Cited by 159Health disparities and outcomesStress Responses and CortisolEmployment and Welfare Studies

Unfavorable Socioeconomic Conditions in Early Life Presage Expression of Proinflammatory Phenotype in Adolescence

Miller, Gregory, Chen, Edith·2007·Psychosomatic Medicine

Abstract

Objective Unfavorable socioeconomic status (SES) circumstances early in life are associated with heightened vulnerability to respiratory and cardiovascular diseases in adulthood. However, little is known about mechanisms underlying this phenomenon. Methods This study examined whether early-life SES predicts future activity of two genes involved in regulating inflammation. An ethnically diverse cohort of 136 adolescent females was enrolled in the study. SES was measured by home ownership. The messenger ribonucleic acid (mRNA) for glucocorticoid receptor (GR) and toll-like receptor 4 (TLR4) was quantified in peripheral blood leukocytes using real-time reverse transcriptase polymerase chain reaction (RT-PCR). Results Three findings emerged: a) Years 2 to 3 of life were a critical period: the participants whose families owned homes during these childhood years showed higher GR mRNA and lower TLR4 mRNA during adolescence, a profile that suggests better regulation of inflammatory responses. b) These effects were not mediated through current economic circumstances, life stress, or health practices. C) Changes in SES during later years were unable to "undo" these effects. Conclusions These findings suggest that unfavorable SES circumstances in the early years of life presage the expression of a proinflammatory phenotype in adolescence. To the extent that this proclivity toward inflammation persists over one's lifespan it could explain the heightened incidence of respiratory and cardi…

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Crossref · 10.1097/psy.0b013e318068fcf9

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  • Low socioeconomic status in childhood is associated with a shifting of the leukocyte basal transcriptome toward a more proinflammatory phenotype in adolescence, independent of a person's socioeconomic status in adolescence.

    “Low socioeconomic status in childhood has also been associated with a shifting of the leukocyte basal transcriptome toward a more proinflammatory phenotype in adolescence in a manner that is independent of a person's socioeconomic status in adolescence”
  • The transcriptional shift in low early-life socioeconomic status individuals is characterized in part by increased expression of genes coding for TLR4 and decreased expression of genes coding for the glucocorticoid receptor.

    “The transcriptional shift observed in these low early-life socioeconomic status individuals is characterized in part by increased expression of genes that code for TLR4, which is involved in activating the innate immune system response, and by decreased expression of genes that code for the glucocorticoid receptor”

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Authors
Miller, G., & Chen, E.
Affiliations
University of British Columbia (CA)
Corresponding author
Miller, Gregory
Venue
Psychosomatic Medicine
Published
2007-06
Volume
69
Issue
5
Pages
402-409
ISSN
0033-3174 (ISSN-L)
OpenAlex
W2127294266
Cited by
159
References
4
Citations by year
2026: 1 · 2025: 3 · 2024: 7 · 2023: 4 · 2022: 3 · 2021: 7 · 2020: 9 · 2019: 6 · 2018: 10 · 2017: 15 · 2016: 11 · 2015: 8 · 2014: 9 · 2013: 5 · 2012: 14
FWCI
11.76
Type
journal article
Language
en
Open access
closed
Locations
  • Psychosomatic Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Health › Health disparities and outcomes
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Health Professions › General Health Professions › Employment and Welfare Studies
Keywords
socioeconomic status, childhood adversity, pro-inflammatory phenotype, glucocorticoid receptor, TLR4, inflammation, adolescence, homeownership, leukocyte gene expression, cardiovascular risk, respiratory disease risk
MeSH terms
Adolescent, Adult, Cardiovascular Diseases, Child, Child, Preschool, Female, Housing, Humans, Infant, Inflammation, Ownership, Phenotype, Receptors, Glucocorticoid, Respiratory Tract Diseases, Risk Factors, RNA, Messenger, Social Class, Cohort Studies, Adolescent Development, Toll-Like Receptor 4

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