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Yijun Pan, Jennifer L Short, Stephanie A Newman, Kwok H C Choy, Durgesh Tiwari, Christopher Yap, Danielle Senyschyn, William A Banks, Joseph A Nicolazzo
Epidemiological evidence suggests that people with bipolar disorder prescribed lithium exhibit a lower risk of Alzheimer's disease (AD) relative to those prescribed other mood-stabilizing medicines. Lithium chloride (LiCl) reduces brain β-amyloid (Aβ) levels, and the brain clearance of Aβ is reduced in AD. Therefore, the purpose of this study was to assess whether the cognitive benefits of LiCl are associated with enhanced brain clearance of exogenously-administered Aβ. The brain clearance of intracerebroventricularly (icv) administered125 I-Aβ42 was assessed in male Swiss outbred mice administered daily oral NaCl or LiCl (300 mg/kg for 21 days)...
March 12, 2018: Brain, Behavior, and Immunity
Alberto Gómez, Manuel Nieto-Díaz, Ángela Del Águila, Enrique Arias
Transparency in science is increasingly a hot topic. Scientists are required to show not only results but also evidence of how they have achieved these results. In experimental studies of spinal cord injury, there are a number of standardized tests, such as the Basso-Beattie-Bresnahan locomotor rating scale for rats and Basso Mouse Scale for mice, which researchers use to study the pathophysiology of spinal cord injury and to evaluate the effects of experimental therapies. Although the standardized data from the Basso-Beattie-Bresnahan locomotor rating scale and the Basso Mouse Scale are particularly suited for storage and sharing in databases, systems of data acquisition and repositories are still lacking...
March 2, 2018: Computers in Biology and Medicine
Lisa Blom, Lucie Laflamme, Helle Mölsted Alvesson
BACKGROUND: Image-based teleconsultation between medical experts and healthcare staff at remote emergency centres can improve the diagnosis of conditions which are challenging to assess. One such condition is burns. Knowledge is scarce regarding how medical experts perceive the influence of such teleconsultation on their roles and relations to colleagues at point of care. METHODS: In this qualitative study, semi-structured interviews were conducted with 15 medical experts to explore their expectations of a newly developed App for burns diagnostics and care prior to its implementation...
2018: PloS One
John R Apps, Gabriela Carreno, Jose Mario Gonzalez-Meljem, Scott Haston, Romain Guiho, Julie E Cooper, Saba Manshaei, Nital Jani, Annett Hölsken, Benedetta Pettorini, Robert J Beynon, Deborah M Simpson, Helen C Fraser, Ying Hong, Shirleen Hallang, Thomas J Stone, Alex Virasami, Andrew M Donson, David Jones, Kristian Aquilina, Helen Spoudeas, Abhijit R Joshi, Richard Grundy, Lisa C D Storer, Márta Korbonits, David A Hilton, Kyoko Tossell, Selvam Thavaraj, Mark A Ungless, Jesus Gil, Rolf Buslei, Todd Hankinson, Darren Hargrave, Colin Goding, Cynthia L Andoniadou, Paul Brogan, Thomas S Jacques, Hywel J Williams, Juan Pedro Martinez-Barbera
Adamantinomatous craniopharyngiomas (ACPs) are clinically challenging tumours, the majority of which have activating mutations in CTNNB1. They are histologically complex, showing cystic and solid components, the latter comprised of different morphological cell types (e.g. β-catenin-accumulating cluster cells and palisading epithelium), surrounded by a florid glial reaction with immune cells. Here, we have carried out RNA sequencing on 18 ACP samples and integrated these data with an existing ACP transcriptomic dataset...
March 14, 2018: Acta Neuropathologica
Charles J Fountaine, Emily J Springer, Jasmine R Sward
Since its debut in July 2016, Pokémon GO has been a wildly popular mobile gaming app. In contrast to many previous apps, Pokémon GO requires the user to be physically active. However, the extent to which Pokémon GO contributes to physical activity is unknown. Therefore, the purpose of this study was to investigate the physical activity profile of playing Pokémon GO for 60 minutes in recreationally active college students. College students (n=27, n=19 female) were fitted with an accelerometer, pedometer, and heart rate monitor to assess the activity demands during a 60-min bout of Pokémon GO...
2018: International Journal of Exercise Science
Zhuo Wang, Ya-Hong Zhang, Chuang Guo, Hui-Ling Gao, Man-Li Zhong, Ting-Ting Huang, Na-Na Liu, Rui-Fang Guo, Tian Lan, Wei Zhang, Zhan-You Wang, Pu Zhao
Although the positive relationship between copper and Alzheimer's disease (AD) was reported by a lot of epidemiological data, the mechanism is not completely known. Copper is a redox metal and serves as a mediator of inflammation. Because the homeostasis of copper is altered in Aβ precursor protein (APP) and presenilin 1 (PS1) transgenic (Tg) mice, the using of copper chelators is a potential therapeutic strategy for AD. Here we report that a copper chelator, tetrathiomolybdate (TM), is a potential therapeutic drug of AD...
2018: Frontiers in Aging Neuroscience
Marisa E Hilliard, Sahar S Eshtehardi, Charles G Minard, Rana Saber, Debbe Thompson, Lefkothea P Karaviti, Yuliana Rojas, Barbara J Anderson
BACKGROUND: Supportive parent involvement for adolescents' type 1 diabetes (T1D) self-management promotes optimal diabetes outcomes. However, family conflict is common and can interfere with collaborative family teamwork. Few interventions have used explicitly strengths-based approaches to help reinforce desired management behaviors and promote positive family interactions around diabetes care. OBJECTIVE: The aim of this protocol was to describe the development of a new, strengths-based behavioral intervention for parents of adolescents with T1D delivered via a mobile-friendly Web app called Type 1 Doing Well...
March 13, 2018: JMIR Research Protocols
Zubair Khan, Umar Darr, Muhammad Ali Khan, Mohamad Nawras, Basmah Khalil, Yousef Abdel-Aziz, Yaseen Alastal, William Barnett, Thomas Sodeman, Ali Nawras
BACKGROUND: Colorectal cancer (CRC) is the third most common type of cancer and the second leading cause of cancer death in the United States. About one in three adults in the United States is not getting the CRC screening as recommended. Internal medicine residents are deficient in CRC screening knowledge. OBJECTIVE: The objective of our study was to assess the improvement in internal medicine residents' CRC screening knowledge via a pilot approach using a smartphone app...
March 13, 2018: JMIR Medical Education
Marion Waite, Clare Martin, Rachel Franklin, David Duce, Rachel Harrison
BACKGROUND: People with type 1 diabetes (T1D) undertake self-management to prevent short and long-term complications. Advanced technology potentially supports such activities but requires consideration of psychological and behavioral constructs and usability issues. Economic factors and health care provider capacity influence access and uptake of advanced technology. Previous reviews have focused upon clinical outcomes or were descriptive or have synthesized studies on adults with those on children and young people where human factors are different...
March 15, 2018: JMIR Human Factors
Laura M König, Gudrun Sproesser, Harald T Schupp, Britta Renner
BACKGROUND: Although mobile technologies such as smartphone apps are promising means for motivating people to adopt a healthier lifestyle (mHealth apps), previous studies have shown low adoption and continued use rates. Developing the means to address this issue requires further understanding of mHealth app nonusers and adoption processes. This study utilized a stage model approach based on the Precaution Adoption Process Model (PAPM), which proposes that people pass through qualitatively different motivational stages when adopting a behavior...
March 13, 2018: JMIR MHealth and UHealth
Guangmin Zhou, Kai Liu, Yanchen Fan, Mengqi Yuan, Bofei Liu, Wei Liu, Feifei Shi, Yayuan Liu, Wei Chen, Jeffrey Lopez, Denys Zhuo, Jie Zhao, Yuchi Tsao, Xuanyi Huang, Qianfan Zhang, Yi Cui
Lithium-sulfur (Li-S) batteries are regarded as promising next-generation high energy density storage devices for both portable electronics and electric vehicles due to their high energy density, low cost, and environmental friendliness. However, there remain some issues yet to be fully addressed with the main challenges stemming from the ionically insulating nature of sulfur and the dissolution of polysulfides in electrolyte with subsequent parasitic reactions leading to low sulfur utilization and poor cycle life...
February 28, 2018: ACS Central Science
Frank Matthes, Moritz M Hettich, Judith Schilling, Diana Flores-Dominguez, Nelli Blank, Thomas Wiglenda, Alexander Buntru, Hanna Wolf, Stephanie Weber, Ina Vorberg, Alina Dagane, Gunnar Dittmar, Erich Wanker, Dan Ehninger, Sybille Krauss
Alzheimer's disease (AD) is characterized by two neuropathological hallmarks: senile plaques, which are composed of amyloid-β (Aβ) peptides, and neurofibrillary tangles, which are composed of hyperphosphorylated tau protein. Aβ peptides are derived from sequential proteolytic cleavage of the amyloid precursor protein (APP). In this study, we identified a so far unknown mode of regulation of APP protein synthesis involving the MID1 protein complex: MID1 binds to and regulates the translation of APP mRNA...
December 2018: Cell Death Discovery
J Chung, G Phukan, D Vergote, A Mohamed, M Maulik, M Stahn, R J Andrew, G Thinakaran, E Posse de Chaves, S Kar
Amyloid β (Aβ) peptide derived from amyloid precursor protein (APP) plays a critical role in the development of Alzheimer's disease. Current evidence indicates that altered levels/subcellular distribution of cholesterol can regulate Aβ production/clearance, but it remains unclear how cholesterol sequestration within the endosomal-lysosomal (EL) system can influence APP metabolism. Thus, we evaluated the effects of U18666A, which triggers cholesterol redistribution within EL system, on mouse N2a cells expressing different levels of APP in the presence or absence of extracellular cholesterol/lipids provided by fetal bovine serum (FBS)...
March 12, 2018: Molecular and Cellular Biology
Laura Jane Bry, Tommy Chou, Elizabeth Miguel, Jonathan S Comer
Anxiety disorders are collectively the most prevalent mental health problems affecting youth. To increase the reach of mental health care, recent years have seen increasing enthusiasm surrounding mobile platforms for expanding treatment delivery options. Apps developed in academia and supported in clinical trials are slow to reach the consumer marketplace. Meanwhile, proliferation of industry-developed apps on consumer marketplaces has been high. The present study analyzed content within mobile products prominently marketed toward consumers for anxiety in youth...
March 2018: Behavior Therapy
Lara B McKenzie, Kristin J Roberts, Roxanne Clark, Rebecca McAdams, Mahmoud Abdel-Rasoul, Elizabeth G Klein, Sarah A Keim, Orie Kristel, Alison Szymanski, Christopher G Cotton, Wendy C Shields
BACKGROUND: Many unintentional injuries that occur in and around the home can be prevented through the use of safety equipment and by consistently following existing safety recommendations. Unfortunately, uptake of these safety behaviors is unacceptably low. This paper describes the design of the Make Safe Happen® smartphone application evaluation study, which aims to evaluate a mobile technology-based safety behavior change intervention on parents' safety knowledge and actions. METHODS: Make Safe Happen® app evaluation study is a randomized controlled trial...
March 12, 2018: Injury Epidemiology
Jianli Feng, Lingling Dong, Jing Zhang, Xiaolei Han, Shi Tang, Lin Song, Lin Cong, Xiang Wang, Yongxiang Wang, Yifeng Du
KIBRA has been recognized as a memory-related gene, which is abundant in the brain and kidney of mammals. However, the expression pattern of KIBRA in the "second brain"-enteric nervous system (ENS) is still unknown, especially in neurodegenerative disorders. In this study, we aimed to investigate the detailed expression pattern of KIBRA in the intestinal myenteric nerve plexus of APP/PS1 and wild type mice by whole mount staining technology. The deposition of Aβ and increased levels of phosphorylated Tau (p-Tau) and total Tau (T-Tau) protein were observed in the intestinal myenteric nerve plexus of APP/PS1 mice...
March 8, 2018: Neuroscience Letters
Eugenio Parente, Teresa Zotta, Karoline Faust, Francesca De Filippis, Danilo Ercolini
The structure of microbial association networks was investigated for seventeen studies on food bacterial communities using the CoNet app. The results were compared with those for host and environmental microbiomes. Microbial association networks of food bacterial communities shared several properties with those of host microbiomes, although they were less complex and lacked a scale-free, small world structure that is characteristic of environmental microbial communities. This may depend on both the initial contamination pattern, whose main source is the raw material microbiome, and on the copiotrophic nature of food environments, with lack of well defined, specific niches...
August 2018: Food Microbiology
Sanye Soroldoni, Ítalo Braga Castro, Fiamma Abreu, Fabio Andrei Duarte, Rodrigo Brasil Choueri, Osmar Olinto Möller, Gilberto Fillmann, Grasiela Lopes Leães Pinho
Sources, occurrence, composition and dynamics of antifouling paint particles (APPs) were assessed in Patos Lagoon estuary (PLE), Southern Brazil. Ten areas including boatyards, a marina and artisanal fishing harbors were identified in the estuarine system as potential sources of APPs. The APPs generated in these areas were highly heterogeneous considering the size, shape and composition. Based on an estimate of antifouling paint usage and amount of boats in each studied area, artisanal fishing harbors could be the main source of particles to PLE...
March 2, 2018: Water Research
Lisa Seipold, Hermann Altmeppen, Tomas Koudelka, Andreas Tholey, Petr Kasparek, Radislav Sedlacek, Michaela Schweizer, Julia Bär, Marina Mikhaylova, Markus Glatzel, Paul Saftig
A disintegrin and metalloproteinase 10 (ADAM10) plays a major role in the ectodomain shedding of important surface molecules with physiological and pathological relevance including the amyloid precursor protein (APP), the cellular prion protein, and different cadherins. Despite its therapeutic potential, there is still a considerable lack of knowledge how this protease is regulated. We have previously identified tetraspanin15 (Tspan15) as a member of the TspanC8 family to specifically associate with ADAM10...
March 8, 2018: Cellular and Molecular Life Sciences: CMLS
Marion T Turnbull, Zoran Boskovic, Elizabeth J Coulson
Degeneration of basal forebrain cholinergic neurons (BFCNs) precedes hippocampal degeneration and pathological amyloid-beta (Aβ) accumulation, and underpins the development of cognitive dysfunction in sporadic Alzheimer's disease (AD). We hypothesized that degeneration of BFCNs causes a decrease in neurotrophin levels in innervated brain areas, which in turn promotes the development of Aβ pathology and cognitive impairment. Here we show that lesion of septo-hippocampal BFCNs in a pre-symptomatic transgenic amyloid AD mouse model (APP/PS1 mice) increases soluble Aβ levels in the hippocampus, and induces cognitive deficits in a spatial memory task that are not seen in either unlesioned APP/PS1 or non-transgenic littermate control mice...
2018: Frontiers in Molecular Neuroscience
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