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Boström, A. E. D., Andersson, P., Wachtel, L. E., Jarbin, H., Jokinen, J. & Lundberg, J. (2025). Association between autism diagnosis rates and adolescent depression: a population-based study in sweden. Psychiatry Research, 344, Article ID 116341.
Open this publication in new window or tab >>Association between autism diagnosis rates and adolescent depression: a population-based study in sweden
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2025 (English)In: Psychiatry Research, ISSN 0165-1781, E-ISSN 1872-7123, Vol. 344, article id 116341Article in journal (Refereed) Published
Abstract [en]

Introduction: The association between increasing diagnosis rates of autism-related disorders (ASD-R) in Swedish regions and diagnosis rates of major depressive disorders (MDD) in adolescents remains unexplored.

Methods: Following STROBE guidelines, this pre-registered (https://osf.io/duvq7) observational study, utilizing registry data from 2008 to 2022 across the 21 Swedish regions, employed a generalized linear mixed model (GLMM) to analyze the association between ASD-R (ICD-10: F84) and MDD diagnosis rates (ICD-10: F32) in 15–19 year olds, with registered primary diagnoses considered. The GLMM included psychiatric care affiliation rates (PCAR) as fixed effects and variations across years and regions as random intercepts. The model incorporated bipolar disorder (BD) rates and the male-to-female ratio of ASD-R diagnoses when justified. Separate models were created for combined sexes, males, and females.

Results: A significant inverse relationship was observed between ASD-R and MDD diagnosis rates across all sex groups. In the combined-sex model, the mean ratio was 0.40 (P = 0.003), while the sex-specific models showed ratios of 0.28 for males (P < 0.001) and 0.37 for females (P = 0.017). All ratios were significantly below 1, indicating a negative association between ASD-R and MDD diagnosis rates.

Conclusions: The study's observational nature limits causal inferences, but findings reveal that higher primary diagnosis rates of ASD-R correlate with lower primary diagnosis rates of MDD in adolescents of both sexes, although more pronounced in males. These results highlight the importance of further research on the relationship between ASD-R and MDD diagnosis rates, emphasizing the need for prospective, longitudinal, and individualized register data that include both primary and co-diagnoses.

Place, publisher, year, edition, pages
Elsevier, 2025
Keywords
Adolescents, Autism, Diagnostics, Differential diagnosis, Major depressive disorder
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-234034 (URN)10.1016/j.psychres.2024.116341 (DOI)001421669800001 ()39742678 (PubMedID)2-s2.0-85213567573 (Scopus ID)
Funder
Swedish Research Council, 2020-01183
Available from: 2025-01-13 Created: 2025-01-13 Last updated: 2025-04-24Bibliographically approved
Vestin, M., Wallin, L., Naesström, M., Blomqvist, I., Svedin, C. G., Beaumont, E., . . . Dennhag, I. (2025). Internet-based group compassion-focused therapy for Swedish young people with stress, anxiety and depression: a pilot waitlist randomized controlled trial. Frontiers in Psychology, 16, Article ID 1547046.
Open this publication in new window or tab >>Internet-based group compassion-focused therapy for Swedish young people with stress, anxiety and depression: a pilot waitlist randomized controlled trial
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2025 (English)In: Frontiers in Psychology, E-ISSN 1664-1078, Vol. 16, article id 1547046Article in journal (Refereed) Published
Abstract [en]

Introduction: Compassion-focused therapy (CFT) has shown promising outcomes for young people, but research on CFT for this population remains limited. This study aims to evaluate the feasibility and acceptability of a seven-session, therapist-led, internet-based group CFT for young people, and to investigate its preliminary effects.

Methods: A two-arm pilot randomized controlled trial (RCT) was conducted. The study included 42 participants (aged 15–20), experiencing mild to moderate stress, anxiety, or depression, most of whom (90%) were female. In the intervention group, 22 participants were included in the intention-to-treat (ITT) analysis. The trial was registered at ClinicalTrials.gov (NCT05448014).

Results: The intervention group had low attrition and moderate attendance, with 77% completing four or more modules. No adverse events were reported, and participants generally expressed satisfaction with the intervention. Linear regression models showed preliminary between-group differences in two variables. Depressive symptoms increased post-intervention for individuals in the intervention group compared to the waitlist (WL) group (p = 0.002). Self-compassion improved in the intervention group (p = 0.023). These patterns were consistent among participants who completed more than two sessions. Within-group analyses indicated moderate, significant improvements in stress, self-compassion and compassion from others.

Discussion: These preliminary results suggest that CFT is feasible and acceptable and may offer benefits for young people, particularly by enhancing self-compassion and compassion for others. The observed increase in depressive symptoms in the intervention group, despite improvements in self-compassion, warrants further investigation. Larger studies are needed to confirm these preliminary results and to better understand the underlying mechanisms.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2025
Keywords
compassion, group psychotherapy, internet-based psychotherapy, randomized controlled trial (RCT), stress, young people
National Category
Applied Psychology Psychology (Excluding Applied Psychology)
Identifiers
urn:nbn:se:umu:diva-238083 (URN)10.3389/fpsyg.2025.1547046 (DOI)001466538300001 ()40236966 (PubMedID)2-s2.0-105002611508 (Scopus ID)
Funder
Region VästerbottenUmeå UniversityNorrbotten County CouncilKempe-Carlgrenska FoundationNational Association for Social and Mental Health
Available from: 2025-05-03 Created: 2025-05-03 Last updated: 2025-05-03Bibliographically approved
Vestin, M., Jokinen, J., Blomqvist, I. & Dennhag, I. (2025). Participants' evaluation of an internet-based group compassion-focused therapy program for young people in Sweden. Frontiers in Psychology, 16, Article ID 1548320.
Open this publication in new window or tab >>Participants' evaluation of an internet-based group compassion-focused therapy program for young people in Sweden
2025 (English)In: Frontiers in Psychology, E-ISSN 1664-1078, Vol. 16, article id 1548320Article in journal (Refereed) Published
Abstract [en]

Introduction: Online group compassion-focused therapy (CFT) has not been thoroughly studied in young people, and the participants' perspectives on the treatment are highly relevant.

Methods: A seven-session internet-based group CFT program was evaluated for young people aged 15–20 (n = 42, females = 37). A self-report evaluation questionnaire, specifically designed for this study, was administered post-intervention. The current study investigated: (1) Potential factors influencing the treatment program goals (increase self-compassion, reduce self-criticism and increase affect-regulation abilities) and the participants' overall experience of the treatment; and (2) The effect each intervention exercise had on the program goals according to the participants' ratings.

Results: Participants generally reported high satisfaction and had a high attendance rate. Only 2.4% of the participants completed less than half of the sessions and 71% of the participants attended at least six of the seven sessions. Exercises that integrated traditional cognitive-behavioral therapy (CBT) and Compassion-Focused Therapy (CFT) principles received high ratings, whereas breathing and mindfulness exercises were rated lower in many cases. Several compassion exercises were also highly rated, such as the Threat-drive and security system, based on CFT affect-regulation theory. The majority did not find home assignments helpful.

Discussion: The findings suggest that internet-based group CFT could be an easily accessible and acceptable intervention for young people in primary care, though further research is warranted.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2025
Keywords
anxiety, compassion, depression, group psychotherapy, internet-based psychotherapy, stress, young people
National Category
Applied Psychology
Identifiers
urn:nbn:se:umu:diva-238069 (URN)10.3389/fpsyg.2025.1548320 (DOI)001460932700001 ()40201752 (PubMedID)2-s2.0-105001971630 (Scopus ID)
Funder
Umeå UniversityRegion Västerbotten
Available from: 2025-05-05 Created: 2025-05-05 Last updated: 2025-05-05Bibliographically approved
Adebahr, R., Görts Öberg, K., Rahm, C., Byström, M., Sparre, C., Boström, A., . . . Savard, J. (2024). A randomized controlled add-on trial of fluoxetine and cognitive behavioral therapy for help-seeking men with a sexual interest in children: presentation of the PARACHUTES trial protocol and initial feasibility data. Frontiers in Psychiatry, 15, Article ID 1448196.
Open this publication in new window or tab >>A randomized controlled add-on trial of fluoxetine and cognitive behavioral therapy for help-seeking men with a sexual interest in children: presentation of the PARACHUTES trial protocol and initial feasibility data
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2024 (English)In: Frontiers in Psychiatry, E-ISSN 1664-0640, Vol. 15, article id 1448196Article in journal (Refereed) Published
Abstract [en]

Background: Sexual Interest in Children (SIC) is a major risk factor for sexual offending, yet clinical trials are sparse. The present protocol outlines a randomized controlled trial (RCT) that aims to investigate the effectiveness of fluoxetine and Cognitive Behavioral Therapy (CBT) in help-seeking men with SIC.

Methods: Adult men contacting the Swedish telephone helpline PrevenTell are screened for inclusion and invited to further assessment on site. One hundred and eleven men with SIC (defined as DSM-5 pedophilic disorder or hebephilia) will be randomized (1:1:1 ratio) to receive one of three interventions for 14 weeks: (1) an internet-administered psychoeducational program (iPP), (2) iPP and the addition of fluoxetine 20-40 mg or (3) iPP and the addition of internet-administered CBT (iCBT). Exclusion criteria include severe psychiatric illness, contraindicating treatment and an elevated risk of committing hands-on sexual offences. Symptom intensity is assessed at baseline, pre-treatment, every other week for 12 weeks, and post treatment. The primary outcome measure is the Sexual Interest in Children: Current Assessment Scale (SIC: CAS) that quantifies sexual behaviors associated with SIC as well as perceived distress and impairment. Secondary outcomes include measures of dynamic risk-factors for committing sexual offences.

Results: The data collected during the initial 20 months of recruitment were analyzed to predict the required number of individuals to be screened and estimate the probable length of the data collection phase. As of March 2022 to November 2023, 146 men have called PrevenTell and disclosed a sexual interest in minors. Following pre-screening, 110 men were excluded from participation in the trial. Current SSRI therapy was the primary reason for exclusion (n = 24; 22%), followed by an elevated risk of committing hands-on sexual offences (n = 14; 13%). Among the 31 men who underwent the screening procedure on site, 26 were allocated to either iPP, iPP+fluoxetine, or iPP+iCBT. The recruitment rate indicates that the trial will be concluded within the pre-estimated timeframe.

Discussion: This is the first RCT of treatment with SSRI and iCBT in a population of help-seeking men with SIC. The significance of this trial and its methodological strengths and limitations are discussed.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2024
Keywords
child sexual abuse, cognitive behavioral, fluoxetine, paraphilic disorder, pedophilic disorder, preventive psychiatry, therapy
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-229422 (URN)10.3389/fpsyt.2024.1448196 (DOI)001296543100001 ()39184448 (PubMedID)2-s2.0-85201819609 (Scopus ID)
Funder
Swedish Research Council, 2023-0191
Available from: 2024-09-09 Created: 2024-09-09 Last updated: 2024-09-10Bibliographically approved
Boström, A. D., Andersson, P., Jamshidi, E., Wilczek, A., Nilsonne, Å., Rask-Andersen, M., . . . Jokinen, J. (2023). Accelerated epigenetic aging in women with emotionally unstable personality disorder and a history of suicide attempts. Translational Psychiatry, 13(1), Article ID 66.
Open this publication in new window or tab >>Accelerated epigenetic aging in women with emotionally unstable personality disorder and a history of suicide attempts
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2023 (English)In: Translational Psychiatry, E-ISSN 2158-3188, Vol. 13, no 1, article id 66Article in journal (Refereed) Published
Abstract [en]

Emotional unstable personality disorder (EUPD; previously borderline personality disorder, BPD) is associated with excess natural-cause mortality, comorbid medical conditions, poor health habits and stress related epigenomic alterations. Previous studies demonstrated that GrimAge – a state-of-the-art epigenetic age (EA) estimator – strongly predicts mortality risk and physiological dysregulation. Herein, we utilize the GrimAge algorithm to investigate whether women with EUPD and a history of recent suicide attempts exhibit EA acceleration (EAA) in comparison to healthy controls. Genome-wide methylation patterns were measured using the Illumina Infinum Methylation Epic BeadChip in whole blood from 97 EUPD patients and 32 healthy controls. The control group was significantly older (p < 0.0001) and reported lesser exposure to violent behavior in both youth and adulthood (p < 0.0001). Groups were otherwise comparable regarding gender, BMI, or tobacco usage (p > 0.05). EA estimator DNAmGrimAge exceeded chronological age by 8.8 and 2.3 years in the EUPD and control group, respectively. Similarly, EAA marker AgeAccelGrim was substantially higher in EUPD subjects when compared to controls, in both univariate and multivariate analyzes (p < 0.00001). Tobacco usage conferred substantial within-group effects on the EA-chronological age difference, i.e., 10.74 years (SD = 4.19) compared to 6.00 years (SD = 3.10) in the non-user EUPD group (p < 0.00001). Notably, past alcohol and substance abuse, use of psychotropic medications, global assessment of functioning, self-reported exposure to violent behavior in youth and adulthood, later completed suicide (N = 8) and age at first suicide attempt did not predict EAA in the EUPD group (p > 0.05). These results underscore the importance of addressing medical health conditions along with low-cost preventative interventions aimed at improving somatic health outcomes in EUPD, such as efforts to support cessation of tobacco use. The independency of GrimAge to other EA algorithms in this group of severely impaired EUPD patients, suggest it may have unique characteristics to evaluate risk of adverse health outcomes in context of psychiatric disorders.

Place, publisher, year, edition, pages
Nature Publishing Group, 2023
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-205493 (URN)10.1038/s41398-023-02369-7 (DOI)000936883100002 ()36813766 (PubMedID)2-s2.0-85148746069 (Scopus ID)
Funder
Swedish Research CouncilUmeå UniversityRegion VästerbottenRegion Stockholm
Available from: 2023-03-14 Created: 2023-03-14 Last updated: 2024-01-22Bibliographically approved
Pahnke, J., Jansson-Fröjmark, M., Andersson, G., Bjureberg, J., Jokinen, J., Bohman, B. & Lundgren, T. (2023). Acceptance and commitment therapy for autistic adults: a randomized controlled pilot study in a psychiatric outpatient setting. Autism, 27(5), 1461-1476
Open this publication in new window or tab >>Acceptance and commitment therapy for autistic adults: a randomized controlled pilot study in a psychiatric outpatient setting
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2023 (English)In: Autism, ISSN 1362-3613, E-ISSN 1461-7005, Vol. 27, no 5, p. 1461-1476Article in journal (Refereed) Published
Abstract [en]

Autistic adults are at risk of stress-related psychiatric disorders and reduced life quality due to social, cognitive, and perceptual challenges. Mental health interventions adapted to autistic adults are scarce. Acceptance and commitment therapy has preliminarily indicated health benefits in autistic adults, although it has not been robustly evaluated. Overall, 39 adults (21 males; 21–72 years) with autism spectrum disorder and normal intellectual ability (IQ M = 108.5; SD = 13.5) were randomized to 14 weeks of adapted acceptance and commitment therapy group treatment (NeuroACT) or treatment as usual. The intervention was feasible. Perceived stress and quality of life (primary outcomes), alongside psychological inflexibility, cognitive fusion, cognitive and behavioral avoidance, and autistic mannerism were statistically significantly improved in NeuroACT compared with treatment as usual (d = 0.70–0.90). Clinically significant changes in perceived stress and quality of life were in favor of NeuroACT. Between-group altered depression, anxiety, sleep problems, one quality of life measure, functional impairment, social aspects of autism, and executive difficulties were statistically non-significant. Dropout was slightly higher in NeuroACT. NeuroACT may be a promising treatment for autistic adults with co-existing stress and reduced quality of life. More extensive studies are warranted to evaluate NeuroACT further. 

Place, publisher, year, edition, pages
Sage Publications, 2023
Keywords
acceptance and commitment therapy, anxiety, autism, cognitive defusion, depression, interventions—psychosocial/behavioral, mindfulness, psychological flexibility, quality of life, stress
National Category
Psychiatry Applied Psychology
Identifiers
urn:nbn:se:umu:diva-202003 (URN)10.1177/13623613221140749 (DOI)000896879700001 ()36510817 (PubMedID)2-s2.0-85144189525 (Scopus ID)
Funder
Stiftelsen Söderström - Königska sjukhemmet
Available from: 2022-12-29 Created: 2022-12-29 Last updated: 2023-09-27Bibliographically approved
Andersson, P., Jamshidi, E., Ekman, C.-J., Tedroff, K., Björkander, J., Sjögren, M., . . . Boström, A. D. (2023). Anorexia nervosa with comorbid severe depression: a systematic scoping review of brain stimulation treatments. Journal of ECT, 39(4), 227-234
Open this publication in new window or tab >>Anorexia nervosa with comorbid severe depression: a systematic scoping review of brain stimulation treatments
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2023 (English)In: Journal of ECT, ISSN 1095-0680, E-ISSN 1533-4112, Vol. 39, no 4, p. 227-234Article in journal (Refereed) Published
Abstract [en]

Major depressive disorder (MDD) is highly prevalent in individuals with anorexia nervosa (AN) and is a predictor of greater clinical severity. However, there is a limited amount of evidence supporting the use of psychotropic medications for its management. A systematic scoping review was conducted to assess the current literature on brain stimulation treatments for AN with comorbid MDD, with a specific focus on MDD treatment response and weight restoration. This review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, and the PubMed, PsycInfo, and MEDLINE databases were searched until July 2022 using specific key words related to AN and brain stimulation treatments. A total of 373 citations were identified, and 49 treatment studies that met the inclusion criteria were included in the review. The initial evidence suggests that electroconvulsive therapy, repetitive transcranial magnetic stimulation, and deep-brain stimulation may be effective in managing comorbid MDD in AN. Emerging evidence suggests that transcranial direct current stimulation may have a positive effect on body mass index in individuals with severe to extreme AN. However, there is a need for the development of better measurement techniques for assessing the severity of depression in the context of AN. Controlled trials that are adequately designed to account for these limitations are highly warranted for deep-brain stimulation, electroconvulsive therapy, and repetitive transcranial magnetic stimulation and hold promise for providing clinically meaningful results.

Place, publisher, year, edition, pages
Lippincott Williams & Wilkins, 2023
Keywords
DBS, ECT, inpatients, MDD, severe anorexia nervosa, treatment guidelines
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-218470 (URN)10.1097/YCT.0000000000000922 (DOI)001185828800005 ()37053429 (PubMedID)2-s2.0-85178497245 (Scopus ID)
Funder
Region StockholmSwedish Research CouncilRegion Västerbotten
Available from: 2023-12-20 Created: 2023-12-20 Last updated: 2025-04-24Bibliographically approved
Andersson, P., Jokinen, J., Jarbin, H., Lundberg, J. & Desai Boström, A. E. (2023). Association of Bipolar Disorder Diagnosis With Suicide Mortality Rates in Adolescents in Sweden. JAMA psychiatry, 80(8), 796-802
Open this publication in new window or tab >>Association of Bipolar Disorder Diagnosis With Suicide Mortality Rates in Adolescents in Sweden
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2023 (English)In: JAMA psychiatry, ISSN 2168-6238, E-ISSN 2168-622X, Vol. 80, no 8, p. 796-802Article in journal (Refereed) Published
Abstract [en]

Importance: The association of early diagnosis and management of bipolar disorder with adolescent suicide mortality (ASM) is unknown.

Objective: To assess regional associations between ASM and bipolar disorder diagnosis frequencies.

Design, Setting, and Participants: This cross-sectional study investigated the association between annual regional ASM and bipolar disorder diagnosis rates in Swedish adolescents aged 15 to 19 years in January 1, 2008, through December 31, 2021. Aggregated data without exclusions reported at the regional level encompassed 585 suicide deaths, constituting 588 unique observations (ie, 21 regions, 14 years, 2 sexes).

Exposures: Bipolar disorder diagnosis frequencies and lithium dispensation rates were designated as fixed-effects variables (interaction term in the case of males). An interaction term between psychiatric care affiliation rates and the proportion of psychiatric visits to inpatient and outpatient clinics constituted independent fixed-effects variables. Region and year comprised random intercept effect modifiers. Variables were population adjusted and corrected for heterogeneity in reporting standards.

Main Outcomes and Measures: The main outcomes were sex-stratified, regional, and annual ASM rates in adolescents aged 15 to 19 years per 100 000 inhabitants as analyzed using generalized linear mixed-effects models.

Results: Female adolescents were diagnosed with bipolar disorder almost 3 times more often than male adolescents (mean [SD], 149.0 [19.6] vs 55.3 [6.1] per 100 000 inhabitants, respectively). Median regional prevalence rates of bipolar disorder varied over the national median by a factor of 0.46 to 2.61 and 0.00 to 1.82 in females and males, respectively. Bipolar disorder diagnosis rates were inversely associated with male ASM (β = -0.00429; SE, 0.002; 95% CI, -0.0081 to -0.0004; P = .03) independent of lithium treatment and psychiatric care affiliation rates. This association was replicated by β-binomial models of a dichotomized quartile 4 ASM variable (odds ratio, 0.630; 95% CI, 0.457-0.869; P = .005), and both models were robust after adjusting for annual regional diagnosis rates of major depressive disorder and schizophrenia. No such association was observed in females.

Conclusions and Relevance: In this cross-sectional study, lower suicide death rates in adolescent males was robustly associated with regional diagnosis rates of bipolar disorder at an estimated magnitude of approximately 4.7% of the mean national suicide death rate. The associations could be due to treatment efficacy, early diagnosis and management, or other factors not accounted for.

Place, publisher, year, edition, pages
American Medical Association (AMA), 2023
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-212739 (URN)10.1001/jamapsychiatry.2023.1390 (DOI)000995698100006 ()37223908 (PubMedID)2-s2.0-85166393689 (Scopus ID)
Funder
Swedish Research Council, 2020-01183
Available from: 2023-08-14 Created: 2023-08-14 Last updated: 2023-08-14Bibliographically approved
Boström, A. D., Jamshidi, E., Manu, D.-M., Kular, L., Schiöth, H. B., Åsberg, M. & Jokinen, J. (2023). Epigenetic changes in the CYP2D6 gene are related to severity of suicide attempt: A cross-sectional study of suicide attempters. Journal of Psychiatric Research, 160, 217-224
Open this publication in new window or tab >>Epigenetic changes in the CYP2D6 gene are related to severity of suicide attempt: A cross-sectional study of suicide attempters
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2023 (English)In: Journal of Psychiatric Research, ISSN 0022-3956, E-ISSN 1879-1379, Vol. 160, p. 217-224Article in journal (Refereed) Published
Abstract [en]

Background: The ability to accurately estimate risk of suicide deaths on an individual level remains elusive.

Methods: This study reports on a case-control study set-up from a well-characterized cohort of 88 predominantly female suicide attempters (SA), stratified into low- (n = 57) and high-risk groups (n = 31) based on reports of later death by suicide, as well as degree of intent-to-die and lethality of SA method. We perform an unbiased analysis of 12,930 whole-blood derived CpG-sites (Illumina Infinium EPIC BeadChip) previously demonstrated to be more conciliable with brain-derived variations. The candidate site was validated by pyrosequencing. External replication was performed in (1) relation to age at index suicide attempt in 97 women with emotionally unstable personality disorder (whole-blood) and (2) death by suicide in a mixed group of 183 prefrontal-cortex (PFC) derived samples who died by suicide or from non-psychiatric etiologies.

Results: CYP2D6-coupled CpG-site cg07016288 was hypomethylated in severe suicidal behavior (p < 10E-06). Results were validated by pyrosequencing (p < 0.01). Replication analyses demonstrate hypomethylation of cg07016288 in relation to age at index SA in females (p < 0.05) and hypermethylation in PFC of male suicide completers (p < 0.05). Limitations: Genotyping of CYP2D6 was not performed and CpG-site associations to gene expression were not explored.

Conclusions: CYP2D6-coupled epigenetic markers are hypomethylated in females in dependency of features known to confer increased risk of suicide deaths and hypermethylated in PFC of male suicide completers. Further elucidating the role of CYP2D6 in severe suicidality or suicide deaths hold promise to deduce clinically meaningful results.

Place, publisher, year, edition, pages
Elsevier, 2023
Keywords
cg07016288, CYP2D6, DNA methylation, Psychiatry, Suicide, Suicide prevention
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-205637 (URN)10.1016/j.jpsychires.2023.02.025 (DOI)000949417500001 ()2-s2.0-85149250745 (Scopus ID)
Funder
Swedish Research Council, 5454Swedish Research Council, K2009-61P-21304-04-4Swedish Research Council, K2009-61X-21305-01-1Umeå UniversityRegion VästerbottenThe Swedish Brain Foundation
Available from: 2023-03-14 Created: 2023-03-14 Last updated: 2024-01-22Bibliographically approved
Jamshidi, E., Boström, A. D., Wilczek, A., Nilsonne, Å., Åsberg, M. & Jokinen, J. (2023). Increased methylation of brain-derived neurotrophic factor (BDNF) is related to emotionally unstable personality disorder and severity of suicide attempt in women. Cells, 12(3), Article ID 350.
Open this publication in new window or tab >>Increased methylation of brain-derived neurotrophic factor (BDNF) is related to emotionally unstable personality disorder and severity of suicide attempt in women
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2023 (English)In: Cells, E-ISSN 2073-4409, Vol. 12, no 3, article id 350Article in journal (Refereed) Published
Abstract [en]

Brain-derived neurotrophic factor (BDNF) has previously been associated with the pathogenesis of both emotionally unstable personality disorder (EUPD) and suicidal behavior. No study has yet investigated BDNF-associated epigenetic alterations in a group of severely impaired EUPD and suicidal patients. The discovery cohort consisted of 97 women with emotionally unstable personality disorder (EUPD) with at least two serious suicide attempts (SAs) and 32 healthy female controls. The genome-wide methylation pattern was measured by the Illumina EPIC BeadChip and analyzed by robust linear regression models to investigate mean BDNF methylation levels in a targeted analysis conditioned upon severity of suicide attempt. The validation cohort encompassed 60 female suicide attempters, stratified into low- (n = 45) and high-risk groups (n = 15) based on degree of intent-to-die and lethality of SA method, and occurrence of death-by-suicide at follow-up. Mean BDNF methylation levels exhibited increased methylation in relation to EUPD (p = 0.0159, percentage mean group difference ~3.8%). Similarly, this locus was confirmed as higher-methylated in an independent cohort of females with severe suicidal behavior (p = 0.0300). Results were independent of age and BMI. This is the first study to reveal emerging evidence of epigenetic dysregulation of BDNF with dependence on features known to confer increased risk of suicide deaths (lethality of suicide-attempt method and presence of EUPD diagnosis with history of recent SAs). Further studies investigating epigenetic and genetic effects of BDNF on severe suicidal behavior and EUPD are needed to further elucidate the role of epigenetic regulatory mechanisms and neurotrophic factors in relation to suicide and EUPD, and hold potential to result in novel treatment methods.

Keywords
BDNF, borderline personality disorder, BPD, brain-derived neurotrophic factor, DNA Methylation, emotionally unstable personality disorder, EUPD, suicide
National Category
Psychiatry
Identifiers
urn:nbn:se:umu:diva-205002 (URN)10.3390/cells12030350 (DOI)000933813900001 ()2-s2.0-85147858487 (Scopus ID)
Funder
Swedish Research Council, K2009-61P-21304-04-4Region Stockholm, ALF, FoUI-954107Region Västerbotten, ALF, RV-967864
Available from: 2023-03-01 Created: 2023-03-01 Last updated: 2024-01-22Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-6766-7983

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