D. T. Bassil, B. Zheng, B. Su, D. Kafetsouli, C. Udeh-Momoh, I. Tzoulaki, S. Ahmadi-Abhari, D. C. Muller, Elio Riboli, L. T. Middleton
{"title":"癌症诊断后痴呆症发病率降低:来自大型队列和孟德尔随机研究的证据","authors":"D. T. Bassil, B. Zheng, B. Su, D. Kafetsouli, C. Udeh-Momoh, I. Tzoulaki, S. Ahmadi-Abhari, D. C. Muller, Elio Riboli, L. T. Middleton","doi":"10.14283/jpad.2024.135","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background</h3><p>The reported inverse association between cancer and subsequent Alzheimer’s disease and related dementias (ADRD) remains uncertain.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>To investigate the association between these common conditions of old age and explore possible causal factors.</p><h3 data-test=\"abstract-sub-heading\">Design, Setting, Participants and Measurements</h3><p>We conducted a large population-based cohort analysis using data from 3,021,508 individuals aged 60 and over in the UK Clinical Practice Research Datalink (CPRD), over a period up to 30 years (1988–2018). Cox proportional hazards models were fitted to estimate hazard ratios (HR) for risk of dementia associated with previous cancer diagnosis. Competing risk models were employed to account for competing risk of death. Two-sample Mendelian Randomization analysis based on meta-analysis data from large-scale GWAS studies was also conducted.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>In the CPRD cohort, 412,903 participants had cancer diagnosis and 230,558 were subsequently diagnosed with dementia over a median follow-up period of 7.9 years. Cancer survivors had a 25% lower risk of developing dementia (HR=0.75, 95% CI:0.74–0.76) after adjustment for potential confounders. Accounting for competing risk of death provided a sub-distribution HR of 0.56 (95% CI:0.55–0.56). Results were consistent for prevalent and incident cancer and different common cancer types. Two-sample Mendelian Randomization analysis, using 357 cancer-related instrumental single-nucleotide polymorphisms (SNPs) revealed evidence of vertical pleiotropy between genetically predicted cancer and reduced risk of Alzheimer’s disease (OR=0.97,95% CI:0.95–0.99).</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Our results provide strong epidemiological evidence of the inverse association between cancer and risk of ADRD and support the potential causal nature of this association via genetic instruments. Further investigations into the precise underlying biological mechanisms may reveal valuable information for new therapeutic approaches.</p>","PeriodicalId":22711,"journal":{"name":"The Journal of Prevention of Alzheimer's Disease","volume":null,"pages":null},"PeriodicalIF":4.3000,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Lower Incidence of Dementia Following Cancer Diagnoses: Evidence from a Large Cohort and Mendelian Randomization Study\",\"authors\":\"D. T. Bassil, B. Zheng, B. Su, D. Kafetsouli, C. Udeh-Momoh, I. Tzoulaki, S. Ahmadi-Abhari, D. C. Muller, Elio Riboli, L. T. Middleton\",\"doi\":\"10.14283/jpad.2024.135\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<h3 data-test=\\\"abstract-sub-heading\\\">Background</h3><p>The reported inverse association between cancer and subsequent Alzheimer’s disease and related dementias (ADRD) remains uncertain.</p><h3 data-test=\\\"abstract-sub-heading\\\">Objectives</h3><p>To investigate the association between these common conditions of old age and explore possible causal factors.</p><h3 data-test=\\\"abstract-sub-heading\\\">Design, Setting, Participants and Measurements</h3><p>We conducted a large population-based cohort analysis using data from 3,021,508 individuals aged 60 and over in the UK Clinical Practice Research Datalink (CPRD), over a period up to 30 years (1988–2018). Cox proportional hazards models were fitted to estimate hazard ratios (HR) for risk of dementia associated with previous cancer diagnosis. Competing risk models were employed to account for competing risk of death. Two-sample Mendelian Randomization analysis based on meta-analysis data from large-scale GWAS studies was also conducted.</p><h3 data-test=\\\"abstract-sub-heading\\\">Results</h3><p>In the CPRD cohort, 412,903 participants had cancer diagnosis and 230,558 were subsequently diagnosed with dementia over a median follow-up period of 7.9 years. Cancer survivors had a 25% lower risk of developing dementia (HR=0.75, 95% CI:0.74–0.76) after adjustment for potential confounders. Accounting for competing risk of death provided a sub-distribution HR of 0.56 (95% CI:0.55–0.56). Results were consistent for prevalent and incident cancer and different common cancer types. Two-sample Mendelian Randomization analysis, using 357 cancer-related instrumental single-nucleotide polymorphisms (SNPs) revealed evidence of vertical pleiotropy between genetically predicted cancer and reduced risk of Alzheimer’s disease (OR=0.97,95% CI:0.95–0.99).</p><h3 data-test=\\\"abstract-sub-heading\\\">Conclusion</h3><p>Our results provide strong epidemiological evidence of the inverse association between cancer and risk of ADRD and support the potential causal nature of this association via genetic instruments. 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Lower Incidence of Dementia Following Cancer Diagnoses: Evidence from a Large Cohort and Mendelian Randomization Study
Background
The reported inverse association between cancer and subsequent Alzheimer’s disease and related dementias (ADRD) remains uncertain.
Objectives
To investigate the association between these common conditions of old age and explore possible causal factors.
Design, Setting, Participants and Measurements
We conducted a large population-based cohort analysis using data from 3,021,508 individuals aged 60 and over in the UK Clinical Practice Research Datalink (CPRD), over a period up to 30 years (1988–2018). Cox proportional hazards models were fitted to estimate hazard ratios (HR) for risk of dementia associated with previous cancer diagnosis. Competing risk models were employed to account for competing risk of death. Two-sample Mendelian Randomization analysis based on meta-analysis data from large-scale GWAS studies was also conducted.
Results
In the CPRD cohort, 412,903 participants had cancer diagnosis and 230,558 were subsequently diagnosed with dementia over a median follow-up period of 7.9 years. Cancer survivors had a 25% lower risk of developing dementia (HR=0.75, 95% CI:0.74–0.76) after adjustment for potential confounders. Accounting for competing risk of death provided a sub-distribution HR of 0.56 (95% CI:0.55–0.56). Results were consistent for prevalent and incident cancer and different common cancer types. Two-sample Mendelian Randomization analysis, using 357 cancer-related instrumental single-nucleotide polymorphisms (SNPs) revealed evidence of vertical pleiotropy between genetically predicted cancer and reduced risk of Alzheimer’s disease (OR=0.97,95% CI:0.95–0.99).
Conclusion
Our results provide strong epidemiological evidence of the inverse association between cancer and risk of ADRD and support the potential causal nature of this association via genetic instruments. Further investigations into the precise underlying biological mechanisms may reveal valuable information for new therapeutic approaches.
期刊介绍:
The JPAD Journal of Prevention of Alzheimer’Disease will publish reviews, original research articles and short reports to improve our knowledge in the field of Alzheimer prevention including: neurosciences, biomarkers, imaging, epidemiology, public health, physical cognitive exercise, nutrition, risk and protective factors, drug development, trials design, and heath economic outcomes.JPAD will publish also the meeting abstracts from Clinical Trial on Alzheimer Disease (CTAD) and will be distributed both in paper and online version worldwide.We hope that JPAD with your contribution will play a role in the development of Alzheimer prevention.