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low-level light therapy

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https://www.readbyqxmd.com/read/29339061/dose-dependent-photochemical-photothermal-toxicity-of-indocyanine-green-based-therapy-on-three-different-cancer-cell-lines
#1
Mustafa Kemal Ruhi, Ayşe Ak Can, Murat Gülsoy
The Food and Drug Administration-approved Indocyanine Green can be used as a photosensitizer to kill cancer cells selectively. Although indocyanine green is advantageous as a photosensitizer in terms of strong absorption in the near-infrared region, indocyanine green-based cancer treatment is still not approved as a clinical method. Some reasons for this are aggregation at high concentrations, rapid clearance of the photosensitizer from the body, low singlet oxygen quantum yield, and the uncertainty concerning its action mechanism...
January 12, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29334682/body-mass-index-and-plasma-p-selectin-before-coronary-stenting-predict-high-residual-platelet-reactivity-at-6-months-on-dual-antiplatelet-therapy
#2
Elena Z Golukhova, Marina V Grigoryan, Mariya N Ryabinina, Naida I Bulaeva, Victor L Serebruany
BACKGROUND: High residual platelet reactivity (HRPR) during dual antiplatelet therapy (DAPT) may impact clinical outcomes following percutaneous coronary interventions (PCI). However, whether any biomarkers assessed before PCI at DAPT loading may predict delayed maintenance HRPR is not clear. OBJECTIVE: The aim of this study was to determine whether conventional clinical or laboratory indices at loading before stenting may predict HRPR at 6 months of maintenance DAPT...
January 16, 2018: Cardiology
https://www.readbyqxmd.com/read/29330655/effectiveness-for-dentin-hypersensitivity-treatment-of-non-carious-cervical-lesions-a-meta-analysis
#3
REVIEW
Vittorio Moraschini, Larissa Salina da Costa, Gustavo Oliveira Dos Santos
OBJECTIVE: The aim of this review is to conduct a systematic review and meta-analysis comparing the effectiveness of in-home or in-office treatments for dentin hypersensitivity. MATERIALS AND METHODS: An electronic search without restriction on dates or languages was performed in four electronic databases until March 2017. In addition, hand-searches in regular journals and in the gray literature were also conducted. To develop the search strategy, clinical questions were formulated using the PICOS method...
January 12, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29316189/acute-lumbar-paraspinal-compartment-syndrome-a-systematic-review
#4
REVIEW
William Alexander, Nelson Low, George Pratt
While still a rare entity, acute lumbar paraspinal compartment syndrome has an increasing incidence. Similar to other compartment syndromes, acute lumbar paraspinal compartment syndrome is defined by raised pressure within a closed fibro-osseous space, limiting tissue perfusion within that space. The resultant tissue ischaemia presents as acute pain, and if left untreated, it may result in permanent tissue damage. A literature search of 'paraspinal compartment syndrome' revealed 21 articles. The details from a case encountered by the authors are also included...
January 8, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29260827/multifunctional-cu-ag2s-nanoparticles-with-high-photothermal-conversion-efficiency-for-photoacoustic-imaging-guided-photothermal-therapy-in-vivo
#5
Lile Dong, Guanming Ji, Yu Liu, Xia Xu, Pengpeng Lei, Kaimin Du, Shuyan Song, Jing Feng, Hongjie Zhang
Photothermal therapy (PTT) has attracted increasing interest and become widely used in cancer therapy owing to its noninvasiveness and low level of systemic adverse effects. However, there is an urgent need to develop biocompatible and multifunctional PTT agents with high photothermal conversion efficiency. Herein, biocompatible Cu-Ag2S/PVP nanoparticles (NPs) with strong near-infrared absorption and high photothermal conversion efficiency were successfully synthesized for high-performance photoacoustic (PA) imaging-guided PTT in vivo...
December 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/29250712/photostimulation-of-osteogenic-differentiation-on-silk-scaffolds-by-plasma-arc-light-source
#6
Anıl Sera Çakmak, Soner Çakmak, H Seda Vatansever, Menemşe Gümüşderelioğlu
Low-level laser therapy (LLLT) has been used for more than 30 years to heal wounds. In recent years, LLLT or photostimulation has been indicated as an effective tool for regenerative and dental medicine by using monochromatic light. The aim of this study is to indicate the usability of plasma arc light source for bone regeneration. This is why we used polychromatic light source providing effective wavelengths in the range of 590-1500 nm for cellular response and investigated photostimulation effects on osteogenic differentiation of human mesenchymal stem cells (hMSCs) seeded on 3D silk scaffolds...
December 18, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29250710/a-review-of-monochromatic-light-devices-for-the-treatment-of-alopecia-areata
#7
REVIEW
Evan Darwin, Harleen Arora, Penelope A Hirt, Tongyu Cao Wikramanayake, Joaquin J Jimenez
There are many laser technologies that are being tested that claim to support hair regrowth for patients with alopecia areata (AA). In this paper, we will determine whether the body of evidence supports the use of devices using monochromatic light sources to treat AA. Articles were gathered from PubMed, Embase, and the Cochrane database using these keywords: lasers, excimer laser, low-level laser therapy (LLLT), low-level light therapy, alopecia, alopecia areata, and hair loss with a category modifier of English...
December 17, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29240719/pericardial-effusion-as-a-presenting-symptom-of-hashimoto-thyroiditis-a-case-report
#8
Alberto Leonardi, Laura Penta, Marta Cofini, Lucia Lanciotti, Nicola Principi, Susanna Esposito
Background: Hashimoto thyroiditis (HT) is the most frequent cause of acquired hypothyroidism in paediatrics. HT is usually diagnosed in older children and adolescents, mainly in females and is rare in infants and toddlers with cardiac involvement, including pericardial effusion, that can be found in 10% to 30% of adult HT cases. In this paper, a child with HT and pericardial effusion as the most important sign of HT is described. Case presentation: A four-year-old male child suffering for a few months from recurrent abdominal pain sometimes associated with vomiting underwent an abdominal ultrasound scan outside the hospital...
December 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29227581/aging-of-lymphoid-organs-can-photobiomodulation-reverse-age-associated-thymic-involution-via-stimulation-of-extrapineal-melatonin-synthesis-and-bone-marrow-stem-cells
#9
REVIEW
Denis Odinokov, Michael R Hamblin
Thymic atrophy and the subsequent reduction in T cell production are the most noticeable age-related changes affecting lymphoid organs in the immune system. In fact thymic involution has been described as "programmed aging". New therapeutic approaches such as photobiomodulation (PBM) may reduce or reverse these changes. PBM (also known as low-level laser therapy or LLLT) involves the delivery of non-thermal levels of red or near-infrared light that are absorbed by mitochondrial chromophores, in order to prevent tissue death and stimulate healing and regeneration...
December 11, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29227199/two-step-irradiance-treatment-can-achieve-excellent-pain-control-during-red-light-5-aminolevulinic-acid-photodynamic-therapy-for-actinic-keratoses
#10
Gyorgy Paragh, Nathalie C Zeitouni
OBJECTIVE: To evaluate the ability of two-step irradiance to maintain pain control during red light 5-aminolevulinic acid (ALA) photodynamic therapy (PDT) for actinic keratoses (AK) and assess factors influencing pain. BACKGROUND: PDT provides excellent clinical and cosmetic results in the treatment AK and early basal cell carcinomas (BCC). Widespread use of PDT is limited, in part, by pain. A two-step irradiance method for PDT has previously been shown to significantly reduce PDT-associated pain during the treatment of BCC, but the ability of this method to limit pain during the treatment of AKs has not been reported...
December 11, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29222972/factors-associated-with-adverse-pregnancy-outcomes-in-women-with-systematic-lupus-erythematosus
#11
Masashi Deguchi, Yoko Maesawa, Shino Kubota, Mayumi Morizane, Kenji Tanimura, Yasuhiko Ebina, Hideto Yamada
The aim of this prospective study was to determine clinical factors associated with adverse pregnancy outcomes in women with systematic lupus erythematosus (SLE). Fifty-six pregnancies from 46 women with SLE were enrolled. Risk factors for pregnancy loss, premature delivery, hypertensive disorders of pregnancy (HDP), and light-for-date neonate (LFD), were evaluated. Univariate and multivariate logistic regression analyses revealed a history of two or more pregnancy losses before 10 gestational weeks (GW) (OR 11...
November 27, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29209866/photobiomodulation-therapy-protects-skeletal-muscle-and-improves-muscular-function-of-mdx-mice-in-a-dose-dependent-manner-through-modulation-of-dystrophin
#12
Gianna Móes Albuquerque-Pontes, Heliodora Leão Casalechi, Shaiane Silva Tomazoni, Andrey Jorge Serra, Cheila de Sousa Bacelar Ferreira, Rodrigo Barbosa de Oliveira Brito, Brunno Lemes de Melo, Adriane Aver Vanin, Kadma Karênina Damasceno Soares Monteiro, Humberto Dellê, Lucio Frigo, Rodrigo Labat Marcos, Paulo de Tarso Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
This study aimed to analyze the protective effects of photobiomodulation therapy (PBMT) with combination of low-level laser therapy (LLLT) and light emitting diode therapy (LEDT) on skeletal muscle tissue to delay dystrophy progression in mdx mice (DMD mdx ). To this aim, mice were randomly divided into five different experimental groups: wild type (WT), placebo-control (DMD mdx ), PBMT with doses of 1 J (DMD mdx ), 3 J (DMD mdx ), and 10 J (DMD mdx ). PBMT was performed employing a cluster probe with 9 diodes (1 x 905nm super-pulsed laser diode; 4 x 875nm infrared LEDs; and 4 x 640nm red LEDs, manufactured by Multi Radiance Medical®, Solon - OH, USA), 3 times a week for 14 weeks...
December 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29208007/a-pilot-study-to-determine-the-effect-of-one-physical-therapy-session-on-physical-activity-levels-for-individuals-with-chronic-low-back-pain
#13
Wayne Brewer, Brian T Swanson, Toni S Roddey, Habeeblai Adewale, Caleb Ashmore, Jennifer Frerich, Cory Perrin, Alexis Ortiz
BACKGROUND: A pilot study was conducted to quantify the effect size of changes in physical activity after of one session of physical therapy for individuals with chronic low back pain and to determine factors that predict daily sedentary activity time. METHODS: Fourteen subjects with at least 3 days of physical activity accelerometer data were analyzed before and after one session of physical therapy. Data was analyzed using 1-tailed, paired t-tests with level of significance set at 0...
December 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29207005/global-health-journal-club-is-honey-effective-as-a-treatment-for-chemotherapy-induced-mucositis-in-paediatric-oncology-patients
#14
Amanda Friend, Fidel Rubagumya, Peter Cartledge
Oral mucositis (OM) is an inflammatory response of mucosal epithelium to the cytotoxic effects of chemotherapy and radiotherapy causing severe oral pain and ulceration, which may complicate the management of cancer. The Mucositis Prevention Guideline Development Group has developed an international guideline for the prevention of mucositis in children receiving treatment for cancer or undergoing haematopoietic stem cell transplantation. Evidence-based preventative strategies include cryotherapy, low-level light therapy and keratinocyte growth factor...
November 30, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29185134/when-is-the-best-moment-to-apply-photobiomodulation-therapy-pbmt-when-associated-to-a-treadmill-endurance-training-program-a-randomized-triple-blinded-placebo-controlled-clinical-trial
#15
Eduardo Foschini Miranda, Shaiane Silva Tomazoni, Paulo Roberto Vicente de Paiva, Henrique Dantas Pinto, Denis Smith, Larissa Aline Santos, Paulo de Tarso Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
Photobiomodulation therapy (PBMT) employing low-level laser therapy (LLLT) and/or light emitting diode therapy (LEDT) has emerged as an electrophysical intervention that could be associated with aerobic training to enhance beneficial effects of aerobic exercise. However, the best moment to perform irradiation with PBMT in aerobic training has not been elucidated. The aim of this study was to assess the effects of PBMT applied before and/or after each training session and to evaluate outcomes of the endurance-training program associated with PBMT...
November 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29166921/identification-of-epidermal-growth-factor-receptor-positive-glioblastoma-using-lipid-encapsulated-targeted-superparamagnetic-iron-oxide-nanoparticles-in-vitro
#16
Huai-Lu Chen, Fei-Ting Hsu, Yu-Chieh Jill Kao, Hua-Shan Liu, Wan-Zhen Huang, Chia-Feng Lu, Ping-Huei Tsai, Ahmed Atef Ahmed Ali, Gilbert Aaron Lee, Ray-Jade Chen, Cheng-Yu Chen
BACKGROUND: Targeted superparamagnetic iron oxide (SPIO) nanoparticles have emerged as a promising biomarker detection tool for molecular magnetic resonance (MR) image diagnosis. To identify patients who could benefit from Epidermal growth factor receptor (EGFR)-targeted therapies, we introduce lipid-encapsulated SPIO nanoparticles and hypothesized that anti-EGFR antibody cetuximab conjugated of such nanoparticles can be used to identify EGFR-positive glioblastomas in non-invasive T2 MR image assays...
November 22, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29156346/abcg2-mediated-suppression-of-chlorin-e6-accumulation-and-photodynamic-therapy-efficiency-in-glioblastoma-cell-lines-can-be-reversed-by-ko143
#17
Sara A Abdel Gaber, Patricia Müller, Wolfgang Zimmermann, Dirk Hüttenberger, Rainer Wittig, Mahmoud H Abdel Kader, Herbert Stepp
BACKGROUND: Photodynamic therapy (PDT) of malignant brain tumors is a promising adjunct to standard treatment, especially if tumor stem cells thought to be responsible for tumor progression and therapy resistance were also susceptible to this kind of treatment. However, some photosensitizers have been reported to be substrates of ABCG2, one of the membrane transporters mediating resistance to chemotherapy. Here we investigate, whether inhibition of ABCG2 can restore sensitivity to photosensitizer chlorin e6-mediated PDT...
October 28, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29154796/treatment-of-cancer-by-low-intensity-laser-radiation-therapy
#18
REVIEW
Sahar E Abo-Neima
Cancer treatment is one of the main challenges that face the scientific centers all over the world. The cancer incidence percentage increases year after year. The most used treatment for cancer is chemotherapy which is an application of systemic cytotoxic drug inside the patient. There are two main problems in chemotherapy that the cytotoxic drug is given systematically and cannot be localized in the tumor region in most cases that lead to killing the cancer cells as well as normal cells; and that cause the chemotherapy side effects like anemia, decrease in all blood cells count and platelets, nausea, vomiting, diarrhea, hair and nails loss and may cause a kind of blood toxicity...
November 14, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/29144172/disruptions-in-sleep-wake-cycles-in-community-dwelling-cancer-patients-receiving-palliative-care-and-their-correlates
#19
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
#20
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
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