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https://www.readbyqxmd.com/read/28938597/3-decylcatechol-induces-autophagy-mediated-cell-death-through-the-ire1%C3%AE-jnk-p62-in-hepatocellular-carcinoma-cells
#1
Da-Hye Go, Yu Geon Lee, Da-Hye Lee, Jin-A Kim, In-Hwa Jo, Yeon Soo Han, Yong Hun Jo, Kwang-Youn Kim, Young-Kyo Seo, Jae-Hak Moon, Chang Hwa Jung, Tae-Il Jeon
The natural, phenolic lipid urushiol exhibits both antioxidant and anticancer activities; however, its biological activity on hepatocellular carcinoma (HCC) has not been previously investigated. Here, we demonstrate that an urushiol derivative, 3-decylcatechol (DC), induces human HCC Huh7 cell death by induction of autophagy. DC initiates the autophagic process by activation of the mammalian target of rapamycin signaling pathway via Unc-51-like autophagy activating kinase 1, leading to autophagosome formation...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938393/ilizarov-treatment-protocols-in-the-management-of-infected-nonunion-of-the-tibia
#2
Martin McNally, Jamie Ferguson, Raj Kugan, David Stubbs
OBJECTIVES: We present a treatment algorithm comprising 4 Ilizarov methods in managing infected tibial nonunion, using nonunion mobility and segmental defect size to govern treatment choice. DESIGN: Decision protocol analysis study. SETTING: A university-affiliated teaching hospital. PATIENTS/PARTICIPANTS: Seventy-nine patients were treated with 1 of 4 Ilizarov protocols. All patients had undergone at least one previous operation, 38 had associated limb deformity, and 49 had nonviable nonunions...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938290/body-composition-changes-in-severely-burned-children-during-icu-hospitalization
#3
Janos Cambiaso-Daniel, Ioannis Malagaris, Eric Rivas, Gabriel Hundeshagen, Charles D Voigt, Elizabeth Blears, Ron P Mlcak, David N Herndon, Celeste C Finnerty, Oscar E Suman
OBJECTIVES: Prolonged hospitalization due to burn injury results in physical inactivity and muscle weakness. However, how these changes are distributed among body parts is unknown. The aim of this study was to evaluate the degree of body composition changes in different anatomical regions during ICU hospitalization. DESIGN: Retrospective chart review. SETTING: Children's burn hospital. PATIENTS: Twenty-four severely burned children admitted to our institution between 2000 and 2015...
September 21, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28938052/effectiveness-of-tb-sensitization-initiatives-in-improving-the-involvement-of-self-help-group-members-in-rural-tb-control-in-south-india
#4
Beena Thomas, B Priscilla Rebecca, A Dhanalakshmi, S Rani, A Deepa Lakshmi, Basilea Watson, R Vijayalakshmi, M Muniyandi, N Karikalan
Background: The 'End TB strategy' has highlighted the importance of inter-sectoral collaboration and community mobilization for achieving zero TB deaths by 2020. Objective: The aim of the study was to develop and test a model TB sensitization programme involving self help groups (SHGs). Methodology: This experimental study was conducted in two blocks (intervention and control), in Tiruvallur district. The intervention content included short-lecture, musical story telling activity, role play, short film on TB...
December 1, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28937962/portable-functional-neuroimaging-as-an-environmental-epidemiology-tool-a-how-to-guide-for-the-use-of-fnirs-in-field-studies
#5
Joseph M Baker, Daniel Rojas-Valverde, Randall Gutiérrez, Mirko Winkler, Samuel Fuhrimann, Brenda Eskenazi, Allan L Reiss, Ana M Mora
The widespread application of functional neuroimaging within the field of environmental epidemiology has the potential to greatly enhance our understanding of how environmental toxicants affect brain function. Because many epidemiological studies take place in remote and frequently changing environments, it is necessary that the primary neuroimaging approach adopted by the epidemiology community be robust to many environments, easy to use, and, preferably, mobile. Here, we outline our use of functional near-infrared spectroscopy (fNIRS) to collect functional brain imaging data from Costa Rican farm workers enrolled in an epidemiological study on the health effects of chronic pesticide exposure...
September 21, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28937931/design-and-development-of-a-mobile-exercise-application-for-home-care-aides-and-older-adult-medicaid-home-and-community-based-clients
#6
Margaret Danilovich, Laura Diaz, Gustavo Saberbein, William Healey, Gail Huber, Daniel Corcos
We describe a community-engaged approach with Medicaid Home and Community-Based Services (HCBS) home care aide (HCA), client, and physical therapist stakeholders to develop a mobile application (app) exercise intervention through focus groups and interviews. Participants desired a short exercise program with modification capabilities, goal setting, and mechanisms to track progress. Concerns regarding participation were training needs and feasibility within usual care services. Technological preferences were for simple, easy-to-use, and engaging content...
September 22, 2017: Home Health Care Services Quarterly
https://www.readbyqxmd.com/read/28937923/psychological-factors-in-chronic-edema-a-case-control-study
#7
Christine J Moffatt, Aimee Aubeeluck, Peter J Franks, Debra C Doherty, Peter Mortimer, Isabelle Quere
BACKGROUND: To examine psychological health and perceived social support in patients with chronic edema (CE). METHODS AND RESULTS: A random sample of 107 patients with CE was group matched for age and gender with 102 community controls. The cases had swelling of the arm (38%) and leg (61%) and midline swelling (14%). Cases were more likely to be single or divorced/separated (p = 0.041) and have reduced mobility (p < 0.001). They had significantly poorer overall health related quality of life (HRQoL), in particular physical functioning (p = 0...
September 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28937849/neurodynamic-mobilization-in-a-collegiate-long-jumper-with-exercise-induced-lateral-leg-and-ankle-pain-a-case-report
#8
Terry Cox, Tom Sneed, Herb Hamann
STUDY DESIGN: Case Report. BACKGROUND: The purpose of this case report is to describe nerve mobilization in the treatment of lower extremity neuropathic pain in a female collegiate long jumper. CASE DESCRIPTION: A 21 year-old long jumper presented 7 months after onset of ankle and leg pain. She complained of "aching" pain over the lateral ankle, radiating proximally to just superior to the lateral knee. Neurodynamic testing of the sural and superficial branch of the fibular nerves was positive...
September 22, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28937409/development-and-feasibility-of-self-management-application-in-left-ventricular-assist-devices
#9
Jesus M Casida, James E Aikens, Heidi Craddock, Matthew W Aldrich, Francis D Pagani
Despite major advancements in mechanical circulatory support, the self-management (SM) for patients with a left-ventricular assist device (LVAD) remains complex and challenging for patients and their caregivers. We have developed a mobile phone application (VAD Care App) to organize and simplify the LVAD SM process. This article describes the development and feasibility study of the app as an SM tool for LVAD patients and caregivers requiring support from ventricular assist device (VAD) coordinators. The specific aim was to evaluate the app's acceptability and usability and the users' competency...
September 20, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28937325/revascularization-of-the-upper-posterior-circulation-with-the-anterior-temporal-artery-an-anatomical-feasibility-study
#10
Ali Tayebi Meybodi, Michael T Lawton, Dylan Griswold, Pooneh Mokhtari, Andre Payman, Halima Tabani, Sonia Yousef, Arnau Benet
OBJECTIVE In various disease processes, including unclippable aneurysms, a bypass to the upper posterior circulation (UPC) including the superior cerebellar artery (SCA) and posterior cerebral artery (PCA) may be needed. Various revascularization options exist, but the role of intracranial (IC) donors has not been scrutinized. The objective of this study was to evaluate the anatomical feasibility of utilizing the anterior temporal artery (ATA) for revascularization of the UPC. METHODS ATA-SCA and ATA-PCA bypasses were performed on 14 cadaver specimens...
September 22, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28937222/variable-lysozyme-transport-dynamics-on-oxidatively-functionalized-polystyrene-films
#11
Nicholas Anthony Moringo, Hao Shen, Lawrence J Tauzin, Wenxiao Wang, Logan D C Bishop, Christy F Landes
Tuning protein adsorption dynamics at polymeric interfaces is of great interest to many biomedical and material applications. Functionalization of polymer surfaces is a common method to introduce application specific surface chemistries to a polymer interface. In this work single molecule fluorescence microscopy is utilized to determine the adsorption dynamics of lysozyme, a well-studied antibacterial protein, at the interface of polystyrene oxidized via UV exposure, oxygen plasma, and functionalized by ligand grafting to produce varying degrees of surface hydrophilicity, surface roughness, and induced oxygen content...
September 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28937211/asymmetric-conjugated-molecules-based-on-1-benzothieno-3-2-b-1-benzothiophene-for-high-mobility-organic-thin-film-transistors-influence-of-alkyl-chain-length
#12
Keqiang He, Weili Li, Hongkun Tian, Jidong Zhang, Donghang Yan, Yanhou Geng, Fosong Wang
We herein report the synthesis and characterization of a series of [1]benzothieno[3,2-b][1]benzothiophene (BTBT)-based asymmetric conjugated molecules, i.e., 2-(5-alkylthiophen-2-yl)[1]benzothieno[3,2-b][1]benzothiophene (BTBT-Tn, in which T and n represent thiophene and the number of carbons in the alkyl group, respectively). All the molecules with n ≥ 4 show mesomorphism and display smectic A, smectic B (n = 4) or smectic E (n > 4) phases and then crystalline phases in succession upon cooling from the isotropic state...
September 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28937205/electrospun-p-type-nickel-oxide-semiconducting-nanowires-for-low-voltage-field-effect-transistors
#13
Ao Liu, You Meng, Huihui Zhu, Yong-Young Noh, Guoxia Liu, Fukai Shan
One-dimensional metal-oxide nanowires are regarded as important building blocks in nanoscale electronics due to their unique mechanical and electrical properties. In this work, p-type nickel oxide nanowires (NiO NWs) were fabricated by combining sol-gel and electrospinning processes. The polyvinylpyrrolidone (PVP) with 1,300,000 molecular weight was used as the polymer matrix to increase the viscosity of NiO precursor solution. The formation and properties of the as-spun NiO/PVP composite NWs before/after calcination treatment were investigated using various techniques...
September 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28937154/structural-basis-of-interstrand-cross-link-repair-by-o-6-alkylguanine-dna-alkyltransferase
#14
Alexey Y Denisov, Francis P McManus, Derek K O'Flaherty, Anne M Noronha, Christopher J Wilds
DNA interstrand cross-links (ICL) are among the most cytotoxic lesions found in biological systems. O(6)-Alkylguanine DNA alkyltransferases (AGTs) are capable of removing alkylation damage from the O(6)-atom of 2'-deoxyguanosine and the O(4)-atom of thymidine. Human AGT (hAGT) has demonstrated the ability to repair an interstrand cross-linked duplex where two O(6)-atoms of 2'-deoxyguanosine were tethered by a butylene (XLGG4) or heptylene (XLGG7) linkage. However, the analogous ICL between the O(4)-atoms of thymidine was found to evade repair...
September 22, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28937044/priming-of-the-cells-hypoxic-preconditioning-for-stem-cell-therapy
#15
REVIEW
Zheng Z Wei, Yan-Bing Zhu, James Y Zhang, Myles R McCrary, Song Wang, Yong-Bo Zhang, Shan-Ping Yu, Ling Wei
OBJECTIVE: Stem cell-based therapies are promising in regenerative medicine for protecting and repairing damaged brain tissues after injury or in the context of chronic diseases. Hypoxia can induce physiological and pathological responses. A hypoxic insult might act as a double-edged sword, it induces cell death and brain damage, but on the other hand, sublethal hypoxia can trigger an adaptation response called hypoxic preconditioning or hypoxic tolerance that is of immense importance for the survival of cells and tissues...
October 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28936927/-you-ve-gotta-be-that-tough-crust-exterior-man-depression-and-suicide-in-rural-based-men
#16
Genevieve Creighton, John Oliffe, John Ogrodniczuk, Blye Frank
Suicide rates in Canada are highest among rural men. Drawing on photovoice interviews with 13 women and two men living in a small rural Canadian town who lost a man to suicide, we inductively derived three themes to describe how contextual factors influence rural men's experiences of depression and responses to suicidal thoughts: (a) hiding depression and its cause, (b) manly self-medicating, and (c) mobilizing prevention. Further discussed is how gender relations and ideals of masculinity within rural milieu can inhibit men's acknowledgment of and help seeking for mental illness issues...
October 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28936868/a-microwave-flow-detector-for-gradient-elution-liquid-chromatography
#17
Duye Ye, Weizheng Wang, David Moline, Md Saiful Islam, Feng Chen, Pingshan Wang
This study presents a microwave flow detector for liquid chromatography (LC) applications. The detector is based on a tunable microwave interferometer (MIM) with a vector network analyzer (VNA) for signal measurement and a computer for system control. A microstrip-line based flow cell with a volume of ~0.31 μL was built and incorporated in the MIM. With syringe pump injections, the detector is evaluated by measuring a few common chemicals in DI water at multiple frequencies between 0.98 GHz and 7.09 GHz and shows a minimum detectable quantity (MDQ) of less than 30 ng...
September 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28936848/-simultaneous-determination-of-seven-alkaloids-and-three-flavonoids-in-sophorae-tonkinensis-radix-et-rhizoma-by-hplc
#18
Fu-Man Han, Li-Xin Wang, Ying Chen, Liang-Mian Chen, Wei-Hong Feng, Jin-Yu Wang, De-Wen Liu, Yun You, Yan Tong
In this study, an HPLC method was developed for simultaneous determination of seven alkaloids (cytosine, oxymatrine, N-oxysophocarpine, N-methylcytisine, sophoranol, matrine, and sophocarpine) and three flavonoids (trifolirhizin, fermononetin, and maackiain) from different samples of Sophorae Tonkinensis Radix et Rhizoma. Samples were analyzed on a Welch XtimateTM C₁₈ column (4. 6 mm× 250 mm, 5 μm) eluted with the mobile phase of acetonitrile (A) and 0.01 mol•L⁻¹ ammonium acetate solution (pH 8.0) (B) in a linear gradient mode as follows: 0-20 min,4%-14% A;20-30 min,14%-25% A;30-45 min,25%-40% A;45-65 min,40%-55% A;65-75 min,55% A...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936842/-rapid-analysis-on-chemical-constituents-in-yinyanghuo-zonghuangtong-capsule-by-uplc-q-tof-ms-ms
#19
Xue-E Yu, Jian-Ping Qin, Jia-Chun Li, Wen-Zhe Huang, Zhen-Zhong Wang, Wei Xiao
To analyze and identify the chemical constituents from Yinyanghuo Zonghuangtong capsule by using UPLC/Q-TOF-MS/MS. Chromatographic separation was carried out on an Agilent SB-C₁₈ column (2.1 mm×100 mm, 1.8 μm) at the temperature of 30 ℃. The mobile phase was 0.1% formic acid and acetonitrile by gradient elution, with a flow rate at 0.30 mL•min⁻¹, and the injection volume of 2 μL. The MS spectrum was acquired in both negative and positive ion modes using ESI ion source. Based on relative accurate molecular weight, secondary mass spectrometry pyrolysis fragments and chromatographic peak retention time, as well as fragmentation regularity summarized from reference substance and the literature, we could effectively identify the chemical structure of the components under test...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936841/-determination-of-six-alkaloids-in-six-types-of-coptidis-rhizoma-pieces-by-rp-hplc-and-spectrum-effect-relationships-with-anti-diabetes-pharmacodynamics-data
#20
Xian-Rong Lai, Bang-Hua Zhou, Ming-Sheng Du, Hai-Jie Zheng, Zhi-Peng Geng, Jia-Chuan Li, Xian-Li Meng, Yi Zhang, Jing Zhang
To establish a method for determining the contents of six alkaloids (jatrorrhizine hydrochloride, columbamine hydrochloride, epiberberine hydrochloride, coptisine hydrochloride, palmatine hydrochloride, berberine hydrochloride) in six types of Coptidis Rhizoma pieces (crude pieces, ginger juice stir-fried pieces, vinegar stir-fried pieces, wine steamed pieces, wine stir-fried pieces, evodiae juice stir-fried pieces) by RP-HPLC, and explore the relationship with the curative effect of traditional Chinese medicine (TCM) and pharmacodynamics results...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
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