نتایج جستجو برای: mycophenolic acid mpa
تعداد نتایج: 759257 فیلتر نتایج به سال:
Cytoskeleton alterations are a hallmark of mesangial cell activation during glomerulosclerosis. The aim of this study was to investigate whether mycophenolic acid (MPA) affects cytoskeletal organization and motility of human mesangial cells. Using the IP15 cell line, we found that treatment with 1 micromol/L MPA inhibited both receptor-dependent (angiotensin II) and receptor-independent (KCl) c...
Mycophenolic acid (MPA)-induced beta-cell toxicity is an important factor for islet graft function. The signal transduction mechanisms underlying this process have not been fully explored. Using a proteomics approach, we examined protein expression patterns in MPA-treated RIN-5 cells and found that RhoGDI-alpha expression is altered by MPA-treatment. We examined the relationship between RhoGDI-...
Mechanisms of immunosuppressive action of mycophenolic acid (MPA) on rat lymphocytes and correlations among MPA plasma concentrations (pharmacokinetics) and its suppression of immune functions (pharmacodynamics) were studied in vitro and in vivo. In vitro, MPA inhibited concanavalin A-stimulated lymphocyte proliferation in blood [tritium-labeled thymidine ([(3)H]TdR) incorporation, percentage o...
BACKGROUND Mycophenolic acid (MPA), the active moiety of the prodrug mycophenolate mofetil, is widely used in immunosuppressive regimens after kidney, liver or heart transplantation. MPA is metabolized predominantly to the inactive 7-O-glucuronide (MPAG). A minor fraction is converted to the pharmacologically active acyl glucuronide (AcMPAG). All compounds ultimately are eliminated via the kidn...
Mycophenolic acid (MPA) is an immunosuppressant drug commonly used to prevent organ rejection in transplanted patients. MPA monitoring of great interest due its small therapeutic window. In this work, a phage-displayed peptide library was select cyclic peptides that bind the MPA-specific recombinant antibody fragment (Fab) and mimic behavior MPA. After biopanning, several were isolated tested c...
1. Mycophenolic acid, an antibiotic of some antiquity that more recently has been found to have marked activity against a range of tumours in mice and rats, strongly inhibits DNA synthesis in the L strain of fibroblasts in vitro. 2. The extent of the inhibition of DNA synthesis is markedly increased by preincubation of the cells with mycophenolic acid before the addition of [(14)C]thymidine. 3....
Mycophenolic acid is a commonly used immunosuppressant after organ transplantation and in autoimmune diseases; however, myelosuppression is a major complication despite its largely favorable side-effect profile. Mycophenolic acid targets inosine monophosphate dehydrogenase, which is essential for T-cell proliferation. The T-cell cytokine interleukin-17 (IL-17 or IL-17A) and its receptor maintai...
Mycophenolic acid (MPA) is a fungal metabolite possessing antiviral, antifungal, antibacterial, antitumor and anti-psoriasis activities. It is being used as an immunosuppressive agent in kidney, heart and liver transplantation patients. In the presence of MPA, the proliferation of the B and T lymphocytes is inhibited. The MPaB and MPaE genes reside in a 25 kb gene cluster in t...
Mycophenolic acid (MPA) is an active metabolite of mycophenolate mofetil, a new immunosuppressive drug effective in the treatment of canine autoimmune diseases. The impact of MPA on immunity is ambiguous and its influence on the canine immune system is unknown. The aim of the study was to determine markers of changes in stimulated peripheral canine lymphocytes after treatment with MPA in vitro....
BACKGROUND HPLC is currently the preferred method for accurate measurement of mycophenolic acid (MPA). This study was designed to validate the Emit compared with HPLC in relation to clinical outcome measurements. METHODS Pediatric renal-transplant recipients (n = 50) on an immunosuppressive triple regimen consisting of cyclosporin A, prednisone, and mycophenolate mofetil (600 mg/m(2) twice pe...
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