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https://www.readbyqxmd.com/read/28448078/food-consumption-and-nutrient-intake-in-relation-to-denture-use-in-55-to-84-year-old-men-and-women-results-of-a-population-based-survey
#1
L Jauhiainen, S Männistö, P Ylöstalo, M Vehkalahti, A Nordblad, A W Turunen, A L N Suominen
OBJECTIVE: To study differences in consumption of foods and intake of nutrients attributable to denture status. DESIGN, SETTING AND PARTICIPANTS: Data from a cross-sectional, nationally representative Health 2000 Survey, subjects aged 55-84 years (n=2,241). MEASUREMENTS: Denture status (edentulous with full dentures, own dentition with removable dentures, own dentition with no removable dentures) was used as an explanatory variable. The consumption of foods and intake of nutrients was used as an outcome variable and was measured using a validated Food Frequency Questionnaire...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28445885/patterns-of-microglial-cell-activation-in-alzheimer-disease-and-frontotemporal-lobar-degeneration
#2
Ricardo Taipa, Paulo Brochado, Andrew Robinson, Inês Reis, Patrício Costa, David M Mann, Manuel Melo Pires, Nuno Sousa
AIMS: Microglia-driven neuroinflammation can play an important role in the pathophysiology of neurodegenerative disorders. In this study, we sought to characterize the distribution of microglial cell activation in 2 neurodegenerative dementias with distinct protein signatures, Alzheimer disease (AD) and frontotemporal lobar degeneration (FTLD) of the TDP subtype, and to determine if there was an anatomical correlation with the phenotypes most commonly associated with these conditions...
April 27, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28445769/evidence-for-mast-cell-mediated-zinc-homeostasis-increased-labile-zinc-in-the-hippocampus-of-mast-cell-deficient-mice
#3
Rachel H Kennedy, Amen Wiqas, James P Curley
The dentate gyrus of the hippocampus is a site of adult neurogenesis, and is also known to contain one of the highest concentrations of labile brain zinc (Zn), thought to aid in learning and memory by supporting neurogenesis. At the same time, it is known that unbound Zn, when present at excessive levels, decreases the formation of new neurons. Since mast cells contain Zn transporters capable of moving this essential element across their plasma membrane, as well as Zn-rich granules that are dispelled upon secretion, we reasoned that mast cells contribute to Zn homeostasis in this area of the brain, as they are found in greatest numbers in and around the dentate gyrus...
April 23, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28444766/endoplasmic-reticulum-stress-mediates-distinct-impacts-of-sevoflurane-on-different-subfields-of-immature-hippocampus
#4
Gang Zhu, Lei Tao, Ronglin Wang, Ying Xue, Xingqin Wang, Shaosong Yang, Xude Sun, Guodong Gao, Zixu Mao, Qian Yang
Sevoflurane, a typical inhaled anesthetic, is widely used in patients of all ages during surgery. The negative effects, such as inducing cell death and damaging spatial memory, of sevoflurane on neurodevelopment have raised increasing concerns in recent years. However, the molecular mechanism remains unclear. The current study focused on the crucial role of endoplasmic reticulum (ER) stress in sevoflurane-induced hippocampal injury. Three-week-old rats were exposed to sevoflurane or control air for 5h with or without ER stress inhibitor (4-phenylbutyric acid, 4-PBA) injection...
April 26, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28442990/spatiotemporal-and-long-lasting-modulation-of-11-key-nogo-signaling-genes-in-response-to-strong-neuroexcitation
#5
Tobias E Karlsson, Katrin Wellfelt, Lars Olson
Inhibition of nerve growth and plasticity in the CNS is to a large part mediated by Nogo-like signaling, now encompassing a plethora of ligands, receptors, co-receptors and modulators. Here we describe the distribution and levels of mRNA encoding 11 key genes involved in Nogo-like signaling (Nogo-A, Oligodendrocyte-Myelin glycoprotein (OMgp), Nogo receptor 1 (NgR1), NgR2, NgR3, Lingo-1, TNF receptor orphan Y (Troy), Olfactomedin, Lateral olfactory tract usher substance (Lotus) and membrane-type matrix metalloproteinase-3 (MT3-MPP)), as well as BDNF and GAPDH...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28442944/immunohistochemical-localization-of-translationally-controlled-tumor-protein-in-axon-terminals-of-mouse-hippocampal-neurons
#6
Seong-Yeon Bae, Vadim Sheverdin, Jeehye Maeng, In Kyoon Lyoo, Pyung-Lim Han, Kyunglim Lee
Translationally controlled tumor protein (TCTP) is a cytosolic protein with microtubule stabilization and calcium-binding activities. TCTP is expressed in most organs including the nervous system. However, detailed distribution and functional significance of TCTP in the brain remain unexplored. In this study, we investigated the global and subcellular distributions of TCTP in the mouse brain. Immunohistochemical analyses with anti-TCTP revealed that TCTP was widely distributed in almost all regions of the brain including the cerebral cortex, thalamus, hypothalamus, hippocampus, and amygdala, wherein it was localized in axon tracts and axon terminals...
April 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/28442324/the-interactive-role-of-cb1-receptors-and-l-type-calcium-channels-in-hippocampal-long-term-potentiation-in-rats
#7
Hamidreza Komaki, Fargol Saadat, Siamak Shahidi, Abdolrahman Sarihi, Parisa Hasanein, Alireza Komaki
'Long-term potentiation (LTP) of synaptic responses is a widely researched model of synaptic plasticity that occurs during learning and memory. The cannabinoid system is an endogenous system that modulate this kind of synaptic plasticity. In addition, voltage dependent calcium channels is essential for induction of LTP at some synapses in the hippocampus. However, there is currently debate over the interaction between L-type calcium channels and cannabinoid system on the synaptic plasticity. In this study, we examined the effects of an acute administration of the cannabinoid antagonist AM251 following a chronic administration of the Ca(2+) channel blocker verapamil on LTP induction in the hippocampal dentate gyrus(DG) of rats...
April 22, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28442243/abnormal-neural-precursor-cell-regulation-in-the-early-postnatal-fragile-x-mouse-hippocampus
#8
Mary Sourial, Laurie C Doering
The regulation of neural precursor cells (NPCs) is indispensable for a properly functioning brain. Abnormalities in NPC proliferation, differentiation, survival, or integration have been linked to various neurological diseases including Fragile X syndrome. Yet, no studies have examined NPCs from the early postnatal Fragile X mouse hippocampus despite the importance of this developmental time point, which marks the highest expression level of FMRP, the protein missing in Fragile X, in the rodent hippocampus and is when hippocampal NPCs have migrated to the dentate gyrus (DG) to give rise to lifelong neurogenesis...
April 22, 2017: Brain Research
https://www.readbyqxmd.com/read/28440411/effects-of-long%C3%A2-term-post%C3%A2-ischemic-treadmill-exercise-on-gliosis-in-the-aged-gerbil-hippocampus-induced-by-transient-cerebral-ischemia
#9
Ji Hyeon Ahn, Myoung Cheol Shin, Joon Ha Park, In Hye Kim, Jeong-Hwi Cho, Tae-Kyeong Lee, Jae-Chul Lee, Bai Hui Chen, Bich Na Shin, Hyun-Jin Tae, Jinseu Park, Soo Young Choi, Yun Lyul Lee, Dae Won Kim, Yang Hee Kim, Moo-Ho Won, Jun Hwi Cho
Therapeutic exercise is an integral component of the rehabilitation of patients who have suffered a stroke. The objective of the present study was to use immunohistochemistry to investigate the effects of post‑ischemic exercise on neuronal damage or death and gliosis in the aged gerbil hippocampus following transient cerebral ischemia. Aged gerbils (male; age, 22‑24 months) underwent ischemia and were subjected to treadmill exercise for 1 or 4 weeks. Neuronal death was detected in the stratum pyramidale of the hippocampal CA1 region and in the polymorphic layer of the dentate gyrus using cresyl violet and Fluoro‑Jade B histofluorescence staining...
April 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439992/the-construction-of-homochiral-lanthanide-quadruple-stranded-helicates-with-multi-responsive-sensing-properties-toward-fluoride-anions
#10
Wanmin Chen, Xiaoliang Tang, Wei Dou, Bei Wang, Lirong Guo, Zhenghua Ju, Weisheng Liu
A series of unique homochiral lanthanide tetranuclear quadruple-stranded helicates have been self-assembled controllably by taking the intrinsic advantages of chiral dentate-bridging ligands, (S)-H2L and (R)-H2L, and lanthanide ions with high coordination numbers. The self-assembly process of these chiral helicates not only ensures the structural stability and quadruple-stranded feature of lanthanide cluster in solid and solution, but also achieves the effective transfer and amplification of chirality code from ligand to higher supramolecular level...
April 24, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28439461/quantitative-assessment-of-fibroblast-growth-factor-receptor-1-expression-in-neurons-and-glia
#11
Lisha Choubey, Jantzen C Collette, Karen Müller Smith
BACKGROUND: Fibroblast growth factors (FGFs) and their receptors (FGFRs) have numerous functions in the developing and adult central nervous system (CNS). For example, the FGFR1 receptor is important for proliferation and fate specification of radial glial cells in the cortex and hippocampus, oligodendrocyte proliferation and regeneration, midline glia morphology and soma translocation, Bergmann glia morphology, and cerebellar morphogenesis. In addition, FGFR1 signaling in astrocytes is required for postnatal maturation of interneurons expressing parvalbumin (PV)...
2017: PeerJ
https://www.readbyqxmd.com/read/28439104/a-novel-5ht3-receptor-igf1-mechanism-distinct-from-ssri-induced-antidepressant-effects
#12
M Kondo, Y Koyama, Y Nakamura, S Shimada
Depression is a common mental disorder affecting around 350 million people worldwide. Although selective serotonin reuptake inhibitors (SSRIs) are the most widely used antidepressants, a significant proportion of depressed patients do not achieve remission with SSRIs. In this study, we show that a serotonin type 3 receptor (5HT3R) agonist induces antidepressant effects as well as hippocampal neurogenesis independent of fluoxetine (a commonly used SSRI). Notably, our histological analysis reveals that 5HT3R and insulin-like growth factor 1 (IGF1) are expressed in the same neurons in the subgranular zone of the hippocampal dentate gyrus...
April 25, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28438749/respiratory-difficulty-with-palatal-laryngeal-and-respiratory-muscle-tremor-in-adult-onset-alexander-s-disease
#13
John McAuley, Rowena Taylor, Anita Simonds, Sanjiv Chawda
Sleep apnoea and respiratory difficulties are reported in adult-onset Alexander's disease (AOAD), an autosomal-dominant leukodystrophy that presents mainly with progressive ataxia. We demonstrate for the first time that the respiratory symptoms can result from association of palatal tremor with a similar tremor of laryngeal and respiratory muscles that interrupts normal inspiration and expiration.A 60-year-old woman presented with progressive ataxia, palatal tremor and breathlessness. MRI revealed medullary atrophy, bilateral T2 hyperintensities in the dentate nuclei and hypertrophic olivary degeneration (HOD)...
April 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28438578/global-cerebral-ischemia-in-rats-leads-to-amnesiadue-to-selective-neuronal-death-followed-by-astroglial-scar-formationin-the-ca1-layer
#14
Kevin Sadelli, Jean-Claude Stamegna, Stéphane D Girard, Nathalie Baril, Guy Escoffier, Maïna Brus, Antoine D Véron, Michel Khrestchatisky, François S Roman
Global Cerebral Ischemia (GCI) occurs following cardiac arrest or neonatal asphyxia and leads to harmful neurological consequences. In most cases, patients who survive cardiac arrest develop severe cognitive and motor impairments. This study focused on learning and memory deficits associated with brain neuroanatomical reorganization that appears after GCI. The four-vessel occlusion (4VO) model was performed to produce a transient GCI. Hippocampal lesions in ischemic rats were visualized using anatomical Magnetic Resonance Imaging (aMRI)...
April 21, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28438504/agomelatine-protects-against-neuronal-damage-without-preventing-epileptogenesis-in-the-kainate-model-of-temporal-lobe-epilepsy
#15
Jana Tchekalarova, Dimitrinka Atanasova, Zlatina Nenchovska, Milena Atanasova, Lidia Kortenska, Rumyana Gesheva, Nikolai Lazarov
Recent studies about the novel antidepressant agomelatine, which is a mixed MT1 and MT2 melatonin receptor agonist and 5HT2C serotonin receptor antagonist possessing an anticonvulsant and neuroprotective action, suggest that it may have potential to contribute against epileptogenesis and epilepsy-induced memory impairment. In order to ascertain whether protection of some brain structures could suppress epileptogenesis, in the present study, we evaluated the effect of chronic post-status treatment with agomelatine on epileptogenesis, behavioral and neuronal damage induced by kainate acid (KA) status epilepticus (SE)...
April 21, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28438160/use-of-oral-health-care-services-in-finnish-adults-results-from-the-cross-sectional-health-2000-and-2011-surveys
#16
Anna L Suominen, Sari Helminen, Satu Lahti, Miira M Vehkalahti, Matti Knuuttila, Sinikka Varsio, Anne Nordblad
BACKGROUND: During the 2000s, two major legislative reforms concerning oral health care have been implemented in Finland. One entitled the whole population to subsidized care and the other regulated the timeframes of access to care. Our aim was, in a cross-sectional setting, to assess changes in and determinants of use of oral health care services before the first reform in 2000 and after both reforms in 2011. METHODS: The data were part of the nationally representative Health 2000 and 2011 Surveys of adults aged ≥ 30 years and were gathered by interviews and questionnaires...
April 24, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28436627/-temporal-lobe-epilepsy-and-adult-hippocampal-neurogenesis
#17
Liying Chen, Yi Wang, Zhong Chen
Temporal lobe epilepsy (TLE) is a common and severe neurological disorder which is often intractable. It can not only damage the normal structure and function of hippocampus, but also affect the neurogenesis in dentate gyrus (DG). It is well documented from researches on the animal models of TLE that after a latent period of several days, prolonged seizure activity leads to a dramatic increase in mitotic activity in the hippocampal DG. However, cell proliferation returns to baseline levels within 3-4 weeks after status epilepticus (SE)...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28435738/crystal-structure-of-2-2-2-azanidyl-benzyl-idene-amino-benzyl-idene-amino-4-chloro-phenol-ato-nickel-ii
#18
Fumiya Kobayashi, Atsushi Koga, Ryo Ohtani, Shinya Hayami, Masaaki Nakamura
The title complex, [Ni(C20H14ClN3O)], with an asymmetrically chloride-appended Schiff base ligand has been synthesized and structurally characterized at 100 K. In the compound, the central nickel(II) ion has a square-planar coordination geometry with N3O donors of the π-conjugated tetra-dentate Schiff base ligand. In the crystal, the complexes are connected into an inversion dimer via an Ni⋯Ni inter-action [3.1753 (5) Å] and a pair of π-π inter-actions [centroid-centroid distance = 3.8416 (16) Å]...
April 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28434680/inhibition-of-denture-plaque-by-tio2-coating-on-denture-base-resins-in-the-mouth
#19
Tomokuni Obata, Takayuki Ueda, Kaoru Sakurai
STATEMENT OF PROBLEM: Information is lacking about antiadhesion effect of titanium dioxide (TiO2) coating on denture base resins in the mouth. PURPOSE: The purpose of this clinical study was to investigate the antiadhesion effect of TiO2 coating on denture base resins. MATERIAL AND METHODS: Ten healthy dentate participants (mean 27 ±2 years of age) participated in this study. Disks and palatal appliances were made with denture base resin...
April 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28433113/wilson-disease-brain-pathology
#20
Aurélia Poujois, Jacqueline Mikol, France Woimant
In Wilson disease (WD), brain cellular damage is thought to be due to copper deposition. Striatal lesions are the most characteristic lesions found in the brain of patients with neurologic symptoms, as emphasized in the initial reports of S.A.K. Wilson. WD brain lesions can be more diffuse, including in the pons, midbrain, thalamus, dentate nucleus, and, less frequently, corpus callosum and cortex. In rare cases, extensive cortical-subcortical lesions have been reported. Increased cellularity is noted in the lesions due to the proliferation of modified astrocytes named Alzheimer types of glia and specific cells, called Opalski cells, that are characteristic of WD...
2017: Handbook of Clinical Neurology
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