Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Neurosciences
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Blood-Brain Barrier - Drug Delivery and Brain Pathology (Paperback, Softcover reprint of the original 1st ed. 2001)
Loot Price: R1,638
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Blood-Brain Barrier - Drug Delivery and Brain Pathology (Paperback, Softcover reprint of the original 1st ed. 2001)
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The vasculature of the central nervous system (eNS) is
characterized by the existence of the blood-brain barrier (BBB),
which can be regarded as both an anatomical and physiological
phenomenon. The BBB is formed by a complex cellular system of
endothelial cells, astroglia, pericytes, perivascular macrophages
and a basal membrane, although the anatomic substrate of the BBB is
the interendothelial tight junctions that form a continuous
sealing. The BBB serves as an exquisitely controlled, functional
gate to the eNS. It not only protects the brain from agents in the
blood that could impair neurological function, but also controls
the influx and efflux of numerous substances to maintain proper
homeostasis and provide the brain with necessary nutrients. The
structural and functional integrity of the BBB was shown to be
dramatically altered during various diseases of the eNS, including
neoplasia, ischemia, trauma, hypertension, inflammation and
epilepsy. Recent years research has partially elucidated the
mechanisms underlying the development of some of these brain
disorders as well as the pathways used by different pathogens, like
bacteria and viruses, to initiate eNS infections. The development
of in vitro models of the BBB had instrumental role in the
understanding of the involvement of the BBB in the pathogenesis of
several eNS diseases. The intimate, functional association between
the function of the brain and the activity of the BBB makes the
later a target for pharmacological modulation that will expand the
therapeutic possibilities for a range of neurological diseases.
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