TY - ADVS AU - Saunders,Norman TI - Barrier mechanisms in the developing brain: protection or vulnerability? T2 - The blood-brain barrier : understanding the regulatory gatekeeper between brain and body, PY - 2014/// CY - London PB - Henry Stewart Talks KW - Biological transport KW - Blood-brain barrier KW - Brain KW - Growth KW - Blood-Brain Barrier KW - cytology KW - embryology KW - growth & development KW - metabolism KW - Capillary Permeability KW - Carrier Proteins KW - Intercellular Junctions KW - Maternal Exposure N1 - Animated audio-visual presentation with synchronized narration; Title from title frames; Contents: The brain develops within a well-defined internal environment -- The properties of this internal environment are determined by transporters in the cellular interfaces between the blood, brain and cerebrospinal fluid -- The transporters are effective because the intercellular spaces between the cells in the interfaces are sealed by tight junctions -- The transporters are both influx and efflux and many are active very early in brain development -- Although brain barrier mechanisms are present very early in development they are vulnerable to pathological conditions e.g. inflammation, which may result in barrier dysfunction and damage to the fragile developing brain -- These mechanisms thus provide protection and a stable internal environment, but some may render the developing brain more vulnerable e. g. inward transport of toxins such as mercury via a normal amino acid transporter; Access restricted to subscribers UR - https://hstalks.com/bs/2721/ UR - https://hstalks.com/bs/p/277/ ER -