1
|
Zhang Y, Munshi S, Burrows K, Kuplicki R, Figueroa-Hall LK, Aupperle RL, Khalsa SS, Teague TK, Taki Y, Paulus MP, Savitz J, Zheng H. Leptin's Inverse Association With Brain Morphology and Depressive Symptoms: A Discovery and Confirmatory Study Across 2 Independent Samples. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024:S2451-9022(24)00105-8. [PMID: 38631553 DOI: 10.1016/j.bpsc.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Major depressive disorder has a complex, bidirectional relationship with metabolic dysfunction, but the neural correlates of this association are not well understood. METHODS In this cross-sectional investigation, we used a 2-step discovery and confirmatory strategy utilizing 2 independent samples (sample 1: 288 participants, sample 2: 196 participants) to examine the association between circulating indicators of metabolic health (leptin and adiponectin) and brain structures in individuals with major depressive disorder. RESULTS We found a replicable inverse correlation between leptin levels and cortical surface area within essential brain areas responsible for emotion regulation, such as the left posterior cingulate cortex, right pars orbitalis, right superior temporal gyrus, and right insula (standardized beta coefficient range: -0.27 to -0.49, puncorrected < .05). Notably, this relationship was independent of C-reactive protein levels. We also identified a significant interaction effect of leptin levels and diagnosis on the cortical surface area of the right superior temporal gyrus (standardized beta coefficient = 0.26 in sample 1, standardized beta coefficient = 0.30 in sample 2, puncorrected < .05). We also observed a positive correlation between leptin levels and atypical depressive symptoms in both major depressive disorder groups (r = 0.14 in sample 1, r = 0.29 in sample 2, puncorrected < .05). CONCLUSIONS The inverse association between leptin and cortical surface area in brain regions that are important for emotion processing and leptin's association with atypical depressive symptoms support the hypothesis that metabolic processes may be related to emotion regulation. However, the molecular mechanisms through which leptin may exert these effects should be explored further.
Collapse
Affiliation(s)
- Ye Zhang
- Department of Aging Research and Geriatric Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.
| | | | | | | | - Leandra K Figueroa-Hall
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Robin L Aupperle
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | | | - T Kent Teague
- Department of Surgery, University of Oklahoma School of Community Medicine, Tulsa, Oklahoma; Department of Psychiatry, University of Oklahoma School of Community Medicine, Tulsa, Oklahoma; Department of Pharmaceutical Sciences, University of Oklahoma College of Pharmacy, Tulsa, Oklahoma
| | - Yasuyuki Taki
- Department of Aging Research and Geriatric Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Department of Geriatric Medicine and Neuroimaging, Tohoku University Hospital, Sendai, Japan; Smart-Aging Research Center, Tohoku University, Sendai, Japan
| | - Martin P Paulus
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Jonathan Savitz
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Haixia Zheng
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| |
Collapse
|
2
|
Małujło-Balcerska E, Pietras T. Adipocytokines levels as potential biomarkers for discriminating patients with a diagnosis of depressive disorder from healthy controls. J Psychiatr Res 2024; 171:163-170. [PMID: 38290234 DOI: 10.1016/j.jpsychires.2024.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND Depressive disorder is a complex mental health condition in which the etiopathogenesis involves several factors. Suitable biomarkers for the development of depression have not yet been established. Alterations in cytokines are assumed to be involved in the pathophysiology of depressive disorder. Adipokines (also known as adipocytokines) are important factors that not only regulate the energy balance but also regulate the inflammatory and immune responses. This study investigated the serum levels of adiponectin, leptin, resistin, chemerin, and fetuin A and the possible role of these adipokines in depressive disorder. METHODS We recruited a total of 73 patients diagnosed with recurrent depressive disorder (rDD) and 54 age- and sex-matched healthy controls (HCs). Serum adipocytokines were determined using ELISA kits (R&D, USA). The serum levels of the investigated molecules between depressive patients and HCs were compared, and diagnostic values were evaluated using the receiver operating characteristic (ROC) curve method for discriminating depressive patients from HCs. Correlations between the molecules and clinical variables were also evaluated. RESULTS Patients with rDD had lower levels of serum adiponectin and chemerin and higher levels of serum leptin, resistin and fetuin A (p < 0.05) vs. controls. Moreover, ROC curve analysis showed that the area under the curve (AUC) values of above set of adipocytkines were >0.7, with a sensitivity and specificity over 80% in discriminating patients with rDD from HCs. CONCLUSIONS These results suggest that circulating adipocytokies may hold promise as biomarkers for the diagnosis of rDD.
Collapse
Affiliation(s)
| | - Tadeusz Pietras
- Department of Clinical Pharmacology, Medical University of Łódź, Poland; Second Department of Psychiatry, Institute of Psychiatry and Neurology, Warsaw, Poland
| |
Collapse
|