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From naturally-occurring neurotoxic agents to CNS shuttles for drug delivery (Review)

Soddu, Elena and Rassu, Giovanna and Giunchedi, Paolo and Sarmento, Bruno and Gavini, Elisabetta (2015) From naturally-occurring neurotoxic agents to CNS shuttles for drug delivery (Review). European Journal of Pharmaceutical Sciences, Vol. 74 , p. 63-76. ISSN 0928-0987. Article.

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DOI: 10.1016/j.ejps.2015.04.005


Central nervous system (CNS) diseases are hard to diagnose and therapeutically target due to the blood brain barrier (BBB), which prevents most drugs from reaching their sites of action within the CNS. Brain drug delivery systems were conceived to bypass the BBB and were derived from anatomical and functional analysis of the BBB; this analysis led researchers to take advantage of brain endothelial membrane physiology to allow drug access across the BBB. Both receptors and carriers can be used to transport endogenous and exogenous substances into the CNS. Combining a drug with substances that take advantage of these internalization mechanisms is a widely exploited strategy for drug delivery because it is an indirect method that overcomes the BBB in a non-invasive way and is therefore less dangerous and costly than invasive methods.
Neurotoxins, among other naturally-occurring substances, may be used as drug carriers to specifically target the CNS. This review covers the current delivery systems that take advantage of the non-toxic components of neurotoxins to overcome the BBB and reach the CNS. We hope to give insights to researchers toward developing new delivery systems that exploit the positive features of substances usually regarded as natural hazards.

Item Type:Article
ID Code:10969
Uncontrolled Keywords:Neurotoxins, brain delivery systems, CNS shuttles, blood brain barrier, CNS diseases
Subjects:Area 03 - Scienze chimiche > CHIM/09 Farmaceutico tecnologico applicativo
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:Elsevier Science
Deposited On:11 Jun 2015 17:26

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