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Photobiomodulation

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16 papers 0 to 25 followers
https://www.readbyqxmd.com/read/29091156/low-level-laser-irradiation-promotes-proliferation-of-cryopreserved-adipose-derived-stem-cells
#1
Fernanda Ginani, Diego Moura Soares, Hugo Alexandre de Oliveira Rocha, Carlos Augusto Galvão Barboza
OBJECTIVE: To evaluate the effect of low-level laser irradiation on proliferation and viability of murine adipose-derived stem cells previously submitted to cryopreservation. METHODS: Adipose-derived stem cells were isolated from inguinal fat pads of three mice, submitted to cryopreservation in fetal bovine serum with 10% dimethylsulfoxide for 30 days and then thawed and maintained in normal culture conditions. Culture cells were either irradiated or not (control) with an InGaAIP diode laser at zero and 48 hours, using two different energy densities (0...
July 2017: Einstein
https://www.readbyqxmd.com/read/29099680/pre-exercise-infrared-photobiomodulation-therapy-810%C3%A2-nm-in-skeletal-muscle-performance-and-postexercise-recovery-in-humans-what-is-the-optimal-power-output
#2
Adriano Rodrigues de Oliveira, Adriane Aver Vanin, Shaiane Silva Tomazoni, Eduardo Foschini Miranda, Gianna Móes Albuquerque-Pontes, Thiago De Marchi, Vanessa Dos Santos Grandinetti, Paulo Roberto Vicente de Paiva, Treice Beatriz Gonçalves Imperatori, Paulo de Tarso Camillo de Carvalho, Jan Magnus Bjordal, Ernesto Cesar Pinto Leal-Junior
BACKGROUND: Photobiomodulation therapy (PBMT) has recently been used to alleviate postexercise muscle fatigue and enhance recovery, demonstrating positive results. A previous study by our research group demonstrated the optimal dose for an infrared wavelength (810 nm), but the outcomes could be optimized further with the determination of the optimal output power. OBJECTIVE: The aim of the present study was to evaluate the effects of PBMT (through low-level laser therapy) on postexercise skeletal muscle recovery and identify the best output power...
November 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28593105/photobiomodulation-with-near-infrared-light-helmet-in-a-pilot-placebo-controlled-clinical-trial-in-dementia-patients-testing-memory-and-cognition
#3
Marvin H Berman, James P Halper, Trent W Nichols, H Jarrett, Alan Lundy, Jason H Huang
Alzheimer's disease (AD) is a common, chronic expensive debilitating neurodegenerative disease with no current treatments to prevent the physical deterioration of the brain and the consequent cognitive deficits. The current pathophysiology of Alzheimer's disease is the accumulation of neurofibrillary tangles (NFTs) of hyperphosphorylated tau protein and amyloid-beta (Aβ) plaques. Antibody therapy of Tau and Amyloid beta, vaccines and other methods to decrease Tau and or Amyloid have not been successful after considerable pharmaceutical and biotech efforts...
2017: Journal of neurology and neuroscience
https://www.readbyqxmd.com/read/28646819/invisalign-with-photobiomodulation-optimizing-tooth-movement-and-treatment-efficacy-with-a-novel-self-assessment-algorithm
#4
Todd E Dickerson
No abstract text is available yet for this article.
March 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/28702985/photobiomodulation-with-polarized-light-in-the-treatment-of-cutaneous-and-mucosal-ulcerative-lesions
#5
S E Aragona, F R Grassi, G Nardi, J Lotti, G Mereghetti, E Canavesi, E Equizi, A M Puccio, T Lotti
In recent decades, regenerative medicine has achieved an important evolution at both a conceptual level and scientific production, which explains the current and future possibilities of therapy and daily clinical practice. The main aim of regenerative medicine is the complex system of repair/regeneration. The current literature on the subject demonstrates the advantage of visible light therapy for skin injuries and diseases with the photobiomodulation in which light at low energy levels modulates intra- and extra-cellular photoreceptors by molecular and cellular processes that can stimulate both anti-inflammatory mechanisms and cell proliferative response...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28742438/effect-of-low-level-laser-therapy-on-bone-regeneration-during-osseointegration-and-bone-graft
#6
Randa Zein, Wayne Selting, Stefano Benedicenti
BACKGROUND: The effect of low-level laser therapy (LLLT) on bone regeneration during osseointegration and bone graft is very controversial. Despite many positive reports of in vitro and in vivo studies and more than 50 randomized clinical trials claiming a positive effect of photobiomodulation (PBM), many reports found no significant effect of lasers. OBJECTIVE: The aim of this study was to evaluate studies correlating PBM and bone regeneration and to assesses parameters that produce positive results based on dose and output power used...
July 21, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29022754/different-protocols-of-photobiomodulation-therapy-of-hyposalivation
#7
Božana Lončar Brzak, Livia Cigić, Marinka Baričević, Ivan Sabol, Marinka Mravak-Stipetić, Dubravko Risović
AIM: Photobiomodulation (PBM) therapy has proved to be effective for a wide range of oral pathologies including oral dryness, but the literature still lacks reports of clinical trials and protocols. The purpose of our study was to evaluate the effects of different wavelengths of PBM on salivation in patients suffering from hyposalivation aiming at determination of optimal treatment protocol. MATERIALS AND METHODS: This study included 30 patients whose major salivary glands were treated with low-intensity diode laser BTL2000 (Medical Technologies, s...
October 12, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29056360/photobiomodulation-therapy-promotes-neurogenesis-by-improving-post-stroke-local-microenvironment-and-stimulating-neuroprogenitor-cells
#8
Luodan Yang, Donovan Tucker, Yan Dong, Chongyun Wu, Yujiao Lu, Yong Li, Juan Zhang, Timon Cheng-Yi Liu, Quanguang Zhang
Recent work has indicated that photobiomodulation (PBM) may beneficially alter the pathological status of several neurological disorders, although the mechanism currently remains unclear. The current study was designed to investigate the beneficial effect of PBM on behavioral deficits and neurogenesis in a photothrombotic (PT) model of ischemic stroke in rats. From day 1 to day 7 after the establishment of PT model, 2-minute daily PBM (CW, 808nm, 350mW/cm(2), total 294J at scalp level) was applied on the infarct injury area (1...
October 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29067616/a-clinical-review-of-phototherapy-for-psoriasis
#9
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/28944964/wnt-%C3%AE-catenin-and-erk-pathway-activation-a-possible-mechanism-of-photobiomodulation-therapy-with-light-emitting-diodes-that-regulate-the-proliferation-of-human-outer-root-sheath-cells
#10
Jung E Kim, Young J Woo, Ki M Sohn, Kwan H Jeong, Hoon Kang
BACKGROUND: Outer root sheath cells (ORSCs) play important roles in maintaining hair follicle structure and provide support for the bulge area. The hair growth promoting effects of photobiomodulation therapy (PBMT) have been reported, but the mechanisms for this in human ORCs (hORSCs) have rarely been studied. OBJECTIVE: The aim of this study was to investigate the effect of various wavelengths of light-emitting diode (LED) irradiation on human ORSCs (hORSCs). METHODS: LED irradiation effects on hORSC proliferation and migration were examined with MTT assay, BrdU incorporation assay and migration assays...
September 25, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/26714976/treatment-outcomes-of-micropulse-transscleral-cyclophotocoagulation-in-advanced-glaucoma
#11
Sarah Kuchar, Marlene R Moster, Courtney B Reamer, Michael Waisbourd
Glaucoma is the leading cause of irreversible blindness worldwide. The goal of this study was to describe our experience with the novel micropulse transscleral cyclophotocoagulation (MP-TSCPC; IRIDEX IQ810 Laser Systems, CA) in patients with advanced glaucoma. Patients with advanced glaucoma who underwent MP-TSCPC were included in our study. Laser settings were 2000 mW of 810 nm infrared diode laser set on micropulse delivery mode. The laser was delivered over 360° for 100-240 s. The duty cycle was 31.3 %, which translated to 0...
February 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/26949625/photobiomodulation-for-the-treatment-of-retinal-diseases-a-review
#12
REVIEW
Ivayla I Geneva
Photobiomodulation (PBM), also known as low level laser therapy, has recently risen to the attention of the ophthalmology community as a promising new approach to treat a variety of retinal conditions including age-related macular degeneration, retinopathy of prematurity, diabetic retinopathy, Leber's hereditary optic neuropathy, amblyopia, methanol-induced retinal damage, and possibly others. This review evaluates the existing research pertaining to PBM applications in the retina, with a focus on the mechanisms of action and clinical outcomes...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/26673826/effects-of-photobiomodulation-therapy-on-patients-with-primary-open-angle-glaucoma-a-pilot-study
#13
Boris T Ivandic, Tomislav Ivandic
OBJECTIVE: The purpose of this work was to study the safety of photobiomodulation therapy in patients with primary open angle glaucoma (POAG). BACKGROUND DATA: Therapeutic options for POAG focus on lowering the intraocular pressure (IOP) but cannot stop disease progression to irreversible damages. METHODS: The study was designed as a controlled, single-blinded, interventional case series (38 patients; 63 eyes). Low-level laser therapy was performed once or twice per week using a continuous wave (CW) diode laser (780 nm; 10 mW; 292 Hz modulation; 3 mm(2) beam spot)...
December 16, 2015: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/26762247/intraoral-photobiomodulation-induced-orthodontic-tooth-alignment-a-preliminary-study
#14
Timothy Shaughnessy, Alpdogan Kantarci, Chung How Kau, Darya Skrenes, Sanjar Skrenes, Dennis Ma
BACKGROUND: Numerous strategies have been proposed to decrease orthodontic treatment time. Photobiomodulation (PBM) has previously been demonstrated to assist in this objective. The aim of this study was to test if intraoral PBM increases the rate of tooth alignment and reduces the time required to resolve anterior dental crowding. METHODS: Nineteen orthodontic subjects with Class I or Class II malocclusion and Little's Irregularity Index (LII) ≥ 3 mm were selected from a pool of applicants, providing 28 total arches...
January 13, 2016: BMC Oral Health
https://www.readbyqxmd.com/read/26140461/photobiomodulation-with-low-level-diode-laser-promotes-osteoblast-migration-in-an-in-vitro-micro-wound-model
#15
Matilde Tschon, Serena Incerti-Parenti, Simona Cepollaro, Luigi Checchi, Milena Fini
Laser photobiomodulation can improve bone healing, but well-defined treatment parameters are lacking. Saos-2 human osteoblast-like cells were subjected to an in vitro scratch-wound healing assay and irradiated by a 915-nm gallium-aluminum-arsenide diode laser for 0, 48, 96, and 144 s using doses of, respectively, 0, 5, 10, and 15 J/cm(2) . Wound area was measured after 4, 24, 48, and 72 h. Cell viability, DNA content, gene expression, and release of bone-related proteins were evaluated after 24, 48, and 72 h...
July 2015: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/25204851/photobiomodulation-with-light-emitting-diodes-improves-sperm-motility-in-men-with-asthenozoospermia
#16
Helena Ban Frangez, Igor Frangez, Ivan Verdenik, Vid Jansa, Irma Virant Klun
Sperm motility is an important parameter of male fertility and depends on energy consumption. Photobiomodulation with light-emitting diode (LED) is known to stimulate respiratory chain in mitochondria of different mammalian cells. The aim of this research was to evaluate the effect of photobiomodulation with LED on sperm motility in infertile men with impaired sperm motility-asthenozoospermia. Thirty consecutive men with asthenozoospermia and normal sperm count who visited the infertility clinic of University Medial Centre Ljubljana between September 2011 and February 2012 were included in the study...
January 2015: Lasers in Medical Science
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