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Dopamine receptor D2 (DRD2), dopamine transporter solute carrier family C6, member 4 (SLC6A3), and catechol-O-methyltransferase (COMT) genes as moderators of the relation between maternal history of maltreatment and infant emotion regulation

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Title: Dopamine receptor D2 (DRD2), dopamine transporter solute carrier family C6, member 4 (SLC6A3), and catechol-O-methyltransferase (COMT) genes as moderators of the relation between maternal history of maltreatment and infant emotion regulation
Authors: Villani, Vanessa, Ludmer, Jaclyn, Gonzalez, Andrea, Levitan, Robert, Kennedy, James, Masellis, Mario, Basile, Vincenzo S., Wekerle, Christine, Atkinson, Leslie
Source: Development & Psychopathology. May2018, Vol. 30 Issue 2, p581-592. 12p.
Subjects: Dopamine receptors, Self regulation, Genotypes, Behavioral assessment of children, Psychological distress
Abstract: Although infants less than 18 months old are capable of engaging in self-regulatory behavior (e.g., avoidance, withdrawal, and orienting to other aspects of their environment), the use of self-regulatory strategies at this age (as opposed to relying on caregivers) is associated with elevated behavioral and physiological distress. This study investigated infant dopamine-related genotypes (dopamine receptor D2 [DRD2], dopamine transporter solute carrier family C6, member 4 [SLC6A3], and catechol-O-methyltransferase [COMT]) as they interact with maternal self-reported history of maltreatment to predict observed infant independent emotion regulation behavior. A community sample (N = 193) of mother–infant dyads participated in a toy frustration challenge at infant age 15 months, and infant emotion regulation behavior was coded. Buccal cells were collected for genotyping. Maternal maltreatment history significantly interacted with infant SLC6A3 and COMT genotypes, such that infants with more 10-repeat and valine alleles of SLC6A3 and COMT, respectively, relative to infants with fewer or no 10-repeat and valine alleles, utilized more independent (i.e., maladaptive) regulatory behavior if mother reported a more extensive maltreatment history, as opposed to less. The findings indicate that child genetic factors moderate the intergenerational impact of maternal maltreatment history. The results are discussed in terms of potential mechanism of Gene × Environment interaction. [ABSTRACT FROM AUTHOR]
Copyright of Development & Psychopathology is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Dopamine receptor D2 (<italic>DRD2</italic>), dopamine transporter solute carrier family C6, member 4 (<italic>SLC6A3</italic>), and catechol-<italic>O</italic>-methyltransferase (<italic>COMT</italic>) genes as moderators of the relation between maternal history of maltreatment and infant emotion regulation
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  Data: <searchLink fieldCode="AR" term="%22Villani%2C+Vanessa%22">Villani, Vanessa</searchLink><br /><searchLink fieldCode="AR" term="%22Ludmer%2C+Jaclyn%22">Ludmer, Jaclyn</searchLink><br /><searchLink fieldCode="AR" term="%22Gonzalez%2C+Andrea%22">Gonzalez, Andrea</searchLink><br /><searchLink fieldCode="AR" term="%22Levitan%2C+Robert%22">Levitan, Robert</searchLink><br /><searchLink fieldCode="AR" term="%22Kennedy%2C+James%22">Kennedy, James</searchLink><br /><searchLink fieldCode="AR" term="%22Masellis%2C+Mario%22">Masellis, Mario</searchLink><br /><searchLink fieldCode="AR" term="%22Basile%2C+Vincenzo+S%2E%22">Basile, Vincenzo S.</searchLink><br /><searchLink fieldCode="AR" term="%22Wekerle%2C+Christine%22">Wekerle, Christine</searchLink><br /><searchLink fieldCode="AR" term="%22Atkinson%2C+Leslie%22">Atkinson, Leslie</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Development+%26+Psychopathology%22">Development & Psychopathology</searchLink>. May2018, Vol. 30 Issue 2, p581-592. 12p.
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  Data: Although infants less than 18 months old are capable of engaging in self-regulatory behavior (e.g., avoidance, withdrawal, and orienting to other aspects of their environment), the use of self-regulatory strategies at this age (as opposed to relying on caregivers) is associated with elevated behavioral and physiological distress. This study investigated infant dopamine-related genotypes (dopamine receptor D2 [<italic>DRD2</italic>], dopamine transporter solute carrier family C6, member 4 [<italic>SLC6A3</italic>], and catechol-<italic>O</italic>-methyltransferase [<italic>COMT</italic>]) as they interact with maternal self-reported history of maltreatment to predict observed infant independent emotion regulation behavior. A community sample (<italic>N</italic> = 193) of mother–infant dyads participated in a toy frustration challenge at infant age 15 months, and infant emotion regulation behavior was coded. Buccal cells were collected for genotyping. Maternal maltreatment history significantly interacted with infant <italic>SLC6A3</italic> and <italic>COMT</italic> genotypes, such that infants with more 10-repeat and valine alleles of <italic>SLC6A3</italic> and <italic>COMT,</italic> respectively, relative to infants with fewer or no 10-repeat and valine alleles, utilized more independent (i.e., maladaptive) regulatory behavior if mother reported a more extensive maltreatment history, as opposed to less. The findings indicate that child genetic factors moderate the intergenerational impact of maternal maltreatment history. The results are discussed in terms of potential mechanism of Gene × Environment interaction. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Development & Psychopathology is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1017/S0954579417001122
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        Text: English
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      – SubjectFull: Dopamine receptors
        Type: general
      – SubjectFull: Self regulation
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      – SubjectFull: Genotypes
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      – TitleFull: Dopamine receptor D2 (<italic>DRD2</italic>), dopamine transporter solute carrier family C6, member 4 (<italic>SLC6A3</italic>), and catechol-<italic>O</italic>-methyltransferase (<italic>COMT</italic>) genes as moderators of the relation between maternal history of maltreatment and infant emotion regulation
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              Text: May2018
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              Y: 2018
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