Construction of a PLGA based, targeted siRNA delivery system for treatment of osteoporosis
Journal of Biomaterials Science, Polymer Edition, ISSN: 1568-5624, Vol: 28, Issue: 16, Page: 1859-1873
2017
- 20Citations
- 43Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations20
- Citation Indexes20
- 20
- CrossRef17
- Captures43
- Readers43
- 43
Article Description
Osteoporosis, a systemic skeletal disorder, occurs when bone turnover balance is disrupted. With the identification of the genes involved in the pathogenesis of the disease, studies on development of new treatments has intensified. Short interfering RNA (siRNA) is used to knockdown disease related gene expressions. Targeting siRNA in vivo is challenging. The maintenance of therapeutic plasma level is hampered by clearance of siRNA from the body. Targeted systems are useful in increasing the drug concentration at the target site and decreasing side effects. Aim of the present study was to develop an injectable siRNA delivery system to protect siRNA during systemic distribution and target the siRNA to bone tissue using a thermoresponsive, genetically engineered, elastin-like recombinamer (ELR), designed to interact with the mineral component of bone. The delivery system consisted of DNAoligo as a siRNA substitute complexed with the cationic polymer, polyethyleneimine (PEI), at N/P ratio of 20. The complex was encapsulated in poly(lactic acid-co-glycolic acid) (PLGA) nanocapsules. PLGA capsules were characterized by SEM, TEM and XPS. FTIR was used to show the preferential attachment of ELR to HAp. Encapsulation efficiency of the complex in PLGA nanocapsules was 48%. The release kinetics of the complex fits the Higuchi release kinetics.
Bibliographic Details
Informa UK Limited
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