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Conversion Disorder

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https://www.readbyqxmd.com/read/29783162/a-peripheral-immune-response-to-remembering-trauma-contributes-to-the-maintenance-of-fear-memory-in-mice
#1
Matthew B Young, Leonard L Howell, Lauren Hopkins, Cassandra Moshfegh, Zhe Yu, Lauren Clubb, Jessica Seidenberg, Jeanie Park, Adam P Swiercz, Paul J Marvar
Alterations in peripheral immune markers are observed in individuals with post-traumatic stress disorder (PTSD). PTSD is characterized in part by impaired extinction of fear memory for a traumatic experience. We hypothesized that fear memory extinction is regulated by immune signaling stimulated when fear memory is retrieved. The relationship between fear memory and the peripheral immune response was tested using auditory Pavlovian fear conditioning in mice. Memory for the association was quantified by the amount of conditioned freezing exhibited in response to the conditioned stimulus (CS), extinction and time-dependent changes in circulating inflammatory cytokines...
May 17, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29781244/oprm1-influence-on-and-effectiveness-of-an-individualized-treatment-plan-for-prescription-opioid-use-disorder-patients
#2
Javier Muriel, César Margarit, Beatriz Planelles, María J Serralta, Carmen Puga, María-Del-Mar Inda, Esperanza Cutillas, Domingo Morales, José F Horga, Ana M Peiró
Screening for opioid use disorder should be considered in chronic non-cancer pain (CNCP) patients with long-term use of opioids. The aim of our study was to assess the effectiveness of an individualized treatment plan (ITP) for prescription opioid dependence that included screening of pharmacogenetic markers. An observational prospective study was performed using prescription opioid-dependent CNCP outpatients (n = 88). Patients were divided into nonresponders, responders, or high responders according to their response to the ITP...
May 20, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29780430/healthcare-professionals-perceptions-on-the-emotional-impact-of-having-an-inadequate-response-to-antidepressant-medications-survey-and-prospective-patient-audit
#3
Rajnish Mago, Andrea Fagiolini, Emmanuelle Weiller, Catherine Weiss
Background: Despite the availability of effective antidepressants, about half of patients with major depressive disorder (MDD) display an inadequate response to their initial treatment. A large patient survey recently reported that 29.8% of MDD patients experiencing an inadequate treatment response felt frustrated about their medication and 19.2% were frustrated with their healthcare provider. This survey and chart audit evaluated healthcare professionals' (HCP) views on the emotional impact of having an inadequate response to antidepressant medication...
2018: Annals of General Psychiatry
https://www.readbyqxmd.com/read/29780064/systemic-lupus-erythematosus-and-sj%C3%A3-gren-s-syndrome-complicated-by-conversion-disorder-a-case-report
#4
Misa Nakamura, Seiji Tanaka, Tadashi Inoue, Yasuto Maeda, Kiyohito Okumiya, Takuya Esaki, G O Shimomura, Kenji Masunaga, Shinichiro Nagamitsu, Yushiro Yamashita
Conversion disorder (CD) is sometimes accompanied by motor and sensory impairments, such as muscle weakness, paralysis, sensory hypersensitivity, and sensory loss. Sjögren's syndrome (SS) complicates 5-10% of cases of systemic lupus erythematosus (SLE). Patients with SS or SLE present with various neurological symptoms and psychiatric manifestations. When neurological symptoms are present, it is important to distinguish whether the symptoms are caused by a neurological or a mental disorder because the former requires early intensive intervention, such as methylprednisolone pulse therapy (MPT), whereas psychotherapy or antidepressant drugs are recommended for mental disorders...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29779726/multimodal-connectomics-in-psychiatry-bridging-scales-from-micro-to-macro
#5
REVIEW
Lianne H Scholtens, Martijn P van den Heuvel
The human brain is a highly complex system, with a large variety of microscale cellular morphologies and macroscale global properties. Working at multiple scales, it forms an efficient system for processing and integration of multimodal information. Studies have repeatedly demonstrated strong associations between modalities of both microscales and macroscales of brain organization. These consistent observations point toward potential common organization principles where regions with a microscale architecture supportive of a larger computational load have more and stronger connections in the brain network on the macroscale...
April 19, 2018: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29773831/dnajc17-is-localized-in-nuclear-speckles-and-interacts-with-splicing-machinery-components
#6
A Pascarella, G Ferrandino, S C Credendino, C Moccia, F D'Angelo, B Miranda, C D'Ambrosio, P Bielli, O Spadaro, M Ceccarelli, A Scaloni, C Sette, M De Felice, G De Vita, E Amendola
DNAJC17 is a heat shock protein (HSP40) family member, identified in mouse as susceptibility gene for congenital hypothyroidism. DNAJC17 knockout mouse embryos die prior to implantation. In humans, germline homozygous mutations in DNAJC17 have been found in syndromic retinal dystrophy patients, while heterozygous mutations represent candidate pathogenic events for myeloproliferative disorders. Despite widespread expression and involvement in human diseases, DNAJC17 function is still poorly understood. Herein, we have investigated its function through high-throughput transcriptomic and proteomic approaches...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773292/health-related-quality-of-life-measurement-in-patients-with-chronic-respiratory-failure
#7
REVIEW
Toru Oga, Wolfram Windisch, Tomohiro Handa, Toyohiro Hirai, Kazuo Chin
The improvement of health-related quality of life (HRQL) is an important goal in managing patients with chronic respiratory failure (CRF) receiving long-term oxygen therapy (LTOT) and/or domiciliary noninvasive ventilation (NIV). Two condition-specific HRQL questionnaires have been developed to specifically assess these patients: the Maugeri Respiratory Failure Questionnaire (MRF) and the Severe Respiratory Insufficiency Questionnaire (SRI). The MRF is more advantageous in its ease of completion; conversely, the SRI measures diversified health impairments more multi-dimensionally and discriminatively with greater balance, especially in patients receiving NIV...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29770362/study-of-anti-m%C3%A3-llerian-hormone-levels-in-patients-with-myotonic-dystrophy-type-1-preliminary-results
#8
Manuela Ergoli, Massimo Venditti, Raffaele Dotolo, Esther Picillo, Sergio Minucci, Luisa Politano
Myotonic dystrophy type 1 is a multisystemic disorder characterized by myotonia, muscle weakness and involvement of several organs and apparatus such as heart, lungs, eye, brain and endocrine system. Hypogonadism and reproductive abnormalities are frequently reported. A progressive testicular atrophy occurs in about 80% in the affected males leading to Leydig cell hyperproliferation and elevated basal follicle stimulating hormone (FSH) levels. Anti-Müllerian hormone (AMH) - a dimeric glycoprotein belonging to the super-family of transforming grow factor beta (TGF-beta) - is the earliest Sertoli cell hormone secreted in males and, together with inhibin B and FSH, is an important indicator of Sertoli cell function...
December 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29769726/microglial-control-of-astrocytes-in-response-to-microbial-metabolites
#9
Veit Rothhammer, Davis M Borucki, Emily C Tjon, Maisa C Takenaka, Chun-Cheih Chao, Alberto Ardura-Fabregat, Kalil Alves de Lima, Cristina Gutiérrez-Vázquez, Patrick Hewson, Ori Staszewski, Manon Blain, Luke Healy, Tradite Neziraj, Matilde Borio, Michael Wheeler, Loic Lionel Dragin, David A Laplaud, Jack Antel, Jorge Ivan Alvarez, Marco Prinz, Francisco J Quintana
Microglia and astrocytes modulate inflammation and neurodegeneration in the central nervous system (CNS)1-3 . Microglia modulate pro-inflammatory and neurotoxic activities in astrocytes, but the mechanisms involved are not completely understood4,5 . Here we report that TGFα and VEGF-B produced by microglia regulate the pathogenic activities of astrocytes in the experimental autoimmune encephalomyelitis (EAE) mouse model of multiple sclerosis. Microglia-derived TGFα acts via the ErbB1 receptor in astrocytes to limit their pathogenic activities and EAE development...
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29768039/loss-of-sonic-hedgehog-gene-leads-to-muscle-development-disorder-and-megaesophagus-in-mice
#10
Xueting Jia, Li Min, Shengtao Zhu, Shutian Zhang, Xiaofeng Huang
Sonic hedgehog ( Shh) is crucial for organogenesis in the foregut. This study investigated the function of Shh at the late-gestational stage; during which, the esophagus continues to differentiate. We established cytokeratin 14 ( CK14)-Cre;Shhfl/fl mice in which the down-regulation of Shh in the epithelium occurred at approximately the same time as esophageal muscle conversion. Hematoxylin and eosin and immunohistochemical staining, with antibodies against keratin 14, Shh, patched 1 (Ptch1), Gli1, proliferating cell nuclear antigen (PCNA), α-smooth muscle actin (αSMA), high-molecular-weight caldesmon (hCD), myogenin, paired box 7 (Pax7), β3-tubulin, and protein gene product 9...
May 16, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29764988/you-ve-made-the-diagnosis-of-functional-neurological-disorder-now-what
#11
EDITORIAL
Caitlin Adams, Jordan Anderson, Elizabeth N Madva, W Curt LaFrance, David L Perez
Patients with functional neurological disorders (FND)/conversion disorder commonly present to outpatient clinics. FND is now a 'rule in' diagnosis based on neurological examination findings and semiological features. While neurologists may be more comfortable diagnosing patients with FND, there is only limited guidance as to how to conduct follow-up outpatient visits. Using clinical vignettes, we provide practical suggestions that may help guide clinical encounters including how to: (1) explore illness beliefs openly; (2) enquire longitudinally about predisposing vulnerabilities, acute precipitants and perpetuating factors that may be further elucidated over time; (3) facilitate psychotherapy engagement by actively listening for potentially unhelpful or maladaptive patterns of thoughts, behaviours, fears or psychosocial stressors that can be reflected back to the patient and (4) enquire about the fidelity of individual treatments and educate other providers who may be less familiar with FND...
May 15, 2018: Practical Neurology
https://www.readbyqxmd.com/read/29763636/inhibition-of-cox-2-mpges-1-and-5-lox-in-macrophages-by-leonurine-ameliorates-monosodium-urate-crystal-induced-inflammation
#12
Yanzhuo Liu, Chenfan Duan, Honglei Chen, Chenlong Wang, Xiaoxiao Liu, Miao Qiu, Honglin Tang, Feng Zhang, Xiaoyang Zhou, Jing Yang
Cyclooxygenase-2 (COX-2), 5-lipoxygenase (5-LOX) and microsomal prostaglandin E synthase-1 (mPGES-1)-derived eicosanoids play an essential role in human inflammatory disorders. Here, we investigated whether inhibition of COX-2/mPGES-1 and 5-LOX in macrophages by leonurine ameliorates monosodium urate (MSU) crystal-induced inflammation. Virtual screening assay and in vitro enzyme inhibition assay showed that leonurine was a potential inhibitor of COX-2, mPGES-1 and 5-LOX. Compared with COX-2 inhibitor celecoxib, leonurine (30 mg/kg) significantly decreased ankle perimeter, gait score and neutrophil number in synovial fluid in MSU crystal-treated rats, accompanied with the decreased expression of COX-2, mPGES-1 and 5-LOX and production of prostaglandin E2 (PGE2 ) and leukotriene B4 (LTB4 ) in the synovial fluid macrophages...
May 15, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29761558/synthesis-and-characterization-of-a-deuterium-labeled-stercobilin-a-potential-biomarker-for-autism
#13
J M Coffey, A Vadas, Y Puleo, K Lewis, G Pirone, H L Rudolph, E Helms, T D Wood, A Flynn-Charlebois
Stercobilin is an end-stage metabolite of hemoglobin, a component of red blood cells. It has been found that there is a significantly lower concentration of stercobilin in the urine of people diagnosed with Autism Spectrum Disorders (ASD), suggesting potential utility as a biomarker. In vitro, we have synthesized stercobilin from its precursor bilirubin through a reduction reaction proceeded by an oxidation reaction. In addition, we have isotopically labeled the stercobilin product with deuterium using this protocol...
May 14, 2018: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/29761553/method-to-estimate-the-approximate-samples-size-that-yield-a-certain-number-of-significant-gwas-signals-in-polygenic-traits
#14
Silviu-Alin Bacanu, Kenneth S Kendler
To argue for increased sample collection for disorders without significant findings, researchers resorted to plotting, for multiple traits, the number of significant findings as a function of the sample size. However, for polygenic traits, the prevalence of the disorder confounds the relationship between the number of significant findings and the sample size. To adjust the number of significant findings for prevalence, we develop a method that uses the expected noncentrality of the contrast between liabilities of cases and controls...
May 14, 2018: Genetic Epidemiology
https://www.readbyqxmd.com/read/29761539/-fat-is-really-a-four-letter-word-exploring-weight-related-communication-best-practices-in-children-with-and-without-disabilities-and-their-caregivers
#15
A C McPherson, T J Knibbe, M Oake, J A Swift, N Browne, G D C Ball, J Hamilton
BACKGROUND: Health care professionals play a critical role in preventing and managing childhood obesity, but the American Academy of Pediatrics recently stressed the importance of using sensitive and nonstigmatizing language when discussing weight with children and families. Although barriers to weight-related discussions are well known, there are few evidence-based recommendations around communication best practices. Disability populations in particular have previously been excluded from work in this area...
May 15, 2018: Child: Care, Health and Development
https://www.readbyqxmd.com/read/29760253/deprescribing-benzodiazepine-receptor-agonists-evidence-based-clinical-practice-guideline
#16
Kevin Pottie, Wade Thompson, Simon Davies, Jean Grenier, Cheryl A Sadowski, Vivian Welch, Anne Holbrook, Cynthia Boyd, Robert Swenson, Andy Ma, Barbara Farrell
OBJECTIVE: To develop an evidence-based guideline to help clinicians make decisions about when and how to safely taper and stop benzodiazepine receptor agonists (BZRAs); to focus on the highest level of evidence available and seek input from primary care professionals in the guideline development, review, and endorsement processes. METHODS: The overall team comprised 8 clinicians (1 family physician, 2 psychiatrists, 1 clinical psychologist, 1 clinical pharmacologist, 2 clinical pharmacists, and 1 geriatrician) and a methodologist; members disclosed conflicts of interest...
May 2018: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/29758260/quality-control-of-membraneless-organelles
#17
REVIEW
Simon Alberti, Serena Carra
The formation of membraneless organelles (MLOs) by phase separation has emerged as a new way of organizing the cytoplasm and nucleoplasm of cells. Examples of MLOs forming via phase separation are nucleoli in the nucleus and stress granules in the cytoplasm. The main components of these MLOs are macromolecules such as RNAs and proteins. In order to assemble by phase separation, these proteins and RNAs have to undergo many cooperative interactions. These cooperative interactions are supported by specific molecular features within phase-separating proteins, such as multivalency and the presence of disordered domains that promote weak and transient interactions...
May 11, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29757355/a-prospective-study-to-monitor-for-tuberculosis-during-anti-tumour-necrosis-factor-therapy-in-patients-with-inflammatory-bowel-disease-and-immune-mediated-inflammatory-diseases
#18
Choon Kin Lee, Sunny H Wong, Grace Lui, Whitney Tang, Lai San Tam, Margaret Ip, Esther Hung, Minhu Chen, Justin C Wu, Siew C Ng
Background: Biologic therapies have revolutionised the treatment of immune- mediated diseases including inflammatory bowel disease (IBD) and rheumatological disorders. However, biologic treatments are associated with an increased risk of reactivation of latent tuberculosis. Data of regular monitoring for latent tuberculosis infection (LTBI) during biologic treatment are lacking. Methods: Consecutive patients eligible for biologic therapies were screened for LTBI and prospectively followed-up for 3 years...
May 11, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29756356/neuroimaging-abnormalities-in-individuals-exhibiting-parkinson-s-disease-risk-markers
#19
Marcus Heldmann, Janna Heeren, Christine Klein, Linus Rauch, Johann Hagenah, Thomas F Münte, Meike Kasten, Norbert Brüggemann
BACKGROUND: The concept of prodromal Parkinson's disease (PD) involves variable combinations of nonmotor features and subtle motor abnormalities as a result of ongoing neurodegeneration in the brain stem including substantia nigra (SN) and abnormal findings upon transcranial sonography and nuclear imaging. Except for nuclear imaging, the predictive value of risk markers for the conversion to overt PD is low. OBJECTIVE: The objective of this study was to determine whether PD risk markers are associated with changes in brain structure and to what extent cognitive changes are risk markers for PD...
May 14, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29755644/potential-implication-of-sgk1-dependent-activity-change-in-bv-2-microglial-cells
#20
Hayato Asai, Koichi Inoue, Eisuke Sakuma, Yoshiaki Shinohara, Takatoshi Ueki
It has recently been established that microglial activation is involved in the pathophysiology of various neurological and psychiatric disorders such as amyotrophic lateral sclerosis and schizophrenia. The pathological molecular machineries underlying microglial activation and its accelerating molecules have been precisely described in the diseased central nervous system (CNS). However, to date, the details of physiological mechanism, which represses microglial activation, are still to be elucidated. Our latest report demonstrated that serum- and glucocorticoid-inducible kinases (SGK1 and SGK3) were expressed in multiple microglial cell lines, and their inhibitor enhanced the toxic effect of lipopolysaccharide on microglial production of inflammatory substances such as TNFα and iNOS...
2018: International Journal of Physiology, Pathophysiology and Pharmacology
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