Encapsulation of Inositol Hexakisphosphate with Chitosan via Gelation to Facilitate Cellular Delivery and Programmed Cell Death in Human Breast Cancer Cells

Inositol hexakisphosphate (InsP ) is the most abundant inositol polyphosphate both in plant and animal cells. Exogenous InsP is known to inhibit cell proliferation and induce apoptosis in cancerous cells. However, cellular entry of exogenous InsP is hindered due to the presence of highly negative ch...

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Published in:	Bioengineering (Basel) Vol. 11; no. 9; p. 931
Main Authors:	Kadhim, Ilham H, Oluremi, Adeolu S, Chhetri, Bijay P, Ghosh, Anindya, Ali, Nawab
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 17-09-2024 MDPI
Subjects:	Antineoplastic drugs Apoptosis Atomic absorption spectrophotometry Biochemistry Breast cancer Cancer Cancer cells Cancer therapies Care and treatment Cell death Cell growth Cell proliferation Chemotherapy Chitosan cytotoxicity Development and progression Electrophoresis Encapsulation Ethylenediaminetetraacetic acid Fourier transforms Gelation Health aspects Homeostasis Infrared analysis Infrared spectroscopy Inositol Inositol polyphosphate inositol polyphosphates Inositols Nanomaterials Pharmacology Phosphates Phosphorylation Plant cells Plant layout Polyacrylamide Polysaccharides Reactive oxygen species Scanning electron microscopy Spectrophotometry Therapeutic applications Toxicity United States > US chitosan encapsulation inositol polyphosphates reactive oxygen species apoptosis breast cancer cytotoxicity
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Summary:	Inositol hexakisphosphate (InsP ) is the most abundant inositol polyphosphate both in plant and animal cells. Exogenous InsP is known to inhibit cell proliferation and induce apoptosis in cancerous cells. However, cellular entry of exogenous InsP is hindered due to the presence of highly negative charge on this molecule. Therefore, to enhance the cellular delivery of InsP in cancerous cells, InsP was encapsulated by chitosan (CS), a natural polysaccharide, via the ionic gelation method. Our hypothesis is that encapsulated InsP will enter the cell more efficiently to trigger its apoptotic effects. The incorporation of InsP into CS was optimized by varying the ratios of the two and confirmed by InsP analysis via polyacrylamide gel electrophoresis (PAGE) and atomic absorption spectrophotometry (AAS). The complex was further characterized by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) for physicochemical changes. The data indicated morphological changes and changes in the spectral properties of the complex upon encapsulation. The encapsulated InsP enters human breast cancer MCF-7 cells more efficiently than free InsP and triggers apoptosis via a mechanism involving the production of reactive oxygen species (ROS). This work has potential for developing cancer therapeutic applications utilizing natural compounds that are likely to overcome the severe toxic effects associated with synthetic chemotherapeutic drugs.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2306-5354 2306-5354
DOI:	10.3390/bioengineering11090931