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Cyanosomes: A pilot study.

Ananya Singh1, Farhan Ahmad2, Priti Bajpai1

  • 1Department of Biosciences, Integral University, India.

Chemistry and Physics of Lipids
|January 21, 2019
PubMed
Summary

Cyanobacteria lipids were used to create cyanosomes, novel drug carriers. These cyanosomes effectively delivered thymoquinone, showing promise for treating liver injury in mice.

Keywords:
Carbon tetrachlorideCyanobacteriaCyanosomeLiposomeThymoquinone

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Area of Science:

  • Biotechnology
  • Drug Delivery Systems
  • Lipid Nanoparticles

Background:

  • Cyanobacteria are primitive, oxygen-evolving prokaryotes with extensively studied lipids.
  • Liposomal vesicles derived from cyanobacterial lipids have not been previously formulated or evaluated.
  • Natural lipids offer potential for novel drug delivery systems.

Purpose of the Study:

  • To formulate and characterize cyanosomes using lipids from Synechococcus elongatus PCC7942.
  • To load thymoquinone into these cyanosomes and evaluate its drug release profile.
  • To assess the efficacy of thymoquinone-loaded cyanosomes in a CCl4-induced liver injury model.

Main Methods:

  • Extraction of natural lipids from Synechococcus elongatus PCC7942.
  • Formulation of cyanosomes and loading with thymoquinone.
  • Characterization of cyanosome particle size, charge, and entrapment efficiency.
  • In vitro drug release studies.
  • In vivo evaluation of cyanosomes in a mouse model of liver injury.

Main Results:

  • Cyanosomes were successfully formulated with a particle size of 200-210 nm and 70.9% entrapment efficacy.
  • A sustained drug release pattern was observed for thymoquinone from the cyanosomes.
  • Encapsulated thymoquinone demonstrated superior efficacy compared to free thymoquinone in protecting against liver injury.

Conclusions:

  • Cyanosomes derived from cyanobacterial lipids are a viable and promising drug carrier system.
  • Thymoquinone-loaded cyanosomes show enhanced therapeutic potential for liver protection.
  • Further research is needed to determine the safety, pharmacokinetic, and biodistribution profiles for clinical applications.