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Iron status in Swiss adolescents with paediatric major depressive disorder and healthy controls: a matched case-control study.


ABSTRACT:

Purpose

Depression is associated with low-grade systemic inflammation and impaired intestinal function, both of which may reduce dietary iron absorption. Low iron status has been associated with depression in adults and adolescents. In Swiss adolescents, we determined the associations between paediatric major depressive disorder (pMDD), inflammation, intestinal permeability and iron status.

Methods

This is a matched case-control study in 95 adolescents with diagnosed pMDD and 95 healthy controls aged 13-17 years. We assessed depression severity using the Children's Depression Rating Scale-Revised. We measured iron status (serum ferritin (SF) and soluble transferrin receptor (sTfR)), inflammation (C-reactive protein (CRP) and alpha-1-acid-glycoprotein (AGP)), and intestinal permeability (intestinal fatty acid binding protein (I-FABP)). We assessed history of ID diagnosis and treatment with a self-reported questionnaire.

Results

SF concentrations did not differ between adolescents with pMDD (median (IQR) SF: 31.2 (20.2, 57.0) μg/L) and controls (32.5 (22.6, 48.3) μg/L, p = 0.4). sTfR was lower among cases than controls (4.50 (4.00, 5.50) mg/L vs 5.20 (4.75, 6.10) mg/L, p < 0.001). CRP, AGP and I-FABP were higher among cases than controls (CRP: 0.16 (0.03, 0.43) mg/L vs 0.04 (0.02, 0.30) mg/L, p = 0.003; AGP: 0.57 (0.44, 0.70) g/L vs 0.52 (0.41, 0.67) g/L, p = 0.024); I-FABP: 307 (17, 515) pg/mL vs 232 (163, 357) pg/mL, p = 0.047). Of cases, 44% reported having a history of ID diagnosis compared to 26% among controls (p = 0.020). Finally, 28% of cases had iron treatment at/close to study inclusion compared to 14% among controls.

Conclusion

Cases had significantly higher systemic inflammation and intestinal permeability than controls but did not have lower iron status. Whether this is related to the higher rate of ID diagnosis and iron treatment in adolescents with depression is uncertain.

SUBMITTER: Osuna E 

PROVIDER: S-EPMC10948461 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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Iron status in Swiss adolescents with paediatric major depressive disorder and healthy controls: a matched case-control study.

Osuna Ester E   Baumgartner Jeannine J   Wunderlin Olivia O   Emery Sophie S   Albermann Mona M   Baumgartner Noemi N   Schmeck Klaus K   Walitza Susanne S   Strumberger Michael M   Hersberger Martin M   Zimmermann Michael B MB   Häberling Isabelle I   Berger Gregor G   Herter-Aeberli Isabelle I  

European journal of nutrition 20240124 3


<h4>Purpose</h4>Depression is associated with low-grade systemic inflammation and impaired intestinal function, both of which may reduce dietary iron absorption. Low iron status has been associated with depression in adults and adolescents. In Swiss adolescents, we determined the associations between paediatric major depressive disorder (pMDD), inflammation, intestinal permeability and iron status.<h4>Methods</h4>This is a matched case-control study in 95 adolescents with diagnosed pMDD and 95 h  ...[more]

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