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Le NT, Phan CV, Pham YTH, Le PH, Dao HV, Nguyen LC, Yuan JM, Luu HN. Waterpipe Tobacco Smoking and Risk of Cancer Mortality. JAMA Oncol 2024:2821031. [PMID: 38990578 PMCID: PMC11240226 DOI: 10.1001/jamaoncol.2024.1939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 02/06/2024] [Indexed: 07/12/2024]
Abstract
Importance There has been an increasing trend of using noncigarette products, including waterpipe tobacco (WTP), worldwide. While cigarette smoking is a well-established risk factor for numerous cancers, little is known about the association between WTP smoking and cancer mortality. Objective To assess the association between WTP smoking and risk of cancer mortality in Vietnam. Design, Setting, and Participants This cohort study was based on data from the Hanoi Prospective Cohort Study, an ongoing study with a median (range) follow-up of 11.0 (0.1-11.6) years for participants aged 15 years or older in Northern Vietnam from 2007 through 2019. Data were analyzed from June 1 to September 1, 2023. Exposures Tobacco smoking and WTP smoking statuses. Main Outcomes and Measures Overall and site-specific cancer mortality. Cox proportional regression models were used to calculate the hazard ratio (HR) and 95% CIs for the associations between WTP smoking alone, cigarette smoking alone, and dual WTP and cigarette smoking and the risk of cancer death. Results A total of 554 cancer deaths were identified among the 39 401 study participants (mean [SD] age, 40.4 [18.8] years; 20 616 females [52.3%]). In multivariable models, compared with never smokers, ever smokers had a significantly increased risk of cancer mortality (HR, 1.87; 95% CI, 1.48-2.35). Exclusive WTP smokers had the highest risk of cancer mortality compared with never smokers (HR, 2.66; 95% CI, 2.07-3.43). Risk of cancer mortality was higher for dual smokers of WTP and cigarettes (HR, 2.06; 95% CI, 1.53-2.76) than for exclusive cigarette smokers (HR, 1.86; 95% CI, 1.41-2.45). As most smokers (95.6% [8897 of 9312]) were male, these patterns were more apparent in male participants. Compared with never smokers, exclusive WTP smoking among males was associated with an elevated risk of death from liver cancer (HR, 3.92; 95% CI, 2.25-6.85), lung cancer (HR, 3.49; 95% CI, 2.08-5.88), nasopharyngeal carcinoma (HR, 2.79; 95% CI, 1.27-6.12), and stomach cancer (HR, 4.11; 95% CI, 2.04-8.27). For exclusive WTP smokers, the risk of cancer mortality was highest among those who smoked 11 to 15 sessions per day (HR, 3.42; 95% CI, 2.03-5.75), started smoking at age 26 to 30 years (HR, 4.01; 95% CI, 2.63-6.11), smoked for 9 to 20 years (HR, 4.04; 95% CI, 2.16-7.56), and smoked 61 to 160 sessions annually (HR, 3.68; 95% CI, 2.38-5.71). For males, the risk of cancer death was lower for those who had quit smoking for more than 10 years, compared with those who quit smoking within 1 year (HR, 0.27; 95% CI, 0.11-0.66; P for trend < .001). Conclusion and Relevance In this cohort study in Vietnam, WTP smoking alone or in combination with cigarette smoking was associated with an increased risk of cancer death due to liver cancer, lung cancer, nasopharyngeal carcinoma, and stomach cancer. A tailored program to control WTP smoking is warranted in Vietnam and low- and middle-income countries with a high prevalence of smoking and modest resources to address smoking-related issues.
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Affiliation(s)
- Ngoan Tran Le
- Institute of Research and Development, Duy Tan University, Da Nang City, Vietnam
- Department of Occupational Health, Institute for Preventive Medicine and Public Health, Hanoi Medical University, Ha Noi City, Vietnam
- Center for Health Promotion and Research, Hanoi Prospective Cohort Study, Hanoi City, Vietnam
| | - Can Van Phan
- Center for Health Promotion and Research, Hanoi Prospective Cohort Study, Hanoi City, Vietnam
- Center for Population Health Sciences, Hanoi University of Public Health, Ha Noi City, Vietnam
| | - Yen Thi-Hai Pham
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Phuoc Hong Le
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Hang Viet Dao
- Department of Internal Medicine, Hanoi Medical University, Ha Noi City, Vietnam
| | - Long Cong Nguyen
- Gastroenterology and Hepatology Center, Bach Mai Hospital, Ha Noi City, Vietnam
| | - Jian-Min Yuan
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Hung N. Luu
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
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Plym A, Zhang Y, Stopsack KH, Ugalde-Morales E, Seibert TM, Conti DV, Haiman CA, Baras A, Stocks T, Drake I, Penney KL, Giovannucci E, Kibel AS, Wiklund F, Mucci LA. Early Prostate Cancer Deaths Among Men With Higher vs Lower Genetic Risk. JAMA Netw Open 2024; 7:e2420034. [PMID: 38958976 PMCID: PMC11222990 DOI: 10.1001/jamanetworkopen.2024.20034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/23/2024] [Indexed: 07/04/2024] Open
Abstract
Importance Prostate cancer, a leading cause of cancer death among men, urgently requires new prevention strategies, which may involve targeting men with an underlying genetic susceptibility. Objective To explore differences in risk of early prostate cancer death among men with higher vs lower genetic risk to inform prevention efforts. Design, Setting, and Participants This cohort study used a combined analysis of genotyped men without prostate cancer at inclusion and with lifestyle data in 2 prospective cohort studies in Sweden and the US, the Malmö Diet and Cancer Study (MDCS) and the Health Professionals Follow-Up Study (HPFS), followed up from 1991 to 2019. Data were analyzed between April 2023 and April 2024. Exposures Men were categorized according to modifiable lifestyle behaviors and genetic risk. A polygenic risk score above the median or a family history of cancer defined men at higher genetic risk (67% of the study population); the remaining men were categorized as being at lower genetic risk. Main Outcomes and Measures Prostate cancer death analyzed using time-to-event analysis estimating hazard ratios (HR), absolute risks, and preventable deaths by age. Results Among the 19 607 men included for analysis, the median (IQR) age at inclusion was 59.0 (53.0-64.7) years (MDCS) and 65.1 (58.0-71.8) years (HPFS). During follow-up, 107 early (by age 75 years) and 337 late (after age 75 years) prostate cancer deaths were observed. Compared with men at lower genetic risk, men at higher genetic risk had increased rates of both early (HR, 3.26; 95% CI, 1.82-5.84) and late (HR, 2.26; 95% CI, 1.70-3.01) prostate cancer death, and higher lifetime risks of prostate cancer death (3.1% vs 1.3% [MDCS] and 2.3% vs 0.6% [HPFS]). Men at higher genetic risk accounted for 94 of 107 early prostate cancer deaths (88%), of which 36% (95% CI, 12%-60%) were estimated to be preventable through adherence to behaviors associated with a healthy lifestyle (not smoking, healthy weight, high physical activity, and a healthy diet). Conclusions and Relevance In this 20-year follow-up study, men with a genetic predisposition accounted for the vast majority of early prostate cancer deaths, of which one-third were estimated to be preventable. This suggests that men at increased genetic risk should be targeted in prostate cancer prevention strategies.
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Affiliation(s)
- Anna Plym
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Urology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yiwen Zhang
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Konrad H. Stopsack
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston
| | - Emilio Ugalde-Morales
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Tyler M. Seibert
- Department of Radiation Medicine and Applied Sciences, Department of Radiology, and Department of Bioengineering, University of California San Diego, La Jolla
| | - David V. Conti
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles
| | - Christopher A. Haiman
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles
| | - Aris Baras
- Regeneron Genetics Center, Tarrytown, New York
| | - Tanja Stocks
- Department of Translational Medicine, Lund University, Malmö, Sweden
| | - Isabel Drake
- Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden
- Skåne University Hospital, Malmö, Sweden
| | - Kathryn L. Penney
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Edward Giovannucci
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Adam S. Kibel
- Department of Urology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Fredrik Wiklund
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Lorelei A. Mucci
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
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Pagadala MS, Lui A, Lynch J, Karunamuni R, Lee KM, Plym A, Rose BS, Carter H, Kibel AS, DuVall SL, Vassy J, Gaziano JM, Panizzon MS, Hauger RL, Seibert TM. Healthy lifestyle and prostate cancer risk in the Million Veteran Program. Cancer 2024. [PMID: 38865417 DOI: 10.1002/cncr.35434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 04/24/2024] [Accepted: 05/21/2024] [Indexed: 06/14/2024]
Abstract
BACKGROUND This study aims to assess the impact of healthy lifestyle on prostate cancer (PCa) risk in a diverse population. METHODS Data for 281,923 men from the Million Veteran Program (MVP), a nationwide, health system-based cohort study, were analyzed. Self-reported information at enrollment included smoking status, exercise, diet, family history of PCa, and race/ethnicity. Body mass index (BMI) was obtained from clinical records. Genetic risk was assessed via a validated polygenic score. Cox proportional hazards models were used to assess associations with PCa outcomes. RESULTS After accounting for ancestry, family history, and genetic risk, smoking was associated with an increased risk of metastatic PCa (hazard ratio [HR], 1.83; 95% confidence interval [CI], 1.64-2.02; p < 10-16) and fatal PCa (HR, 2.73; 95% CI, 2.36-3.25; p < 10-16). Exercise was associated with a reduced risk of fatal PCa (HR, 0.86; 95% CI, 0.76-0.98; p = .03). Higher BMI was associated with a slightly reduced risk of fatal PCa, and diet score was not independently associated with any end point. Association with exercise was strongest among those who had nonmetastatic PCa at MVP enrollment. Absolute reductions in the risk of fatal PCa via lifestyle factors were greatest among men of African ancestry (1.7% for nonsmokers vs. 6.1% for smokers) or high genetic risk (1.4% for nonsmokers vs. 4.3% for smokers). CONCLUSIONS Healthy lifestyle is minimally related to the overall risk of developing PCa but is associated with a substantially reduced risk of dying from PCa. In multivariable analyses, both exercise and not smoking remain independently associated with reduced metastatic and fatal PCa.
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Affiliation(s)
- Meghana S Pagadala
- Research Service, Veterans Affairs (VA) San Diego Healthcare System, San Diego, California, USA
- Medical Scientist Training Program, University of California San Diego, La Jolla, California, USA
- Biomedical Science Program, University of California San Diego, La Jolla, California, USA
| | - Asona Lui
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, California, USA
- Cancer Center, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Julie Lynch
- VA Informatics and Computing Infrastructure, VA Salt Lake City Healthcare System, Salt Lake City, Utah, USA
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Roshan Karunamuni
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, California, USA
| | - Kyung Min Lee
- VA Informatics and Computing Infrastructure, VA Salt Lake City Healthcare System, Salt Lake City, Utah, USA
| | - Anna Plym
- Department of Urology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Epidemiology, T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts, USA
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Brent S Rose
- Research Service, Veterans Affairs (VA) San Diego Healthcare System, San Diego, California, USA
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, California, USA
| | - Hannah Carter
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Adam S Kibel
- Department of Urology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Scott L DuVall
- VA Informatics and Computing Infrastructure, VA Salt Lake City Healthcare System, Salt Lake City, Utah, USA
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Jason Vassy
- VA Boston Healthcare System, Boston, Massachusetts, USA
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - J Michael Gaziano
- Massachusetts Veterans Epidemiology Research and Information Center, VA Boston Healthcare System, Boston, Massachusetts, USA
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Matthew S Panizzon
- Research Service, Veterans Affairs (VA) San Diego Healthcare System, San Diego, California, USA
- Center for Behavioral Genetics of Aging, University of California San Diego, La Jolla, California, USA
| | - Richard L Hauger
- Research Service, Veterans Affairs (VA) San Diego Healthcare System, San Diego, California, USA
- Center for Behavioral Genetics of Aging, University of California San Diego, La Jolla, California, USA
- Center of Excellence for Stress and Mental Health, VA San Diego Healthcare System, San Diego, California, USA
| | - Tyler M Seibert
- Research Service, Veterans Affairs (VA) San Diego Healthcare System, San Diego, California, USA
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, California, USA
- Department of Radiology, University of California San Diego, La Jolla, California, USA
- Department of Bioengineering, University of California San Diego, La Jolla, California, USA
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He H, Liang L, Tian T, Zhang X, Lyu J. Effect of smoking on prostate cancer: Results from the National Health and Nutrition Examination Survey 2003-2018 and Mendelian randomization analyses. Tob Induc Dis 2024; 22:TID-22-100. [PMID: 38835514 PMCID: PMC11149497 DOI: 10.18332/tid/189199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024] Open
Abstract
INTRODUCTION The controversial relationship between smoking and prostate cancer (PCa) risk prompted us to conduct a cross-sectional study using the National Health and Nutrition Examination Survey (NHANES) database and apply Mendelian randomization (MR) analyses in order to clarify the possible causal effect of smoking on PCa risk. METHODS Using univariate and multivariate logistic regression methods, a secondary analysis of the pooled 2003-2018 NHANES dataset was performed to explore the association between smoking and PCa risk. Propensity-score matching was used to reduce selection bias. Then, we conducted subsequent MR analysis study to investigate the potential causal effect of smoking on PCa risk, with genetic variants of four exposure factors including the lifetime smoking index, light smoking, smoking initiation, and the amount of smoking per day obtained from genome-wide association studies, and PCa summary statistics obtained from three database populations. Inverse-variance weighting was the primary analytical method, and weighted median and MR-Egger regression were used for sensitivity analyses. The MR results for the three PCa databases were combined using meta-analysis. RESULTS The study included 16073 NHANES subjects, comprising 554 with PCa and 15519 without PCa. Logistic regression before and after matching did not reveal any significant association. Meta-analysis of the MR results also did not support an association of PCa risk with lifetime smoking index (OR=0.95; 95% CI: 0.83-1.09), light smoking (OR=1.00; 95% CI: 0.95-1.06), smoking initiation (OR=0.99, 95% CI=0.99-1.00), or the amount of smoking per day (OR=1.00; 95% CI: 0.99-1.00) and PCa risk. CONCLUSIONS There was no evidence for an association between smoking and the risk of PCa. Further studies are needed to determine if there are any associations of other forms of smoking with the risk of PCa at different stages.
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Affiliation(s)
- Hairong He
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Liang Liang
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Tao Tian
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoyu Zhang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jun Lyu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, China
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Wu X, Hu C, Wu T, Du X, Peng Z, Xue W, Chen Y, Dong L. Mendelian randomization evidence based on European ancestry for the causal effects of leukocyte telomere length on prostate cancer. Hum Genomics 2024; 18:56. [PMID: 38831447 PMCID: PMC11145789 DOI: 10.1186/s40246-024-00622-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 05/15/2024] [Indexed: 06/05/2024] Open
Abstract
BACKGROUND Several lines of evidence suggest that leukocyte telomere length (LTL) can affect the development of prostate cancer (PC). METHODS Here, we employed single nucleoside polymorphisms (SNPs) as instrumental variables (IVs) for LTL (n = 472,174) and conducted Mendelian randomization analysis to estimate their causal impact on PCs (79,148 patients/61,106 controls and 6311 patients/88,902 controls). RESULTS Every 1-s.d extension of LTL increased the risk of PCs by 34%. Additionally, the analysis of candidate mediators between LTL and PCs via two-step Mendelian randomization revealed that among the 23 candidates, Alzheimer's disease, liver iron content, sex hormone binding global levels, naive CD4-CD8-T cell% T cell, and circulating leptin levels played substantial mediating roles. There is no robust evidence to support the reverse causal relationship between LTL and the selected mediators of PCs. Adjusting for the former four mediators, rather than adjusting for circulating leptin levels, decreased the impact of LTL on PCs. CONCLUSION This study provides potential intervention measures for preventing LTL-induced PCs.
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Affiliation(s)
- Xinrui Wu
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Cong Hu
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Tianyang Wu
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Xinxing Du
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Zehong Peng
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Wei Xue
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
| | - Yonghui Chen
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
| | - Liang Dong
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
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Ellis ET, Fairman BJ, Stahr SD, Bensen JT, Mohler JL, Song L, Butler EN, Su LJ, Hsu PC. Cigarette smoking and prostate cancer aggressiveness among African and European American men. Cancer Causes Control 2024:10.1007/s10552-024-01883-3. [PMID: 38758522 DOI: 10.1007/s10552-024-01883-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 04/15/2024] [Indexed: 05/18/2024]
Abstract
PURPOSE Smoking is a modifiable lifestyle factor that has not been established as a prostate cancer risk factor, nor emphasized in prostate cancer prevention. Studies have shown that African American (AA) smokers have a poorer cancer prognosis than European Americans (EAs), while having a lower prevalence of heavy smoking. We examined the relationship between cigarette smoking and prostate cancer aggressiveness and assessed racial differences in smoking habits on the probability of high-aggressive prostate cancer. METHODS Using data from the North Carolina-Louisiana Prostate Cancer Project (n = 1,279), prostate cancer aggressiveness was defined as high or low based on Gleason scores, serum prostate-specific antigen levels, and tumor stage. Cigarette smoking was categorized as current, former, or never smokers. Multivariable logistic regression was used to estimate adjusted odds ratios (OR) and 95% confidence intervals (CI). RESULTS Self-reported current (OR = 1.99; 95% CI 1.30-3.06) smoking was associated with high-aggressive prostate cancer relative to never smokers. When stratified by self-reported race, the odds of having high-aggressive cancer increased among AA current (OR = 3.58; 95% CI 2.04-6.28) and former smokers (OR = 2.21; 95% CI 1.38-3.53) compared to AA never smokers, but the odds were diminished among the EA stratum (Pself-reported race x smoking status = 0.003). CONCLUSION Cigarette smoking is associated with prostate cancer aggressiveness, a relationship modulated by self-reported race. Future research is needed to investigate types of cigarettes smoked and metabolic differences that may be contributing to the racial disparities observed.
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Affiliation(s)
- Edgar T Ellis
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, 4301 W Markham St., #820, Little Rock, AR, 72205-7190, USA
| | - Brian J Fairman
- Department of Epidemiology, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Shelbie D Stahr
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, 4301 W Markham St., #820, Little Rock, AR, 72205-7190, USA
| | - Jeannette T Bensen
- Lineberger Comprehensive Cancer Center and Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - James L Mohler
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Lixin Song
- School of Nursing & Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX, 78229, USA
| | - Eboneé N Butler
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - L Joseph Su
- Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Ping-Ching Hsu
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, 4301 W Markham St., #820, Little Rock, AR, 72205-7190, USA.
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Went M, Sud A, Mills C, Hyde A, Culliford R, Law P, Vijayakrishnan J, Gockel I, Maj C, Schumacher J, Palles C, Kaiser M, Houlston R. Phenome-wide Mendelian randomisation analysis of 378,142 cases reveals risk factors for eight common cancers. Nat Commun 2024; 15:2637. [PMID: 38527997 PMCID: PMC10963765 DOI: 10.1038/s41467-024-46927-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 03/08/2024] [Indexed: 03/27/2024] Open
Abstract
For many cancers there are only a few well-established risk factors. Here, we use summary data from genome-wide association studies (GWAS) in a Mendelian randomisation (MR) phenome-wide association study (PheWAS) to identify potentially causal relationships for over 3,000 traits. Our outcome datasets comprise 378,142 cases across breast, prostate, colorectal, lung, endometrial, oesophageal, renal, and ovarian cancers, as well as 485,715 controls. We complement this analysis by systematically mining the literature space for supporting evidence. In addition to providing supporting evidence for well-established risk factors (smoking, alcohol, obesity, lack of physical activity), we also find sex steroid hormones, plasma lipids, and telomere length as determinants of cancer risk. A number of the molecular factors we identify may prove to be potential biomarkers. Our analysis, which highlights aetiological similarities and differences in common cancers, should aid public health prevention strategies to reduce cancer burden. We provide a R/Shiny app to visualise findings.
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Affiliation(s)
- Molly Went
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK.
| | - Amit Sud
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
- Centre for Immuno-Oncology, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Charlie Mills
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Abi Hyde
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Department of Engineering, University of Cambridge, Cambridge, UK
| | - Richard Culliford
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Philip Law
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | | | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Carlo Maj
- Center for Human Genetics, University Hospital of Marburg, Marburg, Germany
| | | | - Claire Palles
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Martin Kaiser
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- The Royal Marsden Hospital NHS Foundation Trust, London, UK
| | - Richard Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
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Cui H, Zhang W, Zhang L, Qu Y, Xu Z, Tan Z, Yan P, Tang M, Yang C, Wang Y, Chen L, Xiao C, Zou Y, Liu Y, Zhang L, Yang Y, Yao Y, Li J, Liu Z, Yang C, Jiang X, Zhang B. Risk factors for prostate cancer: An umbrella review of prospective observational studies and mendelian randomization analyses. PLoS Med 2024; 21:e1004362. [PMID: 38489391 PMCID: PMC10980219 DOI: 10.1371/journal.pmed.1004362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 03/29/2024] [Accepted: 02/16/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND The incidence of prostate cancer is increasing in older males globally. Age, ethnicity, and family history are identified as the well-known risk factors for prostate cancer, but few modifiable factors have been firmly established. The objective of this study was to identify and evaluate various factors modifying the risk of prostate cancer reported in meta-analyses of prospective observational studies and mendelian randomization (MR) analyses. METHODS AND FINDINGS We searched PubMed, Embase, and Web of Science from the inception to January 10, 2022, updated on September 9, 2023, to identify meta-analyses and MR studies on prostate cancer. Eligibility criteria for meta-analyses were (1) meta-analyses including prospective observational studies or studies that declared outcome-free at baseline; (2) evaluating the factors of any category associated with prostate cancer incidence; and (3) providing effect estimates for further data synthesis. Similar criteria were applied to MR studies. Meta-analysis was repeated using the random-effects inverse-variance model with DerSimonian-Laird method. Quality assessment was then conducted for included meta-analyses using AMSTAR-2 tool and for MR studies using STROBE-MR and assumption evaluation. Subsequent evidence grading criteria for significant associations in meta-analyses contained sample size, P values and 95% confidence intervals, 95% prediction intervals, heterogeneity, and publication bias, assigning 4 evidence grades (convincing, highly suggestive, suggestive, or weak). Significant associations in MR studies were graded as robust, probable, suggestive, or insufficient considering P values and concordance of effect directions. Finally, 92 selected from 411 meta-analyses and 64 selected from 118 MR studies were included after excluding the overlapping and outdated studies which were published earlier and contained fewer participants or fewer instrument variables for the same exposure. In total, 123 observational associations (45 significant and 78 null) and 145 causal associations (55 significant and 90 null) were categorized into lifestyle; diet and nutrition; anthropometric indices; biomarkers; clinical variables, diseases, and treatments; and environmental factors. Concerning evidence grading on significant associations, there were 5 highly suggestive, 36 suggestive, and 4 weak associations in meta-analyses, and 10 robust, 24 probable, 4 suggestive, and 17 insufficient causal associations in MR studies. Twenty-six overlapping factors between meta-analyses and MR studies were identified, with consistent significant effects found for physical activity (PA) (occupational PA in meta: OR = 0.87, 95% CI: 0.80, 0.94; accelerator-measured PA in MR: OR = 0.49, 95% CI: 0.33, 0.72), height (meta: OR = 1.09, 95% CI: 1.06, 1.12; MR: OR = 1.07, 95% CI: 1.01, 1.15, for aggressive prostate cancer), and smoking (current smoking in meta: OR = 0.74, 95% CI: 0.68, 0.80; smoking initiation in MR: OR = 0.91, 95% CI: 0.86, 0.97). Methodological limitation is that the evidence grading criteria could be expanded by considering more indices. CONCLUSIONS In this large-scale study, we summarized the associations of various factors with prostate cancer risk and provided comparisons between observational associations by meta-analysis and genetically estimated causality by MR analyses. In the absence of convincing overlapping evidence based on the existing literature, no robust associations were identified, but some effects were observed for height, physical activity, and smoking.
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Affiliation(s)
- Huijie Cui
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wenqiang Zhang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Li Zhang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yang Qu
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhengxing Xu
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhixin Tan
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Peijing Yan
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Mingshuang Tang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chao Yang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yutong Wang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Chen
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chenghan Xiao
- Department of Maternal, Child and Adolescent Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Yanqiu Zou
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yunjie Liu
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ling Zhang
- Department of Iatrical Polymer Material and Artificial Apparatus, School of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Yanfang Yang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuqin Yao
- Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Jiayuan Li
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhenmi Liu
- Department of Maternal, Child and Adolescent Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Chunxia Yang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xia Jiang
- Department of Epidemiology and Biostatistics, Institute of Systems Epidemiology, and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Ben Zhang
- Hainan General Hospital and Hainan Affiliated Hospital, Hainan Medical University, Haikou, China; West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
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9
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Fan L, Wang H, Ben S, Cheng Y, Chen S, Ding Z, Zhao L, Li S, Wang M, Cheng G. Genetic variant in a BaP-activated super-enhancer increases prostate cancer risk by promoting AhR-mediated FAM227A expression. J Biomed Res 2024; 38:149-162. [PMID: 38410974 PMCID: PMC11001591 DOI: 10.7555/jbr.37.20230049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 02/28/2024] Open
Abstract
Genetic variants in super-enhancers (SEs) are increasingly implicated as a disease risk-driving mechanism. Previous studies have reported an associations between benzo[a]pyrene (BaP) exposure and some malignant tumor risk. Currently, it is unclear whether BaP is involved in the effect of genetic variants in SEs on prostate cancer risk, nor the associated intrinsic molecular mechanisms. In the current study, by using logistic regression analysis, we found that rs5750581T>C in 22q-SE was significantly associated with prostate cancer risk (odds ratio = 1.26, P = 7.61 × 10 -5). We also have found that the rs6001092T>G, in a high linkage disequilibrium with rs5750581T>C ( r 2 = 0.98), is located in a regulatory aryl hydrocarbon receptor (AhR) motif and may interact with the FAM227A promoter in further bioinformatics analysis. We then performed a series of functional and BaP acute exposure experiments to assess biological function of the genetic variant and the target gene. Biologically, the rs6001092-G allele strengthened the transcription factor binding affinity to AhR, thereby upregulating FAM227A, especially upon exposure to BaP, which induced the malignant phenotypes of prostate cancer. The current study highlights that AhR acts as an environmental sensor of BaP and is involved in the SE-mediated prostate cancer risk, which may provide new insights into the etiology of prostate cancer associated with the inherited SE variants under environmental carcinogen stressors.
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Affiliation(s)
- Lulu Fan
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Hao Wang
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Shuai Ben
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yifei Cheng
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Silu Chen
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Zhutao Ding
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Lingyan Zhao
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Shuwei Li
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Meilin Wang
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Gong Cheng
- Department of Urology, the First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, Jiangsu 210029, China
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10
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Liu IT, Gu L, De Hoedt AM, Cooperberg MR, Amling CL, Kane CJ, Klaassen Z, Terris MK, Guerrios-Rivera L, Vidal AC, Aronson WJ, Freedland SJ, Csizmadi I. Are associations between obesity and prostate cancer outcomes following radical prostatectomy the same in smokers and non-smokers? Results from the SEARCH Cohort. Cancer Causes Control 2023; 34:983-993. [PMID: 37405681 DOI: 10.1007/s10552-023-01747-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 06/26/2023] [Indexed: 07/06/2023]
Abstract
PURPOSE Obesity and smoking have been associated with poor prostate cancer (PC) outcomes. We investigated associations between obesity and biochemical recurrence (BCR), metastasis, castrate resistant-PC (CRPC), PC-specific mortality (PCSM), and all-cause mortality (ACM) and examined if smoking modified these associations. METHODS We analyzed SEARCH Cohort data from men undergoing RP between 1990 and 2020. Cox regression models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for associations between body mass index (BMI) as a continuous variable and weight status classifications (normal: 18.5 ≤ 25 kg/m2; overweight: 25-29.9 kg/m2; obese: ≥ 30 kg/m2) and PC outcomes. RESULTS Among 6,241 men, 1,326 (21%) were normal weight, 2,756 (44%) overweight and 2159 (35%) obese; 1,841 (30%) were never-smokers, 2,768 (44%) former and 1,632 (26%) current-smokers. Among all men, obesity was associated with non-significant increased risk of PCSM, adj-HR = 1.71; 0.98-2.98, P = 0.057, while overweight and obesity were inversely associated with ACM, adj-HR = 0.75; 0.66-0.84, P < 0.001 and adj-HR = 0.86; 0.75-0.99, P = 0.033, respectively. Other associations were null. BCR and ACM were stratified for smoking status given evidence for interactions (P = 0.048 and P = 0.054, respectively). Among current-smokers, overweight was associated with an increase in BCR (adj-HR = 1.30; 1.07-1.60, P = 0.011) and a decrease in ACM (adj-HR = 0.70; 0.58-0.84, P < 0.001). Among never-smokers, BMI (continuous) was associated with an increase in ACM (adj-HR = 1.03; 1.00-1.06, P = 0.033). CONCLUSIONS While our results are consistent with obesity as a risk factor for PCSM, we present evidence of effect modification by smoking for BCR and ACM highlighting the importance of stratifying by smoking status to better understand associations with body weight.
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Affiliation(s)
- Ivy T Liu
- Durham VA Healthcare System, Durham, NC, USA.
| | - Lin Gu
- Durham VA Healthcare System, Durham, NC, USA
| | | | - Matthew R Cooperberg
- San Francisco VA Medical Center, San Francisco, CA, USA
- Department of Urology, UCSF Medical Center, San Francisco, CA, USA
| | | | - Christopher J Kane
- San Diego VA Healthcare System, San Diego, CA, USA
- Department of Urology, UC San Diego Health System, San Diego, CA, USA
| | - Zachary Klaassen
- Department of Surgery, Section of Urology, Augusta University-Medical College of Georgia, Augusta, GA, USA
| | - Martha K Terris
- Department of Surgery, Section of Urology, Augusta University-Medical College of Georgia, Augusta, GA, USA
- Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Lourdes Guerrios-Rivera
- Caribbean VA Healthcare System, San Juan, PR, USA
- Department of Surgery, University of Puerto Rico, San Juan, PR, USA
| | - Adriana C Vidal
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - William J Aronson
- West Los Angeles VA Medical Center, Los Angeles, CA, USA
- Department of Urology, UCLA Medical Center, Los Angeles, CA, USA
| | - Stephen J Freedland
- Durham VA Healthcare System, Durham, NC, USA
- Department of Surgery, Division of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Ilona Csizmadi
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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11
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Sergeyev A, Gu L, De Hoedt AM, Amling CL, Aronson WJ, Cooperberg MR, Kane CJ, Klaassen Z, Terris MK, Guerrios-Rivera L, Freedland SJ, Csizmadi I. Diabetes and Prostate Cancer Outcomes in Men with Nonmetastatic Castration-Resistant Prostate Cancer: Results from the SEARCH Cohort. Cancer Epidemiol Biomarkers Prev 2023; 32:1208-1216. [PMID: 37294698 PMCID: PMC10529387 DOI: 10.1158/1055-9965.epi-22-1324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/27/2023] [Accepted: 06/07/2023] [Indexed: 06/11/2023] Open
Abstract
BACKGROUND The prognosis of diabetic men with advanced prostate cancer is poorly understood and understudied. Hence, we studied associations between diabetes and progression to metastases, prostate cancer-specific mortality (PCSM) and all-cause mortality (ACM) in men with nonmetastatic castration-resistant prostate cancer (nmCRPC). METHODS Data from men diagnosed with nmCRPC between 2000 and 2017 at 8 Veterans Affairs Health Care Centers were analyzed using Cox regression to determine HRs and 95% confidence intervals (CI) for associations between diabetes and outcomes. Men with diabetes were classified according to: (i) ICD-9/10 codes only, (ii) two HbA1c values > 6.4% (missing ICD-9/10 codes), and (iii) all diabetic men [(i) and (ii) combined]. RESULTS Of 976 men (median age: 76 years), 304 (31%) had diabetes at nmCRPC diagnosis, of whom 51% had ICD-9/10 codes. During a median follow-up of 6.5 years, 613 men were diagnosed with metastases, and 482 PCSM and 741 ACM events occurred. In multivariable-adjusted models, ICD-9/10 code-identified diabetes was inversely associated with PCSM (HR, 0.67; 95% CI, 0.48-0.92) while diabetes identified by high HbA1c values (no ICD-9/10 codes) was associated with an increase in ACM (HR, 1.41; 95% CI, 1.16-1.72). Duration of diabetes, prior to CRPC diagnosis was inversely associated with PCSM among men identified by ICD-9/10 codes and/or HbA1c values (HR, 0.93; 95% CI, 0.88-0.98). CONCLUSIONS In men with late-stage prostate cancer, ICD-9/10 'code-identified' diabetes is associated with better overall survival than 'undiagnosed' diabetes identified by high HbA1c values only. IMPACT Our data suggest that better diabetes detection and management may improve survival in late-stage prostate cancer.
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Affiliation(s)
- Andrei Sergeyev
- Durham Veterans Affairs Health Care System, Durham, North Carolina, USA
| | - Lin Gu
- Durham Veterans Affairs Health Care System, Durham, North Carolina, USA
| | | | | | | | - Matthew R. Cooperberg
- University of California San Francisco Medical Center, San Francisco, California, USA
| | - Christopher J. Kane
- University of California San Diego Health System, San Diego, California, USA
| | | | | | | | - Stephen J. Freedland
- Durham Veterans Affairs Health Care System, Durham, North Carolina, USA
- Cedars-Sinai Medical Center, Los Angeles, California, USA
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12
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Nolazco JI, Mucci LA, Sosnowski R, Przewoźniak K, Chang SL, De Nunzio C. Relationship between cigarette use and prostate cancer risk: what do we know and what should we do? Prostate Cancer Prostatic Dis 2023; 26:516-518. [PMID: 37087528 DOI: 10.1038/s41391-023-00671-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/24/2023]
Affiliation(s)
- José Ignacio Nolazco
- Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Servicio de Urología, Hospital Universitario Austral, Universidad Austral, Pilar, Argentina.
| | - Lorelei A Mucci
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Roman Sosnowski
- Department of Urogenital Cancer, Maria Skłodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Krzysztof Przewoźniak
- Department of Cancer Epidemiology and Primary Prevention, Maria Skłodowska Curie National Research Institute of Oncology, Warsaw, Poland
- Global Institute of Family Health, Calisia University, Calisia, Poland
| | - Steven L Chang
- Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Cosimo De Nunzio
- Department of Urology, Sant'Andrea Hospital, Sapienza University, Rome, Italy
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13
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Baghery F, Lau LDW, Mohamadi M, Vazirinejad R, Ahmadi Z, Javedani H, Eslami H, Nazari A. Risk of urinary tract cancers following arsenic exposure and tobacco smoking: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:5579-5598. [PMID: 37248359 DOI: 10.1007/s10653-023-01627-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/18/2023] [Indexed: 05/31/2023]
Abstract
Bladder cancer, prostate cancer, and kidney cancer, due to their high morbidity and mortality rates, result in significant economic and health care costs. Arsenic exposure affects the drinking water of millions of people worldwide. Long-term exposure to arsenic, even in low concentrations, increases the risk of developing various cancers. Smoking is also one of the leading causes of bladder, prostate and kidney cancers. Accordingly, this research reviews the relationship between arsenic exposure and smoking with three kinds of urinary tract cancers (bladder cancer, prostate cancer, and kidney cancer) due to their widespread concern for their negative impact on public health globally. In this review, we have gathered the most current information from scientific databases [PubMed, Scopus, Google Scholar, ISI web of science] regarding the relationship between arsenic exposure and tobacco smoking with the risk of bladder, prostate, and kidney cancer. In several studies, a significant relationship was determined between the incidence and mortality rate of the above-mentioned cancers in humans with arsenic exposure and tobacco smoking. The decrease or cessation of smoking and consumption of arsenic-free water significantly declined the incidence of bladder, prostate, and kidney cancers.
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Affiliation(s)
- Fatemeh Baghery
- Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | | | - Maryam Mohamadi
- Occupational Safety and Health Research Center, NICICO, WorldSafety Organization and Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Reza Vazirinejad
- Social Determinants of Health Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Zahra Ahmadi
- Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hossein Javedani
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hadi Eslami
- Occupational Safety and Health Research Center, NICICO, WorldSafety Organization and Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Alireza Nazari
- Social Determinants of Health Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
- Department of Surgery, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
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14
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Bergengren O, Pekala KR, Matsoukas K, Fainberg J, Mungovan SF, Bratt O, Bray F, Brawley O, Luckenbaugh AN, Mucci L, Morgan TM, Carlsson SV. 2022 Update on Prostate Cancer Epidemiology and Risk Factors-A Systematic Review. Eur Urol 2023; 84:191-206. [PMID: 37202314 PMCID: PMC10851915 DOI: 10.1016/j.eururo.2023.04.021] [Citation(s) in RCA: 81] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/29/2023] [Accepted: 04/20/2023] [Indexed: 05/20/2023]
Abstract
CONTEXT Prostate cancer (PCa) is one of the most common cancers worldwide. Understanding the epidemiology and risk factors of the disease is paramount to improve primary and secondary prevention strategies. OBJECTIVE To systematically review and summarize the current evidence on the descriptive epidemiology, large screening studies, diagnostic techniques, and risk factors of PCa. EVIDENCE ACQUISITION PCa incidence and mortality rates for 2020 were obtained from the GLOBOCAN database of the International Agency for Research on Cancer. A systematic search was performed in July 2022 using PubMed/MEDLINE and EMBASE biomedical databases. The review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines and was registered in PROSPERO (CRD42022359728). EVIDENCE SYNTHESIS Globally, PCa is the second most common cancer, with the highest incidence in North and South America, Europe, Australia, and the Caribbean. Risk factors include age, family history, and genetic predisposition. Additional factors may include smoking, diet, physical activity, specific medications, and occupational factors. As PCa screening has become more accepted, newer approaches such as magnetic resonance imaging (MRI) and biomarkers have been implemented to identify patients who are likely to harbor significant tumors. Limitations of this review include the evidence being derived from meta-analyses of mostly retrospective studies. CONCLUSIONS PCa remains the second most common cancer among men worldwide. PCa screening is gaining acceptance and will likely reduce PCa mortality at the cost of overdiagnosis and overtreatment. Increasing use of MRI and biomarkers for the detection of PCa may mitigate some of the negative consequences of screening. PATIENT SUMMARY Prostate cancer (PCa) remains the second most common cancer among men, and screening for PCa is likely to increase in the future. Improved diagnostic techniques can help reduce the number of men who need to be diagnosed and treated to save one life. Avoidable risk factors for PCa may include factors such as smoking, diet, physical activity, specific medications, and certain occupations.
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Affiliation(s)
- Oskar Bergengren
- Department of Surgery (Urology Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
| | - Kelly R Pekala
- Department of Surgery (Urology Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Jonathan Fainberg
- Department of Surgery (Urology Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sean F Mungovan
- Westmead Private Physiotherapy Services and The Clinical Research Institute, Westmead Private Hospital, Sydney, Australia
| | - Ola Bratt
- Department of Urology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Freddie Bray
- Cancer Surveillance Branch, International Agency for Research on Cancer, Lyon, France
| | - Otis Brawley
- Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | | | - Lorelei Mucci
- Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Todd M Morgan
- Department of Urology, University of Michigan, Ann Arbor, MI, USA
| | - Sigrid V Carlsson
- Department of Surgery (Urology Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA; Department of Urology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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15
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Dovey Z, Horowitz A, Waingankar N. The influence of lifestyle changes (diet, exercise and stress reduction) on prostate cancer tumour biology and patient outcomes: A systematic review. BJUI COMPASS 2023; 4:385-416. [PMID: 37334023 PMCID: PMC10268595 DOI: 10.1002/bco2.237] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/05/2023] [Indexed: 06/20/2023] Open
Abstract
Background The mostly indolent natural history of prostate cancer (PCa) provides an opportunity for men to explore the benefits of lifestyle interventions. Current evidence suggests appropriate changes in lifestyle including diet, physical activity (PA) and stress reduction with or without dietary supplements may improve both disease outcomes and patient's mental health. Objective This article aims to review the current evidence on the benefits of all lifestyle programmes for PCa patients including those aimed at reducing obesity and stress, explore their affect on tumour biology and highlight any biomarkers that have clinical utility. Evidence acquisition Evidence was obtained from PubMed and Web of Science using keywords for each section on the affects of lifestyle interventions on (a) mental health, (b) disease outcomes and (c) biomarkers in PCa patients. PRISMA guidelines were used to gather the evidence for these three sections (15, 44 and 16 publications, respectively). Evidence synthesis For lifestyle studies focused on mental health, 10/15 demonstrated a positive influence, although for those programmes focused on PA it was 7/8. Similarly for oncological outcomes, 26/44 studies demonstrated a positive influence, although when PA was included or the primary focus, it was 11/13. Complete blood count (CBC)-derived inflammatory biomarkers show promise, as do inflammatory cytokines; however, a deeper understanding of their molecular biology in relation to PCa oncogenesis is required (16 studies reviewed). Conclusions Making PCa-specific recommendations on lifestyle interventions is difficult on the current evidence. Nevertheless, notwithstanding the heterogeneity of patient populations and interventions, the evidence that dietary changes and PA may improve both mental health and oncological outcomes is compelling, especially for moderate to vigorous PA. The results for dietary supplements are inconsistent, and although some biomarkers show promise, significantly more research is required before they have clinical utility.
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Affiliation(s)
- Zach Dovey
- Mount Sinai Health System, Department of UrologyIcahn Medical SchoolNew YorkNew YorkUSA
| | - Amir Horowitz
- Icahn School of MedicineThe Mount Sinai HospitalNew YorkNew YorkUSA
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16
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Yang X, Chen H, Zhang S, Chen X, Sheng Y, Pang J. Association of cigarette smoking habits with the risk of prostate cancer: a systematic review and meta-analysis. BMC Public Health 2023; 23:1150. [PMID: 37316851 DOI: 10.1186/s12889-023-16085-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 06/09/2023] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND Association of cigarette smoking habits with the risk of prostate cancer is still a matter of debate. This systematic review and meta-analysis aimed to assess the association between cigarette smoking and prostate cancer risk. METHODS We conducted a systematic search on PubMed, Embase, Cochrane Library, and Web of Science without language or time restrictions on June 11, 2022. Literature search and study screening were performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. Prospective cohort studies that assessed the association between cigarette smoking habits and the risk of prostate cancer were included. Quality assessment was conducted using the Newcastle-Ottawa Scale. We used random-effects models to obtain pooled estimates and the corresponding 95% confidence intervals. RESULTS A total of 7296 publications were screened, of which 44 cohort studies were identified for qualitative analysis; 39 articles comprising 3 296 398 participants and 130 924 cases were selected for further meta-analysis. Current smoking had a significantly reduced risk of prostate cancer (RR, 0.74; 95% CI, 0.68-0.80; P < 0.001), especially in studies completed in the prostate-specific antigen screening era. Compared to former smokers, current smokers had a significant lower risk of PCa (RR, 0.70; 95% CI, 0.65-0.75; P < 0.001). Ever smoking showed no association with prostate cancer risk in overall analyses (RR, 0.96; 95% CI, 0.93-1.00; P = 0.074), but an increased risk of prostate cancer in the pre-prostate-specific antigen screening era (RR, 1.05; 95% CI, 1.00-1.10; P = 0.046) and a lower risk of prostate cancer in the prostate-specific antigen screening era (RR, 0.95; 95% CI, 0.91-0.99; P = 0.011) were observed. Former smoking did not show any association with the risk of prostate cancer. CONCLUSIONS The findings suggest that the lower risk of prostate cancer in smokers can probably be attributed to their poor adherence to cancer screening and the occurrence of deadly smoking-related diseases, and we should take measures to help smokers to be more compliant with early cancer screening and to quit smoking. TRIAL REGISTRATION This study was registered on PROSPERO (CRD42022326464).
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Affiliation(s)
- Xiangwei Yang
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, No.628 Zhenyuan Road, Shenzhen, 518107, China
| | - Hong Chen
- School of Nursing, LKS Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Shiqiang Zhang
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, No.628 Zhenyuan Road, Shenzhen, 518107, China
| | - Xianju Chen
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, No.628 Zhenyuan Road, Shenzhen, 518107, China
| | - Yiyu Sheng
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, No.628 Zhenyuan Road, Shenzhen, 518107, China
| | - Jun Pang
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, No.628 Zhenyuan Road, Shenzhen, 518107, China.
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17
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Zhan Y, Ruan X, Wang P, Huang D, Huang J, Huang J, Chun TTS, Ho BSH, Ng ATL, Tsu JHL, Na R. Causal Effects of Modifiable Behaviors on Prostate Cancer in Europeans and East Asians: A Comprehensive Mendelian Randomization Study. BIOLOGY 2023; 12:biology12050673. [PMID: 37237487 DOI: 10.3390/biology12050673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
OBJECTIVE Early evidence is disputable for the effects of modifiable lifestyle behaviors on prostate cancer (PCa) risk. No research has yet appraised such causality in different ancestries using a Mendelian randomization (MR) approach. METHODS A two-sample univariable and multivariable MR analysis was performed. Genetic instruments associated with lifestyle behaviors were selected based on genome-wide association studies. Summary-level data for PCa were obtained from PRACTICAL and GAME-ON/ELLIPSE consortia for Europeans (79,148 PCa cases and 61,106 controls), and ChinaPCa consortium for East Asians (3343 cases and 3315 controls). Replication was performed using FinnGen (6311 cases and 88,902 controls) and BioBank Japan data (5408 cases and 103,939 controls). RESULTS Tobacco smoking was identified as increasing PCa risks in Europeans (odds ratio [OR]: 1.95, 95% confidence interval [CI]: 1.09-3.50, p = 0.027 per standard deviation increase in the lifetime smoking index). For East Asians, alcohol drinking (OR: 1.05, 95%CI: 1.01-1.09, p = 0.011) and delayed sexual initiation (OR: 1.04, 95%CI: 1.00-1.08, p = 0.029) were identified as risk factors, while cooked vegetable consumption (OR: 0.92, 95%CI: 0.88-0.96, p = 0.001) was a protective factor for PCa. CONCLUSIONS Our findings broaden the evidence base for the spectrum of PCa risk factors in different ethnicities, and provide insights into behavioral interventions for prostate cancer.
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Affiliation(s)
- Yongle Zhan
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Xiaohao Ruan
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Pei Wang
- Department of Statistics, Miami University, Oxford, OH 45056, USA
| | - Da Huang
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jingyi Huang
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jinlun Huang
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Tsun Tsun Stacia Chun
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Brian Sze-Ho Ho
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Division of Urology, Department of Surgery, Queen Mary Hospital, Hong Kong, China
| | - Ada Tsui-Lin Ng
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Division of Urology, Department of Surgery, Queen Mary Hospital, Hong Kong, China
| | - James Hok-Leung Tsu
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Division of Urology, Department of Surgery, Queen Mary Hospital, Hong Kong, China
| | - Rong Na
- Division of Urology, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
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18
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Went M, Sud A, Mills C, Hyde A, Culliford R, Law P, Vijayakrishnan J, Gockel I, Maj C, Schumacher J, Palles C, Kaiser M, Houlston R. Risk factors for eight common cancers revealed from a phenome-wide Mendelian randomisation analysis of 378,142 cases and 485,715 controls. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.02.15.23285952. [PMID: 37066289 PMCID: PMC10104236 DOI: 10.1101/2023.02.15.23285952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
For many cancers there are few well-established risk factors. Summary data from genome-wide association studies (GWAS) can be used in a Mendelian randomisation (MR) phenome-wide association study (PheWAS) to identify causal relationships. We performed a MR-PheWAS of breast, prostate, colorectal, lung, endometrial, oesophageal, renal, and ovarian cancers, comprising 378,142 cases and 485,715 controls. To derive a more comprehensive insight into disease aetiology we systematically mined the literature space for supporting evidence. We evaluated causal relationships for over 3,000 potential risk factors. In addition to identifying well-established risk factors (smoking, alcohol, obesity, lack of physical activity), we provide evidence for specific factors, including dietary intake, sex steroid hormones, plasma lipids and telomere length as determinants of cancer risk. We also implicate molecular factors including plasma levels of IL-18, LAG-3, IGF-1, CT-1, and PRDX1 as risk factors. Our analyses highlight the importance of risk factors that are common to many cancer types but also reveal aetiological differences. A number of the molecular factors we identify have the potential to be biomarkers. Our findings should aid public health prevention strategies to reduce cancer burden. We provide a R/Shiny app (https://mrcancer.shinyapps.io/mrcan/) to visualise findings.
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Affiliation(s)
- Molly Went
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Amit Sud
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Haemato-oncology Unit, The Royal Marsden Hospital NHS Foundation Trust, Sutton, UK
| | - Charlie Mills
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Abi Hyde
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Richard Culliford
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Philip Law
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | | | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Carlo Maj
- Center for Human Genetics, University Hospital of Marburg, Marburg, Germany
| | | | - Claire Palles
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Martin Kaiser
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Haemato-oncology Unit, The Royal Marsden Hospital NHS Foundation Trust, Sutton, UK
| | - Richard Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
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19
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Went M, Sud A, Mills C, Hyde A, Culliford R, Law P, Vijayakrishnan J, Gockel I, Maj C, Schumacher J, Palles C, Kaiser M, Houlston R. Risk factors for eight common cancers revealed from a phenome-wide Mendelian randomisation analysis of 378,142 cases and 485,715 controls. RESEARCH SQUARE 2023:rs.3.rs-2587058. [PMID: 36993383 PMCID: PMC10055507 DOI: 10.21203/rs.3.rs-2587058/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
For many cancers there are few well-established risk factors. Summary data from genome-wide association studies (GWAS) can be used in a Mendelian randomisation (MR) phenome-wide association study (PheWAS) to identify causal relationships. We performed a MR-PheWAS of breast, prostate, colorectal, lung, endometrial, oesophageal, renal, and ovarian cancers, comprising 378,142 cases and 485,715 controls. To derive a more comprehensive insight into disease aetiology we systematically mined the literature space for supporting evidence. We evaluated causal relationships for over 3,000 potential risk factors. In addition to identifying well-established risk factors (smoking, alcohol, obesity, lack of physical activity), we provide evidence for specific factors, including dietary intake, sex steroid hormones, plasma lipids and telomere length as determinants of cancer risk. We also implicate molecular factors including plasma levels of IL-18, LAG-3, IGF-1, CT-1, and PRDX1 as risk factors. Our analyses highlight the importance of risk factors that are common to many cancer types but also reveal aetiological differences. A number of the molecular factors we identify have the potential to be biomarkers. Our findings should aid public health prevention strategies to reduce cancer burden. We provide a R/Shiny app (https://mrcancer.shinyapps.io/mrcan/) to visualise findings.
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Affiliation(s)
- Molly Went
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Amit Sud
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Haemato-oncology Unit, The Royal Marsden Hospital NHS Foundation Trust, Sutton, UK
| | - Charlie Mills
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Abi Hyde
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Richard Culliford
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | - Philip Law
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
| | | | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Carlo Maj
- Center for Human Genetics, University Hospital of Marburg, Marburg, Germany
| | | | - Claire Palles
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Martin Kaiser
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
- Haemato-oncology Unit, The Royal Marsden Hospital NHS Foundation Trust, Sutton, UK
| | - Richard Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, UK
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20
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The Tobacco Smoke Component, Acrolein, as a Major Culprit in Lung Diseases and Respiratory Cancers: Molecular Mechanisms of Acrolein Cytotoxic Activity. Cells 2023; 12:cells12060879. [PMID: 36980220 PMCID: PMC10047238 DOI: 10.3390/cells12060879] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/05/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Acrolein, a highly reactive unsaturated aldehyde, is a ubiquitous environmental pollutant that seriously threatens human health and life. Due to its high reactivity, cytotoxicity and genotoxicity, acrolein is involved in the development of several diseases, including multiple sclerosis, neurodegenerative diseases such as Alzheimer’s disease, cardiovascular and respiratory diseases, diabetes mellitus and even the development of cancer. Traditional tobacco smokers and e-cigarette users are particularly exposed to the harmful effects of acrolein. High concentrations of acrolein have been found in both mainstream and side-stream tobacco smoke. Acrolein is considered one of cigarette smoke’s most toxic and harmful components. Chronic exposure to acrolein through cigarette smoke has been linked to the development of asthma, acute lung injury, chronic obstructive pulmonary disease (COPD) and even respiratory cancers. This review addresses the current state of knowledge on the pathological molecular mechanisms of acrolein in the induction, course and development of lung diseases and cancers in smokers.
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21
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Song L, Keyserling TC, Chen RC, Ma C, Xu S, Shieh K, Fuller GP, Nielsen ME, Northouse LL, Tan X, Rini C. Role, race, and place: Prostate cancer disparities in Patients' and Partners' health outcomes and psychosocial factors. Cancer Med 2023; 12:9857-9867. [PMID: 36748581 PMCID: PMC10166971 DOI: 10.1002/cam4.5646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/18/2022] [Accepted: 01/13/2023] [Indexed: 02/08/2023] Open
Abstract
PURPOSE This study aimed to examine the effects of participant role (patient vs. partner), race (white vs. non-white), and place (less vs. more neighborhood deprivation) on health outcomes (quality of life [QOL] and symptoms) and stress-coping-related psychosocial factors (appraisals of illness and coping resources). METHODS This descriptive study included 273 patients and their partners (dyads) who transitioned from PCa treatment to self-management. We used established, psychometrically sound measures to assess health outcomes and psychosocial factors and conducted multilevel modeling analyses. RESULTS Compared to partners, patients reported worse physical QOL; less frequent anxiety; less pain and fatigue; less bothersome hormonal problems; more bothersome urinary and sexual problems; greater self-efficacy; and more instrumental support. Compared to their white counterparts, non-white dyads reported better overall, emotional, and functional QOL; less depression; more positive appraisals, and greater self-efficacy. Compared to dyads in low ADI neighborhoods, dyads in high ADI (more deprived) neighborhoods reported worse social QOL; more bothersome urinary, sexual, and hormonal symptoms; and less interpersonal support. White patients reported the highest emotional support among all groups, while white partners reported the lowest emotional support. CONCLUSION Our findings underscore the need to consider social determinants of health at multiple levels when investigating PCa disparities. Considering neighborhood-level socioeconomic factors, in addition to race and role, improves our understanding of the PCa disparities in QOL, symptoms, and psychosocial factors among patients and partners. Targeted multilevel supportive care interventions should tailor to the needs of racially diverse PCa patients and partners residing in deprived neighborhoods are needed.
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Affiliation(s)
- Lixin Song
- School of Nursing, University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, USA.,Mays Cancer Center, UTHSCSA, San Antonio, Texas, USA
| | - Thomas C Keyserling
- School of Medicine, University of North Carolina-Chapel Hill (UNC-CH), Chapel Hill, North Carolina, USA
| | - Ronald C Chen
- University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Chunxuan Ma
- School of Nursing, University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, USA
| | - Shenmeng Xu
- Jean and Alexander Heard Libraries, Digital Scholarship and Communications, Vanderbilt University, Tennessee, Nashville, USA
| | - Karl Shieh
- School of Nursing, UNC-CH, Chapel Hill, North Carolina, USA
| | - Gail P Fuller
- School of Nursing, UNC-CH, Chapel Hill, North Carolina, USA
| | - Matthew E Nielsen
- School of Medicine, University of North Carolina-Chapel Hill (UNC-CH), Chapel Hill, North Carolina, USA.,Lineberger Comprehensive Cancer Center, UNC-CH, Chapel Hill, North Carolina, USA
| | | | - Xianming Tan
- Lineberger Comprehensive Cancer Center, UNC-CH, Chapel Hill, North Carolina, USA.,Gillings School of Global Public Health, UNC-CH, Chapel Hill, North Carolina, USA
| | - Christine Rini
- Cancer Survivorship Institute and Department of Medical Social Sciences, Northwestern University, Evanston, Illinois, USA
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22
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Al-Fayez S, El-Metwally A. Cigarette smoking and prostate cancer: A systematic review and meta-analysis of prospective cohort studies. Tob Induc Dis 2023; 21:19. [PMID: 36762260 PMCID: PMC9900478 DOI: 10.18332/tid/157231] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 12/07/2022] [Accepted: 12/10/2022] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION Cigarette smoking is a well-known cancer-causing behavior and a leading cause of death from cancer. However, according to previously published research and meta-analyses, cigarette smoking has a significant inverse association with prostate cancer incidence. Therefore, this study aims to investigate this association based on updated evidence by conducting a systematic review and meta-analysis. METHODS A search for relevant articles was performed in PubMed and Scopus databases to obtain the pooled relative risk (RR) and the corresponding 95% confidence intervals (CIs) for the risk of prostate cancer incidence among smokers compared to non-smokers. Our search was limited to prospective cohort studies. RESULTS A total of 17 cohort studies were included in the systematic review. Fifteen studies were included in the meta-analysis and showed that cigarette smoking has an inverse association with prostate cancer incidence with a relative risk of 0.84 (95% CI: 0.78-0.91). From all cohorts included in this systematic review, five studies examined the association between current smokers and the risk of death from prostate cancer. Therefore, a meta-analysis of these cohort studies was performed and showed that current smokers had a 42% higher risk of death from prostate cancer when compared to non-smokers with a relative risk of 1.42 (95% CI: 1.20-1.68). CONCLUSIONS Data from observational studies suggest that cigarette smoking has an inverse association with prostate cancer incidence. However, smokers have an increased risk of death from prostate cancer. Important to realize that this lower risk for smokers might be attributed to low prostate cancer screening uptake among smokers, misclassification bias, or selection bias from the included original studies. In summary, our results indicate that the incidence of prostate cancer is lower among smokers. Nevertheless, smokers who develop the disease have a significantly worse prognosis.
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Affiliation(s)
- Sarah Al-Fayez
- College of Public Health and Health Informatics, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Ashraf El-Metwally
- College of Public Health and Health Informatics, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
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23
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Zhang M, Dai X, Chen G, Liu Y, Wu Z, Ding C, Chang Y, Huang H. The Association between Spatial-Temporal Distribution of Prostate Cancer and Environmental Factors in Mainland China. Cancer Epidemiol Biomarkers Prev 2023; 32:208-216. [PMID: 36484983 DOI: 10.1158/1055-9965.epi-22-0799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/14/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND In China, the incidence and mortality of prostate cancer are increasing. In this study, we analyzed the spatial-temporal distribution characteristics of prostate cancer incidence and mortality in China and explored the potential associations of socioeconomic, ecological, and meteorologic conditions. METHODS Spatial-temporal scan statistics were used to analyze the spatial-temporal patterns of prostate cancer in China from 2012 to 2016. Spatial regression models and the Geodetector method were used to explore the potential associations of anthropogenic and natural factors with prostate cancer. RESULTS The incidence and mortality of prostate cancer in China from 2012 to 2016 rapidly increased. The high incidence and mortality clusters were concentrated in the economically developed Yangtze River Delta region along the southeast coast. Among the 14 selected environmental factors, gross domestic product (GDP) per capita, population density, comprehensive index of environmental pollution discharge, accessibility of health care resources, urbanization rate, and nitrogen dioxide (NO2) had significant positive correlations with prostate cancer incidence and mortality. GDP per capita, urbanization rate, and population density had high explanatory power. CONCLUSIONS The high-concentration areas for prostate cancer are located in more economically developed cities. The index of environmental pollution discharge, NO2, and prostate cancer incidence and mortality were positively correlated. The government should advocate increasing the use of clean energy while strengthening the regulation of industrial production to reduce pollutant emissions. IMPACT To inform the development of prevention and control strategies for prostate cancer in China.
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Affiliation(s)
- Mengqi Zhang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, P.R. China
| | - Xuchao Dai
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, P.R. China
| | - Gang Chen
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, P.R. China
| | - Yanlong Liu
- School of Mental Health, Wenzhou Medical University, Wenzhou, P.R. China
| | - Zhigang Wu
- Department of Urology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Cheng Ding
- Department of Respiratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Yanxiang Chang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, P.R. China
| | - Hong Huang
- Research Center for Healthy China, Wenzhou Medical University, Wenzhou, P.R. China.,Zhejiang Provincial Key Laboratory of Watershed Sciences and Health, Wenzhou Medical University, Wenzhou, P.R. China
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24
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Zhang H, Huang D, Zhang Y, Wang X, Wu J, Hong D. Global burden of prostate cancer attributable to smoking among males in 204 countries and territories, 1990-2019. BMC Cancer 2023; 23:92. [PMID: 36703189 PMCID: PMC9878877 DOI: 10.1186/s12885-023-10552-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/16/2023] [Indexed: 01/27/2023] Open
Abstract
INTRODUCTION Understanding the latest global spatio-temporal pattern of prostate cancer burden attributable to smoking can help guide effective global health policy. This study aims to elucidate the trends in smoking-related prostate cancer from 1990 to 2019 using Global Burden of Disease (GBD) 2019 study data. METHODS Data on prostate cancer attributable to smoking were extracted from Global Burden of Disease Study (GBD) 2019. The numbers and age-standardized rates on smoking-related prostate cancer mortality (ASMR) and disability-adjusted life years (ASDR) were analyzed by year, age, region, country, and socio-demographic index (SDI) level. Estimated annual percentage change (EAPC) was calculated to evaluate the temporal trends of ASMR and ASDR from 1990 to 2019. RESULTS Of all prostate cancer deaths and DALYs globally in 2019, 6% and 6.6% were attributable to smoking, which contributed to 29,298 (95% CI 12,789 to 46,609) deaths and 571,590 (95% CI 253,490 to 917,820) disability-adjusted life-years (DALYs) in 2019. The number of smoking-related deaths and DALYs showed an upward trend, increasing by half from 1990 to 2019, while ASMR and ASDR declined in five sociodemographic indexes (SDI) regions, with the fastest decline in high SDI regions. For geographical regions, Western Europe and East Asia were the high-risk areas of prostate cancer deaths and DALYs attributable to smoking, among which China and the United States were the countries with the heaviest burden. The ASMR has decreased in all age groups, with the fastest decrease occurring in 75-79 years old. The ASMR or ASDR tended to increase in countries with the lowest SDI, but declined in countries with the highest SDI. The EAPC in ASMR or ASDR was highly negatively correlated with Human Development Index (HDI) in 2019, with coefficients 0.46. CONCLUSION The number of smoking-related prostate cancer deaths and DALYs continued to increase globally, whereas its ASMR and ASDR have been decreasing. This substantial progress is particularly significant in developed regions and vary across geographic regions. Medical strategies to prevent and reduce the burden should be adjusted and implemented based on country-specific disease prevalence.
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Affiliation(s)
- Hanfei Zhang
- grid.54549.390000 0004 0369 4060School of Medicine, University of Electronic Science and Technology of China, Chengdu, China ,Department of Nephrology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Dingping Huang
- grid.12955.3a0000 0001 2264 7233Department of Urology, Zhongshan Hospital, Xiamen University, Xiamen, China
| | - Yingfeng Zhang
- grid.54549.390000 0004 0369 4060School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xia Wang
- grid.415508.d0000 0001 1964 6010The George Institute for Global Health, University of New South Wales, Level 5, 1 King Street, Newtown, NSW 2042 Australia
| | - Jiangtao Wu
- grid.24696.3f0000 0004 0369 153XDepartment of Urology, Xuanwu Hospital, Capital Medical University, Beijing, 100053 China
| | - Daqing Hong
- grid.54549.390000 0004 0369 4060School of Medicine, University of Electronic Science and Technology of China, Chengdu, China ,Department of Nephrology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China ,Renal Department and Nephrology Institute, School of Medicine, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, 610072 China
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Omolaoye TS, El Shahawy O, Skosana BT, Boillat T, Loney T, du Plessis SS. The mutagenic effect of tobacco smoke on male fertility. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62055-62066. [PMID: 34536221 PMCID: PMC9464177 DOI: 10.1007/s11356-021-16331-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 08/30/2021] [Indexed: 05/15/2023]
Abstract
Despite the association between tobacco use and the harmful effects on general health as well as male fertility parameters, smoking remains globally prevalent. The main content of tobacco smoke is nicotine and its metabolite cotinine. These compounds can pass the blood-testis barrier, which subsequently causes harm of diverse degree to the germ cells. Although controversial, smoking has been shown to cause not only a decrease in sperm motility, sperm concentration, and an increase in abnormal sperm morphology, but also genetic and epigenetic aberrations in spermatozoa. Both animal and human studies have highlighted the occurrence of sperm DNA-strand breaks (fragmentation), genome instability, genetic mutations, and the presence of aneuploids in the germline of animals and men exposed to tobacco smoke. The question to be asked at this point is, if smoking has the potential to cause all these genetic aberrations, what is the extent of damage? Hence, this review aimed to provide evidence that smoking has a mutagenic effect on sperm and how this subsequently affects male fertility. Additionally, the role of tobacco smoke as an aneugen will be explored. We furthermore aim to incorporate the epidemiological aspects of the aforementioned and provide a holistic approach to the topic.
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Affiliation(s)
- Temidayo S Omolaoye
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
- Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
| | - Omar El Shahawy
- Department of Population Health, New York University Grossman School of Medicine, New York City, NY, USA
| | - Bongekile T Skosana
- Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
| | - Thomas Boillat
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Tom Loney
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Stefan S du Plessis
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates.
- Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa.
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Modifiable risk factors for prostate cancer in low- and lower-middle-income countries: a systematic review and meta-analysis. Prostate Cancer Prostatic Dis 2022; 25:453-462. [PMID: 35790786 DOI: 10.1038/s41391-022-00570-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/09/2022] [Accepted: 06/27/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Most of the epidemiological data on prostate cancer risk factors come from high-income countries (HIC). Reducing exposure to prostate cancer modifiable risk factors may significantly lower PCa morbidity and mortality in LIC and MIC. The objective of this study was to summarize the evidence on modifiable risk factors (RFs) for PCa in LIC and lower-middle-income countries (LMIC). METHODS We conducted a systematic search on MEDLINE, EMBASE, and Global Health databases. We selected case-control and cohort studies from 2010 onwards that studied modifiable RFs for PCa in LIC and LMIC with a population of 30 million or more, as defined by the World Bank in January 2021. Risk of bias was assessed by the Ottawa-Newcastle tool. Individual study estimates were pooled when estimates were available for at least two studies. RESULTS 5740 studies were initially identified; 16 studies met inclusion criteria. All were case-control studies except one retrospective cohort study. Higher fat intake was associated with a higher risk of PCa incidence with an odds ratio (OR) of 3.13 (95% CI 1.33-7.33). Higher vegetable intake (OR 0.48, 95% CI 0.24-0.97) and tea consumption (OR 0.51, 95% CI 0.32-0.83) were associated with a lower risk for PCa. There was no association between fruits, fish, and chicken consumption and risk of PCa. Alcohol consumption, smoking, red meat intake, and a BMI ≥ 25-30 kg/m2 showed a trend towards an increased risk, although these were not statistically significant. CONCLUSIONS In LIC and LMIC, high fat intake was associated with higher risk of PCa while a diet rich in vegetables and tea intake was associated with a lower risk. Future prospective studies will be important to elucidate whether other modifiable risk factors for PCa specific to LIC and LMIC can be identified to inform impactful and cost-effective preventive strategies in these countries.
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Safiri S, Nejadghaderi SA, Abdollahi M, Carson‐Chahhoud K, Kaufman JS, Bragazzi NL, Moradi‐Lakeh M, Mansournia MA, Sullman MJM, Almasi‐Hashiani A, Taghizadieh A, Collins GS, Kolahi A. Global, regional, and national burden of cancers attributable to tobacco smoking in 204 countries and territories, 1990-2019. Cancer Med 2022; 11:2662-2678. [PMID: 35621231 PMCID: PMC9249976 DOI: 10.1002/cam4.4647] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/17/2022] [Accepted: 02/25/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Cancers are leading causes of mortality and morbidity, with smoking being recognized as a significant risk factor for many types of cancer. We aimed to report the cancer burden attributable to tobacco smoking by sex, age, socio-demographic index (SDI), and cancer type in 204 countries and territories from 1990 to 2019. METHODS The burden of cancers attributable to smoking was reported between 1990 and 2019, based upon the Comparative Risk Assessment approach used in the Global Burden of Disease (GBD) study 2019. RESULTS Globally, in 2019 there were an estimated 2.5 million cancer-related deaths (95% UI: 2.3 to 2.7) and 56.4 million DALYs (51.3 to 61.7) attributable to smoking. The global age-standardized death and DALY rates of cancers attributable to smoking per 100,000 decreased by 23.0% (-29.5 to -15.8) and 28.6% (-35.1 to -21.5), respectively, over the period 1990-2019. Central Europe (50.4 [44.4 to 57.6]) and Western Sub-Saharan Africa (6.7 [5.7 to 8.0]) had the highest and lowest age-standardized death rates, respectively, for cancers attributable to smoking. In 2019, the age-standardized DALY rate of cancers attributable to smoking was highest in Greenland (2224.0 [1804.5 to 2678.8]) and lowest in Ethiopia (72.2 [51.2 to 98.0]). Also in 2019, the global number of DALYs was highest in the 65-69 age group and there was a positive association between SDI and the age-standardized DALY rate. CONCLUSIONS The results of this study clearly illustrate that renewed efforts are required to increase utilization of evidence-based smoking cessation support in order to reduce the burden of smoking-related diseases.
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Affiliation(s)
- Saeid Safiri
- Aging Research InstituteTabriz University of Medical SciencesTabrizIran
- Social Determinants of Health Research Center, Department of Community Medicine, Faculty of MedicineTabriz University of Medical SciencesTabrizIran
| | - Seyed Aria Nejadghaderi
- Aging Research InstituteTabriz University of Medical SciencesTabrizIran
- Systematic Review and Meta‐analysis Expert Group (SRMEG)Universal Scientific Education and Research Network (USERN)TehranIran
| | - Morteza Abdollahi
- Social Determinants of Health Research CenterShahid Beheshti University of Medical SciencesTehranIran
| | - Kristin Carson‐Chahhoud
- Australian Centre for Precision HealthUniversity of South AustraliaAdelaideSouth AustraliaAustralia
- School of MedicineUniversity of AdelaideAdelaideSouth AustraliaAustralia
| | - Jay S. Kaufman
- Department of Epidemiology, Biostatistics and Occupational Health, Faculty of MedicineMcGill UniversityQuebecCanada
| | | | - Maziar Moradi‐Lakeh
- Preventive Medicine and Public Health Research CenterIran University of Medical SciencesTehranIran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public HealthTehran University of Medical SciencesTehranIran
| | - Mark J. M. Sullman
- Department of Life and Health SciencesUniversity of NicosiaNicosiaCyprus
- Department of Social SciencesUniversity of NicosiaNicosiaCyprus
| | - Amir Almasi‐Hashiani
- Department of Epidemiology, School of HealthArak University of Medical SciencesArakIran
| | - Ali Taghizadieh
- Tuberculosis and Lung Diseases Research CenterTabriz University of Medical SciencesTabrizIran
| | - Gary S. Collins
- Centre for Statistics in Medicine, NDORMS, Botnar Research CentreUniversity of OxfordOxfordUK
- NIHR Oxford Biomedical Research CentreOxford University Hospitals NHS Foundation TrustOxfordUK
| | - Ali‐Asghar Kolahi
- Social Determinants of Health Research CenterShahid Beheshti University of Medical SciencesTehranIran
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Vargovčák M, Dorko E, Rimárová K, Knap V. Prostate cancer screening - is it time to change approach? Cent Eur J Public Health 2022; 30:S11-S15. [PMID: 35841219 DOI: 10.21101/cejph.a6807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 01/03/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Prostate adenocarcinoma (CaP) is one of the most common malignancies in men in Slovakia and in the world. The disease accounts for more than 22% of all tumors in the male population. Screening studies show an increase in the diagnosis of CaP without improvement in overall or CaP-specific mortality. The main goal of the work is to evaluate the incidence of CaP in the group of patients examined and treated during the period from 2014 to 2019 at the urological outpatient clinic of the Railway Hospital (RH) in Košice, and to evaluate the risks and treatment options. METHODS Men aged 40 to 75 years underwent a preventive examination in 2014-2019 at the urology outpatient clinic, RH Košice. The number of screened patients was 3,943. Epidemiological parameter, diagnosis-related examinations (prostate specific antigen - PSA examination, digital rectal examination, and ultrasonography examination) as well as the frequency of examinations were monitored during the specified period on the basis of documentation. The number of prostate biopsies, incidence of prostate cancer and relation to PSA values were also monitored, as well as the classification of prostate cancers according to the degree of risk. Initial treatment in individual patients was also evaluated. RESULTS PSA values in patients who underwent biopsy ranged from 3.6 ng/mL to 2,000 ng/mL. We observed positive digital rectal examination in 52 patients. Of the number of patients examined, 231 (61.28%) were positive biopsies. There were negative biopsies with the finding of benign prostatic hyperplasia in 92 patients or chronic prostatitis in 54 patients, i.e., 146 (38.72%). According to the criteria for risk assessment based on the PSA value and the result of the histological examination, we diagnosed 109 low-risk patients, 57 medium-risk patients and 24 high-risk patients. CONCLUSION CaP is detected by prevention about 10 years before it develops clinically. The main aim of preventive examinations should be to detect, in particular, high-risk forms of early-stage prostate cancer and to improve the quality of life of men. Due to the results of extensive studies, it is necessary to continue the active search for prostate cancer. This reduces the risk of metastatic forms of CaP.
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Affiliation(s)
- Marek Vargovčák
- Urological Outpatient Clinic, Railway Hospital, Kosice, Slovak Republic
| | - Erik Dorko
- Department of Public Health and Hygiene, Faculty of Medicine, Pavol Jozef Safarik University in Kosice, Kosice, Slovak Republic
| | - Kvetoslava Rimárová
- Department of Public Health and Hygiene, Faculty of Medicine, Pavol Jozef Safarik University in Kosice, Kosice, Slovak Republic
| | - Viliam Knap
- Department of Physiatry, Balneology, and Medical Rehabilitation, Faculty of Medicine, Pavol Jozef Safarik University in Kosice, Kosice, Slovak Republic
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Leitão C, Matos B, Roque F, Herdeiro MT, Fardilha M. The Impact of Lifestyle on Prostate Cancer: A Road to the Discovery of New Biomarkers. J Clin Med 2022; 11:2925. [PMID: 35629050 PMCID: PMC9148038 DOI: 10.3390/jcm11102925] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 02/04/2023] Open
Abstract
Prostate cancer (PCa) is one of the most common cancers among men, and its incidence has been rising through the years. Several risk factors have been associated with this disease and unhealthy lifestyles and inflammation were appointed as major contributors for PCa development, progression, and severity. Despite the advantages associated with the currently used diagnostic tools [prostate-specific antigen(PSA) serum levels and digital rectal examination (DRE)], the development of effective approaches for PCa diagnosis is still necessary. Finding lifestyle-associated proteins that may predict the development of PCa seems to be a promising strategy to improve PCa diagnosis. In this context, several biomarkers have been identified, including circulating biomarkers (CRP, insulin, C-peptide, TNFα-R2, adiponectin, IL-6, total PSA, free PSA, and p2PSA), urine biomarkers (PCA3, guanidine, phenylacetylglycine, and glycine), proteins expressed in exosomes (afamin, vitamin D-binding protein, and filamin A), and miRNAs expressed in prostate tissue (miRNA-21, miRNA-101, and miRNA-182). In conclusion, exploring the impact of lifestyle and inflammation on PCa development and progression may open doors to the identification of new biomarkers. The discovery of new PCa diagnostic biomarkers should contribute to reduce overdiagnosis and overtreatment.
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Affiliation(s)
- Catarina Leitão
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.L.); (M.T.H.)
| | - Bárbara Matos
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Institute of Oncology of Porto (IPO Porto), 4200-072 Porto, Portugal;
- Laboratory of Signal Transduction, Department of Medical Sciences, Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Fátima Roque
- Research Unit for Inland Development, Polytechnic of Guarda (UDI-IPG), Avenida Doutor Francisco Sá Carneiro, 6300-559 Guarda, Portugal;
- Health Sciences Research Centre, University of Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Maria Teresa Herdeiro
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.L.); (M.T.H.)
| | - Margarida Fardilha
- Laboratory of Signal Transduction, Department of Medical Sciences, Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
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Jochems SHJ, Fritz J, Häggström C, Järvholm B, Stattin P, Stocks T. Smoking and Risk of Prostate Cancer and Prostate Cancer Death: A Pooled Study. Eur Urol 2022; 83:422-431. [PMID: 35523620 DOI: 10.1016/j.eururo.2022.03.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/24/2022] [Accepted: 03/26/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Prospective and detailed investigations of smoking and prostate cancer (PCa) risk and death are lacking. OBJECTIVE To investigate prediagnosis smoking habit (status, intensity, duration, and cessation) as a risk factor, on its own and combined with body mass index (BMI), for PCa incidence and death. DESIGN, SETTING, AND PARTICIPANTS We included 351448 men with smoking information from five Swedish cohorts. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS We used Cox regression to calculate hazard ratios (HRs) and confidence intervals (CIs) for PCa incidence (n = 24731) and death (n = 4322). RESULTS AND LIMITATIONS Smoking was associated with a lower risk of any PCa (HR 0.89, 95% CI 0.86-0.92), which was most pronounced for low-risk PCa (HR 0.74, 95% CI 0.69-0.79) and was restricted to PCa cases diagnosed in the prostate-specific antigen (PSA) era. Smoking was associated with a higher risk of PCa death in the full cohort (HR 1.10, 95% CI 1.02-1.18) and in case-only analysis adjusted for clinical characteristics (HR 1.20, 95% CI 1.11-1.31), which was a consistent finding across case groups (p = 0.8 for heterogeneity). Associations by smoking intensity and, to lesser degree, smoking duration and cessation, supported the associations for smoking status. Smoking in combination with obesity (BMI ≥30 kg/m2) further decreased the risk of low-risk PCa incidence (HR 0.40, 95% CI 0.30-0.53 compared to never smokers with BMI <25 kg/m2) and further increased the risk of PCa death (HR 1.49, 95% CI 1.21-1.84). A limitation of the study is that only a subgroup of men had information on smoking habit around the time of their PCa diagnosis. CONCLUSIONS The lower PCa risk for smokers in the PSA era, particularly for low-risk PCa, can probably be attributed to low uptake of PSA testing by smokers. Poor survival for smokers, particularly obese smokers, requires further study to clarify the underlying causes and the preventive potential of smoking intervention for PCa death. PATIENT SUMMARY Smokers have a higher risk of dying from prostate cancer, which further increases with obesity.
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Affiliation(s)
| | - Josef Fritz
- Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Innsbruck, Austria
| | - Christel Häggström
- Northern Register Centre, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Bengt Järvholm
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Pär Stattin
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Tanja Stocks
- Department of Clinical Sciences Lund, Lund University, Lund, Sweden
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31
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K. C. M, Oral E, Rung AL, Trapido EJ, Rozek LS, Fontham ETH, Bensen JT, Farnan L, Steck SE, Song L, Mohler JL, Peters ES. Neighborhood deprivation and risk of mortality among men with prostate cancer: Findings from a long-term follow-up study. Prostate 2022; 82:783-792. [PMID: 35201637 PMCID: PMC9306458 DOI: 10.1002/pros.24320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 01/10/2022] [Accepted: 02/04/2022] [Indexed: 12/22/2022]
Abstract
BACKGROUND The overall survival rate of prostate cancer (PCa) has improved over the past decades. However, huge socioeconomic and racial disparities in overall and prostate cancer-specific mortality exist. The neighborhood-level factors including socioeconomic disadvantage and lack of access to care may contribute to disparities in cancer mortality. This study examines the impact of neighborhood deprivation on mortality among PCa survivors. METHODS North Carolina-Louisiana Prostate Cancer Project (PCaP) data were used. A total of 2113 men, 1046 AA and 1067 EA, with PCa were included in the analysis. Neighborhood deprivation was measured by the Area Deprivation Index (ADI) at the census block group level using data from the US Census Bureau. Quintiles of ADI were created. Cox proportional hazards and competing risk models with mixed effects were performed to estimate the effect of neighborhood deprivation on all-cause and PCa-specific mortality adjusted for age, race, study site, insurance status, and comorbidities. RESULTS Participants living in the most deprived neighborhoods had an increased risk for all-cause mortality (quintiles 4 + 5: adjusted hazard ratio [aHR] = 1.51, 95% confidence interval [CI] = 1.16-1.96) compared to those in the least deprived (quintile 1) neighborhoods. The risk of prostate cancer-specific mortality was also higher among those living in the deprived neighborhoods (quintiles 4 + 5: aHR = 1.90, 95% CI = 1.10-3.50) than those in the least deprived neighborhood. CONCLUSIONS The findings suggest neighborhood-level resources or health interventions are essential to improve survival among men with PCa. Additional research should focus on the mechanisms of how the neighborhood environment affects mortality.
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Affiliation(s)
- Madhav K. C.
- Department of Internal Medicine, Yale School of MedicineCancer Outcomes, Public Policy, and Effectiveness Research (COPPER) CenterNew HavenConnecticutUSA
- Department of Epidemiology, School of public HealthEpidemiology Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
| | - Evrim Oral
- Department of Biostatistics, School of Public HealthBiostatistics Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
| | - Ariane L. Rung
- Department of Epidemiology, School of public HealthEpidemiology Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
| | - Edward J. Trapido
- Department of Epidemiology, School of public HealthEpidemiology Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
| | - Laura S. Rozek
- Department of Environmental Health SciencesUniversity of Michigan School of Public HealthAnn ArborMichiganUSA
| | - Elizabeth T. H. Fontham
- Department of Epidemiology, School of public HealthEpidemiology Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
| | - Jeannette T. Bensen
- Department of EpidemiologyGillings School of Global Public Health, University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Lineberger Comprehensive Cancer Center, School of MedicineUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Laura Farnan
- Lineberger Comprehensive Cancer Center, School of MedicineUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Susan E. Steck
- Department of Epidemiology and BiostatisticsArnold School of Public Health, University of South CarolinaColumbiaSouth CarolinaUSA
| | - Lixin Song
- School of NursingUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - James L. Mohler
- Department of UrologyRoswell Park Comprehensive Cancer CenterNew YorkNew YorkUSA
| | - Edward S. Peters
- Department of Epidemiology, School of public HealthEpidemiology Program, Louisiana State University Health Sciences Center‐New OrleansNew OrleansLouisianaUSA
- Department of EpidemiologyCollege of Public HealthUniversity of Nebraska Medical CenterOmahaNebraskaUSA
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He H, Pan Z, Wu J, Hu C, Bai L, Lyu J. Health Effects of Tobacco at the Global, Regional, and National Levels: Results From the 2019 Global Burden of Disease Study. Nicotine Tob Res 2022; 24:864-870. [PMID: 34928373 DOI: 10.1093/ntr/ntab265] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 12/08/2021] [Accepted: 12/16/2021] [Indexed: 11/12/2022]
Abstract
INTRODUCTION The purpose was to quantify the health effects of tobacco using data from the 2019 Global Burden of Disease study. AIMS AND METHODS We collected detailed information on tobacco consumption overall as well as its individual aspects (smoking, secondhand smoke, and chewing tobacco) for the deaths and disability-adjusted life years (DALYs) for all-cause disease, cardiovascular disease, neoplasms, and chronic respiratory diseases, and their age-standardized rates (ASRs). RESULTS Tobacco was responsible for 8.71 million deaths and 229.77 million DALYs globally in 2019. The ASRs of all tobacco-related deaths and DALYs declined from 1990 to 2019, to 108.55 deaths per 100 000 population and 2791.04 DALYs per 100 000 population in 2019. During any year the ASRs of all tobacco-related deaths and DALYs were higher in males than in females. The ASRs of all tobacco-related deaths and DALYs were highest in countries with a low-middle sociodemographic index (SDI) and lowest in high-SDI countries in 2019. Cardiovascular disease, neoplasms, and chronic respiratory diseases were the three leading causes of tobacco-related mortality. CONCLUSIONS Although the ASRs of deaths and DALYs related to tobacco have declined, the absolute number remain high. Tobacco control policies need to be strengthened further in order to reduce the heavy health burden of tobacco. IMPLICATIONS This study provides a detailed description on the health effects of tobacco, including maps of the current global burden of tobacco-related disease. Although the ASRs of tobacco-related deaths and DALYs have declined, the absolute numbers remain high-tobacco was responsible for 8.71 million deaths and 229.77 million DALYs globally in 2019. The findings may have implications for tobacco control. Countries where progress has been slower in reducing tobacco-related disease burden should study and consider implementing policies and strategies that have been applied in countries like Singapore which show the greatest declines for recent decades.
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Affiliation(s)
- Hairong He
- Clinical Research Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Zhenyu Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
- Department of Pharmacy, The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jiayuan Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Chuanyu Hu
- Department of Stomatology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Ling Bai
- Clinical Research Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jun Lyu
- Clinical Research Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
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Zhu Q, Meng Y, Li S, Xin J, Du M, Wang M, Cheng G. Association of genetic variants in autophagy-lysosome pathway genes with susceptibility and survival to prostate cancer. Gene 2022; 808:145953. [PMID: 34500048 DOI: 10.1016/j.gene.2021.145953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 08/20/2021] [Accepted: 09/03/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Previous studies have indicated the connections between autophagy-lysosome pathway genes dysfunction and prostate cancer, but few studies have investigated whether single nucleotide polymorphisms (SNPs) in autophagy-lysosome pathway genes are implicated in prostate cancer risk and survival. MATERIALS AND METHODS Logistic regression analysis and stepwise Cox regression analysis were conducted in 4,662 cases and 3,114 controls from the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial. The false positive rate probability (FPRP) method was applied to correct for multiple comparisons. Gene-based analysis was calculated by versatile gene-based association study approach. RESULTS We found that SLC11A1 rs7573065 significantly increased the risk of prostate cancer [adjusted odds ratio (OR) = 1.24, 95% confidence interval (CI) = 1.06-1.46, P = 7.02 × 10-3, FPRP = 0.082]. Furthermore, rs7573065 was confirmed as the independent predicator of overall survival (OS) for prostate cancer patients [Hazard ratio (HR) = 1.30, 95% CI = 1.01-1.66, P = 0.041]. The significant association between SLC11A1 and prostate cancer risk was calculated by gene-based analysis (P = 0.030). We also observed that the mRNA of SLC11A1 in prostate tumor tissues was significantly over-expressed than that in normal tissues. CONCLUSION This study suggested that rs7573065 in SLC11A1 was associated with an increased risk and poor OS of prostate cancer. Our findings may provide evidence for genetic variants in autophagy-lysosome pathway as the risk and prognostic biomarkers for prostate cancer.
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Affiliation(s)
- Qiuyuan Zhu
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yixuan Meng
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shuwei Li
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Junyi Xin
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Mulong Du
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Meilin Wang
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Gong Cheng
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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Gandaglia G, Leni R, Bray F, Fleshner N, Freedland SJ, Kibel A, Stattin P, Van Poppel H, La Vecchia C. Epidemiology and Prevention of Prostate Cancer. Eur Urol Oncol 2021; 4:877-892. [PMID: 34716119 DOI: 10.1016/j.euo.2021.09.006] [Citation(s) in RCA: 171] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/10/2021] [Accepted: 09/28/2021] [Indexed: 01/04/2023]
Abstract
CONTEXT Worldwide, prostate cancer (PCa) represents the second most common solid tumor in men. OBJECTIVE To assess the geographical distribution of PCa, epidemiological differences, and the most relevant risk factors for the disease. EVIDENCE ACQUISITION Estimated incidence, mortality, and prevalence of PCa for the year 2020 in 185 countries were derived from the IARC GLOBOCAN database. A review of English-language articles published between 2010 and 2020 was conducted using MEDLINE, EMBASE, and Scopus to identify risk factors for PCa. EVIDENCE SYNTHESIS In the year 2020, there were over 1414000 estimated new cases of PCa worldwide, with an age-standardized rate (ASR) incidence of 31 per 100000 (lifetime cumulative risk: 3.9%). Northern Europe has the highest all-age incidence ASR (83), while the lowest ASR was in South-Central Asia (6.3). In the year 2020, there were over 375000 estimated deaths worldwide, and the overall mortality ASR was 7.7 per 100000, with the highest ASR in the Caribbean (28) and the lowest in South-Central Asia (3.1). Family history, hereditary syndromes, and race are the strongest risk factors for PCa. Metabolic syndrome was associated with the risk of developing PCa, high-grade disease, and adverse pathology. Diabetes and exposure to ultraviolet rays were found to be inversely associated to PCa incidence. Cigarette smoking and obesity may increase PCa-specific mortality, while regular physical activity may reduce disease progression. Although 5-alpha reductase inhibitors are known to be associated with a reduced incidence of PCa, available studies failed to show an effect on overall mortality. CONCLUSIONS Family history, race, and hereditary syndromes are well-established risk factors for PCa. Modifiable risk factors may impact the risk of developing PCa and that of dying from the disease, but little evidence exist for any clear indication for prevention other than early diagnosis to reduce PCa mortality. PATIENT SUMMARY Prostate cancer (PCa) rates vary profoundly worldwide, with incidence and mortality rates being highest in Northern Europe and Caribbean, respectively. South-Central Asia has the lowest epidemiological burden. Family history, race, and hereditary syndromes are well-established risk factors for PCa. Modifiable risk factors may impact the risk of developing PCa and that of dying from the disease itself, but little evidence exist for any clear indication for prevention other than early diagnosis to reduce PCa mortality.
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Affiliation(s)
- Giorgio Gandaglia
- Unit of Urology/Division of Oncology, IRCCS Ospedale San Raffaele, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy.
| | - Riccardo Leni
- Unit of Urology/Division of Oncology, IRCCS Ospedale San Raffaele, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy
| | - Freddie Bray
- Cancer Surveillance Branch, International Agency for Research on Cancer, Lyon, France
| | - Neil Fleshner
- Division or Urology, University of Toronto, Toronto, Ontario, Canada
| | - Stephen J Freedland
- Division of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Section of Urology, Durham VA Medical Center, Durham, NC, USA
| | - Adam Kibel
- Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Pär Stattin
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Hendrick Van Poppel
- Department of Urology, University Hospitals Leuven, KU Leuven, Leuven, Belgium
| | - Carlo La Vecchia
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
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Freitas DM, Andriole GL, Freedland SJ, Neto BS, Moreira DM. Smoking Is Associated With Basal Cell Hyperplasia on Prostate Biopsy Specimens. Am J Clin Pathol 2021; 156:934-938. [PMID: 33939794 DOI: 10.1093/ajcp/aqab030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES To the best of our knowledge, no study has analyzed the association between cigarette smoking and prostate basal cell proliferation. Therefore, we sought to evaluate whether smoking status is associated with the presence of basal cell hyperplasia (BCH). METHODS We performed a retrospective analysis of 8,196 men aged 50 to 75 years with prostate-specific antigen values between 2.5 µg/mL and 10 µg/mL and prior negative biopsy who were enrolled in the (REDUCE) trial. Cigarette smoking status was divided into current, former, or never categories at enrollment. The association between smoking and baseline BCH was evaluated, with logistic regression in univariable and multivariable analysis. RESULTS A total of 1,233 (15.1%) men were current smokers, 3,206 (39.1%) were former smokers, and 3,575 (45.8%) were never smokers. In univariable analysis, current smoking was associated with higher baseline BCH occurrence compared with never (odds ratio [OR], 1.87; 95% confidence interval [CI], 1.14-3.10) and former smokers (OR, 1.77; 95% CI, 1.06-2.95). Similar results were found after adjusting for patient characteristics (current vs never smokers: OR, 1.92; 95% CI, 1.14-3.26; current vs former smokers: OR, 1.71; 95% CI, 1.01-2.91). CONCLUSIONS Among men undergoing prostate biopsy, all of whom had a negative biopsy result, current smoking at enrollment was independently associated with BCH in standard peripheral zone prostate biopsies.
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Affiliation(s)
- Daniel Melecchi Freitas
- Division of Urology, Nossa Senhora da Conceição Hospital, Porto Alegre, Brazil
- Division of Urology, Moinhos de Vento Hospital, Porto Alegre, Brazil
| | - Gerald L Andriole
- Division of Urologic Surgery, Washington University School of Medicine, St Louis, MO, USA
| | - Stephen J Freedland
- Division of Urology, Department of Surgery, Cedars Sinai Medical Center, Los Angeles, CA, USA
- Section of Urology, Durham VA Medical Center, Durham, NC, USA
| | - Brasil S Neto
- Department of Urology, Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil
| | - Daniel M Moreira
- Department of Urology, University of Illinois at Chicago, Chicago, IL, USA
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Hornung N, Frank M, Dragano N, Dürig J, Dührsen U, Moebus S, Erbel R, Stang A, Jöckel KH, Schmidt B. Monoclonal gammopathy of undetermined significance is associated with prostate cancer in a population-based cohort study. Sci Rep 2021; 11:19266. [PMID: 34588555 PMCID: PMC8481402 DOI: 10.1038/s41598-021-98803-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/06/2021] [Indexed: 11/30/2022] Open
Abstract
Register-based studies indicate a possible association of monoclonal gammopathy of undetermined significance (MGUS) and prostate cancer (PCa). Aim of the present study was to investigate the relationship between MGUS and PCa considering potentially shared risk factors. Data from the prospective population-based Heinz Nixdorf Recall cohort study of 2.385 men (age 45–85) were analyzed. MGUS was determined at three points in time; cases of cancer were assessed annually. Potentially shared risk factors were assessed at baseline. Hazard ratios (HR), adjusted for age and educational attainment, and corresponding 95%-confidence intervals (95%-CI) were calculated. 157 cases of MGUS and 143 incident cases of PCa were detected. Of 19 participants diagnosed with both, MGUS and incident PCa, only in one case MGUS did not clearly occur before PCa. MGUS was associated with PCa presenting a HR of 2.00 (95%-CI: 1.23–3.25). Stratified by isotype, IgM-MGUS showed the strongest association with PCa. There was no relevant change of the effect estimate when adjusting for potentially shared risk factors. We were able to give supporting evidence for an association between MGUS and PCa and pointed out its temporality. There was no indication that the observed association is due to shared risk factors. The present study indicated that different isotypes of MGUS differ in the strength of the effect on PCa-risk. Based on these findings, future studies investigating the pathophysiological background of the association will be needed.
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Affiliation(s)
- Nicola Hornung
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Mirjam Frank
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Nico Dragano
- Department of Medical Sociology, University Clinic Düsseldorf, Düsseldorf, Germany
| | - Jan Dürig
- Department of Hematology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ulrich Dührsen
- Department of Hematology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Susanne Moebus
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Raimund Erbel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Andreas Stang
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Karl-Heinz Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany
| | - Börge Schmidt
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122, Essen, Germany.
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Karlsson A, Ellonen A, Irjala H, Väliaho V, Mattila K, Nissi L, Kytö E, Kurki S, Ristamäki R, Vihinen P, Laitinen T, Ålgars A, Jyrkkiö S, Minn H, Heervä E. Impact of deep learning-determined smoking status on mortality of cancer patients: never too late to quit. ESMO Open 2021; 6:100175. [PMID: 34091262 PMCID: PMC8182259 DOI: 10.1016/j.esmoop.2021.100175] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/22/2022] Open
Abstract
Background Persistent smoking after cancer diagnosis is associated with increased overall mortality (OM) and cancer mortality (CM). According to the 2020 Surgeon General's report, smoking cessation may reduce CM but supporting evidence is not wide. Use of deep learning-based modeling that enables universal natural language processing of medical narratives to acquire population-based real-life smoking data may help overcome the challenge. We assessed the effect of smoking status and within-1-year smoking cessation on CM by an in-house adapted freely available language processing algorithm. Materials and methods This cross-sectional real-world study included 29 823 patients diagnosed with cancer in 2009-2018 in Southwest Finland. The medical narrative, International Classification of Diseases-10th edition codes, histology, cancer treatment records, and death certificates were combined. Over 162 000 sentences describing tobacco smoking behavior were analyzed with ULMFiT and BERT algorithms. Results The language model classified the smoking status of 23 031 patients. Recent quitters had reduced CM [hazard ratio (HR) 0.80 (0.74-0.87)] and OM [HR 0.78 (0.72-0.84)] compared to persistent smokers. Compared to never smokers, persistent smokers had increased CM in head and neck, gastro-esophageal, pancreatic, lung, prostate, and breast cancer and Hodgkin's lymphoma, irrespective of age, comorbidities, performance status, or presence of metastatic disease. Increased CM was also observed in smokers with colorectal cancer, men with melanoma or bladder cancer, and lymphoid and myeloid leukemia, but no longer independently of the abovementioned covariates. Specificity and sensitivity were 96%/96%, 98%/68%, and 88%/99% for never, former, and current smokers, respectively, being essentially the same with both models. Conclusions Deep learning can be used to classify large amounts of smoking data from the medical narrative with good accuracy. The results highlight the detrimental effects of persistent smoking in oncologic patients and emphasize that smoking cessation should always be an essential element of patient counseling. Deep learning/universal language modeling was used to extract smoking status of cancer patients. Good accuracy was observed. Those who continue smoking after cancer diagnosis had increased CM compared to never smokers. Recent within-1-year cessation reduced this mortality. Detrimental effects of smoking were observed in multiple types of early- and advanced-stage cancers, including the elderly. We conclude that smoking cessation support should always be included in cancer care.
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Affiliation(s)
- A Karlsson
- Auria Biobank, University of Turku and Turku University Hospital, Turku, Finland
| | - A Ellonen
- University of Turku, Turku, Finland; Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - H Irjala
- University of Turku, Turku, Finland; FICAN West Cancer Centre, Turku, Finland; Department of Otorhinolaryngology-Head and Neck Surgery, Turku University Hospital, Turku, Finland
| | - V Väliaho
- Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - K Mattila
- Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - L Nissi
- University of Turku, Turku, Finland; Department of Oncology, Turku University Hospital, Turku, Finland
| | - E Kytö
- University of Turku, Turku, Finland; FICAN West Cancer Centre, Turku, Finland; Department of Otorhinolaryngology-Head and Neck Surgery, Turku University Hospital, Turku, Finland
| | - S Kurki
- Auria Biobank, University of Turku and Turku University Hospital, Turku, Finland; University of Turku, Turku, Finland
| | - R Ristamäki
- Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - P Vihinen
- FICAN West Cancer Centre, Turku, Finland
| | - T Laitinen
- Hospital Administration, Tampere University Hospital, Tampere, Finland
| | - A Ålgars
- University of Turku, Turku, Finland; Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - S Jyrkkiö
- Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - H Minn
- University of Turku, Turku, Finland; Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland
| | - E Heervä
- University of Turku, Turku, Finland; Department of Oncology, Turku University Hospital, Turku, Finland; FICAN West Cancer Centre, Turku, Finland.
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Bi-parametric magnetic resonance imaging based radiomics for the identification of benign and malignant prostate lesions: cross-vendor validation. Phys Eng Sci Med 2021; 44:745-754. [PMID: 34075559 DOI: 10.1007/s13246-021-01022-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 05/26/2021] [Indexed: 12/28/2022]
Abstract
The purpose of this study was to develop Bi-parametric Magnetic Resonance Imaging (BP-MRI) based radiomics models for differentiation between benign and malignant prostate lesions, and to cross-vendor validate the generalization ability of the models. The prebiopsy BP-MRI data (T2-Weighted Image [T2WI] and the Apparent Diffusion Coefficient [ADC]) of 459 patients with clinical suspicion of prostate cancer were acquired using two scanners from different vendors. The prostate biopsies are the reference standard for diagnosing benign and malignant prostate lesions. The training set was 168 patients' data from Siemens (Vendor 1), and the inner test set was 70 patients' data from the same vendor. The external test set was 221 patients' data from GE (Vendor 2). The lesion Region of Interest (ROI) was manually delineated by experienced radiologists. A total of 851 radiomics features including shape, first-order statistical, texture, and wavelet features were extracted from ROI in T2WI and ADC, respectively. Two feature-ranking methods (Minimum Redundancy Maximum Relevance [MRMR] and Wilcoxon Rank-Sum Test [WRST]) and three classifiers (Random Forest [RF], Support Vector Machine [SVM], and the Least Absolute Shrinkage and Selection Operator [LASSO] regression) were investigated for their efficacy in building single-parametric radiomics signatures. A biparametric radiomics model was built by combining the optimal single-parametric radiomics signatures. A comprehensive diagnosis model was built by combining the biparametric radiomics model with age and Prostate Specific Antigen (PSA) value using multivariable logistic regression. All models were built in the training set and independently validated in the inner and external test sets, and the performances of models in the diagnosis of benign and malignant prostate lesions were quantified by the Area Under the Receiver Operating Characteristic Curve (AUC). The mean AUCs of the inner and external test sets were calculated for each model. The non-inferiority test was used to test if the AUC of model in external test was not inferior to the AUC of model in inner test. Combining MRMR and LASSO produced the best-performing single-parametric radiomics signatures with the highest mean AUC of 0.673 for T2WI (inner test AUC = 0.729 vs. external test AUC = 0.616, p = 0.569) and the highest mean AUC of 0.810 for ADC (inner test AUC = 0.822 vs. external test AUC = 0.797, p = 0.102). The biparametric radiomics model produced a mean AUC of 0.833 (inner test AUC = 0.867 vs. external test AUC = 0.798, p = 0.051). The comprehensive diagnosis model had an improved mean AUC of 0.911 (inner test AUC = 0.935 vs. external test AUC = 0.886, p = 0.010). The comprehensive diagnosis model for differentiating benign from malignant prostate lesions was accurate and generalizable.
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Abstract
Cigarette smoke (CS) is likely the most common preventable cause of human morbidity and mortality worldwide. Consequently, inexpensive interventional strategies for preventing CS-related diseases would positively impact health systems. Inhaled CS is a powerful inflammatory stimulus and produces a shift in the normal balance between antioxidants and oxidants, inducing oxidative stress in both the respiratory system and throughout the body. This enduring and systemic pro-oxidative state within the body is reflected by increased levels of oxidative stress and inflammation biomarkers seen in smokers. Smokers might benefit from consuming antioxidant supplements, or a diet rich in fruit and vegetables, which can reduce the CS-related oxidative stress. This review provides an overview of the plasma profile of antioxidants observable in smokers and examines the heterogeneous literature to elucidate and discuss the effectiveness of interventional strategies based on antioxidant supplements or an antioxidant-rich diet to improve the health of smokers. An antioxidant-rich diet can provide an easy-to-implement and cost-effective preventative strategy to reduce the risk of CS-related diseases, thus being one of the simplest ways for smokers to stay in good health for as long as possible. The health benefits attributable to the intake of antioxidants have been observed predominantly when these have been consumed within their natural food matrices in an optimal antioxidant-rich diet, while these preventive effects are rarely achieved with the intake of individual antioxidants, even at high doses.
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Prostate cancer outcomes disparities: Population survival analysis in an ethnically diverse nation. Urol Oncol 2021; 39:367.e19-367.e26. [PMID: 33858746 DOI: 10.1016/j.urolonc.2021.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 02/21/2021] [Accepted: 02/23/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Prostate cancer represents a significant health burden on New Zealand men. There are increasing concerns regarding inequities in prostate cancer morbidity and mortality among the different ethnic groups in New Zealand. This study aims to assess ethnic differences in survival outcomes among men newly diagnosed with prostate cancer. MATERIALS AND METHODS The analyzed cohort included 42,563 men, 40 years or older, diagnosed with prostate cancer from January 1st, 2000 to January 1st, 2016. Overall and cancer-specific survivals were estimated for the main ethnic groups in New Zealand namely: Māori (indigenous), Pacific, Asian, and European. Hazard ratio (HR) of death from prostate cancer was calculated with Fine-Gray competing risk regression, while adjusting for age, socioeconomic deprivation, year of cancer diagnosis, residential status, presence of urology service, and cancer grade at diagnosis. RESULTS Among all ethnic groups, Māori participants consistently had worst survival outcomes. At 15-year follow-up, the overall cumulative survival probabilities were 39.8%, 43.6%, 63.3%, and 46.5%, for Māori, Pacific, Asian and European men, respectively. In the same order, cancer-specific survivals were 62.7%, 64.3%, 79.8% and 72.0%. Māori men had 43% higher risk of dying from prostate cancer when compared to Europeans. This persisted following adjustments in the multivariable model (adjusted HR = 1.44, [95% CI: 1.29-1.61], P< 0.001). Conversely, differences in sociodemographic and cancer characteristics between Pacific and European men could explain the higher mortality risk in the former group (adjusted HR = 1.00, [95% CI: 0.84-1.19], P= 0.990). CONCLUSIONS Significant ethnic disparities in prostate cancer survival outcomes are currently present in New Zealand. Several explanations have been proposed to account for this observation including differences in comorbidities, healthcare access and cancer grade at diagnosis.
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Shackleton EG, Ali HY, Khan M, Pockley GA, McArdle SE. Novel Combinatorial Approaches to Tackle the Immunosuppressive Microenvironment of Prostate Cancer. Cancers (Basel) 2021; 13:1145. [PMID: 33800156 PMCID: PMC7962457 DOI: 10.3390/cancers13051145] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 12/13/2022] Open
Abstract
Prostate cancer (PCa) is the second-most common cancer in men worldwide and treatment options for patients with advanced or aggressive prostate cancer or recurrent disease continue to be of limited success and are rarely curative. Despite immune checkpoint blockade (ICB) efficacy in some melanoma, lung, kidney and breast cancers, immunotherapy efforts have been remarkably unsuccessful in PCa. One hypothesis behind this lack of efficacy is the generation of a distinctly immunosuppressive prostate tumor microenvironment (TME) by regulatory T cells, MDSCs, and type 2 macrophages which have been implicated in a variety of pathological conditions including solid cancers. In PCa, Tregs and MDSCs are attracted to TME by low-grade chronic inflammatory signals, while tissue-resident type 2 macrophages are induced by cytokines such as IL4, IL10, IL13, transforming growth factor beta (TGFβ) or prostaglandin E2 (PGE2) produced by Th2 cells. These then drive tumor progression, therapy resistance and the generation of castration resistance, ultimately conferring a poor prognosis. The biology of MDSC and Treg is highly complex and the development, proliferation, maturation or function can each be pharmacologically mediated to counteract the immunosuppressive effects of these cells. Herein, we present a critical review of Treg, MDSC and M2 involvement in PCa progression but also investigate a newly recognized type of immune suppression induced by the chronic stimulation of the sympathetic adrenergic signaling pathway and propose targeted strategies to be used in a combinatorial modality with immunotherapy interventions such as ICB, Sipuleucel-T or antitumor vaccines for an enhanced anti-PCa tumor immune response. We conclude that a strategic sequence of therapeutic interventions in combination with additional holistic measures will be necessary to achieve maximum benefit for PCa patients.
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Affiliation(s)
- Erin G. Shackleton
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
| | - Haleema Yoosuf Ali
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
| | - Masood Khan
- Department of Urology, University Hospitals of Leicester NHS Trust, Leicester LE1 5WW, UK;
| | - Graham A. Pockley
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
- Centre for Health, Ageing and Understanding Disease, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
| | - Stephanie E. McArdle
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
- Centre for Health, Ageing and Understanding Disease, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
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Geographical variations of socioeconomic status and prostate cancer mortality in Taiwan. Cancer Causes Control 2021; 32:203-210. [PMID: 33392902 DOI: 10.1007/s10552-020-01374-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 11/20/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE A population-wide study was conducted to determine the association between area-level socioeconomic status and prostate cancer mortality in Taiwan. METHODS Age-period-cohort analysis was performed to adjust the time-trend variation. The area-level socioeconomic factors included proportion with a higher education, average income tax, population density, and clinical workload. RESULTS After adjustment for time-trend variations in age, period, and cohort, prostate cancer mortality was significantly lower in the groups with the highest higher education proportion (rate ratio 0.88; 95% Confidence Intervals 0.83-0.93), average income tax (RR 0.90; 95% CIs 0.86-0.94), and population density (RR 0.88; 95% CI 0.83-0.93). When all variables were incorporated into one model, the rate ratio of prostate cancer mortality was 0.92 (95% CIs 0.88-0.97) in the region with the highest average income tax level compared with that with the lowest level, but differences in the other socioeconomic factors were not significant. CONCLUSIONS This study revealed a significantly lower prostate cancer mortality rate in areas with a high higher education proportion, average income tax level, and population density compared with areas of low socioeconomic status in Taiwan.
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Abu-Salha Y, Matulewicz RS, Bjurlin MA. Letter to the Editor. Cancer Invest 2020; 39:202-203. [PMID: 33089734 DOI: 10.1080/07357907.2020.1841219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Yousef Abu-Salha
- Department of Urology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Richard S Matulewicz
- Departments of Urology and Population Health, NYU Grossman School of Medicine, New York, New York
| | - Marc A Bjurlin
- Department of Urology, University of North Carolina, Chapel Hill, North Carolina, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina, USA
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Sato N, Shiota M, Shiga KI, Kashiwagi E, Takeuchi A, Inokuchi J, Yokomizo A, Naito S, Eto M. Effect of Smoking on Oncological Outcome among Prostate Cancer Patients after Radical Prostatectomy with Neoadjuvant Hormonal Therapy. Cancer Invest 2020; 38:559-564. [PMID: 33016145 DOI: 10.1080/07357907.2020.1833212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We analyzed the association between smoking and oncological outcome after radical prostatectomy with neoadjuvant hormonal therapy. This study included men who had undergone radical prostatectomy with neoadjuvant hormonal therapy between 2003 and 2016. We evaluated the association between clinicopathological factors and smoking status as well as the prognostic significance of smoking status in biochemical recurrence. The patients' backgrounds were comparable between smokers and nonsmokers. Smoking status were identified as significant risk factors of biochemical recurrence. Smoking was a risk factor of biochemical recurrence, suggesting that smoking may promote cancer recurrence after surgical treatment combined with hormonal therapy.
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Affiliation(s)
- Nobuaki Sato
- Department of Urology, Harasanshin Hospital, Fukuoka, Japan
| | - Masaki Shiota
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | | | - Eiji Kashiwagi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ario Takeuchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Junichi Inokuchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akira Yokomizo
- Department of Urology, Harasanshin Hospital, Fukuoka, Japan
| | - Seiji Naito
- Department of Urology, Harasanshin Hospital, Fukuoka, Japan
| | - Masatoshi Eto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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45
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Racial and ethnic differences in risk of second primary cancers among prostate cancer survivors. Cancer Causes Control 2020; 31:1011-1019. [PMID: 32839916 DOI: 10.1007/s10552-020-01336-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 08/06/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE Previous studies have shown an overall decreased risk of second cancers among prostate cancer survivors, but this has not been comprehensively examined by race/ethnicity. We conducted a retrospective cohort study of 716,319 one-year survivors of prostate cancer diagnosed at ages 35-84 during 2000-2015 as reported to 17 US Surveillance, Epidemiology and End Results (SEER) registries. METHODS We estimated standardized incidence ratios (SIRs) for second primary non-prostate malignancies by race/ethnicity (non-Latino white, Black, Asian/Pacific Islander [API] and Latino), by Gleason, and by time since prostate cancer diagnosis. Poisson regression models were used to test heterogeneity between groups with the expected number as the offset. RESULTS 60,707 second primary malignancies were observed. SIRs for all second cancers combined varied significantly by race/ethnicity: SIRwhite: 0.88 (95% confidence interval: 0.87-0.89), SIRLatino: 0.92 (0.89-0.95), SIRBlack: 0.97 (0.95-0.99), and SIRAPI: 1.05 (1.01-1.09) (p-heterogeneity < 0.001). SIRs for all cancers combined were higher among survivors of higher vs. lower Gleason prostate cancers irrespective of race/ethnicity. We observed significant heterogeneity by race/ethnicity in SIRs for 9 of 14 second cancer types investigated including lung, bladder, kidney, and liver. CONCLUSIONS Our results confirm that most prostate cancer survivors have lower risks of second cancers than expected, but the magnitude varied by race/ethnicity. Exceptionally, API men had small but significantly increased risk. Further research to understand drivers of the observed race/ethnicity heterogeneity is warranted.
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Improving identification of candidates for lung cancer screening in a high risk population. Lung Cancer 2020; 148:79-85. [PMID: 32827761 DOI: 10.1016/j.lungcan.2020.07.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 01/23/2023]
Abstract
BACKGROUND Low dose computerized tomography (LDCT) has been shown to reduce lung cancer specific mortality by 20 %. Despite U.S. Preventive Services Task Force (USPSTF) endorsement, screening of appropriate patients in the U.S. remains low, at 1.9 %. The goal of this study was to assess the number and type of patients that would qualify for lung cancer screening based upon recommendations by various guidelines. METHODS We prospectively collected a patient reported questionnaire, including smoking history, family history, exposure history, and demographics, from April-October 2017 from new consults in the Department of Radiation Oncology and Otolaryngology (ORL). Patients smoking status and patient factors were collected and reported. Patients qualifying for screening by USPSTF, the National Comprehensive Cancer Network (NCCN), and Tammemagi scoring criteria were identified. Multivariate analysis assessed the factors associated with positive criteria for screening and the sensitivity of each criterion was calculated. RESULTS There were 546 new consults during the study period and 528 successfully completed the questionnaire. A total of 104/528 (20 %) patients who completed questionnaires qualified for screening based on any guideline. After exclusion of active lung cancer (n = 19), poor prognosis (n = 24), and CT as part of surveillance (n = 16), 45 (8.5 %) patients would require LDCT. Of the entire population, 10 %, 11 % and 18 % of patients qualified based on USPSTF, NCCN, and Tammemagi, which was reduced to 4.9 %, 5.3 %, and 7.8 %, respectively after exclusions. Patients with head and neck cancer (40 %), skin cancer (27 %), and prostate cancer (11 %) accounted for the majority of patients eligible for screening after exclusions. The sensitivity of the USPSTF, NCCN, and Tammemagi criteria in patients with a diagnosis of lung cancer (n = 26) was 38.5 % (CI95 20.2 %-59.4 %), 46.2 % (CI95 26.6 %-66.6 %), and 61.5 % (CI95 40.6 %-79.8 %), respectively. CONCLUSIONS We successfully identified 9 % of an oncology population at consultation who could benefit from lung cancer screening in survivorship. Distribution of a written or electronic questionnaire at consultation is a simple, low cost, effective method of identifying patients who would benefit from LDCT.
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A review of the effects of tobacco smoking on the treatment of prostate cancer. JOURNAL OF RADIOTHERAPY IN PRACTICE 2020. [DOI: 10.1017/s1460396920000552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
AbstractBackground:Prostate cancer is the most commonly diagnosed malignancy and the third leading cause of death among Canadian men. The standard treatment modalities for prostate cancer include prostatectomy, radiation therapy, hormonal therapy and chemotherapy or any combination depending on the stage of the tumour. However, several studies have reported that tobacco smoking at the time of diagnosis and during treatment can potentially impact treatment efficacy, outcome and patients quality of life after treatment.Materials and methods:This narrative literature review elucidates the impacts of tobacco smoking on prostate cancer progression, treatment efficacy, including its effects on prostatectomy, radiation therapy and chemotherapy, risk of cancer recurrence and mortality and quality of life after treatment. Furthermore, we discuss the importance of integrating a smoking cessation programme into the treatment regimen for prostate cancer patients in order to yield more favourable treatment outcomes, reduce risk of recurrence and mortality and increase the quality of life after treatment for prostate cancer patients.Conclusions:Smoking cessation is one of the most important interventions to prevent cancer and it is also essential after the diagnosis of prostate cancer to improve clinical outcomes. All prostate cancer patients should be advised to quit tobacco use since it can potentially improve treatment response rates and survival, as well as reduce the risk of developing treatment complications and potentially improve the quality of life after treatment. There are several benefits to smoking cessation and it should become an important component of the cancer care continuum in all oncology programmes, starting from prevention of cancer through diagnosis, treatment, survivorship and palliative care. Evidence-based smoking cessation intervention should be sustainably integrated into any comprehensive cancer programme, and the information should be targeted to the specific benefits of cessation in cancer patients.
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Husby A, Wohlfahrt J, Melbye M. Vasectomy and Prostate Cancer Risk: A 38-Year Nationwide Cohort Study. J Natl Cancer Inst 2020; 112:71-77. [PMID: 31119294 DOI: 10.1093/jnci/djz099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 03/08/2018] [Accepted: 05/16/2019] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND A man's risk of prostate cancer has been linked to his prior reproductive history, with low sperm quality, low ejaculation frequency, and a low number of offspring being associated with increased prostate cancer risk. It is, however, highly controversial whether vasectomy, a common sterilization procedure for men, influences prostate cancer risk. METHODS We established a cohort of all Danish men (born between 1937 and 1996) and linked information on vasectomy, doctor visits, socioeconomic factors, and cancer from nationwide registries using unique personal identification numbers. Incidence risk ratios for prostate cancer by time since vasectomy and age at vasectomy during the follow-up were estimated using log-linear Poisson regression. RESULTS Overall, 26 238 cases of prostate cancer occurred among 2 150 162 Danish men during 53.4 million person-years of follow-up. Overall, vasectomized men had an increased risk of prostate cancer compared with nonvasectomized men (relative risk = 1.15, 95% confidence interval = 1.10 to 1.20). The increased risk of prostate cancer following vasectomy persisted for at least 30 years after the procedure and was observed regardless of age at vasectomy and cancer stage at diagnosis. Adjustment for the number of visits to the doctor and socioeconomic factors did not explain the association. CONCLUSIONS Vasectomy is associated with a statistically significantly increased long-term risk of prostate cancer. The absolute increased risk following vasectomy is nevertheless small, but our finding supports a relationship between reproductive factors and prostate cancer risk.
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Affiliation(s)
- Anders Husby
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Department of Biomedical Data Science, Stanford University School of Medicine, Stanford, CA
| | - Jan Wohlfahrt
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Mads Melbye
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Department of Medicine, Stanford University School of Medicine, Stanford, CA.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Barnett TE, Lu Y, Gehr AW, Ghabach B, Ojha RP. Smoking cessation and survival among people diagnosed with non-metastatic cancer. BMC Cancer 2020; 20:726. [PMID: 32758159 PMCID: PMC7405359 DOI: 10.1186/s12885-020-07213-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 07/24/2020] [Indexed: 11/27/2022] Open
Abstract
Background We aimed to estimate the effects of smoking cessation on survival among people diagnosed with cancer. Methods We used data from a Comprehensive Community Cancer Program that is part of a large urban safety-net hospital system. Eligible patients were diagnosed with primary invasive solid tumors between 2013 and 2015, and were current smokers at time of diagnosis. Our exposure of interest was initiation of smoking cessation within 6 months of cancer diagnosis. We estimated inverse probability weighted restricted mean survival time (RMST) differences and risk ratio (RR) for all cause 3-year mortality. Results Our study population comprised 369 patients, of whom 42% were aged < 55 years, 59% were male, 44% were racial/ethnic minorities, and 59% were uninsured. The 3-year RMST was 1.8 (95% CL: − 1.5, 5.1) months longer for individuals who initiated smoking cessation within 6 months of cancer diagnosis. The point estimate for risk of 3-year mortality was lower for initiation of smoking cessation within 6 months of diagnosis compared with no initiation within 6 months (RR = 0.72, 95% CL: 0.37, 1.4). Conclusions Our point estimates suggest longer 3-year survival, but the results are compatible with 1.5 month shorter or 5.1 longer 3-year overall survival after smoking cessation within 6 months of cancer diagnosis. Future studies with larger sample sizes that test the comparative effectiveness of different smoking cessation strategies are needed for more detailed evidence to inform decision-making about the effect of smoking cessation on survival among cancer patients. Implications for Cancer survivors The benefits of smoking cessation after cancer diagnosis may include longer survival, but the magnitude of benefit is unclear.
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Affiliation(s)
- Tracey E Barnett
- School of Public Health, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX, 76107, USA.
| | - Yan Lu
- Center for Outcomes Research, JPS Health Network, 1500 S. Main Street, Fort Worth, TX, 76104, USA
| | - Aaron W Gehr
- Center for Outcomes Research, JPS Health Network, 1500 S. Main Street, Fort Worth, TX, 76104, USA
| | - Bassam Ghabach
- JPS Oncology and Infusion Center, JPS Health Network, 610 W. Terrell Ave., Fort Worth, TX, 76104, USA
| | - Rohit P Ojha
- School of Public Health, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX, 76107, USA.,Department of Biostatistics and Epidemiology, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX, 76107, USA
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50
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Xu X, Fallah M, Tian Y, Mukama T, Sundquist K, Sundquist J, Brenner H, Kharazmi E. Risk of invasive prostate cancer and prostate cancer death in relatives of patients with prostatic borderline or in situ neoplasia: A nationwide cohort study. Cancer 2020; 126:4371-4378. [PMID: 32697345 DOI: 10.1002/cncr.33096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/14/2020] [Accepted: 06/22/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND The question of whether having a family history of prostatic borderline or in situ neoplasia (PBISN) is associated with an increased risk of invasive prostate cancer (PCa) or death from PCa remains unanswered. The objective of the current study was to provide an evidence-based risk estimation for the relatives of patients with PBISN. METHODS Nationwide Swedish family cancer data sets were used for the current study, including data regarding all residents of Sweden who were born after 1931 and their parents. Standardized incidence ratios (SIRs), standardized mortality ratios (SMRs), and lifetime cumulative risks of PCa were calculated for men with different constellations of family history. Family history was defined as a dynamic (time-dependent) variable considering changes during follow-up (1958-2015). RESULTS Of the 6,343,727 men in the current study, a total of 238,961 developed invasive PCa and 5756 were diagnosed with PBISN during the follow-up. Men with 1 first-degree relative who was diagnosed with PBISN had a 70% increased risk of invasive PCa (SIR, 1.7; 95% confidence interval, 1.5-1.9) and PCa death (SMR, 1.7; 95% confidence interval, 1.3-2.2) compared with men with no family history of PBISN or invasive PCa. These were rather close to estimates in men with 1 first-degree relative diagnosed with invasive PCa (SIR, 2.1 and SMR, 1.8). A higher risk of PCa in family members was found among patients with a family history of PBISN and/or PCa diagnosed before age 60 years. The results in terms of cumulative risk resembled this trend. CONCLUSIONS A family history of PBISN appears to be as important as a family history of invasive PCa with regard to an increased risk of invasive PCa or PCa mortality. Such a history should not be overlooked in PCa screening recommendations or in future research regarding familial PCa.
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Affiliation(s)
- Xing Xu
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Medical Faculty Heidelberg, University of Heidelberg, Heidelberg, Germany
| | - Mahdi Fallah
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Center for Primary Health Care Research, Lund University, Malmo, Sweden
| | - Yu Tian
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Medical Faculty Heidelberg, University of Heidelberg, Heidelberg, Germany
| | - Trasias Mukama
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Medical Faculty Heidelberg, University of Heidelberg, Heidelberg, Germany
| | - Kristina Sundquist
- Center for Primary Health Care Research, Lund University, Malmo, Sweden.,Department of Family Medicine and Community Health, Icahn School of Medicine at Mount Sinai, New York, New York.,Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York.,Center for Community-based Healthcare Research and Education, Department of Functional Pathology, School of Medicine, Shimane University, Izumo, Japan
| | - Jan Sundquist
- Center for Primary Health Care Research, Lund University, Malmo, Sweden.,Department of Family Medicine and Community Health, Icahn School of Medicine at Mount Sinai, New York, New York.,Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York.,Center for Community-based Healthcare Research and Education, Department of Functional Pathology, School of Medicine, Shimane University, Izumo, Japan
| | - Hermann Brenner
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany.,German Cancer Consortium, German Cancer Research Center, Heidelberg, Germany
| | - Elham Kharazmi
- Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Center for Primary Health Care Research, Lund University, Malmo, Sweden.,Statistical Genetics Group, Institute of Medical Biometry and Informatics, University Hospital Heidelberg, Heidelberg, Germany
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