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Li P, Wang T, Guo H, Liu Y, Zhao H, Ren T, Tang Y, Wang Y, Zou M. Pramipexole improves depression-like behavior in diabetes mellitus with depression rats by inhibiting NLRP3 inflammasome-mediated neuroinflammation and preventing impaired neuroplasticity. J Affect Disord 2024; 356:586-596. [PMID: 38657764 DOI: 10.1016/j.jad.2024.04.073] [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: 01/02/2024] [Revised: 04/09/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Diabetes mellitus (DM) is frequently associated with the occurrence and development of depression, and the co-occurrence of diabetes mellitus with depression (DD) may further reduce patients' quality of life. Recent research indicates that dopamine receptors (DRs) play a crucial role in immune and metabolic regulation. Pramipexole (PPX), a D2/3R agonist, has demonstrated promising neuroprotective and immunomodulatory effects. Nevertheless, the therapeutic effects and mechanisms of action of PPX on DM-induced depression are not clear at present. METHODS Depression, DM, and DD were induced in a rat model through a combination of a high-fat diet (HFD) supplemented with streptozotocin (STZ) and chronic unpredictable mild stress (CUMS) combined with solitary cage rearing. The pathogenesis of DD and the neuroprotective effects of DRs agonists were investigated using behavioral assays, enzyme-linked immunosorbent assay (ELISA), hematoxylin-eosin (HE) staining, Nissl staining, Western blotting (WB) and immunofluorescence (IF). RESULTS DD rats exhibited more severe dopaminergic, neuroinflammatory, and neuroplastic impairments and more pronounced depressive behaviors than rats with depression alone or DM. Our findings suggest that DRs agonists have significant therapeutic effects on DD rats and that PPX improved neuroplasticity and decreased neuroinflammation in the hippocampus of DD rats while also promoting DG cell growth and differentiation, ultimately mitigating depression-like behaviors. LIMITATION Our study is based on a rat model. Further evidence is needed to determine whether the therapeutic effects of PPX apply to patients suffering from DD. CONCLUSIONS Neuroinflammation mediated by damage to the dopaminergic system is one of the key pathogenic mechanisms of DD. We provide evidence that PPX has a neuroprotective effect on the hippocampus in DD rats and the mechanism may involve the inhibition of NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome activation by DRs to attenuate the neuroinflammatory response and neuroplasticity damage.
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Affiliation(s)
- Ping Li
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Tingting Wang
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Haipeng Guo
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Yingxi Liu
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Hongqing Zhao
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Prevention and Treatment of Depressive Diseases with Traditional Chinese Medicine, Changsha 410208, Hunan, China
| | - Tingting Ren
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Yingjuan Tang
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China
| | - Yuhong Wang
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Prevention and Treatment of Depressive Diseases with Traditional Chinese Medicine, Changsha 410208, Hunan, China.
| | - Manshu Zou
- Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Prevention and Treatment of Depressive Diseases with Traditional Chinese Medicine, Changsha 410208, Hunan, China.
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Taraku B, Loureiro JR, Sahib AK, Zavaliangos‐Petropulu A, Al‐Sharif N, Leaver AM, Wade B, Joshi S, Woods RP, Espinoza R, Narr KL. Modulation of habenular and nucleus accumbens functional connectivity by ketamine in major depression. Brain Behav 2024; 14:e3511. [PMID: 38894648 PMCID: PMC11187958 DOI: 10.1002/brb3.3511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/09/2024] [Accepted: 04/13/2024] [Indexed: 06/21/2024] Open
Abstract
INTRODUCTION Major depressive disorder (MDD) is associated with dysfunctional reward processing, which involves functional circuitry of the habenula (Hb) and nucleus accumbens (NAc). Since ketamine elicits rapid antidepressant and antianhedonic effects in MDD, this study sought to investigate how serial ketamine infusion (SKI) treatment modulates static and dynamic functional connectivity (FC) in Hb and NAc functional networks. METHODS MDD participants (n = 58, mean age = 40.7 years, female = 28) received four ketamine infusions (0.5 mg/kg) 2-3 times weekly. Resting-state functional magnetic resonance imaging (fMRI) scans and clinical assessments were collected at baseline and 24 h post-SKI. Static FC (sFC) and dynamic FC variability (dFCv) were calculated from left and right Hb and NAc seeds to all other brain regions. Changes in FC pre-to-post SKI, and correlations with changes with mood and anhedonia were examined. Comparisons of FC between patients and healthy controls (HC) at baseline (n = 55, mean age = 32.6, female = 31), and between HC assessed twice (n = 16) were conducted as follow-up analyses. RESULTS Following SKI, significant increases in left Hb-bilateral visual cortex FC, decreases in left Hb-left inferior parietal cortex FC, and decreases in left NAc-right cerebellum FC occurred. Decreased dFCv between left Hb and right precuneus and visual cortex, and decreased dFCv between right NAc and right visual cortex both significantly correlated with improvements in mood ratings. Decreased FC between left Hb and bilateral visual/parietal cortices as well as increased FC between left NAc and right visual/parietal cortices both significantly correlated with improvements in anhedonia. No differences were observed between HC at baseline or over time. CONCLUSION Subanesthetic ketamine modulates functional pathways linking the Hb and NAc with visual, parietal, and cerebellar regions in MDD. Overlapping effects between Hb and NAc functional systems were associated with ketamine's therapeutic response.
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Affiliation(s)
- Brandon Taraku
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Joana R. Loureiro
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Ashish K. Sahib
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Artemis Zavaliangos‐Petropulu
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Noor Al‐Sharif
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Amber M. Leaver
- Department of RadiologyNorthwestern UniversityChicagoIllinoisUSA
| | - Benjamin Wade
- Division of Neuropsychiatry and NeuromodulationMassachusetts General Hospital and Harvard Medical SchoolBostonMassachusettsUSA
| | - Shantanu Joshi
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
- Department of Psychiatry and Biobehavioral SciencesUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Roger P. Woods
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Randall Espinoza
- Department of Psychiatry and Biobehavioral SciencesUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Katherine L. Narr
- Ahmanson‐Lovelace Brain Mapping Center, Department of NeurologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
- Department of Psychiatry and Biobehavioral SciencesUniversity of California Los AngelesLos AngelesCaliforniaUSA
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Wu J, Li X, Zhang Q, Li J, Cui R, Li X. Differential effects of intra-RMTg infusions of pilocarpine or 4-DAMP on regulating depression- and anxiety-like behaviors. Behav Brain Res 2024; 462:114833. [PMID: 38220059 DOI: 10.1016/j.bbr.2023.114833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/04/2023] [Accepted: 12/20/2023] [Indexed: 01/16/2024]
Abstract
Depression and anxiety are associated with dysfunction of the mesolimbic dopamine system. The rostromedial tegmental nucleus (RMTg) is predominantly composed of GABAergic neurons that exhibit dense projections and strongly inhibit mesolimbic dopaminergic neurons, proposed as a major "brake" for the system. Consequently, the RMTg may be a crucial brain region for regulating these emotions. The central cholinergic system, particularly the muscarinic receptors, plays an important regulatory role in depression and anxiety. M3 muscarinic receptors are distributed on GABAergic neurons in the RMTg, but their involvement in the regulation of depression and anxiety remains uncertain. This study aimed to examine the effects of RMTg M3 muscarinic receptors on regulating depression- and anxiety-like behaviors in adult male Wistar rats, as assessed through the forced swim, tail suspension, and elevated plus maze tests. The results showed that intra-RMTg injections of the M1/M3 muscarinic receptors agonist, pilocarpine (3, 10, and 30 μg/side), or the M3 muscarinic receptors antagonist, 4-DAMP (0.5, 1, and 2 μg/side), did not alter the immobility time in the forced swim and tail suspension tests. Additionally, pilocarpine (30 μg/side) decreased time spent in open arms and increased time in closed arms in the elevated plus maze; while 4-DAMP (1 and 2 μg/side) played the opposite role by increasing time spent in open arms and decreasing time in closed arms. These findings suggest that RMTg M3 muscarinic receptors have differential effects on regulating depression- and anxiety-like behaviors. Enhancing or inhibiting these receptors can produce anxiogenic or anxiolytic effects, but have no impact on depression-like behavior. Therefore, RMTg M3 muscarinic receptors are involved in regulating anxiety and may be a potential therapeutic target for anxiolytic drugs.
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Affiliation(s)
- Jing Wu
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China; Faculty of Education, Henan Normal University, Xinxiang, China
| | - Xuhong Li
- Department of Education, Lyuliang University, Lyuliang, China
| | - Qi Zhang
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Jiaxiang Li
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Ruisi Cui
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China
| | - Xinwang Li
- Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China.
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Taraku B, Loureiro JR, Sahib AK, Zavaliangos-Petropulu A, Al-Sharif N, Leaver A, Wade B, Joshi S, Woods RP, Espinoza R, Narr KL. Ketamine treatment modulates habenular and nucleus accumbens static and dynamic functional connectivity in major depression. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.12.01.23299282. [PMID: 38106178 PMCID: PMC10723506 DOI: 10.1101/2023.12.01.23299282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Dysfunctional reward processing in major depressive disorder (MDD) involves functional circuitry of the habenula (Hb) and nucleus accumbens (NAc). Ketamine elicits rapid antidepressant and alleviates anhedonia in MDD. To clarify how ketamine perturbs reward circuitry in MDD, we examined how serial ketamine infusions (SKI) modulate static and dynamic functional connectivity (FC) in Hb and NAc networks. MDD participants (n=58, mean age=40.7 years, female=28) received four ketamine infusions (0.5mg/kg) 2-3 times weekly. Resting-state fMRI scans and clinical assessments were collected at baseline and 24 hours post-SKI completion. Static FC (sFC) and dynamic FC variability (dFCv) were calculated from left and right Hb and NAc seeds to all other brain regions. Paired t-tests examined changes in FC pre-to-post SKI, and correlations were used to determine relationships between FC changes with mood and anhedonia. Following SKI, significant increases in left Hb-bilateral visual cortex FC, decreases in left Hb-left inferior parietal cortex FC, and decreases in left NAc-right cerebellum FC occurred. Decreased dFCv between left Hb and right precuneus and visual cortex, and decreased dFCv between right NAc and right visual cortex both significantly correlated with improvements in Hamilton Depression Rating Scale. Decreased FC between left Hb and bilateral visual/parietal cortices as well as increased FC between left NAc and right visual/parietal cortices both significantly correlated with improvements in anhedonia. Subanesthetic ketamine modulates functional pathways linking the Hb and NAc with visual, parietal, and cerebellar regions. Overlapping effects between Hb and NAc functional systems were associated with ketamine's therapeutic response.
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Affiliation(s)
- Brandon Taraku
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Joana R Loureiro
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Ashish K Sahib
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Artemis Zavaliangos-Petropulu
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Noor Al-Sharif
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | | | - Benjamin Wade
- Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Shantanu Joshi
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Roger P Woods
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Randall Espinoza
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Katherine L Narr
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
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Huang AA, Huang SY. Increased vigorous exercise and decreased sedentary activities are associated with decreased depressive symptoms in United States adults: Analysis of The National Health and Nutrition Examination Survey (NHANES) 2017-2020. Health Sci Rep 2023; 6:e1473. [PMID: 37554955 PMCID: PMC10405577 DOI: 10.1002/hsr2.1473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/25/2023] [Accepted: 07/20/2023] [Indexed: 08/10/2023] Open
Abstract
Background and aims Depression is a major public health concern that affects over 4% of the global population. Identification of new nonpharmacologic recommendations will help decrease the burden of disease. The overarching of this study was to examine the association between physical activity and depressive symptoms in a large sample of adults in the United States. Methods Presently, researchers utilized data from the National Health and Nutrition Examination Surveys (NHANES 2017-2020), which is a retrospective, complex, multistage, representative, and modern cohort of the United States. Adult patients ( > 18 years; N = 8091) with complete 9-item Patient Health Questionnaire (PHQ-9) information were included in the study. The PHQ-9 is a well-validated survey, per literature, scores ≥10 are considered to have clinically relevant depression. Univariable and multivariable logistic regression was fit for active and sedentary activities on clinical depression (PHQ-9 ≥ 10). The acquisition and analysis of the data within this study were approved by the National Center for Health Statistics Ethics Review Board. Results After adjusting for potential confounders like age, race, sex, and income, we found that increased vigorous exercise was associated with lower rates of depressive symptoms. Each extra day of vigorous exercise was associated with 11% decreased odds of depression (odd ratio [OR]: 0.89, confidence interval [CI]: 0.83-0.96, p < 0.01). Increased sedentary activity was associated with increased depression. Each extra hour per day of sedentary activity was associated with a 6% increase in odds of depression (OR: 1.06, (1.02-1.10, p < 0.01). Conclusion To conclude, exercise appears to be protective against depressive symptoms; however, further prospective studies are required to ascertain whether exercise causes decreased depressive symptoms.
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Affiliation(s)
| | - Samuel Y. Huang
- Virginia Commonwealth University School of MedicineRichmondVirginiaUSA
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Hashimoto K, Chaki S. Ketamine and its metabolites: Potential as novel treatments for depression. Neuropharmacology 2023; 230:109492. [PMID: 36889434 DOI: 10.1016/j.neuropharm.2023.109492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Affiliation(s)
- Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670, Japan.
| | - Shigeyuki Chaki
- Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama, Saitama, 331-9530, Japan.
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