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https://www.readbyqxmd.com/read/28703220/tumour-induced-osteomalacia
#1
REVIEW
Salvatore Minisola, Munro Peacock, Seijii Fukumoto, Cristiana Cipriani, Jessica Pepe, Sri Harsha Tella, Michael T Collins
Tumour-induced osteomalacia (TIO), also known as oncogenic osteomalacia, is a rare paraneoplastic disorder caused by tumours that secrete fibroblast growth factor 23 (FGF23). Owing to the role of FGF23 in renal phosphate handling and vitamin D synthesis, TIO is characterized by decreased renal tubular reabsorption of phosphate, by hypophosphataemia and by low levels of active vitamin D. Chronic hypophosphataemia ultimately results in osteomalacia (that is, inadequate bone mineralization). The diagnosis of TIO is usually suspected when serum phosphate levels are chronically low in the setting of bone pain, fragility fractures and muscle weakness...
July 13, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28702985/photobiomodulation-with-polarized-light-in-the-treatment-of-cutaneous-and-mucosal-ulcerative-lesions
#2
S E Aragona, F R Grassi, G Nardi, J Lotti, G Mereghetti, E Canavesi, E Equizi, A M Puccio, G Gianazza, T Lotti, I Morisi
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...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28700406/the-use-of-multistate-models-to-examine-associations-of-stress-and-adherence-with-transitions-among-hiv-care-states-observed-in-a-clinical-hiv-cohort
#3
Sandra Blitz, Tony Antoniou, Ann Burchell, Sharon Walmsley, Lucia Light, Sandra Gardner, Sean Rourke, Curtis Cooper, Claire Kendall, Mona Loutfy, Anita Rachlis, Wendy Wobeser, Anita Benoit, Janet Raboud
BACKGROUND: The "cascade of care" is a framework for quantifying the trajectory of people with HIV along the continuum of HIV care. We extended this framework to recognize that individuals may transition back and forth between states of care and to identify factors associated with movement among states of care over time, with particular focus on stress, depression and adherence. METHODS: The Ontario HIV Treatment Network Cohort Study is a multisite HIV clinical cohort...
July 3, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28690083/analgesic-effects-of-preinjection-low-level-laser-light-therapy-lllt-before-third-molar-surgery-a-double-blind-randomized-controlled-trial
#4
Jacco G C Tuk, Arjen J van Wijk, Ine C Mertens, Zühal Keleş, Jérôme A H Lindeboom, Dan M J Milstein
OBJECTIVE: The aim of this study was to evaluate the analgesic effects of low-level laser therapy (LLLT) on preinjection sites in patients scheduled for third molar removal. STUDY DESIGN: This double-blind randomized controlled trial included 163 healthy patients undergoing third molar extractions. The study participants were randomly divided into an LLLT and a placebo group. Objective and subjective data sets were obtained from physiologic feedback (heart rate and sweat response) and a questionnaire, respectively...
May 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28689965/ph-and-nir-light-responsive-magnetic-iron-oxide-nanoparticles-for-mitochondria-mediated-apoptotic-cell-death-induced-by-chemo-photothermal-therapy
#5
Yunok Oh, Jae-Young Je, Madhappan Santha Moorthy, Hansoo Seo, Won Ho Cho
Recently, various therapeutic strategies in anticancer drug development are focused to reduce adverse side effects and to enhance the therapeutic efficacy. Mostly, the iron oxide (Fe3O4) nanoparticles have widely been utilized as an efficient drug delivery system towing to their unique properties such as excellent magnetic behavior, considerably low toxicity, easy surface modification and high drug-loading efficacy. In the present study, we synthesized a multifunctional, DMSA coated, water soluble Fe3O4 nanoparticles (Fe3O4@DMSA/DOX) for an effective pH and NIR-light triggered delivery of anticancer drug (DOX) in cancer therapy...
July 6, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28680642/long-lasting-response-to-oral-therapy-in-a-young-male-with-monogenic-diabetes-as-part-of-hnf1b-related-disease
#6
Elena Carrillo, Amparo Lomas, Pedro J Pinés, Cristina Lamas
Mutations in hepatocyte nuclear factor 1β gene (HNF1B) are responsible for a multisystemic syndrome where monogenic diabetes (classically known as MODY 5) and renal anomalies, mostly cysts, are the most characteristic findings. Urogenital malformations, altered liver function tests, hypomagnesemia or hyperuricemia and gout are also part of the syndrome. Diabetes in these patients usually requires early insulinization. We present the case of a young non-obese male patient with a personal history of renal multicystic dysplasia and a debut of diabetes during adolescence with simple hyperglycemia, negative pancreatic autoimmunity and detectable C-peptide levels...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28675492/development-of-patient-controlled-respiratory-gating-system-based-on-visual-guidance-for-magnetic-resonance-image-guided-radiation-therapy
#7
Jung-In Kim, Hanyoung Lee, Hong-Gyun Wu, Eui Kyu Chie, Hyun-Cheol Kang, Jong Min Park
PURPOSE: The aim of this study is to develop a visual guidance patient-controlled (VG-PC) respiratory gating system for respiratory-gated magnetic-resonance image-guided radiation therapy (MR-IGRT) and to evaluate the performance of the developed system. METHODS: The near-real-time cine planar MR image of a patient acquired during treatment was transmitted to a beam projector in the treatment room through an optical fiber cable. The beam projector projected the cine MR images inside the bore of the ViewRay system in order to be visible to a patient during treatment...
July 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28671718/antinociceptive-effects-of-low-level-laser-therapy-at-3-and-8%C3%A2-j-cm-2-in-a-rat-model-of-postoperative-pain-possible-role-of-endogenous-opioids
#8
Fabio C Pereira, Julia R Parisi, Caio B Maglioni, Gabriel B Machado, Paulino Barragán-Iglesias, Josie R T Silva, Marcelo L Silva
Low-level laser therapy (LLLT) is the direct application of light to stimulate cell responses (photobiomodulation) to promote tissue healing, reduce inflammation, and induce analgesia; the molecular basis for these effects of LLLT remains unclear. The objective of this study was to evaluate the analgesic effect of LLLT in the rat plantar incision model of postoperative pain as well as to investigate some of the possible mechanisms involved in this effect. Wistar rats were submitted to plantar incision and treated with LLLT (830 nm, continuous-mode, 30 mW/cm(2) , 1-12 J/cm(2) )...
July 3, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28668609/near-infrared-assisted-fenton-reaction-for-tumor-specific-and-mitochondrial-dna-targeted-photochemotherapy
#9
Ping Hu, Tong Wu, Wenpei Fan, Lei Chen, Yanyan Liu, Dalong Ni, Wenbo Bu, Jianlin Shi
The strong dependence on oxygen level, low ultraviolet/visible (UV/vis) light penetration depth and the extremely short lifetime of reactive oxygen species (ROS) are the major challenges of photodynamic therapy (PDT) for tumors. Fenton reaction can produce abundant ROS such as reactive hydroxyl radicals (OH) with significantly higher oxidation performance than singlet oxygen ((1)O2), which, however, has been rarely used in biomedical fields due to strict reaction conditions (favorably in pH range of 3-4, mostly under UV/vis light catalysis)...
June 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/28653884/photobiomodulation-of-breast-and-cervical-cancer-stem-cells-using-low-intensity-laser-irradiation
#10
N E Kiro, M R Hamblin, H Abrahamse
Breast and cervical cancers are dangerous threats with regard to the health of women. The two malignancies have reached the highest record in terms of cancer-related deaths among women worldwide. Despite the use of novel strategies with the aim to treat and cure advanced stages of cancer, post-therapeutic relapse believed to be caused by cancer stem cells is one of the challenges encountered during tumor therapy. Therefore, further attention should be paid to cancer stem cells when developing novel anti-tumor therapeutic approaches...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28650490/hypoxia-induced-tumor-cell-resistance-is-overcome-by-synergistic-gapdh-sirna-and-chemotherapy-co-delivered-by-long-circulating-and-cationic-interior-liposomes
#11
Jibin Guan, Jin Sun, Feilong Sun, Bo Lou, Dong Zhang, Vida Mashayekhi, Negar Sadeghi, Gert Storm, Enrico Mastrobattista, Zhonggui He
Chemotherapeutic drug resistance of tumor cells under hypoxic conditions is caused by the inhibition of apoptosis by autophagy and drug efflux via adenosine triphosphate (ATP)-dependent transporter activation, among other factors. Here, we demonstrate that disrupting glyceraldehyde-3-phosphate dehydrogenase (GAPDH) expression can reduce the autophagy and ATP levels in tumor cells. To test whether GAPDH knockdown is sufficient to overcome drug resistance, a nanocarrier (asymmetry-membrane liposome) was designed to encapsulate GAPDH-siRNA with a low dose of paclitaxel (PTX)...
July 6, 2017: Nanoscale
https://www.readbyqxmd.com/read/28621288/photodvnamic-therapy-in-endodontics
#12
Zahed Mohammadi, Hamid Jafarzadeh, Sousan Shalavi, Jun-Ichiro Kinoshita
Commonly used irrigants do not always eradicate the entire microbial flora in infected root canals. Therefore, several other strategies, such as photodynamic therapy (PDT) have been developed. Photoactivated disinfection is based on the interaction of a photosensitive antibacterial agent and a light source. It uses a nontoxic dye named photosensitizer (PS) and low-intensity visible light. In oxygen presentation, these combine to produce some cytotoxic species. The PS molecules attach to bacteria membrane. Irradiation with a specific wavelength of the light may lead to the production of singlet oxygen, resulting in rupture of the microbial cell wall...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28616040/stem-cell-transplantation-for-spinal-cord-injury-a-meta-analysis-of-treatment-effectiveness-and-safety
#13
Xiao Fan, Jin-Zhao Wang, Xiao-Min Lin, Li Zhang
OBJECTIVE: The aim of this study was to evaluate the effectiveness and safety of stem cell transplantation for spinal cord injury (SCI). DATA SOURCES: PubMed, EMBASE, Cochrane, China National Knowledge Infrastructure, China Science and Technology Journal, Wanfang, and SinoMed databases were systematically searched by computer to select clinical randomized controlled trials using stem cell transplantation to treat SCI, published between each database initiation and July 2016...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28614300/pten-counteracts-fbxl2-to-promote-ip3r3-and-ca-2-mediated-apoptosis-limiting-tumour-growth
#14
Shafi Kuchay, Carlotta Giorgi, Daniele Simoneschi, Julia Pagan, Sonia Missiroli, Anita Saraf, Laurence Florens, Michael P Washburn, Ana Collazo-Lorduy, Mireia Castillo-Martin, Carlos Cordon-Cardo, Said M Sebti, Paolo Pinton, Michele Pagano
In response to environmental cues that promote IP3 (inositol 1,4,5-trisphosphate) generation, IP3 receptors (IP3Rs) located on the endoplasmic reticulum allow the 'quasisynaptical' feeding of calcium to the mitochondria to promote oxidative phosphorylation. However, persistent Ca(2+) release results in mitochondrial Ca(2+) overload and consequent apoptosis. Among the three mammalian IP3Rs, IP3R3 appears to be the major player in Ca(2+)-dependent apoptosis. Here we show that the F-box protein FBXL2 (the receptor subunit of one of 69 human SCF (SKP1, CUL1, F-box protein) ubiquitin ligase complexes) binds IP3R3 and targets it for ubiquitin-, p97- and proteasome-mediated degradation to limit Ca(2+) influx into mitochondria...
June 22, 2017: Nature
https://www.readbyqxmd.com/read/28594467/biochemical-characterization-of-lr769-a-new-recombinant-factor-viia-bypassing-agent-produced-in-the-milk-of-transgenic-rabbits
#15
G Chevreux, N Tilly, Y Leblanc, C Ramon, V Faid, M Martin, F Dhainaut, N Bihoreau
BACKGROUND: The bypassing agent factor VII (FVIIa) is a first-line therapy for the treatment of acute bleeding episodes in patients with haemophilia and high-titre inhibitors. FVIIa is a highly post-translationally modified protein that requires eukaryotic expression systems to produce a fully active molecule. A recombinant FVIIa was produced in the milk of transgenic rabbits to increase expression and provide an efficient, safe and affordable product after purification to homogeneity (LR769)...
June 8, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28580093/photobiomodulation-and-the-brain-a-new-paradigm
#16
Madison Hennessy, Michael R Hamblin
Transcranial photobiomodulation (PBM) also known as low level laser therapy (tLLLT) relies on the use of red/NIR light to stimulate, preserve and regenerate cells and tissues. The mechanism of action involves photon absorption in the mitochondria (cytochrome c oxidase), and ion channels in cells leading to activation of signaling pathways, up-regulation of transcription factors, and increased expression of protective genes. We have studied PBM for treating traumatic brain injury (TBI) in mice using a NIR laser spot delivered to the head...
January 2017: Journal of Optics
https://www.readbyqxmd.com/read/28579190/effect-of-low-level-laser-therapy-lllt-and-light-emitting-diodes-ledt-applied-during-combined-training-on-performance-and-post-exercise-recovery-protocol-for-a-randomized-placebo-controlled-trial
#17
Aryane Flauzino Machado, Jéssica Kirsch Micheletti, Franciele Marques Vanderlei, Fabio Yuzo Nakamura, Ernesto Cesar Pinto Leal-Junior, Jayme Netto Junior, Carlos Marcelo Pastre
BACKGROUND: Previous studies have shown positive results of phototherapy for improving performance and accelerating recovery; however, the effects of phototherapy during training and after a primary adaptation remain unclear. The aim of this randomized controlled trial is to analyze the effects of phototherapy and combined training on clinical, functional, and psychological outcomes and on vascular endothelial growth factor. METHODS: This randomized placebo-controlled trial by stratified sample will involve 45 healthy male participants...
July 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28559862/family-burden-emotional-distress-and-service-satisfaction-in-first-episode-psychosis-data-from-the-get-up-trial
#18
Mirella Ruggeri, Antonio Lasalvia, Paolo Santonastaso, Francesca Pileggi, Emanuela Leuci, Maurizio Miceli, Silvio Scarone, Stefano Torresani, Sarah Tosato, Katia De Santi, Doriana Cristofalo, Carla Comacchio, Simona Tomassi, Carla Cremonese, Angelo Fioritti, Giovanni Patelli, Chiara Bonetto
Background: Literature has documented the role of family in the outcome of chronic schizophrenia. In the light of this, family interventions (FIs) are becoming an integral component of treatment for psychosis. The First Episode of Psychosis (FEP) is the period when most of the changes in family atmosphere are observed; unfortunately, few studies on the relatives are available. Objective: To explore burden of care and emotional distress at baseline and at 9-month follow-up and the levels of service satisfaction at follow-up in the two groups of relatives (experimental treatment EXP vs...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28550043/al-amyloidosis-patients-with-low-amyloidogenic-free-light-chain-levels-at-first-diagnosis-have-an-excellent-prognosis
#19
Tobias Dittrich, Tilmann Bochtler, Christoph Kimmich, Natalia Becker, Anna Jauch, Hartmut Goldschmidt, Anthony D Ho, Ute Hegenbart, Stefan O Schönland
The difference between involved minus uninvolved serum free light chains (dFLC) has been established as invaluable hematologic parameter in systemic light chain amyloidosis (AL). However, patients with initial dFLC below 50mg/L are currently deemed not evaluable for response to therapy. Therefore, we aimed to characterize this subgroup and to define novel hematologic response parameters. We retrospectively analyzed 783 AL patients newly diagnosed at our center between 2002 and 2016. Patients with dFLC<50 showed a smaller bone marrow plasmacytosis (7% vs...
May 26, 2017: Blood
https://www.readbyqxmd.com/read/28546074/outcomes-from-autologous-hematopoietic-cell-transplantation-versus-chemotherapy-alone-for-the-management-of-light-chain-amyloidosis
#20
Oluchi Oke, Tarsheen Sethi, Stacey Goodman, Sharon Phillips, Ilka Decker, Samuel Rubinstein, Beatrice Concepcion, Sarah Horst, Madan Jagasia, Adetola Kassim, Shelton L Harrell, Anthony Langone, Daniel Lenihan, Kyle T Rawling, David Slosky, Robert Frank Cornell
Light chain amyloidosis (AL) results in tissue deposition of misfolded proteins, causing organ dysfunction. In an era of modern therapies, such as bortezomib, reassessment of the benefit of autologous hematopoietic cell transplantation (AHCT) should be considered. In this study, we compared outcomes between patients with AL receiving chemotherapy alone (CT) and those undergoing AHCT. Seventy-four patients with AL were analyzed retrospectively. Two cohorts of patients were studied, those receiving CT (n = 31) and those undergoing AHCT (n = 43)...
May 22, 2017: Biology of Blood and Marrow Transplantation
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