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https://www.readbyqxmd.com/read/29145398/conservation-demands-safe-gene-drive
#1
Kevin M Esvelt, Neil J Gemmell
Interest in developing gene drive systems to control invasive species is growing, with New Zealand reportedly considering the nascent technology as a way to locally eliminate the mammalian pests that threaten its unique flora and fauna. If gene drives successfully eradicated these invasive populations, many would rejoice, but what are the possible consequences? Here, we explore the risk of accidental spread posed by self-propagating gene drive technologies, highlight new gene drive designs that might achieve better outcomes, and explain why we need open and international discussions concerning a technology that could have global ramifications...
November 2017: PLoS Biology
https://www.readbyqxmd.com/read/29145048/development-of-a-microscale-land-use-regression-model-for-predicting-no2-concentrations-at-a-heavy-trafficked-suburban-area-in-auckland-nz
#2
L F Weissert, J A Salmond, G Miskell, M Alavi-Shoshtari, D E Williams
Land use regression (LUR) analysis has become a key method to explain air pollutant concentrations at unmeasured sites at city or country scales, but little is known about the applicability of LUR at microscales. We present a microscale LUR model developed for a heavy trafficked section of road in Auckland, New Zealand. We also test the within-city transferability of LUR models developed at different spatial scales (local scale and city scale). Nitrogen dioxide (NO2) was measured during summer at 40 sites and a LUR model was developed based on standard criteria...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29144212/morphological-and-molecular-characterization-of-two-new-species-of-andracantha-acanthocephala-polymorphidae-from-new-zealand-shags-phalacrocoracidae-and-penguins-spheniscidae-with-a-key-to-the-species
#3
B Presswell, M García-Varela, L R Smales
Two new species of Andracantha (Polymorphidae) are described from the intestine of the shags Leucocarbo chalconotus (Gray) and Phalacrocorax punctatus (Sparrman), and the penguin Eudyptula minor (Forster) from southern South Island, New Zealand. Andracantha leucocarboi n. sp. is distinguished from its congeners by having no genital or ventral trunk spines, but possessing a scattering of small spines between the anterior fields of spines. This is the first record of a species of Andracantha from a penguin. Circumbursal papillae are illustrated in a scanning electron micrograph for the first time in the polymorphids...
November 16, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29143781/biological-properties-of-low-toxic-plga-and-plga-phb-fibrous-nanocomposite-scaffolds-for-osseous-tissue-regeneration-evaluation-of-potential-bioactivity
#4
Boguslawa Żywicka, Izabella Krucińska, Jerzy Garcarek, Maria Szymonowicz, Agnieszka Komisarczyk, Zbigniew Rybak
Abstracts: The aim of the study was to evaluate the biocompatibility and bioactivity of two new prototype implants for bone tissue regeneration made from biodegradable fibrous materials. The first is a newly developed poly(l-lactide-co-glycolide), (PLGA), and the second is a blend of PLGA with synthetic poly([R,S]-3-hydroxybutyrate) (PLGA/PHB). The implant prototypes comprise PLGA or PLGA/PHB nonwoven fabrics with designed pore structures to create the best conditions for cell proliferation. The bioactivity of the proposed implants was enhanced by introducing a hydroxyapatite material and a biologically active agent, namely, growth factor IGF1, encapsulated in calcium alginate microspheres...
October 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29142863/rabbit-submandibular-salivary-gland-replantation
#5
Akram A Almansoori, Namuun Khentii, Wei-Hong Hei, Nari Seo, Sung-Ho Lee, Soung Min Kim, Jong Ho Lee
Objectives: To test the feasibility of submandibular salivary gland (SMG) replantation techniques and the survival of the replanted glands. Such a study can provide a rationale for later allotransplantation procedures, along with implementation of conventional and advanced immunosuppression therapy. Materials and Methods: Six SMG replantations were performed in New Zealand white rabbits. One week postoperatively, (99m)Tc scintigraphy was performed and the uptake ratio and salivary excretion fraction were calculated...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29142571/in-vitro-transcription-analysis-of-ns5a-from-hcv-3a-circulating-in-pakistani-patients-with-chronic-hepatitis-c-and-their-differential-response-to-antiviral-therapy
#6
Shameem Bhatti, Sobia Manzoor, Fahed Parvaiz, Javed Ashraf, Farakh Javed
Objective: Mutations in HCV nonstructural protein 5A (NS5A) play a vital role in virus resistance. The aim of this study was to develop a correlation between NS5A mutations (genotype 3a) and virological response towards interferon alpha (IFN-α) plus ribavirin therapy. Methods: In this study, which was conducted from 09-02-2013 to 25-11-2015 in the rural area of Province Sindh - Pakistan, total patients' responses to peg-IFN therapy were investigated. Patients were given peg-IFN therapy for 24 to 48 weeks and categorized as sustained virologic responders (SVR) or non-responders (NR) to HCV infection...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142145/clinical-course-therapeutic-responses-and-outcomes-in-relapsing-mog-antibody-associated-demyelination
#7
Sudarshini Ramanathan, Shekeeb Mohammad, Esther Tantsis, Tina Kim Nguyen, Vera Merheb, Victor S C Fung, Owen Bruce White, Simon Broadley, Jeannette Lechner-Scott, Steve Vucic, Andrew P D Henderson, Michael Harry Barnett, Stephen W Reddel, Fabienne Brilot, Russell C Dale
OBJECTIVE: We characterised the clinical course, treatment and outcomes in 59 patients with relapsing myelin oligodendrocyte glycoprotein (MOG) antibody-associated demyelination. METHODS: We evaluated clinical phenotypes, annualised relapse rates (ARR) prior and on immunotherapy and Expanded Disability Status Scale (EDSS), in 218 demyelinating episodes from 33 paediatric and 26 adult patients. RESULTS: The most common initial presentation in the cohort was optic neuritis (ON) in 54% (bilateral (BON) 32%, unilateral (UON) 22%), followed by acute disseminated encephalomyelitis (ADEM) (20%), which occurred exclusively in children...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29141674/repair-of-articular-cartilage-and-subchondral-defects-in-rabbit-knee-joints-with-a-polyvinyl-alcohol-nano-hydroxyapatite-polyamide-66-biological-composite-material
#8
Tao Guo, Xiaobin Tian, Bo Li, Tianfu Yang, Yubao Li
BACKGROUND: This study sought to prepare a new PVA/n-HA/PA66 composite to investigate the repair of articular cartilage and subchondral defects in rabbit knee joints. METHODS: A 5 × 5 × 5 mm-sized defect was created in the patellofemoral joints of 72 healthy adult New Zealand rabbits. The rabbits were then randomly divided into three groups (n = 24): PVA/n-HA+PA66 group, polyvinyl alcohol (PVA) group, and control (untreated) group. Cylindrical PVA/n-HA+PA66, 5 × 5 mm, comprised an upper PVA layer and a lower n-HA+PA66 layer...
November 15, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29140970/clinical-impact-of-external-laryngeal-manipulation-during-laryngoscopy-on-tracheal-intubation-success-in-critically-ill-children
#9
Taiki Kojima, Elizabeth K Laverriere, Erin B Owen, Ilana Harwayne-Gidansky, Asha N Shenoi, Natalie Napolitano, Kyle J Rehder, Michelle A Adu-Darko, Sholeen T Nett, Debbie Spear, Keith Meyer, John S Giuliano, Keiko M Tarquinio, Ronald C Sanders, Jan Hau Lee, Dennis W Simon, Paula A Vanderford, Anthony Y Lee, Calvin A Brown, Peter W Skippen, Ryan K Breuer, Iris Toedt-Pingel, Simon J Parsons, Eleanor A Gradidge, Lily B Glater, Kathleen Culver, Simon Li, Lee A Polikoff, Joy D Howell, Gabrielle Nuthall, Gokul K Bysani, Ana L Graciano, Guillaume Emeriaud, Osamu Saito, Alberto Orioles, Karen Walson, Philipp Jung, Awni M Al-Subu, Takanari Ikeyama, Rakshay Shetty, Kathleen M Yoder, Vinay M Nadkarni, Akira Nishisaki
OBJECTIVES: External laryngeal manipulation is a commonly used maneuver to improve visualization of the glottis during tracheal intubation in children. However, the effectiveness to improve tracheal intubation attempt success rate in the nonanesthesia setting is not clear. The study objective was to evaluate the association between external laryngeal manipulation use and initial tracheal intubation attempt success in PICUs. DESIGN: A retrospective observational study using a multicenter emergency airway quality improvement registry...
November 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29140861/sealing-of-corneal-lacerations-using-photoactivated-rose-bengal-dye-and-amniotic-membrane
#10
Timothy A Soeken, Hong Zhu, Sheri DeMartelaere, Brett W Davies, Mirang Kim, Heuy-Ching Wang, James Aden, Rose Grimm, Clemens Alt, Irene E Kochevar, Anthony J Johnson
PURPOSE: Watertight closure of perforating corneoscleral lacerations is necessary to prevent epithelial ingrowth, infection, and potential loss of the eye. Complex lacerations can be difficult to treat, and repair with sutures alone is often inadequate. In this study, we evaluated a potentially sutureless technology for sealing complex corneal and scleral lacerations that bonds the amniotic membrane (AM) to the wound using only green light and rose bengal dye. METHODS: The AM was impregnated with rose bengal and then sealed over lacerations using green light to bond the AM to the deepithelialized corneal surface...
November 14, 2017: Cornea
https://www.readbyqxmd.com/read/29140754/comparing-diversity-of-fungi-from-living-leaves-using-culturing-and-high-throughput-environmental-sequencing
#11
Peter R Johnston, Duckchul Park, Rob D Smissen
High-throughput sequencing technologies using amplicon approaches have changed the way that studies investigating fungal distribution are undertaken. These powerful and time-efficient technologies have the potential for the first time to accurately map fungal distributions across landscapes or changes in diversity across ecological or biological gradients of interest. There is no requirement for a fungus to form a fruiting body to be detected, and both culturable and nonculturable organisms can be detected...
October 6, 2017: Mycologia
https://www.readbyqxmd.com/read/29138988/irreversible-electroporation-of-the-uterine-cervix-in-a-rabbit-model
#12
Wei Chai, Wenlong Zhang, Zhentong Wei, Ying Xu, Jian Shi, Xiaomei Luo, Jianying Zeng, Manhua Cui, Jiannan Li, Lizhi Niu
The aim of this study was to evaluate the effects of irreversible electroporation (IRE) on the uterine cervix in a rabbit model. IRE ablation was performed in the cervices of 48 New Zealand rabbits, with one ablation lesion in each animal. Gross pathology, transmission electron microscopy, hematoxylin and eosin (H&E), Masson's trichrome (MT) stain, and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assays were performed at pre-set time points (0 h, 12 h, 1 d, 2 d, 4 d, 7 d, 14 d, and 28 d post-IRE)...
November 14, 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/29138293/icare-acs-improving-care-processes-for-patients-with-suspected-acute-coronary-syndrome-a-study-of-cross-system-implementation-of-a-national-clinical-pathway
#13
Martin P Than, John W Pickering, Jeremy M Dryden, Sally J Lord, S Andrew Aitken, Sally J Aldous, Kate E Allan, Michael W Ardagh, John W N Bonning, Rosie Callender, Laura R E Chapman, Jonathan P Christiansen, Andre P J Cromhout, Louise Cullen, Joanne M Deely, Gerard P Devlin, Katherine A Ferrier, Christopher M Florkowski, Christopher M A Frampton, Peter M George, Gregory J Hamilton, Allan S Jaffe, Andrew J Kerr, G Luke Larkin, Richard M Makower, Timothy J E Matthews, William A Parsonage, W Frank Peacock, Bradley F Peckler, Nicholaas C van Pelt, Louise Poynton, A Mark Richards, Anthony G Scott, Mark B Simmonds, David Smyth, Oliver P Thomas, Andrew C Y To, Stephen A Du Toit, Richard W Troughton, Kim M Yates
BACKGROUND : Efforts to safely reduce length of stay for emergency department patients with symptoms suggestive of acute coronary syndrome (ACS) have had mixed success. Few system-wide efforts affecting multiple hospital emergency departments have ever been evaluated. We evaluated the effectiveness of a nationwide implementation of clinical pathways for potential ACS in disparate hospitals. METHODS : This was a multicenter pragmatic stepped-wedge before-and-after trial in 7 New Zealand acute care hospitals with 31 332 patients investigated for suspected ACS with serial troponin measurements...
November 14, 2017: Circulation
https://www.readbyqxmd.com/read/29138210/what-happens-after-menopause-wham-protocol-for-a-prospective-multicentre-age-matched-cohort-trial-of-risk-reducing-bilateral-salpingo-oophorectomy-in-high-risk-premenopausal-women
#14
Martha Hickey, Alison Trainer, Sabine Braat, Mary-Ann Davey, Efrosinia Krejany, John Wark
INTRODUCTION: Women at high inherited risk of ovarian cancer are advised to undergo risk-reducing bilateral salpingo-oophorectomy (RRBSO) at age 40-45 years or when their families are complete. Most women are premenopausal at this age, so RRBSO will induce surgical menopause. Despite the clear benefits of RRBSO for cancer risk reduction, much less is known about the impact on non-cancer outcomes that contribute to health and well-being and inform surveillance and management strategies...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29138207/impact-of-improved-insulation-and-heating-on-mortality-risk-of-older-cohort-members-with-prior-cardiovascular-or-respiratory-hospitalisations
#15
Nicholas Preval, Michael Keall, Lucy Telfar-Barnard, Arthur Grimes, Philippa Howden-Chapman
OBJECTIVES: We carried out an evaluation of a large-scale New Zealand retrofit programme using administrative data that provided the statistical power to assess the effect of insulation and/or heating retrofits on cardiovascular and respiratory-related mortality in people aged 65 and over with prior respiratory or circulatory hospitalisations. DESIGN: Quasi-experimental cohort study based on administrative data. SETTING: New Zealand. PARTICIPANTS: From a larger study cohort of over 900 000 people, we selected two subcohorts: 3287 people who were aged 65 and over and had experienced pretreatment period cardiovascular-related hospitalisation (ICD-10 chapter 9), and 1561 people aged 65 and over who had experienced pretreatment respiratory-related hospitalisation (ICD-10 chapter 10)...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29138191/evaluation-of-guidelines-regarding-surgical-treatment-of-breast-cancer-using-the-agree-instrument-a-systematic-review
#16
Xin Lei, Fengtao Liu, Shuying Luo, Ya Sun, Liling Zhu, Fengxi Su, Kai Chen, Shunrong Li
OBJECTIVES: Many clinical practice guidelines and consensus statements (CPGs/consensus statements) have been developed for the surgical treatments for breast cancer. This study aims to evaluate the quality of these CPGs/consensus statements. METHODS: We systematically searched the PubMed and EMBASE databases, as well as four guideline repositories, to identify CPGs and consensus statements regarding surgical treatments for breast cancer between January 2009 and December 2016...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29137874/investigating-antenatal-nutrition-education-preferences-in-south-east-queensland-including-maori-and-pasifika-women
#17
Andrea Cruickshank, Helen E Porteous, Michelle A Palmer
BACKGROUND: Little is reported about the nutrition-related needs and preferences of women seeking maternity services, particularly Maori and Pasifika (M&P) women who have higher chronic disease rates in Queensland. AIM: Nutrition-related knowledge, needs, behaviours and education preferences were compared between women of M&P ancestry and non-Maori and Pasifika women (NMP). METHOD: Women (≥18 years) admitted to the postnatal ward were surveyed...
November 11, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/29136574/are-we-using-the-appropriate-reference-samples-to-develop-juvenile-age-estimation-methods-based-on-bone-size-an-exploration-of-growth-differences-between-average-children-and-those-who-become-victims-of-homicide
#18
Laure Spake, Hugo F V Cardoso
The population on which forensic juvenile skeletal age estimation methods are applied has not been critically considered. Previous research suggests that child victims of homicide tend to be from socioeconomically disadvantaged contexts, and that these contexts impair linear growth. This study investigates whether juvenile skeletal remains examined by forensic anthropologists are short for age compared to their normal healthy peers. Cadaver lengths were obtained from records of autopsies of 1256 individuals, aged birth to eighteen years at death, conducted between 2000 and 2015 in Australia, New Zealand, and the U...
November 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29135950/establishing-smoke-free-homes-in-the-indigenous-populations-of-australia-new-zealand-canada-and-the-united-states-a-systematic-literature-review
#19
REVIEW
Leah Stevenson, Sandy Campbell, India Bohanna, Gillian S Gould, Jan Robertson, Alan R Clough
A smoke-free home can have multiple benefits by reducing exposure to secondhand smoke (SHS), supporting quit attempts among active smokers, and discouraging adolescents from taking up smoking. The aim of this review was to summarize the literature on the establishment of smoke-free homes in Indigenous populations and identify the supporting influences and barriers, using the Social Cognitive Theory lens. A search of the Medline, CINAHL, Cochrane Collaboration and PyscINFO databases and manual searches of relevant peer-reviewed literature was completed, focusing on Indigenous populations in developed economies of North America and Oceania...
November 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29135750/student-and-educator-experiences-of-maternal-child-simulation-based-learning-a-systematic-review-of-qualitative-evidence
#20
Karen MacKinnon, Lenora Marcellus, Julie Rivers, Carol Gordon, Maureen Ryan, Diane Butcher
BACKGROUND: Although maternal-child care is a pillar of primary health care, there is a global shortage of maternal-child health care providers. Nurse educators experience difficulties providing undergraduate students with maternal-child learning experiences for a number of reasons. Simulation has the potential to complement learning in clinical and classroom settings. Although systematic reviews of simulation are available, no systematic reviews of qualitative evidence related to maternal-child simulation-based learning (SBL) for undergraduate nursing students and/or educators have been located...
November 2017: JBI Database of Systematic Reviews and Implementation Reports
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