Epigenetics and the Biological Definition of Gene x Environment Interactions

被引:650
作者
Meaney, Michael J. [1 ]
机构
[1] McGill Univ, Douglas Mental Hlth Univ Inst, Verdun, PQ H4H 1R3, Canada
关键词
SEROTONIN TRANSPORTER GENE; CORTICOTROPIN-RELEASING-FACTOR; STRESSFUL LIFE EVENTS; CORTICOSTEROID RECEPTOR-BINDING; PITUITARY-ADRENAL FUNCTION; EARLY REARING ENVIRONMENT; MEDIAL PREFRONTAL CORTEX; MATERNAL-CARE; GLUCOCORTICOID-RECEPTOR; DNA METHYLATION;
D O I
10.1111/j.1467-8624.2009.01381.x
中图分类号
G44 [教育心理学];
学科分类号
0402 ; 040202 ;
摘要
Variations in phenotype reflect the influence of environmental conditions during development on cellular functions, including that of the genome. The recent integration of epigenetics into developmental psychobiology illustrates the processes by which environmental conditions in early life structurally alter DNA, providing a physical basis for the influence of the perinatal environmental signals on phenotype over the life of the individual. This review focuses on the enduring effects of naturally occurring variations in maternal care on gene expression and phenotype to provide an example of environmentally driven plasticity at the level of the DNA, revealing the interdependence of gene and environmental in the regulation of phenotype.
引用
收藏
页码:41 / 79
页数:39
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