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https://www.readbyqxmd.com/read/29351056/remediation-of-radiation-induced-cognitive-dysfunction-through-oral-administration-of-the-neuroprotective-compound-nsi-189
#1
Barrett Allen, Munjal M Acharya, Celine Lu, Erich Giedzinski, Nicole Chmielewski, David Quach, Mike Hefferan, Karl K Johe, Charles L Limoli
Clinical management of primary and secondary central nervous system (CNS) malignancies frequently includes radiotherapy to forestall tumor growth and recurrence after surgical resection. While cranial radiotherapy remains beneficial, adult and pediatric brain tumor survivors suffer from a wide range of debilitating and progressive cognitive deficits. Although this has been recognized as a significant problem for decades, there remains no clinical recourse for the unintended neurocognitive sequelae associated with these types of cancer treatments...
January 19, 2018: Radiation Research
https://www.readbyqxmd.com/read/29350556/rehabilitation-of-a-young-athlete-with-extension-based-low-back-pain-addressing-motor-control-impairments-and-central-sensitization
#2
John J Winslow, Mark Jackson, Andrew Getzin, Michael Costello
OBJECTIVE:   To describe the conservative management of a young athlete with extension-based (EB) low back pain (LBP). BACKGROUND:   We present the case of a 15-year-old female high school gymnast with a 4-year history of EB LBP. Magnetic resonance imaging revealed a healed spondylolysis and significant lumbar multifidi muscle (LMM) atrophy with fatty infiltrate. She had several courses of outpatient orthopaedic rehabilitation that focused on core muscle strengthening (improving activation and strength of the LMM and transversus abdominus muscle in a neutral pelvic position) without long-lasting improvement...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29348190/pronounced-hyperactivity-cognitive-dysfunctions-and-bdnf-dysregulation-in-dopamine-transporter-knockout-rats
#3
Damiana Leo, Ilya Sukhanov, Francesca Zoratto, Placido Illiano, Lucia Caffino, Fabrizio Sanna, Giulia Messa, Marco Emanuele, Alessandro Esposito, Maria Dorofeikova, Evgeny A Budygin, Liudmila Mus, Evgenia E Efimova, Marco Niello, Stefano Espinoza, Tatyana D Sotnikova, Marius C Hoener, Gianni Laviola, Fabio Fumagalli, Walter Adriani, Raul R Gainetdinov
Dopamine (DA) controls many vital physiological functions and is critically involved in several neuropsychiatric disorders such as schizophrenia and attention deficit hyperactivity disorder (ADHD). The major function of the plasma membrane dopamine transporter (DAT) is the rapid uptake of released DA into presynaptic nerve terminals leading to control of both the extracellular levels of DA and the intracellular stores of DA. Here, we present a newly developed strain of rats (DAT-knockout, DAT-KO rats) in which the gene encoding the DAT has been disrupted by using zinc finger nuclease technology (ZFN)...
January 18, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29346658/potential-for-diet-to-prevent-and-remediate-cognitive-deficits-in-neurological-disorders
#4
Heather M Francis, Richard J Stevenson
The pathophysiology of many neurological disorders involves oxidative stress, neuroinflammation, and mitochondrial dysfunction. There is now substantial evidence that diet can decrease these forms of pathophysiology, and an emerging body of literature relatedly suggests that diet can also prevent or even remediate the cognitive deficits observed in neurological disorders that exhibit such pathology (eg, Alzheimer's disease, multiple sclerosis, age-related cognitive decline, epilepsy). The current review summarizes the emerging evidence in relation to whole diets prominent in the scientific literature-ketogenic, caloric restriction, high polyphenol, and Mediterranean diets-and provides a discussion of the possible underlying neurophysiological mechanisms...
January 15, 2018: Nutrition Reviews
https://www.readbyqxmd.com/read/29346083/testing-the-cognitive-catalyst-model-of-rumination-with-explicit-and-implicit-cognitive-content
#5
Christopher C Sova, John E Roberts
BACKGROUND AND OBJECTIVES: The cognitive catalyst model posits that rumination and negative cognitive content, such as negative schema, interact to predict depressive affect. Past research has found support for this model using explicit measures of negative cognitive content such as self-report measures of trait self-esteem and dysfunctional attitudes. The present study tested whether these findings would extend to implicit measures of negative cognitive content such as implicit self-esteem, and whether effects would depend on initial mood state and history of depression...
January 5, 2018: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/29345880/strategies-for-managing-patients-with-depression-who-are-experiencing-cognitive-impairment
#6
Larry Culpepper
Pronounced deficits in executive function are found in up to one-third of patients with MDD, and this impairment can keep patients from achieving full functional recovery. In this CME activity, review the evidence regarding the effectiveness of available interventions to improve cognitive dysfunction in patients with MDD.
November 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29345866/cognitive-impairment-in-patients-with-depression-awareness-assessment-and-management
#7
REVIEW
Larry Culpepper, Raymond W Lam, Roger S McIntyre
​​ Cognitive impairment is a common, often persistent, symptom of major depressive disorder (MDD) that is disproportionately represented in patients who have not returned to full psychosocial functioning. The ultimate goal of treatment in depression is full functional recovery, and assessing patients for cognitive impairment and selecting treatments that address cognitive dysfunction should lead to improved functional outcomes. Unfortunately, many clinicians use screening and assessment tools that are not suited for measuring cognitive impairment in patients with depression...
November 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29345733/putative-mechanisms-of-cognitive-decline-with-implications-for-clinical-research-and-practice
#8
Tadeu Oliveira, Angela Starkweather, Divya Ramesh, Joseph Fetta, Debra Lynch Kelly, Debra E Lyon, Lana Sargent
Multiple intrinsic and extrinsic mechanisms contribute to vulnerability of cognitive decline and nurses play a significant role in assisting individuals and families to use strategies for healthy cognitive aging. The objective of this narrative review is to provide a synthesis of the intrinsic and extrinsic mechanisms of cognitive decline and conditions that are associated with cognitive decline. Well-established intrinsic mechanisms of cognitive decline include aging, apolipoprotein E (APOE) ε4 carrier status, SORL1 mutations, neuroinflammation, mitochondrial dysfunction, amyloid deposition, and demyelination...
January 18, 2018: Nursing Forum
https://www.readbyqxmd.com/read/29345192/cross-validation-of-the-dot-counting-test-in-a-large-sample-of-credible-and-non-credible-patients-referred-for-neuropsychological-testing
#9
Courtney McCaul, Kyle B Boone, Annette Ermshar, Maria Cottingham, Tara L Victor, Elizabeth Ziegler, Michelle A Zeller, Matthew Wright
OBJECTIVE: To cross-validate the Dot Counting Test in a large neuropsychological sample. METHOD: Dot Counting Test scores were compared in credible (n = 142) and non-credible (n = 335) neuropsychology referrals. RESULTS: Non-credible patients scored significantly higher than credible patients on all Dot Counting Test scores. While the original E-score cut-off of ≥17 achieved excellent specificity (96.5%), it was associated with mediocre sensitivity (52...
January 18, 2018: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29345055/npas4-deficiency-interacts-with-adolescent-stress-to-disrupt-prefrontal-gabaergic-maturation-and-adult-cognitive-flexibility
#10
Chloe Page, Jonathan Alexander, Ryan Shepard, Laurence Coutellier
Healthy cognitive and emotional functioning relies on a balance between excitatory and inhibitory neurotransmission in the prefrontal cortex. This balance is largely established during early postnatal and adolescent developmental periods by maturation of the γ-aminobutyric acid (GABA) system, including increased density of parvalbumin cells and perineuronal nets. Genetic and/or environmental factors during adolescence can disrupt GABAergic maturation and lead to behavioral dysfunction in adulthood. The present study examined the interaction between chronic mild stress during adolescence and genetic deficiency of neuronal PAS domain 4 (Npas4), a brain-specific transcription factor that regulates inhibitory neurotransmission and that contributes to adolescent prefrontal GABAergic maturation...
January 18, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29345054/isoflurane-anesthesia-in-aged-mice-and-effects-of-a1-adenosine-receptors-on-cognitive-impairment
#11
Chun-Long Zuo, Chun-Man Wang, Jin Liu, Ting Shen, Jiang-Ping Zhou, Xin-Rui Hao, Yi-Zhao Pan, Hua-Cheng Liu, Qing-Quan Lian, Han Lin
AIMS: Isoflurane may not only accelerate the process of Alzheimer's disease (AD), but increase the risk of incidence of postoperative cognitive dysfunction (POCD). However, the underlying mechanisms remain unknown. This study was designed to investigate whether isoflurane contributed to the POCD occurrence through A1 adenosine receptor (A1AR) in aged mice. METHODS: We assessed cognitive function of mice with Morris water maze (MWM) and then measured expression level of two AD biomarkers (P-tau and Aβ) and a subtype of the NMDA receptor (NR2B) in aged wild-type (WT) and homozygous A1 adenosine receptor (A1AR) knockout (KO) mice at baseline and after they were exposed to isoflurane (1...
January 17, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29344658/microrna-188-3p-is-involved-in-sevoflurane-anesthesia-induced-neuroapoptosis-by-targeting-mdm2
#12
Lei Wang, Mengliang Zheng, Shuishui Wu, Zhiqiang Niu
Sevoflurane is a commonly used inhalation anesthetic. Sevoflurane-induced neuroapoptosis and cognitive impairments in animals are widely reported, however, the underlying molecular mechanisms remain largely unknown. The results of the present study demonstrated that sevoflurane anesthesia induced spatial memory impairments in rats, as determined by the Morris water maze test. Mechanistically, the current study demonstrated that sevoflurane administration significantly enhanced the expression of microRNA (miR)‑188‑3p...
January 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344175/effects-of-andrographolide-on-postoperative-cognitive-dysfunction-and-the-association-with-nf-%C3%AE%C2%BAb-mapk-pathway
#13
Yongbo Ding, Cunxian Shi, Linjing Chen, Piliang Ma, Kezhong Li, Jin Jin, Qingfeng Zhang, Aizhi Li
The present study investigated the effects of andrographolide on postoperative cognitive dysfunction (POCD) in aged rats to gain insight of the underlying mechanism, which may provide theoretical basis for the clinical application of andrographolide to prevent POCD in older patients. Thirty aged male rats were randomly assigned to 3 groups: Control, model and andrographolide groups. The Morris water maze test was used to examine the spatial memory and learning ability of the rats postoperatively. The histological alterations of neuronal cells in the hippocampus were visualized by H&E staining...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343837/neurocognitive-dysfunction-in-hematopoietic-cell-transplant-recipients-expert-review-from-the-late-effects-and-quality-of-life-working-committee-of-the-cibmtr-and-complications-and-quality-of-life-working-party-of-the-ebmt
#14
REVIEW
David Buchbinder, Debra Lynch Kelly, Rafael F Duarte, Jeffery J Auletta, Neel Bhatt, Michael Byrne, Zachariah DeFilipp, Melissa Gabriel, Anuj Mahindra, Maxim Norkin, Helene Schoemans, Ami J Shah, Ibrahim Ahmed, Yoshiko Atsuta, Grzegorz W Basak, Sara Beattie, Sita Bhella, Christopher Bredeson, Nancy Bunin, Jignesh Dalal, Andrew Daly, James Gajewski, Robert Peter Gale, John Galvin, Mehdi Hamadani, Robert J Hayashi, Kehinde Adekola, Jason Law, Catherine J Lee, Jane Liesveld, Adriana K Malone, Arnon Nagler, Seema Naik, Taiga Nishihori, Susan K Parsons, Angela Scherwath, Hannah-Lise Schofield, Robert Soiffer, Jeff Szer, Ida Twist, Anne B Warwick, Baldeep M Wirk, Jean Yi, Minoo Battiwalla, Mary D E Flowers, Bipin Savani, Bronwen E Shaw
Hematopoietic cell transplantation (HCT) is a potentially curative treatment for children and adults with malignant and non-malignant diseases. Despite increasing survival rates, long-term morbidity following HCT is substantial. Neurocognitive dysfunction is a serious cause of morbidity, yet little is known about neurocognitive dysfunction following HCT. To address this gap, collaborative efforts of the Center for International Blood and Marrow Transplant Research and the European Society for Blood and Marrow Transplantation undertook an expert review of neurocognitive dysfunction following HCT...
January 17, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29343470/cognition-in-multiple-sclerosis-state-of-the-field-and-priorities-for-the-future
#15
REVIEW
James F Sumowski, Ralph Benedict, Christian Enzinger, Massimo Filippi, Jeroen J Geurts, Paivi Hamalainen, Hanneke Hulst, Matilde Inglese, Victoria M Leavitt, Maria A Rocca, Eija M Rosti-Otajarvi, Stephen Rao
Cognitive decline is recognized as a prevalent and debilitating symptom of multiple sclerosis (MS), especially deficits in episodic memory and processing speed. The field aims to (1) incorporate cognitive assessment into standard clinical care and clinical trials, (2) utilize state-of-the-art neuroimaging to more thoroughly understand neural bases of cognitive deficits, and (3) develop effective, evidence-based, clinically feasible interventions to prevent or treat cognitive dysfunction, which are lacking. There are obstacles to these goals...
January 17, 2018: Neurology
https://www.readbyqxmd.com/read/29343241/clinical-features-and-dysfunctions-of-iron-metabolism-in-parkinson-disease-patients-with-hyper-echogenicity-in-substantia-nigra-a-cross-sectional-study
#16
Shu-Yang Yu, Chen-Jie Cao, Li-Jun Zuo, Ze-Jie Chen, Teng-Hong Lian, Fang Wang, Yang Hu, Ying-Shan Piao, Li-Xia Li, Peng Guo, Li Liu, Qiu-Jin Yu, Rui-Dan Wang, Piu Chan, Sheng-di Chen, Xiao-Min Wang, Wei Zhang
BACKGROUND: Transcranial ultrasound is a useful tool for providing the evidences for the early diagnosis and differential diagnosis of Parkinson disease (PD). However, the relationship between hyper echogenicity in substantia nigra (SN) and clinical symptoms of PD patients remains unknown, and the role of dysfunction of iron metabolism on the pathogenesis of SN hyper echogenicity is unclear. METHODS: PD patients was detected by transcranial sonography and divided into with no hyper echogenicity (PDSN-) group and with hyper echogenicity (PDSN+) group...
January 17, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29342244/gli2-rescues-delays-in-brain-development-induced-by-kif3a-dysfunction
#17
Jia-Long Chen, Chia-Hsiang Chang, Jin-Wu Tsai
The primary cilium in neural stem cells plays distinct roles in different stages during cortical development. Ciliary dysfunctions in human (i.e., ciliopathy) cause developmental defects in multiple organs, including brain developmental delays, which lead to intellectual disabilities and cognitive deficits. However, effective treatment to this devastating developmental disorder is still lacking. Here, we first investigated the effects of ciliopathy on neural stem cells by knocking down Kif3a, a kinesin II motor required for ciliogenesis, in the neurogenic stage of cortical development by in utero electroporation of mouse embryos...
January 12, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29341066/cerebral-near-infrared-spectroscopy-nirs-for-perioperative-monitoring-of-brain-oxygenation-in-children-and-adults
#18
REVIEW
Yun Yu, Kaiying Zhang, Ling Zhang, Huantao Zong, Lingzhong Meng, Ruquan Han
BACKGROUND: Various techniques have been employed for the early detection of perioperative cerebral ischaemia and hypoxia. Cerebral near-infrared spectroscopy (NIRS) is increasingly used in this clinical scenario to monitor brain oxygenation. However, it is unknown whether perioperative cerebral NIRS monitoring and the subsequent treatment strategies are of benefit to patients. OBJECTIVES: To assess the effects of perioperative cerebral NIRS monitoring and corresponding treatment strategies in adults and children, compared with blinded or no cerebral oxygenation monitoring, or cerebral oxygenation monitoring based on non-NIRS technologies, on the detection of cerebral oxygen desaturation events (CDEs), neurological outcomes, non-neurological outcomes and socioeconomic impact (including cost of hospitalization and length of hospital stay)...
January 17, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29339966/acute-diesel-exhaust-exposure-and-postural-stability-a-controlled-crossover-experiment
#19
Jason Curran, Rachel Cliff, Nadine Sinnen, Michael Koehle, Chris Carlsten
Recent epidemiological evidence connects ambient air pollutants to adverse neurobehavioural effects in adults. In animal models, subchronic controlled exposures to diesel exhaust (DE) have also showed evidence of neuroinflammation. Evidence suggests that DE not only affects outcomes commonly associated with cognitive dysfunction, but also balance impairment. We conducted a controlled human exposure experiment with 28 healthy subjects (average age = 28 years (SD = 7.1; range = 21-49); and 40% female) who were exposed to two conditions, filtered air (FA) and DE (300 μg PM2...
2018: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/29339150/altered-function-of-neuronal-l-type-calcium-channels-in-ageing-and-neuroinflammation-implications-in-age-related-synaptic-dysfunction-and-cognitive-decline
#20
REVIEW
Sheeja Navakkode, Chao Liu, Tuck Wah Soong
The rapid developments in science have led to an increase in human life expectancy and thus, ageing and age-related disorders/diseases have become one of the greatest concerns in the 21st century. Cognitive abilities tend to decline as we get older. This age-related cognitive decline is mainly attributed to aberrant changes in synaptic plasticity and neuronal connections. Recent studies show that alterations in Ca2+ homeostasis underlie the increased vulnerability of neurons to age-related processes like cognitive decline and synaptic dysfunctions...
January 12, 2018: Ageing Research Reviews
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