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https://www.readbyqxmd.com/read/29150267/can-memory-exist-outside-of-brain-and-be-transferred-historical-review-issues-ways-forward
#1
Ghulam Abbas, Wajahat Mahmood, Faisal Khan
Learning and memory are among the executive functions attributed to intelligent forms of life. Unfortunately, there is a lack of clear understanding regarding the underlying mechanisms governing these functions. Most of the modern day scientists attribute these functions solely to brain. However, in the latter half of last century, a number of reports suggested existence of extra-cranial memory and potential of its transfer between animals. Some have linked this phenomenon to RNA while others believed that peptides were responsible...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29148357/cuts-and-the-cutting-edge-british-science-funding-and-the-making-of-animal-biotechnology-in-1980s-edinburgh
#2
Dmitriy Myelnikov
The Animal Breeding Research Organisation in Edinburgh (ABRO, founded in 1945) was a direct ancestor of the Roslin Institute, celebrated for the cloning of Dolly the sheep. After a period of sustained growth as an institute of the Agricultural Research Council (ARC), ABRO was to lose most of its funding in 1981. This decision has been absorbed into the narrative of the Thatcherite attack on science, but in this article I show that the choice to restructure ABRO pre-dated major government cuts to agricultural research, and stemmed from the ARC's wish to prioritize biotechnology in its portfolio...
December 2017: British Journal for the History of Science
https://www.readbyqxmd.com/read/29148148/an-integrative-translational-approach-to-study-heart-failure-with-preserved-ejection-fraction-a-position-paper-from-the-working-group-on-myocardial-function-of-the-european-society-of-cardiology
#3
REVIEW
Andre P Lourenço, Adelino F Leite-Moreira, Jean-Luc Balligand, Johann Bauersachs, Dana Dawson, Rudolf A de Boer, Leon J de Windt, Inês Falcão-Pires, Ricardo Fontes-Carvalho, Stefan Franz, Mauro Giacca, Denise Hilfiker-Kleiner, Emilio Hirsch, Christoph Maack, Manuel Mayr, Burkert Pieske, Thomas Thum, Carlo G Tocchetti, Dirk L Brutsaert, Stephane Heymans
As heart failure with preserved ejection fraction (HFpEF) rises to epidemic proportions, major steps in patient management and therapeutic development are badly needed. With the current position paper we seek to update our view on HFpEF as a highly complex systemic syndrome, from risk factors and mechanisms to long-term clinical manifestations. We will revise recent advances in animal model development, experimental set-ups and basic and translational science approaches to HFpEF research, highlighting their drawbacks and advantages...
November 16, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29145783/ntp-niehs-global-contributions-to-toxicologic-pathology
#4
Robert Sills, Amy Brix, Mark Cesta, Sheba R Churchill, Michelle C Cora, Darlene Dixon, Michael Dykstra, Gordon Flake, Ron Herbert, Ramesh Kovi, Kyathanahalli Janardhan, Angela King-Herbert, David Malarkey, Arun Pandiri, Greg Travlos, Cynthia Willson, Susan A Elmore
National Toxicology Program (NTP) pathologists are engaged in important initiatives that have significant global impact. These initiatives build on its leadership in pathology peer review and publications in the areas of toxicologic pathology, clinical pathology, and laboratory animal medicine. Over the past decade, NTP/National Institute of Environmental Health Sciences research initiatives have focused on cancer and noncancer hazard identification, with the goal of understanding cellular and molecular mechanisms of disease...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29145645/waddlia-chondrophila-a-chlamydia-related-bacterium-has-a-negative-impact-on-human-spermatozoa
#5
D Baud, N Vulliemoz, A Ammerdorffer, J Gyger, G Greub, V Castella, M Stojanov
STUDY QUESTION: What is the impact of Waddlia chondrophila, an emerging Chlamydia-related bacterium associated with miscarriage, on human spermatozoa? SUMMARY ANSWER: W. chondrophila had a negative impact on human spermatozoa (decrease in viability and mitochondrial membrane potential) and was not entirely removed from infected samples by density gradient centrifugation. WHAT IS KNOWN ALREADY: Bacterial infection or colonization might have a deleterious effect on male fertility...
November 14, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29145569/immune-system-an-emerging-player-in-mediating-effects-of-endocrine-disruptors-on-metabolic-health
#6
Amita Bansal, Jorge Henao Mejia, Rebecca A Simmons
The incidence of metabolic disorders like type 2 diabetes and obesity continue to increase. In addition to the well-known contributors such as food intake and sedentary lifestyle, recent research in the exposure science discipline provides new evidence that exposure to endocrine disrupting chemicals like bisphenol A and phthalates via multiple routes (food, drink and skin contact) also contribute to the increased risk of metabolic disorders. Endocrine disrupting chemicals (EDCs) can disrupt any aspect of hormone action...
November 14, 2017: Endocrinology
https://www.readbyqxmd.com/read/29144386/creating-a-world-class-program-through-training-and-certification
#7
Ann Turner
The animal research field has gotten more sophisticated with the use of genetically engineered animals, biohazardous agents, and advanced technologies. Trained and competent personnel are a cornerstone of any animal care and use program. Individual career success is a combination of education, experience, continuing competence, professional development, and personal commitment. Integration of training and certification into programs demonstrate institutional commitment to quality research and enhance the program by providing staff with knowledge and training to address problems and situation that arise and to perform their job in a professional and effective manner...
November 16, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/29141765/bionomics-and-spatial-distribution-of-triatomine-vectors-of-trypanosoma-cruzi-in-texas-and-other-southern-states-usa
#8
Rachel Curtis-Robles, Sarah A Hamer, Sage Lane, Michael Z Levy, Gabriel L Hamer
Defining spatial and temporal occurrences of triatomine vectors of Trypanosoma cruzi, the agent of Chagas disease, in the US is critical for public health protection. Through a citizen science program and field collections from 2012 to 2016, we collected 3,215 triatomines, mainly from Texas. Using morphological and molecular approaches, we identified seven Triatoma species and report sex, length, and blood engorgement status. Many citizen-collected triatomines (92.9%) were encountered indoors, in peridomestic settings, or in dog kennels and represent spillover transmission risk of T...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29140140/the-physiological-mechanisms-of-effect-of-vitamins-and-amino-acids-on-tendon-and-muscle-healing-a-systematic-review
#9
Christopher Tack, Faye Shorthouse, Lindsy Kass
AIMS/OBJECTIVES: To evaluate current literature via systematic review to ascertain whether amino acids/ vitamins provide any influence on musculotendinous healing, and by which physiological mechanisms Methods: EBSCO, PUBMED, Science Direct, Embase Classic/ Embase, and MEDLINE were searched using terms including "vitamins", "amino acids", "healing", "muscle" and "tendon". The primary search had 479 citations, 466 of which were excluded predominantly due to non-randomised design. Randomised human and animal studies investigating all supplement types/ forms of administration were included...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29136189/serum-omega-3-fatty-acids-and-treatment-outcomes-among-women-undergoing-assisted-reproduction
#10
Y-H Chiu, A E Karmon, A J Gaskins, M Arvizu, P L Williams, I Souter, B R Rueda, R Hause, J E Chavarro
STUDY QUESTION: Are serum polyunsaturated fatty acids (PUFA) concentrations, including omega-3 (ω3-PUFA) and omega-6 (ω6-PUFA), related to ART outcomes? SUMMARY ANSWER: Serum levels of long-chain ω3-PUFA were positively associated with probability of live birth among women undergoing ART. WHAT IS KNOWN ALREADY: Intake of ω3-PUFA improves oocyte and embryo quality in animal and human studies. However, a recent cohort study found no relation between circulating ω3-PUFA levels and pregnancy rates after ART...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29134192/problems-and-progress-regarding-sex-bias-and-omission-in-neuroscience-research
#11
Tyler R Will, Stephanie B Proaño, Anly M Thomas, Lindsey M Kunz, Kelly C Thompson, Laura A Ginnari, Clay H Jones, Sarah-Catherine Lucas, Elizabeth M Reavis, David M Dorris, John Meitzen
Neuroscience research has historically ignored female animals. This neglect comes in two general forms. The first is sex bias, defined as favoring one sex over another; in this case, male over female. The second is sex omission, which is the lack of reporting sex. The recognition of this phenomenon has generated fierce debate across the sciences. Here we test whether sex bias and omission are still present in the neuroscience literature, whether studies employing both males and females neglect sex as an experimental variable, and whether sex bias and omission differs between animal models and journals...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29130353/for-the-greater-credibility-jesuit-science-and-education-in-modern-portugal-1858-1910
#12
Francisco Malta Romeiras
Upon the restoration of the Society of Jesus in Portugal in 1858, the Jesuits founded two important colleges that made significant efforts in the promotion of hands-on experimental teaching of the natural sciences. At the Colégio de Campolide (Lisbon, 1858-1910) and the Colégio de São Fiel (Louriçal do Campo, 1863-1910) the Jesuits created modern chemistry and physics laboratories, organized significant botanical, zoological and geological collections, promoted scientific expeditions with their students to observe eclipses and to collect novel species of animals and plants, and engaged in original research work in physics, botany, and zoology...
November 1, 2017: History of Science; An Annual Review of Literature, Research and Teaching
https://www.readbyqxmd.com/read/29130154/a-transgenic-core-facility-s-experience-in-genome-editing-revolution
#13
Celvie L Yuan, Yueh-Chiang Hu
The use of animal models, particularly rodents, has been immensely important to nearly all aspects of biomedical research, from basic science exploration to translational discoveries into clinical applications. The transgenic core facility that provides animal model production, preservation, and recovery services has been fundamental to the success of research efforts using animals. Recent advances in genome editing technologies, especially the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated (Cas) enzyme system, have transformed the tedious animal model production into a simple and effective procedure...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29126230/a-survey-of-software-tools-for-microrna-discovery-and-characterization-using-rna-seq
#14
Michele Bortolomeazzi, Enrico Gaffo, Stefania Bortoluzzi
Since the small RNA-sequencing (sRNA-seq) technology became available, it allowed the discovery of thousands new microRNAs (miRNAs) in humans and many other species, providing new data on these small RNAs (sRNAs) of high biological and translational relevance. MiRNA discovery has not yet reached saturation, even in the most studied model organisms, and many researchers are using sRNA-seq in studies with different aims in biomedicine, fundamental research and in applied animal sciences. We review several miRNA discovery and characterization software tools that implement different strategies, providing a useful guide for researchers to select the programs best suiting their study objectives and data...
November 6, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29125958/investigation-of-brain-science-and-neurological-psychiatric-disorders-using-genetically-modified-non-human-primates
#15
REVIEW
Hideyuki Okano, Noriyuki Kishi
Although mice have been the most frequently used experimental animals in many research fields due to well-established gene manipulation techniques, recent evidence has revealed that rodent models do not always recapitulate pathophysiology of human neurological and psychiatric diseases due to the differences between humans and rodents. The recent developments in gene manipulation of non-human primate have been attracting much attention in the biomedical research field, because non-human primates have more applicable brain structure and function than rodents...
November 7, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29124679/fear-of-fat-and-restrained-eating-negative-body-talk-between-female-friends-as-a-moderator
#16
Chong Man Chow, Holly Ruhl, Cin Cin Tan, Lilian Ellis
PURPOSE: This study examined whether engagement in negative body talk would moderate the association between fear of fat and restrained eating among female friend dyads. METHODS: Female friends (N pairs = 130) were recruited from a Midwestern university in the United States. The dyadic data were examined with an Actor-Partner Interdependence Model (APIM). RESULTS: Results showed that women's fear of fat was significantly related to their own restrained eating behaviors...
November 9, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/29120299/bovine-leukaemia-virus-genotypes-5-and-6-are-circulating-in-cattle-from-the-state-of-s%C3%A3-o-paulo-brazil
#17
Lilian Gregory, Natália Carrillo Gaeta, Jansen Araújo, Luciano Matsumiya Thomazelli, Ricardo Harakawa, Alice A Ikuno, Liria Hiromi Okuda, Eliana de Stefano, Edviges Maristela Pituco
PURPOSE: Enzootic bovine leucosis (EBL) is a silent disease caused by a retrovirus [bovine leukaemia virus (BLV)]. BLV is classified into almost 10 genotypes that are distributed in several countries. The present research aimed to describe two BLV gp51 env sequences of strains detected in the state of São Paulo, Brazil and perform a phylogenetic analysis to compare them to other BLV gp51 env sequences of strains around the world. METHODOLOGY: Two bovines from different herds were admitted to the Bovine and Small Ruminant Hospital, School of Veterinary Medicine and Animal Science, University of São Paulo, Brazil...
November 9, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29119585/effects-of-dopamine-receptor-antagonist-antipsychotic-therapy-on-blood-pressure
#18
REVIEW
N H Gonsai, V H Amin, C G Mendpara, R Speth, G M Hale
WHAT IS KNOWN AND OBJECTIVE: Hypertension, a major risk factor for adverse cardiovascular events, such as stroke and myocardial infarction, affects 80 million American adults. The aetiology of hypertension is multifaceted and difficult to identify. Dopamine receptors, especially those in the kidneys, play a role in blood pressure regulation, and alterations in their function can cause hypertension. The objective of this review was to investigate the association between the use of dopamine antagonists with hypertension focusing especially on second-generation antipsychotics, like clozapine that is D4 receptor antagonist...
November 8, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/29119384/tributyltin-advancing-the-science-on-assessing-endocrine-disruption-with-an-unconventional-endocrine-disrupting-compound
#19
Laurent Lagadic, Ioanna Katsiadaki, Ron Biever, Patrick D Guiney, Natalie Karouna-Renier, Tamar Schwarz, James P Meador
Tributyltin (TBT) has been recognized as an endocrine disrupting chemical (EDC) for several decades. However, only in the last decade, was its primary endocrine mechanism of action (MeOA) elucidated-interactions with the nuclear retinoid-X receptor (RXR), peroxisome proliferator-activated receptor γ (PPARγ), and their heterodimers. This molecular initiating event (MIE) alters a range of reproductive, developmental, and metabolic pathways at the organism level. It is noteworthy that a variety of MeOAs have been proposed over the years for the observed endocrine-type effects of TBT; however, convincing data for the MIE was provided only recently and now several researchers have confirmed and refined the information on this MeOA...
November 9, 2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29118218/consciousness-regained-disentangling-mechanisms-brain-systems-and-behavioral-responses
#20
Johan F Storm, Mélanie Boly, Adenauer G Casali, Marcello Massimini, Umberto Olcese, Cyriel M A Pennartz, Melanie Wilke
How consciousness (experience) arises from and relates to material brain processes (the "mind-body problem") has been pondered by thinkers for centuries, and is regarded as among the deepest unsolved problems in science, with wide-ranging theoretical, clinical, and ethical implications. Until the last few decades, this was largely seen as a philosophical topic, but not widely accepted in mainstream neuroscience. Since the 1980s, however, novel methods and theoretical advances have yielded remarkable results, opening up the field for scientific and clinical progress...
November 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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