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https://www.readbyqxmd.com/read/28938592/visible-light-sensitive-titanium-dioxide-nanoplatform-for-tumor-responsive-fe2-liberating-and-artemisinin-delivery
#1
Huijuan Zhang, Hongling Zhang, Xing Zhu, Xiaoge Zhang, Qianqian Chen, Jianjiao Chen, Lin Hou, Zhenzhong Zhang
Artemisinin is a kind of Fe(2+)-dependent drugs. Artemisinin and Fe(2+) co-transport systems can improve its anti-tumor effect. In this study, a visible light-sensitive nanoplatform (HA-TiO2-IONPs/ART) was developed. Detailed investigation demonstrated that HA-TiO2-IONPs/ART could realize Fe(2+) and artemisinin synchronous co-delivery and tumor-responsive release. This feature enhanced the anti-tumor efficiency of artemisinin significantly. In vitro results proved that hyaluronic acid modification could improve the biocompatibility, dispersion stability and cytophagy ability of nanocarriers...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937886/effectiveness-of-biology-based-methods-for-inhibiting-orthodontic-tooth-movement-a-systematic-review
#2
M Cadenas de Llano-Pérula, R M Yañez-Vico, E Solano-Reina, J C Palma-Fernandez, A Iglesias-Linares
INTRODUCTION: Several experimental studies in the literature have tested different biology-based methods for inhibiting or decreasing orthodontic tooth movement (OTM) in humans. This systematic review investigated the effects of these interventions on the rate of tooth movement. STUDY DESIGN: Electronic [MedLine; SCOPUS; Cochrane Library; OpenGrey;Web of Science] and manual searches were conducted up to January 26th, 2016 in order to identify publications of clinical trials that compared the decreasing or inhibiting effects of different biology-based methods over OTM in humans...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28936145/efficacy-and-safety-of-short-pulse-erbium-yttrium-aluminum-garnet-laser-treatment-of-becker-s-nevus-in-saudi-patients-a-pilot-study
#3
Fahad Al-Saif, E Al-Mekhadab, H Al-Saif
OBJECTIVE: Becker's nevus (BN) is a benign cutaneous hamartoma. Although different types of lasers have been used to treat the pigmentary part of BN, to date, no definite treatment modality has been determined. The objective of this study is to evaluate the efficacy and safety of erbium: yttrium aluminum garnet (Er: YAG) laser treatment among Saudi patients with BN. PATIENTS AND METHODS: A series of 10 patients (skin phototypes III-V) with BN underwent treatment with an Er: YAG laser...
July 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/28935533/analysis-of-gene-expression-of-basic-fibroblast-growth-factor-bfgf-following-photodynamic-therapy-in-human-gingival-fibroblasts
#4
Roghayeh Mokhtari Asl, Pegah Ghoraeian, Abbas Monzavi, Abbas Bahador
BACKGROUND: Periodontal diseases are pathological inflammatory conditions of multifactorial etiology that develops in response to periodontopathic bacteria. Recently, photodynamic therapy (PDT) has begun to be incorporated as an adjuvant treatment for periodontal diseases. However, the effect of PDT on tissue regeneration is not yet completely clear. This study aimed to analyze the gene expression of basic fibroblast growth factor (bFGF) following PDT in human gingival fibroblasts (HuGu) cells in vitro...
September 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28935484/effects-of-low-level-laser-therapy-and-platelet-concentrate-on-bone-repair-histological-histomorphometric-immunohistochemical-and-radiographic-study
#5
Thiago Hoffman Jonasson, Rafael Zancan, Lucas de Oliveira Azevedo, Ana Claudia Fonseca, Marcela Claudino da Silva, Allan Fernando Giovanini, João Cesar Zielak, Melissa Rodrigues de Araujo
PURPOSE: Low-level laser therapy (LLLT) can increase bone metabolism, cell proliferation, and maturation, and reduce inflammation, while platelet concentrate (PC) assists bone healing process by releasing proteins and growth factors. Here, we evaluated the efficacy of combined LLLT and PC therapy in the healing of critical-size bone defects. MATERIALS AND METHODS: Calvarial critical-size defects 5 mm in diameter were made in 48 Wistar rats. Bones were removed, milled, and used as autogenous bone grafts...
August 19, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28934376/managing-menopausal-symptoms-and-associated-clinical-issues-in-breast-cancer-survivors
#6
Richard J Santen, Cynthia A Stuenkel, Susan R Davis, JoAnn V Pinkerton, Anne Gompel, Mary Ann Lumsden
Objective: Review evidence to guide the management of menopausal signs and symptoms in women after breast cancer and make recommendations accordingly. Evidence: Randomized controlled clinical trials, observational studies, evidence- based guidelines, and expert opinion from professional societies. Background: Several symptoms and clinical problems associated with estrogen depletion -sleep disorders, vulvovaginal atrophy (VVA), vasomotor symptoms (VMS), mood changes, depressive symptoms, cardiovascular disease, osteopenia and osteoporosis- confront the estimated 9...
August 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28933536/a-bimetallic-silver-neodymium-theranostic-nanoparticle-with-multimodal-nir-mri-ct-imaging-and-combined-chemo-photothermal-therapy
#7
Sandeep K Mishra, S Kannan
An engineered metallic nanostructure is an excellent candidate for "theranosis" of cancer, having intrinsic properties of multimodal imaging and therapy. Toward this target, the development of silver-neodymium bimetallic nanoparticles (Ag-Nd BNPs) via microwave-assisted polyol synthesis is presented. The resultant Ag-Nd BNPs exhibit good monodispersity with average size of 10 nm, fluorescence in the near-infrared (NIR) region, and magnetic properties. The Ag-Nd BNPs also validate MRI, CT, and NIR trimodal imaging ability and enunciate valuable temperature response upon irradiation under a NIR laser...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28933502/synthesis-and-evaluation-of-new-5-aminolevulinic-acid-derivatives-as-prodrugs-of-protoporphyrin-for-photodynamic-therapy
#8
Wei Zhu, Ying-Hua Gao, Chun-Hong Song, Zhi-Bin Lu, Tabbisa Namulinda, Yi-Ping Han, Yi-Jia Yan, Lai-Xing Wang, Zhi-Long Chen
Protoporphyrin IX (PpIX) is used as a photosensitizer in the photodynamic diagnosis (PDD) and photodynamic therapy (PDT) of cancer and is synthesized intracellularly from 5-aminolevulinic acid (5-ALA) precursors. Thirteen novel 5-ALA derivatives were designed and synthesized appropriately with tailored hydrophilicity and lipophilicity. The generation of PpIX was detected and their antitumor activity in vitro and in vivo was also investigated. It was shown that compounds 9b-c, 11b-c and 13a displayed a characteristic long wavelength absorption peak at 593 nm after 5 h incubation in mice fibrosarcoma S180 cells...
September 21, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28933249/anesthetic-management-of-laser-lead-extraction-for-cardiovascular-implantable-electronic-devices
#9
Meena Bhatia, Payam Safavi-Naeini, Mehdi Razavi, Charles D Collard, Daniel A Tolpin, James M Anton
Cardiovascular implantable electronic devices (CIEDs) play a significant role in the modern management of cardiovascular disease. CIEDs include implantable pacemakers (PMs), implantable cardioverter-defibrillators (ICDs), and cardiac resynchronization therapy (CRT) devices. These devices improve the quality of life of their recipients and help reduce the incidence of sudden cardiac death. Traditionally, CIEDs have been reliant on the use of transvenous endocardial leads to directly connect with the heart. Over time, these endovascular leads may become endothelialized rendering removal extremely difficult...
September 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28932922/decreased-ocular-blood-flow-after-photocoagulation-therapy-in-neonatal-retinopathy-of-prematurity
#10
Tadashi Matsumoto, Takashi Itokawa, Tomoaki Shiba, Masahiko Tomita, Kotaro Hine, Norio Mizukaki, Hitoshi Yoda, Yuichi Hori
PURPOSE: To evaluate the relationships between optic nerve head blood flow, expressed as mean blur rate (MBR) measured by laser speckle flowgraphy (LSFG), and photocoagulation therapy in neonates with retinopathy of prematurity (ROP). STUDY DESIGN: Case series study. METHODS: We studied 5 ROP neonates either during sleep or under sedation both before and after photocoagulation, and evaluated 8 eyes in which the circulation could be measured three times consecutively...
September 20, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28932570/the-technique-of-endoscopic-airway-tumor-treatment
#11
REVIEW
Simone Scarlata, Lello Fuso, Gabriele Lucantoni, Francesco Varone, Daniele Magnini, Raffaele Antonelli Incalzi, Gianni Galluccio
More than half of primary lung cancers are not resectable at diagnosis and 40% of deaths may be secondary to loco-regional disease. Many of these patients suffer from symptoms related to airways obstruction. Indications for therapeutic endoscopic treatment are palliation of dyspnea and other obstructive symptoms in advanced cancerous lesions and cure of early lung cancer. Bronchoscopic management is also indicated for all those patients suffering from benign or minimally invasive neoplasm who are not suitable for surgery due to their clinical conditions...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932154/malpositioned-canine-treatment-with-autotransplantation-and-laser
#12
Serap Keskin Tunc, Mehmet Savas Kayasan, Esma Ozeroglu, Cennet Neslihan Eroglu
Children and young adults often have tooth loss due to congenital tooth deficiency, trauma, or caries. Autotransplantation has many benefits. The transplanted tooth can be moved orthodontically, maintains alveolar bone growth potential during eruption, and functional periodontal ligament function also permits tooth eruption, allows the defected areas to be filled with the bones; gingival contour is much more successful than the one obtained with prosthesis. In this paper, treatment steps and follow-up results of autotransplantation case supported with biostimulation are mentioned...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28932011/efficacy-of-high-intensity-laser-therapy-in-the-treatment-of-male-with-osteopenia-or-osteoporosis-a-randomized-placebo-controlled-trial
#13
Mohamed Salaheldien Mohamed Alayat, Ehab Mohamed Abdel-Kafy, Ahmed Mohamed Elsoudany, Omar Farouk Helal, Mansour Abdullah Alshehri
[Purpose] To investigate the effect of high intensity laser therapy, alone or combined with exercise on pain, health related quality of life and fall risk in male with osteopenia or osteoporosis. [Subjects and Methods] 100 male patients with osteopenia or osteoporosis participated in the study. They had T-scores ≤-1.5. Patients were randomly assigned into four groups and treated with laser plus exercise, placebo laser plus exercise, laser alone and placebo laser in groups I, II, III, and IV respectively. Laser was applied to the lower back and hip regions...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28931981/immunomodulatory-effects-of-two-different-physical-therapy-modalities-in-patients-with-chronic-obstructive-pulmonary-disease
#14
Sherin Hassan M Mehani
[Purpose] Counteracting the systemic cytokine release and its inflammatory effects by improving respiratory muscle strength and controlling lung inflammation may be important for improving immune system in patients with chronic obstructive pulmonary disease, So the aim of the present study was to evaluate the effect of low level laser therapy and inspiratory muscle training on interleukin-6 (IL-6) as a marker of inflammation and CD4+/CD8+ ratio as a marker for T Lymphocytes in these patients. [Subjects and Methods] Forty male patients with stable COPD participated in the study, their ages ranged between 55-65 years...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28929304/embryonic-body-culturing-in-an-all-glass-microfluidic-device-with-laser-processed-4%C3%A2-%C3%AE-m-thick-ultra-thin-glass-sheet-filter
#15
Y Yalikun, N Tanaka, Y Hosokawa, T Iino, Y Tanaka
In this paper, we report the development and demonstration of a method to fabricate an all-glass microfluidic cell culturing device without circulation flow. On-chip microfluidic cell culturing is an indispensable technique for cellular replacement therapies and experimental cell biology. Polydimethylsiloxane (PDMS) have become a popular material for fabricating microfluidic cell culture devices because it is a transparent, biocompatible, deformable, easy-to-mold, and gas-permeable. However, PDMS is also a chemically and physically unstable material...
September 19, 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28928892/the-targeted-antitumor-effects-of-c-pc-cmc-cd59sp-nanoparticles-on-hela-cells-in-vitro-and-in-vivo
#16
Yujuan Wang, Liangqian Jiang, Qifeng Yin, Huihui Liu, Guoxiang Liu, Guoteng Zhu, Bing Li
The novel C-PC/CMC-CD59sp-NPs were made by carbocymethyl chitosan (CMC) loading C-phycocyanin (C-PC) with the lead of CD59 specific ligand peptide (CD59sp) for targeting, and the characteristics and targeted anti-tumor mechanism were explored in order to realize the targeted therapy of C-PC on the growth of HeLa cells both in vitro and vivo. The targeting nanoparticles were synthesized by ionic-gelation method, and the optimal condition was selected out by orthogonal analysis. The properties of nanoparticles were observed by laser particle analyzer and dynamic light scattering (DLS) and Fourier Transform Infrared Spectrometer (FTIR)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928631/glaucoma-biological-trabecular-and-neuroretinal-pathology-with-perspectives-of-therapy-innovation-and-preventive-diagnosis
#17
REVIEW
Raffaele Nuzzi, Federico Tridico
Glaucoma is a common degenerative disease affecting retinal ganglion cells (RGC) and optic nerve axons, with progressive and chronic course. It is one of the most important reasons of social blindness in industrialized countries. Glaucoma can lead to the development of irreversible visual field loss, if not treated. Diagnosis may be difficult due to lack of symptoms in early stages of disease. In many cases, when patients arrive at clinical evaluation, a severe neuronal damage may have already occurred. In recent years, newer perspective in glaucoma treatment have emerged...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28926732/multifunctional-mesoporous-zro2-encapsulated-upconversion-nanoparticles-for-mild-nir-light-activated-synergistic-cancer-therapy
#18
Lili Feng, Shili Gai, Fei He, Yunlu Dai, Chongna Zhong, Piaoping Yang, Jun Lin
Desirable nanosystem that could not only deliver drugs safely and effectively into tumor sites, but also be expected to serve as photosensitizer to realize the photodynamic therapeutic function, would be of great significance in the synergistic cancer therapy. To perform this task, a multifunctional nanosystem has been developed for markedly enhanced cancer therapeutic efficacy by loading chemotherapy agent (doxorubicin hydrochloride, DOX) and photosensitive drug chlorin e6 (Ce6) into the channels of mesoporous zirconium dioxide (ZrO2) layer which coats on Nd(3+)-doped upconversion nanoparticles (UCNPs)...
September 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28924442/laser-induced-choroidal-neovascularizations-clinical-study-of-3-cases
#19
Wipada Laovirojjanakul, Thuss Sanguansak, Yosanan Yospaiboon, Supat Sinawat, Suthasinee Sinawat
BACKGROUND: We report 3 patients with laser-induced choroidal neovascularization (CNV). METHOD: Retrospective, observational case series. Medical charts and photographs were reviewed. RESULTS: Two patients with central serous chorioretinopathy who developed iatrogenic CNV after focal laser photocoagulation were treated with intravitreal ranibizumab injections. One patient with CNV secondary to thermal laser photocoagulation for diabetic macular edema was treated with photodynamic therapy (PDT)...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28924435/aggressive-posterior-retinopathy-of-prematurity-in-a-premature-male-infant
#20
Jun Zhou, Zheng Liu, Hai-Yan Ying, Tao Liu
A premature male infant was born at 30 weeks' gestation with a birth weight of 1,700 g in a rural hospital. He was diagnosed with respiratory distress syndrome and received continuous positive airway pressure treatment for 26 days. At 26 days after birth, the patient was transferred to our hospital for further evaluation and management. A comprehensive eye examination revealed a stage 3 retinopathy of prematurity (ROP) involving zone 2 in both eyes. The patient was recommended to a provincial-level eye hospital for emergency laser therapy...
May 2017: Case Reports in Ophthalmology
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