» Articles » PMID: 21695227

Characterization of 9-nitrocamptothecin Liposomes: Anticancer Properties and Mechanisms on Hepatocellular Carcinoma in Vitro and in Vivo

Overview
Journal PLoS One
Date 2011 Jun 23
PMID 21695227
Citations 7
Authors
Affiliations
Soon will be listed here.
Abstract

Background: Hepatocellular carcinoma (HCC) is the third most common cause of cancer related mortality worldwide. 9-Nitrocamptothecin (9NC) is a potent topoisomerase-I inhibitor with strong anticancer effect. To increase the solubility and stability, we synthesized a novel 9NC loaded liposomes (9NC-LP) via incorporating 9NC into liposomes. In the present study, we determined the effects of 9NC and 9NC-LP on in vitro and in vivo, and the underlying mechanisms.

Methodology/principal Findings: We first analyzed the characteristics of 9NC-LP. Then we compared the effects of 9NC and 9NC-LP on the proliferation and apoptosis of HepG2, Bel-7402, Hep3B and L02 cells in vitro. We also investigated their anticancer properties in nude mice bearing HCC xenograft in vivo. 9NC-LP has a uniform size (around 190 nm) and zeta potential (∼-11 mV), and exhibited a steady sustained-release pattern profile in vitro. Both 9NC and 9NC-LP could cause cell cycle arrest and apoptosis in a dose-dependent and p53-dependent manner. However, this effect was not ubiquitous in all cell lines. Exposure to 9NC-LP led to increased expression of p53, p21, p27, Bax, caspase-3, caspase-8, caspase-9 and apoptosis-inducing factor, mitochondrion-associated 1 and decreased expression of Bcl-2, cyclin E, cyclin A, Cdk2 and cyclin D1. Furthermore, 9NC-LP exhibited a more potent antiproliferative effect and less side effects in vivo. Western blot analysis of the xenograft tumors in nude mice showed similar changes in protein expression in vivo.

Conclusions/significance: In conclusion, 9NC and 9NC-LP can inhibit HCC growth via cell cycle arrest and induction of apoptosis. 9NC-LP has a more potent anti-tumor effect and fewer side effects in vivo, which means it is a promising reagent for cancer therapy via intravenous administration.

Citing Articles

Smart Targeted Delivery Systems for Enhancing Antitumor Therapy of Active Ingredients in Traditional Chinese Medicine.

Kang C, Wang J, Li R, Gong J, Wang K, Wang Y Molecules. 2023; 28(16).

PMID: 37630208 PMC: 10459615. DOI: 10.3390/molecules28165955.


Lipid based nanoparticles as a novel treatment modality for hepatocellular carcinoma: a comprehensive review on targeting and recent advances.

Mahmoud K, Swidan S, El-Nabarawi M, Teaima M J Nanobiotechnology. 2022; 20(1):109.

PMID: 35248080 PMC: 8898455. DOI: 10.1186/s12951-022-01309-9.


Lipid-based pulmonary delivery system: a review and future considerations of formulation strategies and limitations.

Ngan C, Asmawi A Drug Deliv Transl Res. 2018; 8(5):1527-1544.

PMID: 29881970 DOI: 10.1007/s13346-018-0550-4.


Nanoliposomal delivery of cytosolic phospholipase A inhibitor arachidonyl trimethyl ketone for melanoma treatment.

Gowda R, Dinavahi S, Iyer S, Banerjee S, Neves R, Pameijer C Nanomedicine. 2018; 14(3):863-873.

PMID: 29317343 PMC: 5899023. DOI: 10.1016/j.nano.2017.12.020.


Nanoparticle-Based Celecoxib and Plumbagin for the Synergistic Treatment of Melanoma.

Gowda R, Kardos G, Sharma A, Singh S, Robertson G Mol Cancer Ther. 2016; 16(3):440-452.

PMID: 28003325 PMC: 5821064. DOI: 10.1158/1535-7163.MCT-16-0285.


References
1.
Alexis F, Pridgen E, Langer R, Farokhzad O . Nanoparticle technologies for cancer therapy. Handb Exp Pharmacol. 2010; (197):55-86. DOI: 10.1007/978-3-642-00477-3_2. View

2.
Soussi T . The p53 tumor suppressor gene: from molecular biology to clinical investigation. Ann N Y Acad Sci. 2000; 910:121-37; discussion 137-9. DOI: 10.1111/j.1749-6632.2000.tb06705.x. View

3.
Malam Y, Loizidou M, Seifalian A . Liposomes and nanoparticles: nanosized vehicles for drug delivery in cancer. Trends Pharmacol Sci. 2009; 30(11):592-9. DOI: 10.1016/j.tips.2009.08.004. View

4.
Owens 3rd D, Peppas N . Opsonization, biodistribution, and pharmacokinetics of polymeric nanoparticles. Int J Pharm. 2005; 307(1):93-102. DOI: 10.1016/j.ijpharm.2005.10.010. View

5.
Meeran S, Katiyar S . Cell cycle control as a basis for cancer chemoprevention through dietary agents. Front Biosci. 2007; 13:2191-202. PMC: 2387048. DOI: 10.2741/2834. View