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Hong J, Xie H, Chen Y, Liu D, Wang T, Xiong K, Mao Z. Effects of STN-DBS on cognition and mood in young-onset Parkinson's disease: a two-year follow-up. Front Aging Neurosci 2024; 15:1177889. [PMID: 38292047 PMCID: PMC10824910 DOI: 10.3389/fnagi.2023.1177889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 12/26/2023] [Indexed: 02/01/2024] Open
Abstract
Background The effects of subthalamic nucleus deep brain stimulation (STN-DBS) on the cognition and mood of patients with PD are still not uniformly concluded, and young-onset Parkinson's disease (YOPD) is even less explored. Objective To observe the effectiveness of STN-DBS on the cognition and mood of YOPD patients. Methods A total of 27 subjects, with a mean age at onset of 39.48 ± 6.24 and age at surgery for STN-DBS of 48.44 ± 4.85, were followed up preoperatively and for 2 years postoperatively. Using the Unified Parkinson disease rating scale (UPDRS), H&Y(Hoehn and Yahr stage), 39-Item Parkinson's Disease Questionnaire (PDQ-39), Mini-mental state examination (MMSE), Montreal Cognitive Assessment (MoCA), Hamilton depression scale (HAMD), Hamilton anxiety scale (HAMA) to assess motor, cognition, and mood. Results At the 2-year follow-up after STN-DBS, YOPD patients showed significant improvements in motor and quality of life (UPDRS III: p < 0.001, PDQ-39: p < 0.001); overall cognition was not significantly different from preoperative (MMSE: p = 0.275, MoCA: p = 0.913), although language function was significantly impaired compared to preoperative (MMSE: p = 0.004, MoCA: p = 0.009); depression and anxiety symptoms also improved significantly (HAMD: p < 0.001, HAMA: p < 0.001) and the depression score correlated significantly with motor (preoperative: r = 0.493, p = 0.009), disease duration (preoperative: r = 0.519, p = 0.006; postoperative: r = 0.406, p = 0.036) and H&Y (preoperative: r = 0.430, p = 0.025; postoperative: r = 0.387, p = 0.046); total anxiety scores were also significantly correlated with motor (preoperative: r = 0.553, p = 0.003; postoperative: r = 0.444, p = 0.020), disease duration (preoperative: r = 0.417, p = 0.031), PDQ-39 (preoperative: r = 0.464, p = 0.015) and H&Y (preoperative: r = 0.440, p = 0.022; postoperative: r = 0.526, p = 0.005). Conclusion STN-DBS is a safe and effective treatment for YOPD. The mood improved significantly, and overall cognition was not impaired, were only verbal fluency decreased but did not affect the improvement in quality of life.
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Affiliation(s)
- Jun Hong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Huimin Xie
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yuhua Chen
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Di Liu
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Tianyu Wang
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
- Hebei Key Laboratory of Nerve Injury and Repair, Chengde Medical University, Chengde, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
- Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou, China
- Hunan Key Laboratory of Ophthalmology, Central South University, Changsha, China
| | - Zhiqi Mao
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
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Tsui CT, Lal P, Fox KVR, Churchward MA, Todd KG. The effects of electrical stimulation on glial cell behaviour. BMC Biomed Eng 2022; 4:7. [PMID: 36057631 PMCID: PMC9441051 DOI: 10.1186/s42490-022-00064-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 08/09/2022] [Indexed: 12/05/2022] Open
Abstract
Neural interface devices interact with the central nervous system (CNS) to substitute for some sort of functional deficit and improve quality of life for persons with disabilities. Design of safe, biocompatible neural interface devices is a fast-emerging field of neuroscience research. Development of invasive implant materials designed to directly interface with brain or spinal cord tissue has focussed on mitigation of glial scar reactivity toward the implant itself, but little exists in the literature that directly documents the effects of electrical stimulation on glial cells. In this review, a survey of studies documenting such effects has been compiled and categorized based on the various types of stimulation paradigms used and their observed effects on glia. A hybrid neuroscience cell biology-engineering perspective is offered to highlight considerations that must be made in both disciplines in the development of a safe implant. To advance knowledge on how electrical stimulation affects glia, we also suggest experiments elucidating electrochemical reactions that may occur as a result of electrical stimulation and how such reactions may affect glia. Designing a biocompatible stimulation paradigm should be a forefront consideration in the development of a device with improved safety and longevity.
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Affiliation(s)
- Christopher T Tsui
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, T6G 2G3, Canada.,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2E1, Canada.,Department of Biomedical Engineering, University of Alberta, Edmonton, AB, T6G 2V2, Canada
| | - Preet Lal
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, T6G 2G3, Canada.,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Katelyn V R Fox
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, T6G 2G3, Canada.,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Matthew A Churchward
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, T6G 2G3, Canada.,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2E1, Canada.,Department of Biological and Environmental Sciences, Concordia University of Edmonton, Edmonton, AB, T5B 4E4, Canada
| | - Kathryn G Todd
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, T6G 2G3, Canada. .,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2E1, Canada. .,Department of Biomedical Engineering, University of Alberta, Edmonton, AB, T6G 2V2, Canada.
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Correlation between Electrode Location and Anxiety Depression of Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease. Brain Sci 2022; 12:brainsci12060755. [PMID: 35741642 PMCID: PMC9221002 DOI: 10.3390/brainsci12060755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/26/2022] [Accepted: 06/03/2022] [Indexed: 01/27/2023] Open
Abstract
Objectives: our group explored the correlation between postoperative coordinates of the electrode contacts, VTA, and anxiety and depression symptoms in Parkinson’s disease (PD) patients after subthalamic nucleus deep brain stimulation (STN-DBS). Methods: STN-DBS was conducted on PD patients (n = 57) for six months with follow-up. Clinical outcomes were explored using the unified Parkinson’s disease rating scale Part III (UPDRS-III), the Hamilton Anxiety Rating Scale (HAM-A), and the Hamilton Depression Rating Scale (HAM-D) before and after surgery. At the Montreal Neurological Institute (MNI), the location of active contacts and the volume of tissue activated (VTA) were calculated. Results: patient evaluations took place preoperatively and follow-ups took place at 1 month, 3 months, and 6 months. The average patient improvement rates for HAM-A and HAM-D scores at the 6-month follow-up were 41.7% [interquartile range (IQR) 34.9%] and 37.5% (IQR 33.4%), respectively (both p < 0.001). In medication-off, there were negative correlations between the HAM-A improvement rate and the Z-axis coordinate of the active contact (left side: r = −0.308, p = 0.020; right side: r = −0.390, p = 0.003), and negative correlations between the HAM-D improvement rate and the Z-axis coordinate of the active contact (left side: r = −0.345, p = 0.009; right side: r = −0.521, p = 0.001). There were positive correlations between the HAM-A and HAM-D scores improvement rate at 6 months after surgery and bilateral VTA in the right STN limbic subregion (HAM-A: r = 0.314, p = 0.018; HAM-D: r = 0.321, p = 0.015). Conclusion: bilateral STN-DBS can improve anxiety and depression symptoms in PD patients. The closer the stimulation to the ventral limbic region of the STN, the more significant the improvement in anxiety and depression symptoms of PD patients.
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A new theory of depression based on the serotonin/kynurenine relationship and the hypothalamicpituitary- adrenal axis. BIOMEDICA 2018; 38:437-450. [PMID: 30335249 DOI: 10.7705/biomedica.v38i3.3688] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 12/13/2017] [Indexed: 12/23/2022]
Abstract
The serotonergic and immunological hypothesis of depression proposes that certain types of excessive stress distort the relationship between the activities of the innate immune and central nervous systems, so that the stress caused by an infection, or excessive psychological stress, activate toll-like receptors such as the TLR-4, the transcription factor NF-kB, the inflammasome NLRP3, as well as the secretion of interleukin-1 beta (IL-1β), interleukin-6 (IL-6) and other factors of the innate immune response, causing first, the general symptoms of the disease which appear with any infection, but also those characteristic of depressive illness such as dysphoria and anhedonia.
The evidence indicates that, if the stimulus persists or recurs within 24 hours, the indole-2, 3-dioxygenase enzyme (IDO) of the kynurenine metabolic pathway, which increases the synthesis of quinolinic acid, is activated with an associated reduction of serotonin synthesis. Quinolinic acid activates NMDA receptors in the central nervous system and stimulates the secretion of interleukins IL-6 and 1L-1β, among others, promoting hyper-activity of the HPA axis and reinforcing a bias of the tryptophan metabolism to produce quinolinic acid, and interleukins by the innate immune system, further reducing the synthesis of serotonin and consolidating the depressive process.
We discuss the evidence showing that this process can be initiated by either interleukin stimulated by an infection or some vaccines or excessive psychological stress that activates the HPA axis together with said innate immune response, causing a process of aseptic inflammation in the central nervous system.
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Dandekar MP, Fenoy AJ, Carvalho AF, Soares JC, Quevedo J. Deep brain stimulation for treatment-resistant depression: an integrative review of preclinical and clinical findings and translational implications. Mol Psychiatry 2018; 23:1094-1112. [PMID: 29483673 DOI: 10.1038/mp.2018.2] [Citation(s) in RCA: 177] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 12/05/2017] [Accepted: 12/15/2017] [Indexed: 02/07/2023]
Abstract
Although deep brain stimulation (DBS) is an established treatment choice for Parkinson's disease (PD), essential tremor and movement disorders, its effectiveness for the management of treatment-resistant depression (TRD) remains unclear. Herein, we conducted an integrative review on major neuroanatomical targets of DBS pursued for the treatment of intractable TRD. The aim of this review article is to provide a critical discussion of possible underlying mechanisms for DBS-generated antidepressant effects identified in preclinical studies and clinical trials, and to determine which brain target(s) elicited the most promising outcomes considering acute and maintenance treatment of TRD. Major electronic databases were searched to identify preclinical and clinical studies that have investigated the effects of DBS on depression-related outcomes. Overall, 92 references met inclusion criteria, and have evaluated six unique DBS targets namely the subcallosal cingulate gyrus (SCG), nucleus accumbens (NAc), ventral capsule/ventral striatum or anterior limb of internal capsule (ALIC), medial forebrain bundle (MFB), lateral habenula (LHb) and inferior thalamic peduncle for the treatment of unrelenting TRD. Electrical stimulation of these pertinent brain regions displayed differential effects on mood transition in patients with TRD. In addition, 47 unique references provided preclinical evidence for putative neurobiological mechanisms underlying antidepressant effects of DBS applied to the ventromedial prefrontal cortex, NAc, MFB, LHb and subthalamic nucleus. Preclinical studies suggest that stimulation parameters and neuroanatomical locations could influence DBS-related antidepressant effects, and also pointed that modulatory effects on monoamine neurotransmitters in target regions or interconnected brain networks following DBS could have a role in the antidepressant effects of DBS. Among several neuromodulatory targets that have been investigated, DBS in the neuroanatomical framework of the SCG, ALIC and MFB yielded more consistent antidepressant response rates in samples with TRD. Nevertheless, more well-designed randomized double-blind, controlled trials are warranted to further assess the efficacy, safety and tolerability of these more promising DBS targets for the management of TRD as therapeutic effects have been inconsistent across some controlled studies.
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Affiliation(s)
- M P Dandekar
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - A J Fenoy
- Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - A F Carvalho
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, Brazil
| | - J C Soares
- Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - J Quevedo
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA.,Neuroscience Graduate Program, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA.,Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, Brazil
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