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Pan Dan, Émilie Velot, Grégory Francius, Patrick Menu, Véronique Decot
: One of the outstanding goals in tissue engineering is to develop a natural coating surface which is easy to manipulate, effective for cell adhesion and fully biocompatible. The ideal surface would be derived from human tissue, perfectly controllable, and pathogen-free, thereby satisfying all of the standards of the health authorities. This paper reports an innovative approach to coating surfaces using a natural extracellular matrix (ECM) extracted from the Wharton's jelly (WJ) of the umbilical cord (referred to as WJ-ECM)...
October 18, 2016: Acta Biomaterialia
Monika Machoy, Julia Seeliger, Mariusz Lipski, Anna Wójcicka, Tomasz Gedrange, Krzysztof Woźniak
Braces as foreign bodies in the mouth carry a risk of side effects and toxicity to the human body. This article presents the results indicating the possible toxic effects of tools used for cleaning the enamel after the completion of orthodontic treatment. The studies were carried out in vitro. The procedure of enamel etching, bonding orthodontic metal brackets, and enamel cleaning after their removal was performed under laboratory conditions. The enamel microstructure and elements present on its surface were evaluated using the scanning electron microscope (SEM)...
2016: BioMed Research International
Mitsuru Yagi, Hideaki Ohne, Tsunehiko Konomi, Kanehiro Fujiyoshi, Shinjiro Kaneko, Masakazu Takemitsu, Masafumi Machida, Yoshiyuki Yato, Takashi Asazuma
BACKGROUND CONTEXT: Gait patterns and their relationship to demographic and radiographic data in patients with adult spinal deformity (ASD) have not been fully documented. PURPOSE: To assess gait pattern in patients with ASD and the effect of corrective spinal surgery on gait. STUDY DESIGN/SETTING: Prospective case series. PATIENT SAMPLE: The gait patterns of 33 consecutive female with ASD (age 67.1 years; body mass index (BMI) 22...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Evgenii Belykh, Alexander V Krutko, Evgenii S Baykov, Morgan B Giers, Mark C Preul, Vadim A Byvaltsev
BACKGROUND CONTEXT: Recurrence of lumbar disc herniation (rLDH) is one of the unfavorable outcomes after microdiscectomy. Prediction of the patient population with increased risk of rLDH is important because patients may benefit from preventive measures or other surgical options. PURPOSE: The study assessed preoperative factors associated with rLDH after microdiscectomy and created a mathematical model for estimation of chances for rLDH. STUDY DESIGN/SETTING: This is a retrospective case-control study...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Kei-Hoi Cheung, Shivakumar Keerthikumar, Paola Roncaglia, Sai Lakshmi Subramanian, Matthew E Roth, Monisha Samuel, Sushma Anand, Lahiru Gangoda, Stephen Gould, Roger Alexander, David Galas, Mark B Gerstein, Andrew F Hill, Robert R Kitchen, Jan Lötvall, Tushar Patel, Dena C Procaccini, Peter Quesenberry, Joel Rozowsky, Robert L Raffai, Aleksandra Shypitsyna, Andrew I Su, Clotilde Théry, Kasey Vickers, Marca H M Wauben, Suresh Mathivanan, Aleksandar Milosavljevic, Louise C Laurent
BACKGROUND: To address the lack of standard terminology to describe extracellular RNA (exRNA) data/metadata, we have launched an inter-community effort to extend the Gene Ontology (GO) with subcellular structure concepts relevant to the exRNA domain. By extending GO in this manner, the exRNA data/metadata will be more easily annotated and queried because it will be based on a shared set of terms and relationships relevant to extracellular research. METHODS: By following a consensus-building process, we have worked with several academic societies/consortia, including ERCC, ISEV, and ASEMV, to identify and approve a set of exRNA and extracellular vesicle-related terms and relationships that have been incorporated into GO...
April 12, 2016: Journal of Biomedical Semantics
Borami Ahn, Shin-Hye Kim, Mi-Jung Park
OBJECTIVE: To assess blood cadmium levels in Korean adolescents with respect to demographic and lifestyle factors. METHODS: We analyzed data from the Korea National Health and Nutrition Examination Survey from 2010 to 2013, totaling 1472 adolescents aged 10-18 years. Geometric means of blood cadmium were calculated using a complex samples general linear model to compare blood levels in different demographic and lifestyle groups. Multivariate logistic regression analyses were also used to find predictors for high blood cadmium (>90th percentile)...
October 11, 2016: International Journal of Hygiene and Environmental Health
Nancy Bagatell, Dara Chan, Kimberly Karrat Rauch, Deborah Thorpe
BACKGROUND: The transition to adulthood, the gradual change in roles and responsibilities, is identified as a challenging time for adolescents and young adults with physical disabilities, including those with cerebral palsy. Health care, education, employment, independent living, and community engagement have been identified as areas of concern. However, relatively little research has been done to understand the experiences, perceptions, and needs of individuals with cerebral palsy as they transition toward adulthood...
October 3, 2016: Disability and Health Journal
Ramon Vilallonga, José Manuel Moreno Villares, Diego Yeste Fernández, Raquel Sánchez Santos, Felipe Casanueva Freijo, Francisco Santolaya Ochando, Nuria Leal Hernando, Albert Lecube Torelló, Luis Antonio Castaño González, Albert Feliu, Gontrand Lopez-Nava, Dolores Frutos, Antonio J Torres Garcia, Juan Carlos Ruiz de Adana
PURPOSE: In recent years, the incidence of childhood obesity in Europe, and Spain in particular, has increased dramatically. Bariatric surgery could play a major role in treating of adolescents with severe obesity. However, no specific guidelines for bariatric surgery currently exist in Spain. METHODS: The Board of the Spanish Society for Obesity Surgery and Metabolic Diseases (SECO) proposed a study of childhood obesity by using the Delphi method. This prospective study involved 60 experts from nine national societies...
October 17, 2016: Obesity Surgery
Raúl Alelú-Paz, Francisco J Carmona, José V Sanchez-Mut, Ariel Cariaga-Martínez, Ana González-Corpas, Nadia Ashour, Maria J Orea, Ana Escanilla, Alfonso Monje, Carmen Guerrero Márquez, Jerónimo Saiz-Ruiz, Manel Esteller, Santiago Ropero
Attempts to discover genes that are involved in the pathogenesis of major psychiatric disorders have been frustrating and often fruitless. Concern is building about the need to understand the complex ways in which nature and nurture interact to produce mental illness. We analyze the epigenome in several brain regions from schizophrenic patients with severe cognitive impairment using high-resolution (450K) DNA methylation array. We identified 139 differentially methylated CpG sites included in known and novel candidate genes sequences as well as in and intergenic sequences which functions remain unknown...
2016: Frontiers in Psychology
Mats O Magnusson, Mahesh N Samtani, Elodie L Plan, E Niclas Jonsson, Stefaan Rossenu, An Vermeulen, Alberto Russu
OBJECTIVES: Our objective was to characterize the population pharmacokinetics of paliperidone after intramuscular administration of its long-acting 3-month formulation palmitate ester at various doses and at different injection sites (deltoid and gluteal muscles). METHODS: This retrospective analysis included pooled data from 651 subjects from one phase I study (single injection of the 3-month formulation) and one phase III study (multiple injections of both 1- and 3-month formulations)...
October 14, 2016: Clinical Pharmacokinetics
Alexandra L Clark, Lisa Delano-Wood, Scott F Sorg, Madeleine L Werhane, Karen L Hanson, Dawn M Schiehser
No known studies have directly examined white matter microstructural correlates of cognitive fatigue post-TBI in a Veteran sample. We therefore investigated the relationship between cognitive fatigue and white matter integrity in Veterans with history of mild to moderate TBI (mmTBI). 59 Veterans (TBI = 34, Veteran Controls [VCs] = 25]) with and without history of mmTBI underwent structural 3T DTI scans and completed questionnaires related to cognitive fatigue and psychiatric symptoms. Tractography was employed on six regions of interest, including the anterior and posterior limbs of the internal capsule; genu; body and splenium of the corpus callosum; and cingulum bundle...
October 6, 2016: Brain Imaging and Behavior
Mike O'Connor, Emanuele Paci, Simon McIntosh-Smith, David R Glowacki
The past decade has seen the development of a new class of rare event methods in which molecular configuration space is divided into a set of boundaries/interfaces, and then short trajectories are run between boundaries. For all these methods, an important concern is how to generate boundaries. In this paper, we outline an algorithm for adaptively generating boundaries along a free energy surface in multi-dimensional collective variable (CV) space, building on the boxed molecular dynamics (BXD) rare event algorithm...
October 14, 2016: Faraday Discussions
Daniel J Wescott, Lauren Rockhold Zephro
Over the past two centuries there have been documented secular changes in stature, weight, body proportions, and skeletal maturation rates in the United States. These changes along with a more sedentary lifestyle are likely reflected in femur morphology. Here we examine secular changes in diaphyseal cross-sectional size, shape, area, robusticity, and rigidity at midshaft and subtrochanteric of the femur using 395 adult white females and males from the United States born between the 1850s and the 1970s. The effect of secular change was controlled for an age effect...
January 2016: Human Biology
Shawn M Davidson, Matthew G Vander Heiden
Lysosomes (or lytic bodies) were so named because they contain high levels of hydrolytic enzymes. Lysosome function and dysfunction have been found to play important roles in human disease, including cancer; however, the ways in which lysosomes contribute to tumorigenesis and cancer progression are still being uncovered. Beyond serving as a cellular recycling center, recent evidence suggests that the lysosome is involved in energy homeostasis, generating building blocks for cell growth, mitogenic signaling, priming tissues for angiogenesis and metastasis formation, and activating transcriptional programs...
October 12, 2016: Annual Review of Pharmacology and Toxicology
Haroon Ur Rashid, Marco Antonio Utrera Martines, Juliana Jorge, Paula Martin de Moraes, Muhammad Naveed Umar, Kamin Khan, Hanif Ur Rehman
Magnetic Resonance Imaging (MRI) is a noninvasive radiology technique used to examine the internal organs of human body. It is useful for the diagnosis of structural abnormalities in the body. Contrast agents are used to increase the sensitivity of this technique. 1,4,7,10-Tetraazacyclododecane (cyclen) is a macrocyclic tetraamine. Its derivatives act as useful ligands to produce stable complexes with Gd(3+) ion. Such chelates are investigated as MRI contrast agents. Free Gd(3+) ion is extremely toxic for in vivo use...
October 1, 2016: Bioorganic & Medicinal Chemistry
P B Persson
My tailor suggests I should dress for the body I have, not for the body I want. Conversely, Acta Physiologica's lean and muscular build calls for streamlining her appearance. Over the latest years, Acta Physiologica has been ranked highly among the physiology journals.(1,2) Our readers have increasingly downloaded our articles, and many more manuscripts have been submitted year-by-year.(3-5) Reflecting these changes, more persons read Acta Physiologica out of general interest, and not only to stay on top of their fields...
October 11, 2016: Acta Physiologica
Alex L Jones, Robin S S Kramer
Forms of body decoration exist in all human cultures. However, in Western societies, women are more likely to engage in appearance modification, especially through the use of facial cosmetics. How effective are cosmetics at altering attractiveness? Previous research has hinted that the effect is not large, especially when compared to the variation in attractiveness observed between individuals due to differences in identity. In order to build a fuller understanding of how cosmetics and identity affect attractiveness, here we examine how professionally-applied cosmetics alter attractiveness and compare this effect with the variation in attractiveness observed between individuals...
2016: PloS One
Vinícius Carvalho Fonseca, Edilson Paes Saraiva, Alex Sandro Campos Maia, Carolina Cardoso Nagib Nascimento, Josinaldo Araújo da Silva, Walter Esfraim Pereira, Edgard Cavalcanti Pimenta Filho, Maria Elivânia Vieira Almeida
The aim of this study was to build a prediction model both sensible and latent heat transfer by respiratory tract for Morada Nova sheep under field conditions in a semiarid tropical environment, using easily measured physiological and environmental parameters. Twelve dry Morada Nova ewes with an average of 3 ± 1.2 years old and average body weight of 32.76 ± 3.72 kg were used in a Latin square design 12 × 12 (12 days of records and 12 schedules). Tidal volume, respiratory rate, expired air temperature, and partial vapor pressure of the expired air were obtained from the respiratory facial mask and using a physiological measurement system...
October 10, 2016: International Journal of Biometeorology
Jairo A Diaz, Mauricio F Murillo, Jhonan A Mendoza, Ana M Barreto, Lina S Poveda, Lina K Sanchez, Laura C Poveda, Katherine T Mora
Emergent biological responses develop via unknown processes dependent on physical collision. In hypoxia, when the tissue architecture collapses but the geometric core is stable, actin cytoskeleton filament components emerge, revealing a hidden internal order that identifies how each molecule is reassembled into the original mold, using one common connection, i.e., a fractal self-similarity that guides the system from the beginning in reverse metamorphosis, with spontaneous self-assembly of past forms that mimics an embryoid phenotype...
2016: American Journal of Stem Cells
Roger W Byard, Matthew Cox, Peter Stockham
The body of a 19-year-old male was found apparently concealed underneath bushes with recent head and facial trauma, and multiple superficial abrasions. Subsequently, it was discovered that the decedent had been running into objects and buildings following the ingestion the evening before of what was thought to be lysergic acid diethylamide (LSD). Blood staining of a nearby wall close to where the body was lying was in keeping with the described behavior. Toxicology revealed 3,4-methylenedioxymethamphetamine (Ecstasy), in addition to two only recently available drugs 2-(4-bromo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine, (25B-NBOMe), and 1-(3,4-methylenedioxyphenyl)-2-(1-pyrrolidinyl)-1-butanone, (MDPBP)...
October 10, 2016: Journal of Forensic Sciences
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