Abstract:
:Nanomedicine is certainly one of the scientific and technological challenges of the coming years. In particular, biodegradable nanoparticles formulated from poly (D,L-lactide-co-glycolide) (PLGA) have been extensively investigated for sustained and targeted delivery of different agents, including recombinant proteins, plasmid DNA, and low molecular weight compounds. PLGA NPs present some very attractive properties such as biodegradability and biocompatibility, protection of drug from degradation, possibility of sustained release, and the possibility to modify surface properties to target nanoparticles to specific organs or cells. Moreover, PLGA NPs have received the FDA and European Medicine Agency approval in drug delivery systems for parenteral administration, thus reducing the time for human clinical applications. This review in particular deals on surface modification of PLGA NPs and their possibility of clinical applications, including treatment for brain pathologies such as brain tumors and Lysosomal Storage Disorders with neurological involvement. Since a great number of pharmacologically active molecules are not able to cross the Blood-Brain Barrier (BBB) and reach the Central Nervous System (CNS), new brain targeted polymeric PLGA NPs modified with glycopeptides (g7- NPs) have been recently produced. In this review several in vivo biodistribution studies and pharmacological proof-of evidence of brain delivery of model drugs are reported, demonstrating the ability of g7-NPs to create BBB interaction and trigger an efficacious BBB crossing. Moreover, another relevant development of NPs surface engineering was achieved by conjugating to the surface of g7-NPs, some specific and selective antibodies to drive NPs directly to a specific cell type once inside the CNS parenchyma.
journal_name
Curr Med Chemjournal_title
Current medicinal chemistryauthors
Tosi G,Bortot B,Ruozi B,Dolcetta D,Vandelli MA,Forni F,Severini GMdoi
10.2174/0929867311320170006subject
Has Abstractpub_date
2013-01-01 00:00:00pages
2212-25issue
17eissn
0929-8673issn
1875-533Xpii
CMC-EPUB-20130221-8journal_volume
20pub_type
杂志文章,评审abstract::Obesity, associated with a series of complications such as diabetes, hypertension, and heart disease, is a great threat to human health and leads to increased morbidity and mortality. Despite the presence of anti-obesity agents on the market, the application of these drugs is limited because of their typical side effe...
journal_title:Current medicinal chemistry
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journal_title:Current medicinal chemistry
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更新日期:2013-01-01 00:00:00
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更新日期:2005-01-01 00:00:00
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更新日期:2016-05-27 00:00:00
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更新日期:2020-01-01 00:00:00
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更新日期:2003-08-01 00:00:00
abstract::The arachidonic acid metabolizing enzymes, cyclooxygenase-2 (COX-2) and 5- lipoxygenase (5-LOX), are both highly expressed during the carcinogenesis in colons. Cigarette smoking promotes these carcinogenic processes at the early stage during adenoma formation. In this article, the involvement of COX-2 and 5-LOX, along...
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更新日期:2016-01-01 00:00:00
abstract::Atrial fibrillation (AF) and chronic kidney disease (CKD) are disorders with increasing prevalence. The presence of CKD increases the risk of incident AF and vice versa, and the presence of AF may accelerate CKD progression. Nearly a third of patients with established CKD also have AF, whilst half of AF patients may h...
journal_title:Current medicinal chemistry
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更新日期:2016-01-01 00:00:00
abstract::Antisynthetase syndrome is a group of closely related rare diseases which clinically manifest with inflammatory myopathies, interstitial lung disease, inflammatory arthritis, skin hyperkeratosis (mechanic’s hands) and Raynaud phenomenon. The pathophysiology of antisynthetase syndrome is not entirely understood, but ge...
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更新日期:2015-05-13 00:00:00
abstract:BACKGROUND:Despite the historical employment of boron-containing compounds (BCCs) with medicinal purposes, the reported cases of BCC toxicity in humans during the twentieth century were driving us towards an "boron-withdrawal" period. Fortunately, the use of boric acid for specific purposes remains, and the discovery o...
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更新日期:2019-03-27 00:00:00
abstract::Agents modulating apoptosis are of extraordinary promise for the treatment of several states of disease including cancer, AIDS, neurodegenerative and ischemic diseases. In this review a brief summary of cellular pathways relevant to programmed cell death first is given and potential therapeutic targets therein are emp...
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更新日期:1999-05-01 00:00:00
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更新日期:2020-08-05 00:00:00
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更新日期:2016-01-01 00:00:00
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更新日期:2012-01-01 00:00:00
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更新日期:2019-01-01 00:00:00
abstract::On December 23rd, 1971, President Richard Nixon signed the National Cancer Act and invested more than $ 100 million "to launch an intensive campaign to find a cure for cancer". Today, despite these considerable efforts, cancer still remains a very aggressive silent killer all over the world. Moreover, over the last de...
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更新日期:2012-01-01 00:00:00
abstract::The introduction of highly active antiretroviral therapy (HAART) in 1996 dramatically changed the course of HIV infection. This therapy involves the use of at least three agents from two distinct classes of antivirals: a protease inhibitor (PI) in combination with two nucleoside/nucleotide reverse transcriptase inhibi...
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更新日期:2007-01-01 00:00:00
abstract:BACKGROUND:The possibilities of treatment for oncological diseases are growing enormously in the last decades. Unfortunately, these developments have led to the onset of resistances with regards to the new treatments. This is particularly true if we face with the therapeutic field of Tyrosine Kinase Inhibitors (TKIs). ...
journal_title:Current medicinal chemistry
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更新日期:2019-01-01 00:00:00
abstract::The development of biodegradable nanoparticles is an important tool for the biological transport of chemical compounds. The nanoencapsulation reduces the biopharmaceutical and pharmacokinetic drawbacks of compounds and enhances their biological properties. Naturally occurring polymers such as proteins and polysacchari...
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更新日期:2020-11-24 00:00:00
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更新日期:2007-01-01 00:00:00
abstract:BACKGROUND:Neuronal α4β2 nAChRs are receptors involved in the role of neurotransmitters regulation and release, and this ionic channel participates in biological process of memory, learning and attention. This work aims to review the structure and functioning of the α4β2 nAChR emphasizing its role in the treatment of a...
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更新日期:2019-01-01 00:00:00