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https://www.readbyqxmd.com/read/27915446/superior-dislocation-of-the-patella-a-pathognomonic-finding-and-review-of-literature
#1
P W van Egmond, M C Vermeulen, C F van Dijke, H C A Graat
A 59-year-old woman with a painful right knee that became locked in extension after a trivial trauma was seen at the emergency room. This was caused by unloaded hyperextension in bed. She was diagnosed with a superior dislocation of the patella. A closed reduction was performed, but a recurrent episode was seen within a week. An arthroscopy was performed, in which the causative osteophytes were removed. In the 12-month follow-up after treatment, no recurrence was seen. A superior dislocation of the patella is caused by patellofemoral osteophytes that interlock...
December 3, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27915445/granisetron-extended-release-injection-a-review-in-chemotherapy-induced-nausea-and-vomiting
#2
Emma D Deeks
An extended-release (ER) subcutaneously injectable formulation of the first-generation 5-HT3 receptor antagonist granisetron is now available in the USA (Sustol(®)), where it is indicated for the prevention of acute and delayed chemotherapy-induced nausea and vomiting (CINV) following moderately emetogenic chemotherapy (MEC) or anthracycline and cyclophosphamide combination chemotherapy regimens in adults. Granisetron ER is administered as a single subcutaneous injection and uses an erosion-controlled drug-delivery system to allow prolonged granisetron release...
December 3, 2016: Drugs
https://www.readbyqxmd.com/read/27915437/selective-reliable-blood-and-milk-bio-markers-for-diagnosing-clinical-and-subclinical-bovine-mastitis
#3
Kadry Sadek, Ebeed Saleh, Mousa Ayoub
Mastitis is positioned as the most vital ailment in dairy cows in light of conventional cost examinations. The aim of the present study was to evaluate the diagnostic value of different acute phase proteins (APPs), pro-inflammatory cytokines, and oxidative stress biomarkers in healthy cows and in those with clinical or subclinical mastitis and to localize APP gene expression in the milk of mastitic cows. Therefore, 20 subclinical mastitic cows with positive California Mastitis Test (CMT) results and no clinical signs of mastitis, 15 clinically mastitic cows, and 15 healthy cows with negative CMT results and somatic cell count (SCC) of <600,000 cells/mL were selected...
December 3, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27915371/histone-deacetylase-inhibitors-deplete-myeloid-derived-suppressor-cells-induced-by-4t1-mammary-tumors-in-vivo-and-in-vitro
#4
Hai-Fang Wang, Fen Ning, Zong-Cai Liu, Long Wu, Zi-Qian Li, Yi-Fei Qi, Ge Zhang, Hong-Sheng Wang, Shao-Hui Cai, Jun Du
Myeloid-derived suppressor cells (MDSC) have been identified as a population of immature myeloid cells that suppress anti-tumor immunity. MDSC are increased in tumor-bearing hosts; thus, depletion of MDSC may enhance anti-tumor immunity. Histone deacetylase inhibitors (HDACi) are chemical agents that are primarily used against hematologic malignancies. The ability of these agents to modulate anticancer immunity has recently been extensively studied. However, the effect of HDACi on MDSC has remained largely unexplored...
December 3, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27915327/posterior-retinal-hemorrhages-during-retcam-examination-for-retinopathy-of-prematurity
#5
Parijat Chandra, Rajvardhan Azad
BACKGROUND: Retcam-assisted retinopathy of prematurity (ROP) screening is a commonly used safe examination procedure. CASE CHARACTERISTICS: A preterm baby born at 32 weeks gestation age developed extensive posterior retinal hemorrhages during retinal imaging using the RetCam. OUTCOME: Retinal hemorrhages spontaneously resolved. MESSAGE: As tele screening is becomes more popular, proper training for Retcam usage is essential...
November 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27915293/molecular-mechanism-of-divalent-metal-induced-activation-of-ns3-helicase-and-insights-into-zika-virus-inhibitor-design
#6
Xiaocong Cao, Yajuan Li, Xiangyu Jin, Yuelong Li, Feng Guo, Tengchuan Jin
Zika virus has attracted increasing attention because of its potential for causing human neural disorders, including microcephaly in infants and Guillain-Barré syndrome. Its NS3 helicase domain plays critical roles in NTP-dependent RNA unwinding and translocation during viral replication. Our structural analysis revealed a pre-activation state of NS3 helicase in complex with GTPγS, in which the triphosphate adopts a compact conformation in the absence of any divalent metal ions. In contrast, in the presence of a divalent cation, GTPγS adopts an extended conformation, and the Walker A motif undergoes substantial conformational changes...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27915291/the-landscape-of-microbial-phenotypic-traits-and-associated-genes
#7
Maria Brbić, Matija Piškorec, Vedrana Vidulin, Anita Kriško, Tomislav Šmuc, Fran Supek
Bacteria and Archaea display a variety of phenotypic traits and can adapt to diverse ecological niches. However, systematic annotation of prokaryotic phenotypes is lacking. We have therefore developed ProTraits, a resource containing ∼545 000 novel phenotype inferences, spanning 424 traits assigned to 3046 bacterial and archaeal species. These annotations were assigned by a computational pipeline that associates microbes with phenotypes by text-mining the scientific literature and the broader World Wide Web, while also being able to define novel concepts from unstructured text...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27915265/the-ethics-of-unilateral-implantable-cardioverter-defibrillators-and-cardiac-resynchronization-therapy-with-defibrillator-deactivation-patient-perspectives
#8
Margaret Daeschler, Ralph J Verdino, James N Kirkpatrick
AIMS: Decisions about deactivation of implantable cardioverter defibrillators (ICDs) are complicated. Unilateral do-not-resuscitate (DNR) orders (against patient/family wishes) have been ethically justified in cases of medical futility. Unilateral deactivation of ICDs may be seen as a logical extension of a unilateral DNR order. However, the ethical implications of unilateral ICD deactivation have not been explored. METHODS AND RESULTS: Sixty patients who had an ICD or cardiac resynchronization therapy with defibrillator (CRT-D) were interviewed at a quaternary medical centre outpatient electrophysiology practice...
December 2, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27915237/placental-morphology-in-fetal-alcohol-spectrum-disorders
#9
Marlene Tai, Anna Piskorski, Jennifer C W Kao, Lynn A Hess, Suzanne M de la Monte, Füsun Gündoğan
AIMS: Maternal alcohol drinking adversely affects pregnancy outcome. Although fetal health and development are highly dependent upon the integrity of placentation, little is known about placental morphology following gestational exposure to alcohol in humans. METHODS: In this clinical study, subjects were recruited between 2010 and 2013 from an outpatient substance abuse and mental health treatment center for women. Data collected included maternal age, substance abuse history, comorbidities, pregnancy outcomes, gestational age at delivery, birth weight and placental weight...
December 3, 2016: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/27915210/functional-brain-imaging-of-walking-while-talking-an-fnirs-study
#10
Florian G Metzger, Ann-Christine Ehlis, Florian B Haeussinger, Patrick Schneeweiss, Justin Hudak, Andreas J Fallgatter, Sabrina Schneider
Since functional imaging of whole body movements is not feasible with functional magnetic resonance imaging (fMRI), the present study presents in vivo functional near-infrared spectroscopy (fNIRS) as a suitable technique to measure body movement effects on fronto-temporo-parietal cortical activation in single and dual task paradigms. Previous fNIRS applications in studies addressing whole body movements were typically limited to the assessment of prefrontal brain areas. The current study investigated brain activation in the frontal, temporal and parietal cortex of both hemispheres using functional near-infrared spectroscopy (fNIRS) with two large 4 x 4 probe-sets with 24 channels each during single and dual gait tasks...
November 30, 2016: Neuroscience
https://www.readbyqxmd.com/read/27915193/metabolic-fate-and-detectability-of-the-new-psychoactive-substances-2-4-bromo-2-5-dimethoxyphenyl-n-2-methoxyphenyl-methyl-ethanamine-25b-nbome-and-2-4-chloro-2-5-dimethoxyphenyl-n-2-methoxyphenyl-methyl-ethanamine-25c-nbome-in-human-and-rat-urine-by-gc-ms
#11
Achim T Caspar, Simon D Brandt, Andreas E Stoever, Markus R Meyer, Hans H Maurer
25B-NBOMe and 25C-NBOMe are potent 5-HT2A receptor agonists that have been associated with inducing hallucinogenic effects in drug users and severe intoxications. This paper describes the identification of their metabolites in rat and human urine by liquid chromatography (LC)-high resolution (HR)-MS/MS, the comparison of metabolite formation in vitro and in vivo and in different species, the general involvement of human cytochrome-P450 (CYP) isoenzymes on their metabolism steps, and their detectability by standard urine screening approaches (SUSAs) using GC-MS, LC-MS(n), or LC-HR-MS/MS...
November 27, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27915181/bioenergy-and-biodiversity-intensified-biomass-extraction-from-hedges-impairs-habitat-conditions-for-birds
#12
Ralf Sauerbrei, Birgit Aue, Christian Krippes, Eva Diehl, Volkmar Wolters
Biomass is increasingly used as an alternative source for energy in Europe. Woody material cut from hedges is considered to provide a suitable complement to maize and oilseed rape, which are currently the dominant biomass sources. Since shrubs and trees are also important habitats for birds, however, coppicing of hedges at the landscape scale may adversely affect the diversity of the avifauna. To evaluate this risk, we estimated the response of hedge birds to three management scenarios differing in cutting intensity and hedge selection...
December 1, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27915153/room-temperature-structure-of-human-igg4-fc-from-crystals-analysed-in-situ
#13
Anna M Davies, Theo Rispens, Pleuni Ooijevaar-de Heer, Rob C Aalberse, Brian J Sutton
The Fc region of IgG antibodies (Cγ2 and Cγ3 domains) is responsible for effector functions such as antibody-dependent cell-mediated cytotoxicity and phagocytosis, through engagement with Fcγ receptors, although the ability to elicit these functions differs between the four human IgG subclasses. A key determinant of Fcγ receptor interactions is the FG loop in the Cγ2 domain. High resolution cryogenic IgG4-Fc crystal structures have revealed a unique conformation for this loop, which could contribute to the particular biological properties of this subclass...
December 1, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27915152/goal-equivalent-manifold-analysis-of-task-performance-in-non-specific-lbp-and-healthy-subjects-during-repetitive-trunk-movement-effect-of-load-velocity-symmetry
#14
Mahshid Chehrehrazi, Mohammad Ali Sanjari, Hamid Reza Mokhtarinia, Ali Ashraf Jamshidi, Nader Maroufi, Mohamad Parnianpour
Motor abundance allows reliability of motor performance despite its variability. The nature of this variability provides important information on the flexibility of control strategies. This feature of control may be affected by low back pain (LPB) and trunk flexion/extension conditions. Goal equivalent manifold (GEM) analysis was used to quantify the ability to exploit motor abundance during repeated trunk flexion/extension in healthy individuals and people with chronic non-specific LBP (CNSLBP). Kinematic data were collected from 22 healthy volunteers and 22 CNSLBP patients during metronomically timed, repeated trunk flexion/extension in three conditions of symmetry, velocity, and loading; each at two levels...
December 1, 2016: Human Movement Science
https://www.readbyqxmd.com/read/27915062/rosette-forming-glioneuronal-tumor-originating-from-the-spinal-cord-report-of-two-cases-and-literature-review
#15
Lian Duan, Yunkun Zhang, Weilun Fu, Sumin Geng
Rosette-forming glioneuronal tumor (RGNT) is a recently recognized and rarely encountered tumor occurring in the fourth ventricle. Histologically, it is composed by two distinct features: a glial component, resembling pilocytic astrocytoma, and a neurocytic component forming neurocytic rosettes and/or perivascular rosettes. The authors describe two extremely rare cases of RGNT arising from the spinal cord, which were misdiagnosed as ependymoma and astrocytoma preoperatively. Symptoms included dissociated sensory disturbance, episodic pain and fatigue, as well as motor disturbance, had been presented for two years and two months, respectively...
November 30, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27915048/protective-effects-of-green-tea-and-its-main-constituents-against-natural-and-chemical-toxins-a-comprehensive-review
#16
REVIEW
Maryam Rameshrad, Bibi Marjan Razavi, Hossein Hosseinzadeh
Toxins are natural or chemical poisonous substances with severe side effects on health. Humans are generally exposed by widespread toxic contaminations via air, soil, water, food, fruits and vegetables. Determining a critical antidote agent with extensive effects on different toxins is an ultimate goal for all toxicologists. Traditional medicine is currently perceived as a safe and natural approach against toxins. In this regard, we focused on the protective effects of green tea (Camellia sinensis) and its main components such as catechin, epicatechin, epicatechin gallate, gallocatechin, epigallocatechin and epigallocatechin gallate as a principal source of antioxidants against both natural and chemical toxins...
November 30, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27915022/concentration-dependent-survival-and-neural-differentiation-of-murine-embryonic-stem-cells-cultured-on-polyethylene-glycol-dimethacrylate-hydrogels-possessing-a-continuous-concentration-gradient-of-n-cadherin-derived-peptide-his-ala-val-asp-lle
#17
Hyun Ju Lim, Matthew C Mosley, Yuki Kurosu, Laura A Smith Callahan
: N-cadherin cell-cell signaling plays a key role in the structure and function of the nervous system. However, few studies have incorporated bioactive signaling from n-cadherin into tissue engineering matrices. The present study uses a continuous gradient approach in polyethylene glycol dimethacrylate hydrogels to identify concentration dependent effects of n-cadherin peptide, His-Ala-Val-Asp-Lle (HAVDI), on murine embryonic stem cell survival and neural differentiation. The n-cadherin peptide was found to affect the expression of pluripotency marker, alkaline phosphatase, in murine embryonic stem cells cultured on n-cadherin peptide containing hydrogels in a concentration dependent manner...
November 30, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27915017/fundamental-insight-into-the-effect-of-carbodiimide-crosslinking-on-cellular-recognition-of-collagen-based-scaffolds
#18
Daniel V Bax, Natalia Davidenko, Donald Gullberg, Samir W Hamaia, Richard W Farndale, Serena M Best, Ruth E Cameron
Research on the development of collagen constructs is extremely important in the field of tissue engineering. Collagen scaffolds for numerous tissue engineering applications are frequently crosslinked with 1-ethyl-3-(3-dimethylaminopropyl-carbodiimide hydrochloride (EDC) in the presence of N-hydroxy-succinimide (NHS). Despite producing scaffolds with good biocompatibility and low cellular toxicity the influence of EDC/NHS crosslinking on the cell interactive properties of collagen has been overlooked. Here we have extensively studied the interaction of model cell lines with collagen I-based materials after crosslinking with different ratios of EDC in relation to the number of carboxylic acid residues on collagen...
November 30, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27914948/triazolopyridine-ethers-as-potent-orally-active-mglu2-positive-allosteric-modulators-for-treating-schizophrenia
#19
Mendi A Higgins, Lawrence R Marcin, F Christopher Zusi, Robert Gentles, Min Ding, Bradley C Pearce, Amy Easton, Walter A Kostich, Matthew A Seager, Clotilde Bourin, Linda J Bristow, Kim A Johnson, Regina Miller, John Hogan, Valerie Whiterock, Michael Gulianello, Meredith Ferrante, Yanling Huang, Adam Hendricson, Andrew Alt, John E Macor, Joanne J Bronson
Triazolopyridine ethers with mGlu2 positive allosteric modulator (PAM) activity are disclosed. The synthesis, in vitro activity, and metabolic stability data for a series of analogs is provided. The effort resulted in the discovery of a potent, selective, and brain penetrant lead molecule BMT-133218 ((+)-7m). After oral administration at 10mg/kg, BMT-133218 demonstrated full reversal of PCP-stimulated locomotor activity and prevented MK-801-induced working memory deficits in separate mouse models. Also, reversal of impairments in executive function were observed in rat set-shifting studies at 3 and 10mg/kg (p...
November 14, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27914890/biomass-and-oil-production-by-chlorella-vulgaris-and-four-other-microalgae-effects-of-salinity-and-other-factors
#20
Tiyaporn Luangpipat, Yusuf Chisti
Five nominally freshwater microalgae (Chlorella vulgaris, Choricystis minor, Neochloris sp., Pseudococcomyxa simplex, Scenedesmus sp.) with a known ability to produce high-levels of lipids for possible use as fuel oils were evaluated for their ability to thrive and produce lipids in seawater and brackish water. Only C. vulgaris was found to thrive and produce lipids in full strength seawater. Seawater tolerant strains of C. vulgaris are unusual. Lipid productivity in nutrient sufficient seawater exceeded 37mgL(-1)d(-1) and was nearly 2-fold greater than in freshwater...
November 30, 2016: Journal of Biotechnology
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