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Keke Tan, Xiuxiu Wang, Jun Zhang, Zhigang Zhuang, Tieli Dong
Objective: To investigate the possibility and effect of chitosan porous scaffolds combined with bone marrow mesenchymal stem cells (BMSCs) in repair of neurological deficit after traumatic brain injury (TBI) in rats. Methods: BMSCs were isolated, cultured, and passaged by the method of bone marrow adherent culture. The 3rd generation BMSCs were identified by the CD29 and CD45 surface antigens and marked by 5-bromo-2-deoxyuridine (BrdU). The chitosan porous scaffolds were produced by the method of freeze-drying...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
Sloane L English, Jay G Forsythe
RATIONALE: Depsipeptides, or peptides with a mixture of amide and ester linkages, may have evolved into peptides on primordial Earth. Previous studies on depsipeptides utilized electrospray ionization - ion mobility - quadrupole time-of-flight (ESI-IM-QTOF) tandem mass spectrometry; such analysis was thorough yet time-consuming. Here, a complementary matrix-assisted laser desorption/ionization - time-of-flight (MALDI-TOF) approach was optimized for rapid characterization of depsipeptide length and monomer composition...
June 9, 2018: Rapid Communications in Mass Spectrometry: RCM
Adrian Chapman
Contributing to renewed scholarly interest in R. D. Laing and his circle, and in the radical therapeutic community of Kingsley Hall, London (1965-1970), this article offers the first article-length reading of Mary Barnes' and Joseph Berke's Mary Barnes: Two Accounts of a Journey through Madness. This text offers views of anti-psychiatry 'on the ground' that critique the 1960s utopianism of Laing's championing of madness as a metanoic, quasi-psychedelic voyage. Barnes' story, too, reveals tensions within the anti-psychiatric movement...
June 2, 2018: Journal of Medical Humanities
Thoru Pederson
No abstract text is available yet for this article.
June 1, 2018: Molecular Biology of the Cell
Peter Foley, Kenneth Gordon, Christopher E M Griffiths, Yasmine Wasfi, Bruce Randazzo, Michael Song, Shu Li, Yaung-Kaung Shen, Andrew Blauvelt
Importance: Psoriasis of the scalp, palms and/or soles, and nails is challenging to treat. Objective: To evaluate the effect of guselkumab on psoriasis in specific body regions. Design, Setting, and Participants: VOYAGE 1 and VOYAGE 2 were, double-blind, placebo- and adalimumab-controlled studies of guselkumab conducted at 101 and 115 global sites, respectively, from November 3, 2014, to May 19, 2016. Patients had moderate to severe plaque psoriasis (Psoriasis Area and Severity Index score ≥12, Investigator's Global Assessment [IGA] score ≥3, and ≥10% body surface area with psoriasis)...
May 16, 2018: JAMA Dermatology
Dénes Száz, Gábor Horváth
According to a famous hypothesis, Viking sailors could navigate along the latitude between Norway and Greenland by means of sky polarization in cloudy weather using a sun compass and sunstone crystals. Using data measured in earlier atmospheric optical and psychophysical experiments, here we determine the success rate of this sky-polarimetric Viking navigation. Simulating 1000 voyages between Norway and Greenland with varying cloudiness at summer solstice and spring equinox, we revealed the chance with which Viking sailors could reach Greenland under the varying weather conditions of a 3-week-long journey as a function of the navigation periodicity Δ t if they analysed sky polarization with calcite, cordierite or tourmaline sunstones...
April 2018: Royal Society Open Science
Mina K Chung, Arun R Mahankali Sridhar
No abstract text is available yet for this article.
November 2017: JACC. Clinical Electrophysiology
Warren H Capell, Marc P Bonaca, Mark R Nehler, Edmond Chen, John M Kittelson, Sonia S Anand, Scott D Berkowitz, Eike Sebastian Debus, Fabrizio Fanelli, Lloyd Haskell, Manesh R Patel, Rupert Bauersachs, William R Hiatt
BACKGROUND: Patients with peripheral artery disease (PAD) undergoing a lower-extremity revascularization are at heightened risk for ischemic cardiac and limb events. Although intensification of antithrombotic therapy after revascularization has demonstrated benefit in coronary disease populations, this approach has not been well studied or shown consistent benefit in PAD. Recent trial evidence demonstrated that a treatment strategy of rivaroxaban added to background antiplatelet therapy reduced ischemic risk in patients following recent acute coronary syndromes, as well as in patients with stable atherosclerotic vascular disease...
May 2018: American Heart Journal
Curtis N Johnson
No single author presented Darwin with a more difficult question about his priority in discovering natural selection than the British comparative anatomist and paleontologist Richard Owen. Owen was arguably the most influential biologist in Great Britain in Darwin's time. Darwin wanted his approbation for what he believed to be his own theory of natural selection. Unfortunately for Darwin, when Owen first commented in publication about Darwin's theory of descent he was openly hostile (Edinb. Rev. vol. 111, Article VIII, 1860, pp...
May 3, 2018: Journal of the History of Biology
K B Gordon, A W Armstrong, C Han, P Foley, M Song, Y Wasfi, Y You, Y-K Shen, K Reich
BACKGROUND: Anxiety and depression are clinically significant comorbidities associated with psoriasis. Improvements in psoriasis are known to decrease anxiety and depression. Guselkumab, an anti-interleukin-23 monoclonal antibody, has demonstrated efficacy/safety for the treatment of moderate-to-severe psoriasis. OBJECTIVE: Assess improvements in anxiety/depression with guselkumab vs. placebo and adalimumab using the Hospital Anxiety and Depression Scale (HADS)...
April 28, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Björn W Karlson, Stephen J Nicholls, Pia Lundman, Philip J Barter, Michael K Palmer
OBJECTIVE: We used individual patient data from the VOYAGER database to estimate cardiovascular (CV) risk reduction with commonly used high-intensity statins. METHODS: In patients with known atherosclerotic CV disease (ASCVD) treated with high-intensity statin therapy (n = 6,735), the predicted risk reduction was estimated using the Cholesterol Treatment Trialists' Collaboration meta-analysis, which determined risk reduction per 38.7 mg/dL statin-mediated reduction in low-density lipoprotein cholesterol...
April 27, 2018: Cardiology
Stefania Urueña-Palacio, Bruno L Ferreyro, Lucas G Fernández-Otero, Pablo D Calo
Scurvy is a nutritional disease caused by ascorbic acid deficiency and is potentially fatal. It was originally described in the 18th century by James Lind and associated with long sea voyages and insufficient citrus consumption. Its prevalence has declined markedly over the years but has still been described sporadically in certain countries. A 22-year-old woman with an anxiety disorder and anorexia nervosa, recent pregnancy and ongoing breast feeding, presented with a 10-day history of spontaneous haematomas in the lower limbs, gingivorrhagia and fatigue...
March 30, 2018: BMJ Case Reports
Rupert Bauersachs, Faiez Zannad
The pathophysiology of atherosclerosis involves a diseased endothelium, lipid accumulation and low-grade inflammation. In later stages of coronary artery disease (CAD) and peripheral arterial disease (PAD), plaque rupture may induce atherothrombosis caused by fibrin formation and platelet activation, leading to vessel occlusion with subsequent organ damage such as myocardial infarction, stroke or limb ischaemia. Because of the high disease burden associated with CAD and PAD, there is a need for continuous vascular protection beyond currently available treatments including antiplatelet agents...
March 22, 2018: Thrombosis and Haemostasis
Suzanne M de la Monte, Ming Tong, Jack R Wands
The Journal of Alzheimer's Disease (JAD), founded in 1998, played a pivotal role in broadening the field of research on Alzheimer's disease (AD) by publishing a diverse range of clinical, pathological, molecular, biochemical, epidemiological, experimental, and review articles from its birth. This article recounts my own journey as an author who contributed articles to JAD over the 20 years of the journal's existence. In retrospect, it seems remarkable that a considerable body of work that originated from our group marks a trail that began with studies of vascular, stress, and mitochondrial factors in AD pathogenesis, exploded into the concept of 'Type 3 Diabetes', and continued with the characterization of how environmental, exposure, and lifestyle factors promote neurodegeneration and which therapeutic strategies could reverse the neurodegeneration cascade...
2018: Journal of Alzheimer's Disease: JAD
Andrew G Lee, Thomas H Mader, C Robert Gibson, Tyson J Brunstetter, William J Tarver
Interesting novel and somewhat perplexing physiologic and pathologic neuro-ocular findings have been documented in astronauts during and after long duration space flight (LDSF). These findings collectively have been termed the "space flight-associated neuro-ocular syndrome" (SANS). The National Aeronautics and Space Administration (NASA) in the United States has meticulously and prospectively documented the clinical, ultrasound, optical coherence tomography imaging, and radiographic findings of SANS including unilateral and bilateral optic disc edema, globe flattening, choroidal and retinal folds, hyperopic refractive error shifts, and nerve fiber layer infarcts (i...
March 12, 2018: Eye
Nastassia V Patin, Zoe A Pratte, Matthew Regensburger, Eric Hall, Kailen Gilde, Alistair D M Dove, Frank J Stewart
Artificial habitats for animals have high commercial and societal value. Microbial communities (microbiomes) in such habitats may play ecological roles similar to those in nature. However, this hypothesis remains largely untested. Georgia Aquarium's Ocean Voyager (OV) exhibit is a closed-system aquatic habitat that mimics the oligotrophic open ocean and houses thousands of large marine animals, including fish, sea turtles, and whale sharks. We present a 14-month time series characterizing the OV water column microbiome...
May 15, 2018: Applied and Environmental Microbiology
Bradley J Till, Sneha Datta, Joanna Jankowicz-Cieslak
Gene space: the final frontier in plant functional genomics. These are the voyages of TILLING, the reverse-genetics strategy that sought to boldly go where no-one had gone before by combining high-density chemical mutagenesis with high-throughput mutation discovery. Its 18-year mission has been to explore new technologies such as next generation sequencing and to seek out new strategies like in silico databases of catalogued EMS-induced mutations from entire mutant plant populations. This chapter is a clip show highlighting key milestones in the development of TILLING...
March 8, 2018: Advances in Biochemical Engineering/biotechnology
K A Papp, A Blauvelt, A B Kimball, C Han, B Randazzo, Y Wasfi, Y-K Shen, S Li, C E M Griffiths
BACKGROUND: How patients experience the symptoms/signs of psoriasis is highly relevant for assessing treatment response. OBJECTIVES: Compare outcomes with guselkumab, placebo and adalimumab utilizing the novel, validated Psoriasis Symptoms and Signs Diary (PSSD). METHODS: VOYAGE 1 is an ongoing, phase III, double-blinded, controlled trial of patients with moderate-to-severe psoriasis. Patients were randomized to guselkumab 100 mg every 8 weeks; placebo-to-guselkumab 100 mg every 8 weeks; or adalimumab 40 mg every 2 weeks...
March 6, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Paul Tompkins, Matthias Wolff
Previous work has highlighted the critical role of macroalgal productivity and dynamics in supporting and structuring marine food webs. Spatio-temporal variability in macroalgae can alter coastal ecosystems, a relationship particularly visible along upwelling-influenced coastlines. As a result of its equatorial location and nutrient rich, upwelling-influenced waters, the Galápagos Archipelago in the East Pacific, hosts a productive and biodiverse marine ecosystem. Reports and collections of macroalgae date back to the Beagle voyage, and since then, more than three hundred species have been reported...
March 2017: Revista de Biología Tropical
Claire H Davies, Penelope Ajani, Linda Armbrecht, Natalia Atkins, Mark E Baird, Jason Beard, Pru Bonham, Michele Burford, Lesley Clementson, Peter Coad, Christine Crawford, Jocelyn Dela-Cruz, Martina A Doblin, Steven Edgar, Ruth Eriksen, Jason D Everett, Miles Furnas, Daniel P Harrison, Christel Hassler, Natasha Henschke, Xavier Hoenner, Tim Ingleton, Ian Jameson, John Keesing, Sophie C Leterme, M James McLaughlin, Margaret Miller, David Moffatt, Andrew Moss, Sasi Nayar, Nicole L Patten, Renee Patten, Sarah A Pausina, Roger Proctor, Eric Raes, Malcolm Robb, Peter Rothlisberg, Emily A Saeck, Peter Scanes, Iain M Suthers, Kerrie M Swadling, Samantha Talbot, Peter Thompson, Paul G Thomson, Julian Uribe-Palomino, Paul van Ruth, Anya M Waite, Simon Wright, Anthony J Richardson
Chlorophyll a is the most commonly used indicator of phytoplankton biomass in the marine environment. It is relatively simple and cost effective to measure when compared to phytoplankton abundance and is thus routinely included in many surveys. Here we collate 173, 333 records of chlorophyll a collected since 1965 from Australian waters gathered from researchers on regular coastal monitoring surveys and ocean voyages into a single repository. This dataset includes the chlorophyll a values as measured from samples analysed using spectrophotometry, fluorometry and high performance liquid chromatography (HPLC)...
February 20, 2018: Scientific Data
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