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Park B. Changes in weight and waist circumference during menopausal transition and postmenopausal breast cancer risk. Int J Cancer 2022; 150:1431-1438. [PMID: 34921731 DOI: 10.1002/ijc.33906] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 11/10/2021] [Accepted: 11/30/2021] [Indexed: 11/09/2022]
Abstract
Our study aimed to investigate the association between changes in weight and waist circumference (WC) during menopausal transition and breast cancer risk in Asian women. In total, 184 931 women aged 40 to 59 years with a premenopausal status at the first screening in 2009 to 2010 and a postmenopausal status at the second screening in 2011 to 2012 were included in the analysis. Changes in weight and WC during menopausal transition were classified as loss (>2.5 kg; >2.5 cm), stable (±2.5 kg; ±2.5 cm), and gain (2.5-4.9 kg, ≥5 kg; 2.5-4.9 cm, ≥5 cm). WC gain of 5 cm or more during menopausal transition was associated with an increased risk of breast cancer with an HR of 1.15 (95% CI = 1.01-1.30), compared to stable WC (±2.5 cm). Among obese premenopausal women, increased WC ≥5 cm during menopausal transition was associated with increased breast cancer risk with an HR of 1.22 (95% CI = 1.03-1.44). Similarly, in women with premenopausal WC ≥80 cm, increased WC of ≥5 cm during menopausal transition was likely to increase the breast cancer risk (HR = 1.36, 95% CI = 1.13-1.88) than in women with stable WC. However, in premenopausal women with BMI <23 kg/m2 or WC <80 cm, changes in WC during menopausal transition did not show an association. Weight gain during menopausal transition was not associated with the risk of breast cancer. Changes in central obesity during menopausal transition in combination with premenopausal obesity status are associated with breast cancer risk after menopause.
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Affiliation(s)
- Boyoung Park
- Department of Preventive Medicine, Hanyang University College of Medicine, Seoul, South Korea
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Amadou A, Praud D, Coudon T, Deygas F, Grassot L, Faure E, Couvidat F, Caudeville J, Bessagnet B, Salizzoni P, Gulliver J, Leffondré K, Severi G, Mancini FR, Fervers B. Risk of breast cancer associated with long-term exposure to benzo[a]pyrene (BaP) air pollution: Evidence from the French E3N cohort study. ENVIRONMENT INTERNATIONAL 2021; 149:106399. [PMID: 33503556 DOI: 10.1016/j.envint.2021.106399] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Benzo[a]pyrene (BaP) is an endocrine-disrupting pollutant formed during incomplete combustion of organic materials. It has been recognized as a reproductive and developmental toxicant, however epidemiological evidence of the long-term effect of ambient air BaP on breast cancer (BC) is limited. Thus we evaluated associations between ambient air BaP exposure and risk of BC, overall and according to menopausal status and molecular subtypes (estrogen receptor negative/positive (ER-/ER+) and progesterone receptor negative/positive (PR-/PR+)), stage and grade of differentiation of BC in the French E3N cohort study. METHODS Within a nested case-control study of 5222 incident BC cases and 5222 matched controls, annual BaP exposure was estimated using a chemistry-transport model (CHIMERE) and was assigned to the geocoded residential addresses of participants for each year during the 1990-2011 follow-up period. Multivariable conditional logistic regression models were used to estimate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS Overall, cumulative airborne BaP exposure was significantly associated with the overall risk of BC, for each 1 interquartile range (IQR) increase in the concentration levels of BaP (1.42 ng/m3), the OR = 1.15 (95% CI: 1.04-1.27). However, by menopausal status, the significant positive association remained only in women who underwent menopausal transition (i.e. premenopausal women at inclusion who became postmenopausal at diagnosis), OR per 1 IQR = 1.20 (95% CI: 1.03-1.40). By hormone receptor status, positive associations were observed for ER+, PR + and ER + PR + BC, with ORs = 1.17 (95% CI: 1.04-1.32), 1.16 (95% CI: 1.01-1.33), and 1.17 (95% CI: 1.01-1.36) per 1 IQR, respectively. There was also a borderline positive association between BaP and grade 3 BC (OR per 1 IQR = 1.15 (95% CI: 0.99-1.34). CONCLUSIONS We provide evidence of increased risk of BC associated with cumulative BaP exposure, which varied according to menopausal status, hormone receptor status, and grade of differentiation of BC. Our results add further epidemiological evidence to the previous experimental studies suggesting the adverse effects of BaP.
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Affiliation(s)
- Amina Amadou
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France
| | - Delphine Praud
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France
| | - Thomas Coudon
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France; Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, Ecully, France
| | - Floriane Deygas
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France
| | - Leny Grassot
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France
| | - Elodie Faure
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Centre de Recherche en Epidémiologie et Santé des Populations (CESP, Inserm U1018), Facultés de Médecine, Université Paris-Saclay, UPS UVSQ, Gustave Roussy, Villejuif, France
| | - Florian Couvidat
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France
| | - Julien Caudeville
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France
| | - Bertrand Bessagnet
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France; Citepa, Technical Reference Center for Air Pollution and Climate Change, Paris, France
| | - Pietro Salizzoni
- Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, Ecully, France
| | - John Gulliver
- Centre for Environmental Health and Sustainability, School of Geography, Geology and the Environment, University of Leicester, United Kingdom
| | - Karen Leffondré
- Université de Bordeaux, ISPED, Inserm U1219, Bordeaux Population Health Center, Bordeaux, France
| | - Gianluca Severi
- Centre de Recherche en Epidémiologie et Santé des Populations (CESP, Inserm U1018), Facultés de Médecine, Université Paris-Saclay, UPS UVSQ, Gustave Roussy, Villejuif, France; Departement of Statistics, Computer Science and Applications (DISIA), University of Florence, Italy
| | - Francesca Romana Mancini
- Centre de Recherche en Epidémiologie et Santé des Populations (CESP, Inserm U1018), Facultés de Médecine, Université Paris-Saclay, UPS UVSQ, Gustave Roussy, Villejuif, France.
| | - Béatrice Fervers
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon, France; Inserm UMR 1296 Radiations : Défense, Santé, Environnement, Lyon, France.
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Gribsholt SB, Pedersen L, Richelsen B, Thomsen RW. Validity of ICD-10 diagnoses of overweight and obesity in Danish hospitals. Clin Epidemiol 2019; 11:845-854. [PMID: 31572015 PMCID: PMC6748036 DOI: 10.2147/clep.s214909] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/15/2019] [Indexed: 12/12/2022] Open
Abstract
Purpose Health care databases may be a valuable source for epidemiological research in obesity, if diagnoses are valid. We examined the validity and completeness of International Classification of Diseases, 10th revision [ICD-10] diagnosis coding for overweight/obesity in Danish hospitals. Patients and methods We linked data from the Danish National Patient Registry on patients with a hospital diagnosis code of overweight/obesity (ICD-10 code E66) with computerized height and weight measurements made during hospital contacts in the Central Denmark Region Clinical Information System. We computed the positive predictive value (PPV) of the IDC-10 diagnosis of overweight/obesity, using a documented body mass index (BMI) ≥25 kg/m2 as gold standard. We also examined the completeness of obesity/overweight diagnosis coding among all patients recorded with BMI ≥25 kg/m2. Results Of all 19,672 patients registered with a first diagnosis code of overweight/obesity in the National Patient Registry, 17,351 patients (88.2%) had any BMI measurement recorded in the Central Denmark Region Clinical Information System, and 17,240 patients (87.6%) had a BMI ≥25 kg/m2, yielding a PPV of 87.6% (95% CI: 87.2-88.1). The PPV was slightly higher for primary diagnosis codes of overweight/obesity: 94.1% (95% CI: 93.3-94.8) than for secondary diagnosis codes: 86.1% (95% CI: 85.6-86.6). The PPV increased with higher patient age: from 75.3% (95% CI: 73.8-76.9) in those aged 18-29 years to 94.7% (95% CI: 92.6-96.9) in patients aged 80 years and above. Completeness of obesity/overweight diagnosis coding among patients recorded with BMI ≥25 kg/m2 was only 10.9% (95% CI: 10.8-11.0). Conclusion Our findings indicate a high validity of the ICD-10 code E66 for overweight/obesity when recorded; however, completeness of coding was low. Nonetheless, ICD-10 discharge codes may be a suitable source of data on overweight/obesity for epidemiological research.
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Affiliation(s)
- Sigrid Bjerge Gribsholt
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark.,Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Pedersen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Bjørn Richelsen
- The Steno Diabetes Centre Aarhus, Aarhus University Hospital, Aarhus, Denmark
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Torres SMPS, Nader HB, Simões RS, Baracat EC, Simões MDJ, Fuchs LFP, Soares JM, Gomes RCT. Concentration of sulfated glycosaminoglycans in the mammary tissue of female rats with the aging and about hormonal influence. Gynecol Endocrinol 2018; 34:64-68. [PMID: 28762851 DOI: 10.1080/09513590.2017.1336218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
It was to evaluate the concentration of sulfate glycosaminoglycans (GAG) in mammary tissue of the young and adult female rats and ovariectomized females rats after hormonal stimulation. For this purpose, 60 female rats were divided into six groups with 10 animals/each: nonovariectomized groups: G1 (5 months), and G2 (15 months) and ovariectomized groups: OG (vehicle); EG: (estradiol, 7 days of treatment), PG (progesterone acetate, 23 days of treatment) and EPG: (estradiol (7 days of treatment) and next progesterone acetate (23 days of treatment). Twenty-four hours after the last treatment, all animals were euthanized, the mammary tissue removed, processed for biochemical evaluation and quantification of the GAG. The comparison between groups showed that the concentration dermatan sulfate (DS) G1 was lower compared to G2, OG, EG (p < .05) and G2 was lower compared to OG (p < .05), and OG was higher compared to EG, GP, EPG (p < .05); and heparan sulfate (HS) G1 was higher compared to G2 (p < .05), and G2 was higher compared to OG, EP, PG and EPG (p < .05). These changes in the extracellular matrix might explain, at least in part, hormonal influence about sulfated glycosaminoglycans in response to physiological state/age, and in response to hormonal treatment in the mammary tissues.
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Affiliation(s)
- Sueli M P S Torres
- a Histology and Structural Biology Division of the Department of Morphology and Genetics , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Helena B Nader
- b Molecular Biology Division of the Department of Biochemistry , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Ricardo S Simões
- c Gynecology Division of the Department of Obstetrics and Gynecology , Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo , São Paulo , Brazil
| | - Edmund C Baracat
- c Gynecology Division of the Department of Obstetrics and Gynecology , Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo , São Paulo , Brazil
| | - Manuel de J Simões
- a Histology and Structural Biology Division of the Department of Morphology and Genetics , Universidade Federal de São Paulo , São Paulo , Brazil
- d Department of Gynecology , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Luiz F P Fuchs
- a Histology and Structural Biology Division of the Department of Morphology and Genetics , Universidade Federal de São Paulo , São Paulo , Brazil
| | - José Maria Soares
- c Gynecology Division of the Department of Obstetrics and Gynecology , Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo , São Paulo , Brazil
| | - Regina Célia T Gomes
- a Histology and Structural Biology Division of the Department of Morphology and Genetics , Universidade Federal de São Paulo , São Paulo , Brazil
- c Gynecology Division of the Department of Obstetrics and Gynecology , Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo , São Paulo , Brazil
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Vieira AT, Castelo PM, Ribeiro DA, Ferreira CM. Influence of Oral and Gut Microbiota in the Health of Menopausal Women. Front Microbiol 2017; 8:1884. [PMID: 29033921 PMCID: PMC5625026 DOI: 10.3389/fmicb.2017.01884] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 09/14/2017] [Indexed: 01/08/2023] Open
Abstract
Sex differences in gut microbiota are acknowledged, and evidence suggests that gut microbiota may have a role in higher incidence and/or severity of autoimmune diseases in females. Additionally, it has been suggested that oral, vaginal, and gut microbiota composition can be regulated by estrogen levels. The association of vaginal microbiota with vulvovaginal atrophy at menopause is well described in the literature. However, the relevance of oral and gut microbiota modulation in the immune system during estrogen deficiency and its effect on inflammatory diseases is not well explored. Estrogen deficiency is a condition that occurs in menopausal women, and it can last approximately 30 years of a woman’s life. The purpose of this mini- review is to highlight the importance of alterations in the oral and gut microbiota during estrogen deficiency and their effect on oral and inflammatory diseases that are associated with menopause. Considering that hormone replacement therapy is not always recommended or sufficient to prevent or treat menopause-related disease, we will also discuss the use of probiotics and prebiotics as an option for the prevention or treatment of these diseases.
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Affiliation(s)
- Angélica T Vieira
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Paula M Castelo
- Department of Pharmaceutics Sciences, Institute of Environmental, Chemical and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, Brazil.,Pathology Graduate Program, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Daniel A Ribeiro
- Pathology Graduate Program, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Biosciences, Universidade Federal de São Paulo, Santos, Brazil
| | - Caroline M Ferreira
- Department of Pharmaceutics Sciences, Institute of Environmental, Chemical and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, Brazil.,Pathology Graduate Program, Universidade Federal de São Paulo, São Paulo, Brazil
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