[Function, aging and dysfunction of blood-brain barrier. Crossing the barrier].

The blood-brain barrier is an interface between the circulation and brain. It is responsible for the homeostasis of central nervous system, protection and feeding of the brain and for providing the conditions for fine regulation of neurons. The coordinated function of different cell types and the regulated expression of molecular systems make possible the functionality of blood-brain barrier.

Age-associated physiological and pathological changes at the blood-brain barrier: A review.

The age-associated decline of the neurological and cognitive functions becomes more and more serious challenge for the developed countries with the increasing number of aged populations. The morphological and biochemical changes in the aging brain are the subjects of many extended research projects worldwide for a long time. However, the crucial role of the blood-brain barrier (BBB) impairment and disruption in the pathological processes in age-associated neurodegenerative disorders received special attention just for a few years.

Restenosis and therapy.

The vascular disease involves imbalanced function of the blood vessels. Risk factors playing a role in development of impaired vessel functions will be briefly discussed. In ischemia/reperfusion (I/R), ischemic hypoxia is one of the cardinal risk factors of restenosis.

Reverse regulation of endothelial cells and myointimal hyperplasia on cell proliferation by a heatshock protein-coinducer after hypoxia.

Background And Purpose: Myointimal hyperplasia (MIH) cells are related to permanent upregulated proliferation as tumor-like cells. The aim of this study is to assess whether treatment of cells after hypoxia by Iroxanadine heat-shock protein (HSP-coinducer) predicts recovery through cell proliferation.

Methods: Vascular smooth muscle cells (VSMC) and brain capillary endothelial cells (HBEC) were isolated from human origin and MIH-cells from early carotid restenosis after surgery.

Cytoprotective effect of two synthetic enhancer substances, (-)-BPAP and (-)-deprenyl, on human brain capillary endothelial cells and rat PC12 cells.

Enhancer regulation is a new control mechanism in the brain [Knoll, J., 2003. Enhancer regulation/endogenous and synthetic enhancer compounds: a neurochemical concept of the innate and acquired drives.

Pharmacologically activated migration of aortic endothelial cells is mediated through p38 SAPK.

Impairment in endothelial cell (EC) function plays a central role in vascular diseases (e.g. atherosclerosis, restenosis, diabetic angiopathies, microvascular angina, peripheral arterial disease).