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Youth temperament, harsh parenting, and variation in the oxytocin receptor gene forecast allostatic load during emerging adulthood.

ABSTRACT: An association has been found between receipt of harsh parenting in childhood and adult health problems. However, this research has been principally retrospective, has treated children as passive recipients of parental behavior, and has overlooked individual differences in youth responsivity to harsh parenting. In a 10-year multiple-wave prospective study of African American families, we addressed these issues by focusing on the influence of polymorphisms in the oxytocin receptor gene (OXTR), variants of which appear to buffer or amplify responses to environmental stress. The participants were 303 youths, with a mean age of 11.2 at the first assessment, and their parents, all of whom were genotyped for variations in the rs53576 (A/G) polymorphism. Teachers rated preadolescent (ages 11 to 13) emotionally intense and distractible temperaments, and adolescents (ages 15 and 16) reported receipt of harsh parenting. Allostatic load was assessed during young adulthood (ages 20 and 21). Difficult preadolescent temperament forecast elevated receipt of harsh parenting in adolescence, and adolescents who experienced harsh parenting evinced high allostatic load during young adulthood. However, these associations emerged only among children and parents who carried A alleles of the OXTR genotype. The results suggest the oxytocin system operates along with temperament and parenting to forecast young adults' allostatic load.

SUBMITTER: Brody GH

PROVIDER: S-EPMC5154781 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Youth temperament, harsh parenting, and variation in the oxytocin receptor gene forecast allostatic load during emerging adulthood.

Brody Gene H GH Yu Tianyi T Barton Allen W AW Miller Gregory E GE Chen Edith E

Development and psychopathology 20160613 3

An association has been found between receipt of harsh parenting in childhood and adult health problems. However, this research has been principally retrospective, has treated children as passive recipients of parental behavior, and has overlooked individual differences in youth responsivity to harsh parenting. In a 10-year multiple-wave prospective study of African American families, we addressed these issues by focusing on the influence of polymorphisms in the oxytocin receptor gene (OXTR), va ...[more]

PMID: 27292275

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Project description:PurposeResearch consistently connects parental and youth substance misuse, yet less is known about the mechanisms driving this association among justice-involved youth. We examine whether harsh parenting is an explanatory mechanism for the association between parental substance use and parental mental health and youth substance use disorder in a sample of justice-involved youth.MethodsData were drawn from the Northwestern Juvenile Project, a large-scale longitudinal survey of mental health and substance misuse in a representative sample of youth in juvenile detention. Harsh parenting, child maltreatment, youth alcohol and cannabis use disorder, and parental substance misuse and mental health were assessed among 1,825 detained youth (35.95% female) at baseline, three-year follow-up, and four-year follow-up.ResultsAt baseline, over 80% of youth used alcohol and/or cannabis; at the four-year follow-up, 16.35% and 19.69% of the youth were diagnosed with alcohol and cannabis use disorder, respectively. More than 20% of youth reported their parent misused substances and 6.11% reported a parent had a severe mental health need. Black youth experienced significantly fewer types of harsh parenting compared to White youth. Multivariate path analyses revealed harsh parenting mediated the association between parental substance misuse and mental health on youth alcohol and cannabis use disorder. Harsh parenting that does not rise to the level of child maltreatment mediated the association between parental substance misuse and mental health on youth alcohol use disorder; in contrast, child maltreatment did not mediate these associations. Multigroup analyses revealed the effect of harsh parenting on youth alcohol and cannabis use disorder did not vary across sex or race-ethnic subgroups.ConclusionsHarsh parenting represents one mechanism for the intergenerational continuity of alcohol and cannabis misuse and should be regularly assessed for and addressed in juvenile justice settings.

Project description:Background Prevention of hearing loss via addressing potentially modifiable risk factors may offer means of reducing the global burden of hearing loss. Prior studies reported associations between individual markers of inflammation and risk of hearing impairment. Allostatic load is an index of cumulative physiological stressors, including inflammation, to multiple biological systems. Our aims were to investigate associations between allostatic load and both audiometric and self-reported hearing impairment and examine whether associations are stronger over time due to prolonged high allostatic load. Methods Data were taken from the English Longitudinal Study of Ageing (ELSA), a nationally representative study of people aged 50+ living in England over 3 time points between 2008 and 2014. Allostatic load score was comprised of thirteen different measures available at baseline and 4 years post-baseline (high-density lipoprotein/total cholesterol, triglyceride, fibrinogen, haemoglobin A1c, C-reactive protein, insulin-like growth factor 1 (IGF-1), systolic and diastolic blood pressure, mean arterial pressure, resting pulse rate, peak expiratory flow, BMI and waist circumference), measured using clinical cut-off points for normal biomarker parameters. Hearing acuity was measured with a simple handheld tone-producing device at follow-up 7 years post-baseline, while self-reported hearing impairment was measured at time point. Results We included samples of 4373 and 4430 for the cross-sectional and longitudinal analysis, respectively. In the cross-sectional model high allostatic load was associated both self-reported (OR = 1.08, 95% CI 1.0,1.1; p < 0.01) and objective hearing loss (OR = 1.10, 95% CI 1.1,1.2; p < 0.001) adjusting for age and sex. Cross-sectional associations between allostatic load and hearing were not significant after further adjustment for covariates (qualification, physical activity and smoking). In longitudinal modelling, high allostatic load was associated with both audiometric (Z score OR = 1.11, 95% CI 1.1,1.2; p < 0.001) and self-reported hearing impairment (OR = 1.08, 95% CI 1.0,1.1; p < 0.001) adjusting for age and sex. Allostatic load was no longer associated with self-reported hearing loss but the association with audiometric hearing impairment (OR = 1.08, 95% CI 1.03,1.13; p < 0.001) remained following additional adjustment for baseline self-reported hearing, education, physical activity, and smoking. Conclusions Prolonged high allostatic load was associated with risk of hearing impairment. Reducing allostatic load via healthy lifestyle changes including non-smoking, healthy diet and exercise may offer an opportunity to reduce the risk of hearing impairment in later life. Highlights • Allostatic load captures cumulative physiological stress which has consequence for subsequent hearing function.• Prolonged high allostatic load was associated with risk of objectively measured hearing impairment.• This association is shown in nationally representative longitudinal ageing study.

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Youth temperament, harsh parenting, and variation in the oxytocin receptor gene forecast allostatic load during emerging adulthood.

Publications

Youth temperament, harsh parenting, and variation in the oxytocin receptor gene forecast allostatic load during emerging adulthood.

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