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https://www.readbyqxmd.com/read/28536935/-rituximab-for-the-treatment-of-poly-and-dermatomyositis-results-from-the-graid-2-registry
#1
C Fiehn, L Unger, H Schulze-Koops, F Proft, J C Henes, A Jacobi, T Dörner
INTRODUCTION: In the treatment of poly- and dermatomyositis, only a limited number of treatment modalities are established. OBJECTIVE: The goal of the GRAID-2 registry was to study off-label use of biologic drugs for this indication in Germany. PATIENTS AND METHODS: Analysis of the data of the GRAID-2 registry for poly- and dermatomyositis. RESULTS: In 22 of the 23 patients in the GRAID-2 registry, rituximab (RIX) was administered, while 1 patient was given tocilizumab as off-label therapy...
May 23, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28535913/patient-doses-and-occupational-exposure-in-a-hybrid-operating-room
#2
C Andrés, H Pérez-García, M Agulla, R Torres, D Miguel, A Del Castillo, C M Flota, D Alonso, J de Frutos, C Vaquero
PURPOSE: This study aimed to characterize the radiation exposure to patients and workers in a new vascular hybrid operating room during X-ray-guided procedures. METHODS: During one year, data from 260 interventions performed in a hybrid operating room equipped with a Siemens Artis Zeego angiography system were monitored. The patient doses were analysed using the following parameters: radiation time, kerma-area product, patient entrance reference point dose and peak skin dose...
May 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28533807/malignant-soft-tissue-sarcoma-of-the-shoulder-treated-by-surface-mould-brachytherapy-boost-in-an-adjuvant-setting
#3
Ashutosh Mukherji, Mourougan Sinnatamby
PURPOSE: Soft tissue sarcomas of the extremities account for half of all soft tissue sarcomas. Radiotherapy and surgery have been the standard modalities in the treatment of this type of cancer. Brachytherapy can be used as the sole therapy, if the target volume is localized and easily accessible. This work reports three cases of shoulder soft tissue sarcomas with positive deep resected margins, treated with a combination of external beam radiotherapy and surface mould brachytherapy boost technique...
April 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28524059/differential-effect-of-extracellular-matrix-derived-from-papillary-and-reticular-fibroblasts-on-epidermal-development-in-vitro
#4
David Janson, Marion Rietveld, Christian Mahé, Gaëlle Saintigny, Abdoelwaheb El Ghalbzouri
Papillary and reticular fibroblasts have different effects on keratinocyte proliferation and differentiation. The aim of this study was to investigate whether these effects are caused by differential secretion of soluble factors or by differential generation of extracellular matrix from papillary and reticular fibroblasts. MATERIALS AND METHODS: To study the effect of soluble factors, keratinocyte monolayer cultures were grown in papillary or reticular fibroblast-conditioned medium. To study the effect of extracellular matrix, keratinocytes were grown on papillary or reticular-derived matrix...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28523509/the-future-in-disease-models-for-mass-spectrometry-imaging-ethical-issues-and-the-way-forward
#5
Rebecca E Day, Ieva Palubeckaite
Mass Spectrometry Imaging (MSI) has evolved into a valuable tool for research into and the diagnosis of disease pathology. The ability to perform multiplex analysis of a wide range of molecules (e.g., proteins, lipids, and metabolites) simultaneously per tissue section while retaining the histological structure of the sample allows molecular information and tissue morphology to be correlated, thus increasing our understanding of a particular disease. Further development of MSI is required to improve suitability to the alternative models available, so that the combined approach can successfully provide the information required in disease characterization and prevention...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28512869/patterns-of-head-and-neck-sarcoma-in-australia
#6
Roger H Woods, J Alexa Potter, Jessica L Reid, Jennie Louise, Taryn Bessen, Gelareh Farshid, Susan J Neuhaus
BACKGROUND: Sarcomas affecting the head and neck often require complex management due to the combination of anatomic, aesthetic and oncological considerations. The incidence and patterns of presentation are poorly understood and have not been reviewed in the Australian population. METHOD: This study sourced incidence and demographic data from the National Cancer Registry at the Australian Institute of Health and Welfare for the years 1982-2009 (corresponding to 97...
May 16, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28506683/the-caspase-1-inhibitor-card18-is-specifically-expressed-during-late-differentiation-of-keratinocytes-and-its-expression-is-lost-in-lichen-planus
#7
Haihong Qin, Jiang Jin, Heinz Fischer, Michael Mildner, Maria Gschwandtner, Veronika Mlitz, Leopold Eckhart, Erwin Tschachler
BACKGROUND: CARD18 contains a caspase recruitment domain (CARD) via which it binds to caspase-1 and thereby inhibits caspase-1-mediated activation of the pro-inflammatory cytokine interleukin (IL)-1β. OBJECTIVES: To determine the expression profile and the role of CARD18 during differentiation of keratinocytes and to compare the expression of CARD18 in normal skin and in inflammatory skin diseases. METHODS: Human keratinocytes were induced to differentiate in monolayer and in 3D skin equivalent cultures...
May 1, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28495029/the-pharmacokinetics-of-the-cyp3a-substrate-midazolam-after-steady-state-dosing-of-delafloxacin
#8
Susan K Paulson, Rebecca N Wood-Horrall, Randall Hoover, Megan Quintas, Laura E Lawrence, Sue K Cammarata
PURPOSE: Delafloxacin is a novel anionic fluoroquinolone in Phase III development for the treatment of serious skin infections. The objective of this study was to evaluate the effects of delafloxacin on the pharmacokinetics of midazolam, a cytochrome P450 (CYP) 3A substrate. METHODS: CYP3A activity using midazolam as a probe was assessed before and after multiple doses of delafloxacin to reach steady state. In this nonrandomized, open-label, single-sequence, Phase I study, 22 healthy male and female subjects were administered a single 5-mg oral dose of midazolam on days 1 and 8, with oral delafloxacin 450 mg every 12 hours administered from days 3 to 8...
May 8, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28494454/acceleration-of-apoptosis-by-extracellular-basic-ph-in-a-3d-human-skin-equivalent-system
#9
Gunhyuk Park, Dal-Seok Oh, Yong-Ung Kim, Moon Ki Park
Previously, we have shown that extracellular basic pH plays a significant role in both the direct and indirect regulation of cellular processes in a wound; this in turn affects the wound-healing process. Several studies have demonstrated the importance of apoptosis modulation in the wound-healing process, especially in removing inflammatory cells and in inhibiting scar formation. However, the effects of extracellular basic pH on wound healing-related skin damage are yet to be examined. Therefore, we investigated the induction of accelerated apoptosis by extracellular basic pH in skin...
May 12, 2017: Pharmacology
https://www.readbyqxmd.com/read/28493137/effective-dose-rate-coefficients-for-exposure-to-contaminated-soil
#10
K G Veinot, K F Eckerman, M B Bellamy, M M Hiller, S A Dewji, C E Easterly, N E Hertel, R Manger
The Oak Ridge National Laboratory Center for Radiation Protection Knowledge has undertaken calculations related to various environmental exposure scenarios. A previous paper reported the results for submersion in radioactive air and immersion in water using age-specific mathematical phantoms. This paper presents age-specific effective dose rate coefficients derived using stylized mathematical phantoms for exposure to contaminated soils. Dose rate coefficients for photon, electron, and positrons of discrete energies were calculated and folded with emissions of 1252 radionuclides addressed in ICRP Publication 107 to determine equivalent and effective dose rate coefficients...
May 10, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28490902/patient-and-physician-preferences-for-anticancer-drugs-for-the-treatment-of-metastatic-colorectal-cancer-a-discrete-choice-experiment
#11
Juan Marcos González, Sarika Ogale, Robert Morlock, Joshua Posner, Brett Hauber, Nicolas Sommer, Axel Grothey
OBJECTIVE: Many publications describe preferences for colorectal cancer (CRC) screening; however, few studies elicited preferences for anticancer-drug treatment for metastatic CRC (mCRC). This study was designed to elicit preferences and risk tolerance among patients and oncologists in the USA for anticancer drugs to treat mCRC. MATERIALS AND METHODS: Patients aged 18 years or older with a self-reported diagnosis of mCRC and board-certified (or equivalent) oncologists who had treated patients with mCRC were recruited by two survey research companies from existing online patient panels in the USA...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28489194/antiproliferative-activity-in-tumor-cell-lines-antioxidant-capacity-and-total-phenolic-flavonoid-and-tannin-contents-of-myrciaria-floribunda
#12
Luis A C Tietbohl, Adriana P Oliveira, Ricardo S Esteves, Ricardo D D G Albuquerque, Diogo Folly, Francisco P Machado, Arthur L Corrêa, Marcelo G Santos, Ana L G Ruiz, Leandro Rocha
Myrciaria floribunda (H. West ex Willd.) O. Berg, Myrtaceae, is a native plant species of the Atlantic Rain Forest, from north to south of Brazil. The lyophilized ethyl acetate extract from the leaves of M. floribunda was investigated for its antiproliferative activity in tumor cell lines, antioxidant capacity and its total phenolic, flavonoid and tannin contents. Antiproliferative activity was tested in vitro against seven human cancer cells and against immortalized human skin keratinocytes line (HaCat, no cancer cell)...
May 2, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28486181/anti-tumor-efficacy-of-an-integrated-methyl-dihydrojasmonate-transdermal-microemulsion-system-targeting-breast-cancer-cells-in-vitro-and-in-vivo-studies
#13
Rania Yehia, Rania M Hathout, Dalia A Attia, Mohamed M Elmazar, Nahed D Mortada
Targeting solid tumors transdermally is an emerging approach that is currently under intense investigation. In this context, microemulsions are reported as one of the most favored carriers for successful transdermal drug delivery. Thereby, these nano-carriers were utilized in this study for the delivery of a phytochemical, namely methyl dihydrojasmonate (MDHJ), which has previously demonstrated an anticancer effect. Accordingly, pseudoternary phase diagrams were constructed using several combinations of oils, surfactants and co-surfactants and following the water titration method...
April 23, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28483812/coronary-plaque-characterization-in-psoriasis-reveals-high-risk-features-which-improve-following-treatment-in-a-prospective-observational-study
#14
Joseph B Lerman, Aditya A Joshi, Abhishek Chaturvedi, Tsion M Aberra, Amit K Dey, Justin A Rodante, Taufiq Salahuddin, Jonathan H Chung, Anshuma Rana, Heather L Teague, Jashin J Wu, Martin P Playford, Benjamin N Lockshin, Marcus Y Chen, Veit Sandfort, David A Bluemke, Nehal N Mehta
Background -Psoriasis, a chronic inflammatory disease associated with an accelerated risk of MI, provides an ideal human model to study inflammatory atherogenesis in vivo We hypothesized that the increased cardiovascular risk observed in psoriasis would be partially attributable to an elevated subclinical coronary artery disease (CAD) burden composed of non-calcified plaques with high-risk features. However, inadequate efforts have been made to directly measure CAD in this vulnerable population. As such, we sought to compare total (TB) and non-calcified (NCB) coronary plaque burden, and high-risk plaque (HRP) prevalence, between psoriasis patients (n=105), hyperlipidemic patients eligible for statin therapy under NCEP-ATP III guidelines (n=100) who were ~10 years older, and non-psoriasis healthy volunteers (HV) (n=25)...
May 8, 2017: Circulation
https://www.readbyqxmd.com/read/28479159/proteomic-analysis-of-filaggrin-deficiency-identifies-molecular-signatures-characteristic-of-atopic-eczema
#15
Martina S Elias, Heather A Long, Carla F Newman, Paul A Wilson, Andrew West, Paul J McGill, Keith C Wu, Michael J Donaldson, Nick J Reynolds
BACKGROUND: Atopic eczema (AE) is characterized by skin barrier and immune dysfunction. Null mutations in filaggrin (FLG), a key epidermal barrier protein, strongly predispose to AE; however, the precise role of FLG deficiency in AE pathogenesis remains incompletely understood. OBJECTIVES: We sought to identify global proteomic changes downstream of FLG deficiency in human epidermal living skin-equivalent (LSE) models and validate findings in skin of patients with AE...
April 28, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28475126/phenolic-compositions-and-antioxidant-properties-in-bark-flower-inner-skin-kernel-and-leaf-extracts-of-castanea-crenata-sieb-et-zucc
#16
Phung Thi Tuyen, Tran Dang Xuan, Do Tan Khang, Ateeque Ahmad, Nguyen Van Quan, Truong Thi Tu Anh, La Hoang Anh, Truong Ngoc Minh
In this study, different plant parts (barks, flowers, inner skins, kernels and leaves) of Castanea crenata (Japanese chestnut) were analyzed for total phenolic, flavonoid, and tannin contents. Antioxidant properties were evaluated by using 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS), reducing power, and β-carotene bleaching methods. The highest total phenolic and tannin contents were found in the inner skins (1034 ± 7.21 mg gallic acid equivalent/g extract and 253...
May 5, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28470559/functional-outcomes-following-laparoscopic-ileal-pouch-anal-anastomosis-in-patients-with-chronic-ulcerative-colitis-long-term-follow-up-of-a-case-matched-study
#17
Se-Jin Baek, Amy L Lightner, Sarah Y Boostrom, Kellie L Mathis, Robert R Cima, John H Pemberton, David W Larson, Eric J Dozois
BACKGROUND: Laparoscopic ileal pouch-anal anastomosis (L-IPAA) has been increasingly adopted over the last decade due to short-term patient-related benefits. Several studies have shown L-IPAA to be equivalent to open IPAA in terms of safety and short-term outcomes. However, few L-IPAA studies have examined long-term functional outcomes. We aimed to evaluate the long-term functional outcomes of L-IPAA as compared to open IPAA. METHODS: A previous case-matched cohort study at our institution compared short-term outcomes between L-IPAA and open IPAA from 1998 to 2004...
May 3, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28456646/monoolein-alginate-beads-as-a-platform-to-promote-adenosine-cutaneous-localization-and-wound-healing
#18
Wing Y Ng, Amanda Migotto, Thamyres Soares Ferreira, Luciana B Lopes
Alginate beads containing the polar lipid monoolein were developed as a strategy to manage wet wounds by providing improved uptake of excess exudate while releasing adenosine locally for promotion of healing. To obtain monoolein-containing beads, the lipid was mixed with almond oil (2:1w/w), and emulsified within the alginate aqueous dispersion, followed by ionotropic gelation in CaCl2 solution. Compared to alginate-only, monoolein-alginate systems were 1.44-fold larger, their swelling ability was 1.40-fold higher and adenosine cumulative release was approximately 1...
April 26, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28445444/pharmaceutical-equivalence-of-clarithromycin-oral-dosage-forms-marketed-in-nairobi-county-kenya
#19
Rebecca O Manani, Kennedy O Abuga, Hezekiah K Chepkwony
Clarithromycin is a broad-spectrum semi-synthetic macrolide indicated for treatment of pneumonias, Helicobacter pylori, and chlamydial and skin infections. The object of this study was to evaluate the pharmaceutical equivalence of 14 generic clarithromycin products marketed in Nairobi County, Kenya, to the innovator products, using in vitro dissolution profiles and similarity factors (f₂). Further, dissolution profiles of four innovator formulations manufactured in different sites were compared. Fourteen clarithromycin tablets/capsules and four suspensions were subjected to assay and comparative dissolution runs at pH 1...
April 26, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28438900/definition-of-the-nature-and-hapten-threshold-of-the-%C3%AE-lactam-antigen-required-for-t-cell-activation-in-vitro-and-in-patients
#20
Xiaoli Meng, Zaid Al-Attar, Fiazia S Yaseen, Rosalind Jenkins, Caroline Earnshaw, Paul Whitaker, Daniel Peckham, Neil S French, Dean J Naisbitt, B Kevin Park
Covalent modification of protein by drugs may disrupt self-tolerance, leading to lymphocyte activation. Until now, determination of the threshold required for this process has not been possible. Therefore, we performed quantitative mass spectrometric analyses to define the epitopes formed in tolerant and hypersensitive patients taking the β-lactam antibiotic piperacillin and the threshold required for T cell activation. A hydrolyzed piperacillin hapten was detected on four lysine residues of human serum albumin (HSA) isolated from tolerant patients...
June 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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