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https://www.readbyqxmd.com/read/29151281/skeletal-muscle-performance-and-ageing
#1
REVIEW
Michael Tieland, Inez Trouwborst, Brian C Clark
The world population is ageing rapidly. As society ages, the incidence of physical limitations is dramatically increasing, which reduces the quality of life and increases healthcare expenditures. In western society, ~30% of the population over 55 years is confronted with moderate or severe physical limitations. These physical limitations increase the risk of falls, institutionalization, co-morbidity, and premature death. An important cause of physical limitations is the age-related loss of skeletal muscle mass, also referred to as sarcopenia...
November 19, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29151276/microbial-growth-in-building-material-samples-and-occupants-health-in-severely-moisture-damaged-homes
#2
K Järvi, A Hyvärinen, M Täubel, A M Karvonen, M Turunen, K Jalkanen, R Patovirta, T Syrjänen, J Pirinen, H Salonen, A Nevalainen, J Pekkanen
There is no commonly approved approach to detect and quantify the health relevant microbial exposure in moisture damaged buildings. In 39 single-family homes with severe moisture damage, we studied whether concentrations of viable microbes in building material samples are associated with health among 71 adults and 68 children, assessed with symptoms questionnaires, exhaled NO and peak expiratory flow (PEF) variability. Symptoms were grouped into three scores: upper respiratory symptoms, lower respiratory symptoms and general symptoms...
November 19, 2017: Indoor Air
https://www.readbyqxmd.com/read/29151273/post-treatment-with-methylene-blue-is-effective-against-delayed-encephalopathy-after-acute-carbon-monoxide-poisoning
#3
Ningjun Zhao, Pengchong Liang, Xiaoying Zhuo, Chenglei Su, Xuemei Zong, Bingnan Guo, Han Dong, Xianliang Yan, Shuqun Hu, Quanguang Zhang, Xu Tie
Delayed encephalopathy after acute carbon monoxide (CO) poisoning (DEACMP) is the most severe and clinically intractable complication that occurs following acute carbon monoxide poisoning. Unfortunately, the mechanism of DEACMP is still vague. Growing evidence indicates that delayed cerebral damage following CO poisoning is related to oxidative stress, abnormal neuro-inflammation, apoptosis and immune-mediated injury. Our recent report indicated that methylene blue (MB) may be a promising therapeutic agent in the prevention of neuronal cell death and cognitive deficits following transient global cerebral ischaemia (GCI)...
November 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29151267/impaired-permeability-and-antimicrobial-barriers-in-type-2-diabetes-skin-are-linked-to-increased-serum-levels-of-advanced-glycation-end-product
#4
Jae-Hong Kim, Na Young Yoon, Dong Hye Kim, Minyoung Jung, Myungsoo Jun, Hwa-Young Park, Choon Hee Chung, Kyohoon Lee, Sunki Kim, Chang Seo Park, Kwang-Hyeon Liu, Eung Ho Choi
BACKGROUND: The incidence of type 2 diabetes mellitus (DM) has been increasing rapidly, and the disease has become a serious sociomedical problem. Many skin problems, such as xerosis, pruritus, skin infections, and delayed wound healing, that might be related to chronic impairment of skin barrier function decrease the quality of life in DM patients. However, the status of the permeability and antimicrobial barrier of the skin in DM remains unknown. OBJECTIVE: This study aimed to elucidate skin barrier impairment in type 2 DM patients and its patho-mechanisms using classic animal models of type 2 DM...
November 19, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29151266/crystal-structure-and-catalytic-characterization-of-the-dehydrogenase-reductase-sdr-family-member-4-dhrs4-from-caenorhabditis-elegans
#5
Michael Kisiela, Annette Faust, Bettina Ebert, Edmund Maser, Axel J Scheidig
The human dehydrogenase/reductase SDR family member 4 (DHRS4) is a tetrameric protein that is involved in the metabolism of several aromatic carbonyl compounds, steroids and bile acids. The only invertebrate DHRS4 that has been characterized to date is that from the model organism Caenorhabditis elegans. We have previously cloned and initially characterized this protein that was recently annotated as DHRS4_CAEEL in the UniProtKB database. Crystallization and X-ray diffraction studies of the full-length DHRS4_CAEEL protein in complex with diacetyl revealed its tetrameric structure and showed that two subunits are connected via an intermolecular disulfide bridge that is formed by N-terminal cysteine residues (Cys5) of each protein chain, which increases the enzymatic activity...
November 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29151253/a-two-week-fecal-microbiota-transplantation-course-in-pediatric-patients-with-inflammatory-bowel-disease
#6
Katarzyna Karolewska-Bochenek, Pawel Grzesiowski, Aleksandra Banaszkiewicz, Agnieszka Gawronska, Maria Kotowska, Marcin Dziekiewicz, Piotr Albrecht, Andrzej Radzikowski, Izabella Lazowska-Przeorek
Dysbiosis plays a major role in the etiology of inflammatory bowel disease (IBD). Fecal microbiota transplantation (FMT) is a new promising option for IBD treatment. We aimed to assess the effectiveness of a two-week FMT course in children with IBD. Ten patients, 10-17 years of age with moderate to severe IBD received a course of eight doses of freshly prepared FMT via a naso-duodenal tube or gastroscopy. All of the patients had pancolitis. There were eight cases of ulcerative colitis (UC) and two of Crohn's disease (CD)...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151251/quality-of-life-following-hospitalization-associated-acute-kidney-injury-in-children
#7
Kelsey L Richardson, R Scott Watson, Sangeeta Hingorani
OBJECTIVES: Acute kidney injury (AKI) is common in hospitalized children. The impact of AKI following hospitalization is not fully understood, particularly the impact on health related quality of life (HRQOL). The goal of this study was to determine the relationship between hospitalization-associated AKI and HRQOL in a pediatric population. STUDY DESIGN: We conducted a retrospective cohort study of children with hospitalization-associated AKI. Eligible children were 1-19 years old with AKI defined by kidney disease improving global outcomes (KDIGO) criteria and had at least one completed pediatric quality of life (PedsQL) 4...
November 18, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/29151244/identification-of-rare-noncoding-sequence-variants-in-gamma-aminobutyric-acid-a-receptor-alpha-4-subunit-in-autism-spectrum-disorder
#8
Anthony J Griswold, Derek Van Booven, Michael L Cuccaro, Jonathan L Haines, John R Gilbert, Margaret A Pericak-Vance
Alterations of the gamma-aminobutyric acid (GABA) signaling system has been strongly linked to the pathophysiology of autism spectrum disorder (ASD). Genetic associations of common variants in GABA receptor subunits, in particular GABRA4 on chromosome 4p12, with ASD have been replicated by several studies. Moreover, molecular investigations have identified altered transcriptional and translational levels of this gene and protein in brains of ASD individuals. Since the genotyped common variants are likely not the functional variants contributing to the molecular consequences or underlying ASD phenotype, this study aims to examine rare sequence variants in GABRA4, including those outside the protein coding regions of the gene...
November 18, 2017: Neurogenetics
https://www.readbyqxmd.com/read/29151232/early-promising-outcome-following-arthroscopic-implantation-of-the-subacromial-balloon-spacer-for-treating-massive-rotator-cuff-tear
#9
R S M Piekaar, I C E Bouman, P M van Kampen, F van Eijk, P E Huijsmans
BACKGROUND: Massive rotator cuff tear (RCT) can result in disability and severe pain. When conservative treatment fails, surgical treatment should be considered, as various surgical options can provide relatively satisfactory results. However, choosing an optimal treatment remains controversial. A relatively new treatment for irreparable RCT is the arthroscopic implantation of a biodegradable balloon spacer into the subacromial space. Here, we examined whether placement of this balloon spacer reduces pain and improves functional outcome in patients with an irreparable RCT...
November 18, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/29151228/previously-implanted-intra-peritoneal-mesh-increases-morbidity-during-re-laparoscopy-a-retrospective-case-matched-cohort-study
#10
A Sharma, P Chowbey, N S Kantharia, M Baijal, V Soni, R Khullar
PURPOSE: Laparoscopic ventral hernia repair (LVHR) with intra-peritoneal mesh placement is standard surgical treatment of abdominal wall hernias. During laparoscopic re-intervention, we examined adhesions that develop after previous intra-peritoneal mesh placement and ascertained morbidity and risk of adverse events. METHODS: This is a retrospective, case-matched comparison of three patient groups-previous intra-peritoneal mesh (Group A), previous abdominal surgery (Group B) and no previous abdominal surgery (Group C)...
November 18, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29151209/in-vitro-dissolution-dynamic-nuclear-polarization-for-sensitivity-enhancement-of-nmr-with-biological-molecules
#11
Yaewon Kim, Yunyi Wang, Hsueh-Ying Chen, Christian Hilty
Dissolution dynamic nuclear polarization (D-DNP) is a technique to prepare hyperpolarized nuclear spin states, yielding a signal enhancement of several orders of magnitude for liquid-state NMR. Here, we describe experimental procedures for the application of D-DNP in high-resolution NMR of biochemical compounds, to determine the time evolution of biochemical processes and intermolecular interactions.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29151203/experimental-aspects-of-polarization-optimized-experiments-poe-for-magic-angle-spinning-solid-state-nmr-of-microcrystalline-and-membrane-bound-proteins
#12
T Gopinath, Gianluigi Veglia
Conventional NMR pulse sequences record one spectrum per experiment, while spending most of the time waiting for the spin system to return to the equilibrium. As a result, a full set of multidimensional NMR experiments for biological macromolecules may take up to several months to complete. Here, we present a practical guide for setting up a new class of MAS solid-state NMR experiments (POE or polarization optimized experiments) that enable the simultaneous acquisition of multiple spectra of proteins, accelerating data acquisition...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29151202/nmr-of-macromolecular-assemblies-and-machines-at-1-ghz-and-beyond-new-transformative-opportunities-for-molecular-structural-biology
#13
Caitlin M Quinn, Mingzhang Wang, Tatyana Polenova
As a result of profound gains in sensitivity and resolution afforded by ultrahigh magnetic fields, transformative applications in the fields of structural biology and materials science are being realized. The development of dual low temperature superconducting (LTS)/high-temperature superconducting (HTS) magnets has enabled the achievement of magnetic fields above 1 GHz (23.5 T), which will open doors to an unprecedented new range of applications. In this contribution, we discuss the promise of ultrahigh field magnetic resonance...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29151199/loneliness-in-older-adults-living-with-hiv
#14
Meredith Greene, Nancy A Hessol, Carla Perissinotto, Roland Zepf, Amanda Hutton Parrott, Cameron Foreman, Robert Whirry, Monica Gandhi, Malcolm John
We conducted a cross-sectional study among HIV-positive adults age ≥ 50 in San Francisco to evaluate the frequency of loneliness, characteristics of those who reported loneliness, and the association of loneliness with functional impairment and health-related quality of life (HRQoL). Participants (N = 356) were predominately male (85%); 57% were white; median age was 56. 58% reported any loneliness symptoms with 24% reporting mild, 22% moderate and 12% severe loneliness. Lonely participants were more likely to report depression, alcohol and tobacco use, and have fewer relationships...
November 18, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/29151191/silica-nanoparticle-exposure-inducing-granulosa-cell-apoptosis-and-follicular-atresia-in-female-balb-c-mice
#15
Jianhui Liu, Man Yang, Li Jing, Lihua Ren, Jialiu Wei, Jin Zhang, Feng Zhang, Junchao Duan, Xianqing Zhou, Zhiwei Sun
Given that the effects of ultrafine fractions (< 0.1 μm) on reproductive diseases are gaining attention, this study aimed to explore the influence of silica nanoparticle (SiNP)-induced female reproductive dysfunction. In this study, 80 female mice were randomly divided into four groups including a control group and three concentrations of SiNP groups (7, 21, 35 mg/kg). Mice were exposed to the vehicle control and silica nanoparticles by tracheal perfusion every 3 days a total of five times in 15 days...
November 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29151188/dry-flue-gas-desulfurization-by-product-application-effects-on-plant-uptake-and-soil-storage-changes-in-a-managed-grassland
#16
Jason R Burgess-Conforti, Kristofor R Brye, David M Miller, Erik D Pollock, Lisa S Wood
Environmental regulations mandate that sulfur dioxide (SO2) be removed from the flue gases of coal-fired power plants, which results in the generation of flue gas desulfurization (FGD) by-products. These FGD by-products may be a viable soil amendment, but the large amounts of trace elements contained in FGD by-products are potentially concerning. The objective of this study was to evaluate the effects of land application of a high-Ca dry FGD (DFGD) by-product on trace elements in aboveground biomass and soil...
November 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29151174/the-impact-of-remission-status-on-patients-experiences-with-acute-myeloid-leukemia-aml-an-exploratory-analysis-of-longitudinal-patient-reported-outcomes-data
#17
Neha Kayastha, Steven P Wolf, Susan C Locke, Gregory P Samsa, Areej El-Jawahri, Thomas W LeBlanc
PURPOSE: Shared decision-making in acute myeloid leukemia (AML) requires understanding patients' longitudinal experiences of illness, but little is known about the impact of remission status on patient-reported outcomes (PROs). We aimed to explore the association between remission status and PROs 6-12 months following induction chemotherapy. METHODS: Forty-two patients completed three validated instruments characterizing symptom burden (Patient Care Monitor v2...
November 18, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29151169/parkinson-s-disease-experimental-models-and-reality
#18
REVIEW
Peizhou Jiang, Dennis W Dickson
Parkinson's disease (PD) is a chronic, progressive movement disorder of adults and the second most common neurodegenerative disease after Alzheimer's disease. Neuropathologic diagnosis of PD requires moderate-to-marked neuronal loss in the ventrolateral substantia nigra pars compacta and α-synuclein (αS) Lewy body pathology. Nigrostriatal dopaminergic neurodegeneration correlates with the Parkinsonian motor features, but involvement of other peripheral and central nervous system regions leads to a wide range of non-motor features...
November 18, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/29151168/strengthening-validity-in-studies-of-pelvic-floor-disorders-through-qualitative-research-an-example-from-ethiopia
#19
Astrid Blystad, Guri Rortveit, Janne Lillelid Gjerde, Mulu Muleta, Karen Marie Moland
INTRODUCTION AND HYPOTHESIS: This formative qualitative follow-up study addresses validity concerns in the Dabat Incontinence and Prolapse (DABINCOP) study, which aimed to determine the prevalence of pelvic floor disorders in north-west Ethiopia. A pilot study using a questionnaire validated by pelvic exam showed severe underreporting of clinically relevant pelvic organ prolapse (POP). The objective of the follow-up study was to explore the reasons behind the underreporting and to gather information to strengthen the sensitivity and local relevance of the questionnaire to be employed in the main study...
November 18, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/29151166/t2-weighted-images-are-superior-to-other-mr-image-types-for-the-determination-of-diffuse-intrinsic-pontine-glioma-intratumoral-heterogeneity
#20
Stephen Harward, S Harrison Farber, Michael Malinzak, Oren Becher, Eric M Thompson
PURPOSE: Diffuse intrinsic pontine glioma (DIPG) remains the main cause of death in children with brain tumors. Given the inefficacy of numerous peripherally delivered agents to treat DIPG, convection enhanced delivery (CED) of therapeutic agents is a promising treatment modality. The purpose of this study was to determine which MR imaging type provides the best discrimination of intratumoral heterogeneity to guide future stereotactic implantation of CED catheters into the most cellular tumor regions...
November 18, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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