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Substance-induced disorders

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https://www.readbyqxmd.com/read/29032023/social-determinants-of-drug-related-mortality-in-a-general-population
#1
Sanna Rönkä, Karoliina Karjalainen, Pekka Martikainen, Pia Mäkelä
BACKGROUND: We investigated the association between social determinants and a broad selection of drug-related deaths in a general population. METHODS: We conducted a follow-up of an 11% random sample of working-age Finnish residents for 1996-2007 linked with an oversampling of deaths and population registration data on social characteristics. We defined total drug-related deaths as those from psychoactive substance use disorders and drug-induced poisonings (drug-induced deaths) as well as drug-related accidents, homicides, illnesses, and suicides...
October 4, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28990593/riluzole-impairs-cocaine-reinstatement-and-restores-adaptations-in-intrinsic-excitability-and-glt-1-expression
#2
Marian T Sepulveda-Orengo, Kati L Healey, Ronald Kim, Alyson C Auriemma, Jennifer Rojas, Nicholas Woronoff, Rachel Hyppolite, Kathryn J Reissner
Adaptations in glutamate signaling within the brain's reward circuitry are observed following withdrawal from several abused drugs, including cocaine. These include changes in intrinsic cellular excitability, glutamate release, and glutamate uptake. Pharmacological or optogenetic reversal of these adaptations have been shown to reduce measures of cocaine craving and seeking, raising the hypothesis that regulation of glutamatergic signaling represents a viable target for the treatment of substance use disorders...
October 9, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28988615/mechanism-of-synergistic-action-on-behavior-oxidative-stress-and-inflammation-following-co-treatment-with-ketamine-and-different-antidepressant-classes
#3
Gislaine Z Réus, Beatriz I Matias, Amanda L Maciel, Helena M Abelaira, Zuleide M Ignácio, Airam B de Moura, Danyela Matos, Lucineia G Danielski, Fabricia Petronilho, André F Carvalho, João Quevedo
BACKGROUND: Major depressive disorder (MDD) affects many people in the world. However, around 40% of patients do not respond to any pharmacological drugs. An alternative is to use a combination of different pharmacological groups or the combination of a classical antidepressant with a substance that can potentiate its effect. Thus, this study aimed to investigate the synergistic interactions between different antidepressants, including fluoxetine, quetiapine and lamotrigine in combination with ketamine, a N-methyl-d-aspartate (NMDA) receptor antagonist...
May 6, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28983843/-azi2-3-utr-is-a-new-slc6a3-downregulator-associated-with-an-epistatic-protection-against-substance-use-disorders
#4
Kefu Liu, Jinlong Yu, Juan Zhao, Yanhong Zhou, Nian Xiong, Jie Xu, Tao Wang, Richard L Bell, Hong Qing, Zhicheng Lin
Regulated activity of SLC6A3, which encodes the human dopamine transporter (DAT), contributes to diseases such as substance abuse disorders (SUDs); however, the exact transcription mechanism remains poorly understood. Here, we used a common genetic variant of the gene, intron 1 DNP1B sequence, as bait to screen and clone a new transcriptional activity, (AZI2)3'UTR, for SLC6A3. (AZI2)3'UTR is a 3' untranslated region (3'UTR) of the human 5-Azacytidine Induced 2 gene (AZI2) but appeared to be transcribed independently of AZI2...
October 5, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28972576/the-effects-of-ketamine-on-dopaminergic-function-meta-analysis-and-review-of-the-implications-for-neuropsychiatric-disorders
#5
REVIEW
M Kokkinou, A H Ashok, O D Howes
Ketamine is a non-competitive antagonist at the N-methyl-d-aspartate receptor. It has recently been found to have antidepressant effects and is a drug of abuse, suggesting it may have dopaminergic effects. To examine the effect of ketamine on the dopamine systems, we carried out a systematic review and meta-analysis of dopamine measures in the rodent, human and primate brain following acute and chronic ketamine administration relative to a drug-free baseline or control condition. Systematic search of PubMed and PsychInfo electronic databases yielded 40 original peer-reviewed studies...
October 3, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28961087/the-kampo-medicine-yokukansan-yks-enhances-nerve-growth-factor-ngf-induced-neurite-outgrowth-in-pc12-cells
#6
Kazuki Terada, Yukari Matsushima, Kazuhisa Matsunaga, Jiro Takata, Yoshiharu Karube, Atsushi Ishige, Koji Chiba
Accumulating evidence indicates that neurotrophic factor-like substances involved in the induction of neurotrophic factor synthesis may aid in the treatment of neurological disorders, such as Alzheimer's disease. Yokukansan (YKS), a traditional Kampo medicine, has been used for the treatment of anxiety and mood disorders. In the present study, we analyzed the neurite length of nerve growth factor (NGF)-treated rat pheochromocytoma (PC12) cells via Western blot analysis. Akt and extracellular-regulated kinase 1/2 (ERK1/2) phosphorylation levels were assessed in the presence of YKS and following the treatment with TrkA inhibitor, K252a...
September 28, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28959852/-subacute-toxicity-metabonomics-of-jinlingzi-powder-based-on-lc-ms
#7
Shu-Jie Shen, Su-Fang Shui, Bing-Kun Xiao, Jian-Yun Yang, Rong-Qing Huang
To further understand the metabolic characteristics of Jinlingzi powder toxicity effect in rats and explore the effect of Jinlingzi powder on unknown biological pathways in the treatment process. In this experiment, the effect of three doses of Jinlingzi powder decoction on rat liver and kidney was investigated to explore the characteristics and rules of Jinlingzi powder on in vivo metabonomic changes in rats. First, urine and serum samples of the rats were used for LC-MS analysis. Under the XCMS online analysis, 44 differential substances were found in the identification of metabolites...
February 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28957664/hdac5-and-its-target-gene-npas4-function-in-the-nucleus-accumbens-to-regulate-cocaine-conditioned-behaviors
#8
Makoto Taniguchi, Maria B Carreira, Yonatan A Cooper, Ana-Clara Bobadilla, Jasper A Heinsbroek, Nobuya Koike, Erin B Larson, Evan A Balmuth, Brandon W Hughes, Rachel D Penrod, Jaswinder Kumar, Laura N Smith, Daniel Guzman, Joseph S Takahashi, Tae-Kyung Kim, Peter W Kalivas, David W Self, Yingxi Lin, Christopher W Cowan
Individuals suffering from substance-use disorders develop strong associations between the drug's rewarding effects and environmental cues, creating powerful, enduring triggers for relapse. We found that dephosphorylated, nuclear histone deacetylase 5 (HDAC5) in the nucleus accumbens (NAc) reduced cocaine reward-context associations and relapse-like behaviors in a cocaine self-administration model. We also discovered that HDAC5 associates with an activity-sensitive enhancer of the Npas4 gene and negatively regulates NPAS4 expression...
September 27, 2017: Neuron
https://www.readbyqxmd.com/read/28953637/sudden-valproate-induced-hyperammonemia-managed-with-l-carnitine-in-a-medically-healthy-bipolar-patient-essential-review-of-the-literature-and-case-report
#9
REVIEW
Carlo Ignazio Cattaneo, Francesca Ressico, Roberta Valsesia, Pierluigi D'Innella, Matteo Ballabio, Michele Fornaro
RATIONALE: Valproic Acid is a commonly used psychiatric drug primarily used as a mood stabilizer. Mild hyperammonemia is a Valproic Acid common adverse effect. This report presents an example of treated hyperammonemia on Valproic acid therapy managed with L-carnitine administration in BD patients characterized by sudden vulnerability. PATIENT CONCERNS: We report the case of a 29-year-old man suffering from bipolar disorder (BD) and substance use disorder who exhibited sudden altered mental status upon admittance to the inpatient unit...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28951609/rehabilitating-the-addicted-brain-with-transcranial-magnetic-stimulation
#10
REVIEW
Marco Diana, Tommi Raij, Miriam Melis, Aapo Nummenmaa, Lorenzo Leggio, Antonello Bonci
Substance use disorders (SUDs) are one of the leading causes of morbidity and mortality worldwide. In spite of considerable advances in understanding the neural underpinnings of SUDs, therapeutic options remain limited. Recent studies have highlighted the potential of transcranial magnetic stimulation (TMS) as an innovative, safe and cost-effective treatment for some SUDs. Repetitive TMS (rTMS) influences neural activity in the short and long term by mechanisms involving neuroplasticity both locally, under the stimulating coil, and at the network level, throughout the brain...
September 29, 2017: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/28948056/could-hallucinogens-induce-permanent-pupillary-changes-in-ab-users-a-case-report-from-new-zealand
#11
Ahmed Al-Imam
An eighteen-year-old female patient of the Caucasian ethnicity from Australasia presented with a persistently dilated pupil causing her discomfort and occasional burning sensation when she is outdoors due to oversensitivity to sunlight. However, her pupillary reaction to light (pupillary light reflex) was intact. The patient is a known user of psychedelic substances (entheogens) including LSD, NBOMe, psilocybin, and DMT. The condition affects both eyes to the same extent. Thorough medical, neurological, and radiological examinations, including an EEG and an MRI of the head and neck region, were completely normal...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28936010/dextromethorphan-in-cough-syrup-the-poor-man-s-psychosis
#12
Bridgette Martinak, Ramy A Bolis, Jeffrey Ryne Black, Rachel E Fargason, Badari Birur
Dextromethorphan (3-methoxy-N-methylmorphinan), also known as "DXM" and "the poor man's PCP," is a synthetically produced drug that is available in more than 140 over-the-counter cough and cold preparations. Dextromethorphan (DXM) has overtaken codeine as the most widely used cough suppressant due to its availability, efficacy, and safety profile at directed doses. However, DXM is subject to abuse. When consumed at inappropriately high doses (over 1500 mg/day), DXM can induce a state of psychosis characterized by Phencyclidine (PCP)-like psychological symptoms, including delusions, hallucinations, and paranoia...
September 15, 2017: Psychopharmacology Bulletin
https://www.readbyqxmd.com/read/28932156/possible-interaction-between-visfatin-periodontal-infection-and-other-systemic-diseases-a-brief-review-of-literature
#13
REVIEW
Mojtaba Bayani, Mohammad Pourali, Mohammad Keivan
Gingivitis and periodontitis are common bacterial infections caused by a variety of microorganisms. Despite the microorganisms' roles as etiologic agents, inflammation-induced substances also have crucial parts in the loss of connective tissue and the supporting alveolar bone. Visfatin is a pleiotropic mediator, which acts as growth factor, cytokine, and pre-B-cell colony-enhancing factor. A positive correlation was detected between the serum/plasma levels of visfatin and inflammatory disorders such as diabetes mellitus and cardiovascular disease...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28931135/rescuing-israeli-travellers-effects-of-substance-abuse-mental-health-geographic-region-of-rescue-gender-and-age-of-rescuees
#14
Hagit Bonny-Noach, Moran Sagiv-Alayoff
Background: Research conducted on young Israeli travellers has pointed to high substance usage rates. For some drug-using backpackers, actual extraction and rescue from their trip abroad is necessary. This study represents a first attempt to explore the influence of geographic region in which rescue occurs, cause for rescue and gender and age differences among Israeli rescuees. Methods: Sub-analysis of all logs of individual rescuees during a 5-year period from 2011 to 2016 ( N  = 86) included 66 men and 20 women, with an average age of 27...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28930140/identification-of-phlogacantholide-c-as-a-novel-adam10-enhancer-from-traditional-chinese-medicinal-plants
#15
Myriam Meineck, Florian Schuck, Sara Abdelfatah, Thomas Efferth, Kristina Endres
Background: Alzheimer's disease is one of the most prevalent dementias in the elderly population with increasing numbers of patients. One pivotal hallmark of this disorder is the deposition of protein aggregates stemming from neurotoxic amyloid-beta peptides. Synthesis of those peptides has been efficiently prevented in AD model mice by activation of an enzyme called alpha-secretase. Therefore, drugs with the capability to increase the expression of this enzyme, named ADAM10, have been suggested as a valuable therapeutic medication...
December 5, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28916448/molecular-and-synaptic-mechanisms-regulating-drug-associated-memories-towards-a-bidirectional-treatment-strategy
#16
REVIEW
Matthew T Rich, Mary M Torregrossa
The successful treatment of substance use disorders is dependent on the establishment of a long-term abstinent state. Relapse can be suppressed by interfering with memories of drug use that are evoked by re-exposure to drug-associated contexts and cues. Two strategies for accomplishing this goal are either to prevent drug-memory reconsolidation or to induce the formation of a competing, extinction memory. However, clinical attempts to prolong abstinence by behavioral modification of drug-related memories have had limited success...
September 13, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28912423/the-chinese-herbal-formula-free-and-easy-wanderer-ameliorates-oxidative-stress-through-keap1-nrf2-ho-1-pathway
#17
Chunlan Hong, Jingming Cao, Ching-Fen Wu, Onat Kadioglu, Anja Schüffler, Ulrich Kauhl, Sabine M Klauck, Till Opatz, Eckhard Thines, Norbert W Paul, Thomas Efferth
Posttraumatic stress disorder (PTSD) gains a lot of attention due to high prevalence and strong psychological upset, but the etiology remains undefined and effective treatment is quite limited. Growing studies demonstrated the involvement of oxidative stress in various psychiatry diseases, suggesting anti-oxidation therapy might be a strategy for PTSD treatment. Free and Easy Wanderer (FAEW) is a poly-herbal drug clinically used in China for hundreds of years in the treatment of psychiatric disorder. We hypothesized that FAEW exerts clinical effects through the activity against oxidative stress with fluoxetine as antidepressant control drug...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28892721/glial-and-neuroinflammatory-targets-for-treating-substance-use-disorders
#18
REVIEW
Ryan K Bachtell, Jermaine D Jones, Keith G Heinzerling, Patrick M Beardsley, Sandra D Comer
BACKGROUND: The plenary session at the 2016 Behavior, Biology and Chemistry: Translational Research in Addiction Conference focused on glia as potential players in the development, persistence and treatment of substance use disorders. Glia partake in various functions that are important for healthy brain activity. Drugs of abuse alter glial cell activity producing several perturbations in brain function that are thought to contribute to behavioral changes associated with substance use disorders...
August 31, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28889271/neurotoxicity-of-metal-mixtures
#19
V M Andrade, M Aschner, A P Marreilha Dos Santos
Metals are the oldest toxins known to humans. Metals differ from other toxic substances in that they are neither created nor destroyed by humans (Casarett and Doull's, Toxicology: the basic science of poisons, 8th edn. McGraw-Hill, London, 2013). Metals are of great importance in our daily life and their frequent use makes their omnipresence and a constant source of human exposure. Metals such as arsenic [As], lead [Pb], mercury [Hg], aluminum [Al] and cadmium [Cd] do not have any specific role in an organism and can be toxic even at low levels...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28873705/zebra-blenny-protein-hydrolysates-as-a-source-of-bioactive-peptides-with-prevention-effect-against-oxidative-dysfunctions-and-dna-damage-in-heart-tissues-of-rats-fed-a-cholesterol-rich-diet
#20
Naourez Ktari, Intidhar Bkhairia, Rim Nasri, Rihab Ben Abdallah Kolsi, Rabab Ben Slama-Ben Salem, Ibtissem Ben Amara, Najiba Zeghal, Basma Ben Salah, Riadh Ben Salah, Moncef Nasri
High-cholesterol diet (HCD) is suspected to produce in excess free radicals having adverse effects on human health and causing atherosclerosis damage in heart tissues. In our study, the effects of zebra blenny protein hydrolysates (ZBPHs) were investigated on cardiac oxidant/antioxidant status as well as DNA damage and histopathological disorders in rats, fed with a hypercholesterolemic diet. The molecular weight distribution of the hydrolysates was determined by size exclusion chromatography, which analyzed a representative hydrolysate type with a weight range of 3-20kDa...
October 2017: Food Research International
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