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serotonin syndrome

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https://www.readbyqxmd.com/read/28540658/overexpression-of-the-dyrk1a-gene-dual-specificity-tyrosine-phosphorylation-regulated-kinase-1a-induces-alterations-of-the-serotoninergic-and-dopaminergic-processing-in-murine-brain-tissues
#1
Jacqueline London, Claude Rouch, Linh Chi Bui, Elodie Assayag, Benoit Souchet, Fabrice Daubigney, Hind Medjaoui, Serge Luquet, Christophe Magnan, Jean Maurice Delabar, Julien Dairou, Nathalie Janel
Trisomy 21 (T21) or Down syndrome (DS) is the most common genetic disorder associated with intellectual disability and affects around 5 million persons worldwide. Neuroanatomical phenotypes associated with T21 include slight reduction of brain size and weight, abnormalities in several brain areas including spines dysgenesis, dendritic morphogenesis, and early neuroanatomical characteristics of Alzheimer's disease. Monoamine neurotransmitters are involved in dendrites development, functioning of synapses, memory consolidation, and their levels measured in the cerebrospinal fluid, blood, or brain areas that are modified in individuals with T21...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28515500/comment-on-probable-tapentadol-associated-serotonin-syndrome-after-overdose
#2
Marc Russo, Danielle Santarelli, Geoff Isbister
No abstract text is available yet for this article.
April 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28515499/comment-on-tapentadol-and-serotonin-syndrome
#3
Michael E Mullins, William H Dribben
No abstract text is available yet for this article.
April 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28511631/reversible-cerebral-vasoconstriction-syndrome-in-pediatrics-a-case-series-and-review
#4
Samantha W Coffino, Robert H Fryer
Reversible cerebral vasoconstriction syndrome is a transient vasculopathy associated with severe headaches and stroke. In most cases of reversible cerebral vasoconstriction syndrome, there is a precipitating event or trigger, such as pregnancy, serotonin agonist treatment or illicit drug use. The authors present 2 pediatric cases of reversible cerebral vasoconstriction syndrome and review the previous 11 pediatric cases in the literature. In many instances, the clinical and radiographic features are similar in both pediatric and adult cases...
June 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28507564/management-of-the-hormonal-syndrome-of-neuroendocrine-tumors
#5
Paweł Gut, Joanna Waligórska-Stachura, Agata Czarnywojtek, Nadia Sawicka-Gutaj, Maciej Bączyk, Katarzyna Ziemnicka, Jakub Fischbach, Kosma Woliński, Jarosław Kaznowski, Elżbieta Wrotkowska, Marek Ruchała
Gastroenteropancreatic neuroendocrine tumors (GEP/NET) are unusual and rare neoplasms that present many clinical challenges. They characteristically synthesize store and secrete a variety of peptides and neuroamines which can lead to the development of distinct clinical syndrome, however many are clinically silent until late presentation with mass effects. Management strategies include surgery cure and cytoreduction with the use of somatostatin analogues. Somatostatin have a broad range of biological actions that include inhibition of exocrine and endocrine secretions, gut motility, cell proliferation, cell survival and angiogenesis...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28503727/serotonin-norepinephrine-reuptake-inhibitors-and-the-influence-of-binding-affinity-ki-on-analgesia
#6
M Raouf, A J Glogowski, J J Bettinger, J Fudin
WHAT IS KNOWN AND OBJECTIVE: Serotonin-norepinephrine reuptake inhibitors (SNRIs) are commonly used for various psychiatric conditions and neuropathic pain syndromes. SNRIs inhibit the reuptake of serotonin (5-HT) and norepinephrine (NE); however, NE reuptake inhibition is thought to be the primary mediator for their analgesic effect. COMMENT: Key differences in pharmacodynamics and receptor affinities exist between SNRIs. The selectivity for each monoamine differs among SNRIs based on the agent's affinity and activity at the monoamine reuptake transporter...
May 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28498087/an-expert-opinion-on-pandas-pans-highlights-and-controversies
#7
Francesca Chiarello, Silvia Spitoni, Eric Hollander, Marco Matucci Cerinic, Stefano Pallanti
OBJECTIVES: 'Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections' (PANDAS) identified a unique subgroup of patients with abrupt onset of obsessive compulsive disorder (OCD) symptoms clinically related to Streptococcus infection and accompanied by neuropsychological and motor symptoms. After almost 20 years, PANDAS has not been accepted as distinct disorder and new criteria for paediatric acute-onset neuropsychiatric syndrome (PANS) have been replaced it, highlighting the fact that several agents rather than only Streptococcus might be involved...
February 13, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28496495/cortical-alpha-activity-in-schizoaffective-patients
#8
Mahdi Moeini, Ali Khaleghi, Mohammad Reza Mohammadi, Hadi Zarafshan, Rachel L Fazio, Hamid Majidi
Objective: Electrophysiological studies have identified abnormal oscillatory activities in the cerebral cortex in schizophrenia and mood disorders. Biological and pathophysiological evidence suggests specific deficits in serotonin (5-HT) receptor function in schizoaffective disorder (SA), a clinical syndrome with characteristics of both schizophrenia and bipolar disorder. This study investigated alpha oscillations in patients with SA. Method: Electroencephalography was used to measure ongoing and evoked alpha oscillations in 38 adults meeting Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (DSM-IV) criteria for SA, and in 39 healthy controls...
January 2017: Iranian Journal of Psychiatry
https://www.readbyqxmd.com/read/28483790/effect-of-hormone-secretory-syndromes-on-neuroendocrine-tumor-prognosis
#9
Wouter T Zandee, Kimberly Kamp, R C S van Adrichem, R A Feelders, Wouter W de Herder
The treatment of hormone hypersecretory syndromes caused by neuroendocrine tumors (NETs) can be a major challenge. NETs originating from the small intestine often secrete serotonin causing flushing, diarrhea and valve fibrosis, leading to dehydration or heart failure in severe cases. NETs from the pancreas can secrete a wider variety of hormones, like insulin, glucagon and gastrin leading to distinct clinical syndromes. Historically mortality in patients with functioning NETs was high due to the complications caused by the hypersecretion of hormones...
May 8, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28483714/purposeless-oral-activity-induced-by-meta-chlorophenylpiperazine-m-cpp-undefined-tic-like-behaviors
#10
Deborah S Kreiss, Philippe De Deurwaerdère
BACKGROUND: The pathophysiological hypothesis underlying tic disorders in Tourette syndrome (TS) is that basal ganglia are not capable of properly filtering cortical information, leading patients with difficulties in inhibiting unwanted behaviors or impulses. One of the main challenges for furthering such a hypothesis is to find appropriate animal models summarizing some aspects of the disease. METHODS: It has been established for more than 25 years in rodents that the prototypical serotonin (5-HT) agonist meta-chlorophenylpiperazine (m-CPP) elicits purposeless oral movements including chewing behavior...
May 5, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28465360/male-sex-associated-with-increased-risk-of-neonatal-abstinence-syndrome
#11
M Katherine Charles, William O Cooper, Lauren M Jansson, Judith Dudley, James C Slaughter, Stephen W Patrick
BACKGROUND: Neonatal abstinence syndrome (NAS) is a postnatal opioid withdrawal syndrome. Factors associated with development of the syndrome are poorly understood; however, infant sex may influence the risk of NAS. Our objective was to determine if infant sex was associated with the development or severity of the syndrome in a large population-based cohort. METHODS: This retrospective cohort study used vital statistics and prescription, outpatient, and inpatient administrative data for mothers and infants enrolled in the Tennessee Medicaid program between 2009 and 2011...
May 2, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28464773/the-role-of-atypical-antipsychotics-in-sexuality-road-to-recovery-in-schizophrenia
#12
Raja Lope Adam, Hatta Sidi, Marhani Midin, Hazli Zakaria, Srijit Das, Khairi Che Mat
Sexuality is an important dimension in human beings as a form of expression of individuality. For many decades, sexual functioning has been a neglected area among patients suffering from schizophrenia. It was a presumption that patients with schizophrenia could be asexual and this could be secondary to overwhelming situations of delusion, hallucination, hostility and negative symptoms among others. The deficient in sexual functioning are due to innate factors, i.e. negative symptoms (apathy, avolition and amotivation) and also as a result of prefrontal dysfunction, i...
May 2, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28464233/incidence-and-prognostic-value-of-serotonin-secretion-in-pancreatic-neuroendocrine-tumours
#13
Wouter T Zandee, Roxanne C S van Adrichem, Kimberly Kamp, Richard A Feelders, Marie-Louise F van Velthuysen, Wouter W de Herder
BACKGROUND: Serotonin secretion occurs in approximately 1-4% of patients with a pancreatic neuroendocrine tumour (PNET), but the incidence is not well defined. The aim of this study is to determine the incidence of serotonin secretion with and without carcinoid syndrome, and the prognostic value for overall survival (OS). METHODS: Data were collected from 255 patients with a PNET if 24-hour urinary 5-hydroxyindoleacitic acid excretion (5-HIAA) was assessed. Patients were diagnosed with serotonin secretion if 24-hour urinary 5-HIAA excretion was more than 3x the upper limit of normal (ULN) of 50 μmol/24 hours during follow-up...
May 2, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28460516/neuroendocrine-dysregulation-in-irritable-bowel-syndrome-patients-a-pilot-study
#14
Cristina Stasi, Massimo Bellini, Dario Gambaccini, Emiliano Duranti, Nicola de Bortoli, Bernardo Fani, Eleonora Albano, Salvatore Russo, Isabella Sudano, Giacomo Laffi, Stefano Taddei, Santino Marchi, Rosa Maria Bruno
Background/Aims: Irritable bowel syndrome (IBS) is a multifactorial disorder, involving dysregulation of brain-gut axis. Our aim was to evaluate the neuroendocrine activity in IBS. Methods: Thirty IBS and 30 healthy subjects were enrolled. Psychological symptoms were evaluated by questionnaires. Urinary 5-hydroxyindoleacetic acid (5-HIAA), plasma serotonin, endothelin, neuropeptide Y (NPY), plasma, and urinary cortisol levels were evaluated. Fourteen IBS subjects underwent microneurography to obtain multiunit recordings of efferent postganglionic muscle sympathetic nerve activity (MSNA)...
April 26, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28459713/cardiac-outcomes-after-perinatal-sertraline-exposure-in-mice
#15
Sarah E Haskell, Cecilia Lo, Mitchell E Kent, Timothy M Eggleston, Kenneth A Volk, Benjamin E Reinking, Robert D Roghair
Selective serotonin reuptake inhibitors are prescribed to 6-10% of pregnant women in the United States. Using an intrauterine plus neonatal exposure model to represent exposure throughout human pregnancy, we hypothesized sertraline exposure would impact intracardiac serotonin signaling and lead to small left heart syndrome in the absence of maternal psychopathology. C57BL/6 adult female mice received sertraline (5 mg/kg/d IP) or saline throughout pregnancy to time of delivery. Pups maintained exposure on postnatal days 1-14 to encompass the developmental window analogous to human gestation...
April 25, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28458330/gender-differences-in-serotonin-signaling-in-patients-with-diarrhea-predominant-irritable-bowel-syndrome
#16
Ryo Katsumata, Akiko Shiotani, Takahisa Murao, Manabu Ishii, Minoru Fujita, Hiroshi Matsumoto, Ken Haruma
Objective Gender differences, including differences in the prevalence, subtypes and the effectiveness of treatment, are generally recognized in irritable bowel syndrome (IBS). Although serotonin type 3 receptor (5-HT3R) antagonists appear to be more effective in women with diarrhea predominant IBS (IBS-D) than they are in men, the mechanisms underlying these effects remain unclear. The aim of the present was to investigate the gender differences in 5-HT signaling. Methods The subjects were selected from outpatients with IBS-D and healthy controls...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28452902/delirium-associated-with-fluoxetine-discontinuation-a-case-report
#17
Kuang-Yuan Fan, Hsing-Cheng Liu
BACKGROUND: Withdrawal symptoms on selective serotonin reuptake inhibitor (SSRI) discontinuation have raised clinical attention increasingly. However, delirium is rarely reported in the SSRI discontinuation syndrome. CASE: We report a case of delirium developing after fluoxetine discontinuation in a 65-year-old female patient with major depressive disorder. She experienced psychotic depression with limited response to treatment of fluoxetine 40 mg/d and quetiapine 100 mg/d for 3 months...
May 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28450386/update-on-congenital-heart-disease-and-sudden-infant-perinatal-death-from-history-to-future-trends
#18
REVIEW
Giulia Ottaviani, L Maximilian Buja
During the 20th century, expert pathologists contributed an in-depth characterisation of the anatomical pathology and associated pathophysiology of congenital heart disease (CHD). Starting in the 1970s, the reported CHD birth prevalence has been increasing, owing to advances in diagnostic methods. Over the years, surgical treatments have been associated with an enormous reduction of CHD mortality. Advances also have been made in understanding the developmental biology and molecular pathogenesis of CHD. In developed countries, sudden infant death syndrome (SIDS) is the most frequent form of death during the first year of life, with a death rate of 0...
April 27, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28443016/genetics-of-aggression-in-alzheimer-s-disease-ad
#19
Walter J Lukiw, Evgeny I Rogaev
Alzheimer's disease (AD) is a terminal, age-related neurological syndrome exhibiting progressive cognitive and memory decline, however AD patients in addition exhibit ancillary neuropsychiatric symptoms (NPSs) and these include aggression. In this communication we provide recent evidence for the mis-regulation of a small family of genes expressed in the human hippocampus that appear to be significantly involved in expression patterns common to both AD and aggression. DNA array- and mRNA transcriptome-based gene expression analysis and candidate gene association and/or genome-wide association studies (CGAS, GWAS) of aggressive attributes in humans have revealed a surprisingly small subset of six brain genes that are also strongly associated with altered gene expression patterns in AD...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28428507/-opioid-therapy-and-management-of-side-effects-associated-with-opioids
#20
Toshihiko Nakatani
Opioids are very useful medications to reduce suffering of cancer patients such as refractory pain and dyspnea. We physicians have to use opioids to have good management of pain and suffering associated with cancer including management of side effects caused by opioids. Opioids couple opioid receptors and affect several pharmacological effects. Other than analgesic effect, opioids have some side effects of constipation, nausea and vomiting, respiratory depression. In this chapter, I take important side effects of constipation, nausea and vomiting and respiratory depression...
April 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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