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Maternal age affects brain metabolism in adult children of mothers affected by Alzheimer's disease.

ABSTRACT: Cognitively normal (NL) individuals with a maternal history of late-onset Alzheimer's disease (MH) show reduced brain glucose metabolism on FDG-PET as compared to those with a paternal history (PH) and those with negative family history (NH) of Alzheimer's disease (AD). This FDG-PET study investigates whether metabolic deficits in NL MH are associated with advancing maternal age at birth. Ninety-six NL individuals with FDG-PET were examined, including 36 MH, 24 PH, and 36 NH. Regional-to-whole brain gray matter standardized FDG uptake value ratios were examined for associations with parental age across groups using automated regions-of-interest and statistical parametric mapping. Groups were comparable for clinical and neuropsychological measures. Brain metabolism in AD-vulnerable regions was lower in MH compared to NH and PH, and negatively correlated with maternal age at birth only in MH. There were no associations between paternal age and metabolism in any group. Evidence for a maternally inherited, maternal age-related mechanism provides further insight on risk factors and genetic transmission in late-onset AD.

SUBMITTER: Mosconi L

PROVIDER: S-EPMC3155000 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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Maternal age affects brain metabolism in adult children of mothers affected by Alzheimer's disease.

Mosconi Lisa L Tsui Wai W Murray John J McHugh Pauline P Li Yi Y Williams Schantel S Pirraglia Elizabeth E Glodzik Lidia L De Santi Susan S Vallabhajosula Shankar S de Leon Mony J MJ

Neurobiology of aging 20110422 3

Cognitively normal (NL) individuals with a maternal history of late-onset Alzheimer's disease (MH) show reduced brain glucose metabolism on FDG-PET as compared to those with a paternal history (PH) and those with negative family history (NH) of Alzheimer's disease (AD). This FDG-PET study investigates whether metabolic deficits in NL MH are associated with advancing maternal age at birth. Ninety-six NL individuals with FDG-PET were examined, including 36 MH, 24 PH, and 36 NH. Regional-to-whole b ...[more]

PMID: 21514691

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Project description:Two-generation studies demonstrate that treating maternal depression benefits school-age children. Although mothers prefer psychotherapy to medication, little is known about how psychotherapy for maternal depression affects offspring, especially in very high-risk families in which both mothers and children concurrently meet syndromal criteria for psychiatric disorders. This trial evaluated the effects of 2 brief psychotherapies for maternal depression on very high-risk families.Mothers with major depressive disorder were randomly assigned to 9 sessions of either brief interpersonal psychotherapy for mothers (IPT-MOMS; n = 85) or brief supportive psychotherapy (BSP; n = 83). Independent assessors evaluated mothers and their children, ages 7 to 18 years, diagnosed with at least 1 internalizing disorder, every 3 months over the course of 1 year.Symptoms and functioning of mothers and children improved significantly over time, with no between-group differences. However, children of mothers assigned to BSP had more outpatient mental health visits and were more likely to receive antidepressant medication. Mothers reported greater satisfaction with IPT-MOMS than BSP. Improvement in mothers' depressive symptoms was associated with improvement in child functioning in time-lagged fashion, with children improving 3 to 6 months after mothers improved. Antidepressant medication use and number of mental health visits received by children did not affect outcomes.IPT-MOMS and BSP demonstrated comparable beneficial effects on maternal depression. Children's functioning improved following maternal improvement, independent of youths' treatment. Children of mothers randomized to IPT-MOMS, compared with BSP, achieved comparable outcomes despite less follow-up treatment. Observation of lagged association between maternal improvement and change in child functioning should influence treatment planning for families. Clinical trial registration information-Psychotherapy for Depressed Mothers of Psychiatrically Ill Children; http://clinicaltrials.gov/; NCT00919594.

Dataset Information

Maternal age affects brain metabolism in adult children of mothers affected by Alzheimer's disease.

Publications

Maternal age affects brain metabolism in adult children of mothers affected by Alzheimer's disease.

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