BMC Pharmacology and Toxicology | VOL. 22
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Folic acid modified TPGS as a novel nano-micelle for delivery of nitidine chloride to improve apoptosis induction in Huh7 human hepatocellular\u2002carcinoma

Publication Date Jan 6, 2021

Abstract

BackgroundThe development of novel and effective drugs for targeted human hepatocellular\u2002carcinoma still remains a great challenge. The alkaloid nitidine chloride (NC), a component of a traditional Chinese medicine, has been shown to have anticancer properties, but doses at therapeutic levels have unacceptable side effects. Here we investigate folic acid modified D-\u03b1-tocopheryl polyethylene glycol 1000 succinate (TPGS-FA) as a potential carrier for controlled delivery of the drug.MethodsSynthesized TPGS-FA was characterized by FTIR, UV-visible and 1H NMR spectroscopy, and TPGS loaded with NC was evaluated for its ability to induce apoptosis in Huh7 cells by Annexin V/PI and MTT assays, and observed by laser scanning confocal microscopy and inverted phase contrast microscopy.ResultsTPGS-FA/NC complexes were prepared successfully, and were homogenious with a uniform size of ~\u200914\u2009nm diameter. NC was released from the TPGS-FA/NC complexes in a controlled and sustained manner under physiological conditions (pH\u20097.4). Furthermore, its cytotoxicity to hepatocarcinoma cells was greater than that of free NC.ConclusionsTPGS-FA is shown to be useful carrier for drugs such as NC, and TPGS-FA/NC could potentially be a potent and safe drug for the treatment of hepatocellular\u2002carcinoma.

Concepts
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Nitidine Chloride
Apoptosis In Huh7 Cells
Inverted Phase Contrast
Unacceptable Side Effects
Confocal Microscopy
Huh7 Cells
1H NMR Spectroscopy
Component Of Chinese Medicine
Delivery Of Chloride
Anticancer Properties

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