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Anderson C, Potts L. The Cultural and Religious Complexities of Amish-Focused Mental Health Conditions Research: Insights from an Exhaustive Narrative Review and Case Study of Counseling Controversies. Ment Health Relig Cult 2024; 26:908-924. [PMID: 38698810 PMCID: PMC11065431 DOI: 10.1080/13674676.2023.2216146] [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: 03/28/2022] [Accepted: 05/14/2023] [Indexed: 05/05/2024]
Abstract
Mental health conditions research often relies on reductionist cultural assumptions about the population studied and instruments validated from majority populations. In exhaustively reviewing the limited body of Amish mental health conditions research, we find that studies are well-executed by methodological protocols but that findings are inconsistent or limited in generalizability, instrument validity remains contested, and study investigation into Amish cultural and religious dynamics is limited. A case study from a sizeable Amish community in Ohio illustrates how various ideologies-notably old Amish religious theology, the scientific-psychological, and the Evangelical Protestant-have generated population-internal controversies among the Amish over defining and treating mental health conditions, suggesting that mental health conditions research and diagnosis of ethnic religious adherents should better account for internal cultural-religious dynamics. In order to make some assertions about how Amish culture and religion impacts mental health conditions, future research should include pre-study investigations into the targeted population's cultural and religious dynamics, consist of more nuanced case reports from therapists and psychiatrists, and include replication studies at different times and places, with deliberate attention to contextual factors.
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Affiliation(s)
- Cory Anderson
- Population Research Institute, The Pennsylvania State University, USA
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de Leeuw M, Verhoeve SI, van der Wee NJA, van Hemert AM, Vreugdenhil E, Coomans CP. The role of the circadian system in the etiology of depression. Neurosci Biobehav Rev 2023; 153:105383. [PMID: 37678570 DOI: 10.1016/j.neubiorev.2023.105383] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/19/2023] [Accepted: 09/02/2023] [Indexed: 09/09/2023]
Abstract
Circadian rhythms have evolved in almost all organisms enabling them to anticipate alternating changes in the environment. As a consequence, the circadian clock controls a broad range of bodily functions including appetite, sleep, activity and cortisol levels. The circadian clock synchronizes itself to the external world mainly by environmental light cues and can be disturbed by a variety of factors, including shift-work, jet-lag, stress, ageing and artificial light at night. Interestingly, mood has also been shown to follow a diurnal rhythm. Moreover, circadian disruption has been associated with various mood disorders and patients suffering from depression have irregular biological rhythms in sleep, appetite, activity and cortisol levels suggesting that circadian rhythmicity is crucially involved in the etiology and pathophysiology of depression. The aim of the present review is to give an overview and discuss recent findings in both humans and rodents linking a disturbed circadian rhythm to depression. Understanding the relation between a disturbed circadian rhythm and the etiology of depression may lead to novel therapeutic and preventative strategies.
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Affiliation(s)
- Max de Leeuw
- Department of Psychiatry, Leiden University Medical Center, Postal Zone B1-P, P.O. Box 9600, Leiden 2300 RC, the Netherlands; Mental Health Care Rivierduinen, Bipolar Disorder Outpatient Clinic, PO Box 405, Leiden 2300 AK, the Netherlands.
| | - Sanne I Verhoeve
- Laboratory for Neurophysiology, Department of Cell and Chemical Biology, Leiden University Medical Center, P.O. Box 9600, Leiden 2300 RC, the Netherlands
| | - Nic J A van der Wee
- Department of Psychiatry, Leiden University Medical Center, Postal Zone B1-P, P.O. Box 9600, Leiden 2300 RC, the Netherlands
| | - Albert M van Hemert
- Department of Psychiatry, Leiden University Medical Center, Postal Zone B1-P, P.O. Box 9600, Leiden 2300 RC, the Netherlands
| | - Erno Vreugdenhil
- Laboratory for Neurophysiology, Department of Cell and Chemical Biology, Leiden University Medical Center, P.O. Box 9600, Leiden 2300 RC, the Netherlands
| | - Claudia P Coomans
- Laboratory for Neurophysiology, Department of Cell and Chemical Biology, Leiden University Medical Center, P.O. Box 9600, Leiden 2300 RC, the Netherlands
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Alshehri T, Mook- Kanamori DO, Willems van Dijk K, Dinga R, Penninx BWJH, Rosendaal FR, le Cessie S, Milaneschi Y. Metabolomics dissection of depression heterogeneity and related cardiometabolic risk. Psychol Med 2023; 53:248-257. [PMID: 34078486 PMCID: PMC9874986 DOI: 10.1017/s0033291721001471] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 03/09/2021] [Accepted: 04/06/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND A recent hypothesis postulates the existence of an 'immune-metabolic depression' (IMD) dimension characterized by metabolic dysregulations. Combining data on metabolomics and depressive symptoms, we aimed to identify depressions associated with an increased risk of adverse metabolic alterations. METHOD Clustering data were from 1094 individuals with major depressive disorder in the last 6 months and measures of 149 metabolites from a 1H-NMR platform and 30 depressive symptoms (IDS-SR30). Canonical correlation analyses (CCA) were used to identify main independent metabolite-symptom axes of variance. Then, for the replication, we examined the association of the identified dimensions with metabolites from the same platform and cardiometabolic diseases in an independent population-based cohort (n = 6572). RESULTS CCA identified an overall depression dimension and a dimension resembling IMD, in which symptoms such as sleeping too much, increased appetite, and low energy level had higher relative loading. In the independent sample, the overall depression dimension was associated with lower cardiometabolic risk, such as (i.e. per s.d.) HOMA-1B -0.06 (95% CI -0.09 - -0.04), and visceral adipose tissue -0.10 cm2 (95% CI -0.14 - -0.07). In contrast, the IMD dimension was associated with well-known cardiometabolic diseases such as higher visceral adipose tissue 0.08 cm2 (95% CI 0.04-0.12), HOMA-1B 0.06 (95% CI 0.04-0.09), and lower HDL-cholesterol levels -0.03 mmol/L (95% CI -0.05 - -0.01). CONCLUSIONS Combining metabolomics and clinical symptoms we identified a replicable depression dimension associated with adverse metabolic alterations, in line with the IMD hypothesis. Patients with IMD may be at higher cardiometabolic risk and may benefit from specific treatment targeting underlying metabolic dysregulations.
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Affiliation(s)
- Tahani Alshehri
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Dennis O. Mook- Kanamori
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Ko Willems van Dijk
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
- Department of Internal Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands
| | - Richard Dinga
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
| | - Brenda W. J. H. Penninx
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit, The Netherlands
| | - Frits R. Rosendaal
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Saskia le Cessie
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Yuri Milaneschi
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit, The Netherlands
- GGZ inGeest, Research & Innovation, Amsterdam, The Netherlands
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Höller Y, Urbschat MM, Kristófersson GK, Ólafsson RP. Predictability of Seasonal Mood Fluctuations Based on Self-Report Questionnaires and EEG Biomarkers in a Non-clinical Sample. Front Psychiatry 2022; 13:870079. [PMID: 35463521 PMCID: PMC9030950 DOI: 10.3389/fpsyt.2022.870079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
Induced by decreasing light, people affected by seasonal mood fluctuations may suffer from low energy, have low interest in activities, experience changes in weight, insomnia, difficulties in concentration, depression, and suicidal thoughts. Few studies have been conducted in search for biological predictors of seasonal mood fluctuations in the brain, such as EEG oscillations. A sample of 64 participants was examined with questionnaires and electroencephalography in summer. In winter, a follow-up survey was recorded and participants were grouped into those with at least mild (N = 18) and at least moderate (N = 11) mood decline and those without self-reported depressive symptoms both in summer and in winter (N = 46). A support vector machine was trained to predict mood decline by either EEG biomarkers alone, questionnaire data from baseline alone, or a combination of the two. Leave-one-out-cross validation with lasso regularization was used with logistic regression to fit a model. The accuracy for classification for at least mild/moderate mood decline was 77/82% for questionnaire data, 72/82% for EEG alone, and 81/86% for EEG combined with questionnaire data. Self-report data was more conclusive than EEG biomarkers recorded in summer for prediction of worsening of depressive symptoms in winter but it is advantageous to combine EEG with psychological assessment to boost predictive performance.
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Affiliation(s)
- Yvonne Höller
- Faculty of Psychology, University of Akureyri, Akureyri, Iceland
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Anderson C, Potts L. Research Trends in Amish Population Health, a Growing Literature about a Growing Rural Population. JOURNAL OF RURAL SOCIAL SCIENCES 2021; 36:6. [PMID: 34367718 PMCID: PMC8341032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The Amish are an endogamous rural population experiencing rapid growth; consequently, they have attracted the attention of population health researchers and service providers. With approximately one quarter of all Amish studies publications now devoted to population health (n=246), the time is ripe to review research trends. Using bibliometric measures, we map the genealogy, influence, and configuration of Amish health publications. Amish population health research has (1) a health culture-focused core with clusters representing social science and health practice, (2) peripheral clusters addressing health conditions-mental, physical, and injury/safety-and (3) several clusters straddling both. We identify fruitful interdisciplinary studies and recommend researchers investigating health culture and conditions seek ways to integrate their research agendas. This article represents a pivot-point for Amish population health research, for it provides a first-ever bibliometric mapping, allowing researchers to more easily locate their work within the literature and identify opportunities for interdisciplinary collaborations.
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Wang XQ, Tang YH, Zeng GR, Wu LF, Zhou YJ, Cheng ZN, Jiang DJ. Carnosic acid alleviates depression-like behaviors on chronic mild stressed mice via PPAR-γ-dependent regulation of ADPN/FGF9 pathway. Psychopharmacology (Berl) 2021; 238:501-516. [PMID: 33161473 DOI: 10.1007/s00213-020-05699-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 10/30/2020] [Indexed: 01/12/2023]
Abstract
RATIONALE The pathway of adiponectin (ADPN)/fibroblast growth factor 9 (FGF9) was recently thought as a key role in the development of depression. ADPN is crucially regulated by peroxisome proliferator-activated receptor-gamma (PPAR-γ). Natural material carnosic acid (CA) has been applied for therapeutics of mental disorders. OBJECTIVES To evaluate the antidepressive effect of CA in stress-treated mice and define whether its effects is involved in the regulation of ADPN/FGF9 pathway. METHODS In vivo study, the levels of ADPN and FGF9 in both serum and hippocampus tissues, the expressions of ADPN receptor 2 (AdipoR2) in hippocampus and PPAR-γ in abdominal adipose, as well as the pathological changes of hippocampus were determined in 28-day period of chronic unpredictable mild stress (CUMS)-induced depression model of male ICR (Institute of Cancer Research) mice or adipo-/- mice. In vitro study, the level of ADPN and the mRNA expressions of both ADPN and PPAR-γ were determined in mouse 3T3-L1 preadipocytes. RESULTS In vivo study, treatment with CA (50 or 100 mg/kg per day) for 21 days markedly suppressed depressive-like behaviors, the elevating levels of FGF9 and decreasing levels of ADPN in both serum and hippocampus tissues, the downregulating protein and mRNA expressions of AdipoR2 in hippocampus and PPAR-γ in abdominal adipose, as well as the pathological injury of hippocampus induced by CUMS in male ICR mice. The antidepressive effects of CA were markedly attenuated in male CUMS-treated adipo-/- mice. In vitro study, incubation with CA (3-30 μmol/L) for 24 h could concentration-dependently upregulate the mRNA expressions of both PPAR-γ and ADPN as well as increase the level of ADPN. The experiments using PPAR-γ-specific inhibitor GW9662 and transient transfection with mutated PPAR-γ-binding site promotor constructs showed that the activation of PPAR-γ mediated CA-induced ADPN expression in adipocytes. CONCLUSIONS CA could significantly improve stress-induced depressive disorder, which may be related to regulating the dysfunction of ADPN-FGF9 pathway via activating PPAR-γ in adipocytes.
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Affiliation(s)
- Xiao-Qing Wang
- XiangYa Pharmacy School, Central South University, Changsha, 410083, China.,Hunan Center for Safety Evaluation and Research of Drugs & Hunan Key Laboratory for Pharmacodynamics and Safety Evaluation of New Drugs, Changsha, 410013, China
| | - Ya-Hui Tang
- Hunan Center for Safety Evaluation and Research of Drugs & Hunan Key Laboratory for Pharmacodynamics and Safety Evaluation of New Drugs, Changsha, 410013, China
| | - Gui-Rong Zeng
- Hunan Center for Safety Evaluation and Research of Drugs & Hunan Key Laboratory for Pharmacodynamics and Safety Evaluation of New Drugs, Changsha, 410013, China
| | - Li-Feng Wu
- Hunan Center for Safety Evaluation and Research of Drugs & Hunan Key Laboratory for Pharmacodynamics and Safety Evaluation of New Drugs, Changsha, 410013, China
| | - Ying-Jun Zhou
- XiangYa Pharmacy School, Central South University, Changsha, 410083, China
| | - Ze-Neng Cheng
- XiangYa Pharmacy School, Central South University, Changsha, 410083, China.
| | - De-Jian Jiang
- Hunan Center for Safety Evaluation and Research of Drugs & Hunan Key Laboratory for Pharmacodynamics and Safety Evaluation of New Drugs, Changsha, 410013, China.
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