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https://www.readbyqxmd.com/read/29144172/disruptions-in-sleep-wake-cycles-in-community-dwelling-cancer-patients-receiving-palliative-care-and-their-correlates
#1
Marie Solange Bernatchez, Josée Savard, Hans Ivers
Significant disruptions in sleep-wake cycles have been found in advanced cancer patients in prior research. However, much remains to be known about specific sleep-wake cycle variables that are impaired in patients with a significantly altered performance status. More studies are also needed to explore the extent to which disrupted sleep-wake cycles are related to physical and psychological symptoms, time to death, maladaptive sleep behaviors, quality of life and 24-h light exposure. This study conducted in palliative cancer patients was aimed at characterizing patients' sleep-wake cycles using various circadian parameters (i...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29143455/understanding-the-functional-role-of-microrna-214-3p-in-atherosclerosis-for-the-identification-of-novel-targeted-therapies-to-prevent-or-reverse-endothelial-cell-dysfunction-and-stimulate-autophagy
#2
EDITORIAL
Adriana Georgescu
The original article by Jing Wang and collaborators, entitled "MicroRNA-214-3p: A Link between Autophagy and Endothelial Cell Dysfunction in Atherosclerosis", brings new data concerning molecular mechanisms linking decreased autophagy to endothelial dysfunction in atherosclerosis. In this issue of Acta Physiologica, the authors concluded that microRNA-214-3p (miR-214-3p) controls oxidized low-density lipoprotein (ox-LDL)-induced autophagy in human umbilical vein endothelial cells (HUVECs) by regulating intracellular levels of autophagy-related protein 5 (ATG5), and may have a relevant role in the pathogenesis of atherosclerosis...
November 16, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29141075/treatment-for-livedoid-vasculopathy-a-systematic-review
#3
Robert Micieli, Afsaneh Alavi
Importance: Livedoid vasculopathy is a painful, ulcerative condition of the lower extremities for which no established treatment exists. Current treatment paradigms rely on low levels of evidence, primarily case reports and case series. Objective: To systematically review the treatment for livedoid vasculopathy and synthesize the available clinical data. Evidence Review: A systematic review of the literature using Ovid MEDLINE (covering the period January 1, 1946, through June 9, 2017) and Ovid EMBASE (covering January 1, 1947, through June 9, 2017) databases was performed with a broad and inclusive search strategy along with a subsequent search of the references of retrieved articles...
November 15, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/29138594/prevention-and-treatment-of-acute-and-chronic-radiodermatitis
#4
Sophie Seité, René-Jean Bensadoun, Jean-Michel Mazer
More than half the number of patients with cancer, who are treated with radiotherapy, will have radiodermatitis at some point during their treatment. Radiodermatitis either occurs early on in the treatment period or appears months or up to several years later. Acute radiodermatitis is a burn injury that varies in severity according to both treatment and inherent patient factors. Most acute radiodermatitis reactions resolve after several weeks but some reactions persist and can cause complications. Late-onset radiodermatitis is characterized by telangiectasia that forms on atrophic and fragile skin...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29130447/only-lasers-can-be-used-for-low-level-laser-therapy
#5
Sergey Vladimirovich Moskvin
The question of lasers' exclusivity, as well as the degree of influence of special properties of low-intensity laser illumination (LILI), such as coherence, polarity and monochromaticity, on the effectiveness of low level laser therapy (LLLT) continues to cause arguments. The study analyzes publications from 1973 to 2016, in which laser and conventional light sources are compared, and the following conclusions are drawn. First, there are a lot of publications with incorrect comparison or unfounded statements...
December 2017: BioMedicine
https://www.readbyqxmd.com/read/29123629/effect-of-low-level-laser-therapy-and-strength-training-protocol-on-hand-grip-by-dynamometry
#6
Rafael Barbosa, Alexandre Marcolino, Vitor Souza, Guilherme Bertolino, Marisa Fonseca, Rinaldo Guirro
Introduction: The purpose of this study was to investigate the effect of low-level laser therapy (LLLT) - 660 nm and 904 nm - before grip strength protocol in healthy subjects. Methods: The study included 45 healthy volunteers with an average age of 22.7 (±1.4) years, subdivided into the following groups, control group: grip strength training associated with placebo LLLT; 660 nm group: LLLT (660 nm, 20 J/cm(2), power of 30 mW, and beam area of 0.06 cm(2), continuous, energy 1.2 J, and exposure time 40 seconds per point) before grip strength training and 904 nm group: LLLT (904 nm, 10 J/cm(2), peak power of 70 W and 0...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29095531/low-level-red-led-light-inhibits-hyperkeratinization-and-inflammation-induced-by-unsaturated-fatty-acid-in-an-in-vitro-model-mimicking-acne
#7
Wen-Hwa Li, Ali Fassih, Curt Binner, Ramine Parsa, Michael D Southall
BACKGROUND AND OBJECTIVE: Acne vulgaris is a chronic inflammatory disease of the pilosebaceous units (PSU), associated with increased sebum production, abnormal follicular keratinization (hyperkeratinization), follicular overgrowth of Propionibacterium acnes (P. acnes), and increased inflammatory mediator release. Light therapy has attracted medical interests as a safe alternative treatment for acne. Both blue and red light therapies at high doses >10 J/cm(2) have demonstrated marked effects on inflammatory acne lesions...
November 2, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29090398/photobiomodulation-therapy-for-the-improvement-of-muscular-performance-and-reduction-of-muscular-fatigue-associated-with-exercise-in-healthy-people-a-systematic-review-and-meta-analysis
#8
REVIEW
Adriane Aver Vanin, Evert Verhagen, Saulo Delfino Barboza, Leonardo Oliveira Pena Costa, Ernesto Cesar Pinto Leal-Junior
Researches have been performed to investigate the effects of phototherapy on improving performance and reduction of muscular fatigue. However, a great variability in the light parameters and protocols of the trials are a concern to establish the efficacy of this therapy to be used in sports or clinic. The aim of this study is to investigate the effectiveness, moment of application of phototherapy within an exercise protocol, and which are the parameters optimally effective for the improvement of muscular performance and the reduction of muscular fatigue in healthy people...
October 31, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29089818/effectiveness-of-low-level-laser-therapy-in-reducing-orthodontic-pain-a-systematic-review-and-meta-analysis
#9
REVIEW
Naira Figueiredo Deana, Carlos Zaror, Paulo Sandoval, Nilton Alves
OBJECTIVES: To assess the effectiveness of low-level laser therapy (LLLT) in reducing orthodontic pain after the application of orthodontic force (OF). METHODS: A systematic search was conducted in the MEDLINE, EMBASE, Scopus, Cochrane Library, Web of Science, and EBSCOhost databases. The study included randomized clinical trials (RCT) which analysed the effectiveness of LLLT in reducing orthodontic pain assessed at 24 and 72 hrs after the application of OF. The risk of bias of the eligible trials was assessed using the Cochrane Collaboration's risk of bias tool...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29071031/the-effect-of-combination-of-red-infrared-and-blue-wavelengths-of-low-level-laser-on-reduction-of-abdominal-girth-a-before-after-case-series
#10
Katayoon Montazeri, Soheila Mokmeli, Maryam Barat
Introduction: The objective of this study was to assess the efficacy of a combination of 3 wavelengths (including red, infra-red, and blue) of low-level laser (LLL) as a non-invasive therapeutic method to reduce abdominal girth. To achieve biochemical activity on adipocytes, a red laser was used in our selective laser combination. Near-infrared laser was used to increase depth of penetration. Nitrosyl complexes of hemoglobin (NO-Hb) are sensitive to blue light, thereby leading to increase in release of biologically active nitric oxide (NO), which can affect tissue perfusion...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29071023/the-effect-of-low-level-laser-therapy-on-pemphigus-vulgaris-lesions-a-pilot-study
#11
Maryam Yousef, Parvin Mansouri, Masoud Partovikia, Mitra Esmaili, Shima Younespour, Ladan Hassani
Introduction: Pemphigus vulgaris is a chronic blistering skin disease. Management of recalcitrant pemphigus ulcers is a great problem. Low Level Laser Therapy (LLLT) is known to supply direct biostimulative light energy to body cells. This study evaluates the efficacy of low power laser in the healing of pemphigus lesions. Methods: Ten patients with pemphigus vulgaris were enrolled in the trial. The LED-LLLT system used was the Thor LED clusters (109, 69 or 19 diode) (England) with 660 nm wavelength in continuous wave (CW) and 30 mW energy...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29067616/a-clinical-review-of-phototherapy-for-psoriasis
#12
REVIEW
Ping Zhang, Mei X Wu
Psoriasis is an autoimmune inflammatory skin disease. In the past several decades, phototherapy has been widely used to treat stable psoriatic lesions, including trunk, scalp, arms and legs, and partial nail psoriasis. A variety of light/lasers with different mechanisms of action have been developed for psoriasis including ultraviolet B (UVB), psoralen ultraviolet A (PUVA), pulsed dye laser (PDL), photodynamic therapy (PDT), intense pulsed light (IPL), light-emitting diodes (LED), and so on. Because light/laser each has specific therapeutic and adverse effects, it is important to adequately choose the sources and parameters in management of psoriasis with different pathogenic sites, severities, and duration of the disorder...
October 24, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29065616/smartphone-driven-low-power-light-emitting-device
#13
Hea-Ja An, Kyung-Won Kim, Mun-Ho Ryu, Han-Yeong Oh, Nam-Gyun Kim, Kyoung-Jun Park
Low-level light (laser) therapy (LLLT) has been widely researched in the recent past. Existing LLLT studies were performed based on laser. Recently, studies using LED have increased. This study presents a smartphone-driven low-power light-emitting device for use in colour therapy as an alternative medicine. The device consists of a control unit and a colour probe. The device is powered by and communicates with a smartphone using USB On-The-Go (OTG) technology. The control unit controls emitting time and intensity of illumination with the configuration value of a smartphone application...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29064980/hair-transplantation-controversies
#14
REVIEW
Marc R Avram, Robert Finney, Nicole Rogers
BACKGROUND: Hair transplant surgery creates consistently natural appearing transplanted hair for men. It is increasingly popular procedure to restore natural growing hair for men with hair loss. OBJECTIVE: To review some current controversies in hair transplant surgery. MATERIALS AND METHODS: Review of the English PubMed literature and specialty literature in hair transplant surgery. RESULTS: Some of the controversies in hair transplant surgery include appropriate donor harvesting technique including elliptical donor harvesting versus follicular unit extraction whether manual versus robotic, the role of platelet-rich plasma and low-level light surgery in hair transplant surgery...
November 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29063472/effects-of-photobiomodulation-on-experimental-models-of-peripheral-nerve-injury
#15
REVIEW
L Andreo, C B Soldera, B G Ribeiro, P R V de Matos, S K Bussadori, K P S Fernandes, R A Mesquita-Ferrari
Phototherapy has demonstrated positive effects in the treatment of peripheral nerve injury, but there is a need to investigate the dosimetric parameters. Thus, the aim of the present study was to conduct a literature review on the effects of photobiomodulation with the use of low-level laser therapy (LLLT) on the treatment of peripheral nerve injury in experimental models. The databases of PubMed/MEDLINE, SCOPUS, and SPIE Digital Library were searched for articles on the use of LLLT in experimental models of peripheral nerve injury published in English between January 2007 and March 2016...
December 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29060675/effect-of-laser-diode-light-irradiation-on-growth-capability-of-human-hair-follicle-dermal-papilla-cells
#16
S Jampa-Ngern, K Viravaidya-Pasuwat, S Suvanasuthi, A Khantachawana
Low level laser therapy is widely used to relieve pain and inflammation, and to restore cellular functions. The photons of light are absorbed by mitochondria in cells, leading to an increase in the production of adenosine triphosphate (ATP), nitric oxide release, blood flow, and reactive oxygen species (ROS). This study proposed the use of a laser diode array at 808 nm to stimulate the proliferation and to activate the functions of dermal papilla cells, which were an important part of the hair growth cycle...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29052798/curcumin-pretreatment-prevents-hydrogen-peroxide-induced-oxidative-stress-through-enhanced-mitochondrial-function-and-deactivation-of-akt-erk-signaling-pathways-in-rat-bone-marrow-mesenchymal-stem-cells
#17
Xujie Wang, Jianxin Gao, Yunchuan Wang, Bin Zhao, Yijie Zhang, Fu Han, Zhao Zheng, Dahai Hu
Bone marrow mesenchymal stem cells (BMSCs)-based therapy has emerged as a desirable modality for the treatment of tissue injury with promising therapeutic effects; however, low survival rate of transplanted cells due to harsh microenvironment with hypoxia and oxidative stress results in hampered therapeutic benefits of this therapy. Curcumin, a natural bioactive product, is a dietary component which has gained increasing attention owing to its beneficial health properties. Here, we reported the protective effects of curcumin pretreatment on BMSCs injury induced by hydrogen peroxide (H2O2), which was used as ROS source of oxidative stress in vitro...
October 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29030786/routine-treatment-and-outcome-of-breast-cancer-in-younger-versus-elderly-patients-results-from-the-senora-project-of-the-prospective-german-tmk-cohort-study
#18
Thomas Fietz, Mark-Oliver Zahn, Andreas Köhler, Erik Engel, Melanie Frank, Lisa Kruggel, Martina Jänicke, Norbert Marschner
PURPOSE: There is an ongoing discussion about 'undertreatment' of breast cancer in elderly patients. Due to low accrual into clinical trials, level 1 evidence is scarce. We report prospective data of elderly patients with breast cancer treated by medical oncologists in Germany. METHODS: The SENORA project within the prospective cohort study TMK (Tumour Registry Breast Cancer) was conducted in 82 centres from 2007-2015. Among 2316 patients, half were enrolled with curative and half with palliative treatment intention...
October 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29024873/photodynamic-therapy-for-schistosoma-mansoni-promising-outcomes
#19
Nathália Bandeira de Melo, Letícia Fernanda Moreira Dos Santos, Mayara Santos de Castro, Raquel Lopes Martins Souza, Marcos José Marques, Aline Pereira Castro, Andreísa Teixeira de Castro, Marina Lara de Carli, João Adolfo Costa Hanemann, Matheus Siqueira Silva, Gabriel de Oliveira Isac Moraes, Luiz Alberto Beijo, Maísa Ribeiro Pereira Lima Brigagão, Felipe Fornias Sperandio
The purpose of this study was to assess, for the very first time, the effects of photodynamic therapy (PDT) on Schistosoma mansoni in vitro by measuring reactive oxygen species (ROS) generation throughout the treatment, as well as the behavior of the parasites (mating, motility and contraction/shortening), and damage to their tegument and excretory systems. The parasites were divided into 4 groups: control, photosensitizer, laser and PDT. Light irradiation was delivered with an InGaAlP low-level laser device operating at 660nm, with 40mW and 100J/cm(2)...
September 22, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29017954/low-level-led-photodynamic-therapy-using-curcumin-loaded-tetraether-liposomes
#20
Lili Duse, Shashank Reddy Pinnapireddy, Boris Strehlow, Jarmila Jedelská, Udo Bakowsky
Oncological use of photodynamic therapy is an evolving field in cancer therapeutics. Photosensitisers are prone to accumulation inside healthy tissues causing undesirable effects. To avoid this, we have developed tetraether lipid liposomal formulations containing curcumin which is a naturally occurring anti-cancer substance and deemed to be safe towards healthy cells. Upon excitation with light at a specific wavelength, curcumin produces reactive oxygen species (ROS) in presence of oxygen, thereby exhibiting a cytotoxic effect towards the surrounding tissues, giving a total control on the onset of therapy...
October 7, 2017: European Journal of Pharmaceutics and Biopharmaceutics
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