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https://www.readbyqxmd.com/read/28928988/the-effect-of-glucocorticoid-and-glucocorticoid-receptor-interactions-on-brain-spinal-cord-and-glial-cell-plasticity
#1
REVIEW
Kathryn M Madalena, Jessica K Lerch
Stress, injury, and disease trigger glucocorticoid (GC) elevation. Elevated GCs bind to the ubiquitously expressed glucocorticoid receptor (GR). While GRs are in every cell in the nervous system, the expression level varies, suggesting that diverse cell types react differently to GR activation. Stress/GCs induce structural plasticity in neurons, Schwann cells, microglia, oligodendrocytes, and astrocytes as well as affect neurotransmission by changing the release and reuptake of glutamate. While general nervous system plasticity is essential for adaptation and learning and memory, stress-induced plasticity is often maladaptive and contributes to neuropsychiatric disorders and neuropathic pain...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28922159/can-musical-or-painting-interventions-improve-chronic-pain-mood-quality-of-life-and-cognition-in-patients-with-mild-alzheimer-s-disease-evidence-from-a-randomized-controlled-trial
#2
Elodie Pongan, Barbara Tillmann, Yohana Leveque, Béatrice Trombert, Jean Claude Getenet, Nicolas Auguste, Virginie Dauphinot, Hanane El Haouari, Malou Navez, Jean-Michel Dorey, Pierre Krolak-Salmon, Bernard Laurent, Isabelle Rouch
BACKGROUND: Among non-pharmacological therapies, musical intervention is often used for patients with Alzheimer's disease (AD) and patients presenting with chronic pain. However, their efficacy is still under debate. OBJECTIVE: Our aim was to determine the efficacy of choral singing versus painting sessions on chronic pain, mood, quality of life, and cognition in AD patients. METHODS: In this multicenter randomized controlled trial, 59 mild AD patients were randomized to a 12-week singing (SG; n = 31) or painting group (PG; n = 28)...
September 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28920970/-mind-your-teeth-the-relationship-between-mastication-and-cognition
#3
R A F Weijenberg, S Delwel, B V Ho, C D Wierink, F Lobbezoo
Elderly persons, especially those suffering from dementia, are at great risk of suffering from oral health problems such as orofacial pain and loss of natural teeth. A possible explanation could be that the cognitive and motor impairments resulting from dementia cause a decrease in self-care and as such, a worsening of oral health. An alternative explanation is that cognition and oral health influence each other. Animal studies show that a decrease in masticatory activity, for example due to a soft diet or loss of teeth, causes memory loss and neuronal degeneration...
September 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28919502/comparison-of-the-memory-foam-pad-versus-the-bean-bag-with-shoulder-braces-in-preventing-patient-displacement-during-gynecologic-laparoscopic-surgery
#4
Sara Farag, Leigh Rosen, Charles Ascher-Walsh
STUDY OBJECTIVE: The primary aim was to compare the amount of patient displacement when a memory foam pad is used versus a bean bag with shoulder braces. The secondary aim was to evaluate for post-operative extremity symptoms including pain, numbness, and weakness. DESIGN: Prospective randomized pilot study. DESIGN: Classification: Canadian Task Force Class I SETTING: Single academic institution PATIENTS: Women ≥ 18 years of age undergoing laparoscopic or robotic gynecologic surgery INTERVENTIONS: Patients were randomized to be positioned on the memory foam pad (Group A) or the bean bag with shoulder braces (Group B) pre-operatively...
September 15, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28892513/placebo-can-enhance-creativity
#5
Liron Rozenkrantz, Avraham E Mayo, Tomer Ilan, Yuval Hart, Lior Noy, Uri Alon
BACKGROUND: The placebo effect is usually studied in clinical settings for decreasing negative symptoms such as pain, depression and anxiety. There is interest in exploring the placebo effect also outside the clinic, for enhancing positive aspects of performance or cognition. Several studies indicate that placebo can enhance cognitive abilities including memory, implicit learning and general knowledge. Here, we ask whether placebo can enhance creativity, an important aspect of human cognition...
2017: PloS One
https://www.readbyqxmd.com/read/28890702/a-pilot-study-of-the-effects-of-mindfulness-based-stress-reduction-on-post-traumatic-stress-disorder-symptoms-and-brain-response-to-traumatic-reminders-of-combat-in-operation-enduring-freedom-operation-iraqi-freedom-combat-veterans-with-post-traumatic-stress
#6
James Douglas Bremner, Sanskriti Mishra, Carolina Campanella, Majid Shah, Nicole Kasher, Sarah Evans, Negar Fani, Amit Jasvant Shah, Collin Reiff, Lori L Davis, Viola Vaccarino, James Carmody
OBJECTIVE: Brain imaging studies in patients with post-traumatic stress disorder (PTSD) have implicated a circuitry of brain regions including the medial prefrontal cortex, amygdala, hippocampus, parietal cortex, and insula. Pharmacological treatment studies have shown a reversal of medial prefrontal deficits in response to traumatic reminders. Mindfulness-based stress reduction (MBSR) is a promising non-pharmacologic approach to the treatment of anxiety and pain disorders. The purpose of this study was to assess the effects of MBSR on PTSD symptoms and brain response to traumatic reminders measured with positron-emission tomography (PET) in Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) combat veterans with PTSD...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28890049/psychological-processes-in-chronic-pain-influences-of-reward-and-fear-learning-as-key-mechanisms-behavioral-evidence-neural-circuits-and-maladaptive-changes
#7
Frauke Nees, Susanne Becker
In the understanding of chronic pain, hypotheses derived from psychological theories, together with insights from physiological assessments and brain imaging, highlight the importance of mechanistically driven approaches. Physical system changes, for example following injury, can result in alterations of psychological processes and are accompanied by changes in corticolimbic circuits, which have been shown to be essential in emotional learning and memory, as well as reward processing and related behavior. In the present review, we thus highlight the importance of motivational, reward/pain relief, and fear learning processes in the context of chronic pain and discuss the potential of a mechanistic understanding of chronic pain within a clinical perspective, for example for the development of therapeutic strategies...
September 7, 2017: Neuroscience
https://www.readbyqxmd.com/read/28887225/substance-p-and-neurotensin-in-the-limbic-system-their-roles-in-reinforcement-and-memory-consolidation
#8
REVIEW
L Lénárd, K László, E Kertes, T Ollmann, L Péczely, A Kovács, V Kállai, O Zagorácz, R Gálosi, Z Karádi
Substance P (SP) and neurotensin (NT) are neuropeptides isolated in the periphery and in the central nervous system. They are involved in various regulatory processes in the gastrointestinal tract, in the circulatory and respiratory systems, kidney and endocrine system. In addition to the peripheral effects, SP and NT act as neurotransmitters and neuromodulators in the central nervous system, regulating various behavioural actions, such as general and motor activity, pain, food and water intake, anxiety, reward/reinforcement and memory consolidation...
September 5, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28881265/new-variants-near-rhoj-and-c2-hla-dra-region-and-susceptibility-to-endometriosis-in-the-polish-population-the-genome-wide-association-study
#9
Marta Sobalska-Kwapis, Beata Smolarz, Marcin Słomka, Tomasz Szaflik, Ewa Kępka, Bartosz Kulig, Anna Siewierska-Górska, Grzegorz Polak, Hanna Romanowicz, Dominik Strapagiel, Krzysztof Szyłło
OBJECTIVE: Endometriosis is a common gynaecological disease, associated with severe pelvic pain and reduced fertility; however, molecular mechanisms remain largely unknown. Genome-wide association studies (GWAS) are able to identify genetic loci, which can play significant role during endometriosis development. AIM: The study aimed at localisation of new genes and chromosomal loci, the nucleotide variants of which determine the level of susceptibility to endometriosis...
September 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28878030/the-hyperpolarization-activated-cyclic-nucleotide-gated-channels-from-biophysics-to-pharmacology-of-a-unique-family-of-ion-channels
#10
REVIEW
Laura Sartiani, Guido Mannaioni, Alessio Masi, Maria Novella Romanelli, Elisabetta Cerbai
Hyperpolarization-activated, cyclic nucleotide-gated (HCN) channels are important members of the voltage-gated pore loop channels family. They show unique features: they open at hyperpolarizing potential, carry a mixed Na/K current, and are regulated by cyclic nucleotides. Four different isoforms have been cloned (HCN1-4) that can assemble to form homo- or heterotetramers, characterized by different biophysical properties. These proteins are widely distributed throughout the body and involved in different physiologic processes, the most important being the generation of spontaneous electrical activity in the heart and the regulation of synaptic transmission in the brain...
October 2017: Pharmacological Reviews
https://www.readbyqxmd.com/read/28874926/craniosacral-therapy-and-visceral-manipulation-a-new-treatment-intervention-for-concussion-recovery
#11
Gail Wetzler, Melinda Roland, Sally Fryer-Dietz, Dee Dettmann-Ahern
Background: Military service members and veterans face health issues related to traumatic brain injury (TBI), especially during combat, use of heavy equipment, and exposures to environmental hazards and explosives. There were 400,000 TBIs reported in deployed U.S. troops in 2012. Athletes are also subject to TBI. Studies have indicated that some manual therapies could be helpful for treating patients who have post-concussive syndrome. Objective: This case series report describes the effects of CranioSacral Therapy (CST), Visceral Manipulation (VM), and Neural Manipulation (NM) modalities for treating patients who have post-concussion syndrome...
August 1, 2017: Medical Acupuncture
https://www.readbyqxmd.com/read/28869897/thalidomide-alleviates-postoperative-pain-and-spatial-memory-deficit-in-aged-rats
#12
Peng Guo, Si-Ping Hu
Pain is a major risk factor of post-operative cognitive dysfunction (POCD) in aged population. We investigated the effects of thalidomide, an anti-inflammatory and analgesic drug, on POCD in aged rats, and also explored the underlying mechanisms. Laparotomy was performed under anesthesia in aged rats (24-25 months) to establish POCD models. Thalidomide (5-50mg/kg) was intraperitoneally administered immediately after laparotomy. Within 12h after the operation, pain symptoms were assessed by rat grimace scale (RGS)...
September 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28868148/automatic-disease-diagnosis-using-optimised-weightless-neural-networks-for-low-power-wearable-devices
#13
Ramalingaswamy Cheruku, Damodar Reddy Edla, Venkatanareshbabu Kuppili, Ramesh Dharavath, Nareshkumar Reddy Beechu
Low-power wearable devices for disease diagnosis are used at anytime and anywhere. These are non-invasive and pain-free for the better quality of life. However, these devices are resource constrained in terms of memory and processing capability. Memory constraint allows these devices to store a limited number of patterns and processing constraint provides delayed response. It is a challenging task to design a robust classification system under above constraints with high accuracy. In this Letter, to resolve this problem, a novel architecture for weightless neural networks (WNNs) has been proposed...
August 2017: Healthcare Technology Letters
https://www.readbyqxmd.com/read/28864032/in-memory-of-norman-bowery-1944-2016
#14
REVIEW
David G Trist, Terry P Kenakin, Thomas P Blackburn
This article is in memory of Professor Norman Bowery (1944-2016). Norman was a pharmacologist who spent most of his career researching the pharmacology of γ-aminobutyric acid (GABA). He discovered a novel metabotropic receptor subtype, GABAB, that is pharmacologically, and structurally different from the original ionotropic receptor now designated as GABAA. In his research he also studied the neurotransmitters glutamate and substance P, two molecules whose release in parts of the spinal cord is inhibited by baclofen a GABAB receptor agonist...
August 29, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28860844/cognitive-effects-of-electro-acupuncture-and-pregabalin-in-a-trigeminal-neuralgia-rat-model-induced-by-cobra-venom
#15
Ruo-Wen Chen, Hui Liu, Jian-Xiong An, Xiao-Yan Qian, Yi-De Jiang, Doris K Cope, John P Williams, Rui Zhang, Li-Na Sun
OBJECTIVE: The objective of this study was to investigate the effects of electro-acupuncture (EA) and pregabalin on cognition impairment induced by chronic trigeminal neuralgia (TN) in rats. DESIGN: Controlled animal study. SETTING: Department of Anesthesiology, Pain Medicine and Critical Care Medicine, Aviation General Hospital of China Medical University. SUBJECTS: Forty adult male Sprague Dawley rats. METHODS: Rats were randomly divided into four groups...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28857583/neurophysiological-traces-of-interpersonal-pain-how-emotional-autobiographical-memories-affect-event-related-potentials
#16
Kristina B Rohde, Franz Caspar, Thomas Koenig, Antonio Pascual-Leone, Maria Stein
The automatic, involuntary reactivation of disturbing emotional memories, for example, of interpersonal pain, causes psychological discomfort and is central to many psychopathologies. This study aimed at elucidating the automatic brain processes underlying emotional autobiographical memories by investigating the neurophysiological dynamics within the first second after memory reactivation. Pictures of different individualized familiar faces served as cues for different specific emotional autobiographical memories, for example, for memories of interpersonal pain and grievances or for memories of appreciation in interpersonal relationships...
August 31, 2017: Emotion
https://www.readbyqxmd.com/read/28855373/cellular-and-molecular-mechanisms-of-calcium-calmodulin-dependent-protein-kinase-ii-in-chronic-pain
#17
Ya-Qun Zhou, Dai-Qiang Liu, Shu-Ping Chen, Jia Sun, Xue-Rong Zhou, Fang Luo, Yu-Ke Tian, Da-Wei Ye
Chronic pain, often defined as any pain lasting more than 3 months, is poorly managed due to its multifaceted and complex mechanisms. Calcium/calmodulin-dependent protein kinase II (CaMKII) is a multifunctional serine/threonine kinase, which plays a fundamental role in synaptic plasticity, learning and memory. Recently, emerging evidence demonstrate increased expression and activity of CaMKII in the spinal cord and dorsal root ganglia of various chronic pain models. Moreover, our previous studies also find that inhibiting CaMKII could attenuate inflammatory pain and neuropathic pain...
August 30, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28844624/symptom-distress-among-diverse-patients-referred-for-community-based-palliative-care-sociodemographic-and-medical-correlates
#18
Lara Dhingra, Malcolm Barrett, Helena Knotkova, Jack Chen, Alexa Riggs, Bernard Lee, Barbara Hiney, Maureen McCarthy, Russell Portenoy
CONTEXT: Community-based palliative care programs are appearing in the U.S. Many of these programs, particularly those in large cities, serve highly diverse populations. Information about the sources of variation in the conditions that drive illness burden, like symptom distress, may be useful in program planning. OBJECTIVES: To characterize variation in symptom distress among highly diverse patients referred for palliative care in an urban setting. METHODS: This is a retrospective cross-sectional survey of data obtained from patients at the time of enrollment in a community-based palliative care program...
August 24, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28817417/brain-processing-of-the-temporal-dimension-of-acute-pain-in-short-term-memory
#19
Mina Khoshnejad, Mathieu Roy, Kristina Martinu, Jen-I Chen, Julien Cohen-Adad, Simon Grondin, Pierre Rainville
The dynamics of noxious sensation shapes pain perception, yet the memory of the temporal dimension of pain remains almost completely unexplored. Here, brain activity during the memory of pain duration was contrasted with that associated with the memory of pain intensity using functional magnetic resonance imaging (fMRI) and a delayed-reproduction task. Participants encoded, maintained during a short delay, and reproduced (1) the 'duration' of pain (i.e. onset-to-offset), (2) the 'dynamics' of pain (i.e. evolution of pain over time), or (3) the intensity of pain (i...
July 3, 2017: Pain
https://www.readbyqxmd.com/read/28814150/nitrous-oxide-labor-analgesia-and-pain-relief-memory-in-breastfeeding-women
#20
Vincenzo Zanardo, Francesca Volpe, Matteo Parotto, Lara Giiberti, Alessia Selmin, Gianluca Straface
OBJECTIVE: The use of labor pain relief medications is a controversial issue that has engendered heated discussions among health care professionals about safety, interference with birthing, and breastfeeding. METHODS: This is a case-control study with 62 puerperae treated with nitrous oxide and 124 control women (ratio 1:2), matched for age, gestational age, parity, delivery route, labor augmentation, and spinal regional analgesia. We tested anhedonia, anxiety, and depression symptoms at hospital discharge by The Edinburgh Postnatal Depression Scale (EPDS), and the intensity of nitrous oxide labor pain relief and satisfaction memory by a retrospective Visual Analog Scale (VAS, 0-10 Numeric Rating Scale) at a set cut off time of 3 months of a child's age...
August 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
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