Journal
PSYCHIATRY RESEARCH
Volume 301, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2021.113987
Keywords
Transforming growth factor beta; Major depressive disorder; Childhood maltreatment; Immune regulatory pathways
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The study found that patients with major depressive disorder (MDD) who have experienced childhood trauma have significantly higher levels of TGF-beta in adulthood compared to patients without childhood trauma and control groups. Additionally, the combined effect of childhood trauma history and MDD affects TGF beta levels in adulthood, which is not observed in the control group.
Transforming growth factor beta (TGF-beta), which has a role as a regulatory cytokine, has not been widely investigated in patients with major depressive disorder (MDD) who experienced childhood trauma. The aim of our study was to investigate the differences in circulating TGF-beta levels between the patients with major depressive disorder (MDD) with and without child maltreatment (CM) history, and to compare them to the corresponding control subjects' groups (with or without CM). Blood samples were obtained from 55 patients, fulfilling DSM-IV-R criteria for a current MDD episode without psychotic symptoms, and 45 healthy controls, matched for age and gender. Participants were administered the Childhood Trauma Questionnaire (CTQ). Serum TGF-beta concentration was determined by enzyme-linked immunosorbent assay. The concentration of TGF-beta was significantly higher in patients with MDD with CM history, compared to MDD patients with no CM, as well as both control groups. Furthermore, we have shown that the combined effect of CM history and MDD affected TGF beta levels in adulthood, which was not observed in the control group with CM. These results indicate that MDD patients with the experience of CM have altered immune-regulatory response, and they may constitute a specific subtype within this heterogenic disorder (ecophenotype).
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