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https://www.readbyqxmd.com/read/28434043/early-whole-brain-radiotherapy-in-primary-cns-lymphoma-negative-impact-on-quality-of-life-in-the-randomized-g-pcnsl-sg1-trial
#1
Ulrich Herrlinger, Niklas Schäfer, Rolf Fimmers, Frank Griesinger, Michael Rauch, Heinz Kirchen, Patrick Roth, Martin Glas, Michael Bamberg, Peter Martus, Eckhard Thiel, Agnieszka Korfel, Michael Weller
PURPOSE: In the randomized G-PCNSL-SG-1 trial, the addition of whole brain radiotherapy (45 Gy) to high-dose methotrexate (HD-MTX)-based chemotherapy (early WBRT arm) did not prolong overall survival (OS) as compared to HD-MTX-based chemotherapy alone (no early WBRT arm) in primary CNS lymphoma (PCNSL) patients. To determine whether WBRT might lead to quality of life (QoL)-relevant late neurotoxicity, this trial prospectively monitored QoL. METHODS: QoL measurements were performed using the EORTC-QLQ-C30 and BN20 questionnaires and combined with repeated Mini Mental State Examinations (MMSE)...
April 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28428089/enhanced-anti-rheumatic-activity-of-methotrexate-entrapped-ultradeformable-liposomal-gel-in-adjuvant-induced-arthritis-rat-model
#2
Alam Zeb, Omer Salman Qureshi, Chan-Hee Yu, Muhammad Akram, Hyung-Seo Kim, Myung-Sic Kim, Jong-Ho Kang, Arshad Majid, Sun-Young Chang, Ok-Nam Bae, Jin-Ki Kim
The aim of this study is to investigate in vivo anti-rheumatic activity of methotrexate-entrapped ultradeformable liposomal gel (MTX-UDLs-gel) in adjuvant-induced arthritis rat model. Methotrexate-entrapped ultradeformable liposomes (MTX-UDLs) with the optimal phosphatidylcholine to Tween 80 ratio (7:3, w/w) were incorporated into 1% Carbopol gel. MTX-UDLs-gel was characterized in terms of appearance, clarity, homogeneity, pH and drug content. The permeation of MTX-UDLs-gel across rat skin was investigated using Franz diffusion cell...
April 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28427218/methotrexate-plus-idarubicin-improves-outcome-of-patients-with-primary-central-nervous-system-lymphoma
#3
Ni Fan, Lu Zhang, Xiaoping Xu, Bobin Chen, Chen Zhu, Pei Li, Zi Chen, Tianling Ding, Yan Ma, Yan Yuan, Zhiguang Lin
Primary central nervous system lymphoma (PCNSL) is a rare form of non-Hodgkin lymphoma with poor long-term survival. This study assessed methotrexate (MTX) plus idarubicin (IDA) in treating patients of PCNSL comparing to MTX alone therapy. A total of 100 patients were retrospectively enrolled and subjected to MTX alone (n = 52) and MTX plus IDA (n = 48). The completed response (CR) rate in patients treated with MTX plus IDA was 62.50%, and overall response (OR) rate was 79.17%, which in MTX alone cohort were 42...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426924/high-dose-pulsed-corticosteroid-therapy-combined-with-methotrexate-for-severe-alopecia-areata-of-childhood
#4
J H Chong, A Taïeb, F Morice-Picard, A S Dutkiewicz, C Léauté-Labrèze, F Boralevi
Alopecia areata (AA) in childhood can run a chronic course and worsen over time(1). Spontaneous hair regrowth is rarely appreciated in chronic severe AA(2-4). Our centre described the ineffective use of high dose pulsed corticosteroid therapy (HDPCT) in the long term(1). Methotrexate (MTX) as a maintenance therapy following HDPCT showed some success in adults(5). Although the evidence for using either drug individually was weak(6), the combination of using both was not well studied. This article is protected by copyright...
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28426823/observation-of-%C3%AF-pore-currents-in-mutant-hkv1-2_v370c-potassium-channels
#5
Pavel Tyutyaev, Stephan Grissmer
Current through the σ-pore was first detected in hKv1.3_V388C channels, where the V388C mutation in hKv1.3 channels opened a new pathway (σ-pore) behind the central α-pore. Typical for this mutant channel was inward current at potentials more negative than -100 mV when the central α-pore was closed. The α-pore blockers such as TEA+ and peptide toxins (CTX, MTX) could not reduce current through the σ-pore of hKv1.3_V388C channels. This new pathway would proceed in parallel to the α-pore in the S6-S6 interface gap...
2017: PloS One
https://www.readbyqxmd.com/read/28423235/hepatic-sinusoidal-obstruction-syndrome-during-maintenance-therapy-of-childhood-acute-lymphoblastic-leukemia-is-associated-with-continuous-asparaginase-therapy-and-mercaptopurine-metabolites
#6
Linea Natalie Toksvang, Silvia De Pietri, Stine N Nielsen, Jacob Nersting, Birgitte K Albertsen, Peder S Wehner, Steen Rosthøj, Päivi M Lähteenmäki, Daniel Nilsson, Tove A Nystad, Kathrine Grell, Thomas L Frandsen, Kjeld Schmiegelow
BACKGROUND: Hepatic sinusoidal obstruction syndrome (SOS) during treatment of childhood acute lymphoblastic leukemia (ALL) has mainly been associated with 6-thioguanine. The occurrence of several SOS cases after the introduction of extended pegylated asparaginase (PEG-asparaginase) therapy in the Nordic Society of Paediatric Haematology and Oncology (NOPHO) ALL2008 protocol led us to hypothesize that PEG-asparaginase, combined with other drugs, may trigger SOS during 6-thioguanine-free maintenance therapy...
April 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28422374/significant-curative-functions-of-the-mesenchymal-stem-cells-on-methotrexate-induced-kidney-and-liver-injuries-in-rats
#7
Amany M Gad, Wedad A Hassan, Ebtehal Mohammad Fikry
Mesenchymal stem cells (MSCs) curative effects on methotrexate (MTX)-induced kidney and liver injuries remain elusive. Therefore, rats were divided into five groups, rats received MTX orally (14 mg/kg) as a single dose/week for 2 weeks, groups 3 and 4 were injected once with 2 × 10(6) cells bone marrow MSCs and adipose-derived MSCs, respectively. The last group administered dexamethasone (DEX) (0.5 mg/kg, p.o) for 7 days. MTX caused marked increase in malondialdehyde and nitrite/nitrate concentrations...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28421999/use-and-withdrawal-of-immunosuppressors-in-primary-sj%C3%A3-gren-s-syndrome
#8
Jiram Torres-Ruiz, David Faz-Muñoz, Nora Hernández-Díaz, Gabriela Hernandez-Molina
OBJECTIVES: To assess the use and causes of withdrawal of glucocorticoids and immunosuppressors among patients with primary Sjögren's syndrome (pSS) in the clinical setting. METHODS: We retrospectively reviewed the medical records of 155 pSS patients and registered demographics, glandular/extraglandular features, serological data, cumulative ESSDAI and SSDDI. A single rheumatologist attributed the indication and cause of withdrawal of glucocorticoids and immunosuppressors...
April 18, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28420295/optimization-of-methotrexate-loaded-niosomes-by-box-behnken-design-an-understanding-of-solvent-effect-and-formulation-variability
#9
Ahmed S Zidan, Mahmoud Mokhtar Ibrahim, Nagia A El Megrab
Dermal drug delivery system which localizes methotrexate (MTX) in the skin is advantageous in topical treatment of psoriasis. The aim of the current study was to understand dilution effects and formulation variability for the potential formation of niosomes from proniosome gels of MTX. Box-Behenken design was employed to prepare a series of MTX proniosome gels of Span 40, cholesterol (Chol-X1) and Tween 20 (T20-X2). Short chain alcohols (X3), namely ethanol (Et), propylene glycol (Pg) and glycerol (G) were evaluated for their dilution effects on proniosomes...
April 19, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28418635/enhancing-protein-production-yield-from-cho-cells-by-crispr-interference-crispri
#10
Chih-Che Shen, Li-Yu Sung, Shih-Yeh Lin, Mei-Wei Lin, Yu-Chen Hu
CHO cell is an important host for biopharmaceutical production. Generation of stable CHO cell typically requires co-integration of dhfr and foreign gene into chromosomes and subsequent methotrexate (MTX) selection for co-amplification of dhfr and foreign gene. CRISPR interference (CRISPRi) is an emerging system that effectively suppresses gene transcription through the coordination of dCas9 protein and guide RNA (gRNA). However, CRISPRi has yet to be exploited in CHO cells. Here we constructed vectors expressing the functional CRISPRi system and proved effective CRISPRi-mediated suppression of dhfr transcription in CHO cells...
April 18, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28418420/selective-purification-and-chemical-labeling-of-a-target-protein-on-ruthenium-photocatalyst-functionalized-affinity-beads
#11
Michihiko Tsushima, Shinichi Sato, Hiroyuki Nakamura
Selective purification and chemical labeling of a target protein in a protein mixture were simultaneously achieved on the surface of affinity beads functionalized with ligands, such as benzenesulfonamide and methotrexate (MTX), and a ruthenium complex containing 2,2'-bipyridine-4,4'-dicarboxylic acid (dcbpy). Chemical labeling of the target protein with a tyrosine radical trapper (TRT) proceeded on the surface of the beads when the target protein was in close proximity to the ruthenium photocatalyst. Both the protein purification and chemical labeling abilities of the affinity beads functionalized with ruthenium photocatalyst were not compromised after recycling several times...
April 18, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28416938/combined-systemic-and-hysteroscopic-intra-amniotic-injection-of-methotrexate-associated-with-hysteroscopic-resection-for-cervical-pregnancy-a-cutting-edge-approach-for-an-uncommon-condition
#12
Attilio Di Spiezio Sardo, Mariana da Cunha Vieira, Antonio Simone Laganà, Benito Chiofalo, Salvatore Giovanni Vitale, Mariamaddalena Scala, Marianna De Falco, Carmine Nappi, Ursula Catena, Giuseppe Bifulco
This case report of a 36-year-old woman with a diagnosis of cervical pregnancy describes a novel approach to this rare form of ectopic pregnancy, which was successfully treated with systemic and local methotrexate (MTX) therapy combined with hysteroscopic resection. After local and systemic administration of MTX, the patient underwent hysteroscopic resection of the cervical pregnancy using a 27 bipolar resectoscope with a 4-mm loop. The cervical pregnancy was completely treated, and satisfactory hemostasis was achieved with electrocoagulation...
February 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28415433/multifunctional-nanospheres-for-co-delivery-of-methotrexate-and-mild-hyperthermia-to-colon-cancer-cells
#13
Sofia A Costa Lima, André Gaspar, Salette Reis, Luísa Durães
A multifunctional nanomedicine platform was designed and evaluated for efficient colon cancer therapy by a combinatorial therapeutic approach based on a chemotherapeutic drug and mild hyperthermia. Advantage was taken from the dual role of methotrexate (MTX), as folate receptor-targeting, overexpressed in tumor cells, and as anticancer drug. Incorporation of superparamagnetic iron oxide nanoparticles (SPIONs) allows to heat cancer cells externally through an alternating magnetic field. The developed nanocarrier was based on polyethylene glycol-polylactic acid (PEG-PLA) nanospheres to improve biocompatibility, enhancing their targeting by prolonging blood circulation time...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415429/aminated-carbon-based-cargo-vehicles-for-improved-delivery-of-methotrexate-to-breast-cancer-cells
#14
Mayank Joshi, Pramod Kumar, Rajendra Kumar, Gajanand Sharma, Bhupinder Singh, Om Prakash Katare, Kaisar Raza
The purpose of study was to conjugate and evaluate methotrexate with C60-fullerenes and multi-walled carbon nanotubes (MWCNTs) for better drug delivery to cancer cells, and also to compare these two systems. C60-fullerenes and MWCNTs were functionalized by 1,3-dipolar cycloaddition using glycine and paraformaldehyde. Methotrexate (MTX) was esterified and conjugated to the functionalized carbon-based carriers. The conjugates were characterized for micromeritics and drug conjugation. The systems were evaluated for drug release in various pH, MTT cytotoxicity assay, protein binding, cellular uptake, haemolytic profile and pharmacokinetics...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414158/methotrexate-hepatotoxicity-is-associated-with-oxidative-stress-and-down-regulation-of-ppar%C3%AE-and-nrf2-protective-effect-of-18%C3%AE-glycyrrhetinic-acid
#15
Ayman M Mahmoud, Omnia E Hussein, Walaa G Hozayen, Sanaa M Abd El-Twab
18β-glycyrrhetinic acid (18β-GA) is a bioactive component of licorice with promising hepatoprotective activity. However, its protective mechanism on methotrexate (MTX) hepatotoxicity in not well defined. We investigated the hepatoprotective effect of 18β-GA, pointing to the role of peroxisome proliferator activated receptor gamma (PPARγ) and the redox-sensitive nuclear factor erythroid 2-related factor 2 (Nrf2). Wistar rats were orally administered 18β-GA (50 and 100 mg/kg) 7 days either before or after MTX injection...
April 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28412711/biologic-disease-modifying-antirheumatic-drug-bdmard-induced-neutropenia-a-registry-from-a-retrospective-cohort-of-patients-with-rheumatic-diseases-treated-with-3-classes-of-intravenous-bdmard
#16
Francisco Espinoza, Pierre Le Blay, Bernard Combe
OBJECTIVE: To examine the rate, risks factors, and consequences of neutropenia induced by intravenous (IV) biologic disease-modifying antirheumatic drugs (bDMARD). METHODS: We conducted a retrospective cohort study in 499 patients with rheumatic diseases treated by IV abatacept (ABA), infliximab (IFX), or tocilizumab (TCZ). RESULTS: Rheumatoid arthritis (RA) was the most frequent diagnosis (72%). Fifty-two patients (10.4%) experienced at least 1 episode of neutropenia...
April 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28412710/triple-oral-therapy-versus-antitumor-necrosis-factor-plus-methotrexate-mtx-in-patients-with-rheumatoid-arthritis-and-inadequate-response-to-mtx-a-systematic-literature-review
#17
Julia Mary, Michel De Bandt, Cédric Lukas, Jacques Morel, Bernard Combe
OBJECTIVE: For patients with rheumatoid arthritis (RA) who have an inadequate response to methotrexate (MTX), the relative effectiveness of the combination of conventional disease-modifying antirheumatic drugs (DMARD) compared with the combination of tumor necrosis factor (TNF) inhibitors and MTX, as second-line therapy, is uncertain. The aim of this study was to compare the efficacy and tolerance of triple oral DMARD therapy versus anti-TNF agents associated with MTX in patients with RA after MTX failure...
April 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28412701/association-between-medications-and-herpes-zoster-in-japanese-patients-with-rheumatoid-arthritis-a-5-year-prospective-cohort-study
#18
Sayoko Harada, Ryoko Sakai, Fumio Hirano, Nobuyuki Miyasaka, Masayoshi Harigai
OBJECTIVE: To investigate the association between medications and herpes zoster (HZ) in patients with rheumatoid arthritis (RA) given biological disease-modifying antirheumatic drugs (bDMARD) or conventional synthetic DMARD in the clinical setting during 5 years using the Registry of Japanese Rheumatoid Arthritis Patients on Biologics for Longterm Safety (REAL) database. METHODS: We calculated the crude incidence rate (IR) of HZ treated with systemic antiviral medications in 1987 patients from the REAL database...
April 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28412076/original-article-varicella-vaccination-elicits-a-humoral-and-cellular-response-in-children-with-rheumatic-diseases-using-immune-suppressive-treatment
#19
Noortje Groot, Gecilmara Pileggi, Cleonice B Sandoval, Ingrid Grein, Guy Berbers, Virginia Paes Leme Ferriani, Nico Wulffraat, Sytze de Roock
OBJECTIVE: To assess humoral and cellular responses to live-attenuated varicella zoster virus (VZV) vaccination of patients with juvenile idiopathic arthritis (JIA), juvenile dermatomyositis (JDM) or juvenile scleroderma (JScle) compared to those of healthy controls (HC). METHODS: Before, 4-6weeks and one year after VZV vaccination, blood samples of patients and HC were collected. VZV-specific antibody concentrations were measured by ELISA and multiplex immune-assay...
April 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28410293/long-term-efficacy-of-methotrexate-plus-vinblastine-vinorelbine-in-a-large-series-of-patients-affected-by-desmoid-type-fibromatosis
#20
Elena Palassini, Anna Maria Frezza, Luigi Mariani, Luca Lalli, Chiara Colombo, Marco Fiore, Antonella Messina, Alessandra Casale, Carlo Morosi, Paola Collini, Silvia Stacchiotti, Paolo Giovanni Casali, Alessandro Gronchi
PURPOSE: Today, surgery and radiation therapy have a limited role in desmoid-type fibromatosis. Different systemic treatments were shown to be effective. Herein, we report on our institutional experience with low-dose methotrexate (MTX) + vinca alkaloids in this disease over the last 25 years. METHODS: We retrospectively reviewed data from all adult patients with sporadic desmoid-type fibromatosis treated with MTX and vinca alkaloids at our institution between 1989 and 2014...
March 2017: Cancer Journal
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