Self-complementary AAV (scAAV) vectors

were found to be m

Self-complementary AAV (scAAV) vectors

were found to be more efficient than ssAAV vectors, and the use of hematopoietic cell-specific enhancers/promoters, such as the human beta-globin gene DNase I-hypersensitive site 2 enhancer and promoter (HS2-beta p) from the beta-globin locus control region (LCR), and the human parvovirus B19 promoter at map unit 6 (B19p6), allowed sustained transgene expression in an erythroid lineage-restricted manner in both primary and secondary transplant recipient mice. The proviral AAV genomes were stably integrated into progenitor cell chromosomal DNA, and did not lead to any overt hematological abnormalities in mice. These studies demonstrate the feasibility of the use of novel scAAV vectors for achieving high-efficiency transduction selleck chemicals llc of HSCs as well as erythroid lineage-restricted expression of a therapeutic gene for the potential gene therapy of beta-thalassemia and sickle cell disease.”
“Background: We examined whether tumor growth is enhanced by cecal ligation and puncture (CLP) and Selleckchem PLX3397 suppressed by a neutrophil elastase inhibitor, sivelestat. Materials and Methods: C57BL/6 mice were divided in CLP/sivelestat, CLP alone, and control (simple laparotomy) groups. Murine CT26 colon carcinoma cells were injected subcutaneously into the back of each mouse and tumor

growth and serum cytokine levels were assessed. Results: Mice subjected to CLP alone exhibited enhanced tumor growth compared to controls with subcutaneously injected CT26 cells (0.64 +/- 0.24 g vs. 0.021 +/- 0.027 g, p<0.001), while treatment with CLP/sivelestat produced smaller tumors than CLP alone (0.28 +/- 0.23 g vs. 0.64 +/- 0.24 g, p=0.006). Cytokine assays showed suppressed production of interleukin find more (IL)-6 and IL-10 in the CLP/sivelestat group, and increased IL-6 and IL-10 in the CLP-alone group. Conclusion: Intra-abdominal

inflammation induced by CLP enhances the growth of subcutaneously implanted tumors, while perioperative administration of sivelestat suppresses tumor growth by affecting systemic inflammation.”
“1p/19q codeletion is a favorable prognostic marker of oligodendrogliomas. Although fluorescence in situ hybridization (FISH) and microsatellite-based polymerase chain reaction (PCR) for loss of heterozygosity (LOH) are common methods to test for 1p/19q codeletion, it is unclear which test is better at prognostic stratification. This study analyzed outcomes of 111 oligodendrogliomas with both 1p/19q FISH and LOH done at the time of diagnosis. Overall concordance between the 2 assays was 81.1%. In grade III oligodendrogliomas, LOH was better than FISH at survival stratification (p < 0.0001 for LOH vs p = 0.02 for FISH), although increasing the stringency of FISH interpretation criteria improved concordance and prognostic power.

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