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Drug resistant depression

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https://www.readbyqxmd.com/read/29331082/mechanistic-target-of-rapamycin-complex-1-and-2-in-human-temporal-lobe-epilepsy
#1
Delia M Talos, Leah M Jacobs, Sarah Gourmaud, Carlos A Coto, Hongyu Sun, Kuei-Cheng Lim, Timothy H Lucas, Kathryn A Davis, Maria Martinez-Lage, Frances E Jensen
OBJECTIVE: Temporal lobe epilepsy (TLE) is a chronic epilepsy syndrome defined by seizures and progressive neurological disabilities, including cognitive impairments, anxiety and depression. Here, human TLE specimens were investigated focusing on the mechanistic target of rapamycin (mTOR) Complex 1 (mTORC1) and Complex 2 (mTORC2) activities in the brain, as both pathways may represent unique targets for treatment. METHODS: Surgically resected hippocampal and temporal lobe samples from therapy-resistant TLE patients were analyzed by Western blotting to quantify the expression of established mTORC1 and mTORC2 activity markers and upstream or downstream signaling pathways involving the two complexes...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29326098/cognitive-and-behavioral-skills-exercises-completed-by-patients-with-major-depression-during-smartphone-cognitive-behavioral-therapy-secondary-analysis-of-a-randomized-controlled-trial
#2
Toshi A Furukawa, Masaru Horikoshi, Hirokazu Fujita, Naohisa Tsujino, Ran Jinnin, Yuki Kako, Sei Ogawa, Hirotoshi Sato, Nobuki Kitagawa, Yoshihiro Shinagawa, Yoshio Ikeda, Hissei Imai, Aran Tajika, Yusuke Ogawa, Tatsuo Akechi, Mitsuhiko Yamada, Shinji Shimodera, Norio Watanabe, Masatoshi Inagaki, Akio Hasegawa
BACKGROUND: A strong and growing body of evidence has demonstrated the effectiveness of cognitive behavioral therapy (CBT), either face-to-face, in person, or as self-help via the Internet, for depression. However, CBT is a complex intervention consisting of several putatively effective components, and how each component may or may not contribute to the overall effectiveness of CBT is poorly understood. OBJECTIVE: The aim of this study was to investigate how the users of smartphone CBT use and benefit from various components of the program...
January 11, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29306976/deep-brain-stimulation-of-the-anterior-nucleus-of-the-thalamus-for-drug-resistant-epilepsy
#3
REVIEW
Tim A M Bouwens van der Vlis, Olaf E M G Schijns, Frédéric L W V J Schaper, Govert Hoogland, Pieter Kubben, Louis Wagner, Rob Rouhl, Yasin Temel, Linda Ackermans
Despite the use of first-choice anti-epileptic drugs and satisfactory seizure outcome rates after resective epilepsy surgery, a considerable percentage of patients do not become seizure free. ANT-DBS may provide for an alternative treatment option in these patients. This literature review discusses the rationale, mechanism of action, clinical efficacy, safety, and tolerability of ANT-DBS in drug-resistant epilepsy patients. A review using systematic methods of the available literature was performed using relevant databases including Medline, Embase, and the Cochrane Library pertaining to the different aspects ANT-DBS...
January 6, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29279133/repetitive-transcranial-magnetic-stimulation-in-treatment-of-post-polio-syndrome
#4
Żanna Pastuszak, Renata Piusińska-Macoch, Adam Stępień, Zbigniew Czernicki
BACKGROUND: Post polio syndrome is a rare disease that occurs decades after polio virus infection. Repetitive transcranial magnetic stimulation (rTMS) is a treatment option with proved effectiveness in drug resistant depression. Possibly it can be helpful in therapy of other neurological diseases including post polio syndrome. OBJECTIVE: To describe a case of patient diagnosed with post polio syndrome who was treated with rTMS stimulation with a good effect. METHODS: Patient had rTMS stimulation of left prefrontal cortex twice a week for an eight weeks...
November 5, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29206826/-response-to-serotonergic-and-noradrenergic-antidepressants-a-crossover-study-of-fluoxetine-and-desipramine-in-patients-with-first-major-depression-episode
#5
José Alfonso Ontiveros-Sánchez de la Barquera
BACKGROUND: Response rate data from studies with different kinds of antidepressant drugs help in the development of guidelines for the rational prescription of pharmacotherapy. However, there are still few comparative studies with selective reuptake inhibition on serotonin or norepinephrine in the same sample of major depression patients. METHODS: First episode major depression (DSM-III-R) outpatients who completed 6 weeks in two double-blind randomized trials with fluoxetine and desipramine were crossed over to treatment with the other drug under open conditions for 6 weeks...
November 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/29187221/autophagy-maintains-the-stemness-of-ovarian-cancer-stem-cells-by-foxa2
#6
Qiaohua Peng, Jiale Qin, Yanan Zhang, Xiaodong Cheng, Xinyu Wang, Weiguo Lu, Xing Xie, Songfa Zhang
BACKGROUND: Cancer stem cells (CSCs) are regarded as the main cell type responsible for the initiation, metastasis, drug resistance, and recurrence of cancer. But the mechanism by which cancer stem cells maintain their stemness remains unclear. METHODS AND RESULTS: In the present study, ovarian cancer stem cells (OCSCs) were revealed to have an enhanced autophagic flux. Furthermore, their chemoresistance and ability to self-renewal in vitro were decreased when autophagy was inhibited by Bafilomycin A1(BafA1), Chloroquine(CQ) or autophagy related 5(ATG5) knockdown...
November 29, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29182076/no-evidence-for-an-acute-placebo-effect-on-emotional-processing-in-healthy-volunteers
#7
Nathan Tm Huneke, Annabel El Walsh, Randi Brown, Michael Browning, Catherine J Harmer
Placebo-controlled trials are the gold standard measure of efficacy in the development of new treatments for depression. However, the large placebo effects associated with standard measures of subjective symptoms reduce the sensitivity of such trials to detect antidepressant effects. There is a need to develop novel efficacy markers that are resistant to placebo effects. Measures of emotional processing, known to be sensitive to antidepressant treatment, may be such a marker, although the effect of an acute placebo treatment on these measures remains unclear...
December 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29180223/insulin-resistance-an-unmasked-culprit-in-depressive-disorders-promises-for-interventions
#8
REVIEW
Kathleen Watson, Carla Nasca, Linn Aasly, Bruce McEwen, Natalie Rasgon
Depressive disorder (DD) is a debilitating disease with psychological, societal, economic and humanitarian consequences for millions of people worldwide. Scientists are beginning to understand the reciprocal communication between the brain and the rest of the body in the etiology and treatment of this disease. In particular, scientists have noted a connection between depressive disorder (DD), a disease that is primarily seen as brain-based, and, insulin resistance (IR), a modifiable metabolic pro-inflammatory state that is typically seen as peripheral...
November 24, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29163522/the-vagus-nerve-in-the-neuro-immune-axis-implications-in-the-pathology-of-the-gastrointestinal-tract
#9
REVIEW
Bruno Bonaz, Valérie Sinniger, Sonia Pellissier
The vagus nerve (VN) is the longest nerve of the organism and a major component of the parasympathetic nervous system which constitutes the autonomic nervous system (ANS), with the sympathetic nervous system. There is classically an equilibrium between the sympathetic and parasympathetic nervous systems which is responsible for the maintenance of homeostasis. An imbalance of the ANS is observed in various pathologic conditions. The VN, a mixed nerve with 4/5 afferent and 1/5 efferent fibers, is a key component of the neuro-immune and brain-gut axes through a bidirectional communication between the brain and the gastrointestinal (GI) tract...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29138840/low-dosage-of-arsenic-trioxide-inhibits-vasculogenic-mimicry-in-hepatoblastoma-without-cell-apoptosis
#10
Feng Zhang, Chun-Mei Zhang, Shu Li, Kun-Kun Wang, Bin-Bin Guo, Yao Fu, Lu-Yang Liu, Yu Zhang, Hai-Yu Jiang, Chang-Jun Wu
Hepatoblastoma (HB) is the most common type of pediatric liver malignancy, which predominantly occurs in young children (aged <5 years), and continues to be a therapeutic challenge in terms of metastasis and drug resistance. As a new pattern of tumor blood supply, vasculogenic mimicry (VM) is a channel structure lined by tumor cells rather than endothelial cells, which contribute to angiogenesis. VM occurs in a variety of solid tumor types, including liver cancer, such as hepatocellular carcinoma. The aim of the present study was to elucidate the effect of arsenic trioxide (As2O3) on VM...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29119217/psilocybin-with-psychological-support-for-treatment-resistant-depression-six-month-follow-up
#11
R L Carhart-Harris, M Bolstridge, C M J Day, J Rucker, R Watts, D E Erritzoe, M Kaelen, B Giribaldi, M Bloomfield, S Pilling, J A Rickard, B Forbes, A Feilding, D Taylor, H V Curran, D J Nutt
RATIONALE: Recent clinical trials are reporting marked improvements in mental health outcomes with psychedelic drug-assisted psychotherapy. OBJECTIVES: Here, we report on safety and efficacy outcomes for up to 6 months in an open-label trial of psilocybin for treatment-resistant depression. METHODS: Twenty patients (six females) with (mostly) severe, unipolar, treatment-resistant major depression received two oral doses of psilocybin (10 and 25 mg, 7 days apart) in a supportive setting...
November 8, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29118840/too-many-pills-to-swallow-a-case-of-a-mixed-overdose
#12
Louise Emily Hopkins, Jonathan Sunkersing, Andrew Jacques
Propranolol is a highly lipid-soluble beta-receptor antagonist. We describe a case of mixed overdose, including propranolol, amlodipine and olanzapine, resulting in severe resistant hypotension which was successfully treated. A 21-year-old student ingested 6.4 g of propranolol, 280 mg of amlodipine and 560 mg of olanzapine. The patient was brought to the emergency department and exhibited signs of severe systemic toxicity - profound hypotension and circulatory collapse, respiratory depression and coma...
August 2017: Journal of the Intensive Care Society
https://www.readbyqxmd.com/read/29115994/exploring-venlafaxine-pharmacokinetic-variability-with-a-phenotyping-approach-a-multicentric-french-swiss-study-marvel-study
#13
Célia Lloret-Linares, Youssef Daali, Sylvie Chevret, Isabelle Nieto, Fanny Molière, Philippe Courtet, Florence Galtier, Raphaëlle-Marie Richieri, Sophie Morange, Pierre-Michel Llorca, Wissam El-Hage, Thomas Desmidt, Frédéric Haesebaert, Philippe Vignaud, Jerôme Holtzmann, Jean-Luc Cracowski, Marion Leboyer, Antoine Yrondi, Fabienne Calvas, Liova Yon, Philippe Le Corvoisier, Olivier Doumy, Kyle Heron, Damien Montange, Siamak Davani, Julien Déglon, Marie Besson, Jules Desmeules, Emmanuel Haffen, Frank Bellivier
BACKGROUND: It is well known that the standard doses of a given drug may not have equivalent effects in all patients. To date, the management of depression remains mainly empirical and often poorly evaluated. The development of a personalized medicine in psychiatry may reduce treatment failure, intolerance or resistance, and hence the burden and costs of mood depressive disorders. The Geneva Cocktail Phenotypic approach presents several advantages including the "in vivo" measure of different cytochromes and transporter P-gp activities, their simultaneous determination in a single test, avoiding the influence of variability over time on phenotyping results, the administration of low dose substrates, a limited sampling strategy with an analytical method developed on DBS analysis...
November 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29109161/combating-multi-drug-resistant-pathogens-with-host-directed-non-antibiotic-therapeutics
#14
Jourdan A Andersson, Jian Sha, Michelle L Kirtley, Emily Reyes, Eric C Fitts, Sara M Dann, Ashok K Chopra
Earlier, we reported that 3 Food and Drug Administration-approved drugs, trifluoperazine (TFP, anti-psychotic), amoxapine (AXPN, anti-depressant), and doxapram (DXP, breathing stimulant), identified from an in vitro murine macrophage cytotoxicity screen, provided 40-60% protection to mice against pneumonic plague when administered at the time of infection for 1-3 days. In this study, the therapeutic potential of these drugs was further evaluated in mice when administered up to 48 h post-infection against pneumonic plague...
November 6, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29105627/macrophage-related-cytokine-expressions-in-depression-mouse-model-induced-by-chronic-unpredictable-mild-stress
#15
Shoulian Zhu, Lejing Li, Ying Li, Wenyuan Cao
Depression is characterized by mental retardation, interest blank, hypoactivity, anxiety, appetite loss, sexual dysfunction, sleep disorders and other symptoms. The incidence of depressed patients has demonstrated an upward trend in recent years. Antidepressant drugs are commonly used in modern medicine, but they have the side effect of drug resistance. This study aims to explore the effect of acupuncture stimulation on expressions of macrophage-related cytokines in mice with depression induced by chronic unpredictable mild stress (CUMS), and to explore the underlying immunological mechanism...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29100151/aripiprazole-relieves-motivational-anhedonia-in-rats
#16
Simona Scheggi, Teresa Pelliccia, Carla Gambarana, Maria Graziella De Montis
BACKGROUND: Anhedonia is considered a relevant feature in depression and psychosis, characterized by poor treatment outcome, and associated with deficits in mesolimbic dopaminergic responsiveness. Clinical studies suggest the potential utility of aripiprazole as adjunctive therapy for resistant depression. Since aripiprazole can stabilize the dopaminergic system, in search of tailored therapeutic strategies for reward dysfunctions, we investigated whether the drug restored motivation toward positive stimuli in a rat model...
October 20, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29093410/coronary-artery-spasm-during-cryoballoon-ablation-in-a-patient-with-atrial-fibrillation
#17
Kazuhiro Yajima, Yuichiro Yamase, Hideo Oishi, Noriyuki Ikehara, Yasushi Asai
The patient was a 63-year-old man with drug-resistant atrial fibrillation who developed coronary spasm during cryoballoon ablation (CBA). CBA was started from the left inferior pulmonary vein. ST elevations in II, III, and aVf, with reciprocal ST depressions in V2-5, occurred in association with chest pain just after balloon rewarming and deflation, and the patient's blood pressure fell to 50 mmHg. Coronary angiography revealed 90% diffuse stenosis from the orifice of segment 1 to segment 4 in the right coronary artery...
November 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29071466/cardiovascular-autonomic-effects-of-vagus-nerve-stimulation
#18
REVIEW
Iñigo Garamendi-Ruiz, Juan Carlos Gómez-Esteban
The vagus nerve is responsible for the parasympathetic innervation of the major thoracic and abdominal organs. It also carries sensory afferent fibres from these viscera and reaches different brain structures. These connections have proven useful in the treatment of different diseases. Afferent stimulation of the left vagus nerve is used to treat epilepsy and major depression, and stimulation of the right vagus nerve is being tried for the treatment of heart failure. The device used for the therapy delivers intermittent stimuli...
October 25, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/29063119/-inflammatory-mechanism-of-depression-and-its-new-strategy%C3%A2-for-diagnosis-and%C3%A2-treatment
#19
Wen-Jun Su, Zhi-Yong Cao, Chun-Lei Jiang
Depression is a major class of mental illness; owing to its high prevalence, high disability rate and heavy disease burden, it has become a stern and formidable global health problem. It is generally believed that the etiology of depression is multifactorial, which is related to gender differences, chronic stress, dietary behavior and drug abuse. At present, the exact pathophysiological mechanism of depression still remains unclear, but researchers across the globe put forward various hypotheses to interpret the possible access to this disease, including monoamine neurotransmitter disturbance, hypothalamic-pituitary-adrenal (HPA) axis dysfunction, lack of neurotrophic factors and excessive pro-inflammatory cytokines...
October 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29056418/hemodynamic-effects-of-dexmedetomidine-with-and-without-mk-467-following-intramuscular-administration-in-cats-anesthetized-with-isoflurane
#20
Kristine T Siao, Bruno H Pypendop, Juhana Honkavaara, Jan E Ilkiw
OBJECTIVE: To characterize the hemodynamic effects of dexmedetomidine, with or without MK-467, following intramuscular (IM) administration in cats. STUDY DESIGN: Randomized, crossover, experimental study. ANIMALS: Six healthy adult male castrated purpose-bred cats. METHODS: Cats were anesthetized with isoflurane in oxygen and instrumented. Cats were administered dexmedetomidine (25 μg kg(-1)), with (DM) or without (D) MK-467 (600 μg kg(-1)), IM in the epaxial muscles...
May 4, 2017: Veterinary Anaesthesia and Analgesia
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