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https://www.readbyqxmd.com/read/27911489/palliative-care-interventions-in-advanced-dementia
#1
REVIEW
Edel Murphy, Katherine Froggatt, Sheelah Connolly, Eamon O'Shea, Elizabeth L Sampson, Dympna Casey, Declan Devane
BACKGROUND: Dementia is a chronic, progressive and ultimately fatal neurodegenerative disease. Advanced dementia is characterised by profound cognitive impairment, inability to communicate verbally and complete functional dependence. Usual care of people with advanced dementia is not underpinned universally by a palliative approach. Palliative care has focused traditionally on care of people with cancer but for more than a decade, there have been increased calls worldwide to extend palliative care services to include all people with life-limiting illnesses in need of specialist care, including people with dementia...
December 2, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27911469/comprehensive-identification-and-clustering-of-clv3-esr-related-cle-genes-in-plants-finds-groups-with%C3%A2-potentially-shared-function
#2
David M Goad, Chuanmei Zhu, Elizabeth A Kellogg
CLV3/ESR (CLE) proteins are important signaling peptides in plants. The short CLE peptide (12-13 amino acids) is cleaved from a larger pre-propeptide and functions as an extracellular ligand. The CLE family is large and has resisted attempts at classification because the CLE domain is too short for reliable phylogenetic analysis and the pre-propeptide is too variable. We used a model-based search for CLE domains from 57 plant genomes and used the entire pre-propeptide for comprehensive clustering analysis. In total, 1628 CLE genes were identified in land plants, with none recognizable from green algae...
December 1, 2016: New Phytologist
https://www.readbyqxmd.com/read/27911343/pink1-parkin-and-mitochondrial-quality-control-what-can-we-learn-about-parkinson-s-disease-pathobiology
#3
Dominika Truban, Xu Hou, Thomas R Caulfield, Fabienne C Fiesel, Wolfdieter Springer
The first clinical description of Parkinson's disease (PD) will embrace its two century anniversary in 2017. For the past 30 years, mitochondrial dysfunction has been hypothesized to play a central role in the pathobiology of this devastating neurodegenerative disease. The identifications of mutations in genes encoding PINK1 (PTEN-induced kinase 1) and Parkin (E3 ubiquitin ligase) in familial PD and their functional association with mitochondrial quality control provided further support to this hypothesis. Recent research focused mainly on their key involvement in the clearance of damaged mitochondria, a process known as mitophagy...
November 30, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27911326/localization-and-processing-of%C3%A2-the%C3%A2-amyloid-%C3%AE-protein-precursor-in%C3%A2-mitochondria-associated-membranes
#4
Dolores Del Prete, Jan M Suski, Bénédicte Oulès, Delphine Debayle, Anne Sophie Gay, Sandra Lacas-Gervais, Renaud Bussiere, Charlotte Bauer, Paolo Pinton, Patrizia Paterlini-Bréchot, Mariusz R Wieckowski, Frédéric Checler, Mounia Chami
Alteration of mitochondria-associated membranes (MAMs) has been proposed to contribute to the pathogenesis of Alzheimer's disease (AD). We studied herein the subcellular distribution, the processing, and the protein interactome of the amyloid-β protein precursor (AβPP) and its proteolytic products in MAMs. We reveal that AβPP and its catabolites are present in MAMs in cellular models overexpressing wild type AβPP or AβPP harboring the double Swedish or London familial AD mutations, and in brains of transgenic mice model of AD...
November 26, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911308/the-effects-of-gene-mutations-on%C3%A2-default%C3%A2-mode-network-in%C3%A2-familial%C3%A2-alzheimer-s-disease
#5
Xiaozhen Li, Eric Westman, Steinunn Thordardottir, Anne Kinhult Ståhlbom, Ove Almkvist, Kaj Blennow, Lars-Olof Wahlund, Caroline Graff
Familial Alzheimer's disease (FAD) mutations have very high penetrance but age at onset and rate of disease progression differ. Neuroimaging and cerebrospinal fluid (CSF) examinations in mutation carriers (MCs) may provide an opportunity to identify early biomarkers that can be used to track disease progression from presymptomatic to the dementia stages of disease. The default mode network (DMN) is a resting state neuronal network composed of regions known to associate with amyloid deposition in AD. We hypothesized that functional connectivity in the DMN might change at pre-clinical stages in FAD MCs and correlate with changes in CSF biomarkers as a consequence of AD brain pathology...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911290/rare-genetic-variant-in-sorl1-may-increase-penetrance-of-alzheimer-s-disease-in-a-family-with-several-generations-of-apoe-%C3%A9-4-homozygosity
#6
Eva Louwersheimer, Petra E Cohn-Hokke, Yolande A L Pijnenburg, Marjan M Weiss, Erik A Sistermans, Annemieke J Rozemuller, Marc Hulsman, John C van Swieten, Cock M van Duijn, Frederik Barkhof, Teddy Koene, Philip Scheltens, Wiesje M Van der Flier, Henne Holstege
BACKGROUND: The major genetic risk factor for late onset Alzheimer's disease (AD) is the APOE-ɛ4 allele. However, APOE-ɛ4 homozygosity is not fully penetrant, suggesting co-occurrence of additional genetic variants. OBJECTIVE: To identify genetic factors that, next to APOE-ɛ4 homozygosity, contribute to the development of AD. METHODS: We identified a family with nine AD patients spanning four generations, with an inheritance pattern suggestive of autosomal dominant AD, with no variants in PSEN1, PSEN2, or APP...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911071/severe-brain-injury-in-massachusetts-assessing-the-continuum-of-care
#7
Laura Lorenz, Gabrielle Katz
Acquired brain injury (ABI) is a major public health problem in Massachusetts (Hackman et al, 2014) and includes traumatic brain injury (TBI), stroke, ABI-related infectious diseases, metabolic disorders affecting the central nervous system (brain and spinal cord), and brain tumor. Advances in emergency medical care and neurosurgery mean that more people are surviving severe traumatic brain injury (Trexler et al, 2014). Yet many patients with severe TBI in particular, are not receiving inpatient services after initial treatment (Hackman et al, 2014; CDC, 2014) or later that are known to be effective (Malec & Kean, 2015; Lewis & Horn, 2015; BI Commission, 2011; Kolakowsky-Hayner et al, 2000; Interviews)...
December 10, 2015: Issue Brief
https://www.readbyqxmd.com/read/27910910/genome-wide-characterisation-and-expression-profile-of-the-grapevine-atl-ubiquitin-ligase-family-reveal-biotic-and-abiotic-stress-responsive-and-development-related-members
#8
Pietro Ariani, Alice Regaiolo, Arianna Lovato, Alejandro Giorgetti, Andrea Porceddu, Salvatore Camiolo, Darren Wong, Simone Castellarin, Elodie Vandelle, Annalisa Polverari
The Arabidopsis Tóxicos en Levadura (ATL) protein family is a class of E3 ubiquitin ligases with a characteristic RING-H2 Zn-finger structure that mediates diverse physiological processes and stress responses in plants. We carried out a genome-wide survey of grapevine (Vitis vinifera L.) ATL genes and retrieved 96 sequences containing the canonical ATL RING-H2 domain. We analysed their genomic organisation, gene structure and evolution, protein domains and phylogenetic relationships. Clustering revealed several clades, as already reported in Arabidopsis thaliana and rice (Oryza sativa), with an expanded subgroup of grapevine-specific genes...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910254/identification-and-analysis-of-factors-contributing-to-the-reduction-in-seclusion-and-restraint-for-a-population-with-intellectual-disability
#9
Caroline Larue, Marie-Hélène Goulet, Marie-Josée Prevost, Alexandre Dumais, Jacques Bellavance
BACKGROUND: A cohort of 11 patients with an intellectual disability and a psychiatric diagnosis present severe behavioural disorders in psychiatric hospital of Quebec in 2009. Control-measure use for this clientele has now been reduced. How do management personnel, families and care teams explain the changes? What clinical interventions did management and care providers implement that contributed to the reduction? METHOD: A retrospective case study was conducted...
December 2, 2016: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/27910244/total-syntheses-of-sarcandrolide%C3%A2-j-and-shizukaol%C3%A2-d-lindenane-sesquiterpenoid-4-2-dimers
#10
Changchun Yuan, Biao Du, Heping Deng, Yi Man, Bo Liu
The syntheses of members of a family of lindenane sesquiterpenoid [4+2] dimers led to the total syntheses of sarcandrolide J and shizukaol D. Inspired by a modified biosynthetic pathway, a cascade featuring furan formation/alkene isomerization/Diels-Alder cycloaddition was devised to construct the congested polycyclic architecture of the target molecules with the correct stereochemistry. This study presents a pioneering synthetic entry to this family of natural products and paves the way for fully exploring their biological functions...
December 2, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27909970/over-expression-of-mir158-causes-pollen-abortion-in-brassica-campestris-ssp-chinensis
#11
Zhiming Ma, Jianxia Jiang, Ziwei Hu, Tianqi Lyu, Yang Yang, Jingjing Jiang, Jiashu Cao
We identified and cloned the two precursors of miR158 and its target gene in Brassica campestris ssp. chinensis, which both had high relative expression in the inflorescences. Further study revealed that over-expression of miR158 caused reduced pollen varbility, which was caused by the degradation of pollen contents from the binucleate microspore stage. These results first suggest the role of miR158 in pollen development of Brassica campestris ssp. chinensis. MicroRNAs (miRNAs) play crucial roles in many important growth and development processes both in plants and animals by regulating the expression of their target genes via mRNA cleavage or translational repression...
December 1, 2016: Plant Molecular Biology
https://www.readbyqxmd.com/read/27909912/identification-and-characterization-of-the-lysine-rich-matrix-protein-family-in-pinctada-fucata-indicative-of-roles-in-shell-formation
#12
Jian Liang, Jun Xie, Jing Gao, Chao-Qun Xu, Yi Yan, Gan-Chu Jia, Liang Xiang, Li-Ping Xie, Rong-Qing Zhang
Mantle can secret matrix proteins playing key roles in regulating the process of shell formation. The genes encoding lysine-rich matrix proteins (KRMPs) are one of the most highly expressed matrix genes in pearl oysters. However, the expression pattern of KRMPs is limited and the functions of them still remain unknown. In this study, we isolated and identified six new members of lysine-rich matrix proteins, rich in lysine, glycine and tyrosine, and all of them are basic matrix proteins. Combined with four members of the KRMPs previously reported, all these proteins can be divided into three subclasses according to the results of phylogenetic analyses: KRMP1-3 belong to subclass KPI, KRMP4-5 belong to KPII, and KRMP6-10 belong to KPIII...
December 2, 2016: Marine Biotechnology
https://www.readbyqxmd.com/read/27909848/tissue-resident-natural-killer-cells-in-the-livers
#13
REVIEW
Hui Peng, Zhigang Tian
Nature killer (NK) cells are important lymphocytes of the innate immune system, well known for their pivotal roles in immune surveillance and defense against tumor and virus-infected cells. Current studies have revealed that NK cells are not a homogeneous population, but instead consist of distinct subsets with diverse characteristics. As an organ with predominant innate immunity, the liver is enriched with NK cells, among which two distinct NK cell subsets have recently been identified: conventional NK (cNK) cells and tissue-resident NK (trNK) cells...
November 30, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27909774/evaluation-of-upper-abdominal-organs-with-dwi-in-patients-with-familial-mediterranean-fever
#14
Eda Albayrak, Safak Sahin
PURPOSE: To investigate the diagnostic efficiency of diffusion-weighted magnetic resonance imaging (DWI) for the evaluation of functional changes that can occur in upper abdominal organs in patients with familial Mediterranean fever (FMF). METHODS: The study included 50 controls, 45 patients with FMF, and 14 patients with FMF who had accompanying proteinuria. Measurement of apparent diffusion coefficient (ADC) was performed using DWI sections obtained from liver, spleen, kidney, and pancreas parenchyma with 1...
December 2, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27909744/in-vitro-and-in-vivo-evaluation-of-the-probiotic-attributes-of-lactobacillus-kefiranofaciens-xl10-isolated-from-tibetan-kefir-grain
#15
Zhuqing Xing, Wei Tang, Weitao Geng, Yongna Zheng, Yanping Wang
Lactobacillus kefiranofaciens XL10, with a high yield of extracellular polysaccharide (EPS), is isolated from Tibetan kefir grain and benefits the health of human beings and has been considered to exhibit probiotic potential in vitro and in vivo. The probiotic function of the strain was studied extensively, viz., acid and bile salt tolerances, cell surface hydrophobicity and autoaggregation, the modulation of gut microbiota, and the distribution and colonization of XL10 in the mouse intestinal tract after oral administration...
December 1, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27909690/intellectual-functioning-in-children-with-congenital-heart-defects-treated-with-surgery-or-by-catheter-interventions
#16
Carmen Ryberg, Jan Sunnegårdh, Maria Thorson, Malin Broberg
BACKGROUND: Studies suggest that children with congenital heart defects (CHD) are at risk for adverse intellectual functioning. However, factors related to lower intellectual functioning in this group are largely unknown. This study describes intellectual functioning in children with CHD in relation to severity of the heart defect, the child's age, and the socioeconomic status of the family (SES). METHODS: Two hundred twenty-eight children treated with surgery or by catheter technique were tested using the Wechsler intelligence scales to determine full scale IQ (FSIQ)...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27909445/identification-and-profiling-of-micrornas-expressed-in-elongating-cotton-fibers-using-small-rna-deep-sequencing
#17
Yanmei Wang, Yan Ding, Jin-Yuan Liu
Plant microRNAs (miRNAs) have been shown to play essential roles in the regulation of gene expression. In this study, small RNA deep sequencing was applied to explore novel miRNAs expressed in elongating cotton fibers. A total of 46 novel and 96 known miRNAs, primarily derived from the corresponding specific loci in genome of Gossypium arboreum, were identified. 64 miRNAs were shown to be differentially expressed during the fiber elongation process; 16 were predicted to be novel miRNAs while the remaining 48 belong to known miRNA families...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27909443/mighty-dwarfs-arabidopsis-autoimmune-mutants-and-their-usages-in-genetic-dissection-of-plant-immunity
#18
REVIEW
Rowan van Wersch, Xin Li, Yuelin Zhang
Plants lack the adaptive immune system possessed by mammals. Instead they rely on innate immunity to defend against pathogen attacks. Genomes of higher plants encode a large number of plant immune receptors belonging to different protein families, which are involved in the detection of pathogens and activation of downstream defense pathways. Plant immunity is tightly controlled to avoid activation of defense responses in the absence of pathogens, as failure to do so can lead to autoimmunity that compromises plant growth and development...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27909433/sponge-microbiota-are-a-reservoir-of-functional-antibiotic-resistance-genes
#19
Dennis Versluis, Mari Rodriguez de Evgrafov, Morten O A Sommer, Detmer Sipkema, Hauke Smidt, Mark W J van Passel
Wide application of antibiotics has contributed to the evolution of multi-drug resistant human pathogens, resulting in poorer treatment outcomes for infections. In the marine environment, seawater samples have been investigated as a resistance reservoir; however, no studies have methodically examined sponges as a reservoir of antibiotic resistance. Sponges could be important in this respect because they often contain diverse microbial communities that have the capacity to produce bioactive metabolites. Here, we applied functional metagenomics to study the presence and diversity of functional resistance genes in the sponges Aplysina aerophoba, Petrosia ficiformis, and Corticium candelabrum...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27909410/mechanosensitive-molecular-networks-involved-in-transducing-resistance-exercise-signals-into-muscle-protein-accretion
#20
REVIEW
Emil Rindom, Kristian Vissing
Loss of skeletal muscle myofibrillar protein with disease and/or inactivity can severely deteriorate muscle strength and function. Strategies to counteract wasting of muscle myofibrillar protein are therefore desirable and invite for considerations on the potential superiority of specific modes of resistance exercise and/or the adequacy of low load resistance exercise regimens as well as underlying mechanisms. In this regard, delineation of the potentially mechanosensitive molecular mechanisms underlying muscle protein synthesis (MPS), may contribute to an understanding on how differentiated resistance exercise can transduce a mechanical signal into stimulation of muscle accretion...
2016: Frontiers in Physiology
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