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https://www.readbyqxmd.com/read/28922899/the-current-status-of-the-distribution-range-of-the-western-pine-beetle-dendroctonus-brevicomis-curculionidae-solytinae-in-northern-mexico
#1
O Valerio-Mendoza, F Armendáriz-Toledano, G Cuéllar-Rodríguez, José F Negrón, G Zúñiga
The distribution range of the western pine beetle Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae) is supported only by scattered records in the northern parts of Mexico, suggesting that its populations may be marginal and rare in this region. In this study, we review the geographical distribution of D. brevicomis in northern Mexico and perform a geometric morphometric analysis of seminal rod shape to evaluate its reliability for identifying this species with respect to other members of the Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae) complex...
September 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28922886/intracranial-bypass-of-posterior-inferior-cerebellar-artery-aneurysms-indications-technical-aspects-and-clinical-outcomes
#2
David J Bonda, Mohamad Labib, Jeffrey M Katz, Rafael A Ortiz, David Chalif, Avi Setton, David J Langer, Amir R Dehdashti
BACKGROUND: For some posterior inferior cerebellar artery (PICA) aneurysms, there is no constructive endovascular or direct surgical clipping option. Intracranial bypass is an alternative to a deconstructive technique. OBJECTIVE: To evaluate the clinical features, surgical techniques, and outcome of PICA aneurysms treated with bypass and obliteration of the diseased segment. METHODS: Retrospective review of PICA aneurysms treated via intracranial bypass was performed...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922885/patient-selection-and-clinical-efficacy-of-urgent-superficial-temporal-artery-middle-cerebral-artery-bypass-in-acute-ischemic-stroke-using-advanced-magnetic-resonance-imaging-techniques
#3
Hyun-Seok Park, Sang-Hyeon Kim, Hyun-Wook Nah, Jae-Hyung Choi, Dae-Hyun Kim, Myong-Jin Kang, Jae-Kwan Cha, Jae-Taeck Huh
BACKGROUND: Selected patients with acute ischemic stroke might benefit from superficial temporal artery-middle cerebral artery (STA-MCA) bypass, but the indications for urgent STA-MCA bypass are unknown. OBJECTIVE: To report our experiences of urgent STA-MCA bypass in patients requiring urgent reperfusion who were ineligible for other reperfusion therapies, using advanced magnetic resonance imaging (MRI) techniques. METHODS: The inclusion criteria for urgent STA-MCA bypass were as follows: acute infarct volume <70 mL with a ratio of perfusion/diffusion lesion volume ≥1...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922884/a-single-institution-experience-with-pineal-region-tumors-50-tumors-over-1-decade
#4
Isaac Josh Abecassis, Brian Hanak, Jason Barber, Martin Mortazavi, Richard G Ellenbogen
BACKGROUND: Pineal region tumors are rare intracranial tumors that are more common in children than adults. Surgical management of tumors in this region using a tailored approach is a strategy that enhances extent of resection and neurological outcome. OBJECTIVE: To review our institutional experience with pineal region tumors in children and adults over the past 10 years. METHODS: Our institutional pathology database and patient records were retrospectively reviewed for details regarding clinical and radiological presentation, surgical management, extent of resection, morbidity, and neurological outcome...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922882/microsurgical-anatomy-of-the-interfascial-vein-its-significance-in-the-interfascial-dissection-of-the-pterional-approach
#5
Alvaro Campero, Pablo Ajler, Martín Paíz, Ramiro López Elizalde
BACKGROUND: The pterional approach (PA), together with its variants, is still one of the most common methods used by surgeons to reach the anterior and middle cranial base. A highly important technical detail during a PA is the preservation of the frontotemporal branch of the facial nerve, which can be achieved through an interfascial dissection. OBJECTIVE: To describe the anatomy of the interfascial vein (IFV), highlighting its recognition as a significant anatomic reference to perform an interfascial dissection (IFD)...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922881/intraoperative-flow-800-analysis-for-intramedullary-cystic-lesion-a-technical-case-report
#6
Masahiro Sawada, Toshihiro Munemitsu, Masato Hojo
BACKGROUND AND IMPORTANCE: During intramedullary lesion surgery, the lesion site and the posterior median sulcus (PMS) should be accurately identified prior to myelotomy to avoid severe injury of the posterior funiculus. However, intramedullary lesions are fundamentally invisible until the myelotomy is performed. Furthermore, the PMS location is frequently unclear due to lesion-induced swelling or distortion of the spinal cord. Intraoperative indocyanine green videoangiography (ICG-VA) followed by FLOW 800 analysis, which shows vascularization of the spinal parenchyma, may provide a solution for these problems in specific cases...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#7
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922848/aggressive-behavior-in-silent-subtype-iii-pituitary-adenomas-may-depend-on-suppression-of-local-immune-response-a-whole-transcriptome-analysis
#8
Timothy E Richardson, Zhong-Jian Shen, Mohammed Kanchwala, Chao Xing, Alexander Filatenkov, Ping Shang, Samuel Barnett, Zahidur Abedin, James S Malter, Jack M Raisanen, Dennis K Burns, Charles L White, Kimmo J Hatanpaa
Silent subtype III pituitary adenomas (SS-3) are clinically nonfunctional adenomas that are more aggressive in terms of invasion and risk of recurrence than their conventional null cell counterparts. We previously showed that these tumors can be distinguished by immunohistochemistry based on the identification of a markedly enlarged and fragmented Golgi apparatus. To understand the molecular correlates of differential aggressiveness, we performed whole transcriptome sequencing (RNAseq) on 4 SS-3 and 4 conventional null cell adenomas...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922847/germline-msh6-mutation-in-a-patient-with-two-independent-primary-glioblastomas
#9
Linda M Forsström, Koichiro Sumi, Markus J Mäkinen, Ji Eun Oh, Riitta Herva, Paul Kleihues, Hiroko Ohgaki, Lauri A Aaltonen
We previously reported a patient who had developed 2 glioblastomas at the age of 54 and 64 years, respectively. The first glioblastoma in the right frontal lobe was treated with surgery and radiotherapy. Ten years later, the patient developed a second, left frontal glioblastoma. Discordant patterns of TP53 and PTEN mutations suggested that the second tumor was not a recurrence but an independently developed glioblastoma. To determine the molecular mechanism underlying this enigmatic case with 10-year survival, we performed whole-exome sequencing...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922841/interactive-problem-solving-sessions-in-an-introductory-bioscience-course-engaged-students-and-gave-them-feedback-but-did-not-increase-their-exam-scores
#10
James P McEvoy
Active learning, including the promotion of student interactivity in lectures, has been found to improve student engagement and performance in university science classes. This letter describes the use of Pearson's Learning Catalytics to run regular, formatively assessed problem-solving sessions as part of the semiflipped redesign of an introductory level university bioscience course. Students found the problem-solving sessions more engaging than a traditional lecture, and felt that they were receiving better feedback on their progress in the course...
October 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28922839/first-description-of-a-new-uncultured-epsilon-sulfur-bacterium-colonizing-marine-mangrove-sediment-in-the-caribbean-thiovulum-sp-strain-karukerense
#11
Olivier Gros
Here, the first description is reported of an epsilon sulfur-oxidizing bacterium from sulfide-rich sediments of marine mangrove in the Caribbean. By transition electron microscopy it was shown that this new strain contains intracytoplasmic large internal sulfur granules, which was confirmed by energy-dispersive X-ray spectroscopy analyses performed using an environmental scanning electron microscope. The sulfur distribution obtained for this sulfur-oxidizing bacterial strain allowed us to conclude that elemental sulfur is formed as an intermediate oxidation product and stored intracellularly...
October 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28922830/connectivity-neurofeedback-training-can-differentially-change-functional-connectivity-and-cognitive-performance
#12
Ayumu Yamashita, Shunsuke Hayasaka, Mitsuo Kawato, Hiroshi Imamizu
Advances in functional magnetic resonance imaging have made it possible to provide real-time feedback on brain activity. Neurofeedback has been applied to therapeutic interventions for psychiatric disorders. Since many studies have shown that most psychiatric disorders exhibit abnormal brain networks, a novel experimental paradigm named connectivity neurofeedback, which can directly modulate a brain network, has emerged as a promising approach to treat psychiatric disorders. Here, we investigated the hypothesis that connectivity neurofeedback can induce the aimed direction of change in functional connectivity, and the differential change in cognitive performance according to the direction of change in connectivity...
October 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922823/de-novo-genome-assembly-of-camptotheca-acuminata-a-natural-source-of-the-anti-cancer-compound-camptothecin
#13
Dongyan Zhao, John P Hamilton, Gina M Pham, Emily Crisovan, Krystle Wiegert-Rininger, Brieanne Vaillancourt, Dean DellaPenna, C Robin Buell
Camptotheca acuminata is 1 of a limited number of species that produce camptothecin, a pentacyclic quinoline alkaloid with anti-cancer activity due to its ability to inhibit DNA topoisomerase. While transcriptome studies have been performed previously with various camptothecin-producing species, no genome sequence for a camptothecin-producing species is available to date. We generated a high-quality de novo genome assembly for C. acuminata representing 403 174 860 bp on 1394 scaffolds with an N50 scaffold size of 1752 kbp...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28922815/duncan-tanner-essay-prize-2016-historical-pageants-citizenship-and-the-performance-of-women-s-history-before-second-wave-feminism
#14
Zoë Thomas
This article argues that the early twentieth-century craze for historical pageants provided an opportunity for women's groups to bring a nascent, accessible form of women's history into the lives of local communities across Britain. Mainstream historical pageants were organized across the country, depicting selected episodes from the past usually relating to the local area. However, more than 200 inter-war pageants staged by women's organizations, church groups, and a number of university colleges have not yet been studied...
September 1, 2017: 20 Century British History
https://www.readbyqxmd.com/read/28922813/meta-analyses-and-the-evidence-base-for-microbial-outcomes-in-the-treatment-of-pulmonary-mycobacterium-avium-intracellulare-complex-disease
#15
Jotam G Pasipanodya, Deborah Ogbonna, Devyani Deshpande, Shashikant Srivastava, Tawanda Gumbo
Objectives: To perform a systematic review and meta-analysis of the level of funding support and the sputum culture conversion rates in pulmonary Mycobacterium avium-intracellulare complex (P-MAC) disease in adult patients without cystic fibrosis or HIV infection, treated with recommended antibiotic regimens. Methods: We performed a literature search to identify clinical trials, prospective studies and registries that reported outcomes in P-MAC patients. Studies that reported P-MAC diagnosis and treatments based on established guidelines met the inclusion criteria and were examined for bias and quality...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922811/a-programme-to-create-short-course-chemotherapy-for-pulmonary-mycobacterium-avium-disease-based-on-pharmacokinetics-pharmacodynamics-and-mathematical-forecasting
#16
Devyani Deshpande, Shashikant Srivastava, Tawanda Gumbo
Objectives: Pulmonary Mycobacterium avium complex (MAC) prevalence is on the rise worldwide. The average therapy duration is 1.5 years, which is associated with poor cure rates. Our objective was to develop a programme to design a combination therapy regimen for pulmonary MAC to be administered for 6 months or less with efficacy in > 90% of patients. Methods: We performed a literature search for the following MeSH headings 'Mycobacterium avium' AND 'pharmacokinetics/pharmacodynamics' in PubMed up to 2016...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922808/the-discovery-of-ceftazidime-avibactam-as-an-anti-mycobacterium-avium-agent
#17
Devyani Deshpande, Shashikant Srivastava, Moti L Chapagain, Pooi S Lee, Kayle N Cirrincione, Jotam G Pasipanodya, Tawanda Gumbo
Objectives: To determine if ceftaroline and ceftazidime combined with avibactam are efficacious against pulmonary Mycobacterium avium complex (MAC) disease. Methods: First, we performed a concentration-effect study of ceftaroline and ceftaroline/avibactam against extracellular MAC in test tubes. Given the difficulty of obtaining avibactam at the time of experimentation, we used a single concentration of commercial ceftazidime/avibactam, and two sets of non-treated controls, one with ceftazidime/avibactam and the other without...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922807/tedizolid-is-highly-bactericidal-in-the-treatment-of-pulmonary-mycobacterium-avium-complex-disease
#18
Devyani Deshpande, Shashikant Srivastava, Jotam G Pasipanodya, Pooi S Lee, Tawanda Gumbo
Objectives: To determine if tedizolid is effective for pulmonary Mycobacterium avium complex (MAC) disease, and to use pharmacokinetics/pharmacodynamics to design optimal doses. Methods: We performed an exposure-response experiment in the hollow-fibre system model of intracellular MAC (HFS-MAC). We mimicked the tedizolid concentration-time profiles achieved in the lungs of patients treated once daily for 28 days. The HFS-MAC was sampled at intervals to determine the tedizolid pharmacokinetics and MAC intracellular burden...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922806/linezolid-as-treatment-for-pulmonary-mycobacterium-avium-disease
#19
Devyani Deshpande, Shashikant Srivastava, Jotam G Pasipanodya, Tawanda Gumbo
Objectives: To identify the pharmacokinetic/pharmacodynamic parameters and exposures of linezolid in the treatment of pulmonary Mycobacterium avium complex (MAC) disease. Methods: Human-derived monocytes infected with MAC were inoculated into hollow-fibre systems for dose-effect and dose-scheduling studies. We mimicked linezolid concentration-time profiles achieved in adult human lungs treated for 28 days. Sampling to confirm that the intended linezolid pharmacokinetics had been achieved, and for enumeration of MAC colony-forming units, was performed based on repetitive sampling from each system over the 28 days...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922805/failure-of-the-azithromycin-and-ethambutol-combination-regimen-in-the-hollow-fibre-system-model-of-pulmonary-mycobacterium-avium-infection-is-due-to-acquired-resistance
#20
Shashikant Srivastava, Devyani Deshpande, Tawanda Gumbo
Objectives: To investigate the performance of the two backbone drugs in the standard combination therapy regimen in the hollow-fibre system (HFS) model of pulmonary Mycobacterium avium complex (MAC) infection. Methods: Six HFS were inoculated with human-derived monocytes infected with MAC, and treated with 15 mg/kg of ethambutol and 500 mg of azithromycin daily for 28 days to recapitulate the concentration-time profiles seen in the lungs of humans treated with these drugs and doses...
September 1, 2017: Journal of Antimicrobial Chemotherapy
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