نتایج جستجو برای: apoptosis fibroblast like synoviocyte hypericin photodynamic
تعداد نتایج: 835811 فیلتر نتایج به سال:
PUMA (p53-upregulated modulator of apoptosis) is a pro-apoptotic gene that can induce rapid cell death through a p53-dependent mechanism. However, the efficacy of PUMA gene therapy to induce synovial apoptosis in rheumatoid arthritis might have limited efficacy if p53 expression or function is deficient. To evaluate this issue, studies were performed to determine whether p53 is required for PUM...
OBJECTIVE To determine the diagnostic value of serum and synovial procalcitonin (PCT) for bacterial arthritis and to determine the cellular origin of synovial PCT. METHODS A prospective study enrolled 42 patients with acute arthritis including 11 bacterial arthritis, 18 rheumatoid arthritis and 13 crystal induced arthritis. Diagnostic values of serum and synovial PCT levels were determined by...
St. John's Wort (SJW), an over-the-counter antidepressant, contains hypericin, which absorbs light in the UV and visible ranges and is phototoxic to skin. To determine if it also could be phototoxic to the eye, we exposed human lens epithelial cells to 0.1-10 microM hypericin and irradiated them with 4 J/cm2 UV-A or 0.9 J/cm2 visible light. Neither hypericin exposure alone nor light exposure al...
photodynamic therapy (pdt) using 5-aminolevulinic acid (5-ala)-induced protoporphyrin ix (ppix) has been considered as a new method for treating neoplasms. however, ala-pdt is suboptimal for thick tumors. searching for new approaches, we investigated the effect of adding differentiation therapy (dt) with vitamin e succinate (ves) to pdt in human prostate ln-cap-fgc10 cancer cells in vitro . the...
There is mounting evidence indicating that the synovial fibroblast is a direct effector of tissue injury and matrix remodeling in inflammatory synovitis. Through the elaboration of effector signals including cytokines and chemokines, mesenchymal cells stimulate or suppress inflammation via autocrine and paracrine mechanisms. Synovial fibroblasts are the principal cells mediating joint destructi...
Rheumatoid arthritis (RA) is a progressive autoimmune disease affecting the joints. In this study, we investigated the role of the pro-angiogenic factor leptin in regulating reactive oxygen species (ROS) to promote cell migration and angiogenesis in RA. We showed that leptin triggered RA fibroblast-like synoviocyte (FLS) migration by increased ROS expression. Additionally, leptin enhanced human...
We are developing retroviral-mediated gene transfer to human fibroblast-like synovial cells (FLS) as one approach to characterizing genetic pathways involved in synoviocyte pathophysiology. Prior work has suggested that FLS are relatively refractory to infection by Moloney murine leukemia virus based vectors. To determine if viral titer influenced the transduction efficiency of FLS, we optimize...
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