde tolerance, while base excision repair and translesion synthesis also contribute to the prevention of acetaldehyde-dependent genomic instability. We also show the involvement of Wss1-related metalloproteases, Wss1 and Wss2, in acetaldehyde tolerance. These results indicate that acetaldehyde causes cellular stresses that require cells to coordinate multiple cellular processes in order to prevent genomic instability. Considering that acetaldehyde is a human carcinogen, our genetic studies serve as a guiding investigation into the mechanisms of acetaldehyde-dependent genomic instability and carcinogenesis.
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Affiliation(s)
- Chiaki Noguchi
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Grant Grothusen
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Vinesh Anandarajan
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Marta Martínez-Lage García
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Daniel Terlecky
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Krysten Corzo
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
| | - Katsunori Tanaka
- b Department of Bioscience , School of Science and Technology, Kwansei Gakuin University , Sanda , Japan
| | - Hiroshi Nakagawa
- c Gastroenterology Division, Department of Medicine, University of Pennsylvania Perelman School of Medicine , PA , USA
| | - Eishi Noguchi
- a Department of Biochemistry and Molecular Biology , Drexel University College of Medicine , Philadelphia , PA , USA
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96
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Castles S, Wainer Z, Jayasekara H. Risk factors for cancer in the Australian Aboriginal and Torres Strait Islander population: a systematic review. Aust J Prim Health 2016; 22:190-197. [PMID: 27118100 DOI: 10.1071/py15048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 10/07/2015] [Indexed: 11/23/2022]
Abstract
Cancer incidence in the Australian Aboriginal and Torres Strait Islander population is higher and survival lower compared with non-Indigenous Australians. A proportion of these cancers are potentially preventable if factors associated with carcinogenesis are known and successfully avoided. We conducted a systematic review of the published literature to examine risk factors for cancer in the Australian Aboriginal and Torres Strait Islander population. Electronic databases Medline, Web of Science and the Australian Aboriginal and Torres Strait Islander Health Bibliographic Index were searched through August 2014 using broad search terms. Studies reporting a measure of association between a risk factor and any cancer site in the Australian Aboriginal and Torres Strait Islander population were eligible for inclusion. Ten studies (1991-2014) were identified, mostly with small sample sizes, showing marked heterogeneity in terms of methods used to assess exposure and capture outcomes, and often using descriptive comparative analyses. Relatively young (as opposed to elderly) and geographically remote Aboriginal and Torres Strait Islanders were found to be at increased risk for selected cancers while most modifiable lifestyle and behavioural risk factors were rarely assessed. Further studies examining associations between potential risk factors and cancer will help define public health policy for cancer prevention in the Australian Aboriginal and Torres Strait Islander population.
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Affiliation(s)
- Simon Castles
- Peter MacCallum Cancer Centre, Locked Bag 1, A'Beckett Street, East Melbourne, Vic. 8006, Australia
| | - Zoe Wainer
- Peter MacCallum Cancer Centre, Locked Bag 1, A'Beckett Street, East Melbourne, Vic. 8006, Australia
| | - Harindra Jayasekara
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, 207 Bouverie Street, Carlton, Vic. 3010, Australia
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Abstract
Women, alcohol, and alcohol use disorders are underresearched topics when compared with the plethora of literature exploring male alcohol consumption and its related harms. It is time to change the fact that women are underrepresented in research and programs targeting alcohol use disorders. Given the changing patterns of alcohol consumption by women, coupled with the fact that women experience a telescoping effect in alcohol-related harms, it is time that increasing attention be paid to the way gender influences the experience of alcohol-related harms, including the development of alcohol use disorders. Recovery-orientated systems are not possible without the voices of the consumers being heard. With this in mind, the purposes of this article are to explore factors that lead to alcohol-related harm in women and to highlight the gender-specific barriers to service engagement.
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98
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Zhao M, Howard EW, Parris AB, Guo Z, Zhao Q, Yang X. Alcohol promotes migration and invasion of triple-negative breast cancer cells through activation of p38 MAPK and JNK. Mol Carcinog 2016; 56:849-862. [PMID: 27533114 DOI: 10.1002/mc.22538] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 08/05/2016] [Accepted: 08/15/2016] [Indexed: 12/26/2022]
Abstract
Although alcohol is an established breast cancer risk factor, the underlying mechanisms remain unclear. Previous studies examined the general association between alcohol consumption and breast cancer risk; however, the risk for different breast cancer subtypes has been rarely reported. Triple-negative breast cancer (TNBC) is a subtype of breast cancer lacking hormone receptors and HER2 expression, and having poor prognosis. Understanding the molecular mechanisms of TNBC etiology remains a significant challenge. In this study, we investigated cellular responses to alcohol in two TNBC cell lines, MDA-MB-231 and MDA-MB-468. Our results showed that alcohol at low concentrations (0.025-0.1% v/v) induced cell proliferation, migration, and invasion in 1% FBS-containing medium. Molecular analysis indicated that these phenotypic changes were associated with alcohol-induced reactive oxygen species production and increased p38 and JNK phosphorylation. Likewise, p38 or JNK inhibition attenuated alcohol-induced cell migration and invasion. We revealed that alcohol treatment activated/phosphorylated NF-κB regulators and increased transcription of NF-κB-targeted genes. While examining the role of acetaldehyde, the major alcohol metabolite, in alcohol-associated responses in TNBC cells, we saw that acetaldehyde induced cell migration, invasion, and increased phospho-p38, phospho-JNK, and phospho-IκBα in a pattern similar to alcohol treatment. Taken together, we established that alcohol promotes TNBC cell proliferation, migration, and invasion in vitro. The underlying mechanisms involve the induction of oxidative stress and the activation of NF-κB signaling. In particular, the activation of p38 and JNK plays a pivotal role in alcohol-induced cellular responses. These results will advance our understanding of alcohol-mediated development and promotion of TNBC. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Ming Zhao
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
| | - Erin W Howard
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
| | - Amanda B Parris
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
| | - Zhiying Guo
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
| | - Qingxia Zhao
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
| | - Xiaohe Yang
- Department of Biology, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Kannapolis, North Carolina
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99
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Evans-Polce RJ, Staff J, Maggs JL. Alcohol abstention in early adulthood and premature mortality: Do early life factors, social support, and health explain this association? Soc Sci Med 2016; 163:71-9. [PMID: 27404910 PMCID: PMC4970918 DOI: 10.1016/j.socscimed.2016.06.052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 06/22/2016] [Accepted: 06/28/2016] [Indexed: 01/29/2023]
Abstract
OBJECTIVE Adult alcohol abstainers have a heightened risk of premature mortality compared to light-to-moderate drinkers. We examine three plausible explanations, other than lack of alcohol, for this observed difference: Abstainers 1) have early life disadvantages that undermine long-term health; 2) lack social support; 3) are less healthy. METHOD In the National Child Development Study, an ongoing national British cohort study of individuals born in 1958, we investigated whether early life disadvantages, lack of social support, and poor physical health reduce or eliminate the elevated risk of mortality through age 51 among those abstaining from alcohol at age 33. Using Cox proportional hazard models in a stepwise approach we examined whether the alcohol-mortality relationship changed when potential confounders were included. RESULTS The risk of mortality by age 51 was greater among age-33 abstainers compared to light drinkers (Hazard Ratio [HR] = 2.18; 95% CI = 1.40, 3.40). Including early life disadvantages and social support in the hazard models did not alter these associations (HR = 2.12; 95% CI = 1.27, 3.54). Including physical health in the model resulted in a 25% reduction in risk of death among abstainers, though the difference in risk remained statistically significant (HR = 1.75; 95% CI = 1.04, 2.94). CONCLUSIONS Abstaining from alcohol in early adulthood, in comparison to light drinking, predicts increased risk for premature mortality, even after accounting for numerous early and young adult confounders. Future research should examine potential moderators of this association.
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Affiliation(s)
- Rebecca J Evans-Polce
- The Methodology Center and Prevention Research Center, Pennsylvania State University, University Park, PA, USA.
| | - Jeremy Staff
- Department of Sociology and Criminology, Pennsylvania State University, University Park, PA, USA
| | - Jennifer L Maggs
- Department of Human Development and Family Studies and Prevention Research Center, Pennsylvania State University, University Park, PA, USA
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Kromhout D, Spaaij CJK, de Goede J, Weggemans RM. The 2015 Dutch food-based dietary guidelines. Eur J Clin Nutr 2016; 70:869-78. [PMID: 27049034 PMCID: PMC5399142 DOI: 10.1038/ejcn.2016.52] [Citation(s) in RCA: 241] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 02/09/2016] [Accepted: 02/10/2016] [Indexed: 02/08/2023]
Abstract
The objective of this study was to derive food-based dietary guidelines for the Dutch population. The dietary guidelines are based on 29 systematic reviews of English language meta-analyses in PubMed summarizing randomized controlled trials and prospective cohort studies on nutrients, foods and food patterns and the risk of 10 major chronic diseases: coronary heart disease, stroke, heart failure, diabetes, breast cancer, colorectal cancer, lung cancer, chronic obstructive pulmonary disease, dementia and depression. The committee also selected three causal risk factors for cardiovascular diseases or diabetes: systolic blood pressure, low-density lipoprotein cholesterol and body weight. Findings were categorized as strong or weak evidence, inconsistent effects, too little evidence or effect unlikely for experimental and observational data separately. Next, the committee selected only findings with a strong level of evidence for deriving the guidelines. Convincing evidence was based on strong evidence from the experimental data either or not in combination with strong evidence from prospective cohort studies. Plausible evidence was based on strong evidence from prospective cohort studies only. A general guideline to eat a more plant food-based dietary pattern and limit consumption of animal-based food and 15 specific guidelines have been formulated. There are 10 new guidelines on legumes, nuts, meat, dairy produce, cereal products, fats and oils, tea, coffee and sugar-containing beverages. Three guidelines on vegetables, fruits, fish and alcoholic beverages have been sharpened, and the 2006 guideline on salt stayed the same. A separate guideline has been formulated on nutrient supplements. Completely food-based dietary guidelines can be derived in a systematic and transparent way.
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Affiliation(s)
- D Kromhout
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - C J K Spaaij
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - J de Goede
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - R M Weggemans
- The Health Council of the Netherlands, The Hague, The Netherlands
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