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bipolar disorder biomarkers

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https://www.readbyqxmd.com/read/29222987/frequency-and-correlates-of-tardive-dyskinesia-in-indian-patients-with-type-i-bipolar-disorder
#1
Tess Maria Rajan, Balaji Bharadwaj, Ravi Philip Rajkumar, Prashant Shankarrao Adole
BACKGROUND: Patients with Bipolar Disorder (BD) may have higher risk of Tardive Dyskinesia (TD). Theories for TD include inflammatory or oxidative stress and altered iron metabolism. The current frequency and clinical and biochemical correlates of TD in BD needs exploration. OBJECTIVES: To assess: (1) the frequency of TD in BD; (2) clinical correlates of TD in BD; (3) oxidative stress markers, inflammatory markers and hepcidin in TD in BD. MATERIALS & METHODS: In this cross-sectional study, 170 patients with BD were assessed for clinical characteristics using structured assessments...
December 5, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29199890/application-of-magnetic-resonance-spectroscopy-in-geriatric-mood-disorders
#2
Liana K Mathias, Patrick J Monette, David G Harper, Brent P Forester
The prevalence of mood disorders in the rapidly-growing older adult population merits attention due to the likelihood of increased medical comorbidities, risk of hospitalization or institutionalization, and strains placed on caregivers and healthcare providers. Magnetic resonance spectroscopy (MRS) quantifies biochemical compounds in vivo, and has been used specifically for analyses of neural metabolism and bioenergetics in older adults with mood disorders, usually via proton or phosphorous spectroscopy. While yet to be clinically implemented, data gathered from research subjects may help indicate potential biomarkers of disease state or trait or putative drug targets...
December 4, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/29199496/recent-trends-on-the-role-of-epigenomics-metabolomics-and-noncoding-rnas-in-rationalizing-mood-stabilizing-treatment
#3
Claudia Pisanu, Theodora Katsila, George P Patrinos, Alessio Squassina
Mood stabilizers are the cornerstone in treatment of mood disorders, but their use is characterized by high interindividual variability. This feature has stimulated intensive research to identify predictive biomarkers of response and disentangle the molecular bases of their clinical efficacy. Nevertheless, findings from studies conducted so far have only explained a small proportion of the observed variability, suggesting that factors other than DNA variants could be involved. A growing body of research has been focusing on the role of epigenetics and metabolomics in response to mood stabilizers, especially lithium salts...
December 4, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/29179585/immune-based-strategies-for-mood-disorders-facts-and-challenges
#4
Gabriela D Colpo, Marion Leboyer, Robert Dantzer, Mahdukar H Trivedi, Antonio L Teixeira
Inflammation seems to play a role in the pathophysiology of mood disorders, including major depressive disorder (MDD) and bipolar disorder (BD). In the last years several studies have shown increased levels of inflammatory and/or immune markers in patients with mood disorders. Accordingly, the immune system has become a target of interest for the development of biomarkers and therapeutics for mood disorders. Areas covered: Here, we review the evidence showing low-grade inflammation in mood disorders and the studies evaluating immune-based strategies for the treatment of these conditions...
November 27, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29179014/clinical-utility-of-biomarkers-of-the-hand-in-the-diagnosis-of-schizophrenia
#5
Yoav Domany, Anat Levy, Stanley Morris Cassan, Ricardo Tarrasch, Tova Lifshitz, Shaul Schreiber, Eyal Zvi Shamir
A number of biomarkers were assessed in photos and prints of the hands of 95 patients with a variety of mental disorders to determine whether patients with schizophrenia could be distinguished from the others. Patients were recruited as consecutive admissions from an outpatient psychiatric day hospital population. Fourteen patients were diagnosed with schizophrenia/schizoaffective disorder and 81 were diagnosed with other mental disorders. A discriminant analysis yielded an overall 80% correct classification, with a sensitivity (schizophrenia patients identified correctly) of 78...
November 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29173175/imaging-the-role-of-inflammation-in-mood-and-anxiety-related-disorders
#6
Jennifer C Felger
BACKGROUND: Studies investigating the impact of a variety of inflammatory stimuli on the brain and behavior have reported evidence that inflammation and release of inflammatory cytokines affect circuitry relevant to both reward and threat sensitivity to contribute to behavioral change. Of relevance to mood and anxiety-related disorders, biomarkers of inflammation such as inflammatory cytokines and acute-phase proteins are reliably elevated in a significant proportion of patients with major depressive disorder (MDD), bipolar disorder, anxiety disorders and post-traumatic stress disorder (PTSD)...
November 23, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/29148147/altered-n170-and-mood-symptoms-in-bipolar-disorder-an-electrophysiological-study-of-configural-face-processing
#7
Ivy F Tso, Tyler B Grove, Savanna A Mueller, Lisa O'Donnell, Jinsoo Chun, Melvin G McInnis, Patricia J Deldin
OBJECTIVES: Altered social behavior during mood episodes in bipolar disorder often has detrimental and long-lasting interpersonal consequences. Abnormal face processing may play a role in linking brain functions to clinical symptoms and behavior. This study aimed to understand configural face processing in bipolar disorder as a function of basic communicative attributes of the face and mood symptoms using event-related brain potentials (ERPs). METHODS: Forty-two participants with bipolar I disorder (BP) and 43 healthy controls (HC) viewed face stimuli varying in emotion (neutral or fearful), head orientation (forward or deviated), and gaze direction (direct or averted) while ERPs were recorded...
November 17, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/29137178/antidepressants-and-mood-stabilizers-novel-research-avenues-and-clinical-insights-for-bipolar-depression
#8
REVIEW
In Hee Shim, Young Sup Woo, Moon-Doo Kim, Won-Myong Bahk
The concept of the bipolar-spectrum and of mixed features being a bridge between major depressive disorders and bipolar disorders (BDs) has become increasingly important in mood-disorder diagnoses. Under these circumstances, antidepressants (ADs) and mood stabilizers (MSs) should be used with caution in the treatment of major depressive episodes (MDEs) and to obtain long-term stability in BDs. Before treating MDEs, screening tools, specific symptom evaluation and medical history should be used to distinguish between bipolarity and mixed features in patients for whom AD monotherapy may present a risk...
November 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29120844/prevalence-and-clinical-demographic-correlates-of-hyperhomocysteinemia-in-inpatients-with-bipolar-disorder-in-a-han-chinese-population
#9
Shuang-Jiang Zhou, Li-Gang Zhang, Hong-Mei Chen, Ju-Yan Li, Ran Li, Xi-Mei Zhang, Ning Wang, Jair C Soares, Ryan M Cassidy, Yingjun Zheng, Yuping Ning, Shao-Li Wang, Jing-Xu Chen, Xiang-Yang Zhang
Recent studies have reported that hyperhomocystinemia (HHcy) is highly prevalent in patients with bipolar disorder (BD), placing them at greater risk of cardiovascular disease and possibly serving as a disease biomarker. However, the correlation of HHcy with demographic or clinical parameters is not well known. In this study, we examined the prevalence of HHcy and its association with these parameters in a sample of Chinese BD patients. Fasting plasma homocysteine (Hcy) levels were determined in 198 BD inpatients and 84 healthy controls...
August 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29108106/measurement-tools-for-assessment-of-older-age-bipolar-disorder-a-systematic-review-of-the-recent-global-literature
#10
Soham Rej, William Quayle, Brent P Forester, Annemiek Dols, Jennifer Gatchel, Peijun Chen, Sarah Gough, Rebecca Fox, Martha Sajatovic, Sergio A Strejilevich, Lisa T Eyler
OBJECTIVES: More than 50% of people with bipolar disorder will be age 60 years or older by 2030. There is a need for more data to guide assessment and treatment in older age bipolar disorder (OABD); however, interpretation of findings from small, single-site studies may not be generalizable and there are few large trials. As a step in the direction of coordinated large-scale OABD data collection, it is critical to identify which measurements are currently used and identify potential gaps in domains typically assessed...
November 6, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/29102659/regulation-of-inflammatory-pathways-in-schizophrenia-a-comparative-study-with-bipolar-disorder-and-healthy-controls
#11
L García-Álvarez, J R Caso, M P García-Portilla, L de la Fuente-Tomás, L González-Blanco, P Sáiz Martínez, J C Leza, J Bobes
BACKGROUND: Immune-inflammatory processes have been implicated in schizophrenia (SCH), but their specificity is not clear. MAIN AIM: To identify potential differential intra-/intercellular biochemical pathways controlling immune-inflammatory response and their oxidative-nitrosative impact on SCH patients, compared with bipolar disorder (BD) patients and healthy controls (HC). METHODS: Cross-sectional, naturalistic study of a cohort of SCH patients (n=123) and their controls [BD (n=102) and HC (n=80)]...
October 18, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29042527/-biomarkers-for-mood-disorders-and-a-novel-antidepressant-r-ketamine
#12
Kenji Hashimoto
Depression is often misdiagnosed as major depressive disorder in patients with bipolar disorder. Therapeutic drugs for these two disorders are quite different, but the anesthetic ketamine shows fast-acting antidepressant effects in treatment-resistant patients with these disorders. Here, we discuss biomarkers for both disorders, recent findings regarding ketamine, and predictable biomarkers for ketamine's antidepressant actions.
October 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29040586/plasma-nervonic-acid-is-a-potential-biomarker-for-major-depressive-disorder-a-pilot-study
#13
Yuki Kageyama, Takaoki Kasahara, Takemichi Nakamura, Kotaro Hattori, Yasuhiko Deguchi, Munehide Tani, Kenji Kuroda, Sumiko Yoshida, Yu-Ichi Goto, Koki Inoue, Tadafumi Kato
Background: Diagnostic biomarkers of major depressive disorder (MDD), bipolar disorder (BD), and schizophrenia (SZ) are urgently needed because none are currently available. Methods: We performed a comprehensive metabolome analysis of plasma samples from drug-free patients with MDD (n = 9), BD (n = 6), SZ (n = 17), and matched healthy controls (n = 19) (cohort 1), using liquid chromatography time-of-flight mass spectrometry. A significant effect of diagnosis was found for two metabolites: nervonic acid and cortisone, with nervonic acid being the most significantly altered...
October 6, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28986182/on-the-transdiagnostic-nature-of-peripheral-biomarkers-in-major-psychiatric-disorders-a-systematic-review
#14
REVIEW
Jairo Vinícius Pinto, Thiago C Moulin, Olavo B Amaral
The search for biomarkers has been a leading endeavor in biological psychiatry. To analyze its evolution over the years, we performed a systematic review to evaluate (a) the most studied peripheral molecular markers in major psychiatric disorders, (b) the main features of studies proposing them as biomarkers and (c) whether their patterns of variation are similar across disorders. Of the six molecules most commonly studied as plasmatic markers of schizophrenia, major depressive disorder or bipolar disorder, five (BDNF, TNF-alpha, IL-6, C-reactive protein and cortisol) were the same across diagnoses...
October 3, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28969861/the-mirnome-of-bipolar-disorder
#15
REVIEW
Gabriel R Fries, Andre F Carvalho, Joao Quevedo
BACKGROUND: Epigenetic mechanisms have been suggested to play a key role in the pathophysiology of bipolar disorder (BD), among which microRNAs (miRNAs) may be of particular significance according to recent studies. We aimed to summarize miRNA studies in BD to identify consistent findings, limitations, and future directions of this emerging field. METHODS: We performed a comprehensive search on PUBMED and Medline for studies investigating an association between BD and miRNAs...
September 23, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28968199/meta-analysis-of-central-and-peripheral-%C3%AE-aminobutyric-acid-levels-in-patients-with-unipolar-and-bipolar-depression
#16
Bruno Romeo, Walid Choucha, Philippe Fossati, Jean-Yves Rotge
BACKGROUND: Many studies have measured central and peripheral γ-aminobutyric acid (GABA) levels in patients with depression. We performed a meta-analysis to provide an objective overview of GABA changes in those with unipolar or bipolar depression. METHODS: After a systematic database search, original data were extracted with the help of seminal authors to calculate standardized mean differences. We compared GABA levels between patients with current major depressive episodes and controls, between euthymic patients and controls, and in patients before and after treatment...
October 2, 2017: Journal of Psychiatry & Neuroscience: JPN
https://www.readbyqxmd.com/read/28960527/diffusion-entropy-a-potential-neuroimaging-biomarker-of-bipolar-disorder-in-the-temporal-pole
#17
Karl Spuhler, Elizabeth Bartlett, Jie Ding, Christine DeLorenzo, Ramin Parsey, Chuan Huang
Despite much research, bipolar depression remains poorly understood, with no clinically useful biomarkers for its diagnosis. The paralimbic system has become a target for biomarker research, with paralimbic structural connectivity commonly reported to distinguish bipolar patients from controls in tractography-based diffusion MRI studies, despite inconsistent findings in voxel-based studies. The purpose of this analysis was to validate existing findings with traditional diffusion MRI metrics and investigate the utility of a novel diffusion MRI metric, entropy of diffusion, in the search for bipolar depression biomarkers...
September 28, 2017: Synapse
https://www.readbyqxmd.com/read/28944987/the-international-society-for-bipolar-disorders-task-force-report-on-pediatric-bipolar-disorder-knowledge-to-date-and-directions-for-future-research
#18
Benjamin I Goldstein, Boris Birmaher, Gabrielle A Carlson, Melissa P DelBello, Robert L Findling, Mary Fristad, Robert A Kowatch, David J Miklowitz, Fabiano G Nery, Guillermo Perez-Algorta, Anna Van Meter, Cristian P Zeni, Christoph U Correll, Hyo-Won Kim, Janet Wozniak, Kiki D Chang, Manon Hillegers, Eric A Youngstrom
OBJECTIVES: Over the past two decades, there has been tremendous growth in research regarding bipolar disorder (BD) among children and adolescents (ie, pediatric BD [PBD]). The primary purpose of this article is to distill the extant literature, dispel myths or exaggerated assertions in the field, and disseminate clinically relevant findings. METHODS: An international group of experts completed a selective review of the literature, emphasizing areas of consensus, identifying limitations and gaps in the literature, and highlighting future directions to mitigate these gaps...
September 25, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28929992/mood-disorders-and-circulating-levels-of-inflammatory-markers-in-a-longitudinal-population-based-study
#19
J Glaus, R von Känel, A M Lasserre, M-P F Strippoli, C L Vandeleur, E Castelao, M Gholam-Rezaee, C Marangoni, E-Y N Wagner, P Marques-Vidal, G Waeber, P Vollenweider, M Preisig, K R Merikangas
BACKGROUND: There has been increasing evidence that chronic low-grade inflammation is associated with mood disorders. However, the findings have been inconsistent because of heterogeneity across studies and methodological limitations. Our aim is to prospectively evaluate the bi-directional associations between inflammatory markers including interleukin (IL)-6, tumor necrosis factor (TNF)-α and high sensitivity C-reactive protein (hsCRP) with mood disorders. METHODS: The sample consisted of 3118 participants (53...
September 20, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28910601/identification-of-plasma-biomarkers-for-distinguishing-bipolar-depression-from-major-depressive-disorder-by-itraq-coupled-lc-ms-ms-and-bioinformatics-analysis
#20
Juanjuan Ren, Guoqing Zhao, Xiujia Sun, Hongmei Liu, Ping Jiang, Jun Chen, Zhiguo Wu, Daihui Peng, Yiru Fang, Chen Zhang
It is important to differentiate between bipolar disorder (BD) and major depressive disorder (MDD) in the first depressive episode because of the potential treatment implications. Previous studies have mainly focused on the different clinical features or pathological biomarkers to distinguish these two diseases; however, a better understanding of the proteomics profiling of BD may help aid future therapeutic strategies. Here, we applied isobaric tags for relative and absolute quantification (iTRAQ) technology combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) to identify differentially expressed proteins between MDD and bipolar depression (BP)...
December 2017: Psychoneuroendocrinology
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