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Article Publish Status: FREE
Abstract Title:

Nanodelivery and anticancer effect of a limonoid, nimbolide, in breast and pancreatic cancer cells.

Abstract Source:

Int J Nanomedicine. 2019 ;14:8095-8104. Epub 2019 Oct 7. PMID: 31632020

Abstract Author(s):

Arjun Patra, Swaha Satpathy, Muhammad Delwar Hussain

Article Affiliation:

Arjun Patra

Abstract:

Introduction: Nimbolide (Nim), a limonoid obtained from the neem tree,, has several pharmacological properties, including anticancer effects in different type of cancers. No drug-delivery system has been reported for enhancing the therapeutic application of this novel hydrophobic molecule.

Methods: In the present research, poly(lactic--glycolic acid) (PLGA) nanoparticles of Nim (Nim-nano) were formulated by nanoprecipitation, characterized for physicochemical properties, and screened for anticancer potential in breast (MCF-7 and MDA-MB-231) and pancreatic (AsPC-1) cancer cell lines.

Results: The Nim-nano had a particle size of 183.73±2.22 nm and 221.20±11.03 nm before and after lyophilization, respectively. Cryoprotectants (mannitol and sucrose) significantly inhibited growth in particle size due to lyophilization. The ζ-potential of the Nim-nano was -22.40±4.40 mV. Drug loading and encapsulation efficiency of Nim-nano were5.25%±1.12% and 55.67%±12.42%, respectively. The Nim-nano exhibited sustained release of Nim for more than 6 days in PBS (pH 7.4) and showed two- to three-fold enhanced cytotoxicity in breast and pancreatic cancer cell lines compared with free Nim.

Conclusion: The Nim-nano formulation has great potential for treatment of cancers, such as pancreatic and breast cancer. Further, the PLGA-polymer surface can be modified by conjugation with polyethylene glycol, receptor-binding ligands (eg, folic acid), and other that which may lead to targeted delivery of Nim in the treatment of cancer.

Study Type : In Vitro Study

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