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https://www.readbyqxmd.com/read/28531922/protective-effect-of-averrhoa-bilimbi-l-fruit-extract-on-ulcerative-colitis-in-wistar-rats-via-regulation-of-inflammatory-mediators-and-cytokines
#1
Jagadish Kumar Suluvoy, Sakthivel K M, Guruvayoorappan C, Berlin Grace V M
Ulcerative Colitis (UC) is a lingering type of Inflammatory Bowel Disease (IBD) which affects the colon mucosa. Ulcerative colitis is majorly associated with oxidative stress and inflammation in colon tissue leading to damage. Averrhoa bilimbi L. fruit is rich in antioxidant phytochemicals including Vitamin C. In the current research, we have evaluated the defence mechanism of Averrhoa bilimbi L. on Ulcerative Colitis (UC). Male wistar rats were treated with Averrhoa bilimbi L. fruit extract (50mg/kg/bwt and 100mg/kg/bwt) and a standard drug Sulfasalazine (100mg/kg/bwt) for 6 consecutive days via intra peritoneally...
May 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28513247/use-of-non-biologic-treatments-in-antihistamine-refractory-chronic-urticaria-a-review-of-published-evidence
#2
Jesper Grønlund Holm, Ilya Ivyanskiy, Simon Francis Thomsen
BACKGROUND: Knowledge of effectiveness and safety of the non-biologic, non-antihistamine treatments used for chronic urticaria is important as in some cases the principal guideline-recommended drug; omalizumab, has limited effect, side effects, or is too expensive or unavailable. Herein we systematically review the evidence for the use of the non-biologic treatments in antihistamine-refractory chronic urticaria. METHODS: We performed a systematic review of the literature using PubMed and Webofscience and identified studies that reported use of one or more of the non-biological, non-antihistamine treatment options for chronic urticaria...
May 17, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28485193/preclinical-absorption-distribution-metabolism-excretion-and-pharmacokinetics-of-a-novel-selective-inhibitor-of-breast-cancer-resistance-protein-bcrp
#3
Mingxiang Liao, Bei-Ching Chuang, Qing Zhu, Yuexian Li, Emily Guan, Shaoxia Yu, Johnny Yang, Prakash Shimoga, Cindy Q Xia
1. Breast cancer resistance protein (BCRP) plays an important role in drug absorption, distribution, and excretion. It is challenging to evaluate BCRP functions in preclinical models because commonly used BCRP inhibitors are nonspecific or unstable in animal plasma. 2. In the present work, in vitro absorption, distribution, metabolism and elimination (ADME) assays and pharmacokinetic (PK) experiments in Bcrp knockout (KO) (Abcg2-/-) and wild-type (WT) FVB mice and Wistar rats were conducted to characterize the preclinical properties of a novel selective BCRP inhibitor (ML753286, a Ko143 analog)...
May 9, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28483767/incidence-and-prevalence-of-psoriatic-arthritis-in-denmark-a-nationwide-register-linkage-study
#4
Alexander Egeberg, Lars Erik Kristensen, Jacob P Thyssen, Gunnar Hilmar Gislason, Alice B Gottlieb, Laura C Coates, Denis Jullien, Paolo Gisondi, Dafna D Gladman, Lone Skov, Lotus Mallbris
OBJECTIVES: To examine the incidence and temporal trends of psoriatic arthritis (PsA) in the general population in Denmark. METHODS: Using nationwide registry data, we estimated the number of patients with incident PsA within each 1-year period between 1997 and 2011 and calculated the rate of PsA cases within gender and age subgroups. Incidence rates were presented per 100 000 person-years. RESULTS: There was a female predominance ranging from 50...
May 8, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28473247/oxidized-5-aminosalicylic-acid-activates-nrf2-ho-1-pathway-by-covalently-binding-to-keap1-implication-in-anti-inflammatory-actions-of-5-aminosalicylic-acid
#5
Sookjin Kang, Wooseong Kim, Seongkeun Jeong, Yonghyun Lee, Joon Nam, Sunyoung Lee, Yunjin Jung
Mesalazine (5-aminosalicylic acid, 5-ASA), a currently used drug for anti-inflammatory bowel disease, is easily oxidized by HOCl, a strong oxidant generated in gut inflammation, to produce electrophilic quinones. We investigated whether this chemical feature has an implication in the anti-inflammatory pharmacology of 5-ASA. Human colon carcinoma HCT116 cells were treated with HOCl-reacted 5-ASA. Oxidized 5-ASA activated Nrf2 while 5-ASA itself was not effective. Activation of Nrf2 led to induction of hemeoxygenase (OH)-1, an anti-inflammatory enzyme...
May 1, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28470518/ferroptosis-and-cell-death-analysis-by-flow-cytometry
#6
Daishi Chen, Ilker Y Eyupoglu, Nicolai Savaskan
Cell death and its recently discovered regulated form ferroptosis are characterized by distinct morphological, electrophysiological, and pharmacological features. In particular ferroptosis can be induced by experimental compounds and clinical drugs (i.e., erastin, sulfasalazine, sorafenib, and artesunate) in various cell types and cancer cells. Pharmacologically, this cell death process can be inhibited by iron chelators and lipid peroxidation inhibitors. Relevance of this specific cell death form has been found in different pathological conditions such as cancer, neurotoxicity, neurodegeneration, and ischemia...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28466360/phase-1-study-of-sulfasalazine-and-cisplatin-for-patients-with-cd44v-positive-gastric-cancer-refractory-to-cisplatin-epoc1407
#7
Kohei Shitara, Toshihiko Doi, Osamu Nagano, Miki Fukutani, Hiromi Hasegawa, Shogo Nomura, Akihiro Sato, Takeshi Kuwata, Kai Asai, Yasuaki Einaga, Kenji Tsuchihashi, Kentaro Suina, Yusuke Maeda, Hideyuki Saya, Atsushi Ohtsu
A previous dose-escalation study of sulfasalazine (SSZ), an inhibitor of cystine-glutamate exchange transporter xc (-), in the variant form of CD44 (CD44v)-positive cancer stem cells (CSCs) suggested that administration of SSZ induces the reduction of CD44v-positive cells and intracellular reduced glutathione (GSH) levels in patients with advanced gastric cancer (AGC). Here we report a study to evaluate SSZ in combination with cisplatin in patients with CD44v-expressing AGC refractory to cisplatin. SSZ was given by oral administration four times daily with 2 weeks on and 1 week off...
May 2, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28457879/the-role-of-system-xc-in-methamphetamine-induced-dopaminergic-neurotoxicity-in-mice
#8
Duy-Khanh Dang, Eun-Joo Shin, Hai-Quyen Tran, Dae-Joong Kim, Ji Hoon Jeong, Choon-Gon Jang, Seung-Yeol Nah, Hideyo Sato, Toshitaka Nabeshima, Yukio Yoneda, Hyoung-Chun Kim
The cystine/glutamate antiporter (system Xc(-), Sxc) transports cystine into cell in exchange for glutamate. Since xCT is a specific subunit of Sxc, we employed xCT knockout mice and investigated whether this antiporter affected methamphetamine (MA)-induced dopaminergic neurotoxicity. MA treatment significantly increased striatal oxidative burdens in wild type mice. xCT inhibitor [i.e., S-4-carboxy-phenylglycine (CPG), sulfasalazine] or an xCT knockout significantly protected against these oxidative burdens...
April 27, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28456683/patchouli-alcohol-ameliorates-dextran-sodium-sulfate-induced-experimental-colitis-and-suppresses-tryptophan-catabolism
#9
Chang Qu, Zhong-Wen Yuan, Xiu-Ting Yu, Yan-Feng Huang, Guang-Hua Yang, Jian-Nan Chen, Xiao-Ping Lai, Zi-Ren Su, Hui-Fang Zeng, Ying Xie, Xiao-Jun Zhang
Despite the increased morbidity of ulcerative colitis (UC) in recent years, available treatments remain unsatisfactory. Pogostemon cablin has been widely applied to treat a variety of gastrointestinal disorders in clinic for centuries, in which patchouli alcohol (PA, C15H26O) has been identified as the major active component. This study attempted to determine the bioactivity of PA on dextran sulfate sodium (DSS)-induced mice colitis and clarify the mechanism of action. Acute colitis was induced in mice by 3% DSS for 7 days...
April 27, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28452565/administration-of-wasabia-koreana-ameliorates-irritable-bowel-syndrome-like-symptoms-in-a-zymosan-induced-mouse-model
#10
Bo-Kyung Park, Eunho Chun, Jeong June Choi, Younmin Shin, Young Tak Kho, Seung Hyun Oh, Sun Yeou Kim, Taek Hwan Lee, Tae-Wan Kim, Eunju Shin, Seon-Gil Do, Mirim Jin
Irritable bowel syndrome (IBS) is a functional gastrointestinal disease with complex pathophysiology involving the brain-gut axis. To assess the effects of Wasabia koreana (WK) on IBS, we employed a mouse model of colonic zymosan injection presenting with diarrhea-predominant IBS-like symptoms. Oral WK administration significantly diminished stool score, suppressed colon length and weight change, and minimized body weight loss without affecting food intake. In WK-treated mice, the submucosal thickening and epithelial lining of the colon were inhibited and were similar to those of naïve mice...
May 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28439227/requirement-of-nf-kappa-b-activation-in-different-mice-brain-areas-during-long-term-memory-consolidation-in-two-contextual-one-trial-tasks-with-opposing-valences
#11
Angeles Salles, Maria Del C Krawczyk, Mariano Blake, Arturo Romano, Mariano M Boccia, Ramiro Freudenthal
NF-kappa B is a transcription factor whose activation has been shown to be necessary for long-term memory consolidation in several species. NF-kappa B is activated and translocates to the nucleus of cells in a specific temporal window during consolidation. Our work focuses on a one trial learning tasks associated to the inhibitory avoidance (IA) setting. Mice were trained either receiving or not a footshock when entering a dark compartment (aversive vs. appetitive learning). Regardless of training condition (appetitive or aversive), latencies to step-through during testing were significantly different to those measured during training...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28437455/effect-of-a-probiotic-beverage-consumption-enterococcus-faecium-crl-183-and-bifidobacterium-longum-atcc-15707-in-rats-with-chemically-induced-colitis
#12
Larissa Sbaglia Celiberto, Raquel Bedani, Naiara Naiana Dejani, Alexandra Ivo de Medeiros, José Antonio Sampaio Zuanon, Luis Carlos Spolidorio, Maria Angela Tallarico Adorno, Maria Bernadete Amâncio Varesche, Fábio Carrilho Galvão, Sandro Roberto Valentini, Graciela Font de Valdez, Elizeu Antonio Rossi, Daniela Cardoso Umbelino Cavallini
BACKGROUND: Some probiotic strains have the potential to assist in relieving the symptoms of inflammatory bowel disease. The impact of daily ingestion of a soy-based product fermented by Enterococcus faecium CRL 183 and Lactobacillus helveticus 416 with the addition of Bifidobacterium longum ATCC 15707 on chemically induced colitis has been investigated thereof within a period of 30 days. METHODS: Colitis was induced by dextran sulfate sodium. The animals were randomly assigned into five groups: Group C: negative control; Group CL: positive control; Group CLF: DSS with the fermented product; Group CLP: DSS with the non-fermented product (placebo); Group CLS: DSS with sulfasalazine...
2017: PloS One
https://www.readbyqxmd.com/read/28425040/schiff-base-complexes-of-copper-and-zinc-as-potential-anti-colitic-compounds
#13
Elaine M Conner, John Reglinski, W Ewen Smith, I Jack Zeitlin
The design, synthesis and activity of polymodal compounds for the treatment of inflammatory bowel disease are reported. The compounds, being based on a metal-Schiff base motif, are designed to degrade during intestinal transit to release the bioactive components in the gut. The compounds have been developed sequential with the biomodal compounds combining copper or zinc with a salicylaldehyde adduct. These compounds were tested in a formalin induced colonic inflammation model in BK:A mice. From these studies a trimodal compound based on a zinc Schiff base analogue of sulfasalazine was designed...
June 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28421991/patterns-in-use-and-costs-of-conventional-and-biologic-disease-modifying-anti-rheumatic-drugs-in-australia
#14
Ellen Donges, Christine Staatz, Helen Benham, Paul Kubler, Samantha A Hollingworth
OBJECTIVES: The aim of this study was to characterise the use and costs of subsidising conventional disease-modifying anti-rheumatic drugs (DMARDs) and biologic DMARDs in Australia from 2004-2014 through pharmaceutical benefits schemes. METHODS: Dispensing and expenditure data on conventional and biologic DMARDs were extracted from Medicare Australia and temporal trends were analysed. Medicine use was standardised in terms of the defined daily dose (DDD) per 1,000 population per day (DDD/1,000 population/day)...
April 18, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28421826/6-gingerol-improves-testicular-function-in-mice-model-of-chronic-ulcerative-colitis
#15
E O Farombi, I A Adedara, B O Ajayi, T E Idowu, O O Eriomala, F O Akinbote
The persistent inflammation and oxidative stress at the local site in ulcerative colitis reportedly extend to the testes via systemic circulation resulting in testicular dysfunction. The influence of 6-gingerol (6G), a phenolic compound isolated from Zingiber officinale, on colitis-mediated testicular dysfunction in mice was investigated in this study. Chronic ulcerative colitis was induced in mice using 2.5% dextran sulfate sodium (DSS) in drinking water for three cycles. Each cycle consisted of 7 consecutive days of exposure to DSS-treated water followed by 14 consecutive days of normal drinking water...
January 1, 2017: Human & Experimental Toxicology
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
#16
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/28408210/the-organic-anion-transporting-peptide-2b1-is-localized-in-the-basolateral-membrane-of-the-human-jejunum-and-caco-2-monolayers
#17
Markus Keiser, Lars Kaltheuner, Charlotte Wildberg, Janett Müller, Markus Grube, Lars Ivo Partecke, Claus-Dieter Heidecke, Stefan Oswald
The organic anion-transporting polypeptide (OATP) 2B1 which is ubiquitously expressed in the human body is assumed to play an important role in the cellular uptake of many drugs. Although the expression and function of this solute carrier transporter is well characterized in the human liver and other tissues, little is known about its localization and functional relevance in the intestine. Thus, it was the aim of this study to investigate its localization and function in the human jejunum and in the frequently used intestinal Caco-2 cell line...
April 10, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28388820/rheumatoid-arthritis-treatment-after-methotrexate-triple-therapy-is-more-durable-than-etanercept
#18
Shana M Peper, Robert Lew, Ted Mikuls, Mary Brophy, Denis Rybin, Hongseng Wu, James O'Dell
OBJECTIVE: Although it is common for rheumatologists to initiate biologics after failure of methotrexate monotherapy in rheumatoid arthritis (RA), ample data supports the initial use of combinations of conventional therapies in this clinical scenario. Our study explores the durability of triple therapy (methotrexate, sulfasalazine, and hydroxychloroquine) versus methotrexate-etanercept in RA. METHODS: RA patients with suboptimal response to methotrexate (n = 353) were randomized to either triple therapy or methotrexate-etanercept therapy in a 48-week, double-blinded, non-inferiority trial...
April 7, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28382174/cysteine-transporter-slc3a1-promotes-breast-cancer-tumorigenesis
#19
Yang Jiang, Yuan Cao, Yongbin Wang, Wei Li, Xinyi Liu, Yixuan Lv, Xiaoling Li, Jun Mi
Cysteine is an essential amino acid for infants, aged people as well as patients with metabolic disorders. Although the thiol group of cysteine side chain is active in oxidative reactions, the role of cysteine in cancer remains largely unknown. Here, we report that the expression level of the solute carrier family 3, member 1 (SLC3A1), the cysteine carrier, tightly correlated with clinical stages and patients' survival. Elevated SLC3A1 expression accelerated the cysteine uptake and the accumulation of reductive glutathione (GSH), leading to reduced reactive oxygen species (ROS)...
2017: Theranostics
https://www.readbyqxmd.com/read/28378336/review-of-treatment-for-alopecia-totalis-and-alopecia-universalis
#20
REVIEW
Sama Kassira, Dorota Z Korta, Lance W Chapman, Francis Dann
Alopecia areata (AA) is an autoimmune disease directed at the hair follicle. Although usually limited to patchy hair loss over the scalp (focalis), AA can present as total loss of scalp hair (totalis; AT) or as total loss of both scalp and body hair (universalis; AU). Management of AT and AU can be challenging, and although multiple treatment modalities have been explored, no therapy is currently FDA-approved. This review focuses on the evidence for current treatment options for AT and AU. The PubMed database was searched from January 1, 2000, to September 1, 2016, for clinical trials, retrospective studies, and case reports of treatments for AT and AU...
April 5, 2017: International Journal of Dermatology
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