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https://www.readbyqxmd.com/read/28449562/longer-telomere-length-of-t-lymphocytes-in-patients-with-early-and-chronic-psychosis
#1
Yin Cui, Vishwanath Vasudev Prabhu, Thong Ba Nguyen, Subramaniam Mohana Devi, Young-Chul Chung
Objective: To investigate pathological conditions that act as sources of pro-inflammatory cytokines and cytotoxic substances to examine telomere length (TL) in patients with either early (duration of illness [DI] ≤5 years) or chronic (DI >5 years) psychosis using T lymphocytes. Methods: Based on these factors and the important role that T lymphocytes play in inflammation, the present study measured the TL of T lymphocytes in patients with either early or chronic psychosis...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28449558/in-silicomodel-driven-assessment-of-the-effects-of-brain-derived-neurotrophic-factor-deficiency-on-glutamate-and-gamma-aminobutyric-acid-implications-for-understanding-schizophrenia-pathophysiology
#2
Rimjhim Agrawal, Sunil Vasu Kalmady, Ganesan Venkatasubramanian
Objective: Deficient brain-derived neurotrophic factor (BDNF) is one of the important mechanisms underlying the neuroplasticity abnormalities in schizophrenia. Aberration in BDNF signaling pathways directly or circuitously influences neurotransmitters like glutamate and gamma-aminobutyric acid (GABA). For the first time, this study attempts to construct and simulate the BDNF-neurotransmitter network in order to assess the effects of BDNF deficiency on glutamate and GABA. Methods: Using CellDesigner, we modeled BDNF interactions with calcium influx via N-methyl-D-aspartate receptor (NMDAR)- Calmodulin activation; synthesis of GABA via cell cycle regulators protein kinase B, glycogen synthase kinase and β-catenin; transportation of glutamate and GABA...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28449550/modeling-the-effects-of-nanopatterned-surfaces-on-wetting-states-of-droplets
#3
Ke Xiao, Yanping Zhao, Gang Ouyang, Xinlei Li
An analytic thermodynamic model has been established to quantitatively investigate the wetting states of droplets on nanopatterned surfaces. Based on the calculations for the free energies of droplets with the Wenzel state and the Cassie-Baxter state, it is found that the size and shape of nanostructured surfaces play crucial roles in wetting states. In detail, for nanohole-patterned surfaces, the deep and thin nanoholes lead to the Cassie-Baxter state, and contrarily, the shallow and thick nanoholes result in the Wenzel state...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28449541/nanoscale-observation-of-dehydration-process-in-phema-hydrogel-structure
#4
Kordian Chamerski, Witold Korzekwa, Jacek Filipecki, Olha Shpotyuk, Marcin Stopa, Piotr Jeleń, Maciej Sitarz
One of the most important field of interest in respect to hydrogel materials is their capability to water storage. The problem mentioned above plays an important role regarding to diffusion of fluid media containing nanoparticles, what is very useful in biomedical applications, such as artificial polymeric implants, drug delivery systems or tissue engineering.In presented work, dehydration process in hydrogels used in ophthalmology as intraocular lenses was observed. Before measurements studied materials were immersed in deionized water and saline solution to obtain equilibrium swelling state...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28449494/clinical-outcomes-for-multi-and-extensively-drug-resistant-tuberculosis-patients-with-adjunctive-resectional-lung-surgery-in-beijing-china
#5
Yan Ma, Yu Pang, Jian Du, Yuhong Liu, Liang Li, Weiwei Gao
The objective of this study was to assess the performance of adjective resectional lung surgery for multidrug resistant (MDR-) and extensively drug resistant tuberculosis (XDR-TB) patients in Beijing, China. Between October 1992 and October 2012, 21 MDR/XDR patients undergoing pulmonary resection at Beijing Chest Hospital were enrolled in this study. The clinical outcomes of MDR- and XDR-TB patients were analyzed with a 3-year surgical follow-up. Out of 21 patients enrolled in this study, 20 patients (95.2%) had unilateral cavitary disease, and 1 patient (4...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449462/pulmonary-function-tests-findings-and-their-diagnostic-value-in-patients-with-igg4-related-disease
#6
Lu Cao, Yi-Bing Chen, Da-Hui Zhao, Wen-Fang Shi, Song Meng, Li-Xin Xie
BACKGROUND: IgG4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory disorder that can affect most organs. To date, there have been no detailed assessments of pulmonary function in patients with IgG4-RD. In this study, we investigated pulmonary function in IgG4-RD patients and evaluated the value of pulmonary function tests (PFTs) in diagnosing IgG4-related respiratory disease (IgG4-RRD). METHODS: This was a retrospective study of 17 patients with IgG4-RD...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449423/the-detection-of-messenger-rna-for-carcinoembryonic-antigen-and-cytokeratin-20-in-peritoneal-washing-fluid-in-patients-with-advanced-gastric-cancer
#7
Yeon Ji Kim, Woo Chul Chung, Sooa Choi, Yun Duk Jung, Jaejun Lee, Seung Yun Chae, Kyong Hwa Jun, Hyung Min Chin
Background/Aims: Peritoneal micrometastasis is known to play an important role in the recurrence of gastric cancer. However, its effects remain equivocal. Herein, we examine the messenger RNA (mRNA) as tumor markers, carcinoembryonic antigen (CEA), and cytokeratin 20 (CK20), in peritoneal washing fluid. Moreover, we evaluate whether these results could predict the recurrence of gastric cancer following curative resection. Methods: We prospectively enrolled 132 patients with gastric cancers, who had received an operation, between January 2010 and January 2013...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28449389/mindfulness-training-for-parents-of-children-with-special-needs-guidance-for-nurses-in-mental-health-practice
#8
Manika Petcharat, Patricia Liehr
PROBLEM: Parents of children with special needs encounter specific challenges in carrying out their caregiving roles. They experience difficulty accepting their children due to unrealistically high expectations. Mindfulness training (MT) may increase parental psychological well-being and acceptance. OBJECTIVE: The purpose of this article is to examine the evidence-base for the effectiveness of MT in enhancing psychological well-being for parents of children with special needs as a foundation for guidance for nurses in mental health practice...
April 27, 2017: Journal of Child and Adolescent Psychiatric Nursing
https://www.readbyqxmd.com/read/28449380/the-pas-domains-of-the-major-sporulation-kinase-in-bacillus-subtilis-play-a-role-in-tetramer-formation-that-is-essential-for-the%C3%A2-autokinase-activity
#9
Brittany Kiehler, Lindsey Haggett, Masaya Fujita
Sporulation in Bacillus subtilis is induced upon starvation. In a widely accepted model, an N-terminal "sensor" domain of the major sporulation kinase KinA recognizes a hypothetical starvation signal(s) and autophosphorylates a histidine residue to activate the master regulator Spo0A via a multicomponent phosphorelay. However, to date no confirmed signal has been found. Here, we demonstrated that PAS-A, the most N-terminal of the three PAS domains (PAS-ABC), is dispensable for the activity, contrary to a previous report...
April 27, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28449375/the-genetic-dimension-of-pest-pressure-in-the-tropical-rainforest
#10
Marco Todesco, Quentin Cronk
Wet tropical forests are among the most diverse ecosystems on Earth and can host several hundreds of tree species per hectare. To maintain such diversity, the community must contain large numbers of relatively rare species rather than be dominated by a few very common trees, as is often the case in temperate forests. Explaining the mechanisms preventing dominance by common species has been a major task of tropical forest ecology. One of the most promising mechanisms is negative density dependence (NDD) of tree abundance driven by pests, including fungal diseases ('pest pressure')...
May 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28449363/health-literacy-interventions-for-immigrant-populations-a-systematic-review
#11
REVIEW
M Fernández-Gutiérrez, P Bas-Sarmiento, M J Albar-Marín, O Paloma-Castro, J M Romero-Sánchez
BACKGROUND: Health literacy is considered a social health determinant that influences improvement in health, patient empowerment and reduction in inequalities. There is a lack of health literacy interventions for vulnerable social groups (i.e. immigrants), and nurses have shown little familiarity with the concept. AIM: This study aimed to identify and analyse whether interventions directed at immigrant populations improve the functional (basic reading, writing and arithmetic skills), interactive (social and cognitive skills) and critical (advanced cognitive and social skills in critically analyzing information and making informed decisions) dimensions of health literacy, taking into account the role played by nursing in these interventions...
April 27, 2017: International Nursing Review
https://www.readbyqxmd.com/read/28449351/long-term-plasticity-of-corticostriatal-synapses-is-modulated-by-pathway-specific-co-release-of-opioids-through-kappa-opioid-receptors
#12
Sarah L Hawes, Armando G Salinas, David M Lovinger, Kim T Blackwell
Synaptic plasticity in striatum adjusts behaviour adaptively during skill learning, or maladaptively in the case of addiction. Just as dopamine plays a critical role in synaptic plasticity underlying normal skill learning and addiction, endogenous and exogenous opiates also modulate learning and addiction-related striatal plasticity. Though the role of opioid receptors in long-term depression in striatum has been characterized, their effect on long-term potentiation (LTP) remains unknown. In particular, direct pathway (Dopamine D1 Receptor containing; D1R) - spiny projection neurons (SPNs) co-release the opioid neuropeptide dynorphin, which acts at presynaptic kappa opioid receptors (KORs) on dopaminergic afferents and can negatively regulate dopamine release...
April 27, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28449326/area-wide-mass-trapping-by-pheromone-based-attractants-for-the-control-of-sugar-beet-weevil-bothynoderes-punctiventris-germar-coleoptera-curculionidae
#13
Z Drmić, M Toth, D Lemić, D Grubišić, M Pospišil, R Bažok
BACKGROUND: Due to the changing climate, narrow crop rotation, and changes in insecticide application practice, sugar beet weevil (SBW) (Bothynoderes punctiventris Germar) has become the most important economic pest in sugar beet. To develop alternative control methods, an area-wide (AW) control program using aggregation pheromones was implemented over four years on an area of 6 and 14.8 km(2) in east Croatia. RESULTS: The mass trapping of SBW on the "old" sugar beet fields reduced the population from 0...
April 27, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28449313/neurovascular-unit-alteration-in-somatosensory-cortex-and-enhancement-of-thermal-nociception-induced-by-amphetamine-involves-central-at1-receptor-activation
#14
Victoria Belén Occhieppo, Natalia Andrea Marchese, Iara Diamela Rodríguez, Osvaldo Martín Basmadjian, Gustavo Baiardi, Claudia Bregonzio
The use of psychostimulants, such as amphetamine (Amph), is associated with inflammatory processes, involving glia and vasculature alterations. Brain Angiotensin II (Ang II), through AT1 -receptors (AT1 -R), modulates neurotransmission and plays a crucial role in inflammatory responses in brain vasculature and glia. Our aim for the present work was to evaluate the role of AT1 -R in long-term alterations induced by repeated exposure to Amph. Astrocyte reactivity, neuronal survival and brain microvascular network were analyzed at the somatosensory cortex...
April 27, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28449310/rational-design-of-nanobody80-loop-peptidomimetics-towards-biased-%C3%AE-2-adrenergic-receptor-ligands
#15
Charlotte Martin, Samuel Moors, Mia Danielsen, Cecilia Betti, Cecilia Fabris, Daniel Sejer Pedersen, Els Pardon, Marion Peyressatre, Krisztina Fehér, Jose C Martins, Jesper Mosolff Mathiesen, May Morris, Nick Devoogdt, Vicky Caveliers, Frank De Proft, Jan Steyaert, Steven Ballet
G protein-coupled receptors (GPCRs) play an important role for many cellular responses, and as such their mechanism of action is of utmost interest. To gain insight into the active conformation of GPCRs, the X-ray crystal structures of Nanobody(Nb)-stabilized β2-adrenergic receptor (β2AR) have been reported. Nb80 in particular is able to bind the intracellular G protein binding site of β2AR and stabilize the receptors in an active conformation. Within Nb80, the complementarity-determining region 3 (CDR3) is responsible for most of the binding interactions...
April 27, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28449242/resting-sympathetic-arousal-moderates-the-association-between-parasympathetic-reactivity-and-working-memory-performance-in-adults-reporting-high-levels-of-life-stress
#16
Ryan J Giuliano, Lisa M Gatzke-Kopp, Leslie E Roos, Elizabeth A Skowron
The neurovisceral integration model stipulates that autonomic function plays a critical role in the regulation of higher-order cognitive processes, yet most work to date has examined parasympathetic function in isolation from sympathetic function. Furthermore, the majority of work has been conducted on normative samples, which typically demonstrate parasympathetic withdrawal to increase arousal needed to complete cognitive tasks. Little is known about how autonomic regulation supports cognitive function in populations exposed to high levels of stress, which is critical given that chronic stress exposure alters autonomic function...
April 27, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28449240/bmp-signaling-in-pulmonary-hypertension-advances-and-therapeutic-implications
#17
Kai Yang, Jian Wang, Wenju Lu
Bone morphogenetic protein (BMP)-mediated signaling pathway plays critical roles in pulmonary hypertension (PH) development and progression. The typical BMP signaling mostly involve BMP ligands, specific transmembrane serine/threonine kinase receptors, cellular responsive kinases and secreted antagonists. As more and more studies have been conducted, the specific protective or pathogenic roles of these molecules within all these subgroups of BMP signaling have been continuously uncovered. Based on these evidences, specific strategies have been designed by targeting these factors as novel treatment approach against PH...
April 27, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28449238/exposure-response-relationship-of-neighbourhood-sanitation-and-children-s-diarrhea
#18
Youngmee Tiffany Jung, Wendy Lou, Yu-Ling Cheng
OBJECTIVES: To assess the association of neighbourhood sanitation coverage with under-five children's diarrheal morbidity, and to evaluate its exposure-response relationship. METHODS: We used the Demographic and Health Surveys (DHS) of 29 developing countries in sub-Saharan Africa and South Asia, conducted between 2010 and 2014. The primary outcome was 2-week incidence of diarrhea in children under 5 years of age (N=300426). We conducted three-level logistic regression analyses and applied cubic splines to assess the trend between neighbourhood-level coverage of improved household sanitation and diarrheal morbidity...
April 27, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28449222/tspan33-is-expressed-in-transitional-and-memory-b-cells-but-is-not-responsible-for-high-adam10-expression
#19
César Augusto Pérez-Martínez, José Luis Maravillas-Montero, Iván Meza-Herrera, Felipe Vences-Catalán, Albert Zlotnik, Leopoldo Santos-Argumedo
Tetraspanins are a family of transmembrane proteins that form membrane microdomains. They play important roles in migration, adhesion, and other cellular processes. TspanC8, a subfamily of tetraspanins, were found to associate and promote ADAM10 trafficking and cell surface localization. One of its members, Tspan33, is expressed in activated B cells. Using RT-PCR and flow cytometry, we analyzed the pattern of expression of Tspan33 in B cells from healthy donors. We found Tspan33 expression in early and late stages of B cell development...
April 27, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28449221/assessment-of-sun-protective-attitudes-and-behaviours-of-australian-medical-students
#20
A J Scott, V Harris, A Lee, S D Smith
Skin cancer is a major public health concern in Australia and around the world, and UV radiation exposure is accepted as the most readily modifiable risk factor for the disease(1) . The attitudes and behaviours of young adults towards sun protection play an important role in their future risk of skin cancer, and are thus an important target for sun-safety messaging. A cross-sectional study aiming to investigate the sun-protective behaviours and attitudes of Australian medical students during both everyday outdoor activities and while travelling for leisure was conducted via an online questionnaire...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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