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https://www.readbyqxmd.com/read/28427996/no-evidence-that-environmental-enrichment-during-rearing-protects-against-cocaine-behavioral-effects-but-as-an-intervention-reduces-an-already-established-cocaine-conditioned-place-preference
#1
E Galaj, A Shukur, M Manuszak, K Newman, R Ranaldi
OBJECTIVES: Environmental enrichment (EE) produces differential effects on psychostimulant-related behaviors. Therefore, we investigated whether EE introduced during rearing and before cocaine exposure versus in adulthood and after cocaine exposure might be a determinant. METHODS: In Experiment 1, rats reared with EE or not (non-EE) were conditioned with cocaine (5, 10 or 20mg/kg) in one compartment of a CPP apparatus and saline in the other, and later tested for cocaine CPP...
April 17, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28424930/comparison-of-laparoscopic-hernia-repair-and-open-herniotomy-in-children-a-retrospective-cohort-study
#2
L L Zhu, W J Xu, J B Liu, X Huang, Z B Lv
BACKGROUND: Laparoscopic hernia repair in infancy and childhood is still debatable. The objective of this study is to compare laparoscopic-assisted hernia repair (LH) versus open herniotomy (OH) as regards operative time, postoperative complications, recurrence rate, and contralateral metachronous hernia rate. METHODS: We analyzed all the patients with inguinal hernia who underwent surgery in our hospital from January 1, 2015 to December 31, 2015. There were 1125 patients, of which 202 patients received laparoscopic inguinal hernia repair (group A) and 923 patients received open herniotomy (group B)...
April 19, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28424907/the-added-value-of-synovial-fluid-centrifugation-for-monosodium-urate-and-calcium-pyrophosphate-crystal-detection
#3
D Boumans, M E Hettema, H E Vonkeman, R G Maatman, M A van de Laar
The aim of the study was to assess the added value of synovial fluid (SF) centrifugation for microscopic monosodium urate (MSU) and calcium pyrophosphate (CPP) crystal detection in patients with arthritis. This is a prospective observational study using SF samples from joints of patients undergoing joint arthrocentesis. Two blinded observers assessed the SF smears by polarized light microscopy for the presence of crystals before as well as after centrifugation. SF samples were collected from 98 patients with arthritis...
April 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28419642/nicotine-induced-molecular-alterations-are-modulated-by-gabab-receptor-activity
#4
Andres P Varani, Valeria T Pedrón, Amira J Aon, Christian Höcht, Gabriela B Acosta, Bernhard Bettler, Graciela N Balerio
It has been demonstrated that GABAB receptors modulate nicotine (NIC) reward effect; nevertheless, the mechanism implicated is not well known. In this regard, we evaluated the involvement of GABAB receptors on the behavioral, neurochemical, biochemical and molecular alterations associated with the rewarding effects induced by NIC in mice, from a pharmacological and genetic approach. NIC-induced rewarding properties (0.5 mg/kg, subcutaneously, sc) were evaluated by conditioned place preference (CPP) paradigm...
April 17, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28419385/development-and-feasibility-of-a-group-based-therapeutic-yoga-program-for-women-with-chronic-pelvic-pain
#5
Alison J Huang, Tami S Rowen, Priscilla Abercrombie, Leslee L Subak, Michael Schembri, Traci Plaut, Maria T Chao
Objective.:  To develop a group-based therapeutic yoga program for women with chronic pelvic pain (CPP) and explore the effects of this program on pain severity, sexual function, and well-being. Methods.:  A yoga therapy program for CPP was developed by a multidisciplinary panel of clinicians, researchers, and yoga consultants. Women reporting moderate to severe pelvic pain for at least six months were recruited into a single-arm trial. Participants attended twice weekly group classes focusing on Iyengar-based yoga techniques and were instructed to practice yoga at home an hour a week for six weeks...
April 15, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28414340/comparison-of-chirped-probe-pulse-and-hybrid-femtosecond-picosecond-coherent-anti-stokes-raman-scattering-for-combustion-thermometry
#6
Daniel R Richardson, Hans U Stauffer, Sukesh Roy, James R Gord
A comparison is made between two ultrashort-pulse coherent anti-Stokes Raman scattering (CARS) thermometry techniques-hybrid femtosecond/picosecond (fs/ps) CARS and chirped-probe-pulse (CPP) fs-CARS-that have become standards for high-repetition-rate thermometry in the combustion diagnostics community. These two variants of fs-CARS differ only in the characteristics of the ps-duration probe pulse; in hybrid fs/ps CARS a spectrally narrow, time-asymmetric probe pulse is used, whereas a highly chirped, spectrally broad probe pulse is used in CPP fs-CARS...
April 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/28412501/regulation-of-baz1a-and-nucleosome-positioning-in-the-nucleus-accumbens-in-response-to-cocaine
#7
HaoSheng Sun, Diane M Damez-Werno, Kimberly N Scobie, Ning-Yi Shao, Caroline Dias, Jacqui Rabkin, Katherine N Wright, Ezekiell Mouzon, Mohamed Kabbaj, Rachael Neve, Gustavo Turecki, Li Shen, Eric J Nestler
Chromatin regulation, in particular ATP-dependent chromatin remodelers, have previously been shown to be important in the regulation of reward-related behaviors in animal models of mental illnesses. Here we demonstrate that BAZ1A, an accessory subunit of the ISWI family of chromatin remodeling complexes, is downregulated in the nucleus accumbens (NAc) of mice exposed repeatedly to cocaine and of cocaine-addicted humans. Viral-mediated overexpression of BAZ1A in mouse NAc reduces cocaine reward as assessed by CPP, but increases cocaine-induced locomotor activation...
April 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28411183/membrane-permeation-of-arginine-rich-cell-penetrating-peptides-independent-of-transmembrane-potential-as-a-function-of-lipid-composition-and-membrane-fluidity
#8
Rike Wallbrecher, Tobias Ackels, R Alis Olea, Marco J Klein, Lucie Caillon, Jürgen Schiller, Petra H Bovée-Geurts, Toin H van Kuppevelt, Anne S Ulrich, Marc Spehr, Merel J W Adjobo-Hermans, Roland Brock
Cell-penetrating peptides (CPPs) are prominent delivery vehicles to confer cellular entry of (bio-) macromolecules. Internalization efficiency and uptake mechanism depend, next to the type of CPP and cargo, also on cell type. Direct penetration of the plasma membrane is the preferred route of entry as this circumvents endolysosomal sequestration. However, the molecular parameters underlying this import mechanism are still poorly defined. Here, we make use of the frequently used HeLa and HEK cell lines to address the role of lipid composition and membrane potential...
April 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28408331/evaluation-of-effect-of-minocycline-on-rewarding-potential-and-alcohol-relapse-in-place-preference-model-in-mice
#9
Snehalata V Gajbhiye, Raakhi K Tripathi, Bharat Salve, Anup Petare, Anirudha V Potey
INTRODUCTION: Medical management for alcohol abuse has limitations. Alcohol consumption activates N-methyl-d-aspartate receptors and release of nitric oxide which can be inhibited by minocycline as it readily crosses blood brain barrier and may have effect on alcohol consumption. Thus, study objective is to evaluate the effect of minocycline on rewarding property, extinction and the reinstatement phenomenon induced by alcohol in a model of conditioned place preference (CPP) in mice. METHODOLOGY: To evaluate rewarding effects of alcohol, CPP procedure consisted of 4 parts, including adaptation (day 1), pre-conditioning test (day 2), conditionings with alcohol (days 3, 5, 7 and 9) or saline (days 4, 6, 8 and 10) and postconditioning test (day 11) conducted on 11 consecutive days...
April 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28405164/a-dual-mediated-liposomal-drug-delivery-system-targeting-the-brain-rational-construction-integrity-evaluation-across-the-blood-brain-barrier-and-the-transporting-mechanism-to-glioma-cells
#10
Chang Liu, Xiao-Na Liu, Gui-Ling Wang, Yu Hei, Shuai Meng, Ling-Fei Yang, Lan Yuan, Ying Xie
As the global population ages, cancer rates increase worldwide, and degenerative diseases of the central nervous system (CNS), brain tumors, and inflammation threaten human health more frequently. We designed a dual-mediated (receptor-mediated and adsorption-mediated) liposome, named transferrin-cell penetrating peptide-sterically stabilized liposome (TF-CPP-SSL), to improve therapy for gliomas through combining molecular recognition of transferrin receptors (TF-Rs) on the blood-brain barrier (BBB) and glioma cells with the internalization and lysosomal escaping ability of CPP...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28405163/enhancing-sirna-based-cancer-therapy-using-a-new-ph-responsive-activatable-cell-penetrating-peptide-modified-liposomal-system
#11
Bai Xiang, Xue-Li Jia, Jin-Long Qi, Li-Ping Yang, Wei-Hong Sun, Xiao Yan, Shao-Kun Yang, De-Ying Cao, Qing Du, Xian-Rong Qi
As a potent therapeutic agent, small interfering RNA (siRNA) has been exploited to silence critical genes involved in tumor initiation and progression. However, development of a desirable delivery system is required to overcome the unfavorable properties of siRNA such as its high degradability, molecular size, and negative charge to help increase its accumulation in tumor tissues and promote efficient cellular uptake and endosomal/lysosomal escape of the nucleic acids. In this study, we developed a new activatable cell-penetrating peptide (ACPP) that is responsive to an acidic tumor microenvironment, which was then used to modify the surfaces of siRNA-loaded liposomes...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28401925/menthol-enhances-nicotine-reward-related-behavior-by-potentiating-nicotine-induced-changes-in-nachr-function-nachr-upregulation-and-da-neuron-excitability
#12
Brandon J Henderson, Teagan R Wall, Beverley M Henley, Charlene H Kim, Sheri McKinney, Henry A Lester
Understanding why the quit rate among smokers of menthol cigarettes is lower than non-menthol smokers requires identifying the neurons that are altered by nicotine, menthol, and acetylcholine. Dopaminergic (DA) neurons in the ventral tegmental area (VTA) mediate the positive reinforcing effects of nicotine. Using mouse models, we show that menthol enhances nicotine-induced changes in nicotinic acetylcholine receptors (nAChRs) expressed on midbrain DA neurons. Menthol plus nicotine upregulates nAChR number and function on midbrain DA neurons more than nicotine alone...
April 12, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28401848/attachment-security-mediates-the-longitudinal-association-between-child-parent-psychotherapy-and-peer-relations-for-toddlers-of-depressed-mothers
#13
Danielle J Guild, Sheree L Toth, Elizabeth D Handley, Fred A Rogosch, Dante Cicchetti
Numerous investigations have demonstrated that child-parent psychotherapy (CPP) promotes secure attachment between mothers and offspring. However, the role of postintervention attachment security as it relates to long-term child outcomes has never been evaluated. The present study therefore examined postintervention attachment status as a mediator of the association between CPP for depressed mothers and their offspring and subsequent peer relations among offspring. Depressed mothers and their toddlers were randomized to receive CPP (n = 45) or to a control group (n = 55)...
May 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28392828/screening-of-wilson-s-disease-in-a-psychiatric-population-difficulties-and-pitfalls-a-preliminary-study
#14
Caroline Demily, François Parant, David Cheillan, Emmanuel Broussolle, Alice Pavec, Olivier Guillaud, Lioara Restier, Alain Lachaux, Muriel Bost
BACKGROUND: Wilson's disease (WD) is a rare autosomal-recessive, inherited disorder caused by a mutation in the copper-transporting gene ATP7B affecting the liver and nervous system. About 30% of patients with WD may initially present with psychiatric symptoms, and diagnosis can be difficult to establish. The objectives of the present preliminary study were [1] to evaluate the relevance of serum copper (Cu) and ceruloplasmin (Cp) measures in hospitalized patients with psychiatric disorders; and [2] to identify possible mutations in the ATP7B gene in patients with abnormal biological copper profile...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/28391271/metabolic-outcomes-bone-health-and-risk-of-polycystic-ovary-syndrome-in-girls-with-idiopathic-central-precocious-puberty-treated-with-gonadotropin-releasing-hormone-analogues
#15
Maria Felicia Faienza, Giacomina Brunetti, Angelo Acquafredda, Maurizio Delvecchio, Antonella Lonero, Alberto Gaeta, Paola Suavo Bulzis, Domenico Corica, Maria Rosa Velletri, Filippo De Luca, Luciano Cavallo, Malgorzata Wasniewska
BACKGROUND/AIMS: Gonadotropin-releasing hormone analogues (GnRHa) represent the gold standard treatment for central precocious puberty (CPP). We aimed to assess the effects of GnRHa treatment on metabolic outcomes, bone status, and polycystic ovary syndrome (PCOS) prevalence in young girls with idiopathic CPP (ICPP). METHODS: We enrolled 94 ICPP girls who were at least 2 years after menarche and had already attained adult height at the time of the study: 56 previously treated with depot triptorelin (3...
2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28390969/environmental-enrichment-reduces-chronic-psychosocial-stress-induced-anxiety-and-ethanol-related-behaviors-in-mice
#16
Amine Bahi
Previous research from our laboratory has shown that exposure to chronic psychosocial stress increased voluntary ethanol consumption and preference as well as acquisition of ethanol-induced conditioned place preference (CPP) in mice. This study was done to determine whether an enriched environment could have "curative" effects on chronic psychosocial stress-induced ethanol intake and CPP. For this purpose, experimental mice "intruders" were exposed to the chronic subordinate colony (CSC) housing for 19 consecutive days in the presence of an aggressive "resident" mouse...
April 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28388503/synthesis-and-in-vitro-evaluation-of-fluorescent-and-magnetic-nanoparticles-functionalized-with-a-cell-penetrating-peptide-for-cancer-theranosis
#17
Emiliana Perillo, Katel Hervé-Aubert, Emilie Allard-Vannier, Annarita Falanga, Stefania Galdiero, Igor Chourpa
We synthesized rationally designed multifunctional nanoparticles (NPs) composed of a superparamagnetic iron oxide nanoparticle (SPION) core, cyanine fluorescent dye emitting in far red, polyethylene glycol (PEG5000) coating, and the membranotropic peptide gH625, from the cell-penetrating peptides (CPP) family. The peptide sequence was enriched with an additional cysteine so it can be involved as a reactive moiety in a certain orientation- and sequence-specific coupling of the CPP to the PEG shell of the NPs...
March 29, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28387139/intracortical-electrophysiological-correlates-of-blood-flow-after-severe-sah-a-multimodality-monitoring-study
#18
Brandon Foreman, David Albers, J Michael Schmidt, Cristina Maria Falo, Angela Velasquez, E Sander Connolly, Jan Claassen
Subarachnoid hemorrhage (SAH) is a devastating form of stroke. Approximately one in four patients develop progressive neurological deterioration and silent infarction referred to as delayed cerebral ischemia (DCI). DCI is a complex, multifactorial secondary brain injury pattern and its pathogenesis is not fully understood. We aimed to study the relationship between cerebral blood flow (CBF) and neuronal activity at both the cortex and in scalp using electroencephalography (EEG) in poor-grade SAH patients undergoing multimodality intracranial neuromonitoring...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28385097/cerebral-perfusion-pressure-insults-and-associations-with-outcome-in-adult-traumatic-brain-injury
#19
Fabian Giza, Geert Meyfroidt, Ian Piper, Giuseppe Citerio, Iain Chambers, Per Enblad, Pelle Nilsson, Bart Feyen, Philippe Jorens, Andrew Maas, Martin Ulrich Schuhmann, Rob Donald, Laura Moss, Greet Van den Berghe, Bart Depreitere
The definition of cerebral perfusion pressure (CPP) secondary insults in severe traumatic brain injury remains unclear. The purpose of the present study is to visualize the association of intensity and duration of episodes below or above cerebral perfusion pressure thresholds and outcome. The analysis was based on prospectively collected minute-by-minute intracranial pressure (ICP) and blood pressure data and outcome from 259 adult patients. The relationship of episodes of CPP below or above a certain threshold for certain duration with the 6-month Glasgow Outcome Score was visualized, separately for episodes of active or deficient autoregulation (AR)...
April 7, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28381502/functional-diversification-of-kaurene-synthase-like-genes
#20
Baolong Jin, Guanghong Cui, Juan Guo, Jinfu Tang, Lixin Duan, Huixin Lin, Ye Shen, Tong Chen, Huabei Zhang, Luqi Huang
Ent-kaurene diterpenoids are the largest group of known Isodon diterpenoids. Among them, oridonin is accumulated in the leaves, and is the most frequently studied compound because of its anti-tumor and anti-bacterial activities. We have identified five copalyl diphosphate synthase (CPS) and six kaurene synthase-like (KSL) genes by transcriptome profiling of I. rubescens leaves. An in vitro assay assigns ten of them to five different diterpene biosynthesis pathways, except IrCPS3 that has a mutation in the catalytic motif...
April 5, 2017: Plant Physiology
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