In Vitro Cytotoxicity Evaluation of Oxytetracycline Loaded Cockle Shell Derived Calcium Carbonate Aragonite Nanoparticles

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Author(s): Sherifat Banke Idris, Abdul Kadir Arifah*, Faez Firdaus Abdullah Jesse, Siti Zubaidah Ramanoon, Muhammad Abdul Basit, Md Zuki Abu Bakar Zakaria.

Journal Name: Nanoscience & Nanotechnology-Asia

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Background: Evaluation of the toxic effects of nanoparticle-drug in vitro is an important step in the design of new pharmaceutical formulations. Rapid results, reduced cost and easy handling makes cell culture models first line in initial toxicological assessment of nanodrug preparations.

Objective: To evaluate the in vitro cytotoxicity of oxytetracycline loaded calcium carbonate aragonite nanoparticle in normal mouse fibroblast (NIH3T3) cell line.

Method: NIH3T3 cells were exposed to varying concentrations (6.25 - 100µg/mL) of calcium carbonate aragonite nanoparticle (CS-CaCO3NP), oxytetracycline loaded calcium carbonate aragonite nanoparticle (OTC-CS-CaCO3NP) and oxytetracycline (OTC) in 96 well plates for 24, 48 and 72 hours. Cell viability was determined by MTT and trypan blue assays.

Result: Both assays show that CS-CaCO3NP and OTC-CS-CaCO3NP had higher cell viability values compared to OTC.

Conclusion: Encapsulating OTC into CS-CaCO3NP reduced its cytotoxicity to NIH3T3 cells using both MTT and trypan blue assay.

Keywords: Normal mouse fibroblast, cytotoxicity, MTT, trypan blue assay, oxytetracycline

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Article Details

(E-pub Ahead of Print)
DOI: 10.2174/2210681210999200420083144
Price: $95