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Peripheral fatigue

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https://www.readbyqxmd.com/read/29332237/acute-acetaminophen-ingestion-improves-performance-and-muscle-activation-during-maximal-intermittent-knee-extensor-exercise
#1
Paul T Morgan, Joanna L Bowtell, Anni Vanhatalo, Andrew M Jones, Stephen J Bailey
AIM: Acetaminophen is a commonly used medicine for pain relief and emerging evidence suggests that it may improve endurance exercise performance. This study investigated some of the physiological mechanisms by which acute acetaminophen ingestion might blunt muscle fatigue development. METHODS: Thirteen active males completed 60 × 3 s maximum voluntary contractions (MVC) of the knee extensors with each contraction separated by a 2 s passive recovery period...
January 13, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29331635/sotatercept-with-long-term-extension-for-the-treatment-of-anaemia-in-patients-with-lower-risk-myelodysplastic-syndromes-a-phase-2-dose-ranging-trial
#2
Rami Komrokji, Guillermo Garcia-Manero, Lionel Ades, Thomas Prebet, David P Steensma, Joseph G Jurcic, Mikkael A Sekeres, Jesus Berdeja, Michael R Savona, Odile Beyne-Rauzy, Aspasia Stamatoullas, Amy E DeZern, Jacques Delaunay, Gautam Borthakur, Robert Rifkin, Thomas E Boyd, Abderrhamane Laadem, Bond Vo, Jennie Zhang, Marie Puccio-Pick, Kenneth M Attie, Pierre Fenaux, Alan F List
BACKGROUND: Myelodysplastic syndromes are characterised by ineffective erythropoiesis leading to anaemia. Sotatercept (ACE-011) is a novel activin receptor type IIA fusion protein that acts as a ligand trap to neutralise negative regulators of late-stage erythropoiesis. The aim of the study was to establish a safe and effective dose of sotatercept for the treatment of anaemia in patients with lower-risk myelodysplastic syndromes. METHODS: This open-label, multicentre, dose-ranging, phase 2 trial took place at 11 treatment centres in the USA and France...
January 10, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29324306/mechanically-resilient-injectable-scaffolds-for-intramuscular-stem-cell-delivery-and-cytokine-release
#3
Stuart A Young, Stephen E Sherman, Tyler T Cooper, Cody Brown, Fraz Anjum, David A Hess, Lauren E Flynn, Brian G Amsden
A promising strategy for treating peripheral ischemia involves the delivery of stem cells to promote angiogenesis through paracrine signaling. Treatment success depends on cell localization, retention, and survival within the mechanically dynamic intramuscular (IM) environment. Herein we describe an injectable, in situ-gelling hydrogel for the IM delivery of adipose-derived stem/stromal cells (ASCs), specifically designed to withstand the dynamic loading conditions of the lower limb and facilitate cytokine release from encapsulated cells...
January 4, 2018: Biomaterials
https://www.readbyqxmd.com/read/29313215/association-of-mitochondrial-dna-content-in-peripheral-blood-with-cancer-related-fatigue-and-chemotherapy-related-cognitive-impairment-in-early-stage-breast-cancer-patients-a-prospective-cohort-study
#4
Jung-Woo Chae, Peh Siang Chua, Terence Ng, Angie Hui Ling Yeo, Maung Shwe, Yan Xiang Gan, Sreemanee Dorajoo, Koon Mian Foo, Kiley Wei-Jen Loh, Si-Lin Koo, Wen Yee Chay, Tira Jing Ying Tan, Sok Yuen Beh, Elaine Hsuen Lim, Guek Eng Lee, Rebecca Dent, Yoon Sim Yap, Raymond Ng, Han Kiat Ho, Alexandre Chan
PURPOSE: Cancer-related fatigue (CRF) and chemotherapy-related cognitive impairment (CRCI) are reported to be associated with mitochondrial dysfunction. Hence, mitochondrial DNA (mtDNA) content, a biomarker of mitochondrial dysfunction, is hypothesized to correlate with the onset of CRF and CRCI. This study aims to evaluate the association between peripheral blood mtDNA content reduction and severity of CRF and CRCI in patients receiving chemotherapy. METHODS: This was a prospective cohort study...
January 8, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29284143/long-term-safety-of-short-term-administration-of-filgrastim-rhg-csf-and-leukophresis-procedure-in-healthy-children-application-of-peripheral-blood-stem-cell-collection-in-pediatric-donors
#5
Maryam Behfar, Sara Faghihi-Kashani, Ashraf Sadat Hosseini, Ardeshir Ghavamzadeh, Amir Ali Hamidieh
INTRODUCTION: Administration of Filgrastim (rhG-CSF) (Neupogen®) in healthy donors to mobilize hematopoietic stem cells (HSC) is a widespread practice in adults. Application of peripheral blood stem cell (PBSC) collection in normal pediatric donors is scarce due to ethical issues. Hence, there are insufficient data on the long-term impact of PBSC procedure in healthy children. This retrospective study aimed to evaluate the early and late adverse effects of PBSC donation in pediatric donors...
December 25, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29282530/determinants-analysis-and-interpretation-of-the-muscle-compound-action-potential-m-wave-in-humans-implications-for-the-study-of-muscle-fatigue
#6
REVIEW
Javier Rodriguez-Falces, Nicolas Place
The compound muscle action potential (M wave) has been commonly used to assess the peripheral properties of the neuromuscular system. More specifically, changes in the M-wave features are used to examine alterations in neuromuscular propagation that can occur during fatiguing contractions. The utility of the M wave is based on the assumption that impaired neuromuscular propagation results in a decrease in M-wave size. However, there remains controversy on whether the size of the M wave is increased or decreased during and/or after high-intensity exercise...
December 28, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29275786/glucocorticoid-receptor-dna-methylation-and-childhood-trauma-in-chronic-fatigue-syndrome-patients
#7
Elise Beau Vangeel, Stefan Kempke, Jelena Bakusic, Lode Godderis, Patrick Luyten, Leen Van Heddegem, Veerle Compernolle, Philippe Persoons, Diether Lambrechts, Benedetta Izzi, Kathleen Freson, Stephan Claes
OBJECTIVE: Although the precise mechanisms are not yet understood, previous studies have suggested that chronic fatigue syndrome (CFS) is associated with hypothalamic-pituitary-adrenal (HPA) axis dysregulation and trauma in early childhood. Consistent with findings suggesting that early life stress-induced DNA methylation changes may underlie dysregulation of the HPA axis, we previously found evidence for the involvement of glucocorticoid receptor (GR) gene (NR3C1) methylation in whole blood of CFS patients...
January 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29273007/efficacy-and-safety-of-weekly-nab-paclitaxel-plus-gemcitabine-in-chinese-patients-with-metastatic-adenocarcinoma-of-the-pancreas-a-phase-ii-study
#8
Ruihua Xu, Xianjun Yu, Jihui Hao, Liwei Wang, Hongming Pan, Guohong Han, Jianming Xu, Yanqiao Zhang, Shujun Yang, Jia Chen, Jieer Ying, Guanghai Dai, Mingyu Li, Damir Begic, Brian Lu, Lin Shen
BACKGROUND: This phase II bridging study assessed the safety and efficacy of nab-paclitaxel/gemcitabine (Metastatic Pancreatic Adenocarcinoma Clinical Trial [MPACT] regimen) in Chinese patients with metastatic pancreatic cancer (MPC). METHODS: This 3-part sequential study evaluated nab-paclitaxel 125 mg/m2 plus gemcitabine 1000 mg/m2 on days 1, 8, and 15 every 4 weeks. Part 1 evaluated safety. Part 2 evaluated efficacy using Simon's optimal 2-stage design: if >2 responses were observed in Stage 1 (n = 28), 54 additional patients would be enrolled in Stage 2...
December 22, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29260599/alisertib-a-review-of-pharmacokinetics-efficacy-and-toxicity-in-patients-with-hematologic-malignancies-and-solid-tumors
#9
Susanne Liewer, Ashley Huddleston
Aurora kinases are essential mediators in cell mitosis. Amplification of these kinases can lead to the development of malignancy and may be associated with inferior survival. Alisertib is an oral aurora kinase inhibitor which has been shown to induce cell-cycle arrest and apoptosis in preclinical studies. It is currently under investigation for a wide variety of malignancies including hematologic (specifically Non-Hodgkin's lymphoma) and solid tumors. Areas covered: A PubMed search was performed to identify clinical studies reporting outcomes with alisertib...
December 20, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29250975/an-update-on-emerging-drugs-for-fibromyalgia-treatment
#10
Fabiola Atzeni, Maria Chiara Gerardi, Ignazio Francesco Masala, Alessandra Alciati, Alberto Batticciotto, Piercarlo Sarzi-Puttini
Fibromyalgia (FM) is a chronic disorder whose symptoms of pain, fatigue, sleep disturbances and depression have a devastating effect on patients' lives as it limits their ability to engage in everyday working and social activities, and make it difficult to maintain normal relationships with family, friends and employers. None of the currently available drugs are fully effective against the whole spectrum of symptoms. The aim of this narrative review is to summarise the data relating to the new therapeutic options that have become available over the last few years...
December 19, 2017: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/29249822/phase-i-ii-trial-of-the-oral-regimen-ixazomib-pomalidomide-and-dexamethasone-in-relapsed-refractory-multiple-myeloma
#11
A Krishnan, P Kapoor, J M Palmer, N-C Tsai, S Kumar, S Lonial, M Htut, C Karanes, N Nathwani, M Rosenzweig, F Sahebi, G Somlo, L Duarte, J F Sanchez, D Auclair, S J Forman, J G Berdeja
In this phase I/II trial, a triplet regimen of ixazomib (Ixa: 3 or 4 mg), pomalidomide (Pom: 4 mg), and dexamethasone (Dex: 40 mg) was administered to 32 lenalidomide-refractory multiple myeloma (MM) patients; 31 were evaluable for response and toxicity. At dose level 1 (DL1, 3 mg Ixa), 1/3 patients experienced grade 3 fatigue, grade 3 lung infection, grade 4 neutropenia, and grade 4 thrombocytopenia; all were considered dose limiting. Per 3+3 phase I design, an additional 3 patients were enrolled to DL1, with no further dose limiting toxicity (DLT)...
December 18, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29243164/effects-of-exercise-during-chemotherapy-on-chemotherapy-induced-peripheral-neuropathy-a-multicenter-randomized-controlled-trial
#12
Ian R Kleckner, Charles Kamen, Jennifer S Gewandter, Nimish A Mohile, Charles E Heckler, Eva Culakova, Chunkit Fung, Michelle C Janelsins, Matthew Asare, Po-Ju Lin, Pavan S Reddy, Jeffrey Giguere, Jeffrey Berenberg, Shelli R Kesler, Karen M Mustian
PURPOSE: Over half of all cancer patients receiving taxane-, platinum-, or vinca alkaloid-based chemotherapy experience chemotherapy-induced peripheral neuropathy (CIPN), which includes numbness, tingling, pain, cold sensitivity, and motor impairment in the hands and feet. CIPN is a dose-limiting toxicity, potentially increasing mortality. There are no FDA-approved drugs to treat CIPN, and behavioral interventions such as exercise are promising yet understudied. This secondary analysis of our nationwide phase III randomized controlled trial of exercise for fatigue examines (1) effects of exercise on CIPN symptoms, (2) factors that predict CIPN symptoms, and (3) factors that moderate effects of exercise on CIPN symptoms...
December 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29237652/evidence-based-recommendations-on-care-for-breast-cancer-survivors-for-primary-care-providers-a-review-of-evidence-based-breast-cancer-guidelines
#13
Inge Spronk, Joke C Korevaar, Francois G Schellevis, Tit Albreht, Jako S Burgers
OBJECTIVE: To review evidence-based (EB) recommendations on survivorship care for primary care providers (PCPs) in EB breast cancer guidelines. DESIGN AND SETTING: Guidelines were collected via experts and via literature database, guideline database and cancer agency websites searches. METHOD: EB guidelines in any language published between 2012 and 2017 were collected. EB recommendations on survivorship care relevant for PCPs were extracted and grouped into three categories (recurrence detection, long-term effects and recurrence prevention)...
December 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29225574/motor-unit-activity-during-fatiguing-isometric-muscle-contraction-in-hemispheric-stroke-survivors
#14
Lara McManus, Xiaogang Hu, William Z Rymer, Nina L Suresh, Madeleine M Lowery
Enhanced muscle weakness is commonly experienced following stroke and may be accompanied by increased susceptibility to fatigue. To examine the contributions of central and peripheral factors to isometric muscle fatigue in stroke survivors, this study investigates changes in motor unit (MU) mean firing rate, and action potential duration during, and directly following, a sustained submaximal fatiguing contraction at 30% maximum voluntary contraction (MVC). A series of short contractions of the first dorsal interosseous muscle were performed pre- and post-fatigue at 20% MVC, and again following a 10-min recovery period, by 12 chronic stroke survivors...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29223146/investigation-of-mast-cell-toll-like-receptor-3-in-chronic-fatigue-syndrome-myalgic-encephalomyelitis-and-systemic-mastocytosis-participants-using-the-novel-application-of-automacs-magnetic-separation-and-flow-cytometry
#15
Cassandra Balinas, Thao Nguyen, Samantha Johnston, Peter Smith, Donald Staines, Sonya Marshall-Gradisnik
BACKGROUND: Viral infections and hypersensitivities are commonly reported by Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) patients. Mast Cells (MC) uniquely mediate type 1 hypersensitivities and resolve viral infections via toll-like receptor 3 (TLR3). OBJECTIVE: To characterise and compare mast cell progenitors (MCPs) in CFS/ME participants with a known MC disorder, Systemic mastocytosis (SM), and secondly, to investigate the role of MC TLR3 in CFS/ME participants following Polyinosinic:polycytidylic acid (Poly I:C) stimulation...
December 10, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29214392/modulation-of-specific-inhibitory-networks-in-fatigued-locomotor-muscles-of-healthy-males
#16
Stuart Goodall, Glyn Howatson, Kevin Thomas
Reduced maximal force capability of skeletal muscle, as a consequence of exercise, can be due to peripheral or central fatigue mechanisms. In upper-limb muscles, neuromuscular fatigue is concurrent with reduced corticospinal excitability and increased inhibition (lengthened corticospinal silent period [CSP]; reduced short-interval intracortical inhibition [SICI] ratio). However, it is unclear whether these adjustments occur in response to fatiguing exercise of locomotor muscles. This study examined the effect of fatiguing, maximal, knee-extensor exercise on motor cortical excitability and inhibition...
December 6, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29205338/s1p-receptor-antagonists-fingolimod-and-siponimod-do-not-improve-the-outcome-of-experimental-autoimmune-myasthenia-gravis-mice-after-disease-onset
#17
Andreas Pelz, Hanne Schaffert, Radharani Diallo, Falk Hiepe, Andreas Meisel, Siegfried Kohler
Myasthenia gravis (MG) is an autoimmune disease characterized by muscle weakness and fatigue in the presence of circulating antibodies against components of the neuromuscular junction. Most patients have a good prognosis, but some are refractory to standard-of-care immunosuppressive treatment and suffer from recurrent myasthenic crises. Functional sphingosine-1-phosphate (S1P) antagonists like fingolimod and siponimod (BAF312) are successfully used for the treatment of multiple sclerosis, and fingolimod was shown to prevent the development of myasthenic symptoms in experimental autoimmune myasthenia gravis (EAMG), the standard model of MG...
December 4, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/29200001/effect-of-aromatherapy-massage-on-chemotherapy-induced-peripheral-neuropathic-pain-and-fatigue-in-patients-receiving-oxaliplatin-an-open-label-quasi-randomized-controlled-pilot-study
#18
Nur Izgu, Leyla Ozdemir, Fatma Bugdayci Basal
BACKGROUND: Patients receiving oxaliplatin may experience peripheral neuropathic pain and fatigue. Aromatherapy massage, a nonpharmacological method, may help to control these symptoms. OBJECTIVE: The aim of this open-label, parallel-group, quasi-randomized controlled pilot study was to investigate the effect of aromatherapy massage on chemotherapy-induced peripheral neuropathic pain and fatigue in patients receiving oxaliplatin. METHODS: Stratified randomization was used to allocate 46 patients to 2 groups: intervention (n = 22) and control (n = 24)...
December 2, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/29196957/phase-1-and-pharmacokinetic-study-of-ly3007113-a-p38-mapk-inhibitor-in-patients-with-advanced-cancer
#19
Jonathan W Goldman, Lee S Rosen, Anthony W Tolcher, Kyriakos Papadopoulos, Muralidhar Beeram, Peipei Shi, Celine Pitou, Robert Bell, Palaniappan Kulanthaivel, Xuekui Zhang, Aaron Fink, Edward M Chan, Ashwin Shahir, Daphne Farrington, Amita Patnaik
Background The signaling protein p38 mitogen-activated protein kinase (MAPK) regulates the tumor cell microenvironment, modulating cell survival, migration, and invasion. This phase 1 study evaluated the safety of p38 MAPK inhibitor LY3007113 in patients with advanced cancer to establish a recommended phase 2 dose. Methods In part A (dose escalation), LY3007113 was administered orally every 12 h (Q12H) at doses ranging from 20 mg to 200 mg daily on a 28-day cycle until the maximum tolerated dose (MTD) was reached...
December 1, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/29185473/the-systemic-response-to-topical-aldara-treatment-is-mediated-through-direct-tlr7-stimulation-as-imiquimod-enters-the-circulation
#20
Louis Nerurkar, Alison McColl, Gerard Graham, Jonathan Cavanagh
Topical application of Aldara cream, containing the Toll-like receptor 7/8 agonist Imiquimod, is a widely used mouse model for investigating the pathogenesis of psoriasis. We have previously used this model to study the effects of peripheral inflammation on the brain, and reported a brain-specific response characterised by increased transcription, infiltration of immune cells and anhedonic-like behavior. Here, we perform a more robust characterisation of the systemic response to Aldara application and find a potent but transient response in the periphery, followed by a prolonged response in the brain...
November 29, 2017: Scientific Reports
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