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https://www.readbyqxmd.com/read/29469798/complete-resolution-of-erythema-elevatum-diutinum-using-oral-sulfasalazine
#1
Michael L Chen, Agata Chlopik, Maija P Hoang, Gideon P Smith
Erythema elevatum diutinum (EED) is a rare, chronic small-vessel vasculitis that presents as firm, red, violaceous, or brown papules and nodules on the extensor surfaces of the limbs. Oral dapsone is considered first-line therapy for EED; in the current case report, a patient presenting with EED began dapsone treatment and symptoms subsided within two weeks. Seven months later, the patient became pregnant and stopped dapsone owing to her concerns with dapsone use during pregnancy, resulting in recurrence of EED symptoms...
October 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29467405/muc13-contributes-to-rewiring-of-glucose-metabolism-in-pancreatic-cancer
#2
Sonam Kumari, Sheema Khan, Subash C Gupta, Vivek K Kashyap, Murali M Yallapu, Subhash C Chauhan, Meena Jaggi
Pancreatic tumors are rewired for high-glucose metabolism and typically present with exceptionally poor prognosis. Recently, we have shown that MUC13, which is highly expressed in pancreatic tumors, promotes tumor progression via modulation of HER2 receptor tyrosine kinase activity. Herein, we investigate a novel, MUC13-mediated molecular mechanism responsible for higher glucose metabolism in pancreatic tumors. Our results demonstrate that MUC13 expression leads to the activation/nuclear translocation of NF-κB p65 and phosphorylation of IκB, which in turn upregulates the expression of important proteins (Glut-1, c-Myc, and Bcl-2) that are involved in glucose metabolism...
February 22, 2018: Oncogenesis
https://www.readbyqxmd.com/read/29458149/age-dependent-oxidation-of-extracellular-cysteine-cystine-redox-state-e-h-cys-cyss-in-mouse-lung-fibroblasts-is-mediated-by-a-decline-in-slc7a11-expression
#3
Yuxuan Zheng, Jeffrey D Ritzenthaler, Tom J Burke, Javier Otero, Jesse Roman, Walter H Watson
Aging is associated with progressive oxidation of the extracellular environment. The redox state of human plasma, defined by the concentrations of cysteine (Cys) and cystine (CySS), becomes more oxidized as we age. Recently, we showed that fibroblasts isolated from the lungs of young and old mice retain this differential phenotype; old cells produce and maintain a more oxidizing extracellular redox potential (Eh (Cys/CySS)) than young cells. Microarray analysis identified down-regulation of Slc7a11, the light subunit of the CySS/glutamate transporter, as a potential mediator of age-related oxidation in these cells...
February 16, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29421581/therapeutic-efficacy-of-osthole-against-dinitrobenzene-sulphonic-acid-induced-colitis-in-rats
#4
Hanan Khairy, Hanan Saleh, Abeer M Badr, Mohamed-Assem S Marie
Several mediators were associated with the pathogenesis of inflammatory bowel disease such as oxidative stress through the production of reactive oxygen metabolites, neutrophils infiltration and release of pro-inflammatory cytokines. This study was designed to investigate the therapeutic efficacy of osthole against dinitrobenzene sulfonic acid (DNBS) induced-colitis in rats through its anti-oxidant and anti-inflammatory properties. Colitis was induced in rats by single intracolonic instillation of (250 μl DNBS-25 mg/rat)...
February 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29407711/photodegradation-of-sulfasalazine-and-its-human-metabolites-in-water-by-uv-and-uv-peroxydisulfate-processes
#5
Yuefei Ji, Yan Yang, Lei Zhou, Lu Wang, Junhe Lu, Corinne Ferronato, Jean-Marc Chovelon
The widespread occurrence of pharmaceuticals and their metabolites in natural waters has raised great concerns about their potential risks on human health and ecological systems. This study systematically investigates the degradation of sulfasalazine (SSZ) and its two human metabolites, sulfapyridine (SPD) and 5-aminosalicylic acid (5-ASA), by UV and UV/peroxydisulfate (UV/PDS) processes. Experimental results show that SPD and 5-ASA were readily degraded upon UV 254 nm direct photolysis, with quantum yields measured to be (8...
January 31, 2018: Water Research
https://www.readbyqxmd.com/read/29397558/glutamate-excitotoxicity-linked-to-spermine-oxidase-overexpression
#6
Stefano Pietropaoli, Alessia Leonetti, Chiara Cervetto, Arianna Venturini, Roberta Mastrantonio, Giulia Baroli, Tiziana Persichini, Marco Colasanti, Guido Maura, Manuela Marcoli, Paolo Mariottini, Manuela Cervelli
Excitotoxic stress has been associated with several different neurological disorders, and it is one of the main causes of neuronal degeneration and death. To identify new potential proteins that could represent key factors in excitotoxic stress and to study the relationship between polyamine catabolism and excitotoxic damage, a novel transgenic mouse line overexpressing spermine oxidase enzyme in the neocortex (Dach-SMOX) has been engineered. These transgenic mice are more susceptible to excitotoxic injury and display a higher oxidative stress, highlighted by 8-Oxo-2'-deoxyguanosine increase and activation of defense mechanisms, as demonstrated by the increase of nuclear factor erythroid 2-related factor 2 (Nrf-2) in the nucleus...
February 3, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29394383/safety-of-live-vaccines-on-immunosuppressive-or-immunomodulatory-therapy-a-retrospective-study-in-three-swiss-travel-clinics
#7
Fabienne Huber, Benoît Ehrensperger, Christoph Hatz, François Chappuis, Silja Bühler, Gilles Eperon
Background: Patients increasingly benefit from immunosuppressive/immunomodulatory medications for a range of conditions allowing them a lifestyle similar to healthy individuals, including travel. However, the administration of live vaccines to immunodeficient patients bears the risk of replication of the attenuated vaccine microorganism. Therefore, live vaccines are generally contraindicated on immunosuppression. Data on live vaccinations on immunosuppressive/immunomodulatory medication are scarce...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29393418/piperlongumine-rapidly-induces-the-death-of-human-pancreatic-cancer-cells-mainly-through-the-induction-of-ferroptosis
#8
Yuki Yamaguchi, Takashi Kasukabe, Shunichi Kumakura
Pancreatic cancer is one of the most lethal types of cancer with a mortality rate of almost 95%. Treatment with current chemotherapeutic drugs has limited success due to poor responses. Therefore, the development of novel drugs or effective combination therapies is urgently required. Piperlongumine (PL) is a natural product with cytotoxic properties restricted to cancer cells by significantly increasing intracellular reactive oxygen species (ROS) levels. In the present study, we demonstrated that PL induced cancer cell death through, at least in part, the induction of ferroptosis, as the cancer cell-killing activity was inhibited by the antioxidant, N‑acetylcysteine, ferroptosis inhibitors (ferrostatin‑1 and liproxstatin‑1) and the iron chelator, deferoxamine (DFO), but not by the apoptosis inhibitor, Z-VAD-FMK, or the necrosis inhibitor, necrostatin‑1...
January 31, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29390381/mesalazine-as-a-cause-of-fetal-anemia-and-hydrops-fetalis-a-case-report
#9
Sverker Ek, Staffan Rosenborg
RATIONALE: Mesalazine and its prodrug sulfasalazine are both used for inflammatory bowel disease. Sulfasalazine has been associated with hematological side-effects such as aplastic and hemolytic anemia in patients, but also in fetuses after intrauterine exposure. To our knowledge, we describe the first case of a fetus with severe anemia, and subsequent hydrops, where this drug was found at concentrations in the fetus corresponding to those in the mother and most likely responsible for the fetal condition...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29387828/effects-of-administration-of-co-trimoxazole-and-folic-acid-on-sperm-quality-and-histological-changes-of-testes-in-male-rats
#10
Ehsan Salarkia, Gholamreza Sepehri, Parvin Torabzadeh, Jalil Abshenas, Arezoo Saberi
Background: Male infertility has been reported following long-term sulfasalazine, however, the precise effects of co-trimoxazole on sperm quality is controversial. Objective: In this study, we evaluated the effects of co-trimoxazole and its co-administration with folic acid on sperm quality and histological changes of testes in male rats. Materials and Methods: In this experimental study, 136 male Wistar rats were divided into 9 groups: I (control), II (vehicle) received saline, III: received folic acid (1 mg/kg /daily i...
October 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29372595/methotrexate-might-reduce-ischemic-stroke-in-patients-with-rheumatoid-arthritis-a-population-based-retrospective-cohort-study
#11
Hong-Wei Tam, Chyong-Mei Chen, Pui-Ying Leong, Chao-Hsi Chen, Yuan-Chao Li, Yu-Hsun Wang, Li-Chi Lin, Jeng-Yuan Chiou, James Cheng-Chung Wei
AIM: To investigate the effects of hydroxychloroquine, sulfasalazine and methotrexate on ischemic stroke in patients with rheumatoid arthritis (RA). METHODS: This population-based retrospective cohort study included 7904 RA patients and 15 808 non-RA patients between 2000 and 2010. All of the participants were sampled from the National Health Insurance Research Database (NHIRD) of Taiwan. Using univariate analyses, these two groups of patients were compared to evaluate the differences in disease-modifying anti-rheumatic drugs usage and demographic variables...
January 25, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29361202/treatment-of-chronic-chikungunya-arthritis-with-methotrexate-a-systematic-review
#12
J Kennedy Amaral, Ravi Sutaria, Robert T Schoen
OBJECTIVES: Chikungunya is a rapidly emerging, global viral infection that can cause chronic, debilitating arthritis that in some ways mimics rheumatoid arthritis. This study evaluated the available evidence of the efficacy and safety of methotrexate (MTX), a therapy widely used in rheumatoid arthritis, in the treatment of chronic chikungunya arthritis. METHODS: A systematic literature search was performed to identify all published trials that evaluated MTX as monotherapy or combination therapy in chronic chikungunya arthritis...
January 23, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29358184/curcumin-as-an-in-vivo-selective-intestinal-breast-cancer-resistance-protein-inhibitor-in-cynomolgus-monkeys
#13
Tsuyoshi Karibe, Tomoki Imaoka, Koji Abe, Osamu Ando
To estimate the clinical impact of pharmacokinetic modulation via breast cancer resistance protein (BCRP), in vivo approaches in nonclinical settings are desired in drug development. Clinical observation has identified curcumin as a promising candidate for in vivo selectiveBCRP inhibition, in addition to several well-known inhibitors, such as lapatinib and pantoprazole. This study aimed to confirm the inhibitory efficacy of curcumin on gastrointestinal BCRP function in cynomolgus monkeys and to perform comparisons with lapatinib and pantoprazole...
January 22, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29354971/-flipping-moxibustion-of-hui-medicine-combined-with-western-medication-for-rheumatoid-arthritis-with-cold-dampness-bi-syndrome
#14
Shunji Wang, Gaxi Ye, Yu Zhang, Shuting Guan, Xiufen Liu, Wenjing Ren
OBJECTIVE: To compare the effects of flipping moxibustion of Hui medicine combined with western medication and simple western medication for rheumatoid arthritis with cold dampness bi syndrome. METHODS: Eighty patients were randomly assigned into an observation group and a control group, 40 cases in each group. Oral methotrexate (1 time a week) and sulfasalazine (twice a day except the day for methotrexate) were used in the two groups. Patients in the observation group were treated with flipping moxibustion of Hui medicine, twice a week...
October 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29351114/sexual-and-reproductive-issues-and-inflammatory-bowel-disease-a-neglected-topic-in-men
#15
Mariangela Allocca, Daniela Gilardi, Gionata Fiorino, Federica Furfaro, Laurent Peyrin-Biroulet, Silvio Danese
There has been considerable literature on sexual issues in women with inflammatory bowel disease (IBD), but relatively little attention has been paid to these aspects in men. To review the available literature and to provide the best management of sexual and reproductive issues in male patients with IBD. The scientific literature on sexual and reproductive issues in men with IBD was reviewed. Several factors, including surgical and medication treatments, disease activity, lifestyle, and psychological factors, may play a role in the development of infertility and sexual dysfunction and may negatively impact pregnancy outcomes...
January 18, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29350052/protective-mechanisms-of-6-gingerol-in-dextran-sulfate-sodium-induced-chronic-ulcerative-colitis-in-mice
#16
B O Ajayi, I A Adedara, E O Farombi
Ulcerative colitis (UC) is a relapsing and remitting inflammatory disease of the colon, with an increasing incidence worldwide. 6-Gingerol (6G) is a bioactive constituent of Zingiber officinale, which has been reported to possess various biological activities. This study was designed to evaluate the role of 6G in chronic UC. Chronic UC was induced in mice by three cycles of 2.5% dextran sulfate sodium (DSS) in drinking water. Each cycle consisted of 7 days of 2.5% DSS followed by 14 days of normal drinking water...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29349577/combination-therapy-with-sulfasalazine-and-valproic-acid-promotes-human-glioblastoma-cell-death-through-imbalance-of-the-intracellular-oxidative-response
#17
Carlos Gustavo Garcia, Suzana Assad Kahn, Luiz Henrique Medeiros Geraldo, Igor Romano, Ivan Domith, Deborah Christinne Lima E Silva, Fernando Dos Santos Assunção, Marcos José Ferreira, Camila Cabral Portugal, Jorge Marcondes de Souza, Luciana Ferreira Romão, Annibal Duarte Pereira Netto, Flávia Regina Souza Lima, Marcelo Cossenza
Glioblastoma (GBM) is the most common and aggressive malignant primary brain tumor and still lacks effective therapeutic strategies. It has already been shown that old drugs like sulfasalazine (SAS) and valproic acid (VPA) present antitumoral activities in glioma cell lines. SAS has also been associated with a decrease of intracellular glutathione (GSH) levels through a potent inhibition of xc- glutamate/cystine exchanger leading to an antioxidant deprotection. In the same way, VPA was recently identified as a histone deacetylase (HDAT) inhibitor capable of activating tumor suppression genes...
January 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29341189/is-p-phenylenediamine-a-marker-of-sulfasalazine-allergy
#18
Zied Kenani, Ines Lahouel, Hichem Belhadjali, Yosra Soua, Karim Aouam, Monia Youssef, Jameleddine Zili
No abstract text is available yet for this article.
February 2018: Contact Dermatitis
https://www.readbyqxmd.com/read/29332199/analysis-of-the-data-on-pregnancy-and-lactation-provided-by-patient-information-leaflets-of-anti-rheumatic-drugs-in-argentina
#19
Miguel Ormaza Sabando, Maira Arias Saavedra, Gabriel Sequeira, Eduardo Kerzberg
To analyse the level of consistency and updating of the information on pregnancy and lactation provided by patient information leaflets (PILs) of the antirheumatic drugs approved in Argentina. Inconsistencies between the 2016 EULAR Task Force recommendations on the use of anti-rheumatic drugs during pregnancy and lactation and the information provided by PILs of the same drugs approved in Argentina were analysed along with inconsistencies within the PILs of different registered trademarks of these drugs. Eighty-eight PILs of 32 drugs were analysed...
January 13, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29331766/roflumilast-type-4-phosphodiesterase-inhibitor-attenuates-inflammation-in-rats-with-ulcerative-colitis-via-down-regulation-of-inos-and-elevation-of-camp
#20
Nahla E El-Ashmawy, Naglaa F Khedr, Hoda A El-Bahrawy, Samar A El-Adawy
BACKGROUND: Roflumilast (Rof), a phosphodiesterase 4 (PDE4) inhibitor, has been shown to be an effective agent in inflammatory diseases and marketed for chronic obstructive pulmonary disease. OBJECTIVE: This study was conducted to examine the potential anti-inflammatory effects of Rof in dextran sulphate sodium (DSS)-induced ulcerative colitis (UC) in rats and to investigate the molecular mechanisms underlying these effects. METHODS: Forty male Wistar rats were divided into four groups: normal control, colitis group (rats received 5% DSS in their drinking water continuously for 7 days), Rof group, and sulfasalazine (SLZ) group...
January 10, 2018: International Immunopharmacology
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