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https://www.readbyqxmd.com/read/29161398/role-of-gabaa-receptor-subtypes-in-the-behavioural-effects-of-intravenous-general-anaesthetics
#1
C J Weir, S J Mitchell, J J Lambert
Since the introduction of general anaesthetics into clinical practice, researchers have been mystified as to how these chemically disparate drugs act to produce their dramatic effects on central nervous system function and behaviour. Scientific advances, particularly during the last 25 years, have now begun to reveal the molecular mechanisms underpinning their behavioural effects. For certain i.v. general anaesthetics, such as etomidate and propofol, a persuasive case can now be made that the GABAA receptor, a major inhibitory receptor in the mammalian central nervous system, is an important target...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29159776/non-pharmacological-interventions-in-patients-with-spinal-cord-compression-a-systematic-review
#2
REVIEW
María Paniagua-Collado, Omar Cauli
Spinal cord compression is a complex and challenging condition that greatly affects the quality of life. Non-pharmacological techniques have only been studied to a very lesser extent; although they are evidence to be beneficial. We performed Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) analysis of the scientific literature in several databases (Medline, Cochrane, Scopus, Cuiden, Pubmed, Lilacs and Embase); using the following keywords: spinal cord compression, spine compression, mobilization, positioning, brace and bracing...
November 20, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29158921/a-nearly-lethal-screw-an-unusual-cause-of-recurrent-bradycardia-and-asystole-episodes-after-fixation-of-the-cervical-spine
#3
Amit Frenkel, Yair Binyamin, Evgeni Brotfain, Leonid Koyfman, Aviel Roy-Shapira, Ilan Shelef, Moti Klein
We present a case of a 51-year-old man who was injured in a bicycle accident. His main injury was an unstable fracture of the cervical and thoracic vertebral column. Several hours after his arrival to the hospital the patient underwent open reduction and internal fixation (ORIF) of the cervical and thoracic spine. The patient was hospitalized in our critical care unit for 99 days. During this time patient had several episodes of severe bradycardia and asystole; some were short with spontaneous return to sinus and some required pharmacological treatment and even Cardiopulmonary Resuscitation (CPR)...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29157505/sports-related-concussion-acute-management-and-chronic-postconcussive-issues
#4
REVIEW
Navid Mahooti
Sports-related concussion (SRC) is a common problem in youth sports. Concussion may occur after a forceful hit to the body or head, resulting in transient neuropathological changes that spontaneously resolve with relative rest and activity modification in most patients. Most SRCs are effectively managed by primary care physicians and sports medicine specialists. In some cases, symptoms may persist and the child and adolescent psychiatrist may be consulted. This article reviews important background information regarding SRC and highlights a variety of pharmacologic and nonpharmacologic treatment options that consultant psychiatrists should know...
January 2018: Child and Adolescent Psychiatric Clinics of North America
https://www.readbyqxmd.com/read/29156772/stat3-and-stat5a-are-potential-therapeutic-targets-in-castration-resistant-prostate-cancer
#5
Sambit K Mohanty, Kader Yagiz, Dinesh Pradhan, Daniel J Luthringer, Mahul B Amin, Serhan Alkan, Bekir Cinar
Mechanisms of castration-resistant prostate cancer (CRPC) are not well understood, thus hindering rational-based drug design. Activation of STAT3/5A, key components of the JAK/STAT pathway, is implicated in aggressive PC, yet their clinical relevance in CRPC remains elusive. Here, we evaluated the possible role of STAT3/5A in CRPC using immunological, quantitative mRNA expression profiling, and pharmacological methods. We observed a strong nuclear immunoreactivity for STAT3 and STAT5A in 93% (n=14/15) and 80% (n=12/15) of CRPC cases, respectively, compared with benign prostatic hyperplasia (BPH)...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29154739/oxidative-stress-induced-inflammatory-responses-and-effects-of-n-acetylcysteine-in-bovine-mammary-alveolar-cells
#6
Hyojin Bae, Chang Hee Jeong, Wei Nee Cheng, Kwonho Hong, Han Geuk Seo, Sung Gu Han
Bovine mastitis, an inflammation of the udder, results in reduced milk production and poor milk quality. Mastitis is usually, but not always, a response to pathogen infection. High milk yield can produce oxidative stress in the mammary tissue. High milk yield is also known to be associated with bovine mastitis. Thus, in the current study, we hypothesised that oxidative stress increases inflammatory responses in bovine mammary cells. To examine the hypothesis, we produced cellular oxidative stress and investigated resulting inflammatory responses in bovine mammary alveolar cells (MAC-T)...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29154067/laser-acupuncture-treatment-of-neuropathic-pain-in-a-boy-with-brain-tumour
#7
D Butkovic, O K Tot
Neuropathic pain occurrence is associated with some cytostatic and antibiotics use. Pharmacological therapy for the treatment of neuropathic pain is sometimes unsuccessful, and complementary methods like acupuncture are included. In this case report, a 14-year-old boy with cerebral tumour and neuropathic pain in his feet after chemotherapy and linezolid use is presented. A complete cessation of neuropathic pain symptoms like hyperalgesia and allodynia was accomplished after laser acupuncture application.
December 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/29150274/neuroprotective-potential-of-high-dose-biotin
#8
Mark F McCarty, James J DiNicolantonio
A recent controlled trial has established that high-dose biotin supplementation - 100 mg, three times daily - has a stabilizing effect on progression of multiple sclerosis (MS). Although this effect has been attributed to an optimization of biotin's essential cofactor role in the brain, a case can be made that direct stimulation of soluble guanylate cyclase (sGC) by pharmacological concentrations of biotin plays a key role in this regard. The utility of high-dose biotin in MS might reflect an anti-inflammatory effect of cGMP on the cerebral microvasculature, as well on oligodendrocyte differentiation and on Schwann cell production of neurotrophic factors thought to have potential for managing MS...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29147630/sulforaphane-from-broccoli-reduces-symptoms-of-autism-a-follow-up-case-series-from-a-randomized-double-blind-study
#9
Rhoda Lynch, Eileen L Diggins, Susan L Connors, Andrew W Zimmerman, Kanwaljit Singh, Hua Liu, Paul Talalay, Jed W Fahey
Introduction: Autism spectrum disorder (ASD) affects 1 in 68 children, is characterized by impaired social interaction and communication as well as restricted or repetitive behaviors, and varies widely with respect to its causes and presentations. There are no validated pharmacologic treatments for the core symptoms of ASD. The social, medical, and economic burdens of ASD on families and caregivers are profound. We recently showed in a small clinical trial that sulforaphane (SF) from broccoli sprouts could significantly reduce the behavioral symptoms of ASD...
2017: Global Advances in Health and Medicine: Improving Healthcare Outcomes Worldwide
https://www.readbyqxmd.com/read/29146416/fulminant-adrenergic-myocarditis-complicated-by-pulmonary-edema-cardiogenic-shock-and-cardiac-arrest
#10
Pawel Rostoff, Bohdan Nessler, Patrycja Pikul, Karolina Golinska-Grzybala, Tomasz Miszalski-Jamka, Jadwiga Nessler
Adrenergic myocarditis is an uncommon presentation of pheochromocytoma and extremely rare cause of de novo acute heart failure (AHF). We present a case of a 31-year-old Caucasian woman with a history of hypertension and recurrent occipital headaches who was admitted to the emergency department due to severe de novo AHF presenting as pulmonary edema and cardiogenic shock. During the hospital admission the patient experienced asystolic cardiac arrest and was successfully resuscitated, intubated, and mechanically ventilated...
November 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29146291/development-of-ms-binding-assays-targeting-the-binding-site-of-mb327-at-the-nicotinic-acetylcholine-receptor
#11
S Sichler, G Höfner, S Rappenglück, T Wein, K V Niessen, T Seeger, F Worek, H Thiermann, F F Paintner, K T Wanner
The bispyridinium compound MB327 has been shown previously to have a positive pharmacological effect against poisoning with organophosphorous compounds (OPCs). The mechanism by which it exerts its therapeutic effect seems to be directly mediated by the nicotinic acetylcholine receptor (nAChR). In the present study, the development of mass spectrometry based binding assays (MS Binding Assays) for characterization of the binding site of MB327 at the nAChR from Torpedo californica is described. MS Binding Assays follow the principle of radioligand binding assays, but do not, in contrast to the latter, require a radiolabeled reporter ligand, as the readout is in this case based on mass spectrometric detection...
November 13, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29145285/degeneration-of-paramedian-nuclei-in-the-thalamus-induces-holmes-tremor-in-a-case-of-artery-of-percheron-infarction
#12
Tz-Shiang Wei, Chun-Sheng Hsu, Yu-Chun Lee, Shin-Tsu Chang
RATIONALE: Holmes' tremor is an uncommon neurologic disorder following brain insults, and its pathogenesis is undefined. The interruption of the dento-rubro-thalamic tract and secondary deterioration of the nigrostriatal pathway are both required to initiate Holmes' tremor. We used nuclear medicine imaging tools to analyze a patient with concurrent infarction in different zones of each side of the thalamus. Finding whether the paramedian nuclear groups of the thalamus were injured was a decisive element for developing Holmes' tremor...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143692/non-pharmacological-interventions-for-lewy-body-dementia-a-systematic-review
#13
Michael H Connors, Lena Quinto, Ian McKeith, Henry Brodaty, Louise Allan, Claire Bamford, Alan Thomas, John-Paul Taylor, John T O'Brien
Lewy body dementia (consisting of dementia with Lewy bodies and Parkinson's disease dementia) is a common neurodegenerative disease characterised by visual hallucinations, fluctuating attention, motor disturbances, falls, and sensitivity to antipsychotics. This combination of features presents challenges for pharmacological management. Given this, we sought to review evidence for non-pharmacological interventions with patients with Lewy body dementia and their carers. Bibliographic databases were searched using a wide range of search terms and no restrictions were placed on study design, language, or clinical setting...
November 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29141805/treating-depression-in-multiple-sclerosis-with-antidepressants-a-brief-review-of-clinical-trials-and-exploration-of-clinical-symptoms-to-guide-treatment-decisions
#14
REVIEW
Nabeela Nathoo, Aaron Mackie
Depression is a common comorbidity in patients with multiple sclerosis (MS). Those with MS and concurrent depression have poorer quality of life and are also less likely to be compliant with disease-modifying treatment, which may ultimately affect their MS disease course. Treating depression in MS with pharmacological agents can improve not only depression, but may also impact the MS disease course. However, no guidelines exist around treating depression in MS. Few randomized-controlled trials using antidepressants in MS exist...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29141066/vancomycin-infiltrate-induced-dermatitis-mimicking-bullous-cellulitis
#15
Sowmya Nanjappa, Matthew Snyder, John N Greene
<p>Extravasation of medications can manifest as tenderness, pain, tissue necrosis, and thrombophlebitis and lead to infection and severe long-term complications. Risk factors for leakage of medications include mechanical and pharmacologic mechanisms such as cannulation technique, vasoconstriction, and cytotoxicity. Well-known vesicants like anthracyclines, vinca alkaloids, and vasopressors are usually administered with proper caution. Often overlooked are many antimicrobial agents, which typically act via differences in osmolality and pH...
November 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29139315/statin-use-and-risk-for-type-2-diabetes-what-clinicians-should-know
#16
Kevin Maki, Veda Diwadkar-Navsariwala, Melvyn W Kramer
Statins are the first line of pharmacologic treatment for the management of hypercholesterolemia in patients at risk for atherosclerotic cardiovascular (CV) disease. In recent years, several randomized, controlled trials (RCTs) and observational studies have reported increased risk for new-onset type 2 diabetes mellitus (T2D) with statin treatment, particularly with use of high-intensity statins that reduce low-density lipoprotein cholesterol (LDL-C) by 50% or more. This paper summarizes the data from RCTs and observational studies for statin-associated T2D risk, and puts into perspective this evidence, weighed against the established benefits of statin therapy for CV risk reduction...
November 15, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/29139091/pharmacological-approach-to-the-management-of-crohn-s-disease-patients-with-perianal-disease
#17
REVIEW
Fernando Bermejo, Iván Guerra, Alicia Algaba, Antonio López-Sanromán
Perianal localization of Crohn's disease involves significant morbidity, affects quality of life and results in an increased use of healthcare resources. Medical and surgical therapies contribute to its management. The objective of this review is to address the current understanding in the management of perianal Crohn's disease, with the main focus in reviewing pharmacological therapies, including stem cells. In complex fistulas, once local sepsis has been controlled by surgical drainage and/or antibiotics, anti-TNF drugs (infliximab, adalimumab) are the first-line therapy, with or without associated immunomodulators...
November 14, 2017: Drugs
https://www.readbyqxmd.com/read/29138992/use-of-ketamine-in-elderly-patients-with-treatment-resistant-depression
#18
REVIEW
Carolina Medeiros da Frota Ribeiro, Patricio Riva-Posse
PURPOSE OF REVIEW: The purpose of this paper is to provide a review of the use of ketamine as an antidepressant for treatment-resistant depression (TRD) in the geriatric population. Available treatment options for late-life treatment-resistant depression are limited and include electroconvulsive therapy and transcranial magnetic stimulation as well as possible pharmacologic augmentation. Ketamine has been shown to be a promising treatment in TRD; however, data regarding the use of ketamine in the elderly includes only five case reports...
November 15, 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29133212/quantitative-and-systems-pharmacology-2-in-silico-polypharmacology-of-g-protein-coupled-receptor-ligands-via-network-based-approaches
#19
Zengrui Wu, Weiqiang Lu, Weiwei Yu, Tianduanyi Wang, Weihua Li, Guixia Liu, Hankun Zhang, Xiufeng Pang, Jin Huang, Mingyao Liu, Feixiong Cheng, Yun Tang
G protein-coupled receptors (GPCRs) are the largest super family with more than 800 membrane receptors. Currently, over 30% of the approved drugs target human GPCRs. However, only approximately 30 human GPCRs have been resolved three-dimensional crystal structures, which limits traditional structure-based drug discovery. Recent advances in network-based systems pharmacology approaches have demonstrated powerful strategies for identifying new targets of GPCR ligands. In this study, we proposed a network-based systems pharmacology framework for comprehensive identification of new drug-target interactions on GPCRs...
November 10, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29131821/improving-virtual-screening-of-g-protein-coupled-receptors-via-ligand-directed-modeling
#20
Thomas Coudrat, John Simms, Arthur Christopoulos, Denise Wootten, Patrick M Sexton
G protein-coupled receptors (GPCRs) play crucial roles in cell physiology and pathophysiology. There is increasing interest in using structural information for virtual screening (VS) of libraries and for structure-based drug design to identify novel agonist or antagonist leads. However, the sparse availability of experimentally determined GPCR/ligand complex structures with diverse ligands impedes the application of structure-based drug design (SBDD) programs directed to identifying new molecules with a select pharmacology...
November 13, 2017: PLoS Computational Biology
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