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https://www.readbyqxmd.com/read/29786746/luteolin-induces-myelodysplastic-syndrome%C3%A2-derived-cell-apoptosis-via-the-p53%C3%A2-dependent-mitochondrial-signaling-pathway-mediated-by-reactive-oxygen-species
#1
Weimin Dong, Yan Lin, Yang Cao, Yue Liu, Xiaobao Xie, Weiying Gu
Luteolin, a common dietary flavonoid, induces the apoptosis of cells in several types of cancer. However, its role in myelodysplastic syndrome (MDS) and the potential underlying mechanisms remain to be elucidated. To evaluate the potential benefit and underlying mechanisms of luteolin in MDS cells, the viability of SKM‑1 cells and primary bone marrow (PBM) mononuclear cells from patients with intermediate‑ or high‑risk MDS were assessed using a Cell Counting Kit‑8 assay. The apoptotic features of cell morphology were assessed using Wright‑Giemsa staining, DNA fragmentation was analyzed by agarose gel electrophoresis, and the extent of apoptosis was quantified by flow cytometry (FCM)...
May 18, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29778528/molecular-modeling-synthesis-antibacterial-and-cytotoxicity-evaluation-of-sulfonamide-derivatives-of-benzimidazole-indazole-benzothiazole-and-thiazole
#2
Farha Naaz, Ritika Srivastava, Anuradha Singh, Nidhi Singh, Rajesh Verma, Vishal K Singh, Ramendra K Singh
A new series of heterocyclic molecules bearing sulfonamide linkage has been synthesized and screened for antibacterial activity. During antibacterial screening using broath dilution method, molecules were found to be highly active (MIC value 50-3.1 µg/mL) against different human pathogens, namely B. cerus, S. aureus, E. coli and P. aeruginosa, and most effective against E. coli. A great synergistic effect was observed during determination of FIC where molecules were used in combination with reference drugs chloramphenicol and sulfamethoxazole...
May 11, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29777942/photomodulation-multiple-sessions-as-a-promising-preventive-therapy-for-medication-related-osteonecrosis-of-the-jaws-after-tooth-extraction-in-rats
#3
Cristian Statkievicz, Luan Felipe Toro, João Martins de Mello-Neto, Daniela Pereira de Sá, Cláudio Aparecido Casatti, João Paulo Mardegan Issa, Luciano Tavares Angelo Cintra, Juliano Milanezi de Almeida, Maria José Hitomi Nagata, Valdir Gouveia Garcia, Leticia Helena Theodoro, Edilson Ervolino
The aim of this study was to evaluate the effects of photobiomodulation (PBM) with multiple sessions of low-level laser on the alveolar repair process of rats with major risk factors for medication-related osteonecrosis of the jaws (MRONJ). Senile rats received 0.45 mL of vehicle (VEH and VEH-PBM) or 0.45 mL of 100 μg/kg zoledronate (ZOL and ZOL-PBM) administrated intraperitoneally every two days during seven weeks. After three weeks of initiation of drug treatment the first lower left molar was extracted...
May 9, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29772230/replacing-c189-in-the-bzip-domain-of-zta-with-s-t-v-or-a-changes-dna-binding-specificity-to-four-types-of-double-stranded-dna
#4
Sreejana Ray, Desiree Tillo, Nima Assad, Aniekanabasi Ufot, Christopher Deppmann, Stewart R Durell, Aleksey Porollo, Charles Vinson
Zta is a bZIP transcription factor (TF) in the Epstein-Barr virus that binds unmethylated and methylated DNA sequences. Substitution of cysteine 189 of Zta to serine (Zta(C189S)) results in a virus that is unable to execute the lytic cycle which was attributed to a change in binding to methylated DNA sequences. To learn more about the role of this position in defining sequence-specific DNA binding, we mutated cysteine 189 to four other amino acids producing Zta(C189S), Zta(C189T), Zta(C189A), and Zta(C189V) mutants...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29763876/mercury-wet-deposition-and-speciated-mercury-air-concentrations-at-rural-and-urban-sites-across-new-york-state-temporal-patterns-sources-and-scavenging-coefficients
#5
Hao Zhou, Chuanlong Zhou, Philip K Hopke, Thomas M Holsen
Measurements of ambient speciated mercury (Hg) concentrations and Hg wet deposition were made at two urban sites (Bronx, NY and Rochester, NY) and one rural site (Potsdam, NY) in New York State in 2013 and 2014 to: 1) determine the factors influencing Hg wet deposition concentrations, 2) identify the contribution of gaseous oxidized Hg (GOM) and particulate bound Hg (PBM) scavenging to Hg wet deposition concentrations, and 3) identify potential source areas associated with high concentration events. The Bronx had the highest mean gaseous elemental Hg (GEM) and GOM concentrations, Rochester had the highest mean PBM and the lowest GOM concentrations, and Potsdam had the lowest mean GEM and PBM concentrations...
May 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29756664/patient-blood-management-how-is-implementation-going-a-report-comparing-the-2015-survey-with-the-2013-survey-of-pbm-in-england
#6
L Sherliker, K Pendry, B Hockley
BACKGROUND: Patient blood management (PBM) is an evidence-based approach to optimising the care of patients who might need transfusion. In 2013, all NHS Trusts in England were surveyed about their readiness to implement PBM. National PBM recommendations were launched in 2014. AIMS: The aim of this study was to determine progress of PBM initiatives. METHODS/MATERIALS: A survey was constructed by staff in hospitals and NHS Blood and Transplant (NHSBT)...
April 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29752675/estimating-drug-costs-how-do-manufacturer-net-prices-compare-with-other-common-us-price-references
#7
T Joseph Mattingly, Joseph F Levy, Julia F Slejko, Nneka C Onwudiwe, Eleanor M Perfetto
BACKGROUND: Drug costs are frequently estimated in economic analyses using wholesale acquisition cost (WAC), but what is the best approach to develop these estimates? Pharmaceutical manufacturers recently released transparency reports disclosing net price increases after accounting for rebates and other discounts. OBJECTIVE: Our objective was to determine whether manufacturer net prices (MNPs) could approximate the discounted prices observed by the U.S. Department of Veterans Affairs (VA)...
May 12, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29749025/photobiomodulation-induces-antinociception-recovers-structural-aspects-and-regulates-mitochondrial-homeostasis-in-peripheral-nerve-of-diabetic-mice
#8
Victória Regina da Silva de Oliveira, Diego Pulzatto Cury, Laura Basílio Yamashita, Marcos Vinicius Esteca, Ii-Sei Watanabe, Yoko Fee Bergmann, Elaine Flamia Toniolo, Camila Squarzoni Dale
Diabetic Peripheral Neuropathy (DPN) is a nervous disorder caused by diabetes mellitus, affecting about 50% of patients in clinical medicine. Chronic pain is one of the major and most unpleasant symptoms developed by those patients, and conventional available treatments for the neuropathy, including the associated pain, are still unsatisfactory and benefit only a small number of patients. Photobiomodulation (PBM) has been gaining clinical acceptance once it is able to promote early nerve regeneration resulting in significant improvement peripheral nerves disabilities...
May 11, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29744752/indocyanine-green-mediated-photobiomodulation-on-human-osteoblast-cells
#9
Gamze Bölükbaşı Ateş, Ayşe Ak, Bora Garipcan, Murat Gülsoy
Photobiomodulation (PBM) and photodynamic therapy (PDT) share similar mechanisms but have opposite aims. Increased levels of reactive oxygen species (ROS) in the target tissue in response to light combined photosensitizer (PS) application may lead to cell proliferation or oxidative damage depending on the ROS amount. The purpose of the present study is to investigate the effect of indocyanine green (ICG)-mediated PBM on osteoblast cells by measuring cell viability, proliferation, alkaline phosphatase (ALP) activity, mineralization, and gene expressions of three phenotypic osteoblast markers...
May 9, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29728942/evaluation-of-bone-repair-after-application-of-a-norbixin-membrane-scaffold-with-and-without-laser-photobiomodulation-%C3%AE-780-nm
#10
Adrielle Martins Monteiro Alves, Lílian Melo de Miranda Fortaleza, Antonio Luiz Martins Maia Filho, Danniel Cabral Leão Ferreira, Charllyton Luis Sena da Costa, Vicente Galber Freitas Viana, José Zilton Lima Verde Santos, Rauirys Alencar de Oliveira, Gustavo Oliveira de Meira Gusmão, Luís Eduardo Silva Soares
Biocompatible membranes are widely used in medicine to stimulate bone repair. Several studies have demonstrated that laser photobiomodulation (PBM) also stimulates osteoblast proliferation and osteogenesis at the fracture site, leading to a greater deposition of bone mass and accelerating the process of bone consolidation. This work assessed the therapeutic effect of 780-nm laser PBM and a polystyrene membrane coated with norbixin and collagen (PSNC) on bone healing in rats with calvarial bone defect. Histological staining, Raman spectroscopy, and scanning electron microscopy (SEM) were used to evaluate the bone repair process...
May 4, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29727803/synchronous-double-primary-cancers-of-the-extrahepatic-bile-duct-a-case-report-and-literature-review
#11
Takeshi Nishi, Yoshitoshi Sato, Takuya Hanaoka, Takuya Takahashi, Hiroshi Miura, Kenji Takubo
BACKGROUND: Double cancers of the biliary tract system are rare. Most of these cancers are synchronous double cancers of the gall bladder and bile duct, associated with pancreaticobiliary maljunction (PBM). Synchronous double cancers of the extrahepatic bile duct without PBM are especially rare, and only 4 cases have been reported. CASE PRESENTATION: A 78-year-old woman was admitted to our hospital for examination of hyperbilirubinemia and liver dysfunction. Contrast-enhanced abdominal computed tomography, Magnetic resonance cholangiopancreatography and endoscopic retrograde cholangiopancreatography revealed 2 stenotic regions in the common bile duct: at its junction with the cystic duct and in the distal bile duct...
April 27, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29727048/multicenter-randomized-double-blind-controlled-trial-to-evaluate-the-efficacy-of-laser-therapy-for-the-treatment-of-severe-oral-mucositis-induced-by-chemotherapy-in-children-lampo-rct
#12
Margherita Gobbo, Federico Verzegnassi, Luca Ronfani, Davide Zanon, Fraia Melchionda, Simone Bagattoni, Alessandra Majorana, Elena Bardellini, Rosamaria Mura, Alessandra Piras, Maria Grazia Petris, Maria Livia Mariuzzi, Angelica Barone, Elisabetta Merigo, Nunzia Decembrino, Marina Consuelo Vitale, Massimo Berger, Patrizia Defabianis, Matteo Biasotto, Giulia Ottaviani, Giulio Andrea Zanazzo
OBJECTIVES: To demonstrate the efficacy of laser photobiomodulation (PBM) compared to that of placebo on severe oral mucositis (OM) in pediatric oncology patients. The primary objective was the reduction of OM grade (World Health Organization [WHO] scale) 7 days after starting PBM. Secondary objectives were reduction of pain, analgesic consumption, and incidence of side effects. METHODS: One hundred and one children with WHO grade > 2 chemotherapy-induced OM were enrolled in eight Italian hospitals...
May 4, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29688627/photobiomodulation-of-a-flowable-matrix-in-a-human-skin-ex-vivo-model-demonstrates-energy-based-enhancement-of-engraftment-integration-and-remodeling
#13
Lia Mara Grosso Neves, Nivaldo Antonio Parizotto, Marcia Regina Cominetti, Ardeshir Bayat
The use of dermal substitutes to treat skin defects such as ulcers has shown promising results, suggesting a potential role for skin substitutes for treating acute and chronic wounds. One of the main drawbacks with the use of dermal substitutes is the length of time from engraftment to graft take, plus the risk of contamination and failure due to this prolonged integration. Therefore, the use of adjuvant energy-based therapeutic modalities to augment and accelerate the rate of biointegration by dermal substitute engraftments is a desirable outcome...
April 24, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29684717/photobiomodulation-mechanisms-in-the-kinetics-of-the-wound-healing-process-in-rats
#14
A N Otterço, A L Andrade, P Brassolatti, K N Z Pinto, H S S Araújo, N A Parizotto
OBJECTIVES: The healing process of cutaneous lesions is considered a complex event divided into distinct and overlapping phases, which responds satisfactorily to photobiomodulation (PBM). PBM is indicated as a therapeutic resource capable of assisting tissue repair. The present study aimed to analyze the kinetics of cutaneous wounds healing process after application of the GaAlAs laser for treating wounds on the dorsum of rats. MATERIALS AND METHODS: This study was approved by the Animal Ethics Committee of UFSCar...
April 8, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29678549/title-reversal-of-drug-resistance-by-planetary-ball-milled-pbm-nanoparticle-loaded-with-resveratrol-and-docetaxel-in-prostate-cancer
#15
Santosh Kumar Singh, James W Lillard, Rajesh Singh
The folate receptor (FR) is a valued target that is highly expressed in various cancers, which will expedite the development of ligand-receptor binding based cancer therapeutics. In the present investigation, through tissue microarray analysis, we report higher levels of folate receptor expression in prostate cancer (PCa) tissue derived from patients, which were minimal in normal tissue. For folate-receptor based targeted therapy of PCa, we generated novel planetary ball milled (PBM) nanoparticles (NPs) encapsulated with resveratrol (RES), and in combination with docetaxel (DTX) and conjugated with folic acid (FA) on the surface...
April 17, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29667253/patient-blood-management-what-does-this-actually-mean-for-neonates-and-infants
#16
REVIEW
G L Crighton, H V New, H G Liley, S J Stanworth
Patient blood management (PBM) refers to an evidence-based package of care that aims to improve patient outcomes by optimal use of transfusion therapy, including managing anaemia, preventing blood loss and improving anaemia tolerance in surgical and other patients who may need transfusion. In adults, PBM programmes are well established, yet the definition and implementation of PBM in neonates and children lags behind. Neonates and infants are frequently transfused, yet they are often under-represented in transfusion trials...
April 17, 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29665018/differential-response-of-human-dermal-fibroblast-subpopulations-to-visible-and-near-infrared-light-potential-of-photobiomodulation-for-addressing-cutaneous-conditions
#17
Charles Mignon, Natallia E Uzunbajakava, Irene Castellano-Pellicena, Natalia V Botchkareva, Desmond J Tobin
BACKGROUND OBJECTIVES: The past decade has witnessed a rapid expansion of photobiomodulation (PBM), demonstrating encouraging results for the treatment of cutaneous disorders. Confidence in this approach, however, is impaired not only by a lack of understanding of the light-triggered molecular cascades but also by the significant inconsistency in published experimental outcomes, design of the studies and applied optical parameters. This study aimed at characterizing the response of human dermal fibroblast subpopulations to visible and near-infrared (NIR) light in an attempt to identify the optical treatment parameters with high potential to address deficits in aging skin and non-healing chronic wounds...
April 17, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29660827/patient-blood-management-and-the-importance-of-the-transfusion-practitioner-role-to-embed-this-into-practice
#18
REVIEW
L Bielby, R L Moss
Patient blood management (PBM) is a widely established international initiative, with a multidisciplinary approach to reduce transfusion. The Transfusion Practitioner (TP) role is well embedded in the United Kingdom (UK) and Australia. The value of the TP in changing both culture and practice to implement an all-inclusive PBM approach to care will be discussed. The TP role was born from both a safety and haemovigilance culture, where the greatest identified risk to the patient undergoing a transfusion was human error...
April 16, 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29659538/cell-adhesion-molecules-are-mediated-by-photobiomodulation-at-660-nm-in-diabetic-wounded-fibroblast-cells
#19
Nicolette N Houreld, Sandra M Ayuk, Heidi Abrahamse
Diabetes affects extracellular matrix (ECM) metabolism, contributing to delayed wound healing and lower limb amputation. Application of light (photobiomodulation, PBM) has been shown to improve wound healing. This study aimed to evaluate the influence of PBM on cell adhesion molecules (CAMs) in diabetic wound healing. Isolated human skin fibroblasts were grouped into a diabetic wounded model. A diode laser at 660 nm with a fluence of 5 J/cm² was used for irradiation and cells were analysed 48 h post-irradiation...
April 16, 2018: Cells
https://www.readbyqxmd.com/read/29658070/effect-of-photobiomodulation-therapy-on-postoperative-pain-after-endodontic-treatment-a-randomized-controlled-clinical-study
#20
Luana Pontes Barros Lopes, Fernando José Herkrath, Elizângela Cristina Barbosa Vianna, Erivan Clementino Gualberto Júnior, André Augusto Franco Marques, Emílio Carlos Sponchiado Júnior
OBJECTIVE: The aim of this prospective, randomized, clinical study was to assess the effect of photobiomodulation therapy (PBM) with low-level laser irradiation (LLLI) on postoperative pain after endodontic treatment. MATERIALS AND METHODS: Sixty patients, diagnosed with irreversible pulpitis in lower molar teeth, participated in the study. All treatments were performed by a single operator. Participants were randomly divided into two groups: in the experimental group (EG), endodontic treatment was performed with a reciprocating system, immediately followed by PBM with LLLI; and only endodontic treatment was performed in the control group (CG)...
April 16, 2018: Clinical Oral Investigations
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