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serotonin syndrome

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https://www.readbyqxmd.com/read/27904101/probable-serotonin-syndrome-and-withdrawal-symptoms-caused-by-milnacipran
#1
Toru Koshiishi, Kiyoshi Okuyama
 A 70-year-old woman, residing in a nursing home, was admitted to our hospital because of cerebral hemorrhage. She had excessive sweating, a temperature above 37°C, and intermittent muscle spasm such as myoclonus, since the time of admission. We suspected that these symptoms were related to side effects caused by the milnacipran she was taking for depression, prior to hospitalization. After we discontinued milnacipran, the patient began exhibiting withdrawal symptoms such as excitement and insomnia. When we substituted milnacipran with mianserin, the withdrawal symptoms diminished and the excessive sweating and involuntary movement disappeared...
2016: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/27898069/clozapine-modifies-the-differentiation-program-of-human-adipocytes-inducing-browning
#2
E Kristóf, Q-M Doan-Xuan, A K Sárvári, Á Klusóczki, P Fischer-Posovszky, M Wabitsch, Z Bacso, P Bai, Z Balajthy, L Fésüs
Administration of second-generation antipsychotic drugs (SGAs) often leads to weight gain and consequent cardio-metabolic side effects. We observed that clozapine but not six other antipsychotic drugs reprogrammed the gene expression pattern of differentiating human adipocytes ex vivo, leading to an elevated expression of the browning marker gene UCP1, more and smaller lipid droplets and more mitochondrial DNA than in the untreated white adipocytes. Laser scanning cytometry showed that up to 40% of the differentiating single primary and Simpson-Golabi-Behmel syndrome (SGBS) adipocytes had the characteristic morphological features of browning cells...
November 29, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27891070/monoaminergic-mechanisms-in-epilepsy-may-offer-innovative-therapeutic-opportunity-for-monoaminergic-multi-target-drugs
#3
REVIEW
Dubravka Svob Strac, Nela Pivac, Ilse J Smolders, Wieslawa A Fogel, Philippe De Deurwaerdere, Giuseppe Di Giovanni
A large body of experimental and clinical evidence has strongly suggested that monoamines play an important role in regulating epileptogenesis, seizure susceptibility, convulsions, and comorbid psychiatric disorders commonly seen in people with epilepsy (PWE). However, neither the relative significance of individual monoamines nor their interaction has yet been fully clarified due to the complexity of these neurotransmitter systems. In addition, epilepsy is diverse, with many different seizure types and epilepsy syndromes, and the role played by monoamines may vary from one condition to another...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27881066/new-insights-emerging-from-recent-investigations-on-human-group-ii-pyridoxal-5-phosphate-decarboxylases
#4
Alessandro Paiardini, Giorgio Giardina, Giada Rossignoli, Carla Borri Voltattorni, Mariarita Bertoldi
Aromatic amino acid, cysteine sulfinic acid, glutamate and histidine decarboxylases, belonging to group II of pyridoxal 5'-phosphate-dependent enzymes, catalyze the synthesis of dopamine/serotonin, hypotaurine, ϒ-aminobutyric acid and histamine, respectively. Considering that these reaction's products are all essential bioactive molecules, group II decarboxylases have been long studied from an evolutionary, biochemical and pharmacological standpoint. Despite the fact that they all belong to a common fold-type, during evolution each decarboxylase has evolved unique structural elements responsible for its substrate specificity...
November 22, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27876129/metabolic-syndrome-a-truly-psychosomatic-disorder-a-global-hypothesis
#5
Shrikant Madhukar Ghike
Exact cause of the metabolic syndrome [MS], a global epidemic, is still unclear. Man has same fundamental needs to live as animals but modern man's life-style compels him to acquire certainty of resources for all his needs in a complex social network. Today money has become the sole life essential need. Contrarily none of the animals needs to earn money. Brain is also an organ of the human body with a unique thought process to define logical actions to achieve a person's goals. This way life is a flow of desires followed by logical actions...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27866962/distribution-of-muscarinic-acetylcholine-receptor-subtypes-in-the-murine-small-intestine
#6
Eleanor D Muise, Neeru Gandotra, John J Tackett, Michaela C Bamdad, Robert A Cowles
AIMS: Serotonin stimulates enterocyte turnover in the small intestine and studies suggest this is mediated by neuronal signaling via a cholinergic pathway. Distribution of the five known muscarinic receptor subtypes (mAChRs) in the small intestine has not been fully studied, and their role in intestinal growth is unknown. We hypothesized that mAChRs have distinct anatomic distributions within the bowel, and that mAChRs present within intestinal crypts mediate the effects of acetylcholine on the small intestinal mucosa...
November 17, 2016: Life Sciences
https://www.readbyqxmd.com/read/27866918/-children-and-adolescents-anxiety-disorders
#7
H Denis, A Baghdadli
Anxiety disorders were long underestimated in children by healthcare professionals, but they are now better diagnosed. They account for the most frequent psychiatric diagnosis between 6 and 18 years of age, with differences in prevalence or risk factors related to the clinical forms. Different clinical subtypes of anxiety disorders are detailed in this article: separation anxiety, specific phobia, generalized anxiety, social anxiety, panic disorder, post-traumatic stress syndrome, and obsessional-compulsive disorder...
November 17, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27861439/trends-in-tramadol-pharmacology-metabolism-and-misuse
#8
Karen Miotto, Arthur K Cho, Mohamed A Khalil, Kirsten Blanco, Jun D Sasaki, Richard Rawson
Tramadol is a unique analgesic medication, available in variety of formulations, with both monoaminergic reuptake inhibitory and opioid receptor agonist activity increasingly prescribed worldwide as an alternative for high-affinity opioid medication in the treatment of acute and chronic pain. It is a prodrug that is metabolized by cytochrome P450 (CYP) enzymes CYP2D6 and CYP3A4 to its more potent opioid analgesic metabolites, particularly the O-demethylation product M1. The opioid analgesic potency of a given dose of tramadol is influenced by an individual's CYP genetics, with poor metabolizers experiencing little conversion to the active M1 opioid metabolite and individuals with a high metabolic profile, or ultra-metabolizers, experiencing the greatest opioid analgesic effects...
November 17, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27856619/coq-deficiency-causes-disruption-of-mitochondrial-sulfide-oxidation-a-new-pathomechanism-associated-with-this-syndrome
#9
Marta Luna-Sánchez, Agustín Hidalgo-Gutiérrez, Tatjana M Hildebrandt, Julio Chaves-Serrano, Eliana Barriocanal-Casado, Ángela Santos-Fandila, Miguel Romero, Ramy Ka Sayed, Juan Duarte, Holger Prokisch, Markus Schuelke, Felix Distelmaier, Germaine Escames, Darío Acuña-Castroviejo, Luis C López
Coenzyme Q (CoQ) is a key component of the mitochondrial respiratory chain, but it also has several other functions in the cellular metabolism. One of them is to function as an electron carrier in the reaction catalyzed by sulfide:quinone oxidoreductase (SQR), which catalyzes the first reaction in the hydrogen sulfide oxidation pathway. Therefore, SQR may be affected by CoQ deficiency. Using human skin fibroblasts and two mouse models with primary CoQ deficiency, we demonstrate that severe CoQ deficiency causes a reduction in SQR levels and activity, which leads to an alteration of mitochondrial sulfide metabolism...
November 17, 2016: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/27855728/dextromethorphan-quinidine-responsive-pseudobulbar-affect-pba-psychopharmacological-model-for-wide-ranging-disorders-of-emotional-expression
#10
Stephen M Stahl
The symptoms of emotional dysregulation associated with the syndrome known as pseudobulbar affect (PBA) can be effectively treated by the sigma, glutamate, and serotonergic agent dextromethorphan combined with quinidine. If the same brain circuits affected in PBA are also compromised in related disorders of emotional expression, dextromethorphan-quinidine and other novel sigma-glutamate-serotonin agents could prove to be novel psychopharmacologic treatments for these conditions as well.
December 2016: CNS Spectrums
https://www.readbyqxmd.com/read/27852563/effects-of-electroacupuncture-at-st25-and-bl25-in-a-sennae-induced-rat-model-of-diarrhoea-predominant-irritable-bowel-syndrome
#11
Xianwei Zhu, Zhibin Liu, Wenmin Niu, Yuan Wang, Aimin Zhang, Hongyan Qu, Jing Zhou, Lu Bai, Yong Yang, Jie Li
BACKGROUND: Electroacupuncture (EA) may have a role in the treatment of diarrhoea symptoms. Serotonin (5-hydroxytryptamine, 5-HT) is an important neurotransmitter and paracrine signalling molecule in the gastrointestinal (GI) tract, which initiates peristaltic, secretory, vasodilatory, vagal and nociceptive reflexes. In addition, according to the results of our previous report, EA stimulation mediates GI peristalsis by increasing expression of 5-HT and tryptophan hydroxylase (TPH). AIM: To investigate the effect of EA at acupuncture points ST25 and BL25 in a rat model of diarrhoea...
November 15, 2016: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/27851637/2003-anuria-workup-in-the-setting-of-serotonin-syndrome-trigone-injury-after-gender-affirmation-surgery
#12
Eric Veilleux, Pak Shan Leung
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851636/2002-serotonin-syndrome-following-intraoperative-methylene-blue-administration-during-parathyroidectomy
#13
Afshan Hussain, Gregory Huang, Elisha Chance
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851506/1871-serotonin-syndrome-in-a-patient-receiving-methylene-blue-for-ifosfamide-encephalopathy-prophylaxis
#14
Brian Gilbert, Marcos Viera
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851497/1862-anchors-aweigh-the-dangers-of-anchoring-bias-in-a-case-of-serotonin-syndrome
#15
Adam Zayac, Serena Grewal, Housam Hegazy
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851495/1860-serotonin-syndrome-associated-with-buprenorphine-naloxone-in-combination-with-paroxetine
#16
Andrew Kirk, Waasil Kareem, Paul Kinniry
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851477/1842-bupropion-overdose-presenting-with-serotonin-syndrome-a-case-report
#17
Sandhya Samavedam, Joshua Fenske, Sumedh Hoskote
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27833231/acute-dystonia-after-single-dose-of-bupropion
#18
Forouzan Elyasi, Elham Mahtiyan
Bupropion is an antidepressant that is effective in the treatment of major depressive disorders, smoking cessation, and sexual side effects of selective serotonin reuptake inhibitors. Acute dystonia is characterized by prolonged muscle contraction often represented by spasms of the head and neck muscles as well as occasional jaw clenching and temporomandibular joint syndrome. Although it is believed that dystonia is the result of an abnormality of the basal ganglia, its pathophysiology is still unclear. A few cases of dystonia resulting from bupropion have been reported in prior research papers...
September 2016: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/27828700/serotonin-syndrome-prophylactic-treatment-with-cyproheptadine
#19
O Greg Deardorff, Talha Khan, Gaurav Kulkarni, Richard Doisy, Colleen Loehr
Despite the numerous advantages of linezolid therapy, one disadvantage continuing to hinder its use is the risk of serotonin syndrome when coadministered with other serotonergic agents. Developing a better understanding of serotonin syndrome is essential for the prevention and management of this potentially life-threatening condition. This report describes a patient with schizophrenia, depression, and severe, acute osteomyelitis. The patient was taking multiple serotonergic agents and required the use of linezolid without the possibility of a sufficient washout period...
August 25, 2016: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/27824534/serotonin-syndrome-preventing-recognizing-and-treating-it
#20
REVIEW
Robert Z Wang, Vishal Vashistha, Sukhdeep Kaur, Nathan W Houchens
As the use of serotonergic agents to treat depression has increased, so too has the incidence of serotonin syndrome. We identify the common agents implicated in serotonin syndrome and the clinical tools to diagnose, manage, and prevent serotonergic toxicity.
November 2016: Cleveland Clinic Journal of Medicine
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