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Blood–brain barrier and laser technology for drug brain delivery

Journal of Innovative Optical Health Sciences 2017年第5期10卷 27-38页

作者： Oxana V.Semyachkina-Glushkovskaya Arkady S.Abdurashitov Elena I.Saranceva Eketerina G.Borisova Alexander A.Shirokov Nikita V.Navolokin Saratov State University 83 Astrakhanskaya Str.Saratov 410012 Russia Institute of Electronics Bulgarian Academy of Sciences TsarigradskoChaussee 72 Sofia 1784Bulgaria Institute of Biochemistry and Physiology of Plants and Microorganisms Russian Academy of Sciences 13 Prospekt EntuziastovSaratov 410049Russia Saratov State Medical University Saratov 410010 Russia

Here,we discuss an important problem in medicine as development of efctive strategies for brain drug *** problem is related to the blood-brain barrier(BBB),which is a“customs”controlling the entrance of different molecules from blood into the brain protecting the normal function of central nervous system(CNS).We show three interfaces of anatomical side of BBB and two functional types of BBB一physical and transporter *** this protective mechanism is essential for health of CNS,it also creates a hindrance to the entry of drugs into the *** BBB was discovered over 100 years ago but till now,there is no efective methods for brain drug *** ane more than 70 approaches for overcoming BBB incuding physical,chenical and biological techniques but all of these tools have limitation to be widely used in clinical practice due to invasi venes,challenge in performing,very costly or lim-itation of drug *** therapy(PDT)is usual clinical method of surgical navigation for the resection of brain tumor and anti-cancer ***,the application of PDT is considered as a potential promising tool for brain drug delivery via opening of ***,we show the first sucoessful experimental results in this field discussing the adventures and disadv antages of PDT-related BBB disruption as well as altematives to overcome these limitations and possi ble mechanisms with new pathways for brain clearance via gly mphatic and lymphatic systems.

关键词： Blood-brain barrier laser technologies photodynamic therapy brain drug delivery

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