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The purpose of the present study was to evaluate the detection rate of genomic aberrations in haematological malignancies using oligobased array-CGH (oaCGH) analysis in combination with karyotyping and fluorescence in situ hybridization (FISH) analyses, and its feasibility in a clinical pragmatic approach.', 'The 4x180K Cancer Cytochip array was applied in 96 patients with various haematological malignancies in a prospective setting and in 41 acute myeloid leukemia (AML) patients retrospectively.', 'Combined use of oaCGH analysis and karyotyping improved the overall detection rate in comparison to karyotyping-alone and vice versa. In cases with normal karyotypes oaCGH analysis detected genomic aberrations in 66% (39/60) of cases. In the group of simple karyotypes oaCGH analysis extended karyotypic findings in 39% (12/31) while oaCGH analysis extended the karyotypic findings in 89% (39/44) of cases with complex karyotypes. In 7% (5/75) of cases oaCGH analysis failed in detecting the observed abnormalities by karyotyping.
Does oligo-based High-resolution aCGH Analysis enhance Routine Cytogenetic Diagnostics in Haematological Malignancies?

Airway remodeling in asthma is the result of increased expression of connective tissue proteins, airway smooth muscle cell (ASMC) hyperplasia and hypertrophy. TGF-beta1 has been found to increase ASMC proliferation. The activation of mitogen-activated protein kinases (MAPKs), p38, ERK, and JNK, is critical to the signal transduction associated with cell proliferation. In the present study, we determined the role of phosphorylated MAPKs in TGF-beta1 induced ASMC proliferation.', 'Confluent and growth-arrested bovine ASMCs were treated with TGF-beta1. Proliferation was measured by [3H]-thymidine incorporation and cell counting. Expressions of phosphorylated p38, ERK1/2, and JNK were determined by Western analysis.', 'In a concentration-dependent manner, TGF-beta1 increased [3H]-thymidine incorporation and cell number of ASMCs. TGF-beta1 also enhanced serum-induced ASMC proliferation. Although ASMCs cultured with TGF-beta1 had a significant increase in phosphorylated p38, ERK1/2, and JNK, the maximal phosphorylation of each MAPK had a varied onset after incubation with TGF-beta1. TGF-beta1 induced DNA synthesis was inhibited by SB 203580 or PD 98059, selective inhibitors of p38 and MAP kinase kinase (MEK), respectively. Antibodies against EGF, FGF-2, IGF-I, and PDGF did not inhibit the TGF-beta1 induced DNA synthesis.
Does tGF-beta1 increase proliferation of airway smooth muscle cells by phosphorylation of map kinases?

To test whether an acute transfusion practice of packed red blood cells (pRBC) : fresh-frozen plasma (FFP) 1 : 1 would be associated with reduced mortality in acute bleeding multiply injury.', 'Retrospective analysis using the TR-DGU database (Trauma Registry of the Deutsche Gesellschaft fur Unfallchirurgie 2002-2006) on primary admissions with substantial injury (Injury Severity Score > 16) and massive transfusion (> 10 pRBCs). Seven hundred thirteen patients were divided into three groups according to the pRBC : FFP ratio transfused, that is, (i) pRBC : FFP > 1.1; (ii) pRBC : FFP 0.9-1.1 (1 : 1); and (iii) pRBC : FFP < 0.9, and mortality rates were compared.', 'Four hundred ninety-seven (69.7%) of patients were male, the mean age was 40.1 (+/- 18.3) years. Injury characteristics and pathophysiological state upon emergency room arrival were comparable between groups. Out of 713, 484 patients had undergone massive transfusion with pRBC : FFP > 1.1, 114 with pRBC : FFP 0.9-1.1 (1 : 1), and 115 with pRBC : FFP < 0.9 ratios. Acute mortality (< 6 h) rates for pRBC : FFP > 1.1, pRBC : FFP 0.9-1.1 (1 : 1), and pRBC : FFP < 0.9 ratios were 24.6, 9.6 and 3.5% (P < 0.0001), 24-h mortality rates were 32.6, 16.7 and 11.3% (P < 0.0001), and 30-day mortality rates were 45.5, 35.1 and 24.3% (P < 0.001). The frequency for septic complications and organ failure was higher in the pRBC : FFP 0.9-1.1 (1 : 1) group, ventilator days and length of stays for intensive care unit and overall in-hospital were highest in the pRBC : FFP < 0.9 ratio group (P < 0.0005).
Are red-blood-cell to plasma ratios transfused during massive transfusion associated with mortality in severe multiple injury : a retrospective analysis from the Trauma Registry of the Deutsche Gesellschaft fur Unfallchirurgie?