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https://www.readbyqxmd.com/read/27913257/prodynorphin-and-kappa-opioid-receptor-mrna-expression-in-the-brain-relates-to-social-status-and-behavior-in-male-european-starlings
#1
Lauren V Riters, Melissa A Cordes, Sharon A Stevenson
Numerous animal species display behavioral changes in response to changes in social status or territory possession. For example, in male European starlings only males that acquire nesting sites display high rates of sexual and agonistic behavior. Past studies show that mu and delta opioid receptors regulate behaviors associated with social ascension or defeat. Opioids also act at kappa receptors, with dynorphin binding with the highest affinity; however, the role of these opioids in social behavior has not been well studied...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27895561/evidence-of-a-role-for-the-lateral-hypothalamic-area-juxtadorsomedial-region-lhajd-in-defensive-behaviors-associated-with-social-defeat
#2
Miguel J Rangel, Marcus V C Baldo, Newton S Canteras, Joel D Hahn
Our understanding of the extrinsic connections of the lateral hypothalamic area (LHA) has deepened in recent years. In particular, a series of studies using neural pathway-tracing methods to investigate the macroconnections of histologically differentiated LHA regions, have revealed that the neural connections of these regions are substantially distinct, and have robust connections with neural circuits controlling survival behaviors. To begin testing functional associations suggested by the distinct LHA region neural connections, the present study has investigated the role of the LHA juxtadorsomedial region (LHAjd) in the control of social defeat (a socially-relevant defensive behavior)...
2016: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/27887771/microbiological-research-under-the-nagoya-protocol-facts-and-fiction
#3
Jörg Overmann, Amber Hartman Scholz
The Nagoya Protocol is based on concepts of biological diversity that are hardly applicable to microorganisms. Because of this incongruence, the Nagoya Protocol threatens future microbial research, potentially defeating its original purpose. Countries with appropriate regulations can promote science and their bioeconomy through international collaboration and simultaneously gain a competitive advantage.
November 22, 2016: Trends in Microbiology
https://www.readbyqxmd.com/read/27885045/how-canada-s-asbestos-industry-was-defeated-in-quebec
#4
Kathleen Ruff
Less than a decade ago, the Quebec asbestos industry enjoyed support from all the political parties in the Canadian House of Commons and the Quebec National Assembly, as well as from business and union organizations. Two lobby organizations (Chrysotile Institute and International Chrysotile Association) had significant global impact in promoting asbestos use and defeating asbestos ban efforts in developing countries. Quebec's two asbestos mines planned to expand operations and make Quebec the second biggest global asbestos exporter...
November 23, 2016: New Solutions: a Journal of Environmental and Occupational Health Policy: NS
https://www.readbyqxmd.com/read/27877188/identification-of-genomic-associations-for-adult-plant-resistance-in-the-background-of-popular-south-asian-wheat-cultivar-pbw343
#5
Huihui Li, Sukhwinder Singh, Sridhar Bhavani, Ravi P Singh, Deepmala Sehgal, Bhoja R Basnet, Prashant Vikram, Juan Burgueno-Ferreira, Julio Huerta-Espino
Rusts, a fungal disease as old as its host plant wheat, has caused havoc for over 8000 years. As the rust pathogens can evolve into new virulent races which quickly defeat the resistance that primarily rely on race specificity, adult plant resistance (APR) has often been found to be race non-specific and hence is considered to be a more reliable and durable strategy to combat this malady. Over decades sets of donor lines have been identified at International Maize and Wheat Improvement Center (CIMMYT) representing a wide range of APR sources in wheat...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27873179/oxycodone-deterx-%C3%A2-a-novel-abuse-deterrent-extended-release-analgesic-option-for-the-treatment-of-patients-with-chronic-pain
#6
REVIEW
Jeff Gudin
BACKGROUND: Extended-release (ER) opioid analgesics are commonly used to provide safe and effective pain relief to treat pain severe enough to require around-the-clock, long-term dosing. These ER opioid formulations usually contain more drug per dosage unit than immediate-release (IR) agents, and therefore bring with them challenges related to both opioid abuse and misuse, often through manipulation of the dosage form. Oxycodone DETERx(®) (Xtampza(®) ER, Collegium Pharmaceutical, Inc...
December 2016: Pain and Therapy
https://www.readbyqxmd.com/read/27870445/evaluating-social-defeat-as-a-model-for-psychopathology-in-adult-female-rodents
#7
REVIEW
Matia B Solomon
Social conflict is a predominant stressor in humans and is associated with increased risk for developing psychological illnesses including depression and anxiety. Overwhelmingly, more women suffer from these disorders, which may be due to increased stress sensitivity. Like humans, rodents experience a myriad of physiological and behavioral sequelae due to prolonged stress exposure. Although the motivation for social conflict may differ between humans and rodents, female rodents may provide an opportunity to explore the underlying mechanisms by which stress confers risk for psychopathology in women...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27870436/stress-sex-and-motivated-behaviors
#8
REVIEW
Abigail Laman-Maharg, Brian C Trainor
Stress is a major risk factor for development of psychiatric disorders such as depression and development of substance use disorder. Although there are important sex differences in the prevalence of these disorders, most preclinical models used to study stress-induced disorders have used males only. Social defeat stress is a commonly used method to induce stress in an ethologically relevant way but has only recently begun to be used in female rodents. Using these new female models, recent studies have examined how social defeat stress affects males and females differently at the behavioral, circuit, and molecular levels...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27861729/antidepressant-like-effects-of-fenofibrate-in-mice-via-the-hippocampal-bdnf-signaling-pathway
#9
Bo Jiang, Ying-Jie Wang, Hao Wang, Lu Song, Chao Huang, Qing Zhu, Feng Wu, Wei Zhang
BACKGROUND AND PURPOSE: Depression is a neuropsychiatric disorder accompanied by decreased brain derived neurotrophic factor (BDNF) signaling cascade in the hippocampus. Fenofibrate is a selective agonist of peroxisome proliferator-activated receptor-α (PPAR-α). In this study, we investigated the antidepressant-like effects of fenofibrate in C57BL/6 J mice. EXPERIMENTAL APPROACH: The antidepressant-like effects of fenofibrate were first detected in the forced swim test (FST) and tail suspension test (TST), and then assessed in the chronic social defeat stress (CSDS) model...
November 15, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27853418/low-%C3%AE-2-main-peak-frequency-in-the-electroencephalogram-signs-vulnerability-to-depression
#10
Damien Claverie, Chrystel Becker, Antoine Ghestem, Mathieu Coutan, Françoise Camus, Christophe Bernard, Jean-Jacques Benoliel, Frédéric Canini
Objective: After an intense and repeated stress some rats become vulnerable to depression. This state is characterized by persistent low serum BDNF concentration. Our objective was to determine whether electrophysiological markers can sign vulnerability to depression. Methods: Forty-three Sprague Dawley rats were recorded with supradural electrodes above hippocampus and connected to wireless EEG transmitters. Twenty-nine animals experienced four daily social defeats (SD) followed by 1 month recovery. After SD, 14 rats had persistent low serum BDNF level and were considered as vulnerable (V) while the 15 others were considered as non-vulnerable (NV)...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27852461/the-development-of-intensive-care-in-the-military-environment
#11
REVIEW
Matthew J Roberts
If the history of critical care is to be addressed, the starting point must be the fundamental and defining qualities of intensive care units. These are the concentration of the sickest patients in a defined area of the hospital, staffed by the personnel most able to care for them (by virtue of specialist training), and the application of the most advanced monitoring or therapeutic techniques available at the time. In the military environment, the ability to provide critical care to ill or injured servicemen has developed in tandem with the civilian experience, but the pressures of the austere environment of the battlefield have, at times, held back military medical services from providing the highest level of care that servicemen might deserve and, indeed, expect in civilian life...
October 2016: Journal of Anesthesia History
https://www.readbyqxmd.com/read/27834611/strategy-changes-in-subsequent-fights-as-consequences-of-winning-and-losing-in-fruit-fly-fights
#12
Séverine Trannoy, Edward A Kravitz
In competition for food, territory and mates, male fruit flies (Drosophila melanogaster) engage in agonistic encounters with conspecifics. The fighting strategies used to obtain these resources are influenced by previous and present experience, environmental cues, and the internal state of the animal including hormonal and genetic influences. Animals that experience prior defeats show submissive behavior and are more likely to lose 2(nd) contests, while animals that win 1(st) fights are more aggressive and have a higher probability of winning 2(nd) contests...
November 11, 2016: Fly
https://www.readbyqxmd.com/read/27833799/ischemic-postconditioning-and-pinacidil-suppress-calcium-overload-in-anoxia-reoxygenation-cardiomyocytes-via-down-regulation-of-the-calcium-sensing-receptor
#13
Lin Zhang, Song Cao, Shengli Deng, Gang Yao, Tian Yu
Ischemic postconditioning (IPC) and ATP sensitive potassium channel (KATP) agonists (e.g. pinacidil and diazoxide) postconditioning are effective methods to defeat myocardial ischemia-reperfusion (I/R) injury, but their specific mechanisms of reducing I/R injury are not fully understood. We observed an intracellular free calcium ([Ca(2+)]i) overload in Anoxia/reoxygenation (A/R) cardiomyocytes, which can be reversed by KATP agonists diazoxide or pinacidil. The calcium-sensing receptor (CaSR) regulates intracellular calcium homeostasis...
2016: PeerJ
https://www.readbyqxmd.com/read/27833769/first-case-report-of-a-late-onset-knee-periprosthetic-joint-infection-caused-by-lactococcus-garvieae
#14
V-I Neagoe, S Zytoun, H-J Neuhaus
Lactococcus garvieae is known as a Gram-positive, catalase-negative, and facultatively anaerobic fish pathogen. The association between Lactococcus spp. and human infectious diseases is described as being mainly associated with lumbar osteomyelitis, hepatic abscess, and infective endocarditis. In the literature of orthopedic post-prosthetic infections, L. garvieae was associated with a case of hip prosthetic infection in a fishmonger woman. We present the case of a 79-year-old male patient with multiple comorbidities, who is admitted to our center with a 5-day history of pain, swelling, and motility disorder of the right knee by the presence of a bicondylar knee replacement surgery, which was performed due to gonarthrosis 17 years ago...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27830826/how-to-defeat-dementia
#15
COMMENT
Elie Dolgin
No abstract text is available yet for this article.
November 9, 2016: Nature
https://www.readbyqxmd.com/read/27827006/did-napoleon-suffer-from-chronic-rhonchopathy
#16
Claude-Henri Chouard
CONCLUSION: If Napoleon had been treated, Europa would then have doubtless been different, and perhaps would not have known the last two World wars. OBJECTIVES: This study plans to demonstrate that Napoleon very probably suffered from Chronic Rhonchopathy. BACKGROUND: Between 1983-1993, the author led their ENT department of CHU Saint-Antoine to contribute in the knowledge of chronic snoring and Obstructive Sleep Apneas Syndrome (OSAS), and to define the treatment of their consequences...
November 9, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27825946/pi3k-akt-signaling-pathway-is-involved-in-hypoxia-thermal-induced-immunosuppression-of-small-abalone-haliotis-diversicolor
#17
Yulong Sun, Xin Zhang, Guodong Wang, Shi Lin, Xinyang Zeng, Yilei Wang, Ziping Zhang
The PI3K-AKT signal pathway has been found to be involved in many important physiological and pathological processes of the innate immune system of vertebrates and invertebrates. In this study, the AKT (HdAKT) and PI3K (HdPI3K) gene of small abalone Haliotis diversicolor were cloned and characterized for the important status of PI3K and AKT protein in PI3K-AKT signaling pathway. The full length cDNAs of HdAKT and HdPI3K are 2126 bp and 6052 bp respectively, encoding proteins of 479 amino acids and 1097 amino acids, respectively...
December 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27810703/histone-deacetylase-and-acetyltransferase-inhibitors-modulate-behavioral-responses-to-social-stress
#18
Katharine E McCann, Anna M Rosenhauer, Genna M F Jones, Alisa Norvelle, Dennis C Choi, Kim L Huhman
Histone acetylation has emerged as a critical factor regulating learning and memory both during and after exposure to stressful stimuli. There are drugs that we now know affect histone acetylation that are already in use in clinical populations. The current study uses these drugs to examine the consequences of acutely increasing or decreasing histone acetylation during exposure to social stress. Using an acute model of social defeat in Syrian hamsters, we systemically and site-specifically administered drugs that alter histone acetylation and measured subsequent behavior and immediate-early gene activity...
January 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27810231/improving-inhaled-antibiotic-treatment-practice-defeats-the-proof
#19
EDITORIAL
C Kors van der Ent, J Stuart Elborn
No abstract text is available yet for this article.
November 2016: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/27792974/-flash-forwards-and-suicidal-ideation-a-prospective-investigation-of-mental-imagery-entrapment-and-defeat-in-a-cohort-from-the-hong-kong-mental-morbidity-survey
#20
Roger M K Ng, Martina Di Simplicio, Freda McManus, Helen Kennerley, Emily A Holmes
'Flash-forwards' - mental images of suicide - have been reported in selected Caucasian samples. Perceptions of defeat and entrapment are considered to be associated with suicidal ideation. We aimed to investigate (1) the presence of suicidal flash-forwards in people with recent suicidal ideation versus those without such ideation in an Asian sample, and (2) associations between suicidal flash-forwards, and perceptions of entrapment accounting for suicidal ideation. Eighty two suicidal and 80 non-suicidal participants from the Hong Kong Mental Morbidity Survey completed questionnaires including suicidal ideation, presence of suicidal flash-forward images, defeat and entrapment, at baseline and seven weeks later...
October 18, 2016: Psychiatry Research
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