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https://www.readbyqxmd.com/read/29330991/diaphyseal-nutrient-foramina-in-dried-human-adult-long-bones-of-lower-limb-in-pakistan
#1
Ejaz Afzal, Fatima Sherin, Omair Khan, Noaman Hussain Siddiqui
BACKGROUND: osteogenesis needs circulation of blood in the bones. Bone growth, repair of fracture, maintenance of bone vitality and other injures also need blood circulation in proper way. Blood is allowed to flow via holes in the diaphysis, which are called as nutrient foramina. METHODS: The crosssectional study was done in the department of Anatomy, Ayub and Khyber Medical College (Osteology Sections). The aim was to observe diaphyseal nutrient foramina in the human long bones of the lower limb...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330906/generating-retinoic-acid-gradients-by-local-degradation-during-craniofacial-development-one-cell-s-cue-is-another-cell-s-poison
#2
REVIEW
Aditi Dubey, Rebecca E Rose, Drew R Jones, Jean-Pierre Saint-Jeannet
Retinoic acid (RA) is a vital morphogen for early patterning and organogenesis in the developing embryo. RA is a diffusible, lipophilic molecule that signals via nuclear RA receptor heterodimeric units that regulate gene expression by interacting with RA response elements in promoters of a significant number of genes. For precise RA signaling, a robust gradient of the morphogen is required. The developing embryo contains regions that produce RA, and specific intracellular concentrations of RA are created through local degradation mediated by Cyp26 enzymes...
January 13, 2018: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/29330785/genetic-knockdown-and-pharmacologic-inhibition-of-hypoxia-inducible-factor-hif-hydroxylases
#3
Christina Pickel, Cormac T Taylor, Carsten C Scholz
Reduced oxygen supply that does not satisfy tissue and cellular demand (hypoxia) regularly occurs both in health and disease. Hence, the capacity for cellular oxygen sensing is of vital importance for each cell to be able to alter its energy metabolism and promote adaptation to hypoxia. The hypoxia-inducible factor (HIF) prolyl hydroxylases 1-3 (PHD1-3) and the asparagine hydroxylase factor-inhibiting HIF (FIH) are the primary cellular oxygen sensors, which confer cellular oxygen-dependent sensitivity upon HIF as well as other hypoxia-sensitive pathways, such as nuclear factor κB (NF-κB)...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29330731/human-plant-exposures-reported-to-a-regional-southwestern-poison-control-center-over-8%C3%A2-years
#4
Ben Enfield, Daniel E Brooks, Sharyn Welch, Maureen Roland, Jane Klemens, Kim Greenlief, Rachel Olson, Richard D Gerkin
BACKGROUND: There is little published data about human plant exposures reported to US poison control centers (PCCs). METHODS: A retrospective chart review of all reported plant exposures to a single regional PCC between January 1, 2003 and December 31, 2010 was done to understand better the characteristics of plant exposure cases. Specific generic plant codes were used to identify cases. Recorded variables included patient demographics, plant involved, exposure variables, symptoms, management site, treatments, and outcome...
January 12, 2018: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/29330585/potentially-inappropriate-medications-in-community-dwelling-older-adults-undertaken-as-a-comprehensive-geriatric-risk-assessment
#5
Sharmin S Bala, Sujita W Narayan, Prasad S Nishtala
PURPOSE: The prescription of potentially inappropriate medications (PIMs) is associated with an increase in adverse events, prescribing cascades, high health-care costs, morbidity, and mortality in the elderly. The overarching objective of this study is to examine the prevalence of PIMs in the elderly, applying the 2012 American Geriatrics Society Beers criteria for the study period 2012-2014, and the updated 2015 Beers criteria for 2015. METHODS: The study population (N = 70,479) included a continuously recruited national cohort of community-dwelling older (aged ≥ 65 years) New Zealanders who had undertaken the International Resident Assessment Instrument-Home Care (interRAI-HC) assessments between September 2012 and October 2015...
January 12, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29330473/endothelial-heparan-sulfate-deficiency-reduces-inflammation-and-fibrosis-in-murine-diabetic-nephropathy
#6
Ditmer T Talsma, Kirankumar Katta, Marieke A B Ettema, Berna Kel, Marion Kusche-Gullberg, Moh R Daha, Coen A Stegeman, Jacob van den Born, Lianchun Wang
Inflammation plays a vital role in the development of diabetic nephropathy, but the underlying regulatory mechanisms are only partially understood. Our previous studies demonstrated that, during acute inflammation, endothelial heparan sulfate (HS) contributes to the adhesion and transendothelial migration of leukocytes into perivascular tissues by direct interaction with L-selectin and the presentation of bound chemokines. In the current study, we aimed to assess the role of endothelial HS on chronic renal inflammation and fibrosis in a diabetic nephropathy mouse model...
January 12, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29330361/discovery-of-microrna-target-modules-of-african-rice-oryza-glaberrima-under-salinity-stress
#7
Tapan Kumar Mondal, Alok Kumar Panda, Hukam C Rawal, Tilak Raj Sharma
Oryza glaberrima is the second edible rice in the genus Oryza. It is grown in the African countries. miRNAs are regulatory molecules that are involved in every domains of gene expression including salinity stress response. Although several miRNAs have been reported from various species of Oryza, yet none of them are from this species. Salt treated (200 mM NaCl for 48 h) and control smallRNA libraries of RAM-100, a salt tolerant genotype, each with 2 replications generated 150 conserve and 348 novel miRNAs...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330184/microbiomes-in-dishwashers-analysis-of-the-microbial-diversity-and-putative-opportunistic-pathogens-in-dishwasher-biofilm-communities
#8
Prem Krishnan Raghupathi, Jerneja Zupančič, Asker Daniel Brejnrod, Samuel Jacquiod, Kurt Houf, Mette Burmølle, Nina Gunde-Cimerman, Søren J Sørensen
Extreme habitats are not only limited to natural environments, but also apply to man-made systems, for instance household appliances such as dishwashers. Limiting factors, such as high temperatures, high and low pH, high NaCl concentrations, presence of detergents and shear force from water during washing cycles define the microbial survival in this extreme system. Fungal and bacterial diversity in biofilms isolated from rubber seals of 24 different household dishwashers were investigated using next generation sequencing...
January 12, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29330179/influence-of-type-i-fimbriae-and-fluid-shear-stress-on-bacterial-behavior-and-multicellular-architecture-of-early-escherichia-coli-biofilms-at-single-cell-resolution
#9
Liyun Wang, Robert Keatch, Qi Zhao, John A Wright, Clare E Bryant, Anna L Redmann, Eugene M Terentjev
Biofilm formation on abiotic surfaces in food and medical industry can cause severe contamination and infection, yet how biological and physical factors determine cellular architecture of early biofilms and bacterial behavior of the constituent cells remains largely unknown. In this study we examine the specific role of type-I fimbriae in nascent stages of biofilm formation and the response of micro-colonies to environmental flow shear at single-cell resolution. The results show that type-I fimbriae are not required for reversible adhesion from plankton, but critical for irreversible adhesion of Escherichia coli (E...
January 12, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29330080/use-of-a-pulsed-radiofrequency-energy-device-peak-plasmablade%C3%A2-in-neuromodulation-implant-revisions
#10
I Ughratdar, K A Kawsar, R Mitchell, R Selway, K Ashkan
BACKGROUND: Battery replacement or revision surgery for neuromodulation implants is conventionally performed using sharp dissection. Meticulous dissection within thick scar tissue is vital to avoid damage to surrounding lead(s) which could result in more extensive revision surgery. Traditional electrosurgery devices are contraindicated as the emitted energy can be transferred to the hardware resulting in implant or tissue damage with severe consequent complications. OBJECTIVE: We report our experience and potential applications of a novel, pulsed monopolar radiofrequency energy device (PEAK PlasmaBlade™, Medtronic plc) which facilitates dissection around implants without the risk of damaging or transmitting energy through the system...
January 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29329783/comparative-genome-based-cis-elements-analysis-in-the-5-upstream-and-3-downstream-region-of-cell-wall-invertase-and-phenylalanine-ammonia-lyase-in-nicotiana-benthamiana
#11
S A Sheshadri, M J Nishanth, N Harita, P Brindha, S Bindu
Plant secondary metabolites are widely used in human disease treatment; though primary metabolism provides precursors for secondary metabolism, not much has been studied to unravel the link connecting both the processes. Most common form of gene regulation interconnecting diverse metabolism occurs at the transcriptional and/or posttranscriptional level mediated by regulatory cis-elements. The present study aims at understanding the common cis-elements network connecting the major primary metabolic enzyme, cell wall invertase (CWIN) and secondary metabolism genes in Nicotiana benthamiana (N...
November 13, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/29329752/role-of-frozen-section-in-sentinel-lymph-node-biopsy-for-breast-cancer-in-the-era-of-the-acosog-z0011-and-ibcsg-23-10-trials
#12
Augusto Lombardi, Giuseppe Nigri, Stefano Maggi, Gianluca Stanzani, Valeria Vitale, Andrea Vecchione, Alessandro Nania, Claudio Amanti
BACKGROUND: Intraoperative frozen sections (FS) of sentinel lymph nodes (SLN) were evaluated to avoid the need for deferred axillary lymph node dissection (ALND) in patients with early breast cancer (EBC). However, FS has low sensitivity for detecting micro-metastases (<2 mm), resulting in patients who later undergo deferred ALND. The aim of the study was to determine the best clinical approach for selecting patients who would derive real benefit from ALND, as well as to minimize the functional and psychological damage caused by delayed surgery, and the risk of undertreating EBC patients...
January 9, 2018: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/29329713/baseline-and-pre-operative-1-year-mortality-risk-factors-in-a-cohort-of-509-hip-fracture-patients-consecutively-admitted-to-a-co-managed-orthogeriatric-unit-fonda-cohort
#13
Rocío Menéndez-Colino, Teresa Alarcon, Pilar Gotor, Rocío Queipo, Raquel Ramírez-Martín, Angel Otero, Juan I González-Montalvo
INTRODUCTION: The aim of this study was to determine the patient characteristics that predict 1-year mortality after a hip fracture (HF). METHODS: All patients admitted consecutively with fragility HF during 1 year in a co-managed orthogeriatric unit of a university hospital (FONDA cohort) were assesed. Baseline and admission demographic, clinical, functional, analytical and body-composition variables were collected in the first 72 h after admission. A protocol designed to minimize the consequences of the HF was applied...
January 6, 2018: Injury
https://www.readbyqxmd.com/read/29329665/bioactivation-of-1-chloro-2-hydroxy-3-butene-an-in-vitro-metabolite-of-1-3-butadiene-by-rat-liver-microsomes
#14
Ye Wang, Ying-Xin Yu, Yang Luan, Jing An, Dong-Guang Yin, Xin-Yu Zhang
1-Chloro-2-hydroxy-3-butene (CHB) is an in vitro metabolite of 1,3-butadiene, a rodent/human carcinogen. To search for an approach detecting CHB in vivo, it is vital to obtain a full understanding of CHB metabolism. Previously, we demonstrated that CHB was bioactivated to 1-chloro-3-buten-2-one (CBO) by alcohol dehydrogenase. However, CHB metabolism by cytochrome P450s has not been reported. Thus, in the present study, CHB metabolism by rat liver microsomes was investigated. The results showed that CHB was converted to 1-chloro-3,4-epoxy-2-butanol (CEB) and CBO...
January 9, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29329584/validity-of-the-school-setting-interview-for-students-with-special-educational-needs-in-regular-high-school-a-rasch-analysis
#15
Moa Yngve, Michaela Munkholm, Helene Lidström, Helena Hemmingsson, Elin Ekbladh
BACKGROUND: Participation in education is a vital component of adolescents' everyday life and a determinant of health and future opportunities in adult life. The School Setting Interview (SSI) is an instrument which assesses student-environment fit and reflects the potential needs for adjustments to enhance students' participation in school activities. The aim of the study was to investigate the psychometric properties of the SSI for students with special educational needs in regular high school...
January 12, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29329366/delineating-differential-regulatory-signatures-of-the-human-transcriptome-in-the-choriodecidua-and-myometrium-at-term-labor
#16
Sylvia Lui, Cyntia Duval, Farkhondeh Farrokhnia, Sylvie Girard, Lynda K Harris, Clare L Tower, Adam Stevens, Rebecca L Jones
Background: Preterm deliveries remain the leading cause of neonatal morbidity and mortality. Current therapies target only myometrial contractions and are largely ineffective. As labor involves multiple coordinated events across maternal and fetal tissues, identifying fundamental regulatory pathways of normal term labor is vital to understanding successful parturition and consequently labor pathologies. We aimed to identify transcriptomic signatures of human normal term labor of two tissues: in the fetal-facing choriodecidua and the maternal myometrium...
January 10, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29329301/estimated-mortality-on-hiv-treatment-among-active-patients-and-patients-lost-to-follow-up-in-4-provinces-of-zambia-findings-from-a-multistage-sampling-based-survey
#17
Charles B Holmes, Izukanji Sikazwe, Kombatende Sikombe, Ingrid Eshun-Wilson, Nancy Czaicki, Laura K Beres, Njekwa Mukamba, Sandra Simbeza, Carolyn Bolton Moore, Cardinal Hantuba, Peter Mwaba, Caroline Phiri, Nancy Padian, David V Glidden, Elvin Geng
BACKGROUND: Survival represents the single most important indicator of successful HIV treatment. Routine monitoring fails to capture most deaths. As a result, both regional assessments of the impact of HIV services and identification of hotspots for improvement efforts are limited. We sought to assess true mortality on treatment, characterize the extent under-reporting of mortality in routine health information systems in Zambia, and identify drivers of mortality across sites and over time using a multistage, regionally representative sampling approach...
January 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29329265/multiple-octave-spanning-vibration-sensing-based-on-simultaneous-vector-demodulation-of-499-fizeau-interference-signals-from-identical-ultra-weak-fiber-bragg-gratings-over-2-5-km
#18
Yi Li, Li Qian, Ciming Zhou, Dian Fan, Qiannan Xu, Yandong Pang, Xi Chen, Jianguan Tang
Multi-point vibration sensing at the low frequency range of 0.5-100 Hz is of vital importance for applications such as seismic monitoring and underwater acoustic imaging. Location-resolved multi-point sensing using a single fiber and a single demodulation system can greatly reduce system deployment and maintenance costs. We propose and demonstrate the demodulation of a fiber-optic system consisting of 500 identical ultra-weak Fiber Bragg gratings (uwFBGs), capable of measuring the amplitude, frequency and phase of acoustic signals from 499 sensing fibers covering a total range of 2...
January 12, 2018: Sensors
https://www.readbyqxmd.com/read/29329108/cracking-novel-shared-targets-between-epilepsy-and-alzheimer-s-disease-need-of-the-hour
#19
Nitika Garg, Rupa Joshi, Bikash Medhi
Epilepsy and Alzheimer's disease (AD) are interconnected. It is well known that seizures are linked with cognitive impairment, and there are various shared etiologies between epilepsy and AD. The connection between hyperexcitability of neurons and cognitive dysfunction in the progression of AD or epileptogenesis plays a vital role for improving selection of treatment for both diseases. Traditionally, seizures occur less frequently and in later stages of age in patients with AD which in turn implies that neurodegeneration causes seizures...
January 12, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29329076/attachment-of-nanoparticulate-drug-release-systems-on-poly-%C3%AE%C2%B5-caprolactone-nanofibers-via-a-graftpolymer-as-interlayer
#20
Dominik de Cassan, Steffen Sydow, Nadeschda Schmidt, Peter Behrens, Yvonne Roger, Andrea Hoffmann, Anna Lena Hoheisel, Birgit Glasmacher, Robert Hänsch, Henning Menzel
Electrospun poly(ε-caprolactone) (PCL) fiber mats are modified using a chitosan grafted with PCL (CS-g-PCL), to improve the biological performance and to enable further modifications. The graft copolymer is immobilized by the crystallization of the PCL grafts on the PCL fiber surface as binding mechanism. In this way, the surface of the fibers is covered with chitosan bearing cationic amino groups, which allow adsorption of oppositely charged nanoparticulate drug-delivery systems. The modification of the fiber mats and the attachment of the drug delivery systems are easy and scalable dip processes...
December 29, 2017: Colloids and Surfaces. B, Biointerfaces
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