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https://www.readbyqxmd.com/read/29231235/the-perioperative-use-of-synthetic-and-biological-disease-modifying-antirheumatic-drugs-in-patients-with-rheumatoid-arthritis
#1
Gregory Fleury, Silvano Mania, Didier Hannouche, Cem Gabay
Disease-modifying antirheumatic drugs (DMARDs) have become essential treatments in the management of patients with inflammatory rheumatic diseases. Their use has resulted in a marked improvement of disease control and a limitation of joint damage, although some patients still require subsequent corrective or joint replacement surgery. Due to their immunosuppressive effects, some DMARDs are associated with an increased risk of infection. The aim of this review is to discuss the available literature on the management of DMARDs during the perioperative period, particularly in the case of orthopaedic surgery...
December 12, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29222255/non-chemotherapy-drug-induced-neutropenia-key-points-to-manage-the-challenges
#2
REVIEW
Brian R Curtis
Non-chemotherapy idiosyncratic drug-induced neutropenia (IDIN) is a relatively rare but potentially fatal disorder that occurs in susceptible individuals, with an incidence of 2.4 to 15.4 cases per million population. Affected patients typically experience severe neutropenia within several weeks to several months after first exposure to a drug, and mortality is ∼5%. The drugs most frequently associated with IDIN include metamizole, clozapine, sulfasalazine, thiamazole, carbimazole, amoxicillin, cotrimoxazole, ticlopidine, and valganciclovir...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29219056/in-vitro-and-in-vivo-pharmacokinetic-evaluation-of-guar-gum-eudragit%C3%A2-s100-based-colon-targeted-spheroids-of-sulfasalazine-co-administered-with-probiotics
#3
Abhinav Sharma, Bimlesh Kumar, Sachin Kumar Singh, Monica Gulati, Yogyata Vaidya, Manik Sadotra, Harish Rathee, Deepak Ghai, Adil Hussain Malik, Ankit Kumar Yadav, Peddi Maharshi, Palak Bawa, Sarvi Yadav Rajesh, Parth Sharma, Narendra Kumar Pandey, Souvik Mohant
Polysaccharide based delivery systems have been successfully used to target drugs to colon. In some recent reports, the superiority of concomitant administration of probiotics with such systems has been established. However, the pharmacokinetics of such symbiotic therapy remain unexplored hitherto. This study deciphers the pharmacokinetic parameters of guar gum based colon targeted spheroids of sulfasalazine with co-administration of probiotics in experimental rats. Thirty rats were divided into five groups using Latin square design...
December 7, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/29214868/sulfasalazine-induces-mitochondrial-dysfunction-and-renal-injury
#4
Hossein Niknahad, Reza Heidari, Roya Mohammadzadeh, Mohammad Mehdi Ommati, Forouzan Khodaei, Negar Azarpira, Narges Abdoli, Mahdi Zarei, Behnam Asadi, Maryam Rasti, Babak Shirazi Yeganeh, Vahid Taheri, Arastoo Saeedi, Asma Najibi
Sulfasalazine is a commonly used drug for the treatment of rheumatoid arthritis and inflammatory bowel disease. There are several cases of renal injury encompass sulfasalazine administration in humans. The mechanism of sulfasalazine adverse effects toward kidneys is obscure. Oxidative stress and its consequences seem to play a role in the sulfasalazine-induced renal injury. The current investigation was designed to investigate the effect of sulfasalazine on kidney mitochondria. Rats received sulfasalazine (400 and 600 mg/kg/day, oral) for 14 consecutive days...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/29197623/dual-effects-of-sulfasalazine-on-rat-sperm-characteristics-spermatogenesis-and-steroidogenesis-in-two-experimental-models
#5
Mohammad Mehdi Ommati, Reza Heidari, Akram Jamshidzadeh, Mohammad Javad Zamiri, Zilong Sun, Samira Sabouri, Jundong Wang, Fatemeh Ahmadi, Nafiseh Javanmard, Kazem Seifi, Saeed Mousapour, Babak Shirazi Yeganeh
There are reports of sulfasalazine (Salazosulfapyridine; SASP)-induced reproductive toxicity, but there it is not known whether the SASP molecule or its intestinal metabolites are responsible for this effect. Rats received SASP (150, 300, and 600mg/kg) for 60 consecutive days (in vivo). Additionally, epididymal sperm was isolated and incubated with SASP (10μM-1600μM) (in vitro). Markers of oxidative stress, mitochondrial function, and sperm functionality, along with testis histopathology as well as several steroidogenic genes and proteins, including steroidogenic acute regulatory (StAR) protein, cytochrome P450 side chain cleavage enzyme (P450scc; Cyp11a), 3β-hydroxysteroid dehydrogenase (3β-HSD), 17β-hydroxysteroid dehydrogenase (17β-HSD) were measured...
November 29, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29177374/-effects-in-rats-of-bee-wax-alcohols-d-002-on-ulcerative-colitis-induced-by-dextran-sulfate-and-ethanol
#6
Vivian Molina-Cuevas, Yazmin Ravelo-Calzado, Zullyt Zamora-Rodríguez, Miriam Noa-Puig, Maikel Valle-Clara, Yohani Pérez-Guerra, Ámbar Oyarzabal-Yera, Sonia Jiménez-Despaigne, Rosa Mas-Ferreiro
OBJECTIVES.: To investigate the effects of D-002, a mixture of 6 high molecular weight primary aliphatic alcohols, obtained from beeswax (Apis mellifera), on severe inflammatory ulcerative colitis (UC) induced by Dextran sulfate (DSS) and ethanol in rats (Ratus ratus). MATERIALS AND METHODS.: Rats were randomly distributed in six groups: a zero control to which no damage was caused, and five to which the UC was induced: a negative control (vehicle), three treated with D-002 (25, 100 and 400 mg/kg) and a positive control with sulfasalazine (200 mg/kg) (reference substance)...
April 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/29167641/%C3%AE-7-nicotinic-agonist-ar-r17779-protects-mice-against-2-4-6-trinitrobenzene-sulfonic-acid-induced-colitis-in-a-spleen-dependent-way
#7
Andrea Grandi, Irene Zini, Lisa Flammini, Anna M Cantoni, Valentina Vivo, Vigilio Ballabeni, Elisabetta Barocelli, Simona Bertoni
The existence of a cholinergic anti-inflammatory pathway negatively modulating the inflammatory and immune responses in various clinical conditions and experimental models has long been postulated. In particular, the protective involvement of the vagus nerve and of nicotinic Ach receptors (nAChRs) has been proposed in intestinal inflammation and repeatedly investigated in DSS- and TNBS-induced colitis. However, the role of α7 nAChRs stimulation is still controversial and the potential contribution of α4β2 nAChRs has never been explored in this experimental condition...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29167447/hyperoxidation-of-ether-linked-phospholipids-accelerates-neutrophil-extracellular-trap-formation
#8
Satoshi Yotsumoto, Yuito Muroi, Tatsuya Chiba, Rio Ohmura, Maki Yoneyama, Megumi Magarisawa, Kosuke Dodo, Naoki Terayama, Mikiko Sodeoka, Ryohei Aoyagi, Makoto Arita, Satoko Arakawa, Shigeomi Shimizu, Masato Tanaka
Because neutrophil extracellular trap (NET) formation is involved in the pathology of a wide variety of diseases, NET-regulating compounds are expected to be useful for the therapies of these diseases. In this study, we identified sulfasalazine (SSZ) as a potent enhancer of NET formation both in vitro and in vivo. Although SSZ did not increase the amount of ROS generated, it accelerated the generation of ether-linked oxidized phospholipids, such as PE (18;1e/15-HETE) and PC (16;0e/13-HODE). Trolox, but not 2-ME, effectively suppressed lipid oxidation and NET formation that were induced by SSZ...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29164668/ameliorative-effects-of-riboflavin-on-acetic-acid-induced-colonic-injury-in-rats
#9
Berna Karakoyun, Büşra Ertaş, Meral Yüksel, Dilek Akakın, Özge Çevik, Göksel Şener
Riboflavin (RF) has been found to be a promising antioxidant and/or anti-inflammatory agent in several studies. However, the effect of RF against acetic acid (AA)-induced colonic injury is currently unknown. This study aimed to investigate the potential antioxidant and protective effects of RF in a rat model of ulcerative colitis. Starting immediately after the colitis induction (AA+RF group) or 1 week before the colitis induction (RF+AA+RF group), the rats were treated with RF (25 mg/kg/d;p.o.) for 3 days...
November 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29142522/drug-induced-eosinophilic-pneumonia-in-a-patient-with-crohn-s-disease-diagnosis-and-treatment-using-fraction-of-exhaled-nitric-oxide
#10
Jina Yeo, Hyun Sun Woo, Sang Min Lee, Yoon Jae Kim, Kwang An Kwon, Dong Kyun Park, Jung Ho Kim, Kyoung Oh Kim, Jun-Won Chung
Oral 5-aminosalicylic acid agents (mesalazine and sulfasalazine) and azathioprine are the mainstays of treatment for inflammatory bowel disease. Reports of pulmonary toxicity induced by oral 5-aminosalicylic acid agents or azathioprine in patients with inflammatory bowel disease are very rare; to date, only 38 cases have been reported worldwide. We, herein, report a case involving a 26-year-old man who was diagnosed with eosinophilic pneumonia after using mesalazine and azathioprine for the treatment of Crohn's disease and recovered after treatment...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29127322/reduced-hepatitis-b-and-d-viral-entry-using-clinically-applied-drugs-as-novel-inhibitors-of-the-bile-acid-transporter-ntcp
#11
Joanne M Donkers, Benno Zehnder, Gerard J P van Westen, Mark J Kwakkenbos, Adriaan P IJzerman, Ronald P J Oude Elferink, Ulrich Beuers, Stephan Urban, Stan F J van de Graaf
The sodium taurocholate co-transporting polypeptide (NTCP, SLC10A1) is the main hepatic transporter of conjugated bile acids, and the entry receptor for hepatitis B virus (HBV) and hepatitis delta virus (HDV). Myrcludex B, a synthetic peptide mimicking the NTCP-binding domain of HBV, effectively blocks HBV and HDV infection. In addition, Myrcludex B inhibits NTCP-mediated bile acid uptake, suggesting that also other NTCP inhibitors could potentially be a novel treatment of HBV/HDV infection. This study aims to identify clinically-applied compounds intervening with NTCP-mediated bile acid transport and HBV/HDV infection...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29120821/an-injectable-electrostatically-interacting-drug-depot-for-the-treatment-of-rheumatoid-arthritis
#12
Ji Hoon Park, Seung Hun Park, Hye Yun Lee, Jin Woo Lee, Bo Keun Lee, Bun Yeoul Lee, Jae Ho Kim, Moon Suk Kim
To the best of our knowledge, no studies have yet examined the electrostatic interaction of polyelectrolytes with electrolyte drugs for the treatment of rheumatoid arthritis (RA). Here, an injectable, electrostatically interacting drug depot is described. We prepared methoxy polyethylene glycol-b-poly(ε-caprolactone)-ran-poly(l-lactic acid) (MC) diblock copolymers with a carboxylic acid group (MC-C) at the pendant position. MC-C was polyelectrolytes that exhibited negative zeta potentials. Sulfasalazine [Sul(-)] and minocycline [Min(+)], electrolyte RA drugs, exhibited negative and positive zeta potentials, respectively...
November 1, 2017: Biomaterials
https://www.readbyqxmd.com/read/29116543/remission-assessment-of-rheumatoid-arthritis-in-daily-practice-in-china-a-cross-sectional-observational-study
#13
Huaqun Zhu, Ru Li, Zhanyun Da, Liqi Bi, Xiangpei Li, Yang Li, Chongyang Liu, Fengxiao Zhang, Zhijun Li, Xiangyuan Liu, Zhiyi Zhang, Lingyun Sun, Youlian Wang, Wei Zhang, Quan Jiang, Jinwei Chen, Qingping Chen, Zhenbin Li, Lijun Wu, Wencheng Qi, Jianhua Xu, Xiangjun Cui, Xiaofei Wang, Long Li, Xiaomei Leng, Guochun Wang, Dongbao Zhao, Lindi Jiang, Dongyi He, Xiaomin Liu, Ling Li, Yongfei Fang, Cibo Huang, Huaxiang Wu, Shaoxian Hu, Qin Li, Hui Song, Weiguo Xiao, Lu Gong, Liaojia Zhang, Xiaofeng Li, Zhanguo Li, Yin Su
The objective of this study is to evaluate the remission rate and describe the current use of medication in a large cohort of rheumatoid arthritis (RA) patients under routine clinical care in China. RA patients were recruited from 40 large teaching hospitals nationwide in China. Data regarding RA disease activity, medication treatment, and adverse events were recorded using a standardized clinical data questionnaire. RA remission was evaluated by the 28 Joint Disease Activity Score DAS28-ESR Clinical Disease Activity Index (CDAI), Simplified Disease Activity Index (SDAI), and American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) remission criteria...
November 7, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29114997/in-vitro-modeling-of-hiv-proviral-activity-in-microglia
#14
Lee A Campbell, Christopher T Richie, Yajun Zhang, Emily J Heathward, Lamarque M Coke, Emily Y Park, Brandon K Harvey
Microglia, the resident macrophages of the brain, play a key role in the pathogenesis of HIV-associated neurocognitive disorders (HAND) due to their productive infection by HIV. This results in the release of neurotoxic viral proteins and pro-inflammatory compounds which negatively affect the functionality of surrounding neurons. Because models of HIV infection within the brain are limited, we aimed to create a novel microglia cell line with an integrated HIV provirus capable of recreating several hallmarks of HIV infection...
November 8, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29112802/consensus-treatment-plans-for-chronic-nonbacterial-osteomyelitis-refractory-to-nonsteroidal-anti-inflammatory-drugs-and-or-with-active-spinal-lesions
#15
Yongdong Zhao, Eveline Y Wu, Melissa S Oliver, Ashley M Cooper, Matthew L Basiaga, Sheetal S Vora, Tzielan C Lee, Emily Fox, Gil Amarilyo, Sara M Stern, Jeffrey A Dvergsten, Kathleen A Haines, Kelly A Rouster-Stevens, Karen B Onel, Julie Cherian, Jonathan S Hausmann, Paivi Miettunen, Tania Cellucci, Farzana Nuruzzaman, Angela Taneja, Karyl S Barron, Matthew C Hollander, Sivia K Lapidus, Suzanne C Li, Seza Ozen, Hermann Girschick, Ronald M Laxer, Fatma Dedeoglu, Christian M Hedrich, Polly J Ferguson
OBJECTIVE: To develop standardized treatment regimens for chronic nonbacterial osteomyelitis (CNO), also known as chronic recurrent multifocal osteomyelitis (CRMO) to enable comparative effectiveness treatment studies. METHODS: Virtual and face-to-face discussions and meetings were held within the CNO subgroup of the Childhood Arthritis and Rheumatology Research Alliance (CARRA). A literature search was conducted, and CARRA membership was surveyed to evaluate available treatment data and identify current treatment practices...
November 7, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29111803/dress-syndrome-triple-whammy-sulfasalazine-amoxicillin-and-hhv-7
#16
Michelle Lang, James Fish, Claudia Covelli, Benjamin E Schreiber
No abstract text is available yet for this article.
November 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29093158/effects-of-amerindian-genetic-ancestry-on-clinical-parameters-and-therapy-in-patients-with-rheumatoid-arthritis
#17
Elena Sánchez, Ignacio García de la Torre, Mónica Sacnún, Mario Goñi, Guillermo Berbotto, Sergio Paira, Jorge Luis Musuruana, César Graf, Alejandro Alvarellos, Osvaldo D Messina, Alejandra Babini, Ingrid Strusberg, Juan Carlos Marcos, Hugo Scherbarth, Alberto Spindler, Ana Quinteros, Sergio Toloza, José Luis C Moreno, Luis J Catoggio, Guillermo Tate, Alicia Eimon, Gustavo Citera, Antonio Catalán Pellet, Gustavo Nasswetter, Mario H Cardiel, Pedro Miranda, Francisco Ballesteros, Jorge A Esquivel-Valerio, Marco A Maradiaga-Ceceña, Eduardo M Acevedo-Vásquez, Conrado García García, Teresa Tusié-Luna, Bernardo A Pons-Estel, Marta E Alarcón-Riquelme
OBJECTIVE: To define whether Amerindian genetic ancestry correlates with clinical and therapeutic variables in admixed individuals with rheumatoid arthritis (RA) from Latin America. METHODS: Patients with RA (n = 1347) and healthy controls (n = 1012) from Argentina, Mexico, Chile, and Peru were included. Samples were genotyped for the Immunochip v1 using the Illumina platform. Clinical data were obtained through interviews or the clinical history. RESULTS: Percentage of Amerindian ancestry was comparable between cases and controls...
November 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29044942/highly-luminescent-nitrogen-doped-carbon-dots-for-simultaneous-determination-of-chlortetracycline-and-sulfasalazine
#18
Zhengwei Zhang, Jianqiu Chen, Yu Duan, Weixia Liu, Dan Li, Zhengyu Yan, Ke Yang
Here, we have presented a green and facile strategy to fabricate nitrogen-doped carbon dots (N-CDs) and their applications for determination of chlortetracycline (CTC) and sulfasalazine (SSZ). The fluorescent N-CDs, prepared by one-step hydrothermal reaction of citric acid and l-arginine, manifested numerous excellent features containing strong blue fluorescence, good water-solubility, narrow size distribution, and a high fluorescence quantum yield (QY) of 38.8%. Based on the fluorescence quenching effects, the as-synthesized N-CDs as a fluorescent nanosensor exhibited superior analytical performances for quantifying CTC and SSZ...
October 18, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/29038345/administering-xct-inhibitors-based-on-circadian-clock-improves-antitumor-effects
#19
Fumiyasu Okazaki, Naoya Matsunaga, Kengo Hamamura, Kayoko Suzuki, Takaharu Nakao, Hiroyuki Okazaki, Masahiko Kutsukake, Shiro Fukumori, Yasuhiro Tsuji, Hideto To
Clock genes encoding transcription factors that regulate circadian rhythms may inform chrono-modulated chemotherapy, where time-dependent dose alterations might affect drug efficacy and reduce side effects. For example, inhibiting the essential cystine transporter xCT with sulfasalazine induces growth arrest in cancer cells. Although the anticancer effects of sulfasalazine have been studied extensively, its effects on transcriptional control of xCT expression have not been studied. Here we show that sulfasalazine administration during the period of increased xCT expression improves its anticancer effects, and that the Clock gene itself induces xCT expression and regulates its circadian rhythm...
October 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/29033678/quantitative-metabolic-volumetric-product-on-18-fluorine-2fluoro-2-deoxy-d-glucose-positron-emission-tomography-computed-tomography-in-assessing-treatment-response-to-disease-modifying-antirheumatic-drugs-in-rheumatoid-arthritis-multiparametric-analysis-integrating
#20
Nandigam Santosh Kumar, Yogesh Shejul, Ramesh Asopa, Sandip Basu
The purpose of this study was to assess the role of fluoro-2-deoxy-D-glucose-positron emission tomography/computed tomography (FDG-PET/CT) in the evaluation of treatment response evaluation to disease-modifying antirheumatic drug (DMARD) therapy in patients of rheumatoid arthritis (RA). A total of ten patients with proven diagnosis of RA as per the 2010 American College of Rheumatology/European League against Rheumatism (EULAR) criteria were prospectively evaluated. All patients underwent clinical and biochemical evaluation and a baseline FDG-PET/CT with assessment of maximum standardized uptake value and metabolic volumetric product (MVP) values...
October 2017: World Journal of Nuclear Medicine
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