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  • Familial Transmission of Suicidal Behavior - PMC
    Adoption, twin, and family studies support the view that the etiology of the familial transmission of suicidal behavior is at least in part genetic, and may be mediated by the transmission of intermediate phenotypes, such as impulsive aggression
  • Genetic influences on suicide and nonfatal suicidal behavior . . .
    Twin studies of suicidal ideation and suicide attempts also implicate genetic influences, even when accounting for the effects of psychopathology Future work is needed to evaluate the possibility of age and gender differences in heritability of suicide and nonfatal suicidal behavior
  • Genetics of suicide: a systematic review of twin studies
    The totality of evidence from twin studies of suicide strongly suggests genetic contributions to liability for suicidal behavior To further research progress in this area, an extensive discussion of design limitations, shortcomings of the literature and further points is provided, including sources …
  • Suicidal Behavior in Surviving Co-Twins | Twin Research and . . .
    Recent research has provided strong support for the existence of a familial risk for suicide, and efforts have been made to separate genetic from enviromental risk factors
  • Genetic and other risk factors for suicidal ideation and the . . .
    We showed higher concordance of suicidal ideation among MZ than DZ twins, consistent with a genetic influence on suicidal ideation This translated to a significant contribution of additive genetic factors (heritability estimate: 57%) for suicidal ideation
  • On the Genetic and Environmental Relationship Between Suicide . . .
    We found that attempts and suicide death were moderately heritable, with estimates from our twin-family approach (A=0 41–0 52) considerably higher than those from molecular genetic studies (h 2 SNP =0 03 for suicide attempt ; h 2 SNP =0 16 for suicide death ), as is common across these different methodological approaches in part because of
  • Genetic Influences on Suicide and Nonfatal Suicidal Behavior . . .
    Twin studies of various methodologies have sustained the genetic influence over suicide, finding that monozygotic twins have higher rates of suicide attempt and completed suicide concordance





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