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https://www.readbyqxmd.com/read/28107617/fabrication-of-nanostructured-mesoporous-germanium-for-applications-in-laser-desorption-ionization-mass-spectrometry
#1
Hazem H Abdelmaksoud, Taryn M Guinan, Nicolas H Voelcker
Surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS) is a high-throughput analytical technique ideally suited for small molecule detection from different bodily fluids (e.g. saliva, urine, and blood plasma). Many SALDI-MS substrates require complex fabrication processes and further surface modifications. Furthermore, some substrates show instability upon exposure to ambient conditions and need to be kept under special inert conditions. We have successfully optimized mesoporous germanium (meso-pGe) using bipolar electrochemical etching (BEE) and efficiently applied meso-pGe as a SALDI-MS substrate for the detection of cocaine in the context of workplace, roadside, and anti-addictive drug compliance...
January 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28104295/systematic-drug-sensitivity-testing-reveals-synergistic-growth-inhibition-by-dasatinib-or-mtor-inhibitors-with-paclitaxel-in-ovarian-granulosa-cell-tumor-cells
#2
Ulla-Maija Haltia, Noora Andersson, Bhagwan Yadav, Anniina Färkkilä, Evgeny Kulesskiy, Matti Kankainen, Jing Tang, Ralf Bützow, Annika Riska, Arto Leminen, Markku Heikinheimo, Olli Kallioniemi, Leila Unkila-Kallio, Krister Wennerberg, Tero Aittokallio, Mikko Anttonen
OBJECTIVE: Resistance to standard chemotherapy poses a major clinical problem in the treatment of ovarian cancer patients. Adult-type granulosa cell tumor (AGCT) is a unique ovarian cancer subtype for which efficient treatment options are lacking in advanced disease. To this end, systematic drug response and transcriptomics profiling were performed to uncover new therapy options for AGCTs. METHODS: The responses of three primary and four recurrent AGCTs to 230 anticancer compounds were screened in vitro using a systematic drug sensitivity and resistance testing (DSRT) platform, coupled with mRNA sequencing...
January 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28098924/-hypernatremia-caused-by-treatment-with-ghb-obtained-via-a-doctor-s-prescription
#3
I M Rood, C G W Seijger, J A van Waarde, M M R de Maat, J C Verhave, M J Blans
In the last few years, gamma hydroxybutyric acid (GHB) has been used increasingly as a party drug; this has led to a marked increase in the number of requests for professional help with the treatment of GHB addiction. Pharmaceutical GHB (sodium oxybate, the sodium-salt of GHB), registered for cataplexia in narcolepsy patients, is used off-label to treat the withdrawal symptoms associated with GHB addiction. Pharmaceutical GHB has a high sodium load. In this report we present the cases of two patients who developed symptomatic hypernatremia following treatment with pharmaceutical GHB and who thereafter needed intensive care for the severe withdrawal symptoms that they experienced...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28097813/drug-addictions-new-insight-into-causes-comorbidity-and-potential-treatments
#4
EDITORIAL
Andrew Holmes
No abstract text is available yet for this article.
January 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28088744/self-concept-mediate-the-relationship-between-childhood-maltreatment-and-abstinence-motivation-as-well-as-self-efficacy-among-drug-addicts
#5
Feng-Ying Lu, Si Wen, Gang Deng, Yung-Lung Tang
OBJECTIVE: Childhood maltreatment is widely accepted as a risk factor for drug addiction from adolescence to adulthood. However, the influence of childhood maltreatment on drug treatment related variables, such as drug abstinence motivation and self-concept, as well as self-efficacy, remains unclear. This study aims at exploring whether self-concept mediates the relationship between childhood maltreatment and abstinence motivation, as well as self-efficacy, among drug addicts. METHODS: This study involves 816 (550 males, 226 females, mean age=34...
January 6, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28086792/irish-general-practitioner-attitudes-toward-decriminalisation-and-medical-use-of-cannabis-results-from-a-national-survey
#6
Des Crowley, Claire Collins, Ide Delargy, Eamon Laird, Marie Claire Van Hout
BACKGROUND: Governmental debate in Ireland on the de facto decriminalisation of cannabis and legalisation for medical use is ongoing. A cannabis-based medicinal product (Sativex®) has recently been granted market authorisation in Ireland. This unique study aimed to investigate Irish general practitioner (GP) attitudes toward decriminalisation of cannabis and assess levels of support for use of cannabis for therapeutic purposes (CTP). METHODS: General practitioners in the Irish College of General Practitioner (ICGP) database were invited to complete an online survey...
January 13, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28076844/sulforaphane-inhibits-cancer-stem-like-cell-properties-and-cisplatin-resistance-through-mir-214-mediated-downregulation-of-c-myc-in-non-small-cell-lung-cancer
#7
Qian-Qian Li, You-Ke Xie, Yue Wu, Lin-Lin Li, Ying Liu, Xiao-Bo Miao, Qiu-Zhen Liu, Kai-Tai Yao, Guang-Hui Xiao
We herein report that sulforaphane (SFN), a potent anti-cancer and well-tolerated dietary compound, inhibits cancer stem-like cell (CSC) properties and enhances therapeutic efficacy of cisplatin in human non-small cell lung cancer (NSCLC). SFN exerted these functions through upregulation of miR-214, which in turn targets the coding region of c-MYC. This finding was further corroborated by our observations that plasmid or lentiviral vector-mediated expression of 3'UTR-less c-MYC cDNA and cisplatin- or doxorubicin-induced endogenous c-MYC accumulation was similarly suppressed by either SFN or miR-214...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28067062/developments-in-pharmacotherapy-for-treating-metastatic-non-small-cell-lung-cancer
#8
Antonio Rossi, Paola Claudia Sacco, Giuseppe Santabarbara, Assunta Sgambato, Francesca Casaluce, Giovanni Palazzolo, Paolo Maione, Cesare Gridelli
Most patients with non-small cell lung (NSCLC), including squamous cell carcinoma, adenocarcinoma and large cell carcinoma, have advanced disease at diagnosis and systemic therapy is the standard-of-care. About 20% of Caucasian patients are affected by an oncogene-addicted advanced NSCLC for which correspondent inhibitors are available. Areas covered: The main state-of-the-art synthetic anticancer drugs in the groups of chemotherapeutics, epidermal growth factor receptor and anaplastic lymphoma kinase tyrosine kinase inhibitors for NSCLC treatment, are reviewed and discussed from phase III randomized practice-changing trials onwards...
January 8, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28065813/aapt-diagnostic-criteria-for-chronic-sickle-cell-disease-pain
#9
REVIEW
Carlton Dampier, Tonya M Palermo, Deepika S Darbari, Kathryn Hassell, Wally Smith, William Zempsky
: Pain in sickle cell disease (SCD) is associated with increased morbidity, mortality, and high healthcare costs. While episodic acute pain is the hallmark of this disorder, there is an increasing awareness that chronic pain is part of the pain experience of many older adolescents and adults. A common set of criteria for classifying chronic pain associated with SCD would enhance SCD pain research efforts in epidemiology, pain mechanisms, and clinical trials of pain management interventions, and ultimately improve clinical assessment and management...
January 5, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28065792/the-analgesic-effects-of-oxytocin-in-the-peripheral-and-central-nervous-system
#10
Qing Xin, Bo Bai, Wenyan Liu
Pain is a ubiquitously unpleasant feeling among humans as well as many animal species often caused by actual and potential tissue damage. However, it is absolutely crucial for our survival in many ways. Acute pain can signal the presence of danger or life-threatenting events, which help escape noxious stimuli. By contrast, when pain becomes chronic or persistent, it becomes an encumbrance and exerts deleterious effects to the body and mind, often co-occured with anxiety and depression. Additionaly, chronic pain is more or less an economic burden for the patients because it requires immediate medical treatments and seriously hinders pepople in their work...
January 5, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28062254/the-effects-of-d-govadine-on-conditioned-place-preference-with-d-amphetamine-or-food-reward
#11
Maya O Nesbit, Carine Dias, Anthony G Phillips
Tetrahydroprotoberberines (THPB) have a high affinity for dopamine (DA) D1 and D2 receptors and may provide a novel treatment for drug addiction. We assessed the effects of the THPB d-govadine on the acquisition, expression, extinction and reinstatement of d-amphetamine-(1.5mg/kg, i.p.) induced conditioned place preference (CPP). Furthermore, the effects of d-govadine on conditioned association between contextual stimuli and a natural reward were examined using food-induced CPP. In separate experiments, rats received d-govadine (0, 0...
January 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28055143/no-wrong-doors-findings-from-a-critical-review-of-behavioral-randomized-clinical-trials-for-individuals-with-co-occurring-alcohol-drug-problems-and-ptsd
#12
Tracy L Simpson, Keren Lehavot, Ismene L Petrakis
Prior reviews of behavioral treatments for individuals with comorbid alcohol and drug use disorders (SUD) and PTSD have not systematically considered whether comparison conditions are matched to target treatments on time and attention. A systematic literature search using PubMed MESH terms for alcohol and substance use disorders, PTSD, and treatment identified relevant behavioral randomized clinical trials (RCTs) that evaluated PTSD-oriented exposure-based treatments, addiction-focused treatments, and coping-based treatments that do not involve exposure to trauma memories...
January 5, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28052701/potential-for-targeting-dopamine-darpp-32-signaling-in-neuropsychiatric-and-neurodegenerative-disorders
#13
Akinori Nishi, Takahide Shuto
Alterations in dopamine neurotransmission has been implicated in pathophysiology of neuropsychiatric and neurodegenerative disorders, and DARPP-32 plays a pivotal role in dopamine neurotransmission. DARPP-32 likely influences dopamine-mediated behaviors in animal models of neuropsychiatric and neurodegenerative disorders and therapeutic effects of pharmacological treatment. Areas covered: We will review animal studies on the biochemical and behavioral roles of DARPP-32 in drug addiction, schizophrenia and Parkinson's disease...
January 13, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28051841/a-review-of-a-national-training-initiative-to-increase-provider-use-of-mat-to-address-the-opioid-epidemic
#14
REVIEW
Frances R Levin, Adam Bisaga, Maria A Sullivan, Arthur Robin Williams, Kathryn Cates-Wessel
BACKGROUND AND OBJECTIVES: The Providers' Clinical Support System for Medication Assisted Treatment (PCSS-MAT) initiative focuses on training and mentoring health professionals in the treatment of opioid use disorders (OUD) using pharmacological strategies. Led by the American Academy of Addiction Psychiatry (AAAP), PCSS-MAT is a consortium representing four of the five national professional organizations authorized by DATA 2,000-AAAP, American Osteopathic Academy of Addiction Medicine, American Psychiatric Association, and American Society of Addiction Medicine...
December 2016: American Journal on Addictions
https://www.readbyqxmd.com/read/28051839/social-context-and-perspectives-of-non-medical-prescription-opioid-use-among-young-adults-in-rhode-island-a-qualitative-study
#15
Jesse L Yedinak, Elizabeth N Kinnard, Scott E Hadland, Traci C Green, Melissa A Clark, Brandon D L Marshall
BACKGROUND AND OBJECTIVES: This pilot study examined the context of nonmedical prescription opioid (NMPO) use and related risk behaviors among young adults in Rhode Island, a New England region with markedly high prevalence of NMPO use and overdose mortality. METHODS: We conducted semi-structured interviews (n = 13) with young adults (18-29 year-olds) who reported current or recent NMPO use. We also conducted focus groups (two groups, n = 14 total) with professional service providers recruited from service organizations...
December 2016: American Journal on Addictions
https://www.readbyqxmd.com/read/28049461/mental-distress-following-inpatient-substance-use-treatment-modified-by-substance-use-comparing-voluntary-and-compulsory-admissions
#16
Adrian R Pasareanu, John-Kåre Vederhus, Anne Opsal, Øistein Kristensen, Thomas Clausen
BACKGROUND: Treatment services to patients with substance use disorders (SUDs), including those mandated to treatment, needs to be evaluated and evidence based. The Norwegian Municipal Health Care Act (NMHCA) calls for compulsory treatment for persons with "severe and life-threatening substance use disorder" if these individuals are not otherwise willing to be voluntarily treated and consequently risk their lives over drug use. Mental distress is known to be high among SUD patients admitted to inpatient treatment...
January 3, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28043614/multidrug-resistant-tuberculosis-the-problem-and-some-priorities-in-controlling-it
#17
Sven Hoffner
Multidrug-resistant tuberculosis (MDR-TB), and even more severe forms of drug resistance, cause significant problems and costs for national TB control programs and constitutes an increasing public health concern globally. In parts of the former Soviet Union, the prevalence of MDR-TB is as high as 50% and one third of all newly detected TB patients are infected with MDR strains. Such strains transmit and certain MDR-TB clones constitute an important part of the problem, especially in high MDR-TB burden areas...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28042872/infralimbic-glun2a-containing-nmda-receptors-modulate-reconsolidation-of-cocaine-self-administration-memory
#18
Madalyn Hafenbreidel, Carolynn Rafa Todd, Devin Mueller
Addiction is characterized by high relapse susceptibility, and relapse can be triggered by drug-associated cues. Cue presentation induces retrieval of the drug-cue memory, which becomes labile and must be reconsolidated into long-term storage. Repeated unpaired cue presentation, however, induces extinction. Cue-reactivity can be reduced by blocking reconsolidation or facilitating extinction, which are mediated by NMDA receptors (NMDArs). However, the role of NMDArs in either process following self-administration is unclear...
January 2, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28039084/halofuginone-enhances-the-chemo-sensitivity-of-cancer-cells-by-suppressing-nrf2-accumulation
#19
Kouhei Tsuchida, Tadayuki Tsujita, Makiko Hayashi, Asaka Ojima, Nadine Keleku-Lukwete, Fumiki Katsuoka, Akihito Otsuki, Haruhisa Kikuchi, Yoshiteru Oshima, Mikiko Suzuki, Masayuki Yamamoto
The KEAP1-NRF2 system regulates the cellular defence against oxidative and xenobiotic stresses. NRF2 is a transcription factor that activates the expression of cytoprotective genes encoding antioxidative, detoxifying and metabolic enzymes as well as transporters. Under normal conditions, KEAP1 represses NRF2 activity by degrading the NRF2 protein. When cells are exposed to stresses, KEAP1 stops promoting NRF2 degradation, and NRF2 rapidly accumulates and activates the transcription of target genes. Constitutive accumulation of NRF2 via a variety of mechanisms that disrupt KEAP1-mediated NRF2 degradation has been observed in various cancer types...
December 28, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28038309/diazepam-inhibits-electrically-evoked-and-tonic-dopamine-release-in-the-nucleus-accumbens-and-reverses-the-effect-of-amphetamine
#20
Alexander Gomez-A, Amanda Maino Fiorenza, Suelen Lucio Boschen, Adam H Sugi, Danielle Beckman, Sergio T Ferreira, Kendall H Lee, Charles D Blaha, Claudio Da Cunha
Diazepam is a benzodiazepine receptor agonist with anxiolytic and addictive properties. Although most drugs of abuse increase dopamine release in the nucleus accumbens, here we show that not only it causes the opposite effect but also prevents amphetamine action on increasing dopamine release. We used 20 min sampling in vivo microdialysis and subsecond fast-scan cyclic voltammetry recordings at carbon-fiber microelectrodes to show that diazepam caused a dose-dependent decrease in tonic and electrically-evoked dopamine release in the nucleus accumbens of urethane anesthetized adult male Swiss mice...
December 30, 2016: ACS Chemical Neuroscience
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