After subcutaneous implantation, the thermally responsive microcapsules resulted in a more sustained
and long-term SDF-1 alpha release compared with those without PNIPAAm-grafting. In the future, this delivery system may have great potential for use in cell recruiting biomaterials for various tissue engineering and regenerative medicine applications. (C) 2013 Elsevier Ltd. All rights reserved.”
“PURPOSE. Recent studies have demonstrated that a new antitumor necrosis factor (TNF)-alpha antibody, infliximab, is effective in controlling ocular inflammatory attacks in Behcet’s disease. In this study, Vorinostat chemical structure the effect of infliximab on gene expression patterns in peripheral blood mononuclear cells of Behcet’s disease patients was investigated before and after initiation of infliximab treatment.\n\nMETHODS. A human whole-genome microarray of 54,359 genes was used to analyze mRNA expression profiles of
peripheral blood mononuclear cells obtained from selleck chemical four patients (three women, one man, 21-64 years at age) at baseline and at 22 weeks after initiation of infliximab. Quantitative polymerase chain reaction (PCR) analysis was performed for selected up -or downregulated genes, to confirm the microarray results.\n\nRESULTS. Anti-TNF-alpha therapy reduced the frequency of ocular episodes in three of four patients. Among inflammatory cytokine-related genes, TNF blockade reduced expression of interleukin (IL)-1 receptor type 2, interferon-gamma receptors, IL6, IL6 receptor, gp130, and IL17 receptors. Furthermore, gene expression of Toll-like receptor CAL101 2 (TLR2), receptor for mycobacterial glycolipid (C-type lectin domain family 4, member E: CLEC4E), and complexin 2 (CPLX2)was downregulated in all patients.\n\nCONCLUSIONS. Several up- or downregulated genes identified in this study may be candidates for further investigation in identifying the molecular mechanism of infliximab in the treatment of Behcet’s disease with refractory uveoretinitis. (Invest Ophthalmol Vis
Sci. 2011;52:7681-7686) DOI:10.1167/iovs.11-7999″
“Previous studies on a cytokine model for schizophrenia reveal that the hyperdopaminergic innervation and neurotransmission in the globus pallidus (GP) is involved in its behavioral impairments. Here, we further explored the physiological consequences of the GP abnormality in the indirect pathway, using the same schizophrenia model established by perinatal exposure to epidermal growth factor (EGF). Single-unit recordings revealed that the neural activity from the lateral GP was elevated in EGF-treated rats in vivo and in vitro (i.e., slice preparations), whereas the central area of the GP exhibited no significant differences. The increase in the pallidal activity was normalized by subchronic treatment with risperidone, which is known to ameliorate their behavioral deficits. We also monitored extracellular GABA concentrations in the substantia nigra, one of the targets of pallidal efferents.