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https://www.readbyqxmd.com/read/28937998/selection-of-dna-aptamers-specific-for-live-pseudomonas-aeruginosa
#1
Jennifer Soundy, Darren Day
Pseudomonas aeruginosa is an opportunistic pathogen that causes significant morbidity and mortality in immunocompromised patients, particular cystic fibrosis sufferers, burns victims, diabetics and neonates. It thrives in moist places where it forms biofilms that are exceedingly difficult to eradicate on hospital surfaces, in water supplies and implanted biomaterials. Using a live cell SELEX approach we selected DNA aptamers to P. aeruginosa grown as biofilms in microfluidic cells. From a pool of aptamer candidates showing tight binding a stem-loop structure was identified as being important for binding...
2017: PloS One
https://www.readbyqxmd.com/read/28937935/the-impact-of-the-2006-massachusetts-health-care-reform-law-on-spine-surgery-patient-payer-mix-status-and-age
#2
Nicolas W Villelli, Hong Yan, Jian Zou, Nicholas M Barbaro
OBJECTIVE Several similarities exist between the Massachusetts health care reform law of 2006 and the Affordable Care Act (ACA). The authors' prior neurosurgical research showed a decrease in uninsured surgeries without a significant change in surgical volume after the Massachusetts reform. An analysis of the payer-mix status and the age of spine surgery patients, before and after the policy, should provide insight into the future impact of the ACA on spine surgery in the US. METHODS Using the Massachusetts State Inpatient Database and spine ICD-9-CM procedure codes, the authors obtained demographic information on patients undergoing spine surgery between 2001 and 2012...
September 15, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28937283/engineering-rubisco-activase-from-thermophilic-cyanobacteria-into-high-temperature-sensitive-plants
#3
Chukwuma C Ogbaga, Piotr Stepien, Habib-Ur-Rehman Athar, Muhammad Ashraf
In the past decade, various strategies to improve photosynthesis and crop yield, such as leaf morphology, light interception and use efficiency, biochemistry of light reactions, stomatal conductance, carboxylation efficiency, and source to sink regulation, have been discussed at length. Leaf morphology and physiology are tightly coupled to light capturing efficiency, gas exchange capacity, and temperature regulation. However, apart from the photoprotective mechanism of photosystem-II (PSII), i.e. non-photochemical quenching, very low genetic variation in the components of light reactions has been observed in plants...
September 22, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28937064/nephrocalcinosis-among-children-at-king-hussein-medical-center-causes-and-outcome
#4
Jwaher T Al-Bderat, Reham I Mardinie, Ghazi M Salaita, Amer T Al-Bderat, Mahdi K Farrah
Nephrocalcinosis (NC) is defined as deposition of calcium crystals in the renal parenchyma and tubules. This is a retrospective review of all the data of 63 children presented to Pediatric Nephrology Clinic at King Hussein Medical Center (KHMC) over a 15-year period with bilateral NC. We determine their causes, clinical presentation and evaluate their growth and renal function during their follow-up. Thirty-five (55.5%) cases were males and 28 (44.5%) were females. The median (range) age at presentation was four (2-192) months...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28936978/advances-on-polyphenism-in-insects
#5
Xian-Ci Xue, Li Yu
Polyphenism denotes that one genome produces two or more distinct phenotypes due to environmental inductions. Many cases have been reported in insects, for example, metamorphosis, seasonal polyphenism, the caste of eusocial insects and so on. Polyphenism is one of the most important reasons for insects to survive and thrive, because insects can adapt and use the environmental cues around them in order to avoid predators and reproduce by changing their phenotypes. Polyphenism has received growing attentions, ranging from the earlier description of this phenomenon to the exploration of possible inducing factors...
September 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28936199/bone-status-in-a-patient-with-insulin-like-growth-factor-1-receptor-deletion-syndrome-bone-quality-and-structure-evaluation-using-dual-energy-x-ray-absorptiometry-peripheral-quantitative-computed-tomography-and-quantitative-ultrasonography
#6
Paola Pelosi, Elisabetta Lapi, Loredana Cavalli, Alberto Verrotti, Marilena Pantaleo, Maurizio de Martino, Stefano Stagi
Haploinsufficiency of the insulin-like growth factor (IGF)-1 receptor (IGF1R) gene is a rare, probably under-diagnosed, cause of short stature. However, the effects of IGF1R haploinsufficiency on glucose metabolism, bone status, and metabolism have rarely been investigated. We report the case of a patient referred to our center at the age of 18 months for short stature, failure to thrive, and Silver-Russell-like phenotype. Genetic analysis did not show hypomethylation of the 11p15.5 region or uniparental disomy of chromosome 7...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28932688/alg9-cdg-new-clinical-case-and-review-of-the-literature
#7
Kellie Davis, Duncan Webster, Chris Smith, Sheryl Jackson, David Sinasac, Lorne Seargeant, Xing-Chang Wei, Patrick Ferreira, Julian Midgley, Yolanda Foster, Xueli Li, Miao He, Walla Al-Hertani
Congenital disorders of glycosylation (CDG) are a group of metabolic diseases resulting from defects in glycan synthesis or processing. The number of subgroups and their phenotypic spectrums continue to expand with most related to deficiencies of N-glycosylation. ALG9-CDG (previously CDG-IL) is the result of a mutation in ALG9. This gene encodes the enzyme alpha-1,2-mannosyltransferase. To date, a total of 10 patients from 6 different families have been reported with one of four ALG9 mutations. Seven of these patients had a similar phenotype with failure to thrive, dysmorphic features, seizures, hepatic and/or renal cysts; the other three patients died in utero from a lethal skeletal dysplasia...
December 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28931801/elizabethkingia-meningoseptica-in-a-case-of-biliary-tract-infection-following-liver-transplantation
#8
Hebah M Musalem, Yazan N Honjol, Lin M Tuleimat, Saleh I Al Abbad, Fahad I Alsohaibani
BACKGROUND Elizabethkingia meningoseptica (E. meningoseptica) is an aerobic Gram-negative bacillus known to thrive in moist environments, and is now recognized as a hospital-acquired infection, being found to contaminate hospital equipment, respiratory apparatus, hospital solutions, water, and drainage systems. Nosocomial infection with E. meningoseptica occurs in immunocompromised patients, requires specialized identification methods, and is resistant to conventional antibiotics. We report a case of E. meningoseptica infection arising from a percutaneous transhepatic biliary drainage (PTBD) tube...
September 21, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28931718/solar-powered-ventilation-of-african-termite-mounds
#9
Samuel A Ocko, Hunter King, David Andreen, Paul Bardunias, J Scott Turner, Rupert Soar, L Mahadevan
How termite mounds function to facilitate climate control is still only partially understood. Recent experimental evidence in the mounds of a single species, the south Asian termite Odontotermes obesus, suggests that the daily oscillations of radiant heating associated with diurnal insolation patterns drive convective flow within them. How general this mechanism is remains unknown. To probe this, we consider the mounds of the African termite Macrotermes michaelseni, which thrives in a very different environment...
September 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28931654/cancer-immunotherapy-with-recombinant-poliovirus-induces-ifn-dominant-activation-of-dendritic-cells-and-tumor-antigen-specific-ctls
#10
Michael C Brown, Eda K Holl, David Boczkowski, Elena Dobrikova, Mubeen Mosaheb, Vidya Chandramohan, Darell D Bigner, Matthias Gromeier, Smita K Nair
Tumors thrive in an immunosuppressive microenvironment that impedes antitumor innate and adaptive immune responses. Thus, approaches that can overcome immunosuppression and engage antitumor immunity are needed. This study defines the adjuvant and cancer immunotherapy potential of the recombinant poliovirus/rhinovirus chimera PVSRIPO. PVSRIPO is currently in clinical trials against recurrent World Health Organization grade IV malignant glioma, a notoriously treatment-refractory cancer. Cytopathogenic infection of neoplastic cells releases the proteome and exposes pathogen- and damage-associated molecular patterns...
September 20, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28930265/a-review-on-ethno-medicinal-and-pharmacological-activities-of-sphenocentrum-jollyanum-pierre
#11
REVIEW
Olubukola Sinbad Olorunnisola, Olumide Samuel Fadahunsi, Peter Adegbola
Sphenocentrum jollyanum Pierre is a member of a diverse family of plants known as Menispermaceae. They are famous for a plethora of important biological functions. S. jollyanum is a shrub native to the tropical forest zones of West Africa and thrives in deep shade. It is widely cultivated in Cameroun, Sierra Leone, Nigeria, Ghana, and Côte d'Ivoire. S. jollyanum is employed in folk medicine as a cure for wounds, fever, coughs, high blood pressure, breast tumor, constipation, and as an aphrodisiac. Phytochemical investigations revealed that the plant is a rich source of secondary metabolites such as annin, alkaloids, saponins, and flavonoids...
July 3, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28928975/a-unique-association-of-noonan-syndrome-and-47-xyy-syndrome-in-a-male-presenting-with-failure-to-thrive
#12
Edward J Bellfield, Zohra Shad
We describe a 24-month-old male patient who presented to our Genetics-Endocrinology Clinic with a history of failure to thrive, short stature and cryptorchidism. Soon after birth he was diagnosed with 47,XYY syndrome, but due unusual facial features had further diagnostic workup which revealed Noonan syndrome (NS) as well. This report illustrates significant phenotypic-cytogenetic variability within the clinical presentation of NS and 47,XYY syndrome, as well as the need to investigate patients for other genetic defects when phenotype does not correlate with genotype...
September 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28927754/motility-disorders-in-infants
#13
I J N Koppen, M A Benninga, M M J Singendonk
Gastrointestinal motility disorders are common in the pediatric population and may affect the entire gastrointestinal tract and can vary from mild to severe conditions. They may clinically manifest as gastro-esophageal reflux symptoms, feeding difficulties and failure to thrive, constipation and diarrhea amongst others. This review first highlights the embryologic development of the gastrointestinal tract, after which the prenatal and neonatal development of gastrointestinal motility is discussed. Normal motility patterns as seen in (preterm) infants are described as a background for the discussion of the most common congenital and acquired motility disorders in infancy...
September 16, 2017: Early Human Development
https://www.readbyqxmd.com/read/28921668/controlling-molecular-doping-in-organic-semiconductors
#14
REVIEW
Ian E Jacobs, Adam J Moulé
The field of organic electronics thrives on the hope of enabling low-cost, solution-processed electronic devices with mechanical, optoelectronic, and chemical properties not available from inorganic semiconductors. A key to the success of these aspirations is the ability to controllably dope organic semiconductors with high spatial resolution. Here, recent progress in molecular doping of organic semiconductors is summarized, with an emphasis on solution-processed p-type doped polymeric semiconductors. Highlighted topics include how solution-processing techniques can control the distribution, diffusion, and density of dopants within the organic semiconductor, and, in turn, affect the electronic properties of the material...
September 15, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28920984/tailoring-the-morphology-followed-by-the-electrochemical-performance-of-nimn-ldh-nanosheet-arrays-through-controlled-co-doping-for-high-energy-and-power-asymmetric-supercapacitors
#15
Saurabh Singh, Nanasaheb M Shinde, Qi Xun Xia, Chandu V V M Gopi, Je Moon Yun, Rajaram S Mane, Kwang Ho Kim
Herein, we tailor the surface morphology of nickel-manganese-layered double hydroxide (NiMn-LDH) nanostructures on 3D nickel-foam via a step-wise cobalt (Co)-doping hydrothermal chemical process. At the 10% optimum level of Co-doping, we noticed a thriving tuned morphological pattern of NiMn-LDH nanostructures (NiCoMn-LDH (10%)) in terms of the porosity of the nanosheet (NS) arrays which not only improves the rate capability as well as cycling stability, but also demonstrates nearly two-fold specific capacitance enhancement compared to Co-free and other NiCoMn-LDH electrodes with a half-cell configuration in 3 M KOH, suggesting that Co-doping is indispensable for improving the electrochemical performance of NiMn-LDH electrodes...
September 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28919799/maple-syrup-urine-disease-mechanisms-and-management
#16
REVIEW
Patrick R Blackburn, Jennifer M Gass, Filippo Pinto E Vairo, Kristen M Farnham, Herjot K Atwal, Sarah Macklin, Eric W Klee, Paldeep S Atwal
Maple syrup urine disease (MSUD) is an inborn error of metabolism caused by defects in the branched-chain α-ketoacid dehydrogenase complex, which results in elevations of the branched-chain amino acids (BCAAs) in plasma, α-ketoacids in urine, and production of the pathognomonic disease marker, alloisoleucine. The disorder varies in severity and the clinical spectrum is quite broad with five recognized clinical variants that have no known association with genotype. The classic presentation occurs in the neonatal period with developmental delay, failure to thrive, feeding difficulties, and maple syrup odor in the cerumen and urine, and can lead to irreversible neurological complications, including stereotypical movements, metabolic decompensation, and death if left untreated...
2017: Application of Clinical Genetics
https://www.readbyqxmd.com/read/28918730/psychiatry-training-survive-and-thrive
#17
Cherrie A Galletly
No abstract text is available yet for this article.
June 19, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28914984/hypercalcemic-disorders-in-children
#18
REVIEW
Victoria J Stokes, Morten F Nielsen, Fadil M Hannan, Rajesh V Thakker
Hypercalcemia is defined as a serum calcium concentration that is greater than 2 standard deviations above the normal mean, which in children may vary with age and sex, reflecting changes in the normal physiology at each developmental stage. Hypercalcemic disorders in children may present with hypotonia, poor feeding, vomiting, constipation, abdominal pain, lethargy, polyuria, dehydration, failure to thrive and seizures. In severe cases renal failure, pancreatitis and reduced consciousness may also occur and older children and adolescents may present with psychiatric symptoms...
September 15, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28911200/homozygous-eef1a2-mutation-causes-dilated-cardiomyopathy-failure-to-thrive-global-developmental-delay-epilepsy-and-early-death
#19
Siqi Cao, Laura L Smith, Sergio R Padilla-Lopez, Brandon S Guida, Elizabeth Blume, Jiahai Shi, Sarah U Morton, Catherine A Brownstein, Alan H Beggs, Michael C Kruer, Pankaj B Agrawal
Eukaryotic elongation factor 1A (EEF1A), is encoded by two distinct isoforms, EEF1A1 and EEF1A2; whereas EEF1A1 is expressed almost ubiquitously, EEF1A2 expression is limited such that it is only detectable in skeletal muscle, heart, brain and spinal cord. Currently, the role of EEF1A2 in normal cardiac development and function is unclear. There have been several reports linking de novo dominant EEF1A2 mutations to neurological issues in humans. We report a pair of siblings carrying a homozygous missense mutation p...
September 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28904675/von-willebrand-s-disease-case-report-and-review-of-literature
#20
REVIEW
Hanae Echahdi, Brahim El Hasbaoui, Mohamed El Khorassani, Aomar Agadr, Mohamed Khattab
Von Willebrand Disease (VWD) is the most common human inherited bleeding disorder due to a defect of Von Willebrand Factor (VWF), which a glycoprotein crucial for platelet adhesion to the subendothelium after vascular injury. VWD include quantitative defects of VWF, either partial (type 1 with VWF levels < 50 IU/dL) or virtually total (type 3 with undetectable VWF levels) and also qualitative defects of VWF (type 2 variants with discrepant antigenic and functional VWF levels). The most bleeding forms of VWD usually do not concern type 1 patients with the mildest VWF defects (VWF levels between 30 and 50IU/dL)...
2017: Pan African Medical Journal
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