Journal
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
Volume 46, Issue -, Pages 147-157Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.etap.2016.07.006
Keywords
Chlorophyllin; Poly (lactic-co-glycolic) acid; A549 cells; Mice; Mitochondrial signaling; Anti-cancer efficacy
Funding
- DST nanoscience and technology
- UGC-Resource Networking
- DST-PURSE
- UGC
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Chlorophyllin (CHL), a sodium-copper-salt derived from chlorophyll, has been widely used as a food dye, also reportedly having some anti-cancer effect. We tested if PLGA-loaded CHL (NCHL) could have additional protective abilities through its faster and targeted drug delivery in cancer cells. Physicochemical characterization of NCHL was done through atomic-force microscopy and UV-spectroscopy. NCHL demonstrated greater ability of drug uptake and strong anti-cancer potentials in non-small cell lung cancer cells, A549, as revealed from data of% cell viability, generation of reactive-oxygen-species and expression of box, bcl2, caspase3, p53 and cytochrome c proteins. Circular dichroic spectral data indicated strong binding of NCHL with calf-thymus-DNA, causing a conformational/structural change in DNA. Further, NCHL could cross the blood-brain-barrier in mice and showed greater efficacy in recovery process of tissue damage, reduction in chromosomal aberrations and% of micronuclei in co-mutagens (Sodiumarsenite + Benzo[a]Pyrene)-treated mice at a much reduced dose, indicating its use in therapeutic oncology. (C) 2016 Elsevier B.V. All rights reserved.
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