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https://www.readbyqxmd.com/read/28542897/osteoarthritis-in-two-marine-mammals-and-22-land-mammals-learning-from-skeletal-remains
#1
Korakot Nganvongpanit, Ratsadakorn Soponteerakul, Piyatida Kaewkumpai, Veerasak Punyapornwithaya, Kittisak Buddhachat, Raksiri Nomsiri, Patcharaporn Kaewmong, Kongkiat Kittiwatanawong, Rachanchai Chawangwongsanukun, Taweepoke Angkawanish, Chatchote Thitaram, Pasuk Mahakkanukrauh
The occurrence of osteoarthritis (OA) in marine mammals is still questionable. Here we investigated the prevalence of OA in marine (dolphin and dugong) and terrestrial mammals (Asian elephant, Asiatic buffalo, camel, cat, cattle, deer, dog, domestic goat, horse, human, hyena, impala, lion, Malayan tapir, Assam macaque, mule, pig, rabbit, red kangaroo, sheep, tiger and waterbuck). Skeletal remains obtained from five institutes were used as subjects; a total of 45 different parts (locations) of bones were observed for OA lesions...
May 23, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28532793/streptococcus-agalactiae-in-elephants-a-comparative-study-with-isolates-from-human-and-zoo-animal-and-livestock-origin
#2
Tobias Eisenberg, Jörg Rau, Uta Westerhüs, Tobias Knauf-Witzens, Ahmad Fawzy, Karen Schlez, Michael Zschöck, Ellen Prenger-Berninghoff, Carsten Heydel, Reinhard Sting, Stefanie P Glaeser, Dipen Pulami, Mark van der Linden, Christa Ewers
Streptococcus (S.) agalactiae represents a significant pathogen for humans and animals. However, there are only a few elderly reports on S. agalactiae infections in wild and zoo elephants even though this pathogen has been isolated comparatively frequently in these endangered animal species. Consequently, between 2004 and 2015, we collected S. agalactiae isolates from African and Asian elephants (n=23) living in four different zoos in Germany. These isolates were characterised and compared with isolates from other animal species (n=20 isolates) and humans (n=3)...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28528907/widespread-biological-response-to-rapid-warming-on-the-antarctic-peninsula
#3
Matthew J Amesbury, Thomas P Roland, Jessica Royles, Dominic A Hodgson, Peter Convey, Howard Griffiths, Dan J Charman
Recent climate change on the Antarctic Peninsula is well documented [1-5], with warming, alongside increases in precipitation, wind strength, and melt season length [1, 6, 7], driving environmental change [8, 9]. However, meteorological records mostly began in the 1950s, and paleoenvironmental datasets that provide a longer-term context to recent climate change are limited in number and often from single sites [7] and/or discontinuous in time [10, 11]. Here we use moss bank cores from a 600-km transect from Green Island (65...
May 17, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28528045/endovascular-fenestration-for-distal-aortic-sealing-after-frozen-elephant-trunk-with-thoraflex
#4
Randolph H L Wong, Peter S Y Yu, Micky W T Kwok, Simon C Y Chow, Jacky Y K Ho, Malcolm J Underwood, Simon C H Yu
We describe a case of total arch replacement with frozen elephant trunk for chronic type B aortic dissecting aneurysm, which resulted in inadvertent landing of the frozen elephant trunk into the false lumen. A radiofrequency puncture system-assisted controlled endovascular fenestration of the dissection flap was performed at the upper abdominal aorta and subsequent thoracic endovascular stenting, successfully redirecting the blood flow from the false to the true lumen. Our case illustrated a possible way to seal distal reentry in chronic type B aortic dissection...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28525651/selecting-elephant-grass-families-and-progenies-to-produce-bioenergy-through-mixed-models-reml-blup
#5
E V Rodrigues, R F Daher, A Dos Santos, M Vivas, J C Machado, G do A Gravina, Y P de Souza, A K Vidal, A Dos S Rocha, R S Freitas
Brazil has great potential to produce bioenergy since it is located in a tropical region that receives high incidence of solar energy and presents favorable climatic conditions for such purpose. However, the use of bioenergy in the country is below its productivity potential. The aim of the current study was to select full-sib progenies and families of elephant grass (Pennisetum purpureum S.) to optimize phenotypes relevant to bioenergy production through mixed models (REML/BLUP). The circulating diallel-based crossing of ten elephant grass genotypes was performed...
May 18, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28525553/evaluation-of-conventional-and-frozen-elephant-trunk-techniques-on-spinal-cord-blood-flow-in-an-animal-model%C3%A2
#6
Sergey Leontyev, Maja-Theresa Dieterlen, Michelle Halling, Franziska Schlegel, Alexandro Hoyer, Susann Ossmann, Kerstin Klaeske, Christian D Etz, Friedrich W Mohr
OBJECTIVES: The treatment of patients with extensive thoracic aortic disease involving the arch and descending aorta is often performed using the frozen elephant trunk technique (FET). Spinal cord blood flow (SCBF) in cervical, thoracic and lumbar sections prior, during and after aortic arch surgery were compared in conventional elephant trunk (cET) and FET technique in a pig model. METHODS: German Landrace pigs (75-85 kg) underwent aortic arch surgery using the FET ( n  = 8) or cET ( n  = 8) techniques...
May 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28523169/risk-factors-for-continuous-renal-replacement-therapy-after-surgical-repair-of-type-a-aortic-dissection
#7
Hai-Bo Wu, Wei-Guo Ma, Hong-Lei Zhao, Jun Zheng, Jian-Rong Li, Ou Liu, Li-Zhong Sun
BACKGROUND: To identify the risk factors for continuous renal replacement therapy (CRRT) following surgical repair of type A aortic dissection (TAAD) using the total arch replacement and frozen elephant trunk (TAR + FET) technique. METHODS: The study included 330 patients with TAAD repaired using TAR + FET between January 2014 and April 2015. Mean age was 47.1±10.2 years (range, 18-73 years) and 242 were male (73.3%). Univariate and multivariate analyses were used to identify the risk factors for CRRT...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28516092/frozen-elephant-trunk-and-antegrade-visceral-debranching-in-the-surgical-treatment-of-type-b-aortic-dissection-an-alternative-method
#8
Altug Tuncer, Mustafa Akbulut, Taylan Adademir, Serpil Tas, Adnan Ak, Özgür Arslan, Benay Erden, Mesut Şişmanoğlu
Intervention is inevitable in complicated Type B aortic dissections. Classical surgical procedures and endovascular interventions are far from ideal treatments due to their high risk of periprocedural complications and mortality. There is often a need for alternative method in cases of difficult anatomy. We present the combined use of frozen elephant trunk and antegrade visceral debranching methods in the treatment of a 54-year-old male patient with complicated Type B aortic dissection.
October 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28510590/community-based-human-elephant-conflict-mitigation-the-value-of-an-evidence-based-approach-in-promoting-the-uptake-of-effective-methods
#9
Donny Gunaryadi, Sugiyo, Simon Hedges
Human-elephant conflict (HEC) is a serious threat to elephants and can cause major economic losses. It is widely accepted that reduction of HEC will often require community-based methods for repelling elephants but there are few tests of such methods. We tested community-based crop-guarding methods with and without novel chili-based elephant deterrents and describe changes in farmers' willingness to adopt these methods following our demonstration of their relative effectiveness. In three separate field-trials that took place over almost two years (October 2005 -May 2007) in two villages adjacent to Way Kambas National Park (WKNP) in Indonesia, we found that community-based crop-guarding was effective at keeping Asian elephants (Elephas maximus) out of crop fields in 91...
2017: PloS One
https://www.readbyqxmd.com/read/28510577/are-horses-capable-of-mirror-self-recognition-a-pilot-study
#10
Paolo Baragli, Elisa Demuru, Chiara Scopa, Elisabetta Palagi
Mirror Self-Recognition (MSR) unveils complex cognitive, social and emotional skills and it has been found only in humans and few other species, such as great apes, dolphins, elephants and magpies. In this pilot study, we tested if horses show the capacity of MSR. Four subjects living socially under naturalistic conditions were selected for the experiment. We adopted the classical mark test, which consists in placing a coloured mark on an out-of-view body part, visible only through mirror inspection. If the animal considers the image as its own, it will use its reflection to detect the mark and will try to explore it...
2017: PloS One
https://www.readbyqxmd.com/read/28506903/ethnozoological-assessment-of-animals-used-by-mon-traditional-medicine-vendors-at-kyaiktiyo-myanmar
#11
Vincent Nijman, Chris R Shepherd
ETHNOPHARMACOLOGICAL RELEVANCE: Wild animals are widely used in traditional Asian medicine but information from Myanmar is lacking. We show that a wide range of animals are used at a pilgrimage site, mostly for their rendered fats and oils to be used in mixed concoctions. The majority of species were sold to be used to treat aching joints, muscle ache and skin diseases. AIM OF THE STUDY: To assess wildlife for sale for medicinal purposes, and document their medicinal use at Kyaiktiyo, a pilgrimage site at a 1100m tall mountain, with many of the pilgrims climbing to the top...
May 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28505260/evolution-of-two-short-interspersed-elements-in-callorhinchus-milii-chondrichthyes-holocephali-and-related-elements-in-sharks-and-the-coelacanth
#12
Andrea Luchetti, Federico Plazzi, Barbara Mantovani
Short interspersed elements (SINEs) are non-autonomous retrotransposons. Although they usually show fast evolutionary rates, in some instances highly conserved domains (HCDs) have been observed in elements with otherwise divergent sequences and from distantly related species. Here we document the life history of two HCD-SINE families in the elephant shark Callorhinchus milii, one specific to the holocephalan lineage (CmiSINEs) and another one (SacSINE1-CM) with homologous elements in sharks and the coelacanth (SacSINE1s, LmeSINE1s)...
May 13, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28503553/elephant-initiated-interactions-with-humans-individual-differences-and-specific-preferences-in-captive-african-elephants-loxodonta-africana
#13
Zoë T Rossman, Clare Padfield, Debbie Young, Lynette A Hart
South Africa has seen a recent increase in the number of African elephants (Loxodonta africana) maintained in reserves and parks and managed in free contact, where they may spend a significant amount of time in close proximity to humans. This study investigates how individual elephants choose to initiate interactions with humans by examining whether interaction types and frequencies vary both between elephants and with regards to the category of human involved in the interaction. Observations were made on a herd of seven captive African elephants frequently exposed to elephant handlers (guides), volunteers (who carry out general observations for the park's research unit), and tourists...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28489908/sexual-dimorphism-in-african-elephant-social-rumbles
#14
Anton Baotic, Angela S Stoeger
This study used the source and filter theory approach to analyse sex differences in the acoustic features of African elephant (Loxodonta africana) low-frequency rumbles produced in social contexts ('social rumbles'). Permuted discriminant function analysis revealed that rumbles contain sufficient acoustic information to predict the sex of a vocalizing individual. Features primarily related to the vocalizer's size, i.e. fundamental frequency variables and vocal tract resonant frequencies, differed significantly between the sexes...
2017: PloS One
https://www.readbyqxmd.com/read/28489432/touching-the-elephant-the-search-for-fluid-intelligence
#15
Theodore Wasserman, Lori Drucker Wasserman
Many constructs that we take for granted in modern neuropsychology, fluid intelligence among them, can best be explained by conceptionalizing them as a collection of task specific processes engaged in by an integrated recruited network involved in problem solving. Fractionalizing the network in an attempt to describe elements of its function leads to arbitrarily defined segments that may be interesting to discuss abstractly, but never occur independently in the real world operation of the system. We will seek to demonstrate that the construct of fluid intelligence is like that...
May 10, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28485368/threading-an-elephant-through-the-eye-of-a-needle-where-are-platelets-made
#16
Ian Johnston, Vincent Hayes, Mortimer Poncz
There has been a long-standing controversy of whether megakaryocytes release platelets in the marrow or travel to the lungs and release platelets there. Using two-photon electron microscopy and orthotopic lung transplantation, Lefrançais et al. now document that platelet release occurs physiologically in the lungs of mice from extrapulmonary megakaryocytes and that this release accounts for ∼50% of total platelet production.
May 9, 2017: Cell Research
https://www.readbyqxmd.com/read/28481306/mth1-as-a-chemotherapeutic-target-the-elephant-in-the-room
#17
REVIEW
Govindi J Samaranayake, Mai Huynh, Priyamvada Rai
Many tumors sustain elevated levels of reactive oxygen species (ROS), which drive oncogenic signaling. However, ROS can also trigger anti-tumor responses, such as cell death or senescence, through induction of oxidative stress and concomitant DNA damage. To circumvent the adverse consequences of elevated ROS levels, many tumors develop adaptive responses, such as enhanced redox-protective or oxidatively-generated damage repair pathways. Targeting these enhanced oxidative stress-protective mechanisms is likely to be both therapeutically effective and highly specific to cancer, as normal cells are less reliant on such mechanisms...
May 8, 2017: Cancers
https://www.readbyqxmd.com/read/28475377/comparative-studies-of-bioactive-organosulphur-compounds-and-antioxidant-activities-in-garlic-allium-sativum-l-elephant-garlic-allium-ampeloprasum-l-and-onion-allium-cepa-l
#18
Sunyoung Kim, Dan-Bi Kim, Wenjie Jin, Junghyuck Park, Wonjin Yoon, Yunyeol Lee, Soyoung Kim, Sanghee Lee, Sungsoo Kim, Ok-Hwan Lee, Dongbin Shin, Miyoung Yoo
We evaluated organosulphur compounds in Allium vegetables, including garlic, elephant garlic and onion, using high-performance liquid chromatography. Among organosulphur compounds, elephant garlic had considerable γ-glutamyl peptides, and garlic had the highest alliin content. Onion had low level of organosulphur compounds than did elephant garlic and garlic. In addition, antioxidant capacities were evaluated by oxygen radical absorbance capacity (ORAC) values and 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) radical scavenging assay...
May 5, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28470722/estimation-and-simulation-of-foraging-trips-in-land-based-marine-predators
#19
Théo Michelot, Roland Langrock, Sophie Bestley, Ian D Jonsen, Theoni Photopoulou, Toby A Patterson
The behaviour of colony-based marine predators is the focus of much research globally. Large telemetry and tracking data sets have been collected for this group of animals, and are accompanied by many empirical studies that seek to segment tracks in some useful way, as well as theoretical studies of optimal foraging strategies. However, relatively few studies have detailed statistical methods for inferring behaviours in central place foraging trips. In this paper we describe an approach based on hidden Markov models, which splits foraging trips into segments labeled as "outbound", "search", "forage", and "inbound"...
May 4, 2017: Ecology
https://www.readbyqxmd.com/read/28470247/hydrodynamics-of-defecation
#20
Patricia J Yang, Morgan LaMarca, Candice Kaminski, Daniel I Chu, David L Hu
Animals discharge feces within a range of sizes and shapes. Such variation has long been used to track animals as well as to diagnose illnesses in both humans and animals. However, the physics by which feces are discharged remain poorly understood. In this combined experimental and theoretical study, we investigate the defecation of mammals from cats to elephants using the dimensions of large intestines and feces, videography at Zoo Atlanta, cone-on-plate rheological measurements of feces and mucus, and a mathematical model of defecation...
May 4, 2017: Soft Matter
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