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https://www.readbyqxmd.com/read/27923267/sleep-and-processing-of-trauma-memories
#1
Ihori Kobayashi, Thomas A Mellman, Duaa Altaee, Mary Katherine Howell, Joseph Lavela
Sleep has been implicated in learning processes that appear to underlie recovery from posttraumatic stress disorder (PTSD). The importance of quality and timing of sleep following exposure-based therapies has been suggested. The present study evaluated relationships between sleep and adaptive emotional processing following written narrative exposure (WNE) to memories of traumatic events experienced by participants with clinically significant PTSD symptoms. Participants included 21 urban-residing nontreatment-seeking adults with full or subthreshold symptoms of PTSD who completed 4 sessions of 30-min WNE with the first session either in the evening or the morning...
December 2016: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/27919757/dietary-administration-of-bacillus-subtilis-hainup40-enhances-growth-digestive-enzyme-activities-innate-immune-responses-and-disease-resistance-of-tilapia-oreochromis-niloticus
#2
Haitian Liu, Shifeng Wang, Yan Cai, Xiaohui Guo, Zhenjie Cao, Yongzheng Zhang, Shubin Liu, Wei Yuan, Weiwei Zhu, Yu Zheng, Zhenyu Xie, Weiliang Guo, Yongcan Zhou
The probiotic properties of Bacillus subtilis HAINUP40 isolated from the aquatic environment, and the effects of dietary administration of B. subtilis HAINUP40 on the growth performance, intestinal probiotic recovery, digestive enzyme activities, innate immunity and disease resistance of tilapia (Oreochromis niloticus) were evaluated. The probiotic properties investigated include tolerance to simulated gastrointestinal stress, auto-aggregation, cell surface hydrophobicity and extracellular enzyme production...
December 2, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27919750/mapping-the-functional-connectome-in-traumatic-brain-injury-what-can-graph-metrics-tell-us
#3
Karen Caeyenberghs, Helena Verhelst, Adam Clemente, Peter H Wilson
OBJECTIVE: Traumatic brain injury (TBI) is associated with cognitive and motor deficits, and poses a significant personal, societal, and economic burden. One mechanism by which TBI is thought to affect cognition and behaviour is through changes in functional connectivity. Graph theory is a powerful framework for quantifying topological features of neuroimaging-derived functional networks. The objective of this paper is to review studies examining functional connectivity in TBI with an emphasis on graph theoretical analysis that is proving to be valuable in uncovering network abnormalities in this condition...
December 2, 2016: NeuroImage
https://www.readbyqxmd.com/read/27918666/quantification-of-training-and-competition-loads-in-endurance-sports-methods-and-applications
#4
Iñigo Mujika
Training quantification is basic to evaluate an endurance athlete's responses to the training loads, ensure adequate stress/recovery balance and determine the relationship between training and performance. Quantifying both external and internal workload is important, because the external workload does not measure the biological stress imposed by the exercise sessions. Generally used quantification methods include retrospective questionnaires, diaries, direct observation and physiological monitoring, often based on the measurement of oxygen uptake, heart rate and blood lactate concentration...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918661/how-does-a-short-interrupted-recovery-break-affect-performance-and-how-is-it-assessed-a-study-on-acute-effects
#5
Maximilian Pelka, Alexander Ferrauti, Tim Meyer, Mark Pfeiffer, Michael Kellmann
A recovery process with optimal prerequisites, which is interrupted, is termed disrupted recovery. Whether this process has an influence on performance-related factors needs to be investigated. Therefore, the aim of this study was to examine how a short disturbance of a recovery phase is assessed and whether subsequent repeated sprint performance is affected by it. A quasi-experimental 2x2-factors cross-over design with 34 sport science undergraduate students (age 20.3 ± 2.1) was applied. Factors were the type of intervention (power nap vs...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27917949/intravenous-hmscs-ameliorate-acute-pancreatitis-in-mice-via-secretion-of-tumor-necrosis-factor-%C3%AE-stimulated-gene-protein-6
#6
Zhigang He, Jie Hua, Daohai Qian, Jian Gong, Shengping Lin, Chenglei Xu, Ge Wei, Hongbo Meng, Tingsong Yang, Bo Zhou, Zhenshun Song
The administration of mesenchymal stem cells/multipotent mesenchymal stromal cells (MSCs) to enhance tissue repair is currently undergoing clinical trials. Some studies, including our previous work, have also revealed the beneficial effect of MSCs in severe acute pancreatitis (SAP); however, their mechanisms or mode of action remain controversial. In this study, we demonstrated that intravenously (i.v.)-administered human MSCs (hMSCs) remarkably promoted recovery from experimental SAP without significant engraftment of hMSCs in the damaged pancreas...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917468/dry-skin-conditions-are-related-to-the-recovery-rate-of-skin-temperature-after-cold-stress-rather-than-to-blood-flow
#7
Yasuko Yoshida-Amano, Tomoko Nomura, Yoshinori Sugiyama, Kayoko Iwata, Yuko Higaki, Masanori Tanahashi
BACKGROUND: Cutaneous blood flow plays an important role in the thermoregulation, oxygen supply, and nutritional support necessary to maintain the skin. However, there is little evidence for a link between blood flow and skin physiology. Therefore, we conducted surveys of healthy volunteers to determine the relationship(s) between dry skin properties and cutaneous vascular function. METHODS: Water content of the stratum corneum, transepidermal water loss, and visual dryness score were investigated as dry skin parameters...
December 4, 2016: International Journal of Dermatology
https://www.readbyqxmd.com/read/27916140/moderate-alcohol-consumption-after-a-mental-stressor-attenuates-the-endocrine-stress-response
#8
I C Schrieks, M M Joosten, W A A Klöpping-Ketelaars, R F Witkamp, H F J Hendriks
Alcohol is often consumed to reduce tension and improve mood when exposed to stressful situations. Previous studies showed that moderate alcohol consumption may reduce stress when alcohol is consumed prior to a stressor, but data on the effect of alcohol consumption after a mental stressor is limited. Therefore, our objective was to study whether moderate alcohol consumption immediately after a mental stressor attenuates the stress response. Twenty-four healthy men (age 21-40 y, BMI 18-27 kg/m(2)) participated in a placebo-controlled trial...
December 2016: Alcohol
https://www.readbyqxmd.com/read/27914825/amelioration-of-ischemia-reperfusion-induced-functional-and-biochemical-deficit-in-mice-by-ocimum-kilimandscharicum-leaf-extract
#9
Varinder Singh, Pawan Krishan, Nirmal Singh, Amit Kumar, Richa Shri
The genus Ocimum (family Lamiaceae) has been revered for its diverse biological activities. Various species have been used traditionally to treat CNS disorders and are proven to have neuroprotective effect that is often attributed to their significant antioxidant activity. Ocimum kilimandscharicum (Karpoora Thulasi), a prominent member of this genus is reported to have marked antioxidant activity but its neuroprotective potential has not been explored. Thus, present study was designed to evaluate the cerebroprotective effect of O...
November 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914248/the-difficult-lives-of-individuals-with-bipolar-disorder-a-review-of-functional-outcomes-and-their-implications-for-treatment
#10
REVIEW
Michael J Gitlin, David J Miklowitz
BACKGROUND: Most longitudinal or treatment studies in bipolar disorder have used symptomatic or syndromal status as the primary outcome variable. More recently, psychosocial functioning has been highlighted as a key domain of outcome. Patients with bipolar disorder appear to be impaired in all functional domains, although the factors that cause impairment have not been clearly specified. METHODS: This paper reviews cross-sectional and longitudinal studies on functional impairment and its relationship to symptomatic, neurocognitive, personality, and stress variables in bipolar disorder; and the implications of these relationships for defining treatment targets...
November 22, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27914194/illness-narratives-of-people-who-are-homeless
#11
Cecilia Håkanson, Joakim Öhlén
Multiple illnesses are common in all homeless populations. While most previous studies have focused on experiences of mental illness, there is a scarcity of studies about experiences of bodily illness among people who are homeless. This study aimed to explore illness narratives of people who are homeless, and how homelessness as a social context shapes the experience of multiple and/or advancing somatic conditions. The design was a qualitative single-case study, using interpretive description. Data were generated through interviews, with nine participants who were homeless rough sleepers in Stockholm, Sweden, recruited while receiving care in a support home for homeless people with complex care needs...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27914011/activation-of-alpha-7-nicotinic-acetylcholine-receptor-reduces-brain-edema-in-mice-with-ischemic-stroke-and-bone-fracture
#12
Dingquan Zou, Man Luo, Zhenying Han, Lei Zhan, Wan Zhu, Shuai Kang, Chen Bao, Zhao Li, Jeffrey Nelson, Rui Zhang, Hua Su
Stroke is an important risk factor for bone fracture. We showed previously that bone fracture at the acute stage of ischemic stroke worsens, and activation of α-7 nicotinic acetylcholine receptor (α-7 nAchR) improves, stroke recovery by attenuating inflammation. We hypothesized that activation of α-7 nAchR also improves the blood-brain barrier (BBB) integrity. Permanent distal middle cerebral artery occlusion (pMCAO) was performed on C57BL/6J mice followed by tibia fracture 1 day later. Mice were treated with 0...
December 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27913822/more-than-just-scanning-the-importance-of-cap-independent-mrna-translation-initiation-for-cellular-stress-response-and-cancer
#13
REVIEW
Rafaela Lacerda, Juliane Menezes, Luísa Romão
The scanning model for eukaryotic mRNA translation initiation states that the small ribosomal subunit, along with initiation factors, binds at the cap structure at the 5' end of the mRNA and scans the 5' untranslated region (5'UTR) until an initiation codon is found. However, under conditions that impair canonical cap-dependent translation, the synthesis of some proteins is kept by alternative mechanisms that are required for cell survival and stress recovery. Alternative modes of translation initiation include cap- and/or scanning-independent mechanisms of ribosomal recruitment...
December 2, 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27913259/-postoperative-delayed-paradoxical-depression-pdpd-after-uncomplicated-intracranial-aneurysm-surgery
#14
Tomas Garzon-Muvdi, Wuyang Yang, Andrew S Luksik, Alejandro Ruiz-Valls, Rafael John Tamargo, Justin Caplan, Rafael J Tamargo
BACKGROUND: Postoperative delayed paradoxical depression (PDPD) is a psychiatric condition described in patients who undergo a major surgery without complications, do not have a history of mood disorders, but nevertheless become clinically depressed. PDPD has been recognized in major surgical interventions such as coronary artery bypass surgery. We sought to determine the incidence and potential factors associated with PDPD after surgical treatment of intracranial aneurysms. METHODS: The cohort of 105 patients was derived from a prospective observational dataset of 3788 consecutive cases of intracranial aneurysms accrued from 1991-2015...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27913253/vibrissal-paralysis-produces-increased-corticosterone-levels-and-impairment-of-spatial-memory-retrieval
#15
William E Patarroyo, Milady García-Perez, Marisol Lamprea, Alejandro Múnera, Julieta Troncoso
This research was aimed at establishing how the absence of active whisking in rats affects acquisition and recovery of spatial memory. The mystacial vibrissae were irreversibly paralyzed by cutting the facial nerve's mandibular and buccal branches bilaterally in the facial nerve lesion group (N=14); control animals were submitted to sham-surgery (N=15). Sham-operated (N=11) and facial nerve-lesioned (N=10) animals were trained (one session, eight acquisition trials) and tested 24hours later in a circular Barnes maze...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27912920/the-relationship-between-therapist-rated-function-and-patient-reported-outcome-measures
#16
Yvonne Braun, Jos J Mellema, Rinne M Peters, Suzanne Curley, Gae Burchill, David Ring
STUDY DESIGN: Prospective cohort study. INTRODUCTION: Some third-party payers require hand therapists to rate patient's functional disability based on patient self-rating using patient-reported outcome measures (PROMs), objective measurements of impairment, and observation of functional tasks-hand therapist-rated function (HTRF). PURPOSE OF THE STUDY: To test the correlation between HTRF and PROMs (upper limb functional index [ULFI] and Patient-Reported Outcomes Measurement Information System upper extremity [PROMIS UE]) and its association with psychological factors...
November 29, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/27912879/how-do-the-alkaloids-emetine-and-homoharringtonine-kill-trypanosomes-an-insight-into-their-molecular-modes-of-action
#17
Sonja Krstin, Tamer Mohamed, Xiaojuan Wang, Michael Wink
BACKGROUND: Although Trypanosoma brucei causes deadly sleeping sickness, the number of the registered medications is rather limited. Some plant alkaloids are potent trypanocidal agents. PURPOSE: In this study, we wanted to elucidate the molecular modes of trypanocidal activity of the alkaloids emetine and homoharringtonine against Trypanosoma brucei brucei. METHODS: We investigated the activity of both alkaloids regarding growth recovery from alkaloid-induced stress...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27909442/strong-coupling-of-shoot-assimilation-and-soil-respiration-during-drought-and-recovery-periods-in-beech-as-indicated-by-natural-abundance-%C3%AE-13-c-measurements
#18
Carola H Blessing, Matti Barthel, Lydia Gentsch, Nina Buchmann
Drought down-regulates above- and belowground carbon fluxes, however, the resilience of trees to drought will also depend on the speed and magnitude of recovery of these above- and belowground fluxes after re-wetting. Carbon isotope composition of above- and belowground carbon fluxes at natural abundance provides a methodological approach to study the coupling between photosynthesis and soil respiration (SR) under conditions (such as drought) that influence photosynthetic carbon isotope discrimination. In turn, the direct supply of root respiration with recent photoassimilates will impact on the carbon isotope composition of soil-respired CO2...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27909300/cyanobacterial-photoprotection-by-the-orange-carotenoid-protein
#19
REVIEW
Diana Kirilovsky, Cheryl A Kerfeld
In photosynthetic organisms, the production of dangerous oxygen species is stimulated under high irradiance. To cope with this stress, these organisms have evolved photoprotective mechanisms. One type of mechanism functions to decrease the energy arriving at the photochemical centres by increasing thermal dissipation at the level of antennae. In cyanobacteria, the trigger for this mechanism is the photoactivation of a soluble carotenoid protein, the orange carotenoid protein (OCP), which is a structurally and functionally modular protein...
December 2, 2016: Nature Plants
https://www.readbyqxmd.com/read/27909225/recovery-of-the-immune-system-after-exercise
#20
Jonathan M Peake, Oliver Neubauer, Neil P Walsh, Richard J Simpson
The notion that prolonged, intense exercise causes an 'open window' of immunodepression during recovery after exercise is well accepted. Repeated exercise bouts or intensified training without sufficient recovery may increase the risk of illness. However, except for salivary IgA, clear and consistent markers of this immunodepression remain elusive. Exercise increases circulating neutrophil and monocyte counts, and reduces circulating lymphocyte count during recovery. This lymphopenia results from preferential egress of lymphocyte subtypes with potent effector functions (e...
December 1, 2016: Journal of Applied Physiology
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