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4 edition of Effects of low-level laser irradiation on neurite growth and growth cone dynamics found in the catalog.

Effects of low-level laser irradiation on neurite growth and growth cone dynamics

Jacob Stegenga

Effects of low-level laser irradiation on neurite growth and growth cone dynamics

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  • 20 Currently reading

Published by National Library of Canada in Ottawa .
Written in English


Edition Notes

Thesis (M.Sc.) -- University of Toronto, 2003.

SeriesCanadian theses = -- Thèses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative.
ID Numbers
Open LibraryOL19857255M
ISBN 100612844897
OCLC/WorldCa57061746

The aim of the study was to assess the efficacy of laser therapy (at different wavelengths: , , and nm) for treating pressure ulcers. The primary endpoint in this trial included both the percentage reduction of the ulcer surface area and the percentage of completely healed wounds after one month of therapy (ulcer healing rate).Cited by: The effects of low-level radiation inhumans are usually estimated by extrapolation from high-level effects. Biological radiation effects from low-level radiation can be defined as those from doses below which no deterministic or graded biological responses will occur. In addition, the health. Oct 13,  · The architectural dynamics of the living growth cone is vividly demonstrated and available for quantitative analysis in two QuickTime movies accompanying this article. We also composed still-frame sequences to illustrate some of the dynamic aspects of birefringent elements of the growth cone.


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Effects of low-level laser irradiation on neurite growth and growth cone dynamics by Jacob Stegenga Download PDF EPUB FB2

It has been speculated that the biostimulatory effect of Low Level Laser Therapy could cause undesirable enhancement of tumor growth in neoplastic diseases. The aim of the present study is to analyze the behavior of melanoma cells (B16F10) in vitro and the in vivo development of melanoma in mice after laser leboostcamp.com by: Rockind () studied using direct nm HeNe laser irradiation to determine the effect of focused laser beams on aggregates of rat fetal brain cells and rat adult brain.

The direct He-Ne laser irradiation J/cm2 caused a significant amount of sprouting of cellular processes outgrowth in aggregates, compared to small amounts produced by non. However, its effects on the extent and short-term stability of rotational tooth movement have not been researched.

The purpose of this study was to investigate the effect of low-level laser irradiation during rotational tooth movement on the rate of movement and the amount of relapse in leboostcamp.com by: Jun 01,  · This is the first study suggesting that activation of MAPK by nm irradiation promotes neurite outgrowth in the neurons.

Some previous studies have suggested that low level light (LLL, nm wavelength light) irradiation enhances axonal growth and nerve regeneration in both rat spinal cord, and peripheral nerve leboostcamp.com by: The effects of low level laser radiation on bacterial growth.

Objective: The low level lasers currently in the market vary in wavelength, dosage, and frequency. These devices are used with much different clinical pathology.

Low –level laser irradiation also known as laser biostimulation have been clinically used for many years. Its application include wound healing, soft and hard tissue,, treating pain syndromes, enthesopathy, peripheral nerve injury and peripheral leboostcamp.com: Magdelena Mackiewicz-Milewska, Elżbieta Grześk, Andrzej C.

Kroszczyński, Małgorzata Cisowska-Adamiak. Purpose: This study evaluated the effect of low-level laser therapy (LLLT)on bone healing after tooth extraction in healthy rabbits and compared the effect between single and multiple doses of.

The use of low level laser to reduce pain, inflammation and edema, to promote wound, deeper tissues and nerves healing, and to prevent tissue damage has been known for almost forty years since the invention of leboostcamp.com by: Low Level Laser Therapy: Current Clinical Practice in Northern Ireland G D BAXTERBSCMCSP Reyearch Officer.

Hioniedical Science\ Rewarcti Ccntre Introduction ONE of the most fascinating developments within the field of electrotherapy in recent years has been the introduction of low power lasers and superluminous diodes*, typically operating at power densities in the milliwatt range, as a Cited by: cell types, low-level laser therapy (LLLT) stands out.

The target of this study is to perform a literature review to investigate these effects of low-level laser irradiation on proliferation of human dental leboostcamp.com electronic search of scientific papers was conducted in the Lilacs, Scie.

Sep 01,  · Loevschall H, Arenholt-Bindslev D. Effect of low level diode laser irradiation of human oral mucosa fibroblasts in vitro.

Lasers Surg Med. ; – Lopes-Martins RA, Albertini R, Martins PS, Bjordal JM, Faria Neto HC. Spontaneous effects of low-level laser therapy ( nm) in acute inflammatory mouse pleurisy induced by leboostcamp.com by: Kreisler et al have studied the potential stimulatory effect of low-level laser irradiation on the proliferation of human periodontal ligament fibroblasts (PDLF).

The outcome of the study showed higher proliferation rate for treatment group compared to control group where the effect was significant at 72 hr post irradiation (20).Cited by: The effects of low level laser (LLL) irradiation on the proliferation of human buccal fibroblasts were studied.

A standardized LLL set-up was developed ( nm, ± mW/cm2). CONCLUSIONS: Low-level He-Ne laser therapy could exert therapeutic effects on eccentric exercise-induced rat muscle injury through enhancing muscle anti-oxidative capacity and reducing the inflammatory leboostcamp.com by: Aug 09,  · Effects of increased low-level diode laser irradiation time on extraction socket healing in rats.

Authors; Authors and affiliations Effects of platelet-derived growth factor on bone formation in vitro. J Cell Physiol Hsu CC, Pang JH, Lin MS, Chen YH, Liang FC () Low-level laser irradiation stimulates tenocyte migration with Cited by: Sep 04,  · A positive effect of low-level laser irradiation (LLLI) on the proliferation of some cell types has been observed, but little is known about its effect on dental pulp stem cells (DPSCs).

The aim of this study was to identify the lowest energy density able to promote the proliferation of DPSCs and to maintain cell leboostcamp.com by: The effect of a nm Light Emitting Diode (LED) light irradiation on the neurite growth velocity of adult Dorsal Root Ganglion (DRG) neurons with peripheral axon injury days before plating.

Nov 20,  · It has been speculated that the biostimulatory effect of Low Level Laser Therapy could cause undesirable enhancement of tumor growth in neoplastic diseases. The aim of the present study is to analyze the behavior of melanoma cells (B16F10) in vitro and the in vivo development of melanoma in mice after laser leboostcamp.com by: Results.

Effects of laser light on platelet activation and reactivity were significant over a wide range of applied energies (p laser light energies (18 and 54 J) increased platelet activation, the irradiation with a high-energy laser light ( J) resulted in depressed platelet reactivity and attenuated platelet response to leboostcamp.com by: Low-level laser therapy (LLLT), also referred to as therapeutic laser, has been recommended for a wide array of clinical procedures, among which the treatment of dentinal hypersensitivity.

However, the mechanism that guides this process remains unknown. The low level laser therapy (LLLT) has demonstrated to have an analgesic, anti-inflammatory and biostimulating effects. The LLLT is a noninvasive, quick and safe, non-pharmaceutical intervention. Jan 04,  · Studies indicate that low power laser irradiation can enhance biomechanical properties of bone during fracture healing in animal models.

Maximum bone tolerance was statistically improved following low level laser irradiation (average random effect size95% CI -p ).Cited by: the possible effects of low-level laser irradiation on various growth factors involved in wound healing.

These and other researchers are building upon the foundation of understanding assembled by Endre Mester and other pioneers of photobiomodulation. As always, clinicians are advised to review the. Objective. The effects of low-intensity nm semiconductor laser irradiation at J/cm 2 (LISL) on wound healing in diabetic rats were studied in this paper.

Methods. 36 diabetic rats with dorsal cutaneous excisional wounds were divided into three LISL groups and a control group randomly. The three LISL groups were irradiated with LISL at 5, 10, and 20 mW/cm2 five times a week Cited by: Mar 21,  · This study aimed to evaluate the effects of low-level laser therapy (LLLT) immediately before tetanic contractions in skeletal muscle fatigue development and possible tissue damage.

Male Wistar rats were divided into two control groups and nine active LLLT groups receiving one of three different laser doses (1, 3, and 10 J) with three different wavelengths (,and nm) before Cited by: Aug 29,  · Diabetes mellitus (DM) leads to a decrease in bone mass and increase the risk of osteoporosis and in this context, many treatments have shown to accelerate bone metabolism.

It seems that low-level laser therapy (LLLT) is able of stimulating osteoblast activity and produced increased biomechanical properties. However, its effects on bone in diabetic rats are not fully elucidated.

The Cited by: potent stimulatory effect of EGF on cell proliferation [18]. To our knowledge, there have been, as yet, no studies on the effects of low-level laser irradiation in combination with EGF on ADSCs.

The aim of this study was to investigate the effect of low-level laser irradiation and EGF on adult stem cells isolated from human adipose tissue. Physiological Effects of Low Intensity Laser Therapy PATIENT INFO What is Laser Therapy.

• Production of growth hormone is increased The end result of low intensity laser irradiation is the restoration of normal function of the cell unit.

Conversely, worldwide research to date has failed to record any negative effects from this process. Baishideng Publishing Group Inc, Koll Center Parkway, SuitePleasanton, CAUSA Pereira AN, Eduardo Cde P, Matson E, Marques MM.

Effect of low-power laser irradiation on cell growth and procollagen synthesis of cultured fibroblasts. Lasers Arenholt-Bindslev D. Effect of low level diode laser irradiation of human oral Cited by: 3. Methods: Mesenchymal stem cells derived from bone marrow and adipose tissue were submitted to two applications (T0 and T48 hours) of low-level laser irradiation (nm; doses of and J/cm 2).The trypan blue assay was used to evaluate cell viability, and growth curves were used to analyze proliferation at zero, 24, 48, and 72 hours.

Effects of Radiation on Human Development and Growth 74 A. Intrauterine Irradiation 74 B. Postnatal Irradiation 76 C. Acute Effects of Radiation on the Human Fetus 76 III.

Biologic Basis of the Special Vulnerability of Developing Organisms 77 IV. The growth conewas subjected to laser irradiation on one side of the growth cone (white circle) beginning at t = 0 min (B) and ending at t = 5 min (C), and the growth cone was observed for another 10 min (D and E).

The lamellipodia in the irradiated half retracts (B–D) and begins to recover by t = 10 min (E). Scale bar, 10 μm. Laser is described as a source of light or radiation energy 2. Low Level Laser (LLL) is a special type of laser that effects on biologic systems through non-thermal means 3. This area of investigation started with the work of Mester et al in They reported non-thermal effects of lasers on mouse hair growth 4.

Low intensity laser irradiation (LILI) was found to promote the regeneration of skeletal muscle in vivo but the cellular mechanisms are not fully understood.

Myoblasts, normally quiescent and inactivated in adult skeletal muscle, are a type of myogenic progenitor cells and considered as the major candidates responsible for muscle leboostcamp.com by: 1. Laser Florence Influence of Low Level Laser Radiation on Migration of Stem Cells Levon Gasparyan1, Grigory Brill2, Anu Makela3 1 EMRED Oy, Valpurintie 8 A 8, Helsinki,Finland 2 Sa ratov S a e Medical University, Delovoj proezd 12, Apt.

16, Sa v,Russia 3 ABER Institut e, Kaisaniem nkatu 3 A 5, Helsinki,Finland Abstract: The long term effects of low level laser. ABSTRACT.

PURPOSE: To determine the influence of low-level laser therapy on femoral growth plate in rats. METHODS: Thirty male Wistar rats aged 40 days were divided into two groups, G1 and leboostcamp.com G1 the area of the distal growth plate of the right femur was irradiated at one point using GaAlAs laser nm wavelength, output power of 40 mW, at an energy density of 10 J/cm 2.

Objective: The aim of this study was to investigate the irradiance-dependency of low-level laser therapy (LLLT) effects on bacterial growth. Background: LLLT is applied to open wounds to improve healing; however, its effect on wound bacteria is not well understood.

The contentious field of low level laser therapy (LLLT) has made remarkable claims in facilitating wound healing in soft tissue injuries of various types. Yet, the mechanism(s) invoked in these beneficial effects are poorly understood. We have investigated the effects of LLLT using a nm laser on satellite cells in culture and in-vivo.

Using. Cold Laser Therapy Market: Segmentation. Cold laser therapy market is classified on the basis of application and region. Cold lasers also known as low-level lasers emit through its low-powered laser light do not heat the target tissues/5(14).

The present study investigated the effects of low-level laser therapy (LLLT) on the mitochondria, nucleus, and cytoskeleton of CHO K-1 cells by the use of specific fluorescent probes. The use of LLLT has been recommended by several authors for acceleration of the healing process. Jul 08,  · Objective: The purpose of this study was to assess the effects of hyperbaric oxygen (HBO) and near-infrared light therapy on wound leboostcamp.comound Data: Light-emitting diodes (LED), originally developed for NASA plant growth experiments in space show promise for delivering light deep into tissues of the body to promote wound healing and human tissue leboostcamp.com by: It is known that low-level laser therapy (LLLT), using appropriate protocols, improves wound healing.

This study evaluated the effects of laser light (λ nm) on the maturation of granulation tissue, focusing on neoangiogenesis, TGF-β, and collagen matrix expression in cutaneous wounds in rodents.Mark Crislip, MD has been a practicing Infectious Disease specialist in Portland, Oregon, since He is a founder and the President of the Society for Science-Based Medicine where he blogs under the name sbmsdictator.

He has been voted a US News and World Report best US doctor, best ID doctor in Portland Magazine multiple times, has multiple teaching awards and, most importantly, the.