نتایج جستجو برای: fk506
تعداد نتایج: 2042 فیلتر نتایج به سال:
The hybrid system based on nanoparticles (NPs) self-assembled by the conjugations of hyaluronic acid with cholesterol (HA-Chol NPs) combined with nicotinamide (NIC) for tacrolimus (FK506), ie, FK506 NPs-NIC, has been confirmed to exhibit a significant synergistic effect on FK506 permeation through and into intact skin; thus, it may be a promising approach for FK506 to effectively treat skin dis...
The immunosuppressants cyclosporin A and FK506 (tacrolimus) can block the phosphatase calcineurin, thereby inhibiting gene transcription directed by the cyclic AMP (cAMP)- and calcium-responsive transcription factor, cAMP response element (CRE)-binding protein, and its binding site, CRE, in various cell lines. This action is a novel molecular mechanism of cyclosporin A and FK506 action. Because...
FK506 binding proteins (FKBPs 12 and 12.6) interact with ryanodine receptor (RyR) and modulate its functions. FK506 binds to and reverses effects of FKBP on RyR, thus increasing RyR sensitivity to Ca2+, decreasing RyR cooperativity, and increasing RyR open probability. FK506 would thus be expected to have an effect on excitation-contraction coupling, but which of these FK506 effects predominate...
Tacrolimus (FK506) and cyclosporine A (CsA) are widely used to protect graft function after renal transplantation. The aim of the present study is to determine whether the single nucleotide polymorphism of CYP3A5 is a predictive index of FK506 dose requirement, and also the selection yardstick of FK506 or CsA treatment.We tested archival peripheral blood of 218 kidney recipients for CYP3A5 geno...
Glucocorticoids inhibit the release of eicosanoid pro-inflammatory mediators. The immunosuppressant FK506 is known to enhance many aspects of glucocorticoid action. In the present study we show that FK506 (1 microM or 10 microM) inhibits the release of arachidonic acid and prostaglandin E2 from A549 cells and also inhibits their proliferation. Simultaneous treatment of FK506 together with the g...
The effect of FK506 (tacrolims hydrate), an immunosuppressive agent produced by Streptomyces tsukubaensis, on crescentic-type anti-glomerular basement membrane (GBM) nephritis in rats was investigated. When rats were treated with FK506 from 1 or 20 days after the anti-GBM serum injection, FK506 inhibited the increase in urinary protein excretion. Histological observation demonstrated that FK506...
AIM FK506 (also known Tacrolimus, Prograf) is an immunosuppressant drug which is used to prevent rejection after organ transplantation. Although there are several studies on neuroprotective effect of FK506 on brain ischemia, few reports on effects of FK506 after peripheral nerve ischemia have been reported. In the present study, we examined the size of watershed area after stripping of the epin...
silybum marianum, is known to have anti-inflammatory, hepatoprotective and anticarciogenic effects. the aim of this study was to compare effects of silymarin, rapamycin and fk506 on proliferation and apoptosis of human t cells stimulated with con a. peripheral blood mononuclear cells (pbmc) were stimulated with concavalin a ( con a) (5µg/ml) and then treated with different inhibitors (silymari...
The effect of the immunosuppressant drug FK506 on microsomal Ca2+ release was investigated in rat pancreatic acinar cells. When FK506 (0.1-200 microM) was added to the microsomal vesicles at a steady state of ATP-dependent 45Ca2+ uptake, FK506 caused a dose-dependent and a biphasic release of 45Ca2+. Almost 10% of total 45Ca2+ uptake was released at FK506 concentrations up to 10 microM (Km=0.47...
Immunosuppressive agents are used for the treatment of immune-mediated myocarditis; however, the need to develop a more effective therapeutic approach remains. Nano-sized liposomes may accumulate in and selectively deliver drugs to an inflammatory lesion with enhanced vascular permeability. The aims of this study were to investigate the distribution of liposomal FK506, an immunosuppressive drug...
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