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https://www.readbyqxmd.com/read/28092865/investigations-on-the-immunosuppressive-activity-of-derivatives-of-mycophenolic-acid-in-immature-dendritic-cells
#1
Dorota Iwaszkiewicz-Grzes, Grzegorz Cholewinski, Agata Kot-Wasik, Piotr Trzonkowski, Krystyna Dzierzbicka
The main activity of mycophenolic acid 1 (MPA) and its analogs is the inhibition of proliferation of T cells. Here, we hypothesized that MPA and its conjugates inhibits also the activity of antigen-presenting cells (APC) including dendritic cells (DCs). We tested the effect of novel amino acid derivatives of MPA and conjugates of MPA with acridines/acridones on DCs by flow cytometry, ELISA and MLR assay. Both acridines/acridone derivatives could inhibit the maturation of DC, as shown by the decreased expression of B7 family receptors...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092212/systemic-medications-used-in-treatment-of-common-dermatological-conditions-safety-profile-with-respect-to-pregnancy-breast-feeding-and-content-in-seminal-fluid
#2
S M Brown, K A Aljefri, R Waas, P J Hampton
: Prescribing for pregnant or lactating patients and male patients wishing to father children can be a difficult area for dermatologists. There is a lack of review articles of commonly used systemic medications in dermatology with respect to their effects on developing embryogenesis and their potential transfer across the placenta, in breast milk and in seminal fluid. This paper aims to provide an up to date summary of evidence to better equip dermatologists to inform patients about the effects of systemic medications commonly used in dermatology to treat conditions such as atopic dermatitis, psoriasis and acne, on current and future embryogenesis and fertility...
January 16, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28089042/molecular-screening-of-xerophilic-aspergillus-strains-producing-mycophenolic-acid
#3
Bello Mouhamadou, Lucile Sage, Sophie Périgon, Virginie Séguin, Valérie Bouchart, Patrick Legendre, Mathilde Caillat, Hayet Yamouni, David Garon
Mycophenolic acid (MPA) is the fungal secondary metabolite displaying several biological properties. Up to now, screening of fungal strains producing MPA has mainly been the result of the search of this molecule in their culture medium by chemical methods. Here we developed a molecular approach by targeting the expression level of the MpaC gene encoding the polyketide synthase, one of the key enzymes involved in the MPA synthesis. Thirty xerophilic Aspergillus strains were identified using the RNA polymerase II subunit and the β-tubulin genes...
February 2017: Fungal Biology
https://www.readbyqxmd.com/read/28080220/predictors-of-response-to-first-line-immunosuppressive-therapy-in-neuromyelitis-optica-spectrum-disorders
#4
Su-Hyun Kim, Jae-Won Hyun, AeRan Joung, Eun Young Park, Jungnam Joo, Ho Jin Kim
BACKGROUND: Azathioprine (AZA) and mycophenolate mofetil (MMF) are the most commonly used first-line therapies for patients with neuromyelitis optica spectrum disorders (NMOSD). However, some patients experience a relapse following AZA or MMF treatment. OBJECTIVES: To identify factors that predict a response to AZA or MMF in NMOSD. METHODS: We retrospectively evaluated medical records from 116 patients who were initially treated with AZA or MMF for at least 6 months...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28078065/clinical-features-of-neuromuscular-disorders-in-patients-with-n-type-voltage-gated-calcium-channel-antibodies
#5
Andreas Totzeck, Petra Mummel, Oliver Kastrup, Tim Hagenacker
Neuromuscular junction disorders affect the pre- or postsynaptic nerve to muscle transmission due to autoimmune antibodies. Members of the group like myasthenia gravis and Lambert-Eaton syndrome have pathophysiologically distinct characteristics. However, in practice, distinction may be difficult. We present a series of three patients with a myasthenic syndrome, dropped-head syndrome, bulbar and respiratory muscle weakness and positive testing for anti-N-type voltage-gated calcium channel antibodies. In two cases anti-acetylcholin receptor antibodies were elevated, anti-P/Q-type voltage-gated calcium channel antibodies were negative...
September 15, 2016: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28076831/dosing-time-dependent-oxidative-effects-of-an-immunosuppressive-drug-mycophenolate-mofetil-on-rat-kidneys
#6
Ichrak Dridi, Wafa Ben-Cherif, Hassiba Chahdoura, Zohra Haouas, Mossadok Ben-Attia, Karim Aouam, Alain Reinberg, Naceur A Boughattas
This study investigates whether the toxicity in kidneys as well as oxidative stress varied according to the dosing time of an immunosuppressive agent "mycophenolate mofetil (MMF)" in Wistar Rat. 300mg/kg of MMF was injected by intraperitonal at four different circadian stages (1, 7, 13 and 19h after light onset, HALO). Rats were sacrificed after 3days, and the kidneys were removed for determination of oxidative stress and histological analysis. Biochemical variable (creatinine, urea) was performed. Statistical analysis showed that MMF administration at 7 HALO produced a renal toxicity assessed by the significant increase in both blood creatinine and urea and antioxidant activity assessed by malondialdehyde and protein carbonyl levels indicating an induction of lipid peroxidation in oxidative damage...
January 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28076562/mycophenolate-mofetil-as-an-immunomodulator-in-refractory-noninfectious-uveitis
#7
Ever Ernesto Caso Rodriguez, Viviane Mayumi Sakata, Daniel Cesar Torres Melo Cavalcanti, Juliana Marques Zaghetto, Edilberto Olivalves, Carlos Eduardo Hirata, Joyce Hisae Yamamoto
Purpose: To evaluate the efficacy and tolerance of mycophenolate mofetil (MMF) for the treatment of noninfectious uveitis using the methods advocated by the Standardization of Uveitis Nomenclature (SUN) Working Group and to compare this with other studies of immunosuppression in ocular inflammation. Methods: Retrospective case series. Patients with noninfectious uveitis, followed at a tertiary Uveitis Service in São Paulo, Brazil, from 2007 to 2014 and receiving oral MMF for a minimum of 6 months, were retrospectively reviewed...
November 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28074661/inosine-5-monophosphate-dehydrogenase-impdh-inhibitors-a-patent-and-scientific-literature-review-2002-2016
#8
Gregory D Cuny, Chalada Suebsuwong, Soumya S Ray
Inosine-5'-monophosphate dehydrogenase (IMPDH) is an enzyme involved in the de novo biosynthesis of guanine nucleotides. To date human IMPDH inhibitors have been approved for prevention of organ transplant rejection and as anti-viral agents. More recently, the use of IMPDH inhibitors for other indications including cancer and pathogenic microorganisms has been pursued. Areas covered: IMPDH inhibitors disclosed primarily in the patent and scientific literature from 2002 to the present are discussed. Several interesting chemotypes that have not been pursued by patent protection are also highlighted...
January 11, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28074365/determination-of-cytostatic-drugs-in-bes%C3%A3-s-river-ne-spain-and-comparison-with-predicted-environmental-concentrations
#9
Helena Franquet-Griell, Deborah Cornadó, Josep Caixach, Francesc Ventura, Silvia Lacorte
The number of cytostatic drugs used in cancer treatments is wide and increases every year; therefore, tools have been developed to predict their concentration in the environment to prioritize those for monitoring studies. In the present study, the predicted environmental concentrations (PECs) were calculated according to consumption data in Catalonia (NE Spain) for 2014. According to PECs and to the most widely reported compounds, 19 cytostatics were monitored in two sampling campaigns performed along the Besòs River...
January 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28067873/cotransplantation-of-bone-marrow-derived-mesenchymal-stem-cells-in-haploidentical-hematopoietic-stem-cell-transplantation-in-patients-with-severe-aplastic-anemia-an-interim-summary-for-a-multicenter-phase-ii-trial-results
#10
Z Liu, Y Zhang, H Xiao, Z Yao, H Zhang, Q Liu, B Wu, D Nie, Y Li, Y Pang, Z Fan, L Li, Z Jiang, F Duan, H Li, P Zhang, Y Gao, L Ouyang, C Yue, M Xie, C Shi, Y Xiao, S Wang
Haploidentical hematopoietic stem cell transplantation (haplo-HSCT) for severe aplastic anemia (SAA) is mainly limited by the high incidence of graft failure and GvHD. Mesenchymal stem cells (MSCs) have been shown to support hematopoiesis in vivo and to display potent immunosuppressive effects to prevent or treat GvHD after HSCT. In a multicenter phase II trial, we developed an approach with co-transplantation of MSCs in patients undergoing haplo-HSCT. Forty-four patients with SAA were included. The conditioning regimen included busulfan, cyclophosphamide and thymoglobulin (ATG)...
January 9, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28062909/paediatric-anti-neutrophil-cytoplasmic-antibody-anca-associated-vasculitis-an-update-on-renal-management
#11
REVIEW
Lucy A Plumb, Louise Oni, Stephen D Marks, Kjell Tullus
The anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) are a group of disorders characterized by necrotizing inflammation of the small to medium vessels in association with autoantibodies against the cytoplasmic region of the neutrophil. Included in this definition are granulomatosis with polyangiitis (GPA, formerly known as Wegener's granulomatosis), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (formerly known as Churg-Strauss syndrome). AAV are chronic, often relapsing diseases that can be organ or life threatening...
January 6, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28059019/retrospective-review-of-lupus-nephritis-in-a-new-zealand-multi-ethnic-cohort
#12
E Ly, H Thein, Michael Lam Po Tang
: Increased lupus nephritis has been reported in Pacific Island and Maori populations. Previous studies suggest ethnic variation in response to immunosuppression treatment; however this has not been assessed in Pacific Island and Maori cohorts. This retrospective study reviewed class 3, 4 and 5 lupus nephritis outcomes and response to induction immunosuppression over a 10-year period in a New Zealand multi-ethnic cohort with high Pacific Island representation. This included 49 renal biopsies in 41 patients; by ethnicity Pacific Island 53...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28052467/the-combination-of-cyclosporine-and-mycophenolate-mofetil-is-less-effective-than-cyclosporine-and-methotrexate-in-the-prevention-of-acute-graft-versus-host-disease-after-stem-cell-transplantation-from-unrelated-donors
#13
Ronit Yerushalmi, Noga Shem-Tov, Ivetta Danylesko, Roni Shouval, Arnon Nagler, Avichai Shimoni
Acute graft-versus-host disease (GVHD) is the major treatment-related complication after stem-cell transplantation (SCT) from unrelated-donors. Several GVHD prophylaxis regimens have been explored, but no regimen has shown superiority. We analyzed transplantation outcomes in 472 consecutive unrelated-donor SCT recipients, using cyclosporine/methotrexate (MTX, n=314) or cyclosporine/mycophenolate-mofetil (MMF, n=158) for GVHD prophylaxis. Neutrophil engraftment was faster after MMF, day 11 and 14, respectively (P=0...
January 4, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28051798/%C3%A2-conversion-to-mycophenolate-mofetil-monotherapy-in-liver-recipients-calcineurin-inhibitor-levels-are-key
#14
Blanca Norero, Carolina A Serrano, Alberto Sanchez-Fueyo, Ignacio Duarte, Javiera Torres, Mauricio Ocquetau, Francisco Barrera, Marco Arrese, Alejandro Soza, Carlos Benítez
 The use of calcineurin inhibitors (CNI) after liver transplantation is associated with post-transplant nephrotoxicity. Conversion to mycophenolate mofetil (MMF) monotherapy improves renal function, but is related to graft rejection in some recipients. Our aim was to identify variables associated with rejection after conversion to MMF monotherapy. Conversion was attempted in 40 liver transplant recipients. Clinical variables were determined and peripheral mononuclear blood cells were immunophenotyped during a 12-month follow-up...
January 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28042431/vulvovaginal-gingival-lichen-planus-report-of-two-cases-and-review-of-literature
#15
REVIEW
A Lucchese, A Dolci, G Minervini, C Salerno, D DI Stasio, G Minervini, L Laino, F Silvestre, R Serpico
PURPOSE: Oral Lichen Planus (OLP) is a chronic inflammatory disease of skin and mucous membranes. Approximately 20% of women with oral lichen planus develops lesions in the genital mucosa. In 1982, Pelisse described a special form of lichen planus (LP), which consists of a triad of symptoms: vulval, vaginal and gingival (VVG)-LP lesions. Aim of the present report is to report two new cases and review the international literature. MATERIAL AND METHODS: Two cases of VVG-LP are reported and a review of recent literature is performed...
April 2016: Oral & Implantology
https://www.readbyqxmd.com/read/28042125/lupus-myocarditis-initial-presentation-and-longterm-outcomes-in-a-multicentric-series-of-29-patients
#16
Guillemette Thomas, Fleur Cohen Aubart, Laurent Chiche, Julien Haroche, Miguel Hié, Baptiste Hervier, Nathalie Costedoat-Chalumeau, Karine Mazodier, Mikael Ebbo, Philippe Cluzel, Nadège Cordel, David Ribes, Jean Chastre, Nicolas Schleinitz, Véronique Veit, Jean-Charles Piette, Jean-Robert Harlé, Alain Combes, Zahir Amoura
OBJECTIVE: Cardiac involvement during systemic lupus erythematosus (SLE) may include the pericardium, myocardium, valvular tissue, and coronary arteries. The aim of this study was to describe the clinical, biological, and radiological presentation of lupus myocarditis (LM) as well as the treatment response and longterm outcomes. METHODS: We conducted a multicentric retrospective study of LM from January 2000 to May 2014. RESULTS: Twenty-nine patients (3 men and 26 women) fulfilled the inclusion criteria (median age at the diagnosis of SLE: 30 yrs, range 16-57)...
January 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28039079/post-transplant-cyclophosphamide-and-tacrolimus-mycophenolate-mofetil-combination-prevents-graft-versus-host-disease-in-allogeneic-peripheral-blood-hematopoietic-cell-transplantation-from-hla-identical-donors
#17
Fabrizio Carnevale-Schianca, Daniela Caravelli, Susanna Gallo, Valentina Coha, Lorenzo D'Ambrosio, Elena Vassallo, Marco Fizzotti, Francesca Nesi, Luisa Gioeni, Massimo Berger, Alessandra Polo, Loretta Gammaitoni, Paolo Becco, Lidia Giraudo, Monica Mangioni, Dario Sangiolo, Giovanni Grignani, Delia Rota-Scalabrini, Antonino Sottile, Franca Fagioli, Massimo Aglietta
Allogeneic hematopoietic cell transplant (HCT) remains the only curative therapy for many hematologic malignancies but it is limited by high nonrelapse mortality (NRM), primarily from unpredictable control of graft-versus-host disease (GVHD). Recently, post-transplant cyclophosphamide demonstrated improved GVHD control in allogeneic bone marrow HCT. Here we explore cyclophosphamide in allogeneic peripheral blood stem cell transplantation (alloPBSCT). Patients with high-risk hematologic malignancies received alloPBSCT from HLA-matched unrelated/related donors...
December 27, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28038680/changes-in-plasma-cxcl4-levels-are-associated-with-improvements-in-lung-function-in-patients-receiving-immunosuppressive-therapy-for-systemic-sclerosis-related-interstitial-lung-disease
#18
Elizabeth R Volkmann, Donald P Tashkin, Michael D Roth, Philip J Clements, Dinesh Khanna, Daniel E Furst, Maureen Mayes, Julio Charles, Chi-Hong Tseng, Robert M Elashoff, Shervin Assassi
BACKGROUND: Increased circulatory levels of the chemokine CXCL4 have been associated with the presence of interstitial lung disease (ILD) in an observational study of patients with systemic sclerosis (SSc). The purpose of the present study was to evaluate the relationship between baseline CXCL4 level and extent of ILD in the context of a randomized controlled trial and to determine whether changes in CXCL4 levels in response to immunosuppression are associated with future progression of SSc-ILD...
December 30, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28034820/mycophenolate-mofetil-as-induction-and-long-term-maintaining-treatment-in-childhood-primary-angiitis-of-the-central-nervous-system
#19
Anna Rosati, Alessandra Cosi, Massimo Basile, Alice Brambilla, Renzo Guerrini, Rolando Cimaz, Gabriele Simonini
OBJECTIVE: To report our single centre experience in treating 4 children affected by childhood primary central nervous system vasculitis (cPACNS) using Mycophenolate Mofetil (MMF). METHODS: From December 2011 to August 2015, 4 patients (3 males; age range: 9 months-13 years) affected by cPACNS were collected. Enrolled children received the following treatment protocol: acetylsalicylic acid and/or anticoagulant therapy with low molecular weight heparin (LMWH) 100 U/k BID replaced by acenocoumarol; methyl-prednisolone (30mg/kg/day for 3-5 days) followed by prednisone (2mg/kg/day), tapered and discontinued over 7-8 months; MMF used for induction therapy and subsequent maintenance phase (750-1000mg/m(2) BID, half-dose for the first 10-15 days followed by full-dose)...
December 26, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28030534/single-nucleotide-polymorphism-of-cyp3a5-impacts-the-exposure-to-tacrolimus-in-pediatric-renal-transplant-recipients-a-pharmacogenetic-substudy-of-the-twist-trial
#20
Heiko Billing, Britta Höcker, Alexander Fichtner, Rita van Damme-Lombaerts, Styrbjorn Friman, Jenö Jaray, Karel Vondrak, Eniko Sarvary, Luca Dello Strologo, Michael Oellerich, Nicolas von Ahsen, Burkhard Tönshoff
BACKGROUND: The pharmacokinetics (PK) of tacrolimus (TAC) and mycophenolic acid (MPA) are highly variable. An impact of single-nucleotide polymorphisms (SNPs) of the genes coding for enzymes and transporters involved in the PK of TAC and/or MPA is intuitively conceivable. Accordingly, we sought to analyze the influence of different SNPs on TAC and MPA exposure in pediatric renal transplant recipients. METHODS: A subpopulation of 37 patients (median age: 12.8 years, range 2...
November 24, 2016: Therapeutic Drug Monitoring
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