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Lee A, Thuras P, Baller J, Jiao C, Guo B, Erbes CR, Polusny MA, Liu C, Wu B, Lim KO, Bishop JR. Serotonin Transporter (SLC6A4) and FK506-Binding Protein 5 (FKBP5) Genotype and Methylation Relationships with Response to Meditation in Veterans with PTSD. Mol Neurobiol 2024:10.1007/s12035-024-04096-6. [PMID: 38671329 DOI: 10.1007/s12035-024-04096-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/04/2024] [Indexed: 04/28/2024]
Abstract
Meditation-based interventions are novel and effective non-pharmacologic treatments for veterans with PTSD. We examined relationships between treatment response, early life trauma exposure, DNA polymorphisms, and methylation in the serotonin transporter (SLC6A4) and FK506-binding protein 5 (FKBP5) genes. DNA samples and clinical outcomes were examined in 72 veterans with PTSD who received meditation-based therapy in two separate studies of mindfulness-based stress reduction (MBSR) and Transcendental Meditation (TM). The PTSD Checklist was administered to assess symptoms at baseline and after 9 weeks of meditation intervention. We examined the SLC6A4 promoter (5HTTLPR_L/S insertion/deletion + rs25531_A/G) polymorphisms according to previously defined gene expression groups, and the FKBP5 variant rs1360780 previously associated with PTSD disease risk. Methylation for CpG sites of SLC6A4 (28 sites) and FKBP5 (45 sites) genes was quantified in DNA samples collected before and after treatment. The 5HTTLPR LALA high expression genotype was associated with greater symptom improvement in participants exposed to early life trauma (p = 0.015). Separately, pre to post-treatment change of DNA methylation in a group of nine FKBP5 CpG sites was associated with greater symptom improvement (OR = 2.8, 95% CI 1.1-7.1, p = 0.027). These findings build on a wealth of existing knowledge regarding epigenetic and genetic relationships with PTSD disease risk to highlight the potential importance of SLC6A4 and FKBP5 for treatment mechanisms and as biomarkers of symptom improvement.
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Affiliation(s)
- Adam Lee
- Department of Experimental and Clinical Pharmacology, University of Minnesota College of Pharmacy, Room 7-115 Weaver-Densford Hall, 308 Harvard St SE, Minneapolis, MN, 55455, USA
| | - Paul Thuras
- Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA
- Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
| | - Joshua Baller
- Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, MN, USA
| | - Chuan Jiao
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
- Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Team Krebs, Université Paris Cité, 75014, Paris, France
| | - Bin Guo
- Division of Biostatistics, University of Minnesota, Minneapolis, MN, USA
| | - Christopher R Erbes
- Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA
- Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
- Center for Care Delivery and Outcomes Research, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
| | - Melissa A Polusny
- Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA
- Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
- Center for Care Delivery and Outcomes Research, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
| | - Chunyu Liu
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Baolin Wu
- Department of Epidemiology and Biostatistics, Program in Public Health, University of California-Irvine, Irvine, CA, USA
| | - Kelvin O Lim
- Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA
- Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
- Geriatric Research, Education, and Clinical Center, Minneapolis VA Health Care System, Minneapolis, MN, USA
| | - Jeffrey R Bishop
- Department of Experimental and Clinical Pharmacology, University of Minnesota College of Pharmacy, Room 7-115 Weaver-Densford Hall, 308 Harvard St SE, Minneapolis, MN, 55455, USA.
- Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA.
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Prince S. Gene-environment interaction: why genetic enhancement might never be distributed fairly. JOURNAL OF MEDICAL ETHICS 2024; 50:272-277. [PMID: 37268408 DOI: 10.1136/jme-2023-109101] [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: 03/17/2023] [Accepted: 05/19/2023] [Indexed: 06/04/2023]
Abstract
Ethical debates around genetic enhancement tend to include an argument that the technology will eventually be fairly accessible once available. That we can fairly distribute genetic enhancement has become a moral defence of genetic enhancement. Two distribution solutions are argued for, the first being equal distribution. Equality of access is generally believed to be the fairest and most just method of distribution. Second, equitable distribution: providing genetic enhancements to reduce social inequalities. In this paper, I make two claims. I first argue that the very assumption that genetic enhancements can be distributed fairly is problematic when considering our understanding of gene-environment interactions, for example, epigenetics. I then argue that arguments that genetic enhancements are permissible because the intended benefits can be distributed fairly as intended are misinformed. My first claim rests on the assertion that genetic enhancements do not enhance traits in a vacuum; genes are dependent on conducive environments for expression. If society cannot guarantee fair environments, then any benefit conferred from being genetically enhanced will be undermined. Thus, any argument that the distribution of genetic enhancements will be fair and that the technology is therefore morally permissible, is mistaken.
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Affiliation(s)
- Sinead Prince
- Faculty of Business and Law, Queensland University of Technology, Brisbane, Queensland, Australia
- Faculty of Business and Law, Queensland University of Technology, Brisbane, Queensland, Australia
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3
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Marchese S, Huckins LM. Trauma Matters: Integrating Genetic and Environmental Components of PTSD. ADVANCED GENETICS (HOBOKEN, N.J.) 2023; 4:2200017. [PMID: 37766803 PMCID: PMC10520418 DOI: 10.1002/ggn2.202200017] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/28/2022] [Indexed: 09/29/2023]
Abstract
Trauma is ubiquitous, but only a subset of those who experience trauma will develop posttraumatic stress disorder (PTSD). In this review, it is argued that to determine who is at risk of developing PTSD, it is critical to examine the genetic etiology of the disorder and individual trauma profiles of those who are susceptible. First, the state of current PTSD genetic research is described, with a particular focus on studies that present evidence for trauma type specificity, or for differential genetic etiology according to gender or race. Next, approaches that leverage non-traditional phenotyping approaches are reviewed to identify PTSD-associated variants and biology, and the relative advantages and limitations inherent in these studies are reflected on. Finally, it is discussed how trauma might influence the heritability of PTSD, through type, risk factors, genetics, and associations with PTSD symptomology.
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Affiliation(s)
- Shelby Marchese
- Pamela Sklar Division of Psychiatric GenomicsIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
- Department of Genetics and Genomic SciencesIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
| | - Laura M. Huckins
- Pamela Sklar Division of Psychiatric GenomicsIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
- Department of Genetics and Genomic SciencesIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
- Department of PsychiatryIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
- Seaver Autism Center for Research and TreatmentIcahn School of Medicine at Mount SinaiNew YorkNY10029USA
- Present address:
Department of PsychiatryYale University School of MedicineNew HavenCT06511USA
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Cruz B, Vozella V, Carper BA, Xu JC, Kirson D, Hirsch S, Nolen T, Bradley L, Fain K, Crawford M, Kosten TR, Zorrilla EP, Roberto M. FKBP5 inhibitors modulate alcohol drinking and trauma-related behaviors in a model of comorbid post-traumatic stress and alcohol use disorder. Neuropsychopharmacology 2023; 48:1144-1154. [PMID: 36396784 PMCID: PMC10267127 DOI: 10.1038/s41386-022-01497-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/19/2022]
Abstract
Post-traumatic stress disorder (PTSD) leads to enhanced alcohol drinking and development of alcohol use disorder (AUD). Identifying shared neural mechanisms might help discover new therapies for PTSD/AUD. Here, we employed a rat model of comorbid PTSD/AUD to evaluate compounds that inhibit FK506-binding protein 51 (FKBP5), a co-chaperone modulator of glucocorticoid receptors implicated in stress-related disorders. Male and female rats received a familiar avoidance-based shock stress followed by voluntary alcohol drinking. We then assessed trauma-related behaviors through sleep bout cycles, hyperarousal, fear overgeneralization, and irritability. To evaluate the role of stress and alcohol history on the sensitivity to FKBP5 inhibitors, in two separate studies, we administered two FKBP5 inhibitors, benztropine (Study 1) or SAFit2 (Study 2). FKBP5 inhibitors were administered on the last alcohol drinking session and prior to each trauma-related behavioral assessment. We also measured plasma corticosterone to assess the actions of FKBP5 inhibitors after familiar shock stress and alcohol drinking. Benztropine reduced alcohol preference in stressed males and females, while aggressive bouts were reduced in benztropine-treated stressed females. During hyperarousal, benztropine reduced several startle response outcomes across stressed males and females. Corticosterone was reduced in benztropine-treated stressed males. The selective FKBP5 inhibitor, SAFit2, reduced alcohol drinking in stressed males but not females, with no differences in irritability. Importantly, SAFit2 decreased fear overgeneralization in stressed males and females. SAFit2 also reduced corticosterone across stressed males and females. Neither FKBP5 inhibitor changed sleep bout structure. These findings indicate that FKBP5 inhibitors modulate stress-related alcohol drinking and partially modulate trauma-related behaviors. This work supports the hypothesis that targeting FKBP5 may alleviate PTSD/AUD comorbidity.
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Affiliation(s)
- Bryan Cruz
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA
| | - Valentina Vozella
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA
| | - Benjamin A Carper
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Joy C Xu
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA
| | - Dean Kirson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA
- Department of Pharmacology, Addiction Science, and Toxicology, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Shawn Hirsch
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Tracy Nolen
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Lauren Bradley
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Katie Fain
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Meg Crawford
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, 27709, USA
| | - Thomas R Kosten
- Division of Alcohol and Addiction Psychiatry, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Eric P Zorrilla
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA.
| | - Marisa Roberto
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, 92073, USA.
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Malekpour M, Shekouh D, Safavinia ME, Shiralipour S, Jalouli M, Mortezanejad S, Azarpira N, Ebrahimi ND. Role of FKBP5 and its genetic mutations in stress-induced psychiatric disorders: an opportunity for drug discovery. Front Psychiatry 2023; 14:1182345. [PMID: 37398599 PMCID: PMC10313426 DOI: 10.3389/fpsyt.2023.1182345] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/24/2023] [Indexed: 07/04/2023] Open
Abstract
Stress-induced mental health disorders are affecting many people around the world. However, effective drug therapy for curing psychiatric diseases does not occur sufficiently. Many neurotransmitters, hormones, and mechanisms are essential in regulating the body's stress response. One of the most critical components of the stress response system is the hypothalamus-pituitary-adrenal (HPA) axis. The FKBP prolyl isomerase 51 (FKBP51) protein is one of the main negative regulators of the HPA axis. FKBP51 negatively regulates the cortisol effects (the end product of the HPA axis) by inhibiting the interaction between glucocorticoid receptors (GRs) and cortisol, causing reduced transcription of downstream cortisol molecules. By regulating cortisol effects, the FKBP51 protein can indirectly regulate the sensitivity of the HPA axis to stressors. Previous studies have indicated the influence of FKBP5 gene mutations and epigenetic changes in different psychiatric diseases and drug responses and recommended the FKBP51 protein as a drug target and a biomarker for psychological disorders. In this review, we attempted to discuss the effects of the FKBP5 gene, its mutations on different psychiatric diseases, and drugs affecting the FKBP5 gene.
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Affiliation(s)
- Mahdi Malekpour
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Dorsa Shekouh
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Shadi Shiralipour
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Jalouli
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sahar Mortezanejad
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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6
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Wang A, Wei Z, Yuan H, Zhu Y, Peng Y, Gao Z, Liu Y, Shen J, Xu H, Guan J, Yin S, Liu F, Li X. FKBP5 genetic variants are associated with respiratory- and sleep-related parameters in Chinese patients with obstructive sleep apnea. Front Neurosci 2023; 17:1170889. [PMID: 37274192 PMCID: PMC10233201 DOI: 10.3389/fnins.2023.1170889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 04/27/2023] [Indexed: 06/06/2023] Open
Abstract
Introduction Obstructive sleep apnea (OSA) has been associated with psychiatric disorders, especially depression and posttraumatic stress disorder (PTSD). FKBP5 genetic variants have been previously reported to confer the risk of depression and PTSD. This study aimed to investigate the association of single nucleotide polymorphisms (SNPs) in the FKBP5 gene with OSA and OSA-related quantitative traits. Methods Four SNPs within the FKBP5 gene (rs1360780, rs3800373, rs9296158, rs9470080) were genotyped in 5773 participants with anthropometric and polysomnography data. Linear regression and logistic regression analyses were performed to evaluate the relationship between FKBP5 SNPs and OSA-related traits. Binary logistic regression was used to assess the effect of SNPs on OSA susceptibility. Interacting genes of SNPs were assessed based on the 3DSNP database, and expression quantitative trait loci (eQTL) analysis for SNPs was adopted to examine the correlation of SNPs with gene expression. Gene expression analyses in human brains were performed with the aid of Brain Atlas. Results In moderate-to-severe OSA patients, all four SNPs were positively associated with AHIREM, and rs9296158 showed the strongest association (ß = 1.724, p = 0.001). Further stratified analyses showed that in men with moderate OSA, rs1360780, rs3800373 and rs9470080 were positively associated with wake time (p = 0.0267, p = 0.0254 and p = 0.0043, respectively). Rs1360780 and rs3800373 were 28 and 29.4%more likely to rate a higher ordered MAI category (OR (95% CI) = 1.280 (1.042 - 1.575), p = 0.019; OR (95% CI) = 1.294 (1.052 - 1.592), p = 0.015, respectively). Rs9296158 and rs9470080 increased the risk of low sleep efficiency by 25.7 and 28.1% (OR (95% CI) = 1.257 (1.003 - 1.575), p = 0.047; OR (95% CI) = 1.281 (1.026-1.6), p = 0.029, respectively). Integrated analysis of eQTL and gene expression patterns revealed that four SNPs may exert their effects by regulating FKBP5, TULP1, and ARMC12. Conclusion Single nucleotide polymorphisms in the FKBP5 gene were associated with sleep respiratory events in moderate-to-severe OSA patients during REM sleep and associated with sleep architecture variables in men with moderate OSA. FKBP5 variants may be a potential predisposing factor for sleep disorders, especially in REM sleep.
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Affiliation(s)
- Anzhao Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Zhicheng Wei
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Haolin Yuan
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Yaxin Zhu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Yu Peng
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Zhenfei Gao
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Yuenan Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Jinhong Shen
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Huajun Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Jian Guan
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Shankai Yin
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Feng Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Xinyi Li
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
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7
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Soto OB, Ramirez CS, Koyani R, Rodriguez-Palomares IA, Dirmeyer JR, Grajeda B, Roy S, Cox MB. Structure and function of the TPR-domain immunophilins FKBP51 and FKBP52 in normal physiology and disease. J Cell Biochem 2023:10.1002/jcb.30406. [PMID: 37087733 PMCID: PMC10903107 DOI: 10.1002/jcb.30406] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/22/2023] [Accepted: 04/04/2023] [Indexed: 04/24/2023]
Abstract
Coordinated cochaperone interactions with Hsp90 and associated client proteins are crucial for a multitude of signaling pathways in normal physiology, as well as in disease settings. Research on the molecular mechanisms regulated by the Hsp90 multiprotein complexes has demonstrated increasingly diverse roles for cochaperones throughout Hsp90-regulated signaling pathways. Thus, the Hsp90-associated cochaperones have emerged as attractive therapeutic targets in a wide variety of disease settings. The tetratricopeptide repeat (TPR)-domain immunophilins FKBP51 and FKBP52 are of special interest among the Hsp90-associated cochaperones given their Hsp90 client protein specificity, ubiquitous expression across tissues, and their increasingly important roles in neuronal signaling, intracellular calcium release, peptide bond isomerization, viral replication, steroid hormone receptor function, and cell proliferation to name a few. This review summarizes the current knowledge of the structure and molecular functions of TPR-domain immunophilins FKBP51 and FKBP52, recent findings implicating these immunophilins in disease, and the therapeutic potential of targeting FKBP51 and FKBP52 for the treatment of disease.
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Affiliation(s)
- Olga B. Soto
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Christian S. Ramirez
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Rina Koyani
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Isela A. Rodriguez-Palomares
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Jessica R. Dirmeyer
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Brian Grajeda
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Sourav Roy
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Marc B. Cox
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, El Paso, TX 79968
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8
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Fritz M, Soravia SM, Dudeck M, Malli L, Fakhoury M. Neurobiology of Aggression-Review of Recent Findings and Relationship with Alcohol and Trauma. BIOLOGY 2023; 12:biology12030469. [PMID: 36979161 PMCID: PMC10044835 DOI: 10.3390/biology12030469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023]
Abstract
Aggression can be conceptualized as any behavior, physical or verbal, that involves attacking another person or animal with the intent of causing harm, pain or injury. Because of its high prevalence worldwide, aggression has remained a central clinical and public safety issue. Aggression can be caused by several risk factors, including biological and psychological, such as genetics and mental health disorders, and socioeconomic such as education, employment, financial status, and neighborhood. Research over the past few decades has also proposed a link between alcohol consumption and aggressive behaviors. Alcohol consumption can escalate aggressive behavior in humans, often leading to domestic violence or serious crimes. Converging lines of evidence have also shown that trauma and posttraumatic stress disorder (PTSD) could have a tremendous impact on behavior associated with both alcohol use problems and violence. However, although the link between trauma, alcohol, and aggression is well documented, the underlying neurobiological mechanisms and their impact on behavior have not been properly discussed. This article provides an overview of recent advances in understanding the translational neurobiological basis of aggression and its intricate links to alcoholism and trauma, focusing on behavior. It does so by shedding light from several perspectives, including in vivo imaging, genes, receptors, and neurotransmitters and their influence on human and animal behavior.
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Affiliation(s)
- Michael Fritz
- School of Health and Social Sciences, AKAD University of Applied Sciences, 70191 Stuttgart, Germany
- Department of Forensic Psychiatry and Psychotherapy, Ulm University, BKH Günzburg, Lindenallee 2, 89312 Günzburg, Germany
| | - Sarah-Maria Soravia
- Department of Forensic Psychiatry and Psychotherapy, Ulm University, BKH Günzburg, Lindenallee 2, 89312 Günzburg, Germany
| | - Manuela Dudeck
- Department of Forensic Psychiatry and Psychotherapy, Ulm University, BKH Günzburg, Lindenallee 2, 89312 Günzburg, Germany
| | - Layal Malli
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Beirut P.O. Box 13-5053, Lebanon
| | - Marc Fakhoury
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Beirut P.O. Box 13-5053, Lebanon
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Scholl JL, King ZR, Pearson K, Kallsen NA, Ehli EA, Fercho KA, Brown-Rice KA, Forster GL, Baugh LA. Methylation of genes and regulation of inflammatory processes on emotional response in young adults with alcoholic parents. Brain Behav Immun Health 2022; 25:100505. [PMID: 36110145 PMCID: PMC9468507 DOI: 10.1016/j.bbih.2022.100505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 10/31/2022] Open
Abstract
Many Americans are adult children of an alcoholic parent (ACoA), which can confer an increased risk of trauma and hazardous alcohol use, as well as heritable and environmental genetic influence. Psychological health and related neural activity can be influenced by inflammation responses, but it is not clear how these factors interact regarding risk or resilience to hazardous alcohol use. The goals of this study were to better understand the relationships between current alcohol use and inflammation, how these are modified by single nucleotide polymorphisms (SNPs) and/or epigenetic modifications of inflammation-associated genes; and how these alter neural reactivity to emotionally-salient stimuli. To do so, ACoA participants were dichotomized as resilient (not engaged in hazardous alcohol use) or vulnerable (currently engaged in hazardous alcohol use). Measures of blood-oxygen-level-dependent (BOLD) activity within regions of interest (ROIs), SNPs and DNA methylation of specific inflammation regulatory genes, and biological markers of inflammation were compared between these groups. Vulnerable ACoAs exhibited higher plasma C-reactive protein (CRP) and greater BOLD activity in the right hippocampus and ventral anterior cingulate cortex in response to emotional cues as well as reduced methylation of CRP and glucocorticoid-related genes. Path analysis revealed significant relationships between alcohol use, SNPs, DNA methylation of inflammatory-related genes, CRP levels, and BOLD activity to emotional stimuli. Taken together, these findings suggest a complex association related to hazardous alcohol use in ACoAs that may predict current inflammation and neural reactivity to emotional stimuli. A better understanding of these associations could direct the future of individual treatment options. Alterations of genes and alcohol use increases inflammation and affects mental health. Proposed model illustrating pathway for alcohol use leading to poor mental health. Methylation of promotor regions on mental health genes is affected by inflammation.
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10
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Qiu B, Zhong Z, Righter S, Xu Y, Wang J, Deng R, Wang C, Williams KE, Ma YY, Tsechpenakis G, Liang T, Yong W. FKBP51 modulates hippocampal size and function in post-translational regulation of Parkin. Cell Mol Life Sci 2022; 79:175. [PMID: 35244772 PMCID: PMC11072506 DOI: 10.1007/s00018-022-04167-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 11/29/2022]
Abstract
FK506-binding protein 51 (encoded by Fkpb51, also known as Fkbp5) has been associated with stress-related mental illness. To investigate its function, we studied the morphological consequences of Fkbp51 deletion. Artificial Intelligence-assisted morphological analysis revealed that male Fkbp51 knock-out (KO) mice possess more elongated dentate gyrus (DG) but shorter hippocampal height in coronal sections when compared to WT. Primary cultured Fkbp51 KO hippocampal neurons were shown to exhibit larger dendritic outgrowth than wild-type (WT) controls and pharmacological manipulation experiments suggest that this may occur through the regulation of microtubule-associated protein. Both in vitro primary culture and in vivo labeling support a role for FKBP51 in the regulation of microtubule-associated protein expression. Furthermore, Fkbp51 KO hippocampi exhibited decreases in βIII-tubulin, MAP2, and Tau protein levels, but a greater than 2.5-fold increase in Parkin protein. Overexpression and knock-down FKBP51 demonstrated that FKBP51 negatively regulates Parkin in a dose-dependent and ubiquitin-mediated manner. These results indicate a potential novel post-translational regulatory mechanism of Parkin by FKBP51 and the significance of their interaction on disease onset. KO has more flattened hippocampus using AI-assisted measurement Both pyramidal cell layer (PCL) of CA and granular cell layer (GCL) of DG distinguishable as two layers: deep cell layer and superficial layer. Distinct MAP2 expression between deep and superficial layer between KO and WT, Higher Parkin expression in KO brain Mechanism of FKBP51 inhibition resulting in Parkin, MAP2, Tau, and Tubulin expression differences between KO and WT mice, and resulting neurite outgrowth differences.
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Affiliation(s)
- Bin Qiu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Zhaohui Zhong
- Department of General Surgery, Peking University People's Hospital, Beijing, 100032, China
| | - Shawn Righter
- Department of Computer and Information Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Yuxue Xu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Jun Wang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Ran Deng
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Chao Wang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Kent E Williams
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Yao-Ying Ma
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Gavriil Tsechpenakis
- Department of Computer and Information Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Tiebing Liang
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
| | - Weidong Yong
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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11
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Gong J, He Y, Zhou L, Mo Y, Yu F, Liu M, Yang L, Liu J. Associations of autistic traits, executive dysfunction and the FKBP5 gene with emotion regulation in Chinese college students. PERSONALITY AND INDIVIDUAL DIFFERENCES 2022. [DOI: 10.1016/j.paid.2021.111293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Xu Y, Ajdacic-Gross V, Müller M, Buadze A, Seifritz E, Kleim B, von Känel R, Wagner EYN, Strippoli MPF, Castelao E, Preisig M, Vandeleur CL. Childhood adversity patterns differentially cluster with mental disorders and socioeconomic indicators in a large Swiss community sample. Compr Psychiatry 2022; 112:152282. [PMID: 34749059 DOI: 10.1016/j.comppsych.2021.152282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/24/2021] [Accepted: 10/15/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Exposure to childhood adversities (CHAD) has been found to be strongly associated with individuals' mental health and social development. Recently, it has been suggested that certain CHAD patterns exist in the population, which are more closely related to individuals' later mental health than the simple summation of adversities. The current study aims 1) to establish CHAD patterns based on self-reported child abuse and family dysfunction and 2) to assess their associations with mental disorders and sociodemographic indicators reported in adulthood. METHODS Data used in this cross-sectional study were derived from the representative CoLaus/PsyCoLaus population-based cohort (N = 5111, 35 to 88 years). Latent class analysis was conducted for the identification of CHAD patterns, while their associations with mental disorders and socioeconomic achievements (e. g. education and income) were investigated using correspondence analysis. RESULTS Four CHAD patterns emerged. While the majority (70.7%) of the sample showed an overall low adversity pattern (c1), 13.6% had not been raised by both of their biological parents due to divorce or being placed in foster home (c2), 11.0% had been raised by conflictive / dysfunctional / abusive parents (c3), and 4.7% showed high overall adversities (c4). Patterns c3 and c4 were most strongly associated with various mental disorders, especially c3 with internalizing anxiety disorders, while c2 was closely related to lower educational achievement. CONCLUSIONS Four CHAD patterns characterised by varying levels of child abuse and family dysfunction existed in this community sample. They yielded distinct associations with mental disorders and socioeconomic indicators.
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Affiliation(s)
- Yanhua Xu
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland.
| | - Vladeta Ajdacic-Gross
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Mario Müller
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Anna Buadze
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Birgit Kleim
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Roland von Känel
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - En-Young N Wagner
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Marie-Pierre F Strippoli
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Enrique Castelao
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Martin Preisig
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Caroline L Vandeleur
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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13
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Analysis of the cerebellar molecular stress response led to first evidence of a role for FKBP51 in brain FKBP52 expression in mice and humans. Neurobiol Stress 2021; 15:100401. [PMID: 34632006 PMCID: PMC8488056 DOI: 10.1016/j.ynstr.2021.100401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 09/05/2021] [Accepted: 09/15/2021] [Indexed: 12/15/2022] Open
Abstract
As the cerebellar molecular stress response is understudied, we assessed protein expression levels of hypothalamic-pituitary-adrenal (HPA) axis regulators and neurostructural markers in the cerebellum of a male PTSD mouse model and of unstressed vs. stressed male FK506 binding protein 51 (Fkbp5) knockout (KO) vs. wildtype mice. We explored the translatability of our findings in the Fkbp5 KO model to the situation in humans by correlating mRNA levels of candidates with those of FKBP5 in two whole transcriptome datasets of post-mortem human cerebellum and in blood of unstressed and stressed humans. Fkbp5 deletion rescued the stress-induced loss in hippocampal, prefrontal cortical, and, possibly, also cerebellar FKBP52 expression and modulated post-stress cerebellar expression levels of the glucocorticoid receptor (GR) and possibly (trend) also of glial fibrillary acidic protein (GFAP). Accordingly, expression levels of genes encoding for these three genes correlated with those of FKBP5 in human post-mortem cerebellum, while other neurostructural markers were not related to Fkbp5 either in mouse or human cerebellum. Also, gene expression levels of the two immunophilins correlated inversely in the blood of unstressed and stressed humans. We found transient changes in FKBP52 and persistent changes in GR and GFAP in the cerebellum of PTSD-like mice. Altogether, upon elucidating the cerebellar stress response we found first evidence for a novel facet of HPA axis regulation, i.e., the ability of FKBP51 to modulate the expression of its antagonist FKBP52 in the mouse and, speculatively, also in the human brain and blood and, moreover, detected long-term single stress-induced changes in expression of cerebellar HPA axis regulators and neurostructural markers of which some might contribute to the role of the cerebellum in fear extinction.
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Chen XX, Xu LP, Zeng CC, Zhang XY, Tao FB, Sun Y. Prolonged parent-child separation and pain in adolescence: The role of HPA-axis genetic variations. J Affect Disord 2021; 292:255-260. [PMID: 34134023 DOI: 10.1016/j.jad.2021.05.092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 04/26/2021] [Accepted: 05/31/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Increasing evidence has demonstrated that childhood adversity was a predictor of pain and hypothalamic-pituitary-adrenal (HPA) axis genetic variation is associated with pain risk. This study aims to explore possible effects of prolonged childhood separation from parents and HPA polygenic risk score (PRS) on pain among adolescents in rural China. METHOD We used data from 219 adolescents in rural area of Fuyang city, Anhui province, China. Parent-child separation was collected through interview and pain intensity was reported using the 11-point Numerical Rating Scale. SNP genotyping was performed using an improved multiplex ligation detection reaction (iMLDR) technique. The PRS was computed based on 3 single nucleotide polymorphisms (SNPs) in 2 genes (FKBP5 and NR3C1) related to HPA-axis stress reactivity. RESULTS Pain among adolescents separated from both parents scored higher compared to those without parent-child separation, however, this association was only observed in adolescents with moderate to high tertiles of PRS groups (parent-child separation in moderate group vs. no parent-child separation in moderate group: 3.07 vs. 1.57, P < 0.001; parent-child separation in highest group vs. no parent-child separation in highest group: 3.02 vs. 1.26, P < 0.001; parent-child separation in lowest group vs. no parent-child separation in lowest group: 2.34 vs. 1.25, P = 0.225). After controlled for demographic characteristics, psychopathological symptoms, adverse childhood experiences, parental warmth, prolonged childhood parent-child separation increased pain scores by 1.52 points (95% CI:0.72, 2.33) and 1.72 points (95% CI:1.13, 2.31) in moderate and high PRS groups, respectively. CONCLUSION Our findings suggest that adolescents separated from both parents while carrying more risk alleles related to HPA-axis stress reactivity are at heightened risk of pain.
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Affiliation(s)
- Xing-Xing Chen
- School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Luo-Piao Xu
- School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Chen-Chen Zeng
- Fuyang Vocational Technical College, Fuyang, Anhui Province, China
| | - Xing-Yan Zhang
- Bengbu High-tech Education Group, Bengbu, Anhui Province, China
| | - Fang-Biao Tao
- School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Ying Sun
- School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, 81 Meishan Road, Hefei, 230032, Anhui, China.
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15
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Pereira DMBP, Grasso DJ, Hodgkinson CA, McCarthy KJ, Wakschlag LS, Briggs-Gowan MJ. Maternal posttraumatic stress and FKBP5 Genotype interact to predict trauma-related symptoms in preschool-age offspring. J Affect Disord 2021; 292:212-216. [PMID: 34130185 PMCID: PMC10112507 DOI: 10.1016/j.jad.2021.05.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 05/12/2021] [Accepted: 05/23/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Children of parents with posttraumatic stress (PTS) face heightened risk for developing emotional and behavioral problems, regardless of whether they experience a traumatic event themselves. The current study investigates whether child FKBP5, a stress relevant gene shown to interact with child trauma exposure to increase risk for PTS, also moderates the well-established link between maternal PTS and child symptoms. METHODS Data are derived from a longitudinal lab-based study for which 205 dyads of trauma-exposed mothers and their preschool-age children from a sample enriched for violence exposure provided DNA samples and completed measures of maternal and child trauma-related symptoms. Hypotheses tested whether child FKBP5 rs1360780 SNP genotype interacts with child trauma exposure and maternal PTS to predict child trauma-related symptoms. RESULTS Hypotheses were partially supported, with maternal PTS predicting increased child symptoms for children carrying the minor T-allele (CT/TT), but not those homozygous for the major C-allele. LIMITATIONS Study results may not generalize to lower-risk or non-clinical populations, did not assess between-group differences in race/ethnicity, and do not consider other genes that may interact with FKBP5 or contribute to genetic risk for trauma-related impairment. CONCLUSIONS These findings provide the first evidence that the robust gene x environment interaction involving FKBP5 and child trauma exposure extends to other environmental perturbations, including maternal PTS. Our results highlight the importance of efforts to address trauma-related psychopathology in caregivers, which may disrupt intergenerational risk processes and improve outcomes for children.
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Affiliation(s)
| | - Damion J Grasso
- Department of Psychiatry, University of Connecticut School of Medicine, Farmington, CT, United States
| | - Colin A Hodgkinson
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, United States
| | - Kimberly J McCarthy
- Department of Psychiatry, University of Connecticut School of Medicine, Farmington, CT, United States
| | - Lauren S Wakschlag
- Department of Medical Social Sciences, Feinberg School of Medicine, and Institute for Innovations in Developmental Sciences Northwestern University, Chicago, IL, United States
| | - Margaret J Briggs-Gowan
- Department of Psychiatry, University of Connecticut School of Medicine, Farmington, CT, United States.
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16
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Keijser R, Olofsdotter S, Nilsson KW, Åslund C. Three-way interaction effects of early life stress, positive parenting and FKBP5 in the development of depressive symptoms in a general population. J Neural Transm (Vienna) 2021; 128:1409-1424. [PMID: 34423378 PMCID: PMC8423649 DOI: 10.1007/s00702-021-02405-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/06/2021] [Indexed: 12/14/2022]
Abstract
FKBP5 gene–environment interaction (cG × E) studies have shown diverse results, some indicating significant interaction effects between the gene and environmental stressors on depression, while others lack such results. Moreover, FKBP5 has a potential role in the diathesis stress and differential susceptibility theorem. The aim of the present study was to evaluate whether a cG × E interaction effect of FKBP5 single-nucleotide polymorphisms (SNPs) or haplotype and early life stress (ELS) on depressive symptoms among young adults was moderated by a positive parenting style (PASCQpos), through the frameworks of the diathesis stress and differential susceptibility theorem. Data were obtained from the Survey of Adolescent Life in Västmanland Cohort Study, including 1006 participants and their guardians. Data were collected during 2012, when the participants were 13 and 15 years old (Wave I: DNA), 2015, when participants were 16 and 18 years old (Wave II: PASCQpos, depressive symptomology and ELS) and 2018, when participants were 19 and 21 years old (Wave III: depressive symptomology). Significant three-way interactions were found for the FKBP5 SNPs rs1360780, rs4713916, rs7748266 and rs9394309, moderated by ELS and PASCQpos, on depressive symptoms among young adults. Diathesis stress patterns of interaction were observed for the FKBP5 SNPs rs1360780, rs4713916 and rs9394309, and differential susceptibility patterns of interaction were observed for the FKBP5 SNP rs7748266. Findings emphasize the possible role of FKBP5 in the development of depressive symptoms among young adults and contribute to the understanding of possible differential susceptibility effects of FKBP5.
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Affiliation(s)
- Rebecka Keijser
- Department of Neuroscience, Uppsala University, Uppsala, Sweden. .,Centre for Clinical Research, Uppsala University, Västmanland County Hospital Västerås, 721 89, Västerås, Sweden. .,School of Health, Care and Social Welfare, Mälardalen University, Västerås, Sweden.
| | - Susanne Olofsdotter
- Centre for Clinical Research, Uppsala University, Västmanland County Hospital Västerås, 721 89, Västerås, Sweden
| | - Kent W Nilsson
- Department of Neuroscience, Uppsala University, Uppsala, Sweden.,Centre for Clinical Research, Uppsala University, Västmanland County Hospital Västerås, 721 89, Västerås, Sweden.,School of Health, Care and Social Welfare, Mälardalen University, Västerås, Sweden
| | - Cecilia Åslund
- Centre for Clinical Research, Uppsala University, Västmanland County Hospital Västerås, 721 89, Västerås, Sweden.,Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
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17
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Choi K, Lee J, Kang HJ. Myelination defects in the medial prefrontal cortex of Fkbp5 knockout mice. FASEB J 2021; 35:e21297. [PMID: 33410216 DOI: 10.1096/fj.202001883r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/14/2020] [Accepted: 12/07/2020] [Indexed: 12/13/2022]
Abstract
The hypothalamic-pituitary-adrenal (HPA) axis plays a principal role in stress response regulation and has been implicated in the etiology of stress-related disorders. The HPA axis regulates the normal synthesis and release of glucocorticoids; dysregulation of the HPA axis causes abnormal responses to stress. FK506-binding protein 5 (FKBP5), a co-chaperone of heat shock protein 90 in the glucocorticoid receptor (GR) molecular complex, is a key GR sensitivity regulator. FKBP5 single nucleotide polymorphisms are associated with dysregulated HPA axis and increased risk of stress-related disorders, including posttraumatic stress disorder (PTSD) and depression. In this study, we profiled the microRNAs (miRNAs) in the medial prefrontal cortex of Fkbp5 knockout (Fkbp5-/- ) mice and identified the target genes of differentially expressed miRNAs using sequence-based miRNA target prediction. Gene ontology analysis revealed that the differentially expressed miRNAs were involved in nervous system development, regulation of cell migration, and intracellular signal transduction. The validation of the expression of predicted target genes using quantitative polymerase chain reaction revealed that the expression of axon development-related genes, specifically actin-binding LIM protein 1 (Ablim1), lemur tyrosine kinase 2 (Lmtk2), kinesin family member 5c (Kif5c), neurofascin (Nfasc), and ephrin type-A receptor 4 (Epha4), was significantly decreased, while that of brain-derived neurotrophic factor (Bdnf) was significantly increased in the brain of Fkbp5-/- mice. These results suggest that axonal development-related genes can serve as potential targets in future studies focused on understanding the pathophysiology of PTSD.
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Affiliation(s)
- Koeul Choi
- Department of Life Science, Chung-Ang University, Seoul, Korea
| | - Joonhee Lee
- Department of Life Science, Chung-Ang University, Seoul, Korea
| | - Hyo Jung Kang
- Department of Life Science, Chung-Ang University, Seoul, Korea
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18
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Tamman AJF, Wendt FR, Pathak GA, Krystal JH, Montalvo-Ortiz JL, Southwick SM, Sippel LM, Gelernter J, Polimanti R, Pietrzak RH. Attachment Style Moderates Polygenic Risk for Posttraumatic Stress in United States Military Veterans: Results From the National Health and Resilience in Veterans Study. Biol Psychiatry 2021; 89:878-887. [PMID: 33276944 DOI: 10.1016/j.biopsych.2020.09.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/15/2020] [Accepted: 09/15/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND A polygenic risk score (PRS) derived from genome-wide association studies of posttraumatic stress disorder (PTSD) may inform risk for this disorder. To date, however, no known study has examined whether social environmental factors such as attachment style may moderate the relation between PRS and PTSD. METHODS We evaluated main and interactive effects of PRS and attachment style on PTSD symptoms in a nationally representative sample of trauma-exposed European-American U.S. military veterans (N = 2030). PRS was derived from a genome-wide association study of PTSD re-experiencing symptoms (N = 146,660) in the Million Veteran Program cohort. Using one-sample Mendelian randomization with data from the UK Biobank (N = 115,099), we evaluated the effects of re-experiencing PRS and attachment style on PTSD symptoms. RESULTS Higher re-experiencing PRS and secure attachment style were independently associated with PTSD symptoms. A significant PRS-by-attachment style interaction was also observed (β = -.11, p = .006), with a positive association between re-experiencing PRS and PTSD symptoms observed only among veterans with an insecure attachment style. One-sample Mendelian randomization analyses suggested that the association between PTSD symptoms and attachment style is bidirectional. PRS enrichment analyses revealed a significant interaction between attachment style and a variant mapping to the IGSF11 gene (rs151177743, p = 2.1 × 10-7), which is implicated in regulating excitatory synaptic transmission and plasticity. CONCLUSIONS Attachment style may moderate polygenic risk for PTSD symptoms, and a novel locus implicated in synaptic transmission and plasticity may serve as a possible biological mediator of this association. These findings may help inform interpersonally oriented treatments for PTSD for individuals with high polygenic risk for this disorder.
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Affiliation(s)
| | - Frank R Wendt
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Gita A Pathak
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - John H Krystal
- Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System, New Haven, Connecticut; Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | | | - Steven M Southwick
- Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System, New Haven, Connecticut; Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Lauren M Sippel
- Executive Division, National Center for PTSD, White River Junction, Vermont; Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | - Joel Gelernter
- Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System, New Haven, Connecticut; Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Renato Polimanti
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Robert H Pietrzak
- Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System, New Haven, Connecticut; Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
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19
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Otsuka T, Hori H, Yoshida F, Itoh M, Lin M, Niwa M, Ino K, Imai R, Ogawa S, Matsui M, Kamo T, Kunugi H, Kim Y. Association of CRP genetic variation with symptomatology, cognitive function, and circulating proinflammatory markers in civilian women with PTSD. J Affect Disord 2021; 279:640-649. [PMID: 33190115 DOI: 10.1016/j.jad.2020.10.045] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/08/2020] [Accepted: 10/25/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) has been associated with increased inflammation. C-reactive protein (CRP) is a marker of systemic inflammation, and recently, single nucleotide polymorphisms (SNPs) in the CRP gene have been associated with increased blood CRP protein levels and illness severity in PTSD patients. However, the mechanism by which the CRP SNPs are involved in PTSD remains unclear. Here we investigated the association of CRP genetic variation with blood proinflammatory protein levels, symptomatology, and cognitive function, and further explored the moderating effect of childhood maltreatment history, in adult patients with PTSD. METHODS Fifty-seven Japanese civilian women with PTSD and 73 healthy control women were enrolled. Three SNPs in the CRP gene, namely rs2794520, rs1130864, and rs3093059, were genotyped, and analyses focused on rs2794520 (T/C). Serum levels of high-sensitivity CRP (hsCRP), high-sensitivity tumor necrosis factor-α (hsTNF-α), and interleukin-6 were measured. PTSD symptoms were evaluated by the Posttraumatic Diagnostic Scale. Cognitive function was assessed by the Repeatable Battery for the Assessment of Neuropsychological Status. Childhood maltreatment history was assessed by the Childhood Trauma Questionnaire. RESULTS Patients with the rs2794520 CC/CT genotype, compared to those with the TT genotype, showed significantly higher levels of hsCRP (p=0.009) and hsTNF-α (p=0.001), more severe PTSD symptoms (p=0.036), and poorer cognitive function (p=0.018). A two-way analysis of variance revealed a significant genotype-by-maltreatment interaction for more severe PTSD avoidance symptom (p=0.012). LIMITATIONS The relatively small sample size limited our findings. CONCLUSIONS These findings may provide an insight into the etiology of PTSD from the inflammatory perspective.
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Affiliation(s)
- Takeshi Otsuka
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Hiroaki Hori
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
| | - Fuyuko Yoshida
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Mariko Itoh
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Mingming Lin
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Madoka Niwa
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Keiko Ino
- Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Risa Imai
- Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Sei Ogawa
- Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Mie Matsui
- Department of Clinical Cognitive Neuroscience, Institute of Liberal Arts and Science, Kanazawa University, Kanazawa, Japan
| | - Toshiko Kamo
- Wakamatsu-cho Mental and Skin Clinic, Tokyo, Japan
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yoshiharu Kim
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
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20
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Wang L, Zhang J, Li G, Cao C, Fang R, Liu P, Luo S, Zhao G, Zhang Y, Zhang K. The ADCYAP1R1 Gene Is Correlated With Posttraumatic Stress Disorder Symptoms Through Diverse Epistases in a Traumatized Chinese Population. Front Psychiatry 2021; 12:665599. [PMID: 34163384 PMCID: PMC8216487 DOI: 10.3389/fpsyt.2021.665599] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/22/2021] [Indexed: 12/30/2022] Open
Abstract
The adenylate cyclase activating polypeptide 1 (pituitary) receptor (ADCYAP1R1) gene is associated with the hypothalamic-pituitary-adrenal (HPA) axis, which controls stress responses. The single-nucleotide polymorphism of ADCYAP1R1, rs2267735, has been investigated in many studies to test its association with posttraumatic stress disorder (PTSD), but the results have not been consistent. It is worth systematically exploring the role of rs2267735 in PTSD development. In this study, we analyzed rs2267735 in 1,132 trauma-exposed Chinese individuals (772 females and 360 males). We utilized the PTSD checklist for DSM-5 (PCL-5) to measure the PTSD symptoms. Then, we analyzed the main, G × E (rs2267735 × trauma exposure), and G × G (with other HPA axis gene polymorphisms) effects of rs2267735 on PTSD severity (total symptoms). There were no significant main or G × E effects (P > 0.05). The G × G ADCYAP1R1-FKBP5 interaction (rs2267735 × rs1360780) was associated with PTSD severity (beta = -1.31 and P = 0.049) based on all subjects, and the G × G ADCYAP1R1-CRHR1 interaction (rs2267735 × rs242924) was correlated with PTSD severity in men (beta = -4.72 and P = 0.023). Our study indicated that the ADCYAP1R1 polymorphism rs2267735 may affect PTSD development through diverse gene-gene interactions.
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Affiliation(s)
- Li Wang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jingyi Zhang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Gen Li
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Chengqi Cao
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Ruojiao Fang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Ping Liu
- People's Hospital of Deyang City, Deyang, China
| | - Shu Luo
- People's Hospital of Deyang City, Deyang, China
| | - Guangyi Zhao
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yingqian Zhang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Kunlin Zhang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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21
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Abstract
Stress system dysfunction is a typical characteristic of acute depression and other mood disorders. The exact pattern of factors predisposing for stress-related mental disorders is yet to be unraveled. However, corticosteroid receptor function plays an important role for appropriate or dysfunctional neuroendocrine responses to stress exposure and hence in resilience or risk for the development and course of both, depression and anxiety disorders. Solid neuroscience data strongly support that both neuropeptides, corticotropin-releasing hormone (CRH) and vasopressin (AVP), are central in coordinating humoral and behavioral adaptation to stress. Other neuropeptides, including oxytocin, neuropeptide S, neuropeptide Y, and orexin, are also considered important contributors. Attempts to turn neuropeptide biology into treatments for stress-related disorders need to consider that neuropeptide receptors are specific drug targets for certain patient populations rather than universal targets for all patients, like biogenic amine systems. That is why most negative clinical trials testing neuropeptide receptor antagonists have been in fact failed trials by design, because no companion tests were used to identify which patients with depression are most likely to benefit from a specific neuropeptide receptor-targeting drug treatment. Therefore, the most important future research task is discovery and development of appropriate companion tests that will allow the successful transfer of the precious treasure of neuropeptide system-targeting drugs into clinics.
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Affiliation(s)
| | - Marcus Ising
- Max Planck Institute of Psychiatry, Munich, Germany
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22
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Lai CLJ, Lee DYH, Leung MOY. Childhood Adversities and Salivary Cortisol Responses to the Trier Social Stress Test: A Systematic Review of Studies Using the Children Trauma Questionnaire (CTQ). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 18:ijerph18010029. [PMID: 33374531 PMCID: PMC7793098 DOI: 10.3390/ijerph18010029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 12/27/2022]
Abstract
Alteration in cortisol response to acute social stressors has been hypothesized to mediate childhood adversities (CA) and increased morbidity in adulthood. However, the evidence supporting an association between CA and cortisol response to social stressors is inconclusive. The present review addressed this issue by reviewing the literature on CA and cortisol response to acute social stressors, with a focus on studies with adolescents or adults, using the Childhood Trauma Questionnaire (CTQ) to assess CA, and examining salivary cortisol response to the Trier Social Stress Test (TSST). Systematic searches of relevant articles in PsycINFO, PubMed, Web of Science and ScienceDirect in February and March 2020 identified 12 articles including 1196 participants with mean ages ranging from 15.3 to 52.3 yrs. across studies. CTQ scores were significantly associated with cortisol response in 2 studies. In addition, the physical abuse and emotional neglect subscales were associated with cortisol response respectively in 2 separate studies. The lack of association between CA and cortisol response calls for more longitudinal studies, and the use of formal records of maltreatment or informant reports in future research to complement information collected by retrospective measures. In addition, increased attention to biological mechanisms other than that associated with the regulation of cortisol in explaining the connection between CA and psychiatry morbidity is warranted.
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Affiliation(s)
- Chuk Ling Julian Lai
- Psychophysiology Laboratory, Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, China; (D.Y.H.L.); (M.O.Y.L.)
- Correspondence: ; Tel.: +852-34424306; Fax: +852-34420283
| | - Daryl Yu Heng Lee
- Psychophysiology Laboratory, Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, China; (D.Y.H.L.); (M.O.Y.L.)
- Department of Experimental Psychology, Division of Psychology and Language Sciences, University College London, London WC1H 0AP, UK
| | - Monique On Yee Leung
- Psychophysiology Laboratory, Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, China; (D.Y.H.L.); (M.O.Y.L.)
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23
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Sannes AC, Christensen JO, Nielsen MB, Gjerstad J. The influence of age, gender and the FKBP5 genotype on subjective health complaints in the Norwegian working population. J Psychosom Res 2020; 139:110264. [PMID: 33038818 DOI: 10.1016/j.jpsychores.2020.110264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/22/2020] [Accepted: 09/30/2020] [Indexed: 01/30/2023]
Abstract
OBJECTIVE In the present study we examined the potential association between age, gender, the genetic variant FKBP5 rs9470080 and subjective health complaints. METHODS The data were collected through a three-wave nationally representative survey of 1060 Norwegian employees drawn from the Norwegian Central Employee Register by Statistics Norway. The follow-up period was six months. Subjective health complaints were scored by eight items reflecting; headache, neck pain, mid- and low back pain, stomach cramps or intestinal discomfort, problems with sleep onset or maintenance and early morning awakening. Genotyping with regard to FKBP5 rs9470080, previously linked to cortisol sensitivity, was carried out using Taqman assay. RESULTS The baseline data showed that in women, levels of subjective health complaints were highest among those above 50 years of age. Moreover, in women the rs9470080 CC variant at baseline was associated with higher levels of subjective health complaints. However, the effect size was not large, and no relationships were demonstrated between age or genotype and subjective health complaints in men. Also, the study variables were not related to any changes in the levels of subjective health complaints during the follow-up period. CONCLUSION We conclude that our biology such as age and sex, but also single genetic variants found in non-sex chromosomes, may be important in understanding the mechanisms underlying subjective health complaints in the general working population.
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24
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Reddaway J, Brydges NM. Enduring neuroimmunological consequences of developmental experiences: From vulnerability to resilience. Mol Cell Neurosci 2020; 109:103567. [PMID: 33068720 PMCID: PMC7556274 DOI: 10.1016/j.mcn.2020.103567] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 09/14/2020] [Accepted: 10/12/2020] [Indexed: 12/14/2022] Open
Abstract
The immune system is crucial for normal neuronal development and function (neuroimmune system). Both immune and neuronal systems undergo significant postnatal development and are sensitive to developmental programming by environmental experiences. Negative experiences from infection to psychological stress at a range of different time points (in utero to adolescence) can permanently alter the function of the neuroimmune system: given its prominent role in normal brain development and function this dysregulation may increase vulnerability to psychiatric illness. In contrast, positive experiences such as exercise and environmental enrichment are protective and can promote resilience, even restoring the detrimental effects of negative experiences on the neuroimmune system. This suggests the neuroimmune system is a viable therapeutic target for treatment and prevention of psychiatric illnesses, especially those related to stress. In this review we will summarise the main cells, molecules and functions of the immune system in general and with specific reference to central nervous system development and function. We will then discuss the effects of negative and positive environmental experiences, especially during development, in programming the long-term functioning of the neuroimmune system. Finally, we will review the sparse but growing literature on sex differences in neuroimmune development and response to environmental experiences. The immune system is essential for development and function of the central nervous system (neuroimmune system) Environmental experiences can permanently alter neuroimmune function and associated brain development Altered neuroimmune function following negative developmental experiences may play a role in psychiatric illnesses Positive experiences can promote resilience and rescue the effects of negative experiences on the neuroimmune system The neuroimmune system is therefore a viable therapeutic target for preventing and treating psychiatric illnesses
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Affiliation(s)
- Jack Reddaway
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff CF24 4HQ, UK
| | - Nichola M Brydges
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff CF24 4HQ, UK.
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25
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Notaras M, van den Buuse M. Neurobiology of BDNF in fear memory, sensitivity to stress, and stress-related disorders. Mol Psychiatry 2020; 25:2251-2274. [PMID: 31900428 DOI: 10.1038/s41380-019-0639-2] [Citation(s) in RCA: 183] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 12/01/2019] [Accepted: 12/12/2019] [Indexed: 01/17/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) is widely accepted for its involvement in resilience and antidepressant drug action, is a common genetic locus of risk for mental illnesses, and remains one of the most prominently studied molecules within psychiatry. Stress, which arguably remains the "lowest common denominator" risk factor for several mental illnesses, targets BDNF in disease-implicated brain regions and circuits. Altered stress-related responses have also been observed in animal models of BDNF deficiency in vivo, and BDNF is a common downstream intermediary for environmental factors that potentiate anxiety- and depressive-like behavior. However, BDNF's broad functionality has manifested a heterogeneous literature; likely reflecting that BDNF plays a hitherto under-recognized multifactorial role as both a regulator and target of stress hormone signaling within the brain. The role of BDNF in vulnerability to stress and stress-related disorders, such as posttraumatic stress disorder (PTSD), is a prominent example where inconsistent effects have emerged across numerous models, labs, and disciplines. In the current review we provide a contemporary update on the neurobiology of BDNF including new data from the behavioral neuroscience and neuropsychiatry literature on fear memory consolidation and extinction, stress, and PTSD. First we present an overview of recent advances in knowledge on the role of BDNF within the fear circuitry, as well as address mounting evidence whereby stress hormones interact with endogenous BDNF-TrkB signaling to alter brain homeostasis. Glucocorticoid signaling also acutely recruits BDNF to enhance the expression of fear memory. We then include observations that the functional common BDNF Val66Met polymorphism modulates stress susceptibility as well as stress-related and stress-inducible neuropsychiatric endophenotypes in both man and mouse. We conclude by proposing a BDNF stress-sensitivity hypothesis, which posits that disruption of endogenous BDNF activity by common factors (such as the BDNF Val66Met variant) potentiates sensitivity to stress and, by extension, vulnerability to stress-inducible illnesses. Thus, BDNF may induce plasticity to deleteriously promote the encoding of fear and trauma but, conversely, also enable adaptive plasticity during extinction learning to suppress PTSD-like fear responses. Ergo regulators of BDNF availability, such as the Val66Met polymorphism, may orchestrate sensitivity to stress, trauma, and risk of stress-induced disorders such as PTSD. Given an increasing interest in personalized psychiatry and clinically complex cases, this model provides a framework from which to experimentally disentangle the causal actions of BDNF in stress responses, which likely interact to potentiate, produce, and impair treatment of, stress-related psychiatric disorders.
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Affiliation(s)
- Michael Notaras
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York, NY, USA.
| | - Maarten van den Buuse
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia. .,College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia. .,Department of Pharmacology, University of Melbourne, Melbourne, VIC, Australia.
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26
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Castro-Vale I, Carvalho D. The Pathways between Cortisol-Related Regulation Genes and PTSD Psychotherapy. Healthcare (Basel) 2020; 8:healthcare8040376. [PMID: 33019527 PMCID: PMC7712185 DOI: 10.3390/healthcare8040376] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 01/30/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) only develops after exposure to a traumatic event in some individuals. PTSD can be chronic and debilitating, and is associated with co-morbidities such as depression, substance use, and cardiometabolic disorders. One of the most important pathophysiological mechanisms underlying the development of PTSD and its subsequent maintenance is a dysfunctional hypothalamic-pituitary-adrenal (HPA) axis. The corticotrophin-releasing hormone, cortisol, glucocorticoid receptor (GR), and their respective genes are some of the mediators of PTSD's pathophysiology. Several treatments are available, including medication and psychotherapies, although their success rate is limited. Some pharmacological therapies based on the HPA axis are currently being tested in clinical trials and changes in HPA axis biomarkers have been found to occur in response not only to pharmacological treatments, but also to psychotherapy-including the epigenetic modification of the GR gene. Psychotherapies are considered to be the first line treatments for PTSD in some guidelines, even though they are effective for some, but not for all patients with PTSD. This review aims to address how knowledge of the HPA axis-related genetic makeup can inform and predict the outcomes of psychotherapeutic treatments.
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Affiliation(s)
- Ivone Castro-Vale
- Medical Psychology Unit, Department of Clinical Neurosciences and Mental Health, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
- i3S-Institute for Research and Innovation in Health, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
- Correspondence:
| | - Davide Carvalho
- Department of Endocrinology, Diabetes and Metabolism, São João Hospital University Centre, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal;
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27
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Neurophysiology and Psychopathology Underlying PTSD and Recent Insights into the PTSD Therapies-A Comprehensive Review. J Clin Med 2020; 9:jcm9092951. [PMID: 32932645 PMCID: PMC7565106 DOI: 10.3390/jcm9092951] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/10/2020] [Accepted: 09/04/2020] [Indexed: 12/21/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) is a well-known psychiatric disorder that affects millions of people worldwide. Pharmacodynamic and cognitive-behavioral therapies (CBT) have been used to treat patients with PTSD. However, it remains unclear whether there are concurrent changes in psychopathological and neurophysiological factors associated with PTSD patients. Past reports described those PTSD patients with efficient fatty acid metabolism, neurogenesis, mitochondrial energy balance could improve ability to cope against the conditioned fear responses and traumatic memories. Furthermore, cognitive, behavioral, cellular, and molecular evidence can be combined to create personalized therapies for PTSD sufferers either with or without comorbidities such as depression or memory impairment. Unfortunately, there is still evidence lacking to establish a full understanding of the underlying neurophysiological and psychopathological aspects associated with PTSD. This review has extensively discussed the single nucleotide polymorphism (SNPs) of genetic factors to cause PTSD, the implications of inflammation, neurotransmitter genomics, metabolic alterations, neuroendocrine disturbance (hypothalamus-pituitary-adrenal (HPA) axis), mitochondrial dynamics, neurogenesis, and premature aging related to PTSD-induced psychopathology and neurophysiology. In addition, the review delineated the importance of CBT and several pharmacodynamic therapies to mitigate symptomatology of PTSD.
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28
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Brandt J, Warnke K, Jörgens S, Arolt V, Beer K, Domschke K, Haverkamp W, Kuhlmann SL, Müller-Nordhorn J, Rieckmann N, Schwarte K, Ströhle A, Tschorn M, Waltenberger J, Grosse L. Association of FKBP5 genotype with depressive symptoms in patients with coronary heart disease: a prospective study. J Neural Transm (Vienna) 2020; 127:1651-1662. [PMID: 32860562 PMCID: PMC7665971 DOI: 10.1007/s00702-020-02243-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 08/10/2020] [Indexed: 12/14/2022]
Abstract
Depression and coronary heart disease (CHD) are prevalent and often co-occurring disorders. Both have been associated with a dysregulated stress system. As a central element of the stress system, the FKBP5 gene has been shown to be associated with depression. In a prospective design, this study aims to investigate the association of FKBP5 with depressive symptoms in CHD patients. N = 268 hospitalized CHD patients were included. Depressive symptoms were measured using the Hospital Anxiety and Depression Scale (HADS-D) at four time points (baseline, and after 1 month, 6 months, and 12 months). The functional FKBP5 single-nucleotide polymorphism (SNP) rs1360780 was selected for genotyping. Linear regression models showed that a higher number of FKBP5 C alleles was associated with more depressive symptoms in CHD patients both at baseline (p = 0.015) and at 12-months follow-up (p = 0.025) after adjustment for confounders. Further analyses revealed that this effect was driven by an interaction of FKBP5 genotype with patients’ prior CHD course. Specifically, only in patients with a prior myocardial infarction or coronary revascularization, more depressive symptoms were associated with a higher number of C alleles (baseline: p = 0.046; 1-month: p = 0.026; 6-months: p = 0.028). Moreover, a higher number of C alleles was significantly related to a greater risk for dyslipidemia (p = .016). Our results point to a relevance of FKBP5 in the association of the two stress-related diseases depression and CHD.
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Affiliation(s)
- Julia Brandt
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany.
| | - Katharina Warnke
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany
| | - Silke Jörgens
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany
| | - Volker Arolt
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany
| | - Katja Beer
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Department of Psychiatry and Psychotherapy, Berlin, Germany
| | - Katharina Domschke
- Department of Psychiatry and Psychotherapy, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Wilhelm Haverkamp
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Department of Internal Medicine and Cardiology, Berlin, Germany
| | - Stella L Kuhlmann
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Division of Emergency and Acute Medicine (CVK, CCM), Berlin, Germany
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Institute of Public Health, Berlin, Germany
| | - Jacqueline Müller-Nordhorn
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Institute of Public Health, Berlin, Germany
- Bavarian Food and Health Safety Authority, Oberschleißheim, Germany
| | - Nina Rieckmann
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Institute of Public Health, Berlin, Germany
| | - Kathrin Schwarte
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany
| | - Andreas Ströhle
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Department of Psychiatry and Psychotherapy, Berlin, Germany
| | - Mira Tschorn
- Charité-Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Department of Psychiatry and Psychotherapy, Berlin, Germany
- Social and Preventive Medicine, University of Potsdam, Potsdam, Germany
| | | | - Laura Grosse
- Department of Psychiatry and Psychotherapy, University Hospital Münster, Albert-Schweitzer-Campus 1, Geb. A9, 48149, Münster, Germany
- Intercultural Business Psychology, Hamm-Lippstadt University of Applied Sciences, Hamm, Germany
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Zhang H, Wang YF, Zheng LJ, Lin L, Zhang XY, Yang YT, Liu Y, Lu GM, Zhang LJ. Impacts of FKBP5 variants on large-scale brain network connectivity in healthy adults. J Affect Disord 2020; 273:32-40. [PMID: 32421620 DOI: 10.1016/j.jad.2020.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/18/2020] [Accepted: 04/10/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND FK506 binding protein 5 (FKBP5) rs1360780 polymorphism has been identified as a molecular genetic marker associated with the dysfunction of the hypothalamic-pituitary-adrenal (HPA) axis. The impact of FKBP5 rs1360780 on the large-scale brain network connectivity in healthy adults is still unknown. METHODS 479 healthy volunteers (age: 20-80years) completed MRI scans, neuropsychological assessments and blood analysis.All subjects were divided into CC, CT and TT genotypes. Within and between network connectivities (10 sub-networks) were calculated using resting state functional MRI (rs-fMRI) data. The genetic effects and gene-gender/age interaction on large-scale network connectivity were explored. RESULTS Compared with CC and CT groups, TT group showed increased intra-connectivity in default mode network (DMN) and increased inter-connectivity mainly distributed among the network of DMN, salience network (SAN), dorsal attention network (DAN), ventral attention network (VAN), subcortical network (SUB), and visual network (VIS). Gene-by-gender and gene-by-age interaction were found in inter-connectivity of DAN to VIS and DMN to FPN, respectively. The altered connectivities correlated with anxiety status test score. LIMITATIONS Plasma adrenocorticotropic hormone (ACTH) or cortisol were not measured,or else, we could estimate the hypothalamic-pituitary-adrenal (HPA) axis activity which may strengthen our results. CONCLUSIONS FKBP5 rs1360780 modulates the large-scale brain network connectivity in healthy adults. TT carriers showed the increased intra- and inter-connectivities mainly distributed among the network of DMN, SAN, DAN, VAN, SUB and VIS.
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Affiliation(s)
- Han Zhang
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Yun Fei Wang
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Li Juan Zheng
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Li Lin
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Xin Yuan Zhang
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Yu Ting Yang
- Department of Medical Imaging, Medical Imaging Center, Nanjing Clinical School, Southern Medical University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Ya Liu
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Guang Ming Lu
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China
| | - Long Jiang Zhang
- Department of Medical Imaging, Medical Imaging Center, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Xuanwu District, Nanjing, Jiangsu Province, 210002, China.
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Zhang L, Hu XZ, Yu T, Chen Z, Dohl J, Li X, Benedek DM, Fullerton CS, Wynn G, Barrett JE, Li M, Russell DW, Ursano RJ. Genetic association of FKBP5 with PTSD in US service members deployed to Iraq and Afghanistan. J Psychiatr Res 2020; 122:48-53. [PMID: 31927265 DOI: 10.1016/j.jpsychires.2019.12.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/23/2019] [Accepted: 12/24/2019] [Indexed: 01/21/2023]
Abstract
Post-traumatic stress disorder (PTSD) is a debilitating mental disorder with a prevalence of more than 7% in the US population and 12% in the military. An interaction of childhood trauma with FKBP5 (a glucocorticoid-regulated immunophilin) has been reported to be associated with PTSD in the general population. However, there are few reports on the association of FKBP5 with PTSD, particularly in important high-risk population such as the military. Here, we examined the association between four single-nucleotide polymorphisms (SNPs; rs3800373, rs9296158, rs1360780, rs9470080) covering the FKBP5 gene and probable PTSD in US service members deployed to Iraq and Afghanistan, a high-risk military population (n = 3890) (Hines et al., 2014). We found that probable PTSD subjects were significantly more likely to carry the A-allele of rs3800373, G-allele of rs9296158, C-allele of rs1360780, and C-allele of rs9470080. Furthermore, the four SNPs were in one block of strong pairwise linkage disequilibrium (r = 0.91-0.96). Within the block there were two major haplotypes of CATT and AGCC (rs3800373-rs9296158-rs1360780-rs9470080) that account for 99% of haplotype diversity. The distribution of the AGCC haplotype was significantly higher in probable PTSD subjects compared to non-PTSD (p<.05). The diplotype-based analysis indicated that the AGCC carriers tended to be probable PTSD. In this study, we demonstrated the association between FKBP5 and probable PTSD in US service members deployed to Iraq and Afghanistan, indicating that FKBP5 might be a risk factor for PTSD.
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Affiliation(s)
- Lei Zhang
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA.
| | - Xian-Zhang Hu
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Tianzheng Yu
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Ze Chen
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Jacob Dohl
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Xiaoxia Li
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - David M Benedek
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Carol S Fullerton
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Gary Wynn
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - James E Barrett
- Department of Neurology, Drexel University College of Medicine Philadelphia, PA, 19102-1192, USA
| | - Mian Li
- Department of Neurology, Washington DC VA Medical Center, Washington, DC, 20422, USA
| | - Dale W Russell
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA; Consortium for Health and Military Performance, Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | | | - Robert J Ursano
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
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Zhang K, Wang L, Li G, Cao C, Fang R, Liu P, Luo S, Zhang X. Correlation between hypothalamic-pituitary-adrenal axis gene polymorphisms and posttraumatic stress disorder symptoms. Horm Behav 2020; 117:104604. [PMID: 31655035 DOI: 10.1016/j.yhbeh.2019.104604] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 09/20/2019] [Accepted: 09/21/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND The hypothalamic-pituitary-adrenal (HPA) axis is the main neuroendocrine system that controls stress responses, including fear learning. To further understand the correlation between the HPA axis and stress- and fear-related symptoms in humans, the current study investigated the relationship between HPA axis gene polymorphisms and a stress- and fear-related disorder, posttraumatic stress disorder (PTSD). This is the first study that systematically investigates the correlations between HPA axis genes and distinct PTSD symptom clusters. METHODS Participants included 1132 Chinese earthquake survivors (772 women and 360 men). PTSD symptoms were measured by the PTSD Checklist for DSM-5 (PCL-5), and the severity (total symptoms) and symptom clusters were calculated according to the hybrid seven-factor model of DSM-5 PTSD. We genotyped eight single nucleotide polymorphisms (SNPs) of three HPA axis genes, including FKBP5, CRHR1 and CRHR2. RESULTS The main effects of the CRHR2 SNP rs2267715 were associated with PTSD severity (P = 0.0035) and all PTSD symptom clusters except dysphoric arousal (P ranging from 0.0011 to 0.048). In women, a gene-environment interaction (G × E) effect of FKBP5 (rs3800373 × trauma exposure) was correlated with PTSD severity (P = 0.038), externalizing behaviors, anxious arousal and dysphoric arousal symptoms (P ranging from 0.014 to 0.028); the G × E effect of CRHR1 (rs4458044 × trauma exposure) was associated with anxious arousal symptoms (P = 0.016). In men, a gene-gene interaction (G × G) effect of FKBP5-CRHR1 (rs9470080 × rs4458044) was associated with PTSD severity (P = 0.0091), intrusion, negative affect, externalizing behaviors and anxious arousal (P ranging 0.012-0.049). CONCLUSION Our results systematically revealed that the main effects and G × E and G × G effects of some genetic polymorphisms of HPA axis genes are involved in the severity and distinct symptom clusters of PTSD.
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Affiliation(s)
- Kunlin Zhang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Li Wang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Gen Li
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chengqi Cao
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Shenzhen Key Laboratory of Affective and Social Cognitive Science, Shenzhen University, Shenzhen 518060, China
| | - Ruojiao Fang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ping Liu
- People's Hospital of Deyang City, Deyang, Sichuan 618000, China
| | - Shu Luo
- People's Hospital of Deyang City, Deyang, Sichuan 618000, China
| | - Xiangyang Zhang
- Laboratory for Traumatic Stress Studies and Center for Genetics and BioMedical Informatics Research, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China
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Liberman AC, Budziñski ML, Sokn C, Gobbini RP, Ugo MB, Arzt E. SUMO conjugation as regulator of the glucocorticoid receptor-FKBP51 cellular response to stress. Steroids 2020; 153:108520. [PMID: 31604074 DOI: 10.1016/j.steroids.2019.108520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/20/2019] [Accepted: 10/01/2019] [Indexed: 01/19/2023]
Abstract
In order to adequately respond to stressful stimuli, glucocorticoids (GCs) target almost every tissue of the body. By exerting a negative feedback loop in the hypothalamic-pituitary-adrenal (HPA) axis GCs inhibit their own synthesis and restore homeostasis. GCs actions are mostly mediated by the GC receptor (GR), a member of the nuclear receptor superfamily. Alterations of the GR activity have been associatedto different diseases including mood disorders and can lead to severe complication. Therefore, understanding the molecular complexity of GR modulation is mandatory for the development of new and effective drugs for treating GR-associated disorders. FKBP51 is a GR chaperone that has gained much attention because it is a strong inhibitor of GR activity and has a crucial role in psychiatric diseases. Both GR and FKBP51 activity are regulated by SUMOylation, a posttranslational (PTM). In this review, we focus on the impact of SUMO-conjugation as a regulator of this pathway.
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Affiliation(s)
- Ana C Liberman
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina.
| | - Maia L Budziñski
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina
| | - Clara Sokn
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina
| | - Romina P Gobbini
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina
| | - Maria B Ugo
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina
| | - Eduardo Arzt
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)- CONICET - Partner Institute of the Max Planck Society, Buenos Aires C1425FQD, Argentina; Departamento de Fisiología y Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1428EGA, Argentina.
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Rayman JB, Melas PA, Schalling M, Forsell Y, Kandel ER, Lavebratt C. Single-nucleotide polymorphism in the human TIA1 gene interacts with stressful life events to predict the development of pathological anxiety symptoms in a Swedish population. J Affect Disord 2020; 260:597-603. [PMID: 31541970 DOI: 10.1016/j.jad.2019.09.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/25/2019] [Accepted: 09/02/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND The TIA1 gene encodes a prion-related RNA-binding protein that regulates stress-dependent synaptic plasticity and fear memory in mice. It is unknown whether genetic variation in human TIA1 is associated with differences in stress- and fear-related behavior in people. METHODS A longitudinal, population-based survey was conducted in Sweden to collect information on demographics, socioeconomic status, exposure to stressful life events and psychiatric symptoms. DNA samples were obtained from study participants to allow genotyping of single-nucleotide polymorphisms in the human TIA1 locus. RESULTS We identified a single-nucleotide polymorphism in the human TIA1 gene that interacts with exposure to previous-year stressful life events to predict the development of pathological anxiety symptoms in a non-clinical cohort. LIMITATIONS Sample population is limited in both size and scope, and we did not perform functional analysis of allelic variants of TIA1. CONCLUSIONS TIA1 may represent a susceptibility locus for stress-dependent psychopathology. These studies support an evolutionarily conserved role of TIA1 in the mammalian brain, and may provide molecular and genetic insight into the development of stress-related psychiatric conditions such as PTSD and anxiety.
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Affiliation(s)
- Joseph B Rayman
- Department of Neuroscience, College of Physicians and Surgeons of Columbia University, New York, NY, USA; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY, USA
| | - Philippe A Melas
- Department of Neuroscience, College of Physicians and Surgeons of Columbia University, New York, NY, USA; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY, USA; Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Martin Schalling
- Neurogenetics Unit, Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska Universitetssjukhuset Solna (L8:00) 171 76 Stockholm, Sweden; Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Yvonne Forsell
- Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Eric R Kandel
- Department of Neuroscience, College of Physicians and Surgeons of Columbia University, New York, NY, USA; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY, USA; Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York, NY, USA; Howard Hughes Medical Institute at Columbia University, New York, NY, USA; Kavli Institute for Brain Science, Columbia University, New York, NY, USA
| | - Catharina Lavebratt
- Neurogenetics Unit, Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska Universitetssjukhuset Solna (L8:00) 171 76 Stockholm, Sweden; Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden.
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Brydges NM, Reddaway J. Neuroimmunological effects of early life experiences. Brain Neurosci Adv 2020; 4:2398212820953706. [PMID: 33015371 PMCID: PMC7513403 DOI: 10.1177/2398212820953706] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 08/07/2020] [Indexed: 12/18/2022] Open
Abstract
Exposure to adverse experiences during development increases the risk of psychiatric illness later in life. Growing evidence suggests a role for the neuroimmune system in this relationship. There is now substantial evidence that the immune system is critical for normal brain development and behaviour, and responds to environmental perturbations experienced early in life. Severe or chronic stress results in dysregulated neuroimmune function, concomitant with abnormal brain morphology and function. Positive experiences including environmental enrichment and exercise exert the opposite effect, promoting normal brain and immune function even in the face of early life stress. The neuroimmune system may therefore provide a viable target for prevention and treatment of psychiatric illness. This review will briefly summarise the neuroimmune system in brain development and function, and review the effects of stress and positive environmental experiences during development on neuroimmune function. There are also significant sex differences in how the neuroimmune system responds to environmental experiences early in life, which we will briefly review.
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Affiliation(s)
- Nichola M. Brydges
- Neuroscience and Mental Health Research
Institute, Cardiff University, Cardiff, UK
| | - Jack Reddaway
- Neuroscience and Mental Health Research
Institute, Cardiff University, Cardiff, UK
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35
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Howie H, Rijal CM, Ressler KJ. A review of epigenetic contributions
to post-traumatic stress disorder
. DIALOGUES IN CLINICAL NEUROSCIENCE 2019; 21:417-428. [PMID: 31949409 PMCID: PMC6952751 DOI: 10.31887/dcns.2019.21.4/kressler] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Post-traumatic stress disorder (PTSD) is a syndrome which serves as a classic example of psychiatric disorders that result from the intersection of nature and nurture, or gene and environment. By definition, PTSD requires the experience of a traumatic exposure, and yet data suggest that the risk for PTSD in the aftermath of trauma also has a heritable (genetic) component. Thus, PTSD appears to require both a biological (genetic) predisposition that differentially alters how the individual responds to or recovers from trauma exposure. Epigenetics is defined as the study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself, and more recently it has come to refer to direct alteration of DNA regulation, but without altering the primary sequence of DNA, or the genetic code. With regards to PTSD, epigenetics provides one way for environmental exposure to be "written" upon the genome, as a direct result of gene and environment (trauma) interactions. This review provides an overview of the main currently understood types of epigenetic regulation, including DNA methylation, histone regulation of chromatin, and noncoding RNA regulation of gene expression. Furthermore, we examine recent literature related to how these methods of epigenetic regulation may be involved in differential risk and resilience for PTSD in the aftermath of trauma.
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Affiliation(s)
- Hunter Howie
- Aartners Healthcare, Boston, Massachusetts, US; McLean Hospital, Belmont, Massachusetts, US
| | - Chuda M Rijal
- Partners Healthcare, Boston, Massachusetts, US; McLean Hospital, Belmont, Massachusetts, US
| | - Kerry J Ressler
- Partners Healthcare, Boston, Massachusetts, US; McLean Hospital, Belmont, Massachusetts, US; Harvard Medical School, Boston, Massachusetts, US
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Li G, Wang L, Zhang K, Cao C, Cao X, Fang R, Liu P, Luo S, Zhang X. FKBP5 Genotype Linked to Combined PTSD-Depression Symptom in Chinese Earthquake Survivors. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 2019; 64:863-871. [PMID: 31510784 PMCID: PMC7003107 DOI: 10.1177/0706743719870505] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Post-traumatic stress disorder (PTSD) and depression are common mental disorders in individuals experiencing traumatic events. To date, few studies have studied the relationship between genetic basis and phenotypic heterogeneity of traumatized individuals. The present study examined the effects of four FKBP5 SNPs (rs1360780, rs3800373, rs9296158, and rs9470080) in four postdisaster groups (low symptom, predominantly depressive, predominantly PTSD, and combined PTSD-depression symptom groups) as identified by latent profile analysis. METHODS A total of 1,140 adults who experienced the 2008 Wenchuan earthquake participated in our study. Earthquake-related trauma, PTSD, and depressive symptoms were measured using standard psychometric instruments. The four FKBP5 SNPs were genotyped using a custom-by-design 2 × 48-Plex SNP scan™ Kit. RESULTS After adjusting for covariates, the main and gene-environment interaction effects of rs9470080 were all significant when the combined PTSD-depression group was compared with the low symptoms, predominantly depression and predominantly PTSD groups. rs9470080 TT genotype carriers had a higher risk of developing high co-occurring PTSD and depression symptoms than the C allele carriers. However, when trauma exposure was severe, the TT genotype carriers and C allele carriers did not differ in the risk of developing high co-occurring PTSD and depressive symptoms. The other three SNPs demonstrated no significant effects. Moreover, the rs3800373-rs9296158-rs1360780-rs9470080 haplotype A-G-C-T was found significantly associated with combined PTSD-depression symptoms. CONCLUSION Our findings support the genetic basis of phenotypic heterogeneity in people exposed to trauma. Furthermore, the results reveal the possibility that the variants of FKBP5 gene may be associated with depression-PTSD comorbidity.
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Affiliation(s)
- Gen Li
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Li Wang
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Kunlin Zhang
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Chengqi Cao
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.,Shenzhen Key Laboratory of Affective and Social Cognitive Science, Shenzhen University, Shenzhen, China
| | - Xing Cao
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Ruojiao Fang
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Ping Liu
- People's Hospital of Deyang City, Deyang, Sichuan, China
| | - Shu Luo
- People's Hospital of Deyang City, Deyang, Sichuan, China
| | - Xiangyang Zhang
- Laboratory for Traumatic Stress Studies, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Interpersonal childhood adversity and stress generation in adolescence: Moderation by HPA axis multilocus genetic variation. Dev Psychopathol 2019; 32:865-878. [DOI: 10.1017/s0954579419001123] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
AbstractResearch suggests that childhood adversity (CA) is associated with a wide range of repercussions, including an increased likelihood of interpersonal stress generation. This may be particularly true following interpersonal childhood adversity (ICA) and for youth with high hypothalamic-pituitary-adrenal (HPA) axis-related genetic risk. In the current study, we applied a multilocus genetic profile score (MGPS) approach to measuring HPA axis-related genetic variation and examined its interaction with ICA to predict interpersonal stress generation in a sample of adolescents aged 14–17 (N = 241, Caucasian subsample n = 192). MGPSs were computed using 10 single nucleotide polymorphisms from HPA axis-related genes (CRHR1, NRC31, NRC32, and FKBP5). ICA significantly predicted greater adolescent interpersonal dependent stress. Additionally, MGPS predicted a stronger association between ICA and interpersonal dependent (but not independent or noninterpersonal dependent) stress. No gene–environment interaction (G×E) effects were found for noninterpersonal CA and MGPS in predicting adolescent interpersonal dependent stress. Effects remained after controlling for current depressive symptoms and following stratification by race. Findings extend existing G×E research on stress generation to HPA axis-related genetic variation and demonstrate effects specific to the interpersonal domain.
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Elbau IG, Cruceanu C, Binder EB. Genetics of Resilience: Gene-by-Environment Interaction Studies as a Tool to Dissect Mechanisms of Resilience. Biol Psychiatry 2019; 86:433-442. [PMID: 31202489 DOI: 10.1016/j.biopsych.2019.04.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/08/2019] [Accepted: 04/17/2019] [Indexed: 12/26/2022]
Abstract
The identification and understanding of resilience mechanisms holds potential for the development of mechanistically informed prevention and interventions in psychiatry. However, investigating resilience mechanisms is conceptually and methodologically challenging because resilience does not merely constitute the absence of disease-specific risk but rather reflects active processes that aid in the maintenance of physiological and psychological homeostasis across a broad range of environmental circumstances. In this conceptual review, we argue that the principle used in gene-by-environment interaction studies may help to unravel resilience mechanisms on different investigation levels. We present how this could be achieved by top-down designs that start with gene-by-environment interaction effects on disease phenotypes as well as by bottom-up approaches that start at the molecular level. We also discuss how recent technological advances may improve both top-down and bottom-up strategies.
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Affiliation(s)
- Immanuel G Elbau
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Cristiana Cruceanu
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Elisabeth B Binder
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany; Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia.
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Interactive effects of genetic polymorphisms and childhood adversity on brain morphologic changes in depression. Prog Neuropsychopharmacol Biol Psychiatry 2019. [PMID: 29535036 DOI: 10.1016/j.pnpbp.2018.03.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The etiology of depression is characterized by the interplay of genetic and environmental factors and brain structural alteration. Childhood adversity is a major contributing factor in the development of depression. Interactions between childhood adversity and candidate genes for depression could affect brain morphology via the modulation of neurotrophic factors, serotonergic neurotransmission, or the hypothalamus-pituitary-adrenal (HPA) axis, and this pathway may explain the subsequent onset of depression. Childhood adversity is associated with structural changes in the hippocampus, amygdala, anterior cingulate cortex (ACC), and prefrontal cortex (PFC), as well as white matter tracts such as the corpus callosum, cingulum, and uncinate fasciculus. Childhood adversity showed an interaction with the brain-derived neurotrophic factor (BDNF) gene Val66Met polymorphism, serotonin transporter-linked promoter region (5-HTTLPR), and FK506 binding protein 51 (FKBP5) gene rs1360780 in brain morphologic changes in patients with depression and in a non-clinical population. Individuals with the Met allele of BDNF Val66Met and a history of childhood adversity had reduced volume in the hippocampus and its subfields, amygdala, and PFC and thinner rostral ACC in a study of depressed patients and healthy controls. The S allele of 5-HTTLPR combined with exposure to childhood adversity or a poorer parenting environment was associated with a smaller hippocampal volume and subsequent onset of depression. The FKBP5 gene rs160780 had a significant interaction with childhood adversity in the white matter integrity of brain regions involved in emotion processing. This review identified that imaging genetic studies on childhood adversity may deepen our understanding on the neurobiological background of depression by scrutinizing complicated pathways of genetic factors, early psychosocial environments, and the accompanying morphologic changes in emotion-processing neural circuitry.
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Tamman AJF, Sippel LM, Han S, Neria Y, Krystal JH, Southwick SM, Gelernter J, Pietrzak RH. Attachment style moderates effects of FKBP5 polymorphisms and childhood abuse on post-traumatic stress symptoms: Results from the National Health and Resilience in Veterans Study. World J Biol Psychiatry 2019; 20:289-300. [PMID: 28891785 DOI: 10.1080/15622975.2017.1376114] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Objectives: To determine the main and interactive effects of four FKBP5 polymorphisms (rs9296158, rs3800373, rs1360780 and rs9470080), childhood abuse and attachment style in predicting severity of PTSD symptoms in two independent, nationally representative samples of US military veterans. Methods: Data were analysed from two independent samples of European-American US military veterans who participated in the National Health and Resilience in Veterans Study (N = 1,585 and 577 respectively). Results: Results revealed that carriage of two FKBP5 minor alleles, childhood abuse and insecure attachment style were associated with greater severity of PTSD symptoms. Gene × environment interactions were also observed, with the interaction of FKBP5 homozygous minor allele carriage and history of childhood abuse associated with greater severity of PTSD symptoms; however, these effects were fully counteracted by secure attachment style. Conclusions: Results of this study build on prior work demonstrating a gene × environment interaction between FKBP5 polymorphisms and childhood abuse in predicting risk for PTSD by suggesting that attachment style may moderate this effect. This study has implications for prevention and treatment efforts designed to promote a secure attachment style in veterans with high-risk FKBP5 genotypes and childhood abuse histories.
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Affiliation(s)
- Amanda J F Tamman
- a Division of Psychology and Language Sciences , University College London , London , UK.,b The PTSD Research and Treatment Program , Columbia University , New York , NY , USA.,c Anxiety Disorders Clinic , New York State Psychiatric Institute , New York , NY , USA.,d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA
| | - Lauren M Sippel
- d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA.,e Clinical Neurosciences Division , U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System , West Haven , CT , USA
| | - Shizhong Han
- f Department of Psychiatry , University of Iowa Carver College of Medicine , Iowa City , IA , USA
| | - Yuval Neria
- b The PTSD Research and Treatment Program , Columbia University , New York , NY , USA.,c Anxiety Disorders Clinic , New York State Psychiatric Institute , New York , NY , USA
| | - John H Krystal
- d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA.,e Clinical Neurosciences Division , U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System , West Haven , CT , USA
| | - Steven M Southwick
- d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA.,e Clinical Neurosciences Division , U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System , West Haven , CT , USA
| | - Joel Gelernter
- d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA.,e Clinical Neurosciences Division , U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System , West Haven , CT , USA
| | - Robert H Pietrzak
- d Department of Psychiatry , Yale University School of Medicine , New Haven , CT , USA.,e Clinical Neurosciences Division , U.S. Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System , West Haven , CT , USA
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Qiu B, Xu Y, Wang J, Liu M, Dou L, Deng R, Wang C, Williams KE, Stewart RB, Xie Z, Ren W, Zhao Z, Shou W, Liang T, Yong W. Loss of FKBP5 Affects Neuron Synaptic Plasticity: An Electrophysiology Insight. Neuroscience 2019; 402:23-36. [DOI: 10.1016/j.neuroscience.2019.01.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 01/07/2019] [Accepted: 01/11/2019] [Indexed: 11/26/2022]
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Analysis of whole genome-transcriptomic organization in brain to identify genes associated with alcoholism. Transl Psychiatry 2019; 9:89. [PMID: 30765688 PMCID: PMC6376002 DOI: 10.1038/s41398-019-0384-y] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/02/2019] [Indexed: 02/07/2023] Open
Abstract
Alcohol exposure triggers changes in gene expression and biological pathways in human brain. We explored alterations in gene expression in the Pre-Frontal Cortex (PFC) of 65 alcoholics and 73 controls of European descent, and identified 129 genes that showed altered expression (FDR < 0.05) in subjects with alcohol dependence. Differentially expressed genes were enriched for pathways related to interferon signaling and Growth Arrest and DNA Damage-inducible 45 (GADD45) signaling. A coexpression module (thistle2) identified by weighted gene co-expression network analysis (WGCNA) was significantly correlated with alcohol dependence, alcohol consumption, and AUDIT scores. Genes in the thistle2 module were enriched with genes related to calcium signaling pathways and showed significant downregulation of these pathways, as well as enrichment for biological processes related to nicotine response and opioid signaling. A second module (brown4) showed significant upregulation of pathways related to immune signaling. Expression quantitative trait loci (eQTLs) for genes in the brown4 module were also enriched for genetic associations with alcohol dependence and alcohol consumption in large genome-wide studies included in the Psychiatric Genetic Consortium and the UK Biobank's alcohol consumption dataset. By leveraging multi-omics data, this transcriptome analysis has identified genes and biological pathways that could provide insight for identifying therapeutic targets for alcohol dependence.
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Hawn SE, Sheerin CM, Lind MJ, Hicks TA, Marraccini ME, Bountress K, Bacanu SA, Nugent NR, Amstadter AB. GxE effects of FKBP5 and traumatic life events on PTSD: A meta-analysis. J Affect Disord 2019; 243:455-462. [PMID: 30273884 PMCID: PMC6487483 DOI: 10.1016/j.jad.2018.09.058] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 08/14/2018] [Accepted: 09/16/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Twin studies have demonstrated that both genetic and environmental factors influence risk for posttraumatic stress disorder (PTSD), and there is some evidence supporting the interplay of genes and environment (GxE). Many GxE studies within the PTSD literature have focused on genes implicated in the stress response system, such as FK506 binding protein 51 (FKBP5). Given inconsistencies across GxE literature as a whole, a meta-analysis to synthesize results is warranted. METHODS Studies were identified through PubMed and PsycINFO. A meta-analysis was conducted using a random effects model in the MAc package in R. Heterogeneity of the effect size distribution was examined with Cochran's Q statistic. A Simes procedure was used to test the gene-level GxE effect for FKBP5 interacting with trauma. RESULTS A significant gene-level GxE gene effect was demonstrated for FKBP5 when pooled across all four examined variants (rs1360780, rs3800373, rs9296158, rs9470080) when interacting with trauma exposure on PTSD. Significant large GxE effect sizes were also found for each independent variant. There was no evidence for heterogeneity of variance. LIMITATIONS Limitations include reduced power for detecting variability across moderators, potential bias due to failure of meta-analyzed studies to account for two-way covariate x gene and covariate x environment influences, and a high false discovery rate that is characteristic of GxE analyses. CONCLUSIONS This is the first study to quantify an overall gene-level effect of FKBP5 in a GxE analysis of PTSD, evidence which may be used to address current issues in the FKBP5 GxE literature (e.g., disparate variants, low sample sizes and power), as well as inform follow-up functional research.
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Affiliation(s)
- Sage E. Hawn
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA,Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA,Corresponding author at: Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA. (S.E. Hawn)
| | - Christina M. Sheerin
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
| | - Mackenzie J. Lind
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
| | - Terrell A. Hicks
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA,Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA
| | - Marisa E. Marraccini
- School of Education, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Kaitlin Bountress
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
| | - Silviu-Alin Bacanu
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
| | - Nicole R. Nugent
- Bradley-Hasbro Children’s Research Center, Rhode Island Hospital, Providence, RI, USA,Departments of Psychiatry and Human Behavior and Pediatrics, Alpert Medical School of Brown University, Providence, RI, USA
| | - Ananda B. Amstadter
- Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA,Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA, USA
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Zuj DV, Norrholm SD. The clinical applications and practical relevance of human conditioning paradigms for posttraumatic stress disorder. Prog Neuropsychopharmacol Biol Psychiatry 2019; 88:339-351. [PMID: 30134147 DOI: 10.1016/j.pnpbp.2018.08.014] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 07/31/2018] [Accepted: 08/15/2018] [Indexed: 01/17/2023]
Abstract
The classical conditioning paradigm of fear learning has spawned a number of experimental variations for the explanation of posttraumatic stress disorder (PTSD) etiology. These paradigms include extinction learning and recall, fear inhibition, fear generalization, and conditioned avoidance. As such, each of these paradigms have significant applications for understanding the development, maintenance, treatment, and relapse of the fear-related features of PTSD. In the present review, we describe each of these conditioning-based paradigms with reference to the clinical applications, and supported by case examples from patients with severe PTSD symptoms. We also review the neurobiological models of conditioning and extinction in animals, psychiatrically healthy humans, and PTSD patients, and discuss the current balance of evidence suggesting a number of biological, behavioral, and cognitive mechanisms/moderators of the conditioning and extinction process in experimental and clinical contexts.
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Affiliation(s)
- Daniel V Zuj
- Department of Psychology, Swansea University, UK
| | - Seth Davin Norrholm
- Atlanta Veterans Affairs Medical Center, Mental Health Service Line, USA; Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, USA.
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Maples-Keller JL, Jovanovic T, Dunlop BW, Rauch S, Yasinski C, Michopoulos V, Coghlan C, Norrholm S, Rizzo AS, Ressler K, Rothbaum BO. When translational neuroscience fails in the clinic: Dexamethasone prior to virtual reality exposure therapy increases drop-out rates. J Anxiety Disord 2019; 61:89-97. [PMID: 30502903 DOI: 10.1016/j.janxdis.2018.10.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 10/11/2018] [Accepted: 10/24/2018] [Indexed: 10/28/2022]
Abstract
Posttraumatic stress disorder (PTSD) is characterized by exaggerated expression of fear responses to danger and safety cues. Translational research suggests that dexamethasone facilitates fear extinction in animal and human fear conditioning models. For this randomized, placebo-controlled trial (N = 27), we aimed to translate these findings to the clinic by using virtual reality exposure (VRE) therapy for OEF/OIF/OND veterans with PTSD to determine whether dexamethasone will increase the efficacy of exposure therapy for VRE relative to placebo. VRE sessions involved imaginal exposure to the most traumatic war memories while viewing a computer-generated view of virtual Iraq or Afghanistan with multisensory stimulus options used to match patient's description of the trauma. VRE was effective in reducing PTSD symptoms but there was no interaction with dexamethasone. Drop-out rate was significantly higher in the dexamethasone group, with 10 of 13 (76.9%) participants in this group discontinuing, compared to only 4 of 14 (28.5%) in the placebo group, χ2 = 6.31, p = 0.02. Results indicate that the dexamethasone group may have experienced an increase in PTSD symptoms, particularly re-experiencing, at session 2 following first drug administration. Contrary to study hypotheses, dexamethasone did not enhance exposure therapy outcomes and was associated with increased drop-out. This demonstrates potential pitfalls in translating neuroscience models to the clinic; future research carefully examining glucocorticoid mechanisms involved in therapy augmentation is warranted.
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Affiliation(s)
- Jessica L Maples-Keller
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States.
| | - Tanja Jovanovic
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Boadie W Dunlop
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Sheila Rauch
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Carly Yasinski
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Vasiliki Michopoulos
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Callan Coghlan
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Seth Norrholm
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
| | - Albert Skip Rizzo
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States; Department of Psychiatry and Behavioral Sciences, University of Southern California, United States; Department of Psychiatry, McLean Hospital/Harvard Medical School, United States
| | - Kerry Ressler
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States; Department of Psychiatry and Behavioral Sciences, University of Southern California, United States; Department of Psychiatry, McLean Hospital/Harvard Medical School, United States
| | - Barbara O Rothbaum
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, United States
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46
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Richter-Levin G, Stork O, Schmidt MV. Animal models of PTSD: a challenge to be met. Mol Psychiatry 2019; 24:1135-1156. [PMID: 30816289 PMCID: PMC6756084 DOI: 10.1038/s41380-018-0272-5] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 08/13/2018] [Accepted: 09/11/2018] [Indexed: 02/07/2023]
Abstract
Recent years have seen increased interest in psychopathologies related to trauma exposure. Specifically, there has been a growing awareness to posttraumatic stress disorder (PTSD) in part due to terrorism, climate change-associated natural disasters, the global refugee crisis, and increased violence in overpopulated urban areas. However, notwithstanding the increased awareness to the disorder, the increasing number of patients, and the devastating impact on the lives of patients and their families, the efficacy of available treatments remains limited and highly unsatisfactory. A major scientific effort is therefore devoted to unravel the neural mechanisms underlying PTSD with the aim of paving the way to developing novel or improved treatment approaches and drugs to treat PTSD. One of the major scientific tools used to gain insight into understanding physiological and neuronal mechanisms underlying diseases and for treatment development is the use of animal models of human diseases. While much progress has been made using these models in understanding mechanisms of conditioned fear and fear memory, the gained knowledge has not yet led to better treatment options for PTSD patients. This poor translational outcome has already led some scientists and pharmaceutical companies, who do not in general hold opinions against animal models, to propose that those models should be abandoned. Here, we critically examine aspects of animal models of PTSD that may have contributed to the relative lack of translatability, including the focus on the exposure to trauma, overlooking individual and sex differences, and the contribution of risk factors. Based on findings from recent years, we propose research-based modifications that we believe are required in order to overcome some of the shortcomings of previous practice. These modifications include the usage of animal models of PTSD which incorporate risk factors and of the behavioral profiling analysis of individuals in a sample. These modifications are aimed to address factors such as individual predisposition and resilience, thus taking into consideration the fact that only a fraction of individuals exposed to trauma develop PTSD. We suggest that with an appropriate shift of practice, animal models are not only a valuable tool to enhance our understanding of fear and memory processes, but could serve as effective platforms for understanding PTSD, for PTSD drug development and drug testing.
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Affiliation(s)
- Gal Richter-Levin
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel. .,The Integrated Brain and Behavior Research Center (IBBR), University of Haifa, Haifa, Israel. .,Psychology Department, University of Haifa, Haifa, Israel.
| | - Oliver Stork
- 0000 0001 1018 4307grid.5807.aDepartment of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke-University Magdeburg, Leipziger Str. 44, 39120 Magdeburg, Germany ,grid.452320.2Center for Behavioral Brain Sciences, Universitätsplatz 2, 39106 Magdeburg, Germany
| | - Mathias V. Schmidt
- 0000 0000 9497 5095grid.419548.5Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
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47
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Nedic Erjavec G, Svob Strac D, Tudor L, Konjevod M, Sagud M, Pivac N. Genetic Markers in Psychiatry. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1192:53-93. [PMID: 31705490 DOI: 10.1007/978-981-32-9721-0_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Psychiatric disorders such as addiction (substance use and addictive disorders), depression, eating disorders, schizophrenia, and post-traumatic stress disorder (PTSD) are severe, complex, multifactorial mental disorders that carry a high social impact, enormous public health costs, and various comorbidities as well as premature morbidity. Their neurobiological foundation is still not clear. Therefore, it is difficult to uncover new set of genes and possible genetic markers of these disorders since the understanding of the molecular imbalance leading to these disorders is not complete. The integrative approach is needed which will combine genomics and epigenomics; evaluate epigenetic influence on genes and their influence on neuropeptides, neurotransmitters, and hormones; examine gene × gene and gene × environment interplay; and identify abnormalities contributing to development of these disorders. Therefore, novel genetic approaches based on systems biology focused on improvement of the identification of the biological underpinnings might offer genetic markers of addiction, depression, eating disorders, schizophrenia, and PTSD. These markers might be used for early prediction, detection of the risk to develop these disorders, novel subtypes of the diseases and tailored, personalized approach to therapy.
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Affiliation(s)
- Gordana Nedic Erjavec
- Division of Molecular Medicine, Rudjer Boskovic Institute, Bijenicka 54, HR-10000, Zagreb, Croatia
| | - Dubravka Svob Strac
- Division of Molecular Medicine, Rudjer Boskovic Institute, Bijenicka 54, HR-10000, Zagreb, Croatia
| | - Lucija Tudor
- Division of Molecular Medicine, Rudjer Boskovic Institute, Bijenicka 54, HR-10000, Zagreb, Croatia
| | - Marcela Konjevod
- Division of Molecular Medicine, Rudjer Boskovic Institute, Bijenicka 54, HR-10000, Zagreb, Croatia
| | - Marina Sagud
- School of Medicine, University of Zagreb, Salata 2, HR-10000, Zagreb, Croatia
- Department of Psychiatry, University Hospital Centre Zagreb, Kispaticeva 12, HR-10000, Zagreb, Croatia
| | - Nela Pivac
- Division of Molecular Medicine, Rudjer Boskovic Institute, Bijenicka 54, HR-10000, Zagreb, Croatia.
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48
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Baker JD, Ozsan I, Rodriguez Ospina S, Gulick D, Blair LJ. Hsp90 Heterocomplexes Regulate Steroid Hormone Receptors: From Stress Response to Psychiatric Disease. Int J Mol Sci 2018; 20:ijms20010079. [PMID: 30585227 PMCID: PMC6337637 DOI: 10.3390/ijms20010079] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 12/14/2018] [Accepted: 12/17/2018] [Indexed: 01/30/2023] Open
Abstract
The hypothalamus-pituitary-adrenal (HPA) axis directly controls the stress response. Dysregulation of this neuroendocrine system is a common feature among psychiatric disorders. Steroid hormone receptors, like glucocorticoid receptor (GR), function as transcription factors of a diverse set of genes upon activation. This activity is regulated by molecular chaperone heterocomplexes. Much is known about the structure and function of these GR/heterocomplexes. There is strong evidence suggesting altered regulation of steroid receptor hormones by chaperones, particularly the 51 kDa FK506-binding protein (FKBP51), may work with environmental factors to increase susceptibility to various psychiatric illnesses including post-traumatic stress disorder (PTSD), major depressive disorder (MDD), and anxiety. This review highlights the regulation of steroid receptor dynamics by the 90kDa heat shock protein (Hsp90)/cochaperone heterocomplexes with an in depth look at how the structural regulation and imbalances in cochaperones can cause functional effects on GR activity. Links between the stress response and circadian systems and the development of novel chaperone-targeting therapeutics are also discussed.
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Affiliation(s)
- Jeremy D Baker
- USF Health Byrd Institute, Morsani College of Medicine, Department of Molecular Medicine, University of South Florida, 4001 East Fowler Ave, Tampa, FL 33613, USA.
| | - Ilayda Ozsan
- USF Health Byrd Institute, Morsani College of Medicine, Department of Molecular Medicine, University of South Florida, 4001 East Fowler Ave, Tampa, FL 33613, USA.
| | - Santiago Rodriguez Ospina
- USF Health Byrd Institute, Morsani College of Medicine, Department of Molecular Medicine, University of South Florida, 4001 East Fowler Ave, Tampa, FL 33613, USA.
| | - Danielle Gulick
- USF Health Byrd Institute, Morsani College of Medicine, Department of Molecular Medicine, University of South Florida, 4001 East Fowler Ave, Tampa, FL 33613, USA.
| | - Laura J Blair
- USF Health Byrd Institute, Morsani College of Medicine, Department of Molecular Medicine, University of South Florida, 4001 East Fowler Ave, Tampa, FL 33613, USA.
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49
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Memic A, Streit F, Hasandedic L, Witt SH, Strohmaier J, Rietschel M, Oruc L. Neurocognitive Endophenotypes of Schizophrenia and Bipolar Disorder and Possible Associations with FKBP Variant rs3800373. Med Arch 2018; 72:352-356. [PMID: 30524168 PMCID: PMC6282916 DOI: 10.5455/medarh.2018.72.352-356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Introduction Schizophrenia(SCZ) and Bipolar disorder (BD) are frequently occurring and impairing disorders that affect around 1% of the population. Important endophenotypes in the genetic research of SCZ and BD are cognitive functions. Core symptoms for SCZ and BD are impairments in working memory, declarative memory and attention, all of which fulfill the criteria for an endophenotype. The FK506 Binding Protein 5 (FKBP5) gene codes for a co-chaperone of the glucocorticoid receptor and has been reported to be associated with cognition. Aim The aims of our research were to determine the degree of cognitive impairment in patients suffering from SCZ and BD and to explore the association of the FKBP5 variant rs3800373 genotype with the cognitive endophenotypes. Material and Methods Patients and healthy controls were recruited over a period of two years from the Psychiatric Clinic, Clinical Center University of Sarajevo. Genotyping and neuropsychological assessments were performed for 263 subjects (129 SCZ, 53 BD, and 81 healthy controls [HC]). Neuropsychological assessments were performed for all patients with the Trail Making Test-A&B (TMT-A&B) and Digit-span forward&backwards tasks. The single nucleotide polymorphism (SNP) rs3800373 in the FKBP5 gene was genotyped using Infinium PsychArray Bead Chips. Results and Conclusion SCZ and BD patients performed lower than HC in the TMT-A&B and in the Digit-span backwards task, while no differences were observed between SCZ and BD patients. While SCZ patients performed lower than HC in the Digit-span forwards task, there were no differences between BD and HC or between BD and SCZ. Rs 3800373 was not associated with performance in the TMT-A&B or Digit-span forwards&backwards tasks. SCZ and BD share largely overlapping neurocognitive characteristics. Rs3800373 was not associated with performance in the neuropsychological tests. However, given the limited sample size, the results do not exclude an association with the rs3800373 variant in a larger sample. Furthermore, as the analysis was limited to one SNP, the results cannot be generalized to other genetic variants in FKBP5.
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Affiliation(s)
- Amra Memic
- Psychiatric Clinic, Clinical Center University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Fabian Streit
- Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Lejla Hasandedic
- Psychology Department, Faculty of Letters, Akdeniz University, Antalya, Turkey
| | - Stephanie H Witt
- Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Jana Strohmaier
- Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Marcella Rietschel
- Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Lilijana Oruc
- Psychiatric Clinic, Clinical Center University of Sarajevo, Sarajevo, Bosnia and Herzegovina
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50
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Young DA, Inslicht SS, Metzler TJ, Neylan TC, Ross JA. The effects of early trauma and the FKBP5 gene on PTSD and the HPA axis in a clinical sample of Gulf War veterans. Psychiatry Res 2018; 270:961-966. [PMID: 29576410 DOI: 10.1016/j.psychres.2018.03.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 02/01/2018] [Accepted: 03/11/2018] [Indexed: 12/21/2022]
Abstract
Previous research indicates that interactions between FKBP5 single nucleotide polymorphisms (SNPs) and child abuse are associated with posttraumatic stress disorder (PTSD) in adulthood. We examined the relationship between the T-allele of the rs1360780 FKBP5 SNP and child abuse on PTSD and the HPA axis in a clinical sample of Gulf War veterans. Genotyping was completed on 266 veterans and 174 veterans additionally participated in a low dose dexamethasone suppression test (DST). The CAPS was used to determine PTSD status and the THQ was used to determine child abuse operationalized as either childhood physical or sexual abuse. Hierarchical regression models were used to assess FKBP5 × child abuse interactions on PTSD, basal cortisol levels, and post DST cortisol levels. The FKBP5 risk allele and child abuse were separately associated with PTSD diagnosis. The risk allele was also associated with significantly lower cortisol levels at baseline. However, no significant FKBP5 × child abuse interaction on PTSD diagnosis, basal cortisol levels, or greater cortisol suppression was observed. Our results suggest that FKBP5 may be a viable biomarker for PTSD. Nonetheless, further work will be required to reconcile our findings with previous reports of an FKBP5 × child abuse interaction on posttraumatic stress response.
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Affiliation(s)
- Dmitri A Young
- Department of Mental Health, San Francisco Veterans Affairs Medical Center, 4150 Clement St. Bldg. 8., San Francisco, CA 94121, USA; School of Medicine, Department of Psychiatry, University of California, San Francisco, 401 Parnassus Ave. San Francisco, CA 94143, USA.
| | - Sabra S Inslicht
- Department of Mental Health, San Francisco Veterans Affairs Medical Center, 4150 Clement St. Bldg. 8., San Francisco, CA 94121, USA; School of Medicine, Department of Psychiatry, University of California, San Francisco, 401 Parnassus Ave. San Francisco, CA 94143, USA
| | - Thomas J Metzler
- School of Medicine, Department of Psychiatry, University of California, San Francisco, 401 Parnassus Ave. San Francisco, CA 94143, USA
| | - Thomas C Neylan
- Department of Mental Health, San Francisco Veterans Affairs Medical Center, 4150 Clement St. Bldg. 8., San Francisco, CA 94121, USA; School of Medicine, Department of Psychiatry, University of California, San Francisco, 401 Parnassus Ave. San Francisco, CA 94143, USA
| | - Jessica A Ross
- Department of Mental Health, San Francisco Veterans Affairs Medical Center, 4150 Clement St. Bldg. 8., San Francisco, CA 94121, USA
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