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https://www.readbyqxmd.com/read/29778082/a-review-of-the-impacts-of-tobacco-heating-system-on-indoor-air-quality-versus-conventional-pollution-sources
#1
REVIEW
Violeta Kaunelienė, Marija Meišutovič-Akhtarieva, Dainius Martuzevičius
With the introduction of novel and potentially less polluting nicotine containing products to the market, the impacts of their usage to indoor air quality as opposed to conventional pollution sources must be reviewed and considered. This review study aimed to comparatively analyse changes in indoor air quality as the consequence of tobacco heating system (THS) generated pollution against general indoor air quality in various micro-environments, especially with combustion-based pollution sources present. Indoor concentrations of formaldehyde, acetaldehyde, benzene, toluene, nicotine and PM2...
May 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778010/exposure-to-cannabinoid-agonist-win-55-212-2-during-early-adolescence-increases-alcohol-preference-and-anxiety-in-cd1-mice
#2
Jimena Laura Frontera, Victoria María Gonzalez Pini, Fernando Luis Messore, Alicia Brusco
The endocannabinoid (eCB) system is involved in the modulation of the reward system and participates in the reinforcing effects of different drugs of abuse, including alcohol. The most abundant receptor of the eCB system in the central nervous system is the CB1 receptor (CB1R), which is predominantly expressed in areas involved in drug addiction, such as the nucleus accumbens, the ventral tegmental area, the substantia nigra and the raphe nucleus. CB1R is expressed in early stages during development, and reaches maximum levels during early adolescence...
May 16, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29777991/co-evolutionary-associations-between-root-associated-microbiomes-and-root-transcriptomes-in-wild-and-cultivated-rice-varieties
#3
Lei Tian, Shaohua Shi, Lina Ma, Fahad Nasir, Xiujun Li, Lam-Son Phan Tran, Chunjie Tian
The plants and root-associated microbiomes are closely related. Plant metabolic substances can serve as a nutrient source for the microbiome, and in return, the microbiome can regulate the production of plant metabolic substances. Wild rice (Oryza rufipogon), as the ancestor of cultivated rice (Oryza sativa), has changed several metabolic pathways and root-associated microbiome during evolution. Thus, the study of the different associations between metabolic pathways and root-associated microbiomes in wild and cultivated rice varieties is important for rice breeding...
April 13, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29777953/ultrasound-guided-application-of-percutaneous-electrolysis-as-an-adjunct-to-exercise-and-manual-therapy-for-subacromial-pain-syndrome-a-randomized-clinical-trial
#4
Lorena de-Miguel-Valtierra, Jaime Salom-Moreno, César Fernández-de-Las-Peñas, Joshua A Cleland, José L Arias-Buría
This randomized clinical trial compared the effects of adding US-guided percutaneous electrolysis into a program consisting of manual therapy and exercise on pain, related-disability, function and pressure sensitivity in subacromial pain syndrome. Fifty patients with subacromial pain syndrome were randomized into manual therapy and exercise or percutaneous electrolysis group. All patients received the same manual therapy and exercise program, one session per week for 5 consecutive weeks. Patients assigned to the electrolysis group also received the application of percutaneous electrolysis at each session...
May 16, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29777890/cortical-activation-changes-in-hirayama-disease-following-anterior-cervical-decompression-and-fusion
#5
Hongli Wang, Yiwei Wu, Jian Song, Jianyuan Jiang, Feizhou Lu, Xiaosheng Ma, Xinlei Xia
BACKGROUND: Spinal cord injury may cause cortical reconstruction. We, therefore, explored thechanges in cortical activation before and after anterior cervical decompression and fusion surgery in patients with Hirayama disease (HD). METHODS: 17 HD cases were performed anterior cervical decompression and fusion surgery. BOLD-fMRI scan was performed preoperatively, 3 months, 6 months and 1 year after surgery. Activated voxels were compared between both hands after adjusting for head motion, slice timing, spatial normalization and image smoothing...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777737/type-i-collagen-induces-mesenchymal-cell-differentiation-into-myofibroblasts-through-yap-induced-tgf-%C3%AE-1-activation
#6
Xiaoling Liu, Xinyu Long, Weiwei Liu, Yeli Zhao, Toshihiko Hayashi, Masayuki Yamato, Kazunori Mizuno, Hitomi Fujisaki, Shunji Hattori, Shin-Ichi Tashiro, Takaaki Ogura, Yuji Atsuzawa, Takashi Ikejima
In organ fibrosis, mechanical stress and transforming growth factor beta-1 (TGF-β1) promote differentiation into myofibroblast from mesenchymal cells, leading to extracellular matrix (ECM) remodeling or active synthesis, deposition or degradation of ECM components. A major component of ECM, type I collagen (col I) triple helical molecules assemble into fibrils or are denatured to gelatin without triple-helicity in remodeling. However, whether changes of ECM components in remodeling have influence on mesenchymal cell differentiation remains elusive...
May 16, 2018: Biochimie
https://www.readbyqxmd.com/read/29777732/antinociceptive-effect-of-tadalafil-in-various-pain-models-involvement-of-opioid-receptors-and-nitric-oxide-cyclic-gmp-pathways
#7
Mohammad M Mehanna, Souraya Domiati, Hania Nakkash Chmaisse, Ahmed El Mallah
Nitric oxide has been proven to play an important role in nociception, accordingly, its promoters, phosphodiesterase inhibitors have been investigated as pain response modulators. Aiming to evaluate the central effect of tadalafil, a phosphodiesterase 5 inhibitor, and to determine its EC50, tail flick and hot plate tests were utilized. On the other hand, its nociceptive peripheral analgesic effect was assessed through acetic-acid induced writhing model. Formalin test was used to appraise both non-inflammatory and inflammatory pain responses...
May 16, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29777731/tumor-necrosis-factor-receptor-2-is-required-for-ischemic-preconditioning-mediated-neuroprotection-in-the-hippocampus-following-a-subsequent-longer-transient-cerebral-ischemia
#8
Jae-Chul Lee, Chan Woo Park, Myoung Cheol Shin, Jun Hwi Cho, Hyang-Ah Lee, Young-Myeong Kim, Joon Ha Park, Ji Hyeon Ahn, Jeong Hwi Cho, Hyun-Jin Tae, In Koo Hwang, Tae-Kyeong Lee, Moo-Ho Won, Il Jun Kang
Tumor Necrosis Factor-α (TNF-α) is a proinflammatory cytokine implicated in neuronal damage in response to cerebral ischemia. Ischemic preconditioning (IPC) provides neuroprotection against a subsequent severer or longer transient ischemia by ischemic tolerance. Here, we focused on the role of TNF-α in IPC-mediated neuroprotection against neuronal death following a subsequent longer transient cerebral ischemia (TCI). Gerbils used in this study were randomly assigned to eight groups; sham group, TCI operated group, IPC plus (+) sham group, IPC + TCI operated group, sham + etanercept (an inhibitor of TNF-a) group, TCI + etanercept group, IPC + sham + etanercept group, and IPC + TCI + etanercept group...
May 16, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29777713/development-and-psychometric-validation-of-capacity-assessment-of-prosthetic-performance-for-the-upper-limb-cappful
#9
Nathan T Kearns, Jennifer K Peterson, Lisa Smurr Walters, Warren T Jackson, John M Miguelez, Tiffany Ryan
OBJECTIVES: (1) Develop a performance-based measure for adult upper limb (UL) prosthetic functioning through broad (i.e. overall performance) and functional domain-specific (e.g., control skills) assessment of commonplace activities; (2) conduct initial psychometric evaluation of the Capacity Assessment of Prosthetic Performance for the Upper Limb (CAPPFUL). DESIGN: Internal consistency of CAPPFUL and interrater reliability for task, functional domain, and full scale (sub)scores among three independent raters were estimated...
May 16, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29777505/a-fingertip-force-prediction-model-for-grasp-patterns-characterised-from-the-chaotic-behaviour-of-eeg
#10
Rinku Roy, Debdeep Sikdar, Manjunatha Mahadevappa, C S Kumar
A stable grasp is attained through appropriate hand preshaping and precise fingertip forces. Here, we have proposed a method to decode grasp patterns from motor imagery and subsequent fingertip force estimation model with a slippage avoidance strategy. We have developed a feature-based classification of electroencephalography (EEG) associated with imagination of the grasping postures. Chaotic behaviour of EEG for different grasping patterns has been utilised to capture the dynamics of associated motor activities...
May 19, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29777437/the-impact-of-anatomical-and-spatial-distance-between-responses-on-response-conflict
#11
Peter Wühr, Herbert Heuer
Different features of objects can be associated with different responses, so that their concurrent presence results in conflict. The Simon effect is a prominent example of this type of response conflict. In two experiments, we ask whether it is modulated by the anatomical or spatial relation between responses. Predictions were derived from an extended variant of the leaky, competing accumulator (LCA) model proposed by Usher and McClelland (Psychological Review, 108, 550-592, 2001). The relation between responses was represented by the lateral-inhibition parameter of the model...
May 17, 2018: Memory & Cognition
https://www.readbyqxmd.com/read/29777370/analysis-of-genetic-variability-of-respiratory-syncytial-virus-groups-a-and-b-in-kuwait
#12
Nada Madi, Wassim Chehadeh, Mohammed Asadzadeh, Mariam Al-Turab, Anfal Al-Adwani
Respiratory syncytial virus (RSV) is the most frequently identified viral agent in infants, children, and elderly people with acute respiratory tract infections (ARTIs). This study is the only one of its kind in Kuwait, and its purpose was to investigate the genetic variability of the G protein gene in RSV strains prevalent in Kuwait. Respiratory samples were collected from patients with ARTIs in various hospitals in Kuwait and subjected to reverse transcription PCR (RT-PCR) amplifying a fragment of the G gene of RSV...
May 19, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29777360/crossed-aphasia-following-cerebral-infarction-in-a-right-handed-patient-with-atypical-cerebral-language-dominance
#13
Xiaoping Tan, Yang Guo, Saihong Dun, Hongzan Sun
OBJECTIVE: Crossed aphasia (CA), usually referred to as an acquired language disturbance, is caused by a lesion in the cerebral hemisphere ipsilateral to the dominant hand, and the exact mechanism is not clear. The development of handedness is influenced by education and training and the impact of habitualization, while language is more susceptible to the impact of speech habits, and it is not absolutely accurate to judge cerebral language dominance by the degree of hand preference. METHODS: We describe a case of CA after right hemispheric stroke in a right-handed patient with atypical language dominance and attempt to analyze the mechanism of CA based on functional imaging methods, including arterial spin labeling (ASL) and positron emission tomography/magnetic resonance imaging (PET-MRI)...
May 18, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29777271/characteristics-and-outcomes-of-obstetric-brachial-plexus-palsy-in-a-single-saudi-centre-king-faisal-specialists-hospital-and-research-centre-an-experience-of-ten-years
#14
Omar A Al-Mohrej, Nehal A Mahabbat, Asad F Khesheaim, Nezar B Hamdi
BACKGROUND: Obstetric brachial plexus palsy (OBPP) is considered a rare, unpredictable, and unavoidable injury of the upper limb. In this study, we presented a retrospective cohort study over a period of ten years in King Faisal Specialists Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia, to assess the characteristics and functional outcomes of OBPP. METHODS: Between January 2005 and December 2015, we carried out 125 repairs of OBPP in KFSH&RC...
May 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29777102/a-virus-like-particle-based-tetravalent-vaccine-for-hand-foot-and-mouth-disease-elicits-broad-and-balanced-protective-immunity
#15
Wei Zhang, Wenlong Dai, Chao Zhang, Yu Zhou, Pei Xiong, Shuxia Wang, Xiaohua Ye, Qingwei Liu, Dongming Zhou, Zhong Huang
Hand, foot, and mouth disease (HFMD) is an infectious disease that mainly affects infants and children, causing considerable morbidity and mortality worldwide. HFMD is commonly caused by enterovirus 71 (EV71) and coxsackieviruses A16 (CVA16), A6 (CVA6), and A10 (CVA10). Formalin-inactivated EV71 vaccines are currently available in China; however, these vaccines fail to confer cross-protection against infections by other HFMD-causing enteroviruses, highlighting the necessity of developing a multivalent HFMD vaccine...
May 18, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29777027/t-cell-proliferation-and-colitis-are-initiated-by-defined-intestinal-microbes
#16
Pailin Chiaranunt, Justin T Tometich, Junyi Ji, Timothy W Hand
Inflammatory bowel disease has been associated with the dysregulation of T cells specific to Ags derived from the intestinal microbiota. How microbiota-specific T cells are regulated is not completely clear but is believed to be mediated by a combination of IgA, regulatory T cells, and type 3 innate lymphoid cells. To test the role of these regulatory components on microbiota-specific T cells, we bred CBir1 TCR transgenic (CBir1Tg) mice (specific to flagellin from common intestinal bacteria) onto a lymphopenic Rag1-/- background...
May 18, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29777000/nmt1-and-nmt3-n-methyltransferase-activity-is-critical-to-lipid-homeostasis-morphogenesis-and-reproduction
#17
Weihua Chen, Hooman Salari, Matthew C Taylor, Ricarda Jost, Oliver Berkowitz, Russell Barrow, Deyun Qiu, Remi Branco, Josette Masle
Phosphatidylcholine (PC) is a major membrane phospholipid and a precursor for most signalling molecules. Understanding its synthesis is important for improving plant growth, nutritional value and resistance to stress. PC synthesis is complex, involving several interconnected pathways, one of which proceeds from serine-derived phosphoethanolamine (PEA) to form phosphocholine (PCho) through three sequential phospho-base methylations catalysed by phosphoethanolamine N-methyltransferases (PEAMTs). The contribution of this pathway to the production of PC and plant growth has been a matter of some debate...
May 18, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29776996/effects-of-chronic-exposure-to-12%C3%A2-saltwater-on-the-endocrine-physiology-of-juvenile-american-alligator-alligator-mississippiensis
#18
P C Faulkner, M L Burleson, L Simonitis, C Marshall, D Hala, L H Petersen
American alligator ( Alligator mississippiensis , Linnaeus) habitats are prone to saltwater intrusion following major storms, hurricanes or droughts. Anthropogenic impacts affecting hydrology of freshwater systems may exacerbate saltwater intrusion into freshwater habitats. The endocrine system of alligators is susceptible to changes in the environment but it is currently not known how the crocodilian physiological system responds to environmental stressors such as salinity. Juvenile alligators were exposed to 12‰ saltwater for 5 weeks to determine effects of chronic exposure to saline environments...
May 18, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29776988/gp-at-hand-where-have-the-new-patients-come-from
#19
Gareth Iacobucci
No abstract text is available yet for this article.
May 18, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29776902/an-internet-based-radiology-course-in-medical-school-comparison-of-academic-performance-of-students-on-campus-versus-those-with-absenteeism-due-to-residency-interviews
#20
Andrew George Alexander, Deborah Deas, Paul Eric Lyons
BACKGROUND: Imaging and its optimal use are imperative to the practice of medicine, yet many students don't receive a formal education in radiology. Concurrently, students look for ways to take time away from medical school for residency interviewing. Web-based instruction provides an opportunity to combine these imperatives using online modalities. OBJECTIVE: A largely Web-based course in radiology during the 4th year of medical school was evaluated both for its acceptance to students who needed to be away from campus for interviews, and its effectiveness on a nationally administered standardized test...
May 18, 2018: JMIR Medical Education
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