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Animal assistance

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https://www.readbyqxmd.com/read/28548693/hemodynamic-impact-of-the-c-pulse-cardiac-support-device-a-one-dimensional-arterial-model-study
#1
Daimé Campos Arias, Francisco Londono, Tania Rodríguez Moliner, Dimitrios Georgakopoulos, Nikos Stergiopulos, Patrick Segers
The C-Pulse is a novel extra-aortic counter-pulsation device to unload the heart in patients with heart failure. Its impact on overall hemodynamics, however, is not fully understood. In this study, the function of the C-Pulse heart assist system is implemented in a one-dimensional (1-D) model of the arterial tree, and central and peripheral pressure and flow waveforms with the C-Pulse turned on and off were simulated. The results were studied using wave intensity analysis and compared with in vivo data measured non-invasively in three patients with heart failure and with invasive data measured in a large animal (pig)...
May 26, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28546807/isolation-of-biologically-active-peptides-from-the-venom-of-japanese-carpenter-bee-xylocopa-appendiculata
#2
Hiroko Kawakami, Shin G Goto, Kazuya Murata, Hideaki Matsuda, Yasushi Shigeri, Tomohiro Imura, Hidetoshi Inagaki, Tetsuro Shinada
BACKGROUND: Mass spectrometry-guided venom peptide profiling is a powerful tool to explore novel substances from venomous animals in a highly sensitive manner. In this study, this peptide profiling approach is successfully applied to explore the venom peptides of a Japanese solitary carpenter bee, Xylocopa appendiculata (Hymenoptera: Apoidea: Apidae: Anthophila: Xylocopinae: Xylocopini). Although interesting biological effects of the crude venom of carpenter bees have been reported, the structure and biological function of the venom peptides have not been elucidated yet...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28545109/hyperbaric-oxygen-therapy-for-wound-healing-in-diabetic-rats-varying-efficacy-after-a-clinically-based-protocol
#3
Johan W van Neck, Bastiaan Tuk, Esther M G Fijneman, Jonathan J Redeker, Edwin M Talahatu, Miao Tong
Hyperbaric oxygen therapy (HBOT) is a clinical treatment in which a patient breathes pure oxygen for a limited period of time at an increased pressure. Although this therapy has been used for decades to assist wound healing, its efficacy for many conditions is unproven and its mechanism of action is not yet fully clarified. This study investigated the effects of HBOT on wound healing using a diabetes-impaired pressure ulcer rat model. Seven weeks after streptozotocin-induced diabetes in rats (n = 55), a pressure ulcer was created on dorsal skin...
2017: PloS One
https://www.readbyqxmd.com/read/28543191/methadone-buprenorphine-and-naltrexone-for-the-treatment-of-opioid-use-disorder-in-pregnant-women
#4
Tran H Tran, Brooke L Griffin, Rebecca H Stone, Kathleen M Vest, Timothy J Todd
Pregnant women with opioid use disorder can be treated with methadone, buprenorphine, or naltrexone to reduce opioid use and improve retention to treatment. In this review, we compare the pregnancy outcomes of methadone, buprenorphine, and naltrexone in clinical trials and discuss the potential behavioral and developmental effects of these agents seen in offspring in animal studies. Important clinical considerations in the management of opioid use disorder in pregnant women and their infants are also discussed...
May 24, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28542311/18f-fdg-pet-ct-based-early-treatment-response-evaluation-of-nanoparticle-assisted-photothermal-cancer-therapy
#5
Kamilla Norregaard, Jesper T Jørgensen, Marina Simón, Fredrik Melander, Lotte K Kristensen, Pól M Bendix, Thomas L Andresen, Lene B Oddershede, Andreas Kjaer
Within the field of nanoparticle-assisted photothermal cancer therapy, focus has mostly been on developing novel heat-generating nanoparticles with the right optical and dimensional properties. Comparison and evaluation of their performance in tumor-bearing animals are commonly assessed by changes in tumor volume; however, this is usually a late-occurring event. This study implements 2-deoxy-2-[F-18]fluoro-D-glucose positron emission tomography imaging to perform early evaluation of the treatment outcome of photothermal therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28540223/asian-herbals-and-aphrodisiacs-used-for-managing-ed
#6
REVIEW
Peter H C Lim
In the East, many herbal tonics and preparations are used to assist the aging male improve his sexual drive or ability to perform penetrative sex by increasing sexual stimulation, erectile, ejaculatory, orgasmic and other responses for sexual function and satisfaction. The herbs and tonics act as or as "pick-me-ups" and energizing tonics which help the tired and fatigued male and those with sexual asthenia. The myths and realities concerning Tongkat Ali, sea horse, cobra meat and blood, animal penises and testicles amongst many other herbs and portions for oral intake or local application used by traditional "medical" practitioners and village doctors will be discussed...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28539174/drug-metabolism-in-the-elderly-a-multifactorial-problem
#7
REVIEW
R H Waring, R M Harris, S C Mitchell
Whether or not an individual's drug metabolising capacity declines with advancing age is a vexing question. There is no clear evidence that drug metabolism itself ('the biologically-assisted chemical alteration of the administered parent molecule') is less efficient in healthy old age than at younger ages, whereas a decreased capacity may be associated with ill-health and frailty. However, elderly individuals do show a reduced enzyme induction capability and are less able to tolerate overdoses. It appears that the majority of deleterious clinical outcomes related to drug therapy in an elderly (usually ill or frail) population may be ascribed to various anatomical and physiological age-related changes...
June 2017: Maturitas
https://www.readbyqxmd.com/read/28538830/subjective-memory-complaints-and-their-relation-with-verbal-fluency-in-active-older-people
#8
Flavia Rodrigues Bernardes, Camila Kretzer Machado, Monique Coan Souza, Marcos José Machado, Aline Megumi Arakawa Belaunde
Purpose: To verify subjective memory complaints and their relation to verbal fluency in older people participating in community groups. Methods: An epidemiological quantitative study performed in community groups for older people in Florianópolis, state of Santa Catarina, Brazil. Data were collected by structured interview using the Memory Complaint Questionnaire (MAC-Q) and the Verbal Fluency Test (VFT) by semantic categories "animals/minute". For an inferential descriptive analysis, data with p < 5% were considered...
May 22, 2017: CoDAS
https://www.readbyqxmd.com/read/28536832/proteomic-profiling-reveals-crucial-retinal-protein-alterations-in-the-early-phase-of-an-experimental-glaucoma-model
#9
Fabian Anders, Julia Teister, Sebstian Funke, Norbert Pfeiffer, Franz Grus, Thanos Solon, Verena Prokosch
PURPOSE: Clinical glaucoma is difficult to assess in terms of molecular pathophysiology, prompting studies in experimental models of glaucoma. The purpose of this study was to investigate quantitative changes in retinal protein expression at the onset of experimental glaucoma in rats. Analyzing the proteome provides a suitable tool to decipher the pathophysiological processes in glaucomatous degeneration. METHODS: Thermic cauterization of episcleral veins was utilized to elevate the intraocular pressure in Sprague Dawley rats...
May 24, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28536232/native-valve-endocarditis-caused-by-lactococcus-garvieae-an-emerging-human-pathogen
#10
Felicia H Lim, David R Jenkins
A 57-year-old man presented with native mitral valve endocarditis caused by Lactococcus garvieae, a known animal pathogen that is increasingly being reported as a cause of human infections. The organism was cultured in four sets of blood cultures and identification was initially made by matrix-assisted laser desorption/ionisation-time of flight mass spectrometry and confirmed by 16S rDNA PCR of the blood culture isolate. He was successfully treated with 6 weeks of both amoxicillin and gentamicin and underwent valve replacement surgery after 4 weeks of antimicrobial treatment...
May 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28534722/a-survey-of-established-veterinary-clinical-skills-laboratories-from-europe-and-north-america-present-practices-and-recent-developments
#11
Marc Dilly, Emma K Read, Sarah Baillie
Developing competence in clinical skills is important if graduates are to provide entry-level care but it is dependent on having had sufficient hands-on practice. Clinical skills laboratories provide opportunities for students to learn on simulators and models in a safe environment and to supplement training with animals. Interest in facilities for developing veterinary clinical skills has increased in recent years as many veterinary colleges face challenges in training their students with traditional methods alone...
May 23, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28533045/-evaluation-of-the-animal-assisted-therapy-in-alzheimer-s-disease
#12
Clémence Quibel, Marie Bonin, Magalie Bonnet, Maryse Gaimard, France Mourey, Isabelle Moesch, Pierre Ancet
Animal-assisted therapy sessions have been set up in a protected unit for patients with a dementia-related syndrome. The aim is to measure the effects of animal-assisted therapy on behavioural disorders in daily life and care. The results obtained provided some interesting areas to explore and recommendations with a view to optimising the implementation of such a system.
May 2017: Soins. Gérontologie
https://www.readbyqxmd.com/read/28531195/livestock-metabolomics-and-the-livestock-metabolome-a-systematic-review
#13
Seyed Ali Goldansaz, An Chi Guo, Tanvir Sajed, Michael A Steele, Graham S Plastow, David S Wishart
Metabolomics uses advanced analytical chemistry techniques to comprehensively measure large numbers of small molecule metabolites in cells, tissues and biofluids. The ability to rapidly detect and quantify hundreds or even thousands of metabolites within a single sample is helping scientists paint a far more complete picture of system-wide metabolism and biology. Metabolomics is also allowing researchers to focus on measuring the end-products of complex, hard-to-decipher genetic, epigenetic and environmental interactions...
2017: PloS One
https://www.readbyqxmd.com/read/28529081/sysfinder-a-customized-platform-for-search-comparison-and-assisted-design-of-appropriate-animal-models-based-on-systematic-similarity
#14
Shuang Yang, Guoqing Zhang, Wan Liu, Zhen Wang, Jifeng Zhang, Dongshan Yang, Y Eugene Chen, Hong Sun, Yixue Li
Animal models are increasingly gaining values by cross-comparisons of response or resistance to clinical agents used for patients. However, many disease mechanisms and drug effects generated from animal models are not transferable to human. To address these issues, we developed SysFinder (http://lifecenter.sgst.cn/SysFinder), a platform for scientists to find appropriate animal models for translational research. SysFinder offers a "topic-centered" approach for systematic comparisons of human genes, whose functions are involved in a specific scientific topic, to the corresponding homologous genes of animal models...
May 4, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28525345/in-vitro-production-of-sudanese-camel-camelus-dromedarius-embryos-from-epididymal-spermatozoa-and-follicular-oocytes-of-slaughtered-animals
#15
A E Abdelkhalek, Sh A Gabr, W A Khalil, Sh M Shamiah, L Pan, G Qin, M H Farouk
Application of assisted reproductive technology in camelidea, such as artificial insemination (AI) and embryo transfer, has been slow in comparison to that for other livestock species. In Egypt, there are few attempts to establish in vitro maturation (IVM) and fertilization (IVF) techniques in dromedary camel. The present study was carried out to produce Sudanese camel embryos using in vitro matured oocytes and epididymal spermatozoa. Dromedary camel ovaries were collected from abattoirs and then, the oocytes were aspirated from all the visible follicles on the ovarian surface (~2-8 mm in a diameter)...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28523496/imaging-ms-of-rodent-ocular-tissues-and-the-optic-nerve
#16
David M G Anderson, Wendi Lambert, David J Calkins, Zsolt Ablonczy, Rosalie K Crouch, Richard M Caprioli, Kevin L Schey
The visual system is comprised of many specialized cell types that are essential for relaying sensory information about an animal's surroundings to the brain. The cells present in ocular tissue are notoriously delicate, making it particularly challenging to section thin slices of unfixed tissue. Maintaining the morphology of the native tissue is crucial for accurate observations by either conventional staining techniques or in this instance matrix-assisted laser desorption ionization (MALDI IMS) or imaging using mass spectrometry...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28522438/anti-inflammatory-effects-of-oxpapc-involve-endothelial-cell-mediated-generation-of-lxa4
#17
Yunbo Ke, Noureddine Zebda, Olga Oskokova, Taras Afonyushkin, Evgeny Berdyshev, Yufeng Tian, Fanyong Meng, Nicolene Sarich, Valery N Bochkov, Ji Ming Wang, Anna A Birukova, Konstantin G Birukov
Rationale: Oxidation of 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphorylcholine generates a group of bioactive oxidized phospholipid products (OxPAPC) with a broad range of biological activities. Barrier-enhancing and anti-inflammatory effects of OxPAPC on pulmonary endothelial cells (EC) are critical for prevention of acute lung injury caused by bacterial pathogens or excessive mechanical ventilation. Anti-inflammatory properties of OxPAPC are associated with its antagonistic effects on toll-like receptors and suppression of RhoA GTPase signaling...
May 18, 2017: Circulation Research
https://www.readbyqxmd.com/read/28521685/weighing-the-impact-of-diet-and-lifestyle-on-female-reproductive-function
#18
Gabriella Garruti, Raffaella De Palo, Maria De Angelisc
In the last years several scientific societies and expert groups focused on the role played by nutritional factors, lifestyle and excess of body fat in interfering with female reproduction and fertility. In many studies a confounding factor is represented by polycystic ovary syndrome (PCOS) which is one of the major causes of infertility where genetic and family factors are certainly playing a role, together with lifestyle and nutritional factors. In an attempt to define "the optimal fertility diet", we will consider the role played by Mediterranean lifestyle and some macronutrients (animal and vegetable proteins) on ovulatory disorders and female fertility also considering some new visions derived from randomized trials of Lifestyle programs in obese Infertile women asking for in vitro fertilization or alternative assisted reproduction technologies...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28518104/neurodevelopmental-reflex-testing-in-neonatal-rat-pups
#19
Antoinette T Nguyen, Edward A Armstrong, Jerome Y Yager
Neurodevelopmental reflex testing is commonly used in clinical practice to assess the maturation of the nervous system. Neurodevelopmental reflexes are also referred to as primitive reflexes. They are sensitive and consistent with later outcomes. Abnormal reflexes are described as an absence, persistence, reappearance, or latency of reflexes, which are predictive indices of infants that are at high risk for neurodevelopmental disorders. Animal models of neurodevelopmental disabilities, such as cerebral palsy, often display aberrant developmental reflexes, as would be observed in human infants...
April 24, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28518085/analysis-of-chromosome-segregation-histone-acetylation-and-spindle-morphology-in-horse-oocytes
#20
Federica Franciosi, Irene Tessaro, Rozenn Dalbies-Tran, Cecile Douet, Fabrice Reigner, Stefan Deleuze, Pascal Papillier, Ileana Miclea, Valentina Lodde, Alberto M Luciano, Ghylene Goudet
The field of assisted reproduction has been developed to treat infertility in women, companion animals, and endangered species. In the horse, assisted reproduction also allows for the production of embryos from high performers without interrupting their sports career and contributes to an increase in the number of foals from mares of high genetic value. The present manuscript describes the procedures used for collecting immature and mature oocytes from horse ovaries using ovum pick-up (OPU). These oocytes were then used to investigate the incidence of aneuploidy by adapting a protocol previously developed in mice...
May 11, 2017: Journal of Visualized Experiments: JoVE
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