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https://www.readbyqxmd.com/read/27911295/efficacy-and-safety-of-plasma-exchange-with-5-albumin-to-modify-cerebrospinal-fluid-and-plasma-amyloid-%C3%AE-concentrations-and-cognition-outcomes-in%C3%A2-alzheimer-s-disease-patients-a%C3%A2-multicenter-randomized-controlled-clinical-trial
#1
Mercè Boada, Fernando Anaya, Pilar Ortiz, Javier Olazarán, Joshua R Shua-Haim, Thomas O Obisesan, Isabel Hernández, Joan Muñoz, Mar Buendia, Montserrat Alegret, Asunción Lafuente, Lluís Tárraga, Laura Núñez, Mireia Torres, Joan Ramon Grifols, Isidre Ferrer, Oscar L Lopez, Antonio Páez
BACKGROUND: Studies conducted in animal models and humans suggest the presence of a dynamic equilibrium of amyloid-β (Aβ) peptide between cerebrospinal fluid (CSF) and plasma compartments. OBJECTIVE: To determine whether plasma exchange (PE) with albumin replacement was able to modify Aβ concentrations in CSF and plasma as well as to improve cognition in patients with mild-moderate Alzheimer's disease (AD). METHODS: In a multicenter, randomized, patient- and rater-blind, controlled, parallel-group, phase II study, 42 AD patients were assigned (1 : 1) to PE treatment or control (sham) groups...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27910930/design-of-a-hydroxyapatite-binding-antimicrobial-peptide-with-improved-retention-and-antibacterial-efficacy-for-oral-pathogen-control
#2
Zhi-Bin Huang, Xin Shi, Jing Mao, Shi-Qiang Gong
Controlling and reducing the formation of pathogenic biofilm on tooth surface is the key to the prevention and treatment of the biofilm-associated oral diseases. Antimicrobial peptides (AMPs), considered as possible future alternatives for conventional antibiotics, have been extensively studied for the control of bacterial infection. Due to the rapid dilution and degradation by human saliva, AMP preparations designed for oral use with longer retention and higher efficacy are in urgent need. To this end, a hydroxyapatite (HAp)-binding antimicrobial peptide (HBAMP), which is based on the fusion of a specific HAp-binding heptapeptide (HBP7) domain and a broad-spectrum antimicrobial peptide (KSLW) domain, has been developed in our laboratory...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909893/osteogain%C3%A2-loaded-onto-an-absorbable-collagen-sponge-induces-attachment-and-osteoblast-differentiation-of-st2-cells-in-vitro
#3
Richard J Miron, Masako Fujioka-Kobayashi, Yufeng Zhang, Anton Sculean, Benjamin Pippenger, Yoshinori Shirakata, Umadevi Kandalam, Maria Hernandez
OBJECTIVES: Dimensional changes of the alveolar bone following tooth extraction are a major challenge in daily dental practice. To limit bone loss, a variety of biomaterials including bone grafts, barrier membranes, and growth factors have been utilized either alone or in combination therapies to increase the speed and quality of new bone formation. The aim of the present in vitro study was to investigate the regenerative potential of Osteogain®, a new liquid carrier system of enamel matrix derivative (EMD) in combination with an absorbable collagen sponge (ACS) specifically designed for extraction socket healing...
December 1, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27908972/clustering-of-health-related-behaviors-among-early-and-mid-adolescents-in-tuscany-results-from-a-representative-cross-sectional-study
#4
Giacomo Lazzeri, Donatella Panatto, Alexander Domnich, Lucia Arata, Andrea Pammolli, Rita Simi, Mariano Vincenzo Giacchi, Daniela Amicizia, Roberto Gasparini
BACKGROUND: A huge amount of literature suggests that adolescents' health-related behaviors tend to occur in clusters, and the understanding of such behavioral clustering may have direct implications for the effective tailoring of health-promotion interventions. Despite the usefulness of analyzing clustering, Italian data on this topic are scant. This study aimed to evaluate the clustering patterns of health-related behaviors. METHODS: The present study is based on data from the Health Behaviors in School-aged Children (HBSC) study conducted in Tuscany in 2010, which involved 3291 11-, 13- and 15-year olds...
December 1, 2016: Journal of Public Health
https://www.readbyqxmd.com/read/27908631/confirmation-of-the-gnb4-gene-as-causal-for-charcot-marie-tooth-disease-by-a-novel-de-novo-mutation-in-a-czech-patient
#5
Laššuthová Petra, Šafka Brožková Dana, Neupauerová Jana, Krůtová Marcela, Mazanec Radim, Seeman Pavel
The association of GNB4 with Charcot-Marie-Tooth (CMT) has recently been described in a publication by Soong et al. (Soong, et al., 2013). Here we present a patient with CMT in whom whole exome sequencing identified the mutation p.Lys57Glu in the GNB4 gene (NM_021629.3:c.169A>G). The patient, now 41 years old, is a sporadic case in the family. At the age of 35 he presented with severe disability (CMT neuropathy score 29), profound muscle atrophies, pes cavus and scoliosis. Previously, the patient was tested for PMP22 duplications/deletions and later also with 64 CMT gene panel, with no causal variant found...
September 22, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27908460/influence-of-oral-hygiene-and-its-interaction-with-standard-of-education-on-the-risk-of-oral-cancer-in-women-who-neither-smoked-nor-drank-alcohol-a-hospital-based-case-control-study
#6
F Chen, B-C He, L-J Yan, Y Qiu, L-S Lin, L Cai
We know of only limited data about the role of oral hygiene and the risk of oral cancer with different standards of education. The aim of this study was to assess the association between oral hygiene and risk of oral cancer, with stratification by standard of education, in Chinese women. We organised a case-control study with 250 women with oral cancer and 996 age-matched controls in Fujian, China. Data were collected by personal interview using a structured questionnaire. We used unconditional logistic regression with stratification by educational standard to estimate the odds ratios (OR) and 95% CI...
November 28, 2016: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/27907894/interventions-for-orthodontically-induced-white-spot-lesions-a-systematic-review-and-meta-analysis
#7
REVIEW
Damian Höchli, Monika Hersberger-Zurfluh, Spyridon N Papageorgiou, Theodore Eliades
BACKGROUND: Although orthodontic white spot lesions (WSLs) are one of the most often and most evident adverse effects of comprehensive fixed appliance treatment, the efficacy of interventions for WSLs has not yet been adequately assessed in an evidence-based manner. OBJECTIVE: Aim of this systematic review was to assess the therapeutic and adverse effects of interventions to treat post-orthodontic WSLs from randomized trials in human patients. SEARCH METHODS: An unrestricted electronic search of eight databases from inception to May 2016...
October 17, 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/27907861/in-situ-time-lapse-study-of-extracellular-polymeric-substance-discharge-in-streptococcus-mutans-biofilm
#8
Bernard Haochih Liu, Li-Chieh Yu
Streptococcus mutans is one of the main pathogens that cause tooth decay. By metabolizing carbohydrates, S. mutans emits extracellular polymeric substance (EPS) that adheres to the tooth surface and forms layers of biofilm. Periodontal disease occurs due to the low pH environment created by S. mutans biofilm, and such an acidic environment gradually erodes tooth enamel. Since the existence of EPS is essential in the formation of biofilm, the in-situ investigation of its generation and distribution in real time is the key to the control and suppression of S...
November 24, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27907123/mice-hemizygous-for-a-pathogenic-mitofusin-2-allele-exhibit-hind-limb-foot-gait-deficits-and-phenotypic-perturbations-in-nerve-and-muscle
#9
Peter Bannerman, Travis Burns, Jie Xu, Laird Miers, David Pleasure
Charcot-Marie-Tooth disease type 2A (CMT2A), the most common axonal form of hereditary sensory motor neuropathy, is caused by mutations of mitofusin-2 (MFN2). Mitofusin-2 is a GTPase required for fusion of mitochondrial outer membranes, repair of damaged mitochondria, efficient mitochondrial energetics, regulation of mitochondrial-endoplasmic reticulum calcium coupling and axonal transport of mitochondria. We knocked T105M MFN2 preceded by a loxP-flanked STOP sequence into the mouse Rosa26 locus to permit cell type-specific expression of this pathogenic allele...
2016: PloS One
https://www.readbyqxmd.com/read/27905816/cementocyte-cell-death-occurs-in-rat-cellular-cementum-during-orthodontic-tooth-movement
#10
Humihiro Matsuzawa, Naoko Toriya, Yuya Nakao, Moe Konno-Nagasaka, Toshiya Arakawa, Miki Okayama, Itaru Mizoguchi
OBJECTIVE: To clarify the mechanism of root resorption during orthodontic treatment, we examined cementocyte cell death and root resorption in the cellular cementum on the pressure side during experimental tooth movement. MATERIALS AND METHODS: Using 8-week-old male Wistar rats, the right first molar was pushed mesiobuccally with a force of 40 g by a Ni-Ti alloy wire while the contralateral first molar was used as a control. Localization and number of cleaved caspase-3-positive and single-stranded DNA (ssDNA) - positive cells were evaluated using dual-label immunohistochemistry with anticleaved caspase-3 and anti-ssDNA antibodies...
December 1, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27905673/single-versus-multiple-visits-for-endodontic-treatment-of-permanent-teeth
#11
REVIEW
Maddalena Manfredi, Lara Figini, Massimo Gagliani, Giovanni Lodi
BACKGROUND: Root canal treatment (RoCT), or endodontic treatment, is a common procedure in dentistry. The main indications for RoCT are irreversible pulpitis and necrosis of the dental pulp caused by carious processes, tooth cracks or chips, or dental trauma. Successful RoCT is characterised by an absence of symptoms (i.e. pain) and clinical signs (i.e. swelling and sinus tract) in teeth without radiographic evidence of periodontal involvement (i.e. normal periodontal ligament). The success of RoCT depends on a number of variables related to the preoperative condition of the tooth, as well as the endodontic procedures...
December 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27904674/bmi1-plays-an-important-role-in-dentin-and-mandible-homeostasis-by-maintaining-redox-balance
#12
Ying Yin, Xian Xue, Qian Wang, Ning Chen, Dengshun Miao
To explore whether polycomb repressor Bmi1 plays an important role in dentin and mandible development homeostasis by maintaining redox balance, 3-week-old Bmi1 gene knockout (Bmi1(-/-)) mice were treated with the antioxidant N-acetylcysteine (NAC) for 2 weeks in their drinking water and phenotypes of the tooth and mandibles were compared with vehicle-treated Bmi1(-/-) mice and wild-type mice by radiograph, histochemistry and immunohistochemistry. Alterations of oxidative stress, DNA damage, cell proliferation and cell cycle-related parameters were also examined in mandibles...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904542/the-effect-of-brushing-with-a-soft-toothbrush-and-distilled-water-on-the-incidence-of-ventilator-associated-pneumonia-in-the-intensive-care-unit
#13
Khadijeh Nasiriani, Fakhri Torki, Mohammad Hossein Jarahzadeh, Fahimeh Rashidi Maybodi
BACKGROUND: Ventilator-associated pneumonia (VAP) is a common nosocomial infection, which results in longer hospitalization, increased treatment costs, and higher mortality rates. One major cause of VAP is colonization and microaspiration of oropharyngeal secretions following the formation of dental plaque, which is due to poor oral hygiene and failure to mechanically remove these microorganisms from the teeth. This study was conducted to determine the effect of brushing teeth with distilled water on the incidence of VAP in patients admitted to intensive care unit (ICU)...
2016: Tanaffos
https://www.readbyqxmd.com/read/27904519/mind-conduct-disorders-in-children-with-poor-oral-hygiene-habits-and-attention-deficit-hyperactivity-disorder-in-children-with-excessive-tooth-decay
#14
Onur Burak Dursun, Fatih Şengül, İbrahim Selçuk Esin, Tevfik Demirci, Nermin Yücel, Mehmet Melih Ömezli
INTRODUCTION: Dental caries and poor oral hygiene are among the major childhood public health problems. Although dental research frequently refers to the link between these conditions and behavioural issues, little attention has been paid to understanding the reason for oral health problems from a psychiatric point of view. The aim of this study was to examine the relationship between poor oral health and hygiene and parental attitudes towards child rearing, parents' and children's oral hygiene behaviours, and childhood psychiatric disorders...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904090/effect-of-bidirectional-loading-on-contact-and-force-characteristics-under-a-newly-developed-masticatory-simulator-with-a-dual-direction-loading-system
#15
Weerachai Singhatanadgit, Puttiporn Junkaew, Pairod Singhatanadgid
Mechanical responses of the test specimen under bidirectional and unidirectional loading were investigated using a newly developed masticatory simulator. The simulator adopted a four-bar linkage mechanism to create both loading patterns. Scratch/occlusal contact characteristics, contact force profiles and the fracture of restored tooth samples were investigated. With bidirectional loading, which imitates the nature of human chewing cycle closer than the unidirectional loading does, the occlusal contact was ovoid in shape whereas a small circular area was observed from the test with unidirectional loading...
2016: Dental Materials Journal
https://www.readbyqxmd.com/read/27903784/terrain-following-and-applications-caenorhabditis-elegans-swims-along-the-floor-using-a-bump-and-undulate-strategy
#16
Jinzhou Yuan, Hungtang Ko, David M Raizen, Haim H Bau
Nematodes such as Caenorhabditis elegans are heavier than water. When submerged in water, they settle to the bottom surface. Observations reveal that the animals do not lie flat on the bottom surface, but remain substantially suspended above the surface through continuous collisions with the surface, while maintaining their swimming gaits. Consequently, the swimming animals follow the bottom surface topography. When the bottom surface is inclined, the animals swim up or down along the incline. As the magnitude of the gravitational force can be easily estimated, this behaviour provides a convenient means to estimate the animal's propulsive thrust...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/27903295/prevalence-and-risk-factors-of-periodontal-disease-among-pre-conception-chinese-women
#17
Hong Jiang, Yi Su, Xu Xiong, Emily Harville, Hongqiao Wu, Zhijun Jiang, Xu Qian
BACKGROUND: Periodontal disease is one of the most common chronic infectious diseases. It has been reported that periodontal disease is associated with various adverse pregnancy outcomes including preterm birth, low birth weight, and gestational diabetes mellitus. Given the fact that the treatment for periodontal disease during pregnancy was ineffective in improving pregnancy outcomes by most of studies, the pre-conception period has been put forward as a more optimal time. However, very few studies have reported the prevalence of periodontal disease among pre-conception women...
December 1, 2016: Reproductive Health
https://www.readbyqxmd.com/read/27903250/effectiveness-of-bovine-derived-xenograft-versus-bioactive-glass-with-periodontally-accelerated-osteogenic-orthodontics-in-adults-a-randomized-controlled-clinical-trial
#18
Maha A Bahammam
BACKGROUND: Periodontally accelerated osteogenic orthodontics (PAOO) combines periodontal therapy with orthodontic therapy, which minimises treatment time. This study compared the effectiveness of a bovine-derived xenograft with that of bioactive glass when combined with PAOO for the treatment of adult patients with moderate crowding of the teeth. METHODS: In this prospective, single-masked clinical trial, 33 orthodontic patients (20 women, 13 men; mean age 21.2 ± 1...
November 30, 2016: BMC Oral Health
https://www.readbyqxmd.com/read/27902609/influence-of-oral-health-behavior-and-sociodemographic-factors-on-remaining-teeth-in-korean-adults-2010-2012-korea-national-health-and-nutrition-examination-survey
#19
In-Seok Song, Kyungdo Han, Yeon-Jo Choi, Jae-Jun Ryu, Jun-Beom Park
In this study, the number and location of remaining teeth were analyzed according to sociodemographic variables, anthropometric measurements, and oral health behavior patterns. The hypothesis was that the number and location of remaining teeth would be affected by oral health behavior and by sociodemographic factors, such as education levels, household income, and urban/rural residency.This nationwide cross-sectional study was performed with a total of 36,026 representative Korean adults aged 19 and older. The data were taken from the 2012-2012 Korea National Health and Nutrition Examination Survey...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901233/maxillary-dentoalveolar-assessment-following-retraction-of-maxillary-incisors-a-preliminary-study
#20
Tiago Maia Fernandes Oliveira, Lígia Vieira Claudino, Cláudia Trindade Mattos, Eduardo Franzotti Sant'Anna
Objective: The aim of this preliminary study was to assess changes in tooth length and alveolar thickness following retraction of maxillary incisors. Methods: A total of 11 patients presenting severe maxillary dentoalveolar protrusion revealed by initial (T1) cone-beam computed tomography (CBCT), and whose treatment plan included extraction of maxillary first premolars and retraction of maxillary incisors, were selected and submitted to CBCT examination one month after the end of incisors retraction (T2)...
September 2016: Dental Press Journal of Orthodontics
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