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Association Between Genetic Risk for Psychiatric Disorders and the Probability of Living in Urban Settings.
JAMA Psychiatry ( IF 22.5 ) Pub Date : 2021-12-01 , DOI: 10.1001/jamapsychiatry.2021.2983
Jessye M Maxwell 1, 2 , Jonathan R I Coleman 1, 2 , Gerome Breen 1, 2 , Evangelos Vassos 1, 2
Affiliation  

Importance Urban residence has been highlighted as an environmental risk factor for schizophrenia and, to a lesser extent, several other psychiatric disorders. However, few studies have explored genetic effects on the choice of residence. Objective To investigate whether individuals with genetic predisposition to a range of psychiatric disorders have an increased likelihood to live in urban areas. Design, Setting, and Participants A cross-sectional retrospective cohort study including genotypes, address history, and geographic distribution of population density in the UK based on census data from 1931-2011 was conducted. Polygenic risk score (PRS) analyses, genome-wide association studies, genetic correlation, and 2-sample mendelian randomization analyses were applied to 385 793 UK Biobank participants with self-reported or general practitioner registration-based address history. The study was conducted from February 2018 to May 2021, and data analysis was performed from April 2018 to May 2021. Main Outcomes and Measures Population density of residence at different ages and movement during the life span between urban and rural environments. Results In this cohort study of 385 793 unrelated UK Biobank participants (207 963 [54%] were women; age, 37-73 years; mean [SD], 56.7 [8] years), PRS analyses showed significant associations with higher population density across adult life (age 25 to >65 years) reaching highest significance at the 45- to 55-year age group for schizophrenia (88 people/km2; 95% CI, 65-98 people/km2), bipolar disorder (44 people/km2; 95% CI, 34-54 people/km2), anorexia nervosa (36 people/km2; 95% CI, 22-50 people/km2), and autism spectrum disorder (35 people/km2; 95% CI, 25-45 people/km2). The schizophrenia PRS was also significantly associated with higher birthplace population density (37 people/km2; 95% CI, 19-55 people/km2; P = 8 × 10-5). Attention-deficit/hyperactivity disorder PRS was significantly associated with reduced population density in adult life (-31 people/km2; 95% CI, -42 to -20 people/km2 at age 35-45 years). Individuals with higher PRS for schizophrenia, bipolar disorder, anorexia nervosa, and autism spectrum disorder and lower PRS for attention-deficit/hyperactivity disorder preferentially moved from rural environments to cities (difference in PRS with Tukey pairwise comparisons for schizophrenia: 0.05; 95% CI, 0.03 to 0.60; bipolar disorder: 0.10; 95% CI, 0.08 to 0.13; anorexia nervosa: 0.05; 95% CI, 0.03 to 0.07; autism spectrum disorder: 0.04; 95% CI 0.03 to 0.06; and attention-deficit/hyperactivity disorder: -0.09, 95% CI, -0.12 to -0.06). Genetic correlation results were largely consistent with PRS analyses, whereas mendelian randomization provided support for associations between schizophrenia and bipolar disorder and living in high population-density areas. Conclusions and Relevance These findings suggest that a high genetic risk for a variety of psychiatric disorders may affect an individual's choice of residence. This result supports the hypothesis of genetic selection of an individual's environment, which intersects the traditional gene-environment dichotomy.

中文翻译:

精神疾病的遗传风险与在城市环境中生活的可能性之间的关联。

重要性城市居住已被强调为精神分裂症的环境风险因素,在较小程度上也是其他几种精神疾病的风险因素。然而,很少有研究探讨遗传对居住选择的影响。目的 调查具有一系列精神疾病遗传倾向的个体是否更有可能生活在城市地区。设计、设置和参与者 基于 1931-2011 年的人口普查数据,进行了一项横断面回顾性队列研究,包括英国人口密度的基因型、地址历史和地理分布。多基因风险评分 (PRS) 分析、全基因组关联研究、遗传相关性、对 385 793 名具有自我报告或全科医生注册地址历史的英国生物银行参与者进行了 2 样本孟德尔随机化分析。该研究于2018年2月至2021年5月进行,数据分析于2018年4月至2021年5月进行。主要成果与措施 不同年龄的居住人口密度和在城市和农村环境之间的生命周期的流动。结果 在这项对 385 793 名不相关的英国生物银行参与者(207 963 [54%] 为女性;年龄,37-73 岁;平均 [SD],56.7 [8] 岁)的队列研究中,PRS 分析显示与较高的人口密度显着相关在整个成年生活(25 至 >65 岁)中,在 45 至 55 岁的精神分裂症年龄组中达到最高显着性(88 人/平方公里;95% CI,65-98 人/平方公里),双相情感障碍(44 人/km2;95% CI,34-54 人/km2)、神经性厌食症(36 人/km2;95% CI,22-50 人/km2)和自闭症谱系障碍(35 人/km2; 95% CI,25-45 人/平方公里)。精神分裂症 PRS 还与较高的出生地人口密度显着相关(37 人/km2;95% CI,19-55 人/km2;P = 8 × 10-5)。注意缺陷/多动障碍 PRS 与成年后人口密度降低显着相关(-31 人/km2;95% CI,-42 至 -20 人/km2,年龄 35-45 岁)。精神分裂症、双相情感障碍、神经性厌食症和自闭症谱系障碍 PRS 较高和注意力缺陷/多动障碍 PRS 较低的个体优先从农村环境迁移到城市(精神分裂症的 PRS 与 Tukey 成对比较的差异:0.05;95% CI , 0.03 至 0.60; 双相情感障碍:0.10;95% CI,0.08 至 0.13;神经性厌食症:0.05;95% CI,0.03 至 0.07;自闭症谱系障碍:0.04;95% CI 0.03 至 0.06;和注意力缺陷/多动障碍:-0.09,95% CI,-0.12 至 -0.06)。遗传相关性结果与 PRS 分析基本一致,而孟德尔随机化为精神分裂症和双相情感障碍之间的关联以及生活在高人口密度地区提供了支持。结论和相关性 这些发现表明,各种精神疾病的高遗传风险可能会影响个人对居住地的选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。自闭症谱系障碍:0.04;95% CI 0.03 至 0.06;和注意力缺陷/多动障碍:-0.09,95% CI,-0.12 至 -0.06)。遗传相关性结果与 PRS 分析基本一致,而孟德尔随机化为精神分裂症和双相情感障碍之间的关联以及生活在高人口密度地区提供了支持。结论和相关性 这些发现表明,各种精神疾病的高遗传风险可能会影响个人对居住地的选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。自闭症谱系障碍:0.04;95% CI 0.03 至 0.06;和注意力缺陷/多动障碍:-0.09,95% CI,-0.12 至 -0.06)。遗传相关性结果与 PRS 分析基本一致,而孟德尔随机化为精神分裂症和双相情感障碍之间的关联以及生活在高人口密度地区提供了支持。结论和相关性 这些发现表明,各种精神疾病的高遗传风险可能会影响个人对居住地的选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。遗传相关性结果与 PRS 分析基本一致,而孟德尔随机化为精神分裂症和双相情感障碍之间的关联以及生活在高人口密度地区提供了支持。结论和相关性 这些发现表明,各种精神疾病的高遗传风险可能会影响个人对居住地的选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。遗传相关性结果与 PRS 分析基本一致,而孟德尔随机化为精神分裂症和双相情感障碍之间的关联以及生活在高人口密度地区提供了支持。结论和相关性 这些发现表明,各种精神疾病的高遗传风险可能会影响个人对居住地的选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。的居住选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。的居住选择。这一结果支持了个体环境的遗传选择假设,该假设与传统的基因-环境二分法相交。
更新日期:2021-10-27
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