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Merabtine T, Tarhini Z, Preux PM, Christou N, Jost J. Effects of antidepressant and antipsychotic medication on peripheral brain-derived neurotrophic factor concentration: Systematic review and meta-analysis. Psychiatry Res 2024; 337:115946. [PMID: 38703562 DOI: 10.1016/j.psychres.2024.115946] [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: 01/15/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Brain-derived neurotrophic factor (BDNF) is an important regulatory protein in the pathophysiology of psychiatric disorders. Several studies have reported the relationship between peripheral BDNF concentrations and the use of psychoactive drugs. However, the results remain controversial. This study aimed to evaluate the effects of psychoactive drugs on BDNF concentrations and to explore the association between changes in BDNF concentrations and improvements in clinical scores. A systematic review and meta-analysis were conducted. Six electronic databases, including PubMed, Scopus, Medline, Web of Science, Google Scholar and Science Direct, were searched. Changes in BDNF concentrations were compared before and after psychoactive treatment, using the standardized mean difference (SMD) and 95 % confidence interval (95 % CI). Twenty-three studies were included. A significant increase in serum BDNF concentrations was observed after treatment with antipsychotics (SMD=0.43; 95 %CI: 0.26, 0.60) and antidepressants (SMD=0.49; 95 %CI: 0.23, 0.74). However, the plasma BDNF concentration was not affected by antidepressant and antipsychotic medication. Although an improvement in clinical scores was observed after treatment, no significant association was observed between changes in BDNF concentrations and the changes in the Positive and Negative Syndrome Scale (PANSS) and the Hamilton Depression Rating Scale (HAM-D) scores. In conclusion, antidepressants and antipsychotics increase serum BDNF concentrations.
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Affiliation(s)
- Tassadit Merabtine
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France
| | - Zeinab Tarhini
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; Laboratory INSERM U1308, CAPTuR, Control of cell Activation in Tumor Progression and Therapeutic Resistance, Medical School- 2 rue du Docteur Marcland 87025 LIMOGES Cedex, France; General Cancer Registry in Haute-Vienne, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France.
| | - Pierre-Marie Preux
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; General Cancer Registry in Haute-Vienne, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
| | - Niki Christou
- Laboratory INSERM U1308, CAPTuR, Control of cell Activation in Tumor Progression and Therapeutic Resistance, Medical School- 2 rue du Docteur Marcland 87025 LIMOGES Cedex, France; Digestive Surgery Department, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
| | - Jeremy Jost
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; Pharmacy Department, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
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Haniff ZR, Bocharova M, Mantingh T, Rucker JJ, Velayudhan L, Taylor DM, Young AH, Aarsland D, Vernon AC, Thuret S. Psilocybin for dementia prevention? The potential role of psilocybin to alter mechanisms associated with major depression and neurodegenerative diseases. Pharmacol Ther 2024; 258:108641. [PMID: 38583670 DOI: 10.1016/j.pharmthera.2024.108641] [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: 09/05/2023] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
Major depression is an established risk factor for subsequent dementia, and depression in late life may also represent a prodromal state of dementia. Considering current challenges in the clinical development of disease modifying therapies for dementia, the focus of research is shifting towards prevention and modification of risk factors to alter the neurodegenerative disease trajectory. Understanding mechanistic commonalities underlying affective symptoms and cognitive decline may reveal biomarkers to aid early identification of those at risk of progressing to dementia during the preclinical phase of disease, thus allowing for timely intervention. Adult hippocampal neurogenesis (AHN) is a phenomenon that describes the birth of new neurons in the dentate gyrus throughout life and it is associated with spatial learning, memory and mood regulation. Microglia are innate immune system macrophages in the central nervous system that carefully regulate AHN via multiple mechanisms. Disruption in AHN is associated with both dementia and major depression and microgliosis is a hallmark of several neurodegenerative diseases. Emerging evidence suggests that psychedelics promote neuroplasticity, including neurogenesis, and may also be immunomodulatory. In this context, psilocybin, a serotonergic agonist with rapid-acting antidepressant properties has the potential to ameliorate intersecting pathophysiological processes relevant for both major depression and neurodegenerative diseases. In this narrative review, we focus on the evidence base for the effects of psilocybin on adult hippocampal neurogenesis and microglial form and function; which may suggest that psilocybin has the potential to modulate multiple mechanisms of action, and may have implications in altering the progression from major depression to dementia in those at risk.
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Affiliation(s)
- Zarah R Haniff
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom.
| | - Mariia Bocharova
- Department of Old Age Psychiatry, Division of Academic Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Tim Mantingh
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - James J Rucker
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Foundation Trust, Maudsley Hospital, Denmark Hill, London, United Kingdom
| | - Latha Velayudhan
- Department of Old Age Psychiatry, Division of Academic Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - David M Taylor
- South London and Maudsley NHS Foundation Trust, Maudsley Hospital, Denmark Hill, London, United Kingdom
| | - Allan H Young
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Monks Orchard Road, Beckenham, Kent, United Kingdom
| | - Dag Aarsland
- Department of Old Age Psychiatry, Division of Academic Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; Wolfson Centre for Age Related Diseases, Division of Neuroscience of the Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; Stavanger University Hospital, Stavanger, Norway
| | - Anthony C Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; MRC Centre for Neurodevelopmental Disorders, King's College London, United Kingdom.
| | - Sandrine Thuret
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom.
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Li Z, Gaitan-Espitia JD. Temperature-dependent toxicity of fluoxetine alters the thermal plasticity of marine diatoms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172146. [PMID: 38569963 DOI: 10.1016/j.scitotenv.2024.172146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/15/2024] [Accepted: 03/30/2024] [Indexed: 04/05/2024]
Abstract
Anthropogenic activities have led to the emergence of pharmaceutical pollution in marine ecosystems, posing a significant threat to biodiversity in conjunction with global climate change. While the ecotoxicity of human drugs on aquatic organisms is increasingly recognized, their interactions with environmental factors, such as temperature, remain understudied. This research investigates the physiological effects of the selective serotonin reuptake inhibitor (SSRI), fluoxetine, on two diatom species, Phaeodactylum tricornutum and Thalassiosira weissflogii. Results demonstrate that fluoxetine significantly reduces growth rate and biomass production, concurrently affecting pigment contents and the thermal performance curve (TPC) of the diatoms. Fluoxetine reduces the synthesis of chlorophyll a (Chl a) and carotenoid (Car), indicating inhibition of photosynthesis and photoprotection. Furthermore, fluoxetine decreases the maximum growth rate (μmax) while increasing the optimum temperature (Topt) in both species, suggesting an altered thermal plasticity. This shift is attributed to the observed decrease in the inhibition rate of fluoxetine with rising temperatures. These findings emphasize the physiological impacts and ecological implications of fluoxetine on phytoplankton and underscore the significance of considering interactions between multiple environmental drivers when accessing the ecotoxicity of potential pollutants. The present study provides insights into crucial considerations for evaluating the impacts of pharmaceutical pollution on marine primary producers.
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Affiliation(s)
- Zhenzhen Li
- The SWIRE Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Hong Kong
| | - Juan Diego Gaitan-Espitia
- The SWIRE Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Hong Kong.
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Lee MJ, Chen YL, Wu SI, Huang CW, Dewey ME, Chen VCH. Association between maternal antidepressant use during pregnancy and the risk of autism spectrum disorder and attention deficit hyperactivity disorder in offspring. Eur Child Adolesc Psychiatry 2024:10.1007/s00787-024-02460-4. [PMID: 38762849 DOI: 10.1007/s00787-024-02460-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/29/2024] [Indexed: 05/20/2024]
Abstract
Prenatal antidepressant exposure has been reported to be associated with adverse neurodevelopmental outcomes, yet studies considering confounding factors in Asian populations are lacking. This study utilized a nationwide data base in Taiwan, enrolling all liveborn children registered in the National Health Insurance system between 2004 and 2016. Subjects were divided into two groups: antidepressant-exposed (n = 55,707)) and antidepressant-unexposed group (n = 2,245,689). The effect of antidepressant exposure during different trimesters on autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) was examined. Sibling controls and parallel comparisons by paternal exposure status were treated as negative controls. Additional sensitivity analyses were conducted to examine the effects of antidepressant exposure before and after pregnancy. Prenatal antidepressant exposure was associated with increased risks of ASD and ADHD in population-wide and adjusted analysis. However when comparing antidepressant-exposed children with their unexposed siblings, no differences were found for ASD (Hazard ratio [HR]: 1.04, 95% confidence interval [CI] 0.76-1.42 in first trimester; HR: 0.96, 95% CI 0.62-1.50 in second trimester; HR: 0.69, 95% CI 0.32-1.48 in third trimester) and ADHD (HR: 0.98, 95%CI 0.84-1.15 in first trimester; HR: 0.91, 95% CI 0.73-1.14 in second trimester; HR: 0.79, 95% CI 0.54-1.16 in third trimester). Increased risks for ASD and ADHD were also noted in paternal control, before and after pregnancy analyses. These results imply that the association between prenatal antidepressant exposure and ASD and ADHD is not contributed to by an intrauterine medication effect but more likely to be accounted for by maternal depression, genetic, and potential environmental factors.
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Affiliation(s)
- Min-Jing Lee
- Department of Psychiatry, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Department of Psychiatry, Chiayi Chang Gung Memorial Hospital, Chiayi County, Puzi City, Taiwan
- School of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yi-Lung Chen
- Department of Healthcare Administration, College of Medical and Health Science, Asia University, Taichung, Taiwan
- Department of Psychology, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Shu-I Wu
- Department of Psychiatry, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Chien-Wei Huang
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Michael E Dewey
- Health Service and Population Research Department, King's College London, London, UK
| | - Vincent Chin-Hung Chen
- Department of Psychiatry, Chiayi Chang Gung Memorial Hospital, Chiayi County, Puzi City, Taiwan.
- School of Medicine, Chang Gung University, Taoyuan, Taiwan.
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Ren FF, Hillman CH, Wang WG, Li RH, Zhou WS, Liang WM, Yang Y, Chen FT, Chang YK. Effects of aerobic exercise on cognitive function in adults with major depressive disorder: A systematic review and meta-analysis. Int J Clin Health Psychol 2024; 24:100447. [PMID: 38371396 PMCID: PMC10869919 DOI: 10.1016/j.ijchp.2024.100447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Background Major Depressive Disorder (MDD) is a highly prevalent psychiatric disorder that impairs the cognitive function of individuals. Aerobic exercise stands out as a promising non-pharmacological intervention for enhancing cognitive function and promoting brain health.While positive impacts of aerobic exercise on executive function in adults with depression have been documented, a comprehensive understanding of its benefits on overall cognitive function, including memory, attention, and processing speed, along with key moderating factors in adults with MDD, remains unexplored. The purpose of the systematic review and meta-analysis was to investigate the effects of aerobic exercise on overall cognitive function in adults with MDD, and to explore whether cognitive sub-domains, aerobic exercise characteristics, and study and sample variables modify the effects of aerobic exercise on cognition. Methods Six English electronic databases (Embase, Cochrane Central, Scopus, APA PsycInfo, PubMed, Web of Science) were searched from inception to 2 April 2023. Randomized trials, including adults aged 18 years or above with a diagnosis of clinical depression, of the effects of aerobic exercise on cognitive function in adults with MDD compared to non-aerobic exercise groups were included. A three-level meta-analysis was conducted utilizing a random-effects model in R. The quality of the studies was evaluated using the Physiotherapy Evidence Database (PEDro) scale. The PROSPERO registration number is CRD42022367350. Results Twelve randomized trials including 945 adults with MDD were included. Results indicated that aerobic exercise significantly improved overall cognitive function (g = 0.21; 95 % confidence intervals [CI] = 0.07, 0.34), and the sub-domains of memory (g = 0.25; 95 % CI = 0.06, 0.44) and executive function (g = 0.12; 95 % CI = 0.04, 0.20). Significant benefits in cognitive function were found from moderate-to-vigorous (mixed) intensity (g = 0.19; 95 % CI = 0.02, 0.37), aerobic exercise conducted 3 times per week (g = 0.23; 95 % CI = 0.10, 0.38), in sessions < 45 min (g = 0.59; 95 % CI = 0.28, 0.90), and 45-60 min (g = 0.16; 95 % CI = 0.07, 0.26), in aerobic exercise intervention ≤ 12 weeks (g = 0. 26; 95 % CI = 0.08, 0.44). Limitations This review only included peer-reviewed English-language studies, which may lead to a language bias. The results of the Egger's test suggested a potential publication bias. Conclusions Aerobic exercise is efficacious in improving overall cognitive function and the sub-domains of memory and executive function in adults with major depressive disorder.
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Affiliation(s)
- Fei-Fei Ren
- Department of Physical Education, Beijing Language and Culture University, Beijing, China
| | - Charles H. Hillman
- Department of Psychology, Northeastern University, Boston, MA, USA
- Department of Physical Therapy, Movement, and Rehabilitation, Northeastern University, Boston, MA, USA
| | - Wei-Guang Wang
- Department of Physical Education, Beijing Language and Culture University, Beijing, China
| | - Ruei-Hong Li
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Wen-Sheng Zhou
- Department of Physical Education, Jiangsu Second Normal University, Jiangsu, China
| | - Wen-Ming Liang
- Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Yong Yang
- Laboratory of Kinesiology and Rehabilitation, School of Physical Education and Sport, Chaohu University, Anhui, China
| | - Feng-Tzu Chen
- Department of Kinesiology, National Tsing Hua University, Hsinchu, Taiwan
| | - Yu-Kai Chang
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
- Social Emotional Education and Development Center, National Taiwan Normal University, Taipei, Taiwan
- Institute for Research Excellence in Learning Science, National Taiwan Normal University, Taipei, Taiwan
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Tassone VK, Gholamali Nezhad F, Demchenko I, Rueda A, Bhat V. Amygdala biomarkers of treatment response in major depressive disorder: An fMRI systematic review of SSRI antidepressants. Psychiatry Res Neuroimaging 2024; 338:111777. [PMID: 38183847 DOI: 10.1016/j.pscychresns.2023.111777] [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: 09/18/2023] [Revised: 12/04/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024]
Abstract
Functional neuroimaging studies have demonstrated abnormal activity and functional connectivity (FC) of the amygdala among individuals with major depressive disorder (MDD), which may be rectified with selective serotonin reuptake inhibitor (SSRI) treatment. This systematic review aimed to identify changes in the amygdala on functional magnetic resonance imaging (fMRI) scans among individuals with MDD who received SSRIs. A search for fMRI studies examining amygdala correlates of SSRI response via fMRI was conducted through OVID (MEDLINE, PsycINFO, and Embase). The end date was April 4th, 2023. In total, 623 records were screened, and 16 studies were included in this review. While the search pertained to SSRIs broadly, the included studies were escitalopram-, citalopram-, fluoxetine-, sertraline-, and paroxetine-specific. Decreases in event-related amygdala activity were found following 6-to-12-week SSRI treatment, particularly in response to negative stimuli. Eight-week courses of SSRI pharmacotherapy were associated with increased event-related amygdala FC (i.e., with the prefrontal [PFC] and anterior cingulate cortices, insula, thalamus, caudate nucleus, and putamen) and decreased resting-state effective connectivity (i.e., amygdala-PFC). Preliminary evidence suggests that SSRIs may alter amygdala activity and FC in MDD. Additional studies are needed to corroborate findings. Future research should employ long-term follow-ups to determine whether effects persist after treatment termination.
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Affiliation(s)
- Vanessa K Tassone
- Interventional Psychiatry Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Medical Sciences Building, Toronto, Ontario M5S 1A8, Canada
| | - Fatemeh Gholamali Nezhad
- Interventional Psychiatry Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada
| | - Ilya Demchenko
- Interventional Psychiatry Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Medical Sciences Building, Toronto, Ontario M5S 1A8, Canada
| | - Alice Rueda
- Interventional Psychiatry Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Medical Sciences Building, Toronto, Ontario M5S 1A8, Canada; Neuroscience Research Program, St. Michael's Hospital, 193 Yonge Street 6-013, Toronto, Ontario M5B 1M8, Canada; Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, 250 College Street, Toronto, Ontario M5T 1R8, Canada.
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Cao P, Tan J, Liao X, Wang J, Chen L, Fang Z, Pan N. Standardized Treatment and Shortened Depression Course can Reduce Cognitive Impairment in Adolescents With Depression. Soa Chongsonyon Chongsin Uihak 2024; 35:90-97. [PMID: 38204736 PMCID: PMC10774549 DOI: 10.5765/jkacap.230052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/05/2023] [Accepted: 10/30/2023] [Indexed: 01/12/2024] Open
Abstract
Objectives This study aimed to explore the influence of depression severity, disease course, treatment status, and other factors on cognitive function in adolescents with depressive disorders. Methods Participants who met the inclusion criteria were enrolled in the study. Sociodemographic data of each participant were recorded, including age, sex, and family history of mental disorders. Zung's Self-Rating Depression Scale was used to assess depression status in adolescents. Moreover, P300 and mismatch negativity (MMN) were used to objectively evaluate the participants' cognitive function. Results Only 26.8% of the adolescents with depression received standard antidepressant treatment. The latencies of N2 (267.80±23.34 ms), P3 (357.71±32.09 ms), and MMN (212.10±15.61 ms) in the adolescent depression group were longer than those in the healthy control group (p<0.01). Further analysis revealed that the latency of MMN was extended with increased levels of depression in adolescents. The MMN latency was short in participants with depression receiving standardized treatment. Furthermore, the latency of MMN was positively correlated with the severity and duration of depression (correlation coefficients were 0.465 and 0.479, respectively) (p<0.01). Conclusion Receiving standardized treatment and shortening the course of depression can reduce cognitive impairment in adolescents with depression.
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Affiliation(s)
- Penghui Cao
- Institute of Neuropsychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Junjie Tan
- Department of Nephrology and Immunohematology, Qingyuan Maternal and Child Health Hospital of Guangdong Province, Guangdong, China
| | - Xuezhen Liao
- Department of Neurology, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jinwei Wang
- Department of Neurology, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Lihuan Chen
- Department of Neurology, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Ziyan Fang
- Institute of Neuropsychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Nannan Pan
- Department of Neurology, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
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Wang GHM, Chen WH, Chang SH, Zhang T, Shao H, Guo J, Lo-Ciganic WH. Association between first-line antidepressant use and risk of dementia in older adults: a retrospective cohort study. BMC Geriatr 2023; 23:825. [PMID: 38066473 PMCID: PMC10709864 DOI: 10.1186/s12877-023-04475-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 11/09/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Prior studies suggested that antidepressant use is associated with an increased risk of dementia compared to no use, which is subject to confounding by indication. We aimed to compare the dementia risk among older adults with depression receiving first-line antidepressants (i.e., SSRI/SNRI) versus psychotherapy, which is also considered the first-line therapy for depression. METHODS This retrospective cohort study was conducted using the US Medical Expenditure Panel Survey from 2010 to 2019. We included adults aged ≥ 50 years diagnosed with depression who initiated SSRI/SNRI or psychotherapy. We excluded patients with a dementia diagnosis before the first record of SSRI/SNRI use or psychotherapy. The exposure was the patient's receipt of SSRI/SNRI (identified from self-report questionnaires) or psychotherapy (identified from the Outpatient Visits or Office-Based Medical Provider Visits files). The outcome was a new diagnosis of dementia within 2 years (i.e., survey panel period) identified using ICD-9/ICD-10 codes from the Medical Conditions file. Using a multivariable logistic regression model, we reported adjusted odds ratios (aORs) with 95% confidence intervals (CIs). We also conducted subgroup analyses by patient sex, age group, race/ethnicity, severity of depression, combined use of other non-SSRI/SNRI antidepressants, and presence of underlying cognitive impairment. RESULTS Among 2,710 eligible patients (mean age = 61 ± 8, female = 69%, White = 84%), 89% used SSRIs/SNRIs, and 11% received psychotherapy. The SSRI/SNRI users had a higher crude incidence of dementia than the psychotherapy group (16.4% vs. 11.8%), with an aOR of 1.36 (95% CI = 1.06-1.74). Subgroup analyses yielded similar findings as the main analyses, except no significant association for patients who were aged < 65 years (1.23, 95% CI = 0.93-1.62), male (1.34, 95% CI = 0.95-1.90), Black (0.76, 95% CI = 0.48-1.19), had a higher PHQ-2 (1.39, 95% CI = 0.90-2.15), and had underlying cognitive impairment (1.06, 95% CI = 0.80-1.42). CONCLUSIONS Our findings suggested that older adults with depression receiving SSRIs/SNRIs were associated with an increased dementia risk compared to those receiving psychotherapy.
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Affiliation(s)
- Grace Hsin-Min Wang
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, HPNP 3338, Gainesville, FL, 32610, USA
| | - Wei-Han Chen
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, HPNP 3338, Gainesville, FL, 32610, USA
| | - Shao-Hsuan Chang
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, HPNP 3338, Gainesville, FL, 32610, USA
| | - Tianxiao Zhang
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, HPNP 3338, Gainesville, FL, 32610, USA
| | - Hui Shao
- Hubert Department of Global Health, Rollin School of Public Health, Emory University, Atlanta, GA, USA
| | - Jingchuan Guo
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, HPNP 3338, Gainesville, FL, 32610, USA
| | - Wei-Hsuan Lo-Ciganic
- Center for Pharmaceutical Policy and Prescribing, Health Policy Institute, University of Pittsburgh, Pittsburgh, PA, USA.
- North Florida/South Georgia Veterans Health System, Geriatric Research Education and Clinical Center, Gainesville, FL, USA.
- Division of General Internal Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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Paolini M, Fortaner-Uyà L, Lorenzi C, Spadini S, Maccario M, Zanardi R, Colombo C, Poletti S, Benedetti F. Association between NTRK2 Polymorphisms, Hippocampal Volumes and Treatment Resistance in Major Depressive Disorder. Genes (Basel) 2023; 14:2037. [PMID: 38002980 PMCID: PMC10671548 DOI: 10.3390/genes14112037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/28/2023] [Accepted: 10/31/2023] [Indexed: 11/26/2023] Open
Abstract
Despite the increasing availability of antidepressant drugs, a high rate of patients with major depression (MDD) does not respond to pharmacological treatments. Brain-derived neurotrophic factor (BDNF)-tyrosine receptor kinase B (TrkB) signaling is thought to influence antidepressant efficacy and hippocampal volumes, robust predictors of treatment resistance. We therefore hypothesized the possible role of BDNF and neurotrophic receptor tyrosine kinase 2 (NTRK2)-related polymorphisms in affecting both hippocampal volumes and treatment resistance in MDD. A total of 121 MDD inpatients underwent 3T structural MRI scanning and blood sampling to obtain genotype information. General linear models and binary logistic regressions were employed to test the effect of genetic variations related to BDNF and NTRK2 on bilateral hippocampal volumes and treatment resistance, respectively. Finally, the possible mediating role of hippocampal volumes on the relationship between genetic markers and treatment response was investigated. A significant association between one NTRK2 polymorphism with hippocampal volumes and antidepressant response was found, with significant indirect effects. Our results highlight a possible mechanistic explanation of antidepressant action, possibly contributing to the understanding of MDD pathophysiology.
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Affiliation(s)
- Marco Paolini
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Lidia Fortaner-Uyà
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Cristina Lorenzi
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Sara Spadini
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Melania Maccario
- Mood Disorders Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- Faculty of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Raffaella Zanardi
- Mood Disorders Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Cristina Colombo
- Mood Disorders Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- Faculty of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Sara Poletti
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- Faculty of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Francesco Benedetti
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- Faculty of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
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Guha L, Kumar H. Drug Repurposing for Spinal Cord Injury: Progress Towards Therapeutic Intervention for Primary Factors and Secondary Complications. Pharmaceut Med 2023; 37:463-490. [PMID: 37698762 DOI: 10.1007/s40290-023-00499-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2023] [Indexed: 09/13/2023]
Abstract
Spinal cord injury (SCI) encompasses a plethora of complex mechanisms like the involvement of major cell death pathways, neurodegeneration of spinal cord neurons, overexpression of glutaminergic transmission and inflammation cascade, along with different co-morbidities like neuropathic pain, urinary and sexual dysfunction, respiratory and cardiac failures, making it one of the leading causes of morbidity and mortality globally. Corticosteroids such as methylprednisolone and dexamethasone, and non-steroidal anti-inflammatory drugs such as naproxen, aspirin and ibuprofen are the first-line treatment options for SCI, inhibiting primary and secondary progression by preventing inflammation and action of reactive oxygen species. However, they are constrained by a short effective drug administration window and their pharmacological action being limited to symptomatic relief of the secondary effects related to spinal cord injury only. Although post-injury rehabilitation treatments may enable functional recovery, they take a long time to show results. Drug repurposing might be an innovative method for expanding therapy alternatives, utilising drugs that are already approved by various esteemed federal agencies throughout the world. Reutilising a drug molecule to treat SCI can eliminate the need for expensive and lengthy drug discovery processes and pave the way for new therapeutic approaches in SCI. This review summarises marketed drugs that could be repurposed based on their safety and efficacy data. We also discuss their mechanisms of action and provide a list of repurposed drugs under clinical trials for SCI therapy.
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Affiliation(s)
- Lahanya Guha
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Opposite Air Force Station, Palaj, P.O-382355, Gandhinagar, Gujarat, India
| | - Hemant Kumar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Opposite Air Force Station, Palaj, P.O-382355, Gandhinagar, Gujarat, India.
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Rejdak K, Sienkiewicz-Jarosz H, Bienkowski P, Alvarez A. Modulation of neurotrophic factors in the treatment of dementia, stroke and TBI: Effects of Cerebrolysin. Med Res Rev 2023; 43:1668-1700. [PMID: 37052231 DOI: 10.1002/med.21960] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 04/14/2023]
Abstract
Neurotrophic factors (NTFs) are involved in the pathophysiology of neurological disorders such as dementia, stroke and traumatic brain injury (TBI), and constitute molecular targets of high interest for the therapy of these pathologies. In this review we provide an overview of current knowledge of the definition, discovery and mode of action of five NTFs, nerve growth factor, insulin-like growth factor 1, brain derived NTF, vascular endothelial growth factor and tumor necrosis factor alpha; as well as on their contribution to brain pathology and potential therapeutic use in dementia, stroke and TBI. Within the concept of NTFs in the treatment of these pathologies, we also review the neuropeptide preparation Cerebrolysin, which has been shown to resemble the activities of NTFs and to modulate the expression level of endogenous NTFs. Cerebrolysin has demonstrated beneficial treatment capabilities in vitro and in clinical studies, which are discussed within the context of the biochemistry of NTFs. The review focuses on the interactions of different NTFs, rather than addressing a single NTF, by outlining their signaling network and by reviewing their effect on clinical outcome in prevalent brain pathologies. The effects of the interactions of these NTFs and Cerebrolysin on neuroplasticity, neurogenesis, angiogenesis and inflammation, and their relevance for the treatment of dementia, stroke and TBI are summarized.
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Affiliation(s)
- Konrad Rejdak
- Department of Neurology, Medical University of Lublin, Lublin, Poland
| | | | | | - Anton Alvarez
- Medinova Institute of Neurosciences, Clinica RehaSalud, Coruña, Spain
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Chauhan V, Khan SA, Kulhari K. Correlation of brain-derived neurotrophic factor with severity of depression and treatment response. Med J Armed Forces India 2023; 79:451-457. [PMID: 37441286 PMCID: PMC10334149 DOI: 10.1016/j.mjafi.2020.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 09/29/2020] [Indexed: 01/04/2023] Open
Abstract
Background Brain-derived neurotrophic factor (BDNF) is a modulator of neuroplasticity in the brain. It plays an important role in the pathophysiology of depression through the stress pathway. The information about correlation of BDNF levels with depression severity and treatment response in Indian population is scarce. Methods Consecutive 60 never treated cases with depression reporting to a large tertiary care psychiatry unit and 60 healthy matched controls from 01 January 2016 to 31 December 2016 were enrolled for study. Sociodemographic data were collected. Diagnosis of depression was carried out as per International Classification of Diseases-10th revision (ICD-10) diagnostic criteria for research. The Hamilton Rating Scale for Depression (HRSD) was administered and accordingly scored. Venous blood for BDNF levels was collected from all cases and controls. Cases were reassessed after 04 weeks of treatment with HRSD and BDNF levels. Results The mean level of serum BDNF among cases (18.56 ng/ml) was found to be reduced significantly as compared with healthy controls (32.41 ng/ml). The mean serum BDNF level (18.56 ng/ml) in never treated cases was significantly negatively correlated with the median clinical HRSD score (18.5). There was a significant increase in the mean level of serum BDNF after antidepressant treatment. Conclusion The study has revealed statistically significant low levels of serum BDNF in cases not exposed to treatment with depression compared with healthy controls. There was significant negative correlation of levels of serum BDNF with depression severity. The levels of serum BDNF significantly increased after four weeks of treatment.
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Affiliation(s)
- V.S. Chauhan
- Associate Professor, Department of Psychiatry, Armed Forces Medical College, Pune, India
| | - Shahbaz Ali Khan
- Classified Specialist (Psychiatry), Command Hospital (Central Command), Lucknow, India
| | - Kanchan Kulhari
- Classified Specialist (Biochemistry & Pathology) Command Hospital (Western Command), Chandimandir, India
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Ramírez-Rodríguez GB, Meneses San-Juan D, Rico-Becerra AI, González-Olvera JJ, Reyes-Galindo V. Repetitive transcranial magnetic stimulation and fluoxetine reverse depressive-like behavior but with differential effects on Olig2-positive cells in chronically stressed mice. Neuropharmacology 2023; 236:109567. [PMID: 37209812 DOI: 10.1016/j.neuropharm.2023.109567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/22/2023]
Abstract
Depression is a mood disorder coursing with several behavioral, cellular, and neurochemical alterations. The negative impact of chronic stress may precipitate this neuropsychiatric disorder. Interestingly, downregulation of oligodendrocyte-related genes, abnormal myelin structure, and reduced numbers and density of oligodendrocytes in the limbic system have been identified in patients diagnosed with depression, but also in rodents exposed to chronic mild stress (CMS). Several reports have emphasized the importance of pharmacological or stimulation-related strategies in influencing oligodendrocytes in the hippocampal neurogenic niche. Repetitive transcranial magnetic stimulation (rTMS) has gained attention as an intervention to revert depression. Here, we hypothesized that 5 Hz (Hz) of rTMS or Fluoxetine (Flx) would revert depressive-like behaviors by influencing oligodendrocytes and revert neurogenic alterations caused by CMS in female Swiss Webster mice. Our results showed that 5 Hz rTMS or Flx revert depressive-like behavior. Only rTMS influenced oligodendrocytes by increasing the number of Olig2-positive cells in the hilus of the dentate gyrus and the prefrontal cortex. However, both strategies exerted effects on some events of the hippocampal neurogenic processes, such as cell proliferation (Ki67-positive cells), survival (CldU-positive cells), and intermediate stages (doublecortin-positive cells) along the dorsal-ventral axis of this region. Interestingly, the combination of rTMS-Flx exerted antidepressant-like effects, but the increased number of Olig2-positive cells observed in mice treated only with rTMS was canceled. However, rTMS-Flx exerted a synergistic effect by increasing the number of Ki67-positive cells. It also increased the number of CldU- and doublecortin-positive cells in the dentate gyrus. Our results demonstrate that 5 Hz rTMS has beneficial effects, as it reverted depressive-like behavior by increasing the number of Olig2-positive cells and reverting the decrement in hippocampal neurogenesis in CMS-exposed mice. Nevertheless, the effects of rTMS on other glial cells require further investigation.
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Affiliation(s)
- Gerardo Bernabé Ramírez-Rodríguez
- Laboratorio de Neurogénesis, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, Alcaldía Tlalpan, C.P, 14370, Ciudad de México, Mexico.
| | - David Meneses San-Juan
- Laboratorio de Neurogénesis, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, Alcaldía Tlalpan, C.P, 14370, Ciudad de México, Mexico
| | - Allan Irasek Rico-Becerra
- Laboratorio de Neurogénesis, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, Alcaldía Tlalpan, C.P, 14370, Ciudad de México, Mexico; Licenciatura en Neurociencias, Facultad de Medicina. Universidad Nacional Autónoma de México. Circuito Interior, Avenida Universidad 3000, Ciudad Universitaria, Alcaldía Coyoacán, C.P, 04510, Ciudad de México, Mexico
| | - Jorge Julio González-Olvera
- Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101. Alcaldía Tlalpan, C.P, 14370, Ciudad de México, Mexico
| | - Verónica Reyes-Galindo
- Instituto de Ecología. Universidad Nacional Autónoma de México. Circuito Interior, Avenida Universidad 3000, Ciudad Universitaria. Alcaldía Coyoacán, C.P, 04510, Ciudad de México, Mexico
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Tao W, Yao G, Yue Q, Xu C, Hu Y, Cheng X, Zhao T, Qi M, Chen G, Zhao M, Yu Y. 14-3-3ζ Plays a key role in the modulation of neuroplasticity underlying the antidepressant-like effects of Zhi-Zi-Chi-Tang. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 116:154888. [PMID: 37257329 DOI: 10.1016/j.phymed.2023.154888] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 03/15/2023] [Accepted: 05/16/2023] [Indexed: 06/02/2023]
Abstract
BACKGROUND Zhi-Zi-Chi-Tang (ZZCT) is an effective traditional Chinese medicinal formula. ZZCT has been used for the treatment of depression for centuries. Its clinical efficacy in relieving depression has been confirmed. However, the molecular mechanisms of ZZCT regarding neuroplasticity in the pathogenesis of depression have not yet been elucidated. PURPOSE The present study aimed to examine the effects of ZZCT on neuroplasticity in mice exposed to chronic unpredictable mild stress (CUMS), and to explore the underlying molecular mechanisms. METHODS For this purpose, a murine model of depression was established using the CUMS procedure. Following the intragastric administration of ZZCT or fluoxetine, classic behavioral experiments were performed to observe the efficacy of ZZCT as an antidepressant. Immunofluorescence was used to label and quantify microtubule-associated protein (MAP2) and postsynaptic density protein (PSD95) in the hippocampus. Golgi staining was applied to visualize the dendritic spine density of neurons in the hippocampi. Isolated hippocampal slices were prepared to induce long-term potentiation (LTP) in the CA1 area. The hippocampal protein expression levels of glycogen synthase kinase-3β (GSK-3β), p-GSK-3β (Ser9), cAMP response element binding protein (CREB), p-CREB (Ser133), brain-derived neurotrophic factor (BDNF) and 14-3-3ζ were detected using western blot analysis. The interaction of 14-3-3ζ and p-GSK-3β (Ser9) was examined using co-immunoprecipitation. LV-shRNA was used to knockdown 14-3-3ζ by an intracerebroventricular injection. RESULTS ZZCT (6 g/kg) and fluoxetine (20 mg/kg) alleviated depressive-like behavior, restored hippocampal MAP2+ PSD95+ intensity, and reversed the dendritic spine density of hippocampal neurons and LTP in the CA1 region of mice exposed to CUMS. Both low and high doses of ZZCT (3 and 6 g/kg) significantly promoted the binding of 14-3-3ζ to p-GSK-3β (Ser9) in the hippocampus, and ZZCT (6 g/kg) significantly promoted the phosphorylation of GSK-3β Ser9 and CREB Ser133 in the hippocampus. ZZCT (3 and 6 g/kg) upregulated hippocampal BDNF expression in mice exposed to CUMS. LV-sh14-3-3ξ reduced the antidepressant effects of ZZCT. CONCLUSION ZZCT exerted antidepressant effects against CUMS-stimulated depressive-like behavior mice. The knockdown of 14-3-3ζ using lentivirus confirmed that 14-3-3ζ was involved in the ZZCT-mediated antidepressant effects through GSK-3β/CREB/BDNF signaling. On the whole, these results suggest that the antidepressant effects of ZZCT are attributed to restoring damage by neuroplasticity enhancement via the 14-3-3ζ/GSK-3β/CREB/BDNF signaling pathway.
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Affiliation(s)
- Weiwei Tao
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; Neurology Department, Kunshan Hospital Affiliated to Nanjing University of Chinese Medicine, Kunshan, China
| | - Guangda Yao
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qiyu Yue
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Chunyan Xu
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yue Hu
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - XiaoLan Cheng
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Tong Zhao
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Mingming Qi
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Gang Chen
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, and Research Center for Formula and Patterns, Jinan University, Guangzhou, China
| | - Min Zhao
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Yue Yu
- Neurology Department, Kunshan Hospital Affiliated to Nanjing University of Chinese Medicine, Kunshan, China.
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Min H, Alemi F, Wojtusiak J. Selecting Antidepressants Based on Medical History and Stress Mechanism. Cureus 2023; 15:e37117. [PMID: 37168173 PMCID: PMC10166387 DOI: 10.7759/cureus.37117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2023] [Indexed: 04/05/2023] Open
Abstract
Purpose At present, clinicians typically prescribe antidepressants based on the widely accepted "serotonin hypothesis." This study explores an alternative mechanism, the stress mechanism, for selecting antidepressants based on patients' medical history. Methods This study investigated clinicians' prescribing patterns for the 15 most common antidepressants, including amitriptyline, bupropion, citalopram, desvenlafaxine, doxepin, duloxetine, escitalopram, fluoxetine, mirtazapine, nortriptyline, paroxetine, ropinirole, sertraline, trazodone, and Venlafaxine. The least absolute shrinkage and selection operator (LASSO) logistic regression was used to identify factors that affect the remission of depression symptoms after receiving an antidepressant. Results The study found that a wide range of factors influenced the propensity of clinicians to prescribe antidepressants, with the number of predictors ranging from 51 to 206 variables. The prevalence of prescribing an antidepressant ranged from 0.5% for doxepin to 24% for the combination of more than one antidepressant. The area under the receiver operating curves (AROC) ranged from 77.2% for venlafaxine to 90.5% for ropinirole, with an average AROC of 82% for predicting the propensity of medications. A variety of diagnoses and prior medications affected remission, in agreement that the central mechanism for the impact of medications on the brain is through stress reduction. For example, psychotherapy, whether done individually or in a group, whether done for a short or long time, and whether done with evaluation/assessment or not, had an impact on remission. Specifically, teenagers and octogenarians were less likely to benefit from bupropion, citalopram, escitalopram, fluoxetine, and sertraline compared to patients between 40 and 65 years old. The findings of this study suggest that considering a patient's medical history and individual characteristics is crucial for selecting the most effective antidepressant treatment. Conclusions Many studies have raised doubt about the serotonin hypothesis as the central mechanism for depression treatment. The identification of a wide range of predictors for prescribing antidepressants highlights the complexity of depression treatment and the need for individualized approaches that consider patients' comorbidities and previous treatments. The significant impact of comorbidities on the response to treatment makes it improbable that the mechanism of action of antidepressants is solely based on the serotonin hypothesis. It is hard to explain how comorbidities lead to the depletion of serotonin. These findings open up a variety of courses of action for the clinical treatment of depression, each addressing a different source of chronic stress in the brain. Overall, this study contributes to a better understanding of depression treatment and provides valuable insights for clinicians in selecting antidepressants based on patients' medical history.
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Li A, Liu Z, Ali T, Gao R, Luo Y, Gong Q, Zheng C, Li W, Guo H, Liu X, Li S, Li T. Roxadustat (FG-4592) abated lipopolysaccharides-induced depressive-like symptoms via PI3K signaling. Front Mol Neurosci 2023; 16:1048985. [PMID: 37008780 PMCID: PMC10056220 DOI: 10.3389/fnmol.2023.1048985] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 02/07/2023] [Indexed: 03/17/2023] Open
Abstract
BackgroundDespite its role in inflammation and the redox system under hypoxia, the effects and molecular mechanisms of hypoxia-inducible factor (HIF) in neuroinflammation-associated depression are poorly explored. Furthermore, Prolyl hydroxylase domain-containing proteins (PHDs) regulate HIF-1; however, whether and how PHDs regulate depressive-like behaviors under Lipopolysaccharides (LPS)-induced stress conditions remain covered.MethodsTo highlight the roles and underlying mechanisms of PHDs-HIF-1 in depression, we employed behavioral, pharmacological, and biochemical analyses using the LPS-induced depression model.ResultsLipopolysaccharides treatment induced depressive-like behaviors, as we found, increased immobility and decreased sucrose preference in the mice. Concurrently, we examined increased cytokine levels, HIF-1 expression, mRNA levels of PHD1/PHD2, and neuroinflammation upon LPS administration, which Roxadustat reduced. Furthermore, the PI3K inhibitor wortmannin reversed Roxadustat-induced changes. Additionally, Roxadustat treatment attenuated LPS-induced synaptic impairment and improved spine numbers, ameliorated by wortmannin.ConclusionLipopolysaccharides-dysregulates HIF-PHDs signaling may contribute to neuroinflammation-coincides depression via PI3K signaling.
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Affiliation(s)
- Axiang Li
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, China
- Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Zizhen Liu
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Tahir Ali
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Chemical Biology, Shenzhen, China
| | - Ruyan Gao
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Yanhua Luo
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Qichao Gong
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Chenyou Zheng
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Weifen Li
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Hongling Guo
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Xinshe Liu
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, China
- Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- NHC Key Laboratory of Forensic Science, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Shupeng Li
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Chemical Biology, Shenzhen, China
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- *Correspondence: Shupeng Li, ; Tao Li,
| | - Tao Li
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, China
- Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- NHC Key Laboratory of Forensic Science, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- *Correspondence: Shupeng Li, ; Tao Li,
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Aditi Devi N, Phillip M, Varambally S, Christopher R, Gangadhar BN. Yoga as a monotherapy alters proBDNF - mature BDNF ratio in patients with major depressive disorder. Asian J Psychiatr 2023; 81:103429. [PMID: 36608612 DOI: 10.1016/j.ajp.2022.103429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 12/24/2022] [Indexed: 12/27/2022]
Affiliation(s)
- N Aditi Devi
- Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bengaluru 560029, India
| | - Mariamma Phillip
- Department of Biostatistics, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bengaluru 560029, India
| | - Shivarama Varambally
- Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bengaluru 560029, India.
| | - Rita Christopher
- Department of Neurochemistry, National Institute of Mental health and Neurosciences (NIMHANS), Hosur Road, Bengaluru 560029, India
| | - B N Gangadhar
- Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bengaluru 560029, India
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Dourron HM, Strauss C, Hendricks PS. Self-Entropic Broadening Theory: Toward a New Understanding of Self and Behavior Change Informed by Psychedelics and Psychosis. Pharmacol Rev 2022; 74:982-1027. [DOI: 10.1124/pharmrev.121.000514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 11/22/2022] Open
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D'Cruz M, Andrade C. Potential clinical applications of Ashwagandha ( Withania somnifera) in medicine and neuropsychiatry. Expert Rev Clin Pharmacol 2022; 15:1067-1080. [PMID: 36062480 DOI: 10.1080/17512433.2022.2121699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Ashwagandha (ASW) is the extract of the plant Withania somnifera. It is widely used in complementary, alternative, and integrative medicine (CAIM) but is little discussed in mainstream modern medical literature. AREAS COVERED We performed a review of potential pharmacotherapeutic properties of ASW. Studies were sourced from relevant online and offline databases. In animal models, ASW displays antioxidant activity. It has GABAergic and other neurotransmitter modulatory effects. It reduces apoptosis and promotes synaptic plasticity. It improves cognition and reverses induced cognitive deficits. It attenuates indices of stress. In human subjects, ASW enhances adaptogenesis in healthy adults. It modestly benefits generalized anxiety disorder and obsessive-compulsive disorder, and symptom severity in schizophrenia, substance use disorders, and attention deficit hyperactivity disorder. It improves sleep quality. EXPERT OPINION ASW may confer modest benefit in certain neuropsychiatric conditions. Its benefits may arise from induction of neuroplasticity, antioxidant and anti-inflammatory effects, and modulation of GABA and glutamate, as well as other neurotransmitters. The antioxidant and anti-inflammatory actions may also benefit neurodegenerative states. Reports of clinical benefit with ASW must be interpreted with caution, given the paucity of randomized clinical trials (RCTs). Greater methodological rigor is necessary before clinical recommendations on ASW can be confidently made.
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Affiliation(s)
- Migita D'Cruz
- Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Chittaranjan Andrade
- Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences, Bangalore, India
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Peng Y, Huang Y, Chen B, He M, Jiang L, Li Y, Huang X, Pei C, Zhang S, Li C, Zhang X, Zhang T, Zheng Y, Yao D, Li F, Xu P. Electroencephalographic Network Topologies Predict Antidepressant Responses in Patients with Major Depressive Disorder. IEEE Trans Neural Syst Rehabil Eng 2022; 30:2577-2588. [PMID: 36044502 DOI: 10.1109/tnsre.2022.3203073] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Medication therapy seems to be an effective treatment for major depressive disorder (MDD). However, although the efficacies of various medicines are equal or similar on average, they vary widely among individuals. Therefore, an understanding of methods for the timely evaluation of short-term therapeutic response and prediction of symptom improvement after a specific course of medication at the individual level at the initial stage of treatment is very important. In our present study, we sought to identify a neurobiological signature of the response to short-term antidepressant treatment. Related brain network analysis was applied in resting-state electroencephalogram (EEG) datasets from patients with MDD. The corresponding EEG networks were constructed accordingly and then quantitatively measured to predict the efficacy after eight weeks of medication, as well as to distinguish the therapeutic responders from non-responders. The results of our present study revealed that the corresponding resting-state EEG networks became significantly weaker after one week of treatment, and the eventual medication efficacy was reliably predicted using the changes in those network properties within the one-week medication regimen. Moreover, the corresponding resting-state networks at baseline were also proven to precisely distinguish those responders from other individuals with an accuracy of 96.67% when using the spatial network topologies as the discriminative features. These findings consistently provide a deeper neurobiological understanding of antidepressant treatment and a reliable and quantitative approach for personalized treatment of MDD.
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Piersma D, Aguilar M, Seibert H, Boyle B, Griffith G, Valdovinos MG. Descriptive Longitudinal Analysis of Stereotypy and Corresponding Changes in Psychotropic Medication. Dev Neurorehabil 2022; 25:298-308. [PMID: 34865596 PMCID: PMC9166166 DOI: 10.1080/17518423.2021.2011461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Psychotropic medication is often prescribed to individuals with intellectual and developmental disabilities who engage in challenging and other behavior (e.g., aggression and stereotypy, respectively), but there is limited understanding of the effects of these medications on behavior. OBJECTIVE Within the context of a larger study that evaluated the effects of psychotropic medication regimen changes on the presentation of challenging behavior, this study describes the presentation of stereotypic behavior of three individuals diagnosed with autism spectrum disorder. METHODS Stereotypy was measured during weekly, one-hour, direct observations and during the control and ignore conditions of functional analyses of challenging behavior (which were conducted following changes in psychotropic medication regimens). RESULTS Patterns of stereotypy varied over time, but not significantly, and at times seemed to coincide with medication changes. DISCUSSION Our results suggest stereotypy persists throughout adulthood; however, additional research is needed.
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22
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Witkoś J, Fusińska-Korpik A, Hartman-Petrycka M, Nowak A. An assessment of sensory sensitivity in women suffering from depression using transcutaneous electrical nerve stimulation. PeerJ 2022; 10:e13373. [PMID: 35573182 PMCID: PMC9097666 DOI: 10.7717/peerj.13373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/13/2022] [Indexed: 01/13/2023] Open
Abstract
Background Perception is the process or result of the process arising from the mental interpretation of the phenomena occurring, therefore it depends not only on physiology, but is also psychologically and socially conditioned. The aim of this study was to assess if there is a difference in the sensory sensitivity to an electrical stimulus in women suffering from depression and what the hedonic rating is of the lived experience of transcutaneous electrical nerve stimulation. Methods The depression group: 44 women, who were inpatients treated for depression at the Psychiatric Ward in the Clinical Hospital, and the control group: 41 women, matched by the age, height and weight, with no mental illness. Measures: threshold for sensing current, type of sensation evoked, hedonic rating. Results Median sensing threshold of electric current (depression vs. control: 7.75 mA vs. 8.35 mA; no significant), type of sensation evoked (depression vs. control: tingling 90.9% vs. 92.7%, no significant), hedonic rating (depression vs. control: unpleasant 11.4% vs. 2.4%; p = 0.003), hedonic rating (mildly ill vs. moderately ill vs. markedly ill: unpleasant 5.3% vs. 6.3% vs. 33.3%; p = 0.066). Conclusions Women suffering from depression exhibit a similar threshold of sensitivity to an electrical stimulus as mentally healthy women, however the hedonic rating of the stimulus acting on the skin in the group of clinically depressed women was more negative than in the mentally healthy subjects. The stimulus was described as 'unpleasant' for many of the mentally unhealthy women. The most negative sensations related to the electrical stimulus were experienced by women with the highest severity of mental illness according to The Clinical Global Impression - Severity Scale.
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Affiliation(s)
- Joanna Witkoś
- Medicine and Health Science, Andrzej Frycz Modrzewski Krakow University, Kraków, Poland
| | - Agnieszka Fusińska-Korpik
- Medicine and Health Science, Andrzej Frycz Modrzewski Krakow University, Kraków, Poland,Józef Babiński Clinical Hospital in Krakow, Psychiatric Ward, Kraków, Poland
| | - Magdalena Hartman-Petrycka
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Poland
| | - Agnieszka Nowak
- Józef Babiński Clinical Hospital in Krakow, Psychiatric Ward, Kraków, Poland
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Trepl J, Dahlmanns M, Kornhuber J, Groemer TW, Dahlmanns JK. Common network effect-patterns after monoamine reuptake inhibition in dissociated hippocampus cultures. J Neural Transm (Vienna) 2022; 129:261-275. [PMID: 35211818 PMCID: PMC8930948 DOI: 10.1007/s00702-022-02477-6] [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: 04/01/2021] [Accepted: 02/11/2022] [Indexed: 12/04/2022]
Abstract
The pharmacological treatment of major depressive disorder with currently available antidepressant drugs is still unsatisfying as response to medication is delayed and in some patients even non-existent. To understand complex psychiatric diseases such as major depressive disorder and their treatment, research focus is shifting from investigating single neurons towards a view of the entire functional and effective neuronal network, because alterations on single synapses through antidepressant drugs may translate to alterations in the entire network. Here, we examined the effects of monoamine reuptake inhibitors on in vitro hippocampal network dynamics using calcium fluorescence imaging and analyzing the data with means of graph theoretical parameters. Hypothesizing that monoamine reuptake inhibitors operate through changes of effective connectivity on micro-scale neuronal networks, we measured the effects of the selective monoamine reuptake inhibitors GBR-12783, Sertraline, Venlafaxine, and Amitriptyline on neuronal networks. We identified a common pattern of effects of the different tested monoamine reuptake inhibitors. After treatment with GBR-12783, Sertraline, and Venlafaxine, the connectivity degree, measuring the number of existing connections in the network, was significantly decreased. All tested substances led to networks with more submodules and a reduced global efficiency. No monoamine reuptake inhibitor did affect network-wide firing rate, the characteristic path length, or the network strength. In our study, we found that monoamine reuptake inhibition in neuronal networks in vitro results in a sharpening of the network structure. These alterations could be the basis for the reorganization of a large-scale miswired network in major depressive disorder.
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Affiliation(s)
- Julia Trepl
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Marc Dahlmanns
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University Erlangen-Nürnberg, 91054, Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Teja Wolfgang Groemer
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Jana Katharina Dahlmanns
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany.
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Menon V. Revisiting cultural and biological perspectives on depression and antidepressants. INTERNATIONAL JOURNAL OF ADVANCED MEDICAL AND HEALTH RESEARCH 2022. [DOI: 10.4103/ijamr.ijamr_250_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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25
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Alnijadi AA, Yuan J, Wu J, Li M, Lu ZK. Cost-Related Medication Nonadherence (CRN) on Healthcare Utilization and Patient-Reported Outcomes: Considerations in Managing Medicare Beneficiaries on Antidepressants. Front Pharmacol 2021; 12:764697. [PMID: 34950029 PMCID: PMC8688804 DOI: 10.3389/fphar.2021.764697] [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: 08/25/2021] [Accepted: 11/05/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Many patients face a financial burden due to their medications, which may lead to poor health outcomes. The behaviors of non-adherence due to financial difficulties, known as cost-related medication non-adherence (CRN), include taking smaller doses of drugs, skipping doses to make prescriptions last longer, or delaying prescriptions. To date, the prevalence of CRN remains unknown, and there are few studies about the association of CRN on self-reported healthcare utilization (Emergency room (ER) visits and outpatient visits) and self-reported health outcomes (health status and disability status) among older adults taking antidepressants. Objectives: The objectives were to 1) examine the CRN prevalence, and 2) determine the association of CRN on self-reported healthcare utilization and self-reported health outcomes. Methods: This study was a cross-sectional study of a sample of older adults from the Medicare Current Beneficiary Survey (MCBS) who reported having used antidepressants in 2017. Four logistic regressions were implemented to evaluate the association of CRN, and self-reported healthcare utilization and self-reported health outcomes. Results: The study identified 602 participants who were Medicare beneficiaries on antidepressants. The prevalence of CRN among antidepressant users was (16.61%). After controlling for covariates, CRN was associated with poorer self-reported outcomes but not statistically significant: general health status [odds ratio (OR): 0.67; 95% confidence interval (CI): 0.39-1.16] and disability status (OR: 1.34; 95% CI: 0.83-2.14). In addition, CRN was associated with increased outpatient visits (OR: 1.89; 95% CI: 1.19-3.02), but not associated with ER visits (OR: 1.10; 95% CI: 0.69-1.76). Conclusion: For Medicare beneficiaries on antidepressants, CRN prevalence was high and contributed to more outpatient visits. The healthcare provider needs to define the reasoning for CRN and provide solutions to reduce the financial burden on the affected patient. Also, health care providers need to consider the factors that may enhance patient health status and healthcare efficiency.
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Affiliation(s)
- Abdulrahman A. Alnijadi
- Department of Clinical Pharmacy and Outcomes Sciences, University of South Carolina, Columbia, SC, United States
- Department of Pharmacy Practice, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Jing Yuan
- Department of Clinical Pharmacy and Pharmacy Practice, School of Pharmacy, Fudan University, Shanghai, China
| | - Jun Wu
- Department of Pharmaceutical and Administrative Sciences, Presbyterian College, Clinton, SC, United States
| | - Minghui Li
- Department of Clinical Pharmacy and Translational Science, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Z. Kevin Lu
- Department of Clinical Pharmacy and Outcomes Sciences, University of South Carolina, Columbia, SC, United States
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Abstract
Epigenetic mechanisms such as DNA methylation (DNAm) have been associated with stress responses and increased vulnerability to depression. Abnormal DNAm is observed in stressed animals and depressed individuals. Antidepressant treatment modulates DNAm levels and regulates gene expression in diverse tissues, including the brain and the blood. Therefore, DNAm could be a potential therapeutic target in depression. Here, we reviewed the current knowledge about the involvement of DNAm in the behavioural and molecular changes associated with stress exposure and depression. We also evaluated the possible use of DNAm changes as biomarkers of depression. Finally, we discussed current knowledge limitations and future perspectives.
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27
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Ricci A, Idzikowski MA, Soares CN, Brietzke E. Exploring the mechanisms of action of the antidepressant effect of the ketogenic diet. Rev Neurosci 2021; 31:637-648. [PMID: 32406387 DOI: 10.1515/revneuro-2019-0073] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022]
Abstract
The ketogenic diet (KD) is characterized by a diet ratio of 4:1 fat to non-fat energy sources. For decades KD has been successfully used to control seizures in epilepsy patients. Investigations into its mechanism of action suggest that it may have an effect on the metabolic, nervous, immune, and digestive systems. In this review, we postulate that KD may also improve depressive symptoms - for that, we highlight the similarities between depression and epilepsy, describe the extent to which body systems involved in both conditions are affected by the KD, and ultimately hypothesize how KD could improve MDD outcomes. Research into animal models and human patients have reported that KD can increase mitochondrial biogenesis and increase cellular resistance to oxidative stress both at the mitochondrial and genetic levels. Its effect on neurotransmitters alters cell-to-cell communication in the brain and may decrease hyperexcitability by increasing Gamma Aminobutyric Acid (GABA) and decreasing excitatory neurotransmitter levels. Its anti-inflammatory effects are mediated by decreasing chemo- and cytokine levels, including TNF-alpha and IL-1 levels. Finally, KD can alter gut microbiota (GM). Certain strains of microbiota predominate in major depressive disorder (MDD) when compared to healthy individuals. Recent evidence points to Bacteroidetes as a potential treatment predictor as it seems to increase in KD treatment responders for epilepsy. Each of these observations contributes to the presumed modulatory effects of KD on mood and supports its potential role as antidepressant.
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Affiliation(s)
- Alessandro Ricci
- Department of Psychiatry, Queen's University School of Medicine, 752 King Street West, K7L7X3, Kingston, ON, Canada
| | - Maia A Idzikowski
- Department of Psychiatry, Queen's University School of Medicine, 752 King Street West, K7L7X3, Kingston, ON, Canada
| | - Claudio N Soares
- Department of Psychiatry, Queen's University School of Medicine, 752 King Street West, K7L7X3, Kingston, ON, Canada.,Providence Care Hospital, Kingston, ON, Canada.,Kingston General Hospital, Kingston, ON, Canada.,Centre for Neuroscience Studies (CNS), Queen's University, Kingston, ON, Canada
| | - Elisa Brietzke
- Department of Psychiatry, Queen's University School of Medicine, 752 King Street West, K7L7X3, Kingston, ON, Canada.,Kingston General Hospital, Kingston, ON, Canada.,Centre for Neuroscience Studies (CNS), Queen's University, Kingston, ON, Canada
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Rădulescu I, Drăgoi AM, Trifu SC, Cristea MB. Neuroplasticity and depression: Rewiring the brain's networks through pharmacological therapy (Review). Exp Ther Med 2021; 22:1131. [PMID: 34504581 PMCID: PMC8383338 DOI: 10.3892/etm.2021.10565] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/19/2021] [Indexed: 12/14/2022] Open
Abstract
In modern society, depression is one of the most common mental illness; however, its pathophysiology is not yet fully understood. A great body of evidence suggests that depression causes changes in neuroplasticity in specific regions of the brain which are correlated to symptom severity, negative emotional rumination as well as fear learning. Depression is correlated with atrophy of neurons in the cortical and limbic brain regions that control mood and emotion. Antidepressant therapy can exhibit effects on neuroplasticity and reverse the neuroanatomical changes found in depressed patients. The investigation of fast-acting agents that reverse behavioral and neuronal deficiencies of chronic depression, especially the glutamate receptor antagonist NMDA ketamine, and the cellular mechanisms underlying the rapid antidepressant actions of ketamine and related agents are of real interest in current research. Actual medication such as serotonin (5-HT) selective reuptake inhibitor (SSRI) antidepressants, require weeks to months of administration before a clear therapeutic response. The current review aimed to underline the negative effects of depression on neuroplasticity and present the current findings on the effects of antidepressant medication.
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Affiliation(s)
- Ioana Rădulescu
- Faculty of Psychology and Educational Sciences, University of Bucharest, 050663 Bucharest, Romania
| | - Ana Miruna Drăgoi
- Department of Psychiatry, 'Prof. Dr. Alex. Obregia' Clinical Hospital of Psychiatry, 041914 Bucharest, Romania
| | - Simona Corina Trifu
- Department of Clinical Neurosciences, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Mihai Bogdan Cristea
- Department of Morphological Sciences, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
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Artin H, Zisook S, Ramanathan D. How do serotonergic psychedelics treat depression: The potential role of neuroplasticity. World J Psychiatry 2021; 11:201-214. [PMID: 34168967 PMCID: PMC8209538 DOI: 10.5498/wjp.v11.i6.201] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/07/2021] [Accepted: 05/20/2021] [Indexed: 02/06/2023] Open
Abstract
Depression is a common mental disorder and one of the leading causes of disability around the world. Monoaminergic antidepressants often take weeks to months to work and are not effective for all patients. This has led to a search for a better understanding of the pathogenesis of depression as well as to the development of novel antidepressants. One such novel antidepressant is ketamine, which has demonstrated both clinically promising results and contributed to new explanatory models of depression, including the potential role of neuroplasticity in depression. Early clinical trials are now showing promising results of serotonergic psychedelics for depression; however, their mechanism of action remains poorly understood. This paper seeks to review the effect of depression, classic antidepressants, ketamine, and serotonergic psychedelics on markers of neuroplasticity at a cellular, molecular, electrophysiological, functional, structural, and psychological level to explore the potential role that neuroplasticity plays in the treatment response of serotonergic psychedelics.
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Affiliation(s)
- Hewa Artin
- Department of Psychiatry, UC San Diego, La Jolla, CA 92093, United States
| | - Sidney Zisook
- Department of Psychiatry, UC San Diego, San Diego, CA 92093, United States
| | - Dhakshin Ramanathan
- Department of Psychiatry, VA San Diego Healthcare System, San Diego, CA 92161, United States
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30
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Xia B, Chen C, Tao W. Neuroplasticity: A Key Player in the Antidepressant Action of Chinese Herbal Medicine. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:1115-1133. [PMID: 34049476 DOI: 10.1142/s0192415x21500531] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Traditional Chinese medicine (TCM) is a systematic medicine. It provides alternative strategies for the treatment of depression with its clinical experience, comprehensive diagnosis, and treatment theory. Chinese herbal medicine (CHM) is the major form of TCM prescription, and numerous CHMs have been demonstrated to possess remarkable antidepressant-like properties. A diversity of mechanisms have been implicated in CHM-associated antidepressant property. This paper reviewed the neuroplastic mechanisms underlying the antidepressant actions of CHM, finding that CHM repairs neuroplasticity by improving neurogenesis, neurotrophic factors, synaptic spine morphology, cell signaling, glutamatergic system, monoamine neurotransmitters, and neural apoptosis. CHM thereby exerts an antidepressant effect, attempting to offer a better understanding of the mechanisms implicated in TCM-related antidepressant-like efficacy and laying a foundation for the scientific evaluation and development of TCM in treating depression.
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Affiliation(s)
- Baomei Xia
- Faculty of Rehabilitation Science, Nanjing Normal University of Special Education, Nanjing 210023, P. R. China.,School of Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China
| | - Chang Chen
- Department of Neurology, Nanjing Hospital of Chinese Medicine, Affiliated to Nanjing University of Chinese Medicine, Nanjing 210022, P. R. China
| | - Weiwei Tao
- School of Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China
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Kukuia KKE, Mensah JA, Amoateng P, Osei-Safo D, Koomson AE, Torbi J, Adongo DW, Ameyaw EO, Ben IO, Amponsah SK, Bugyei KA, Asiedu-Gyekye IJ. Glycine/NMDA Receptor Pathway Mediates the Rapid-onset Antidepressant Effect of Alkaloids From Trichilia Monadelpha. Basic Clin Neurosci 2021; 12:395-408. [PMID: 34917298 PMCID: PMC8666917 DOI: 10.32598/bcn.12.3.2838.1] [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: 08/18/2020] [Revised: 10/26/2020] [Accepted: 12/07/2020] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Major depressive disorder is often associated with suicidal tendencies, and this condition accentuates the need for rapid-acting antidepressants. We previously reported that Alkaloids (ALK) from Trichilia monadelpha possess antidepressant action in acute animal models of depression and that this effect is mediated through the monoamine and L-arginine-NO-cGMP pathways. This study investigated the possible rapid-onset antidepressant effect of ALK from T. monadelpha and its connection with the glycine/NMDA receptor pathway. METHODS The onset of ALK action from T. monadelpha was evaluated using the Open Space Swim Test (OSST), a chronic model of depression. The modified forced swimming and tail suspension tests were used to assess the effect of the ALK on the glycine/NMDA receptor pathway. The Instutute of Cancer Research (ICR) mice were treated with either ALK (30-300 mg/kg, orally [PO]), imipramine (3-30 mg/kg, PO), fluoxetine (3-30 mg/kg, PO), or saline. To identify the role of glycine/NMDA receptor pathway in the effect of ALK, we pretreated mice with a partial agonist of the glycine/NMDA receptor, D-cycloserine (2.5 mg/kg, intraperitoneally [IP]), and an agonist of glycine/NMDA receptor, D-serine (600 mg/kg, IP), before ALK administration. RESULTS ALK reversed immobility in mice after the second day of drug treatment in the OSST. In contrast, there was a delay in the effects induced by fluoxetine and imipramine. ALK also increased mean swimming and climbing scores in mice. ALK was more efficacious than imipramine and fluoxetine in reducing immobility and increasing distance traveled. It is noteworthy that ALK was less potent than fluoxetine and imipramine. D-cycloserine potentiated mobility observed in the ALK- and fluoxetine-treated mice. In contrast, D-serine decreased mobility in the ALK-treated mice. CONCLUSION The study results suggest that ALK from T. monadelpha exhibits rapid antidepressant action in mice, and the glycine/NMDA receptor pathway possibly mediates the observed effect.
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Affiliation(s)
- Kennedy Kwami Edem Kukuia
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
- Corresponding Author:Kennedy Kwami Edem Kukuia, PhD., Address: Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana., Tel: +233 (20) 4608498, E-mail:;
| | - Jeffrey Amoako Mensah
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, U.S. A
| | - Patrick Amoateng
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Dorcas Osei-Safo
- Department of Chemistry, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of Ghana, Legon-Accra, Ghana
| | - Awo Efua Koomson
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Joseph Torbi
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Donatus Wewura Adongo
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Elvis Ofori Ameyaw
- Department of Pharmacology, School of Pharmacy and Pharmaceutical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Inemesit Okon Ben
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Seth Kwabena Amponsah
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Kwasi Agyei Bugyei
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Isaac Julius Asiedu-Gyekye
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
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Sarno E, Moeser AJ, Robison AJ. Neuroimmunology of depression. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 91:259-292. [PMID: 34099111 DOI: 10.1016/bs.apha.2021.03.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Depression is one of the leading causes of disability worldwide and a major contributor to the global burden of disease, yet the cellular and molecular etiology of depression remain largely unknown. Major Depressive Disorder (MDD) is associated with a variety of chronic physical inflammatory and autoimmune disorders, and mood disorders may act synergistically with other medical disorders to worsen patient outcomes. Here, we outline the neuroimmune complement, explore the evidence for altered immune system function in MDD, and present some of the potential mechanisms by which immune cells and molecules may drive the onset and course of MDD. These include pro-inflammatory signaling, alterations in the hypothalamic-pituitary-adrenal axis, dysregulation of the serotonergic and noradrenergic neurotransmitter systems, neuroinflammation, and meningeal immune dysfunction. Finally, we discuss the interactions between current antidepressants and the immune system and propose the possibility of immunomodulatory drugs as potential novel antidepressant treatments.
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Affiliation(s)
- Erika Sarno
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Adam J Moeser
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
| | - Alfred J Robison
- Department of Physiology, Michigan State University, East Lansing, MI, United States.
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Vieira ÉLM, da Silva MCM, Gonçalves AP, Martins GL, Teixeira AL, de Oliveira ACP, Reis HJ. Serotonin and dopamine receptors profile on peripheral immune cells from patients with temporal lobe epilepsy. J Neuroimmunol 2021; 354:577534. [PMID: 33713941 DOI: 10.1016/j.jneuroim.2021.577534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 02/27/2021] [Accepted: 02/27/2021] [Indexed: 01/11/2023]
Abstract
The role of inflammation and immune cells has been demonstrated in neurological diseases, including epilepsy. Leukocytes, as well as inflammatory mediators, contribute to abnormal processes that lead to a reduction in seizure threshold and synaptic reorganization. In this sense, identifying different phenotypes of circulating immune cells is essential to understanding the role of these cells in epilepsy. Immune cells can express a variety of surface markers, including neurotransmitter receptors, such as serotonin and dopamine. Alteration in these receptors expression patterns may affect the level of inflammatory mediators and the pathophysiology of epilepsy. Therefore, in the current study, we evaluated the expression of dopamine and serotonin receptors on white blood cells from patients with temporal lobe epilepsy with hippocampal sclerosis (TLE-HS). Blood samples from 17 patients with TLE-HS and 21 controls were collected. PBMC were isolated and stained ex vivo for flow cytometry. We evaluated the expression of serotonin (5-HT1A, 5-HT1B, 5-HT2, 5-HT2B, 5-HT2C, 5-HT3, 5-HT4), and dopamine receptors (D1, D2, D3, D4, and D5) on the cell surface of lymphocytes and innate immune cells (monocytes and granulocytes). Our results demonstrated that innate cells and lymphocytes from patients with TLE-HS showed high mean fluorescent intensity (MFI) for 5-HT1A, 5-HT1B, 5-HT2A, and 5-HT4 compared to controls. No difference was observed for 5-HT2B. For dopamine receptors, the expression of D1, D2, D4, and D5 receptors was higher on innate cells from patients with TLE-HS when compared to controls for the MFI. Regarding lymphocytes population, D2 expression was increased in patients with TLE-HS. In conclusion, there are alterations in the expression of serotonin and dopamine receptors on immune blood cells of patients with TLE-HS. Although the biological significance of these findings still needs to be further investigated, these changes may contribute to the understanding of TLE-HS pathophysiology.
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Affiliation(s)
| | - Maria Carolina Machado da Silva
- Laboratório de Neurofarmacologia, Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Ana Paula Gonçalves
- Programa de Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Gabriela Lopes Martins
- Laboratório de Neurofarmacologia, Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Antônio Lúcio Teixeira
- Instituto de Ensino e Pesquisa, Santa Casa BH, Belo Horizonte 30260-070, Brazil; Neuropsychiatry Program and Immuno-Psychiatry Lab, Department of Psychiatry and Behavioral Sciences, UT Health Houston, 1941 East Road, Houston, TX 77054, USA
| | - Antônio Carlos Pinheiro de Oliveira
- Laboratório de Neurofarmacologia, Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil; Programa de Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
| | - Helton José Reis
- Laboratório de Neurofarmacologia, Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil; Programa de Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
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Cognitive Outcomes with Sequential Escitalopram Monotherapy and Adjunctive Aripiprazole Treatment in Major Depressive Disorder: A Canadian Biomarker Integration Network in Depression (CAN-BIND-1) Report. CNS Drugs 2021; 35:291-304. [PMID: 33683582 DOI: 10.1007/s40263-021-00793-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/11/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Cognitive deficits are detectable in major depressive disorder (MDD). The cognitive impact of antidepressants remains unclear, as does the cognitive effects of aripiprazole in MDD, a commonly used adjunct with putative pro-cognitive properties. OBJECTIVES In this multi-centre, open-label study, cognitive changes associated with escitalopram monotherapy and adjunctive aripiprazole were examined. METHODS Acutely depressed participants with MDD (n = 209) received 8 weeks of escitalopram. Non-responders received an additional 8 weeks of adjunctive aripiprazole (ESC-ARI, n = 88), while responders (ESC-CONT, n = 82) continued escitalopram monotherapy (n = 39 lost to attrition). ESC-ARI, ESC-CONT and matched healthy participants (n = 112) completed the Central Nervous System Vital Signs cognitive battery at baseline, 8 and 16 weeks. Linear mixed models compared participants with MDD cognitive trajectories with healthy participants. RESULTS Participants with MDD displayed poorer baseline global cognition (assessed via the Neurocognitive Index), composite memory and psychomotor speed vs healthy participants. There were no statistically significant changes in participants with MDD receiving escitalopram monotherapy from baseline to week 8 in the neurocognitive index, reaction time, complex attention, cognitive flexibility, memory or psychomotor speed. Overall symptom severity changes were not associated with cognitive changes. The ESC-CONT group displayed no significant cognitive changes from weeks 8 to 16; reaction time worsened in the ESC-ARI group (p = 0.008) from weeks 8 to 16, independent of symptom change. CONCLUSIONS Escitalopram monotherapy in acute MDD did not result in significant cognitive improvements. We provide novel evidence that escitalopram continuation in responders does not adversely affect cognition, but adjunctive aripiprazole in escitalopram non-responders worsens reaction time. Treatments targeting cognitive dysfunction are needed in MDD. CLINICALTRIALS. GOV IDENTIFIER NCT01655706; 2 August, 2012.
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A Review on Potential Footprints of Ferulic Acid for Treatment of Neurological Disorders. Neurochem Res 2021; 46:1043-1057. [PMID: 33547615 DOI: 10.1007/s11064-021-03257-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/16/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023]
Abstract
Ferulic acid is being screened in preclinical settings to combat various neurological disorders. It is a naturally occurring dietary flavonoid commonly found in grains, fruits, and vegetables such as rice, wheat, oats, tomatoes, sweet corn etc., which exhibits protective effects against a number of neurological diseases such as epilepsy, depression, ischemia-reperfusion injury, Alzheimer's disease, and Parkinson's disease. Ferulic acid prevents and treats different neurological diseases pertaining to its potent anti-oxidative and anti-inflammatory effects, beside modulating unique neuro-signaling pathways. It stays in the bloodstream for longer periods than other dietary polyphenols and antioxidants and easily crosses blood brain barrier. The use of novel drug delivery systems such as solid-lipid nanoparticles (SLNs) or its salt forms (sodium ferulate, ethyl ferulate, and isopentyl ferulate) further enhance its bioavailability and cerebral penetration. Based on reported studies, ferulic acid appears to be a promising molecule for treatment of neurological disorders; however, more preclinical (in vitro and in vivo) mechanism-based studies should be planned and conceived followed by its testing in clinical settings.
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Paulus FW, Ohmann S, Möhler E, Plener P, Popow C. Emotional Dysregulation in Children and Adolescents With Psychiatric Disorders. A Narrative Review. Front Psychiatry 2021; 12:628252. [PMID: 34759846 PMCID: PMC8573252 DOI: 10.3389/fpsyt.2021.628252] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 08/27/2021] [Indexed: 12/14/2022] Open
Abstract
Background: Emotional dysregulation (ED) is a transdiagnostic construct defined as the inability to regulate the intensity and quality of emotions (such as, fear, anger, sadness), in order to generate an appropriate emotional response, to handle excitability, mood instability, and emotional overreactivity, and to come down to an emotional baseline. Because ED has not been defined as a clinical entity, and because ED plays a major role in child and adolescent psychopathology, we decided to summarize current knowledge on this topic based on a narrative review of the current literature. Methods: This narrative review is based on a literature search of peer-reviewed journals. We searched the databases ERIC, PsycARTICLES, PsycINFO and PSYNDEX on June 2, 2020 for peer reviewed articles published between 2000 and 2020 in English language for the preschool, school, and adolescent age (2-17 years) using the following search terms: "emotional dysregulation" OR "affect dysregulation," retrieving 943 articles. Results: The results of the literature search are presented in the following sections: the relationship between ED and psychiatric disorders (ADHD, Mood Disorders, Psychological Trauma, Posttraumatic Stress Disorder, Non-suicidal Self-Injury, Eating Disorders, Oppositional Defiant Disorder, Conduct Disorder, Disruptive Disruptive Mood Dysregulation Disorder, Personality Disorders, Substance Use Disorder, Developmental Disorders, Autism Spectrum Disorder, Psychosis and Schizophrenia, and Gaming Disorder), prevention, and treatment of ED. Conclusion: Basic conditions of ED are genetic disposition, the experience of trauma, especially sexual or physical abuse, emotional neglect in childhood or adolescence, and personal stress. ED is a complex construct and a comprehensive concept, aggravating a number of various mental disorders. Differential treatment is mandatory for individual and social functioning.
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Affiliation(s)
- Frank W Paulus
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Saarland University Medical Center, Homburg, Germany
| | - Susanne Ohmann
- Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria.,Austrian Society of Cognitive Behavioral Therapy (OeGVT), Vienna, Austria
| | - Eva Möhler
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Saarland University Medical Center, Homburg, Germany
| | - Paul Plener
- Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria
| | - Christian Popow
- Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria.,Austrian Society of Cognitive Behavioral Therapy (OeGVT), Vienna, Austria.,Department of Child and Adolescent Psychiatry and Psychotherapy, Regional Psychiatric Hospital, Mauer, Austria
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Moreira LKDS, de Brito AF, da Silva DM, Siqueira L, da Silva DPB, Cardoso CS, Florentino IF, de Carvalho PMG, Ghedini PC, Menegatti R, Costa EA. Potential antidepressant-like effect of piperazine derivative LQFM212 in mice: Role of monoaminergic pathway and brain-derived neurotrophic factor. Behav Brain Res 2020; 401:113066. [PMID: 33333109 DOI: 10.1016/j.bbr.2020.113066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/20/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023]
Abstract
Major depression disorder (MDD) is one of the most widespread and debilitating psychiatric diseases and may be associated with other mental disorders such as anxiety. Despite advances in neurobiology studies, currently no established mechanism can explain all facets of MDD, and available drugs often show therapeutic delay for clinical effectiveness and response rates in patients are around 50 %. Previous activities of piperazine derivatives on CNS are indicators of its therapeutic potential for treating mental disorders. In this regard, we have previously shown that the piperazine derivative 2,6-di-tert-butyl-4-((4-(2-hydroxyethyl)piperazin-1-yl)methyl)phenol (LQFM212) has anxiolytic-like activity which involves serotonergic pathway, nicotinic receptors and BZD-site of GABAA receptor, without cognitive impairments. Herein, was evaluated the potential antidepressant-like effect of LQFM212 on forced swimming test (FST) after a single dose of 54 μmol/kg and after repeated treatment for 15 days in mice. Pretreatment with WAY-100635, PCPA, prazosin, SCH-23390, sulpiride or AMPT reversed the antidepressant-like effect on FST, suggesting that monoaminergic pathway contributes for effects of LQFM212. Furthermore, repeated treatment with LQFM212 increased hippocampal BDNF levels dosed by ELISA kit. In assessment of possible adverse effects, repeated treatment with LQFM212 did not alter the body weight of the animals, glutathione levels in the liver, and serum levels of AST, ALT, urea, and creatinine. Taken together, the results showed that LQFM212 has an antidepressant-like effect that involves monoaminergic pathway and increased BDNF levels. This compound represents promising candidate for prototype of psychoactive drugs for treatment of anxiety and depression disorders since these pathological conditions may exist in comorbidities.
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Affiliation(s)
- Lorrane Kelle da Silva Moreira
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Adriane Ferreira de Brito
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Dayane Moreira da Silva
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Lorrayne Siqueira
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - Daiany Priscilla Bueno da Silva
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Carina Sofia Cardoso
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Iziara Ferreira Florentino
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | | | - Paulo César Ghedini
- Biochemical and Molecular Pharmacology Laboratory, Institute of Biological Sciences, Federal University of Goias, Campus Samambaia, Goiânia, GO, Brazil
| | - Ricardo Menegatti
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - Elson Alves Costa
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil.
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Kumar PNS, Sharma A, Andrade C. A pilot, open-label investigation of the efficacy of glucosamine for the treatment of major depression. Asian J Psychiatr 2020; 52:102113. [PMID: 32388446 DOI: 10.1016/j.ajp.2020.102113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 10/24/2022]
Abstract
INTRODUCTION Glucosamine hydrochloride normalizes GABA antagonist- and social defeat-induced behavioral alterations and upregulation of immune response genes in Drosophila and mice, respectively, increases hippocampal neurogenesis in mice, and demonstrates efficacy in murine behavioral models of depression. This suggests that it may have antidepressant potential in humans. METHODS In an open label, 4-week pilot study, patients (n = 20) diagnosed with mild to moderate, nonpsychotic (unipolar) major depressive episode (DSM-IV) were treated with glucosamine in monotherapy at 1 g/day for 1 week and 2 g/day for 3 more weeks. Patients were assessed at baseline, and at 2- and 4-week follow up using the 21-item Hamilton Rating Scale for Depression (HAM-D), the Clinical Global Impression-Improvement (CGI-I) scale, and other measures. An intent-to-treat analysis with last-observation-carried-forward was conducted on the whole sample. RESULTS Three patients dropped out before the first follow up; the rest completed the study. HAM-D scores dropped by a third in the sample as a whole; however, only 4 patients (20 %) were considered HAM-D responders (improvement by >50 %) and only 2 patients (10 %) were CGI-I responders (endpoint score of 1 or 2). There were only 2 (10 %) HAM-D remitters (endpoint score <8). There were no serious adverse events and the treatment was well tolerated. CONCLUSIONS Encouraging preclinical results notwithstanding, glucosamine monotherapy does not appear to be effective against major depression. A more authoritative conclusion would require a randomized controlled trial.
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Affiliation(s)
- P N Suresh Kumar
- IQRAA International Hospital and Research Centre, Kozhikode, Kerala, 673 020, India.
| | - Abhay Sharma
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, 110025, India.
| | - Chittaranjan Andrade
- Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences, Bangalore, 560 029, India.
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Silverstein SM, Demmin DL, Schallek JB, Fradkin SI. Measures of Retinal Structure and Function as Biomarkers in Neurology and Psychiatry. Biomark Neuropsychiatry 2020. [DOI: 10.1016/j.bionps.2020.100018] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Kopeikina E, Dukhinova M, Yung AWY, Veremeyko T, Kuznetsova IS, Lau TYB, Levchuk K, Ponomarev ED. Platelets promote epileptic seizures by modulating brain serotonin level, enhancing neuronal electric activity, and contributing to neuroinflammation and oxidative stress. Prog Neurobiol 2020; 188:101783. [PMID: 32142857 DOI: 10.1016/j.pneurobio.2020.101783] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 02/04/2020] [Accepted: 02/24/2020] [Indexed: 11/28/2022]
Abstract
The drugs currently available for treating epilepsy are only partially effective in managing this condition. Therefore, it is crucial to investigate new pathways that induce and promote epilepsy development. Previously, we found that platelets interact with neuronal glycolipids and actively secrete pro-inflammatory mediators during central nervous system (CNS) pathological conditions such as neuroinflammation and traumatic brain injury (TBI). These factors increase the permeability of the blood-brain barrier (BBB), which may create a predisposition to epileptic seizures. In this study, we demonstrated that platelets substantially enhanced epileptic seizures in a mouse model of pentylenetetrazole (PTZ) -induced seizures. We found that platelets actively secreted serotonin, contributed to increased BBB permeability, and were present in the CNS parenchyma during epileptic seizures. Furthermore, platelets directly stimulated neuronal electric activity and induced the expression of specific genes related to early neuronal response, neuroinflammation, and oxidative phosphorylation, leading to oxidative stress in neurons. The intracranial injection of physiological numbers of platelets that mimicked TBI-associated bleeding was sufficient to induce severe seizures, which resembled conventional PTZ-induced epileptic activity. These findings highlight a conceptually new role of platelets in the development of epileptic seizures, and indicate a potential new therapeutic approach targeting platelets to prevent and treat epilepsy.
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Affiliation(s)
- Ekaterina Kopeikina
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Marina Dukhinova
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Amanda W Y Yung
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Tatyana Veremeyko
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Inna S Kuznetsova
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Thomas Y B Lau
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Kseniia Levchuk
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Eugene D Ponomarev
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong.
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Karim S, Al-Harbi HA, Harthi SA, Suliman M, Saadah O, Esmat A, Khan L. Antidepressant-like effects of barley (Hordeum vulgare) in a mouse model of reserpine-induced depression. Pharmacognosy Res 2020. [DOI: 10.4103/pr.pr_105_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Quantitative Proteomic Analysis Reveals Synaptic Dysfunction in the Amygdala of Rats Susceptible to Chronic Mild Stress. Neuroscience 2018; 376:24-39. [DOI: 10.1016/j.neuroscience.2018.02.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 01/17/2018] [Accepted: 02/06/2018] [Indexed: 02/07/2023]
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Prado CE, Watt S, Crowe SF. A meta-analysis of the effects of antidepressants on cognitive functioning in depressed and non-depressed samples. Neuropsychol Rev 2018; 28:32-72. [DOI: 10.1007/s11065-018-9369-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 02/01/2018] [Indexed: 12/11/2022]
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Liu B, Liu J, Wang M, Zhang Y, Li L. From Serotonin to Neuroplasticity: Evolvement of Theories for Major Depressive Disorder. Front Cell Neurosci 2017; 11:305. [PMID: 29033793 PMCID: PMC5624993 DOI: 10.3389/fncel.2017.00305] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Accepted: 09/13/2017] [Indexed: 12/28/2022] Open
Abstract
The serotonin (5-HT) hypothesis of depression has played an important role in the history of psychiatry, yet it has also been criticized for the delayed onset and inadequate efficacy of selective serotonin reuptake inhibitors (SSRIs). With evolvement of neuroscience, the neuroplasticity hypothesis of major depressive disorder (MDD) has been proposed and may provide a better framework for clarification the pathogenesis of MDD and antidepressant efficacy. In this article, we first summarized the evidence challenging the monoamine hypothesis and proposed that the antidepressant efficacy of SSRIs is not derived from elevated monoamine (5-HT, noradrenaline (NE), or dopamine (DA)) concentration or monoamine neurotransmission. Second, we reviewed the role of stress in the pathogenesis of MDD and gave a brief introduction to the neuroplasticity hypothesis of MDD. Third, we explored the possible mechanisms underlying the antidepressant efficacy of typical antidepressants in the context of neuroplasticity theory. Fourth, we tried to provide an explanatory framework for the significant difference in onset of efficacy between typical antidepressants and ketamine. Finally, we provided a brief summarization about this review article and some perspectives for future studies.
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Affiliation(s)
- Bangshan Liu
- Key Laboratory of Psychiatry and Mental Health of Hunan Province, Mental Health Institute, The Second Xiangya Hospital of Central South University, National Clinical Research Center for Mental Disorder, National Technology Institute of Psychiatry, Changsha, China
| | - Jin Liu
- Key Laboratory of Psychiatry and Mental Health of Hunan Province, Mental Health Institute, The Second Xiangya Hospital of Central South University, National Clinical Research Center for Mental Disorder, National Technology Institute of Psychiatry, Changsha, China
| | - Mi Wang
- Key Laboratory of Psychiatry and Mental Health of Hunan Province, Mental Health Institute, The Second Xiangya Hospital of Central South University, National Clinical Research Center for Mental Disorder, National Technology Institute of Psychiatry, Changsha, China
| | - Yan Zhang
- Key Laboratory of Psychiatry and Mental Health of Hunan Province, Mental Health Institute, The Second Xiangya Hospital of Central South University, National Clinical Research Center for Mental Disorder, National Technology Institute of Psychiatry, Changsha, China
| | - Lingjiang Li
- Key Laboratory of Psychiatry and Mental Health of Hunan Province, Mental Health Institute, The Second Xiangya Hospital of Central South University, National Clinical Research Center for Mental Disorder, National Technology Institute of Psychiatry, Changsha, China
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Chronic vortioxetine treatment in rodents modulates gene expression of neurodevelopmental and plasticity markers. Eur Neuropsychopharmacol 2017; 27:192-203. [PMID: 28108062 DOI: 10.1016/j.euroneuro.2016.11.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 10/10/2016] [Accepted: 11/21/2016] [Indexed: 11/20/2022]
Abstract
The multimodal antidepressant vortioxetine displays an antidepressant profile distinct from those of conventional selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) and possesses cognitive-enhancing properties in preclinical and clinical studies. Recent studies have begun to investigate molecular mechanisms that may differentiate vortioxetine from other antidepressants. Acute studies in adult rats and chronic studies in a middle-aged mouse model reveal upregulation of several markers that play a central role in synaptic plasticity. However, the effect of chronic vortioxetine treatment on expression of neuroplasticity and neurodevelopmental biomarkers in naïve rats has not been evaluated. In the present study, we demonstrate that vortioxetine at a range of doses regulates expression of genes associated with plasticity in the frontal cortex, hippocampus, region encompassing the amygdala, as well as in blood, and displays similar effects relative to the SSRI fluoxetine in adult naïve rats. These genes encode immediate early genes (IEGs), translational regulators, and the neurodevelopmental marker Sema4g. Similar findings detected in brain regions and in blood provide a potential translational impact, and vortioxetine appears to consistently regulate signaling in these networks of neuroplasticity and developmental markers.
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Pinto EF, Andrade C. Interferon-Related Depression: A Primer on Mechanisms, Treatment, and Prevention of a Common Clinical Problem. Curr Neuropharmacol 2017; 14:743-8. [PMID: 26733280 PMCID: PMC5050402 DOI: 10.2174/1570159x14666160106155129] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 11/27/2015] [Accepted: 11/28/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Depression is among the commonest of psychiatric disorders, and inflammatory mechanisms have been suggested to play a role in its pathophysiology. Interferons are a superfamily of proinflammatory cytokines that play a role in host defence mechanisms. Interferons are used in the treatment of a variety of autoimmune (e.g. multiple sclerosis), viral (e.g. chronic hepatitis B and C), and malignant (e.g. malignant melanoma, hairy cell leukemia) disorders; depression, however, is a notable and clinically troublesome adverse effect. OBJECTIVE This article seeks to present a simple explanation and update for the reader about what interferons are, how interferons are classified, the clinical conditions in which interferons are used, the occurrence of depression as a clinical adverse effect of interferon therapy, possible mechanisms that explain interferon-related depression, the treatment of interferon-related depression, and the prevention of interferon-related depression. METHODS A qualitative literature review is presented. RESULTS AND CONCLUSIONS Irrespective of the indication for IFN therapy, IFNs are associated with a 30- 70% risk of treatment-emergent depression. This risk could be due to the IFN, or to an interaction between the IFN and the indication for which it was prescribed. Various neurohormonal, neurochemical, neurohistological, and other mechanisms have been put forth to explain IFN-related depression. Prophylactic treatment with antidepressants reduces the risk of IFN-related depression; antidepressants also effectively treat the condition. Recent alternatives to IFNs have shown to decrease the risk of treatment-emergent depression.
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Affiliation(s)
| | - Chittaranjan Andrade
- Department of Psychopharmacology, National Institute of Mental Health and Neurosciences, Bangalore 560029, India
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Naveen GH, Varambally S, Thirthalli J, Rao M, Christopher R, Gangadhar BN. Serum cortisol and BDNF in patients with major depression-effect of yoga. Int Rev Psychiatry 2016; 28:273-8. [PMID: 27174729 DOI: 10.1080/09540261.2016.1175419] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Depression is associated with low serum Brain Derived Neurotrophic Factor (BDNF) and elevated levels of serum cortisol. Yoga practices have been associated with antidepressant effects, increase in serum BDNF, and reduction in serum cortisol. This study examined the association between serum BDNF and cortisol levels in drug-naïve patients with depression treated with antidepressants, yoga therapy, and both. Fifty-four drug-naïve consenting adult outpatients with Major Depression (32 males) received antidepressants only (n = 16), yoga therapy only (n = 19), or yoga with antidepressants (n = 19). Serum BDNF andcortisol levels were obtained before and after 3 months using a sandwich ELISA method. One-way ANOVA, Chi-square test, and Pearson's correlation tests were used for analysis. The groups were comparable at baseline on most parameters. Significant improvement in depression scores and serum BDNF levels, and reduction in serum cortisol in the yoga groups, have been described in previous reports. A significant negative correlation was observed between change in BDNF (pre-post) and cortisol (pre-post) levels in the yoga-only group (r = -0.59, p = 0.008). In conclusion, yoga may facilitate neuroplasticity through stress reduction in depressed patients. Further studies are needed to confirm the findings and delineate the pathways for these effects.
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Affiliation(s)
- G H Naveen
- a Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education , Chennai , India
| | - Shivarama Varambally
- b NIMHANS Integrated Centre for Yoga, Department of Psychiatry , National Institute of Mental Health and Neurosciences , Hosur Road , Bangalore , 560029 India
| | - Jagadisha Thirthalli
- c Department of Psychiatry , National Institute of Mental Health and Neurosciences , Bangalore , India
| | - Mukund Rao
- d North West Area Mental Health , Level 1, 130 Bell Street, Coburg , Melbourne , Victoria 3058 , Australia
| | - Rita Christopher
- e Department of Neurochemistry , National Institute of Mental Health and Neurosciences , Bangalore , India
| | - B N Gangadhar
- b NIMHANS Integrated Centre for Yoga, Department of Psychiatry , National Institute of Mental Health and Neurosciences , Hosur Road , Bangalore , 560029 India
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Andrade C, McCall WV, Youssef NA. Electroconvulsive therapy for post-traumatic stress disorder: efficacy, mechanisms and a hypothesis for new directions. Expert Rev Neurother 2016; 16:749-53. [DOI: 10.1080/14737175.2016.1179114] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Chittaranjan Andrade
- Department of Psychopharmacology, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - W. Vaughn McCall
- Department of Psychiatry and Health Behavior, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Nagy A. Youssef
- Department of Psychiatry and Health Behavior, Medical College of Georgia at Augusta University, Augusta, GA, USA
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Ng KL, Gibson EM, Hubbard R, Yang J, Caffo B, O'Brien RJ, Krakauer JW, Zeiler SR. Fluoxetine Maintains a State of Heightened Responsiveness to Motor Training Early After Stroke in a Mouse Model. Stroke 2015; 46:2951-60. [PMID: 26294676 PMCID: PMC4934654 DOI: 10.1161/strokeaha.115.010471] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 07/16/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND PURPOSE Data from both humans and animal models suggest that most recovery from motor impairment after stroke occurs in a sensitive period that lasts only weeks and is mediated, in part, by an increased responsiveness to training. Here, we used a mouse model of focal cortical stroke to test 2 hypotheses. First, we investigated whether responsiveness to training decreases over time after stroke. Second, we tested whether fluoxetine, which can influence synaptic plasticity and stroke recovery, can prolong the period over which large training-related gains can be elicited after stroke. METHODS Mice were trained to perform a skilled prehension task to an asymptotic level of performance after which they underwent stroke induction in the caudal forelimb area. The mice were then retrained after a 1- or 7-day delay with and without fluoxetine. RESULTS Recovery of prehension after a caudal forelimb area stroke was complete if training was initiated 1 day after stroke but incomplete if it was delayed by 7 days. In contrast, if fluoxetine was administered at 24 hours after stroke, then complete recovery of prehension was observed even with the 7-day training delay. Fluoxetine seemed to mediate its beneficial effect by reducing inhibitory interneuron expression in intact premotor cortex rather than through effects on infarct volume or cell death. CONCLUSIONS There is a gradient of diminishing responsiveness to motor training over the first week after stroke. Fluoxetine can overcome this gradient and maintain maximal levels of responsiveness to training even 7 days after stroke.
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Affiliation(s)
- Kwan L Ng
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Ellen M Gibson
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Robert Hubbard
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Juemin Yang
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Brian Caffo
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Richard J O'Brien
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - John W Krakauer
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.)
| | - Steven R Zeiler
- From the Departments of Neurology (K.L.N., E.M.G., R.H., J.W.K., S.R.Z.) and Neuroscience (J.W.K.), Johns Hopkins University, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.C.); and Department of Neurology, Duke University, Durham, NC (R.J.O.).
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Prakash J, Srivastava K, Manandhar P, Saha A. Evaluation of nonmemory cognitive parameters in psychiatric patients' pre- and post-electroconvulsive therapy: An observational study. Ind Psychiatry J 2015; 24:206-9. [PMID: 27212831 PMCID: PMC4866354 DOI: 10.4103/0972-6748.181723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
INTRODUCTION Possibility of cognitive side effects has made electroconvulsive therapy (ECT) questionable. Variable deficits have been debated in memory cognition. Pattern of changes in nonmemory cognition pre- and post-ECT is not clear. METHODOLOGY Forty patients undergoing ECT were studied on nonmemory cognitive parameters before ECT, after a course of ECT, and after 4 weeks of last. ECT. RESULTS Nonmemory cognition improved during the course of ECT and over 4 weeks of ECT. CONCLUSIONS ECT does not affect the nonmemory cognition adversely.
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Affiliation(s)
- Jyoti Prakash
- Department of Psychiatry, Command Hospital Eastern Command, Kolkata, West Bengal, India
| | - Kalpana Srivastava
- Department of Psychiatry, Armed Forces Medical College, Pune, Maharashtra, India
| | - Pradeep Manandhar
- Department of Psychiatry, Armed Forces Medical College, Pune, Maharashtra, India
| | - Amitabh Saha
- Department of Psychiatry, Armed Forces Medical College, Pune, Maharashtra, India
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