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https://www.readbyqxmd.com/read/28128456/pharmacological-inhibition-of-complement-c5a-c5ar1-signalling-ameliorates-disease-pathology-in-the-hsod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis
#1
John D Lee, Vinod Kumar, Jenny Nt Fung, Marc J Ruitenberg, Peter G Noakes, Trent M Woodruff
BACKGROUND AND PURPOSE: Amyotrophic lateral sclerosis (ALS) is a fatal and rapidly progressing motor neuron disease without effective treatment. The complement system is upregulated in ALS, with recent studies indicating that the activation product C5a may accelerate disease progression via its receptor, C5aR1. We therefore aimed to examine the therapeutic effect of C5aR1 antagonism in hSOD1(G93A) mice, the most widely used preclinical model of ALS. EXPERIMENTAL APPROACH: The selective and orally active C5aR1 antagonist, PMX205, was administered to hSOD1(G93A) mice via their drinking water, both pre- and post-disease onset...
January 27, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28094058/association-between-dietary-patterns-cadmium-intake-and-chronic-kidney-disease-among-adults
#2
Zumin Shi, Anne W Taylor, Malcolm Riley, Julie Byles, Jianghong Liu, Manny Noakes
BACKGROUND & AIMS: Almost one in ten Chinese adults has chronic kidney disease (CKD). However, the link between dietary patterns, dietary cadmium intake and CKD has not been studied in China. METHOD: Adults (n = 8429) in the China Health and Nutrition Survey who had at least one 3-day 24 h food record in combination with household food inventory in 1991, 1993, 1997, 2000, 2004, 2006, and 2009 and estimated glomerular filtration rate (eGFR) measured in 2009. Dietary pattern was identified using factor analysis...
January 7, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28075355/the-csiro-healthy-diet-score-an-online-survey-to-estimate-compliance-with-the-australian-dietary-guidelines
#3
Gilly A Hendrie, Danielle Baird, Rebecca K Golley, Manny Noakes
There are few dietary assessment tools that are scientifically developed and freely available online. The Commonwealth Scientific and Industrial Research Organisation (CSIRO) Healthy Diet Score survey asks questions about the quantity, quality, and variety of foods consumed. On completion, individuals receive a personalised Diet Score-reflecting their overall compliance with the Australian Dietary Guidelines. Over 145,000 Australians have completed the survey since it was launched in May 2015. The average Diet Score was 58...
January 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28074293/-management-of-noak-administration-during-invasive-or-surgical-interventions-when-and-how-to-pause-and-when-to-restart
#4
M Buerke, H M Hoffmeister
Many patients under oral anticoagulation therapy need percutaneous or surgical interventions/operations. For vitamin K antagonists (VKA), there are recommendations regarding preoperative or postoperative administration. Management of the new oral anticoagulants (NOAC) was supposed to be easier - but some aspects must be considered. Due to the different pharmacokinetic profiles of substances such as dabigatran, rivaroxaban, apixaban, and edoxaban, different recommendations are given.Upon periprocedural management, thromboembolic risk has to be considered in patients treated with NOACs...
January 10, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/28053201/evidence-that-supports-the-prescription-of-low-carbohydrate-high-fat-diets-a-narrative-review
#5
Timothy David Noakes, Johann Windt
Low-carbohydrate high-fat (LCHF) diets are a highly contentious current topic in nutrition. This narrative review aims to provide clinicians with a broad overview of the effects of LCHF diets on body weight, glycaemic control and cardiovascular risk factors while addressing some common concerns and misconceptions. Blood total cholesterol and LDL-cholesterol concentrations show a variable, highly individual response to LCHF diets, and should be monitored in patients adhering to this diet. In contrast, available evidence from clinical and preclinical studies indicates that LCHF diets consistently improve all other markers of cardiovascular risk-lowering elevated blood glucose, insulin, triglyceride, ApoB and saturated fat (especially palmitoleic acid) concentrations, reducing small dense LDL particle numbers, glycated haemoglobin (HbA1c) levels, blood pressure and body weight while increasing low HDL-cholesterol concentrations and reversing non-alcoholic fatty liver disease (NAFLD)...
January 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28007901/a-rat-model-of-ataxia-telangiectasia-evidence-for-a-neurodegenerative-phenotype
#6
Hazel Quek, John Luff, KaGeen Cheung, Sergei Kozlov, Magtouf Gatei, C Soon Lee, Mark C Bellingham, Peter G Noakes, Yi Chieh Lim, Nigel L Barnett, Steven Dingwall, Ernst Wolvetang, Tomoji Mashimo, Tara L Roberts, Martin F Lavin
Ataxia-telangiectasia (A-T), an autosomal recessive disease caused by mutations in the ATM gene is characterised by cerebellar atrophy and progressive neurodegeneration which has been poorly recapitulated in Atm mutant mice. Consequently, pathways leading to neurodegeneration in A-T are poorly understood. We describe here the generation of an Atm knockout rat model that does not display cerebellar atrophy but instead paralysis and spinal cord atrophy, reminiscent of that seen in older patients and milder forms of the disorder...
December 22, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27998908/loss-of-laminin-%C3%AE-4-results-in-pre-and-postsynaptic-modifications-at-the-neuromuscular-junction
#7
Kirat K Chand, Kah Meng Lee, Nickolas A Lavidis, Peter G Noakes
Synaptic basal lamina such as laminin-421 (α4β2γ1) mediate differentiation of the neuromuscular junction (NMJ). Laminins interact with their pre- or postsynaptic receptors to provide stability and alignment of the pre- to postsynaptic specializations. Knockout of the lama4 gene does not alter gross NMJ morphogenesis. However, mice deficient in laminin-α4 (lama4(-/-)) display disruptions in the alignment of the active zones and postsynaptic folds at the NMJ, although the physiological consequences of this loss have not been examined...
December 20, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27956032/alterations-in-hypoglossal-motor-neurons-due-to-gad67-and-vgat-deficiency-in-mice
#8
Matthew J Fogarty, Refik Kanjhan, Yuchio Yanagawa, Peter G Noakes, Mark C Bellingham
There is an emerging body of evidence that glycinergic and GABAergic synaptic inputs onto motor neurons (MNs) help regulate the final number of MNs and axonal muscle innervation patterns. Using mutant glutamate decarboxylase 67 (GAD67) and vesicular inhibitory amino acid transporter (VGAT) deficient mice, we describe the effect that deficiencies of presynaptic GABAergic and/or glycinergic release have on the post-synaptic somato-dendritic structure of motor neurons, and the development of excitatory and inhibitory synaptic inputs to MNs...
December 10, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27917760/the-universities-of-stellenbosch-cape-town-low-carbohydrate-diet-review-mistake-or-mischief
#9
Z Harcombe, T D Noakes
A 2014 meta-analysis from the universities of Stellenbosch and Cape Town reported that diets with a lower-carbohydrate (CHO) content are no more effective for producing weight loss than are high-CHO diets, so-called isoenergetic 'balanced' diets. We have re-examined the article and found numerous errors, many material in nature. Studies were included that failed the authors' own inclusion criteria; invalid and subjective meta-analysis sub-grouping was used; and data extraction was repeatedly inaccurate. All but one error favoured the balanced diet...
December 1, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27913293/differential-role-of-calpain-dependent-protein-cleavage-in-intermediate-and-long-term-operant-memory-in-aplysia
#10
Lisa C Lyons, Jacob S Gardner, Cassidy T Lentsch, Catherine E Gandour, Harini C Krishnan, Eric J Noakes
In addition to protein synthesis, protein degradation or protein cleavage may be necessary for intermediate (ITM) and long-term memory (LTM) to remove molecular constraints, facilitate persistent kinase activity and modulate synaptic plasticity. Calpains, a family of conserved calcium dependent cysteine proteases, modulate synaptic function through protein cleavage. We used the marine mollusk Aplysia californica to investigate the in vivo role of calpains during intermediate and long-term operant memory formation using the learning that food is inedible (LFI) paradigm...
January 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27900189/novel-coaching-cricket-bat-can-it-be-used-to-enhance-the-backlift-and-performance-of-junior-cricket-batsmen
#11
M Habib Noorbhai, Russell C Woolmer, Timothy D Noakes
BACKGROUND: In the current literature, it is questionable whether cricket bats in their current form and dimensions allow a young cricketer to hit the ball effectively. The aim of this study was to test the effectiveness of a novel coaching cricket bat among junior cricket batsmen with regard to enhancing performance and the direction of the backlift. METHODS: A cross-sectional research study with analytical research methods was employed, in which 2 groups (coached: n=12 and uncoached: n=35) of participants (ages 9-13) took part in a pilot and intervention study...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27899447/a-mixed-methods-investigation-of-psychological-factors-relevant-to-weight-maintenance
#12
Amanda Ellen Dibb-Smith, Emily Brindal, Janine Chapman, Manny Noakes
This study investigated perceptions of and engagement with the concepts of planning and problem-solving, within a weight management sample. A total of 53 participants (62% female, 20-74 years old) completed a semi-structured interview and quantitative measures after a 16-week weight maintenance period. Preliminary weight maintainers (who had maintained losses of, at least 10% of their original weight) were compared with heavier-than-baseline participants (who had re-gained more weight than was originally lost)...
November 28, 2016: Journal of Health Psychology
https://www.readbyqxmd.com/read/27897242/cortical-synaptic-and-dendritic-spine-abnormalities-in-a-presymptomatic-tdp-43-model-of-amyotrophic-lateral-sclerosis
#13
Matthew J Fogarty, Paul M Klenowski, John D Lee, Joy R Drieberg-Thompson, Selena E Bartlett, Shyuan T Ngo, Massimo A Hilliard, Mark C Bellingham, Peter G Noakes
Layer V pyramidal neurons (LVPNs) within the motor cortex integrate sensory cues and co-ordinate voluntary control of motor output. In amyotrophic lateral sclerosis (ALS) LVPNs and spinal motor neurons degenerate. The pathogenesis of neural degeneration is unknown in ALS; 10% of cases have a genetic cause, whereas 90% are sporadic, with most of the latter showing TDP-43 inclusions. Clinical and experimental evidence implicate excitotoxicity as a prime aetiological candidate. Using patch clamp and dye-filling techniques in brain slices, combined with high-resolution confocal microscopy, we report increased excitatory synaptic inputs and dendritic spine densities in early presymptomatic mice carrying a TDP-43(Q331K) mutation...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895165/rats-with-a-missense-mutation-in-atm-display-neuroinflammation-and-neurodegeneration-subsequent-to-accumulation-of-cytosolic-dna-following-unrepaired-dna-damage
#14
Hazel Quek, John Luff, KaGeen Cheung, Sergei Kozlov, Magtouf Gatei, C Soon Lee, Mark C Bellingham, Peter G Noakes, Yi Chieh Lim, Nigel L Barnett, Steven Dingwall, Ernst Wolvetang, Tomoji Mashimo, Tara L Roberts, Martin F Lavin
Mutations in the ataxia-telangiectasia (A-T)-mutated (ATM) gene give rise to the human genetic disorder A-T, characterized by immunodeficiency, cancer predisposition, and neurodegeneration. Whereas a series of animal models recapitulate much of the A-T phenotype, they fail to present with ataxia or neurodegeneration. We describe here the generation of an Atm missense mutant [amino acid change of leucine (L) to proline (P) at position 2262 (L2262P)] rat by intracytoplasmic injection (ICSI) of mutant sperm into oocytes...
November 28, 2016: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/27876096/a-randomised-controlled-trial-of-the-effects-of-very-low-carbohydrate-and-high-carbohydrate-diets-on-cognitive-performance-in-patients-with-type-2-diabetes
#15
Jeannie Tay, Ian T Zajac, Campbell H Thompson, Natalie D Luscombe-Marsh, Vanessa Danthiir, Manny Noakes, Jonathan D Buckley, Gary A Wittert, Grant D Brinkworth
This study compared the longer-term effects of a very low-carbohydrate, high-fat diet with a high-carbohydrate, low-fat diet on cognitive performance in individuals with type 2 diabetes (T2D). In total, 115 obese adults with T2D (sixty-six males, BMI: 34·6 (sd 4·3) kg/m2, age: 58 (sd 7) years, HbA1c: 7·3 (sd 1·1) %, diabetes duration: 8 (sd 6) years) were randomised to consume either an energy-restricted, very low-carbohydrate, low-saturated-fat (LC) diet or an energy-matched high unrefined carbohydrate, low-fat (HC) diet with supervised aerobic/resistance exercise (60 min, 3 d/week) for 52 weeks...
November 23, 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27858977/atypical-presentation-of-livedo-racemosa-in-a-factor-v-leiden-heterozygous-positive-patient-with-pseudomonas-aeruginosa-urosepsis
#16
Jesse Johnston, Rowland Noakes, Kurt Davidson
Impairment of the protein C pathway, detectable by reduced plasma levels of activated protein C (APC), are risk factors for venous thrombosis. Activated protein C maintains clotting homeostasis by regulation of pro-coagulant factors Va and VIIIa. Both infection and the factor V Leiden mutation reduce the formation of APC from protein C in the blood. With low levels of APC, excess factors Va and VIIIa exist, increasing the risk of thrombus formation. Livedo racemosa is characterised by a striking, violaceous branch-like pattering of the skin...
November 12, 2016: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/27824417/-anticoagulation-and-new-therapeutic-options-in-atrial-fibrillation
#17
Karl Mischke
Oral anticoagulation plays an essential role in the treatment of patients with atrial fibrillation as it is indicated for most patients to reduce the risk of stroke. It is prudent to assess the risks of stroke and bleeding using the CHA2DS2-VASc and HAS-BLED scores. Oral anticoagulation is indicated in general for all patients with valvular atrial fibrillation (atrial fibrillation in moderate to severe mitral stenosis or mechanical prosthetic valve) as well as for patients with a CHA2DS2-VASc-Score of 1 - 2 points or higher...
October 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27822154/supplementary-searches-of-pubmed-to-improve-currency-of-medline-and-medline-in-process-searches-via-ovid
#18
Steven Duffy, Shelley de Kock, Kate Misso, Caro Noake, Janine Ross, Lisa Stirk
OBJECTIVE: The research investigated whether conducting a supplementary search of PubMed in addition to the main MEDLINE (Ovid) search for a systematic review is worthwhile and to ascertain whether this PubMed search can be conducted quickly and if it retrieves unique, recently published, and ahead-of-print studies that are subsequently considered for inclusion in the final systematic review. METHODS: Searches of PubMed were conducted after MEDLINE (Ovid) and MEDLINE In-Process (Ovid) searches had been completed for seven recent reviews...
October 2016: Journal of the Medical Library Association: JMLA
https://www.readbyqxmd.com/read/27809233/overconsumption-of-energy-and-excessive-discretionary-food-intake-inflates-dietary-greenhouse-gas-emissions-in-australia
#19
Gilly A Hendrie, Danielle Baird, Brad Ridoutt, Michalis Hadjikakou, Manny Noakes
Population dietary guidelines have started to include information about the environmental impacts of food choices, but more quantifiable evidence is needed, particularly about the impacts associated with discretionary foods. This paper utilised the 2011-2012 Australian Health Survey food intake data along with a highly disaggregated input-output model to estimate the greenhouse gas emissions (GHGe) of Australians' dietary intake, and compare current patterns of eating which vary in diet quality and GHGe to the recommended diet...
October 31, 2016: Nutrients
https://www.readbyqxmd.com/read/27786342/multispectral-imaging-of-organ-viability-during-uterine-transplantation-surgery-in-rabbits-and-sheep
#20
Neil T Clancy, Srdjan Saso, Danail Stoyanov, Vincent Sauvage, David J Corless, Michael Boyd, David E Noakes, Meen-Yau Thum, Sadaf Ghaem-Maghami, James Richard Smith, Daniel S Elson
No abstract text is available yet for this article.
October 1, 2016: Journal of Biomedical Optics
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