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https://www.readbyqxmd.com/read/27921102/infrared-spectral-histopathology-using-haematoxylin-and-eosin-h-e-stained-glass-slides-a-major-step-forward-towards-clinical-translation
#1
Michael J Pilling, Alex Henderson, Jonathan H Shanks, Michael D Brown, Noel W Clarke, Peter Gardner
Infrared spectral histopathology has shown great promise as an important diagnostic tool, with the potential to complement current pathological methods. While promising, clinical translation has been hindered by the impracticalities of using infrared transmissive substrates which are both fragile and prohibitively very expensive. Recently, glass has been proposed as a potential replacement which, although largely opaque in the infrared, allows unrestricted access to the high wavenumber region (2500-3800 cm(-1))...
December 6, 2016: Analyst
https://www.readbyqxmd.com/read/27920814/low-energy-trauma-induced-intercondylar-femoral-fracture
#2
Mathias Aeby, Tobias Wyss, Birgit Mentrup, Erdmute Kunstmann, Franz Jakob, Daniel Aeberli
We present a 44-year-old female patient with recurrent fragility fractures including an intercondylar femoral fracture and with normal planar bone densitometry. Diagnosis of hypophosphatasia was suggested by low volumetric cortical bone mineral density and laboratory findings. DNA sequencing revealed heterozygous mutations in the exons 5, 6 and 9 of the ALPL gene, thus confirming the suspected diagnosis.
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920809/rates-and-reasons-for-lack-of-persistence-with-anti-osteoporotic-drugs-analysis-of-the-campania-region-database
#3
Giovanni Iolascon, Francesca Gimigliano, Antimo Moretti, Ilaria Riccio, Massimo Di Gennaro, Maddalena Illario, Valeria Marina Monetti, Valentina Orlando, Enrica Menditto
Subjects with chronic diseases are more likely to be nonpersistent to pharmacological treatment. Lack of persistence is common among subjects using oral anti-osteoporotic drugs, and leads to increased risk of fragility fracture. The aim of our retrospective study is to analyze the rates and reasons for discontinuation of anti-osteoporotic drugs in the Campania Region. Subjects aged over 40 years were included if they had received at least one prescription for any anti-osteoporotic drugs. Data were obtained from an administrative database of regional data on outpatient drug prescriptions reimbursed by the National Health Service...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920807/underdiagnosis-of-osteoporotic-vertebral-fractures-in-patients-with-fragility-fractures-retrospective-analysis-of-over-300-patients
#4
Vanna Bottai, Stefano Giannotti, Gloria Raffaetà, Maurizio Mazzantini, Francesco Casella, Gaia De Paola, Agnese Menconi, Francesca Falossi, Giulio Guido
Osteoporosis (OP) is a silent disease unless a fracture occurs; it is a major health problem, mainly due to fragility fractures, that occur at vertebral and peripheral sites. Vertebral fractures (VF) are probably the most common fragility fractures, but they go often unrecognized. The main clinical symptoms of VF are acute and chronic back pain, spinal deformity, reduced mobility and impaired quality of life. They are frequently associated with other fragility fractures. We examined 478 patients at our outpatient clinic, who were referred for fragility fracture occurrence...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27917977/discontinuity-in-pastoral-development-time-to-update-the-method
#5
S KrÄtli
Most off-the-shelf basic methodological tools currently used in pastoral development (e.g. technical definitions and conventional scales of observation) retain underlying assumptions about stability and uniformity being the norm (i.e. 'equilibrium thinking'). Such assumptions reflect a theoretical framework which had been questioned since the 1970s and was openly disproved in scientific circles during the 1990s, when it was shown to be fundamentally inadequate. Today, lingering equilibrium assumptions in the methodological legacy of pastoral development get in the way of operationalising state-of-the-art understanding of pastoral systems and drylands...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27916885/development-of-genetic-testing-for-fragile-x-syndrome-and-associated-disorders-and-estimates-of-the-prevalence-of-fmr1-expansion-mutations
#6
REVIEW
James N Macpherson, Anna Murray
The identification of a trinucleotide (CGG) expansion as the chief mechanism of mutation in Fragile X syndrome in 1991 heralded a new chapter in molecular diagnostic genetics and generated a new perspective on mutational mechanisms in human genetic disease, which rapidly became a central paradigm ("dynamic mutation") as more and more of the common hereditary neurodevelopmental disorders were ascribed to this novel class of mutation. The progressive expansion of a CGG repeat in the FMR1 gene from "premutation" to "full mutation" provided an explanation for the "Sherman paradox," just as similar expansion mechanisms in other genes explained the phenomenon of "anticipation" in their pathogenesis...
November 30, 2016: Genes
https://www.readbyqxmd.com/read/27916452/the-normal-range-of-fmr1-triple-cgg-repeats-may-be-associated-with-primary-ovarian-insufficiency-in-china
#7
Cui-Ling Lu, Rong Li, Xin-Na Chen, Yang-Ying Xu, Li-Ying Yan, Jie Yan, Yao-Yao Zhang, Hong-Yan Jin, Wen-Xin Zhang, Jie Qiao, Xiu-Mei Zhen
The aim of this study was to investigate the relationship between normal Fragile X mental retardation gene 1 (FMR1) CGG repeat numbers and primary ovarian insufficiency (POI) occurrence or subsequent resumption of ovarian function. A total of 122 women with POI and 105 controls were followed up and analysed in our centre. The prevalence of premutation and intermediate range of FMR1 CGG repeats in Han Chinese women with POI was only 0.81% (1/122) and 1.64% (2/122), respectively. The risk of POI occurrence for less than 26 CGG repeats and 29 or more CGG repeats in allele1 (smaller allele) was significantly higher than that for 26-28 CGG repeats (odds ratio 13...
November 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27915335/network-meta-analysis-of-pharmacological-agents-for-osteoporosis-treatment-and-fracture-prevention
#8
Xu-Cheng Yang, Zhen-Han Deng, Ting Wen, Wei Luo, Wen-Feng Xiao, Rui-Bo Zhao, Yu-Sheng Li
BACKGROUND AND OBJECTIVE: Osteoporosis afflicts a large number of populations in the world and is featured by systemic impairment of bone mass and strength which may further trigger an increase in the risk of fragile fractures. This network meta-analysis (NMA) is designed to distinguish therapies more preferable than others with respect to efficacy and safety. METHODS: We searched the medical literature for relevant studies systematically. Both direct and indirect evidence were synthesized to compare the efficacy, described by odds ratios (OR) and 95% credible intervals (CrI)...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27914716/replication-stalling-and-dna-microsatellite-instability
#9
M Leffak, R Gadgil, J Barthelemy, T Lewis
Microsatellites are short, tandemly repeated DNA motifs of 1-6 nucleotides, also termed simple sequence repeats (SRSs) or short tandem repeats (STRs). Collectively, these repeats comprise approximately 3% of the human genome Subramanian et al. (2003), Lander and Lander (2001) [1,2], and represent a large reservoir of loci highly prone to mutations Sun et al. (2012), Ellegren (2004) [3,4] that contribute to human evolution and disease. Microsatellites are known to stall and reverse replication forks in model systems Pelletier et al...
November 22, 2016: Biophysical Chemistry
https://www.readbyqxmd.com/read/27914355/characterisation-of-fine-grained-tailings-from-a-marble-processing-plant-and-their-acute-effects-on-the-copepod-calanus-finmarchicus
#10
Julia Farkas, Dag Altin, Karen M Hammer, Kaja C Hellstrøm, Andy M Booth, Bjørn Henrik Hansen
Submarine tailing disposal (STD) of mining waste is practiced as an alternative to land fill disposal in several countries. Knowledge regarding the environmental implications of STD on fjord and other marine ecosystems, including the pelagic environment, is scarce. In this study, we characterised the particle shape, size and metal content of the fine-grained fraction of tailings (FGT) from a Norwegian marble processing plant and investigated their acute toxicity and impact on feeding rate in adult Calanus finmarchicus...
November 30, 2016: Chemosphere
https://www.readbyqxmd.com/read/27914223/osteogenesis-imperfecta-new-genes-reveal-novel-mechanisms-in-bone-dysplasia
#11
REVIEW
Heeseog Kang, A C S Aryal, Joan C Marini
Osteogenesis imperfecta (OI) is a skeletal dysplasia characterized by fragile bones and short stature and known for its clinical and genetic heterogeneity which is now understood as a collagen-related disorder. During the last decade, research has made remarkable progress in identifying new OI-causing genes and beginning to understand the intertwined molecular and biochemical mechanisms of their gene products. Most cases of OI have dominant inheritance. Each new gene for recessive OI, and a recently identified gene for X-linked OI, has shed new light on its (often previously unsuspected) function in bone biology...
November 19, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27913981/the-challenges-of-anaesthesia-and-pain-relief-in-hip-fracture-care
#12
Rachel Cowan, Jun Hao Lim, Terence Ong, Ashok Kumar, Opinder Sahota
The care of the older person with hip fracture is complicated by their comorbid condition, limited physiological reserve, cognitive impairment and frailty. Two aspects of hip fracture management that have received considerable attention are how best to manage the pain associated with it and the ideal mode of anaesthesia. Existing literature has reported on the suboptimal treatment of pain in this orthogeriatric cohort. With recent advancements in medical care, a number of options have emerged as alternatives to conservative systemic analgesia...
December 3, 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27911744/dysregulation-of-mrna-localization-and-translation-in-genetic-disease
#13
Eric T Wang, J Matthew Taliaferro, Ji-Ann Lee, Indulekha P Sudhakaran, Wilfried Rossoll, Christina Gross, Kathryn R Moss, Gary J Bassell
RNA-binding proteins (RBPs) acting at various steps in the post-transcriptional regulation of gene expression play crucial roles in neuronal development and synaptic plasticity. Genetic mutations affecting several RBPs and associated factors lead to diverse neurological symptoms, as characterized by neurodevelopmental and neuropsychiatric disorders, neuromuscular and neurodegenerative diseases, and can often be multisystemic diseases. We will highlight the physiological roles of a few specific proteins in molecular mechanisms of cytoplasmic mRNA regulation, and how these processes are dysregulated in genetic disease...
November 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27911401/an-optimized-protocol-to-analyze-glycolysis-and-mitochondrial-respiration-in-lymphocytes
#14
Javier Traba, Pietro Miozzo, Billur Akkaya, Susan K Pierce, Munir Akkaya
Lymphocytes respond to a variety of stimuli by activating intracellular signaling pathways, which in turn leads to rapid cellular proliferation, migration and differentiation, and cytokine production. All of these events are tightly linked to the energy status of the cell, and therefore studying the energy-producing pathways may give clues about the overall functionality of these cells. The extracellular flux analyzer is a commonly used device for evaluating the performance of glycolysis and mitochondrial respiration in many cell types...
November 21, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909987/orexin-ox2-receptor-antagonists-as-sleep-aids
#15
Laura H Jacobson, Sui Chen, Sanjida Mir, Daniel Hoyer
The discovery of the orexin system represents the single major progress in the sleep field of the last three to four decades. The two orexin peptides and their two receptors play a major role in arousal and sleep/wake cycles. Defects in the orexin system lead to narcolepsy with cataplexy in humans and dogs and can be experimentally reproduced in rodents. At least six orexin receptor antagonists have reached Phase II or Phase III clinical trials in insomnia, five of which are dual orexin receptor antagonists (DORAs) that target both OX1 and OX2 receptors (OX2Rs)...
December 2, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27908492/fragility-fractures-of-the-ankle-in-the-elderly-open-reduction-and-internal-fixation-versus-tibio-talo-calcaneal-nailing-short-term-results-of-a-prospective-randomized-controlled-study
#16
D Georgiannos, V Lampridis, I Bisbinas
INTRODUCTION: The management of ankle fractures in the elderly remains unpredictable, secondary to their various co-morbidities. Although tibiotalocalcaneal (TTC) nailing has been an effective option for ankle arthrodesis due to ankle arthritis or Charcot arthropathy there are few reports regarding the use of TTC nail for the treatment of ankle fractures. PURPOSE: Aim of this study was to compare the results of ORIF versus TTC nailing for the treatment of unstable ankle fractures in the elderly...
November 17, 2016: Injury
https://www.readbyqxmd.com/read/27908253/assessment-of-bone-quality-in-osteoporosis-treatment-with-bone-anabolic-agents-really-something-new
#17
Fabio Massimo Ulivieri, Renata Caudarella, Marzia Camisasca, Daniela Maria Cabrini, Ilaria Merli, Carmelo Messina, Luca Petruccio Piodi
Osteoporosis is a chronic pathologic condition, particularly of the elderly, in which a reduction of bone mineral density (BMD) weakens bone, leading to the so-called fragility fractures, most often of spine and femur. The gold standard exam for the quantitative measurement of BMD is the dual X-ray photon absorptiometry (DXA), a radiological method. However, a relevant number of fragility fractures occurs in the range of normal BMD values, meaning that also qualitative aspects of bone play a role, namely bone architecture and bone geometry...
December 1, 2016: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/27907023/field-trials-reveal-ecotype-specific-responses-to-mycorrhizal-inoculation-in-rice
#18
Abdala Gamby Diedhiou, Fatou Kine Mbaye, Daouda Mbodj, Mathieu Ndigue Faye, Sarah Pignoly, Ibrahima Ndoye, Koffi Djaman, Souleymane Gaye, Aboubacry Kane, Laurent Laplaze, Baboucarr Manneh, Antony Champion
The overuse of agricultural chemicals such as fertilizer and pesticides aimed at increasing crop yield results in environmental damage, particularly in the Sahelian zone where soils are fragile. Crop inoculation with beneficial soil microbes appears as a good alternative for reducing agricultural chemical needs, especially for small farmers. This, however, requires selecting optimal combinations of crop varieties and beneficial microbes tested in field conditions. In this study, we investigated the response of rice plants to inoculation with arbuscular mycorrhizal fungi (AMF) and plant growth promoting bacteria (PGPB) under screenhouse and field conditions in two consecutive seasons in Senegal...
2016: PloS One
https://www.readbyqxmd.com/read/27906113/dystrophin-restoration-therapy-improves-both-the-reduced-excitability-and-the-force-drop-induced-by-lengthening-contractions-in-dystrophic-mdx-skeletal-muscle
#19
Pauline Roy, Fredérique Rau, Julien Ochala, Julien Messéant, Bodvael Fraysse, Jeanne Lainé, Onnik Agbulut, Gillian Butler-Browne, Denis Furling, Arnaud Ferry
BACKGROUND: The greater susceptibility to contraction-induced skeletal muscle injury (fragility) is an important dystrophic feature and tool for testing preclinic dystrophin-based therapies for Duchenne muscular dystrophy. However, how these therapies reduce the muscle fragility is not clear. METHODS: To address this question, we first determined the event(s) of the excitation-contraction cycle which is/are altered following lengthening (eccentric) contractions in the mdx muscle...
July 20, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27906029/trends-in-clinical-characteristics-and-outcomes-of-pre-art-care-at-a-large-hiv-clinic-in-nairobi-kenya-a-retrospective-cohort-study
#20
Jared O Mecha, Elizabeth N Kubo, Lucy W Nganga, Peter N Muiruri, Lilian N Njagi, Immaculate N Mutisya, Justine J Odionyi, Syokau C Ilovi, Mary Wambui, Christopher Githu, Richard Ngethe, Elizabeth M Obimbo, Zipporah W Ngumi
BACKGROUND: The success of antiretroviral therapy in resource-scarce settings is an illustration that complex healthcare interventions can be successfully delivered even in fragile health systems. Documenting the success factors in the scale-up of HIV care and treatment in resource constrained settings will enable health systems to prepare for changing population health needs. This study describes changing demographic and clinical characteristics of adult pre-ART cohorts, and identifies predictors of pre-ART attrition at a large urban HIV clinic in Nairobi, Kenya...
November 14, 2016: AIDS Research and Therapy
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