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https://www.readbyqxmd.com/read/28227435/gelatin-methacrylamide-hydrogel-with-graphene-nanoplatelets-for-neural-cell-laden-3d-bioprinting
#1
Wei Zhu, Brent T Harris, Lijie Grace Zhang, Wei Zhu, Brent T Harris, Lijie Grace Zhang, Wei Zhu, Brent T Harris, Lijie Grace Zhang
Nervous system is extremely complex which leads to rare regrowth of nerves once injury or disease occurs. Advanced 3D bioprinting strategy, which could simultaneously deposit biocompatible materials, cells and supporting components in a layer-by-layer manner, may be a promising solution to address neural damages. Here we presented a printable nano-bioink composed of gelatin methacrylamide (GelMA), neural stem cells, and bioactive graphene nanoplatelets to target nerve tissue regeneration in the assist of stereolithography based 3D bioprinting technique...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226655/use-of-local-field-potentials-of-dissociated-cultures-grown-on-multi-electrode-arrays-for-pharmacological-assays
#2
G D C Mendis, E Morrisroe, C A Reid, S K Halgamuge, S Petrou, G D C Mendis, E Morrisroe, C A Reid, S K Halgamuge, S Petrou, S K Halgamuge, S Petrou, E Morrisroe, C A Reid, G D C Mendis
In vitro Multi-Electrode Arrays (MEA) are an extracellular recording technology that enables the analysis of networks of neurons in vitro. Neurons in culture exhibit a range of behavioral dynamics, which can be measured in terms of individual action potentials, network-wide synchronized firing and a host of other features that characterize network activity. MEA data analysis was historically focused on high frequency spike data forgoing the low frequency content of the signal. In this study, we use local field potentials, which are low frequency components of MEA signals, to differentiate between two types of antiepileptic drugs (p<;0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226398/dysregulation-of-interleukin-5-expression-in-familial-eosinophilia
#3
Senbagavalli Prakash Babu, Yun-Yun K Chen, Sandra Bonne-Annee, Jun Yang, Irina Maric, Timothy G Myers, Thomas B Nutman, Amy D Klion
BACKGROUND: Familial eosinophilia (FE) is a rare autosomal dominant inherited disorder characterized by the presence of lifelong peripheral eosinophilia (>1500/μL). Mapped to chromosome 5q31-q33, the genetic cause of FE is unknown, and prior studies have failed to demonstrate a primary abnormality in the eosinophil lineage. OBJECTIVE: The aim of the present study was to identify the cells driving the eosinophilia in FE. METHODS: Microarray analysis and real-time PCR were used to examine transcriptional differences in peripheral blood mononuclear cells (PBMC), and in purified cell subsets from affected and unaffected family members belonging to a single large kindred...
February 22, 2017: Allergy
https://www.readbyqxmd.com/read/28225808/epileptogenesis-in-organotypic-hippocampal-cultures-has-limited-dependence-on-culture-medium-composition
#4
Jing Liu, Yero Saponjian, Mark M Mahoney, Kevin J Staley, Yevgeny Berdichevsky
Rodent organotypic hippocampal cultures spontaneously develop epileptiform activity after approximately 2 weeks in vitro and are increasingly used as a model of chronic post-traumatic epilepsy. However, organotypic cultures are maintained in an artificial environment (culture medium), which contains electrolytes, glucose, amino acids and other components that are not present at the same concentrations in cerebrospinal fluid (CSF). Therefore, it is possible that epileptogenesis in organotypic cultures is driven by these components...
2017: PloS One
https://www.readbyqxmd.com/read/28225655/mnte-2-pyp-treatment-or-nox4-inhibition-protects-against-radiation-induced-damage-in-mouse-primary-prostate-fibroblasts-by-inhibiting-the-tgf-beta-1-signaling-pathway
#5
Arpita Chatterjee, Elizabeth A Kosmacek, Rebecca E Oberley-Deegan
Prostate cancer patients who undergo radiotherapy frequently suffer from side effects caused by radiation-induced damage to normal tissues adjacent to the tumor. Exposure of these normal cells during radiation treatment can result in tissue fibrosis and cellular senescence, which ultimately leads to postirradiation-related chronic complications including urinary urgency and frequency, erectile dysfunction, urethral stricture and incontinence. Radiation-induced reactive oxygen species (ROS) have been reported as the most potent causative factor for radiation damage to normal tissue...
February 22, 2017: Radiation Research
https://www.readbyqxmd.com/read/28223975/characterization-of-a-novel-polymeric-bioflocculant-produced-from-bacterial-utilization-of-n-hexadecane-and-its-application-in-removal-of-heavy-metals
#6
Mihirjyoti Pathak, Hridip K Sarma, Krishna G Bhattacharyya, Sanjukta Subudhi, Varsha Bisht, Banwari Lal, Arundhuti Devi
A novel polymeric bioflocculant was produced by a bacterium utilizing degradation of n-hexadecane as the energy source. The bioflocculant was produced with a bioflocculating activity of 87.8%. The hydrocarbon degradation was confirmed by gas chromatography-mass spectrometry analysis and was further supported with contact angle measurements for the changes in hydrophobic nature of the culture medium. A specific aerobic degradation pathway followed by the bacterium during the bioflocculant production and hydrocarbon utilization process has been proposed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28223918/rpph1-upregulates-cdc42-expression-and-promotes-hippocampal-neuron-dendritic-spine-formation-by-competing-with-mir-330-5p
#7
Yifei Cai, Ziling Sun, Huizhen Jia, Hongxue Luo, Xiaoyang Ye, Qi Wu, Yi Xiong, Wei Zhang, Jun Wan
Alzheimer's disease (AD) is a heterogeneous neurodegenerative disease. Recent studies employing microRNA-seq and genome-wide sequencing have identified some non-coding RNAs that are influentially involved in AD pathogenesis. Non-coding RNAs can compete with other endogenous RNAs by microRNA response elements (MREs) and manipulate biological processes, such as tumorigenesis. However, only a few non-coding RNAs have been reported in the pathogenesis of AD. In this study, we constructed the first competing endogenous RNA (ceRNA) network leveraging whole transcriptome sequencing and a previously studied microRNA-seq of APPswe/PS1ΔE9 transgenic mice...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28223389/analysis-of-serial-isolates-of-mcr-1-positive-escherichia-coli-reveals-a-highly-active-isapl1-transposon
#8
Erik Snesrud, Ana C Ong, Brendan Corey, Yoon I Kwak, Robert Clifford, Todd Gleeson, Shannon Wood, Timothy J Whitman, Emil P Lesho, Mary Hinkle, Patrick Mc Gann
The emergence of the transferable colistin resistance gene mcr-1 is of global concern. The insertion sequence (IS) Apl1 is a key component in the mobilization of this gene, but its role remains poorly understood.Six Escherichia coli were cultured from the same patient over one month in Germany and the USA after a brief hospitalization in Bahrain for an unconnected illness. Four carried mcr-1 by real-time PCR, but two were negative. Two additional mcr-1-negative E. coli were collected during follow-up surveillance nine months later...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28223222/disrupting-the-key-circadian-regulator-clock-leads-to-age-dependent-cardiovascular-disease
#9
Faisal J Alibhai, Jonathan LaMarre, Cristine J Reitz, Elena V Tsimakouridze, Jeffrey T Kroetsch, Steffen-Sebastian Bolz, Alex Shulman, Samantha Steinberg, Thomas P Burris, Gavin Y Oudit, Tami A Martino
The circadian mechanism underlies daily rhythms in cardiovascular physiology and rhythm disruption is a major risk factor for heart disease and worse outcomes. However, the role of circadian rhythms is generally clinically unappreciated. Clock is a core component of the circadian mechanism and here we examine the role of Clock as a vital determinant of cardiac physiology and pathophysiology in aging. Clock(Δ19/Δ19) mice develop age-dependent increases in heart weight, hypertrophy, dilation, impaired contractility, and reduced myogenic responsiveness...
February 18, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28222961/the-complex-role-of-social-care-services-in-supporting-the-development-of-sustainable-identities-insights-from-the-experiences-of-british-south-asian-women-with-intellectual-disabilities
#10
Kulsoom Jawaid Malik, Gemma Unwin, Michael Larkin, Biza Stenfert Kroese, John Rose
BACKGROUND AND AIMS: Carers and service users with intellectual disabilities from minority ethnic groups have typically been reported to be dissatisfied with the social care services they receive. However, service users themselves have rarely been asked directly about their experiences of social care. This paper aims to understand the meaning of social care services in the lives of South Asian women with intellectual disabilities, in the United Kingdom. METHOD AND PROCEDURE: 10 British South Asian women with mild-moderate intellectual disabilities were interviewed about their experiences of social care services...
February 17, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28222861/flow-cytometry-detection-of-planktonic-cells-with-polycyclic-aromatic-hydrocarbons-sorbed-to-cell-surfaces
#11
Maria I Cerezo, Matthew Linden, Susana Agustí
Polycyclic aromatic hydrocarbons are very important components of oil pollution. These pollutants tend to sorb to cell surfaces, exerting toxic effects on organisms. Our study developed a flow cytometric method for the detection of PAHs sorbed to phytoplankton by exploiting their spectral characteristics. We discriminated between cells with PAHs from cells free of PAHs. Clear discrimination was observed with flow cytometer provided with 375 or 405nm lasers in addition to the standard 488nm laser necessary to identify phytoplankton...
February 17, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28221973/a-bioprocessed-polysaccharide-from-lentinus-edodes-mycelia-cultures-with-turmeric-protects-chicks-from-a-lethal-challenge-of-salmonella-gallinarum
#12
Dalmuri Han, Hyung Tae Lee, June Bong Lee, Yongbaek Kim, Sang Jong Lee, Jang Won Yoon
Our previous studies demonstrated that a bioprocessed polysaccharide (BPP) isolated from Lentinus edodes mushroom mycelia cultures supplemented with black rice bran can protect mice against Salmonella lipopolysaccharide-induced endotoxemia and reduce the mortality from Salmonella Typhimurium infection through upregulated T-helper 1 immunity. Here, we report that a BPP from L. edodes mushroom mycelia liquid cultures supplemented with turmeric (referred to as BPP-turmeric) alters chicken macrophage responses against avian-adapted Salmonella Gallinarum and protects chicks against a lethal challenge from Salmonella Gallinarum...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28220862/induction-of-hair-follicle-dermal-papilla-cell-properties-in-human-induced-pluripotent-stem-cell-derived-multipotent-lngfr-thy-1-mesenchymal-cells
#13
Ophelia Veraitch, Yo Mabuchi, Yumi Matsuzaki, Takashi Sasaki, Hironobu Okuno, Aki Tsukashima, Masayuki Amagai, Hideyuki Okano, Manabu Ohyama
The dermal papilla (DP) is a specialised mesenchymal component of the hair follicle (HF) that plays key roles in HF morphogenesis and regeneration. Current technical difficulties in preparing trichogenic human DP cells could be overcome by the use of highly proliferative and plastic human induced pluripotent stem cells (hiPSCs). In this study, hiPSCs were differentiated into induced mesenchymal cells (iMCs) with a bone marrow stromal cell phenotype. A highly proliferative and plastic LNGFR(+)THY-1(+) subset of iMCs was subsequently programmed using retinoic acid and DP cell activating culture medium to acquire DP properties...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220090/adaptation-and-validation-of-a-chinese-version-of-patient-health-engagement-scale-for-patients-with-chronic-disease
#14
Yaying Zhang, Guendalina Graffigna, Andrea Bonanomi, Kai-Chow Choi, Serena Barello, Pan Mao, Hui Feng
The Patient Health Engagement Scale (PHE-s) was designed to assess the emotional and psychological attitudes of patients' engagement along their healthcare management journey. The aim of this study was to validate a culturally adapted Chinese version of the PHE-s (CPHE-s). Three hundred and seventy-seven participants were recruited from eight community health centers in a sample of patients with chronic disease in Hunan Province, China. The original Italian PHE-s was translated into Mandarin Chinese using a standardized forward-backward translation...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28219677/nsqip-based-quality-improvement-curriculum-for-surgical-residents
#15
Mary M Mrdutt, Claire L Isbell, Justin L Regner, Bonnie R Hodges, Yolanda Munoz Maldonado, J Scott Thomas, Harry T Papaconstantinou
BACKGROUND: General surgery training has historically lacked a standardized approach to resident Quality Improvement (QI) education aside from traditional Morbidity and Mortality conference. In 2013, the Accreditation Council for Graduate Medical Education (ACGME) formalized QI as a component of residency training. Our residency chose the National Surgical Quality Improvement Program (NSQIP) Quality In-Training Initiative (QITI) as the foundation for our QI training. We hypothesized that a focused curriculum based on outcomes would produce change in culture and improve quality of patient care...
February 17, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28219414/severe-skull-base-osteomyelitis-caused-by-pseudomonas-aeruginosa-with-successful-outcome-after-prolonged-outpatient-therapy-with-continuous-infusion-of-ceftazidime-and-oral-ciprofloxacin-a-case-report
#16
Cristina Conde-Díaz, Jara Llenas-García, Mónica Parra Grande, Gertrudis Terol Esclapez, Mar Masiá, Félix Gutiérrez
BACKGROUND: Skull base osteomyelitis is an uncommon disease that usually complicates a malignant external otitis with temporal bone involvement. It affects predominantly diabetic and immunocompromised males and has a high mortality rate. Pseudomonas aeruginosa is the most common causative organism. Currently, there is no consensus about the best therapeutic option. Here we describe a case of severe skull base osteomyelitis caused by Pseudomonas aeruginosa with progressive palsy of cranial nerves that was successfully managed with prolonged outpatient continuous infusion of ceftazidime plus oral ciprofloxacin...
February 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28219403/the-kiva-antibullying-program-in-primary-schools-in-chile-with-and-without-the-digital-game-component-study-protocol-for-a-randomized-controlled-trial
#17
Jorge Gaete, Daniela Valenzuela, Cristian Rojas-Barahona, Eduardo Valenzuela, Ricardo Araya, Christina Salmivalli
BACKGROUND: Bullying is a major problem worldwide and Chile is no exception. Bullying is defined as a systematic aggressive behavior against a victim who cannot defend him or herself. Victims suffer social isolation and psychological maladjustment, while bullies have a higher risk for conduct problems and substance use disorders. These problems appear to last over time. The KiVa antibullying program has been evaluated in Finland and other European countries, showing preventive effects on victimization and self-reported bullying...
February 20, 2017: Trials
https://www.readbyqxmd.com/read/28217696/the-mycobiome-of-the-human-urinary-tract-potential-roles-for-fungi-in-urology
#18
REVIEW
A Lenore Ackerman, David M Underhill
The mycobiome, defined as the fungal microbiota within a host environment, is an important but understudied component of the human microbial ecosystem. New culture-independent approaches to determine microbial diversity, such as next-generation sequencing methods, have discovered specific, characteristic, commensal fungal populations present in different body sites. These studies have also identified diverse patterns in fungal communities associated with various diseases. While alterations in urinary bacterial communities have been noted in disease states, a comprehensive description of the urinary mycobiome has been lacking...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28216898/depolarizing-effects-of-daikenchuto-on-interstitial-cells-of-cajal-from-mouse-small-intestine
#19
Hyungwoo Kim, Hyun Jung Kim, Dongki Yang, Myeong Ho Jung, Byung Joo Kim
BACKGROUND: Daikenchuto (DKT; TJ-100, TU-100), a traditional herbal medicineis used in modern medicine to treat gastrointestinal (GI) functional disorders. Interstitial cells of Cajal (ICCs) are the pacemaker cells of the GI tract and play important roles in the regulation of GI motility. OBJECTIVE: The objective of this study was to investigate the effects of DKT on the pacemaker potentials (PPs) of cultured ICCs from murine small intestine. MATERIALS AND METHODS: Enzymatic digestions were used to dissociate ICCs from mouse small intestine tissues...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216893/effects-of-insecticidal-ketones-present-in-mint-plants-on-gabaa-receptor-from-mammalian-neurons
#20
Mariela Eugenia Sánchez-Borzone, Leticia Delgado Marin, Daniel Asmed García
BACKGROUND: The genus Mentha, an important member of the Lamiaceae family, is represented by many species commonly known as mint. The insecticidal activity of Mentha oil and its main components has been tested and established against various insects/pests. Among these, the ketone monoterpenes that are most common in different Mentha species demonstrated insect toxicity, with pulegone being the most active, followed by carvone and menthone. Considering that the GABAA receptor (GABAA-R) is one of the main insecticide targets on neurons, and that pulegone would modulate the insect GABA system, it may be expected that the insecticidal properties of Mentha ketones are mediated by their interaction with this receptor...
January 2017: Pharmacognosy Magazine
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