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Schwann cells are a regenerative cell type. Following nerve injury, a differentiated myelinating Schwann cell can dedifferentiate and regain the potential to proliferate. These cells then redifferentiate during the repair process. This behaviour is important for successful axonal repair, but the signalling pathways mediating the switch between the two(More)
Mutations in CHMP2B cause frontotemporal dementia (FTD) in a large Danish pedigree, which is termed FTD linked to chromosome 3 (FTD-3), and also in an unrelated familial FTD patient. CHMP2B is a component of the ESCRT-III complex, which is required for function of the multivesicular body (MVB), an endosomal structure that fuses with the lysosome to degrade(More)
Diaspirin-cross-linked hemoglobin (DCLHb; Baxter Healthcare Corp) has potential for clinical use as a hemoglobin-based oxygen-carrying solution. We have previously shown that DCLHb administration is associated with a self-limiting increase in mean arterial pressure (MAP). Based on in vitro studies with other hemoglobin solutions, this vasopressor effect is(More)
Controversy exists whether early aggressive fluid therapy in the setting of uncontrolled hemorrhage worsens outcome by increasing blood loss from injured vessels. Since diaspirin crosslinked hemoglobin (DCLHb) is a vasoactive, oxygen-carrying solution, we compared the effects of DCLHb with other resuscitative fluids on blood loss, hemodynamics, and tissue(More)
Brain function is usually perceived as being performed by neurons with the support of glial cells, the network of blood vessels situated nearby serving simply to provide nutrient and to dispose of metabolic waste. Revising this view, we find from experiments on a rodent central white matter tract (the optic nerve) in vitro that microvascular endothelial(More)
The principal causes of mortality of 754 individuals from a population of 1898 pensioners from four lead acid battery factories during the period 1 January 1925 to 31 December 1976 were studied. In addition the causes of 553 deaths occurring before retirement was also studied. All subjects were placed into one of three groups according to their history of(More)
The distribution of stainable iron stores was investigated in various organs of 50 hemodialysis patients with chronic renal disease. Massive iron deposits were found in the liver and spleen. Among 18 patients with severe hepatosplenic siderosis, iron deposits were abundant in the adrenal glands, lymph nodes, and lungs and were sparse in the heart, kidneys,(More)
The occurrence of thrombotic events is central to the course of polycythemia vera. Myocardial, cerebral, peripheral, and pulmonary infarctions are frequent and are consequences of throbmoses in small and medium caliber arteries. Thrombosis in large caliber arteries is a rare event. Thrombosis within the chambers of the heart has not been hitherto reported.(More)