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Clathrin-mediated endocytic uptake of PUFA enriched self-nanoemulsifying lipidic systems (SNELS) of an anticancer drug against triple negative cancer and DMBA induced preclinical tumor model

  • Rajneet Kaur Khurana
  • , Rajendra Kumar
  • , Balan Louis Gaspar
  • , Gail Welsby
  • , Philip Welsby
  • , Prashant Kesharwani
  • , O P Katare
  • , Kamalinder K Singh
  • , Bhupinder Singh
  • Panjab University
  • Institute of Post Graduate Medical Education and Research Kolkatta
  • University of Central Lancashire
  • International Medical University

Research output: Contribution to journalArticle (journal)peer-review

Abstract

The current studies envisage unravelling the underlying cellular internalisation mechanism of the systematically developed docetaxel (DTH) polyunsaturated fatty acid (PUFA) enriched self-nanoemulsifying lipidic micellar systems (SNELS). The concentration-, time- and cytotoxicity-related effects of DTH-SNELS on triple negative breast cancer (TNBC) MDA-MB-231 and non-TNBC MCF-7 cell lines were assessed through Presto-blue assay. Subsequently, rhodamine-123 (Rh-123) loaded SNELS were employed for evaluating their internalisation through flow cytometry and fluorescence microscopy, establishing it to be "clathrin-mediated" endocytic pathway. Apoptosis assay (65% cell death) and cell cycle distribution (47% inhibition at G2/M phase) further corroborated the cytotoxicity of DTH-SNELS towards cancerous cells. Biodistribution, histopathology and haematology studies indicated insignificant toxicity of the optimized formulation on vital organs. Preclinical anticancer efficacy studies using 7,12-dimethylbenzantracene (DMBA)-induced model construed significant reduction in breast tumor-volume. Overall, extensive in vitro and in vivo studies indicated the intracellular localization and cytotoxicity, suggesting DTH-SNELS as promising delivery systems for breast tumor therapeutics including TNBC.

Original languageEnglish
Pages (from-to)645-658
Number of pages14
JournalMaterials Science and Engineering C
Volume91
Early online date4 May 2018
DOIs
Publication statusPublished - 1 Oct 2018

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • 9,10-Dimethyl-1,2-benzanthracene
  • ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
  • Animals
  • Antineoplastic Agents/pharmacology
  • Apoptosis/drug effects
  • Cell Cycle Checkpoints/drug effects
  • Cell Line, Tumor
  • Cell Proliferation/drug effects
  • Clathrin/metabolism
  • Docetaxel
  • Emulsions/chemistry
  • Endocytosis/drug effects
  • Fatty Acids, Unsaturated/metabolism
  • Female
  • Humans
  • Lipids/chemistry
  • Macrophages/drug effects
  • Mice
  • Nanoparticles/chemistry
  • Particle Size
  • RAW 264.7 Cells
  • Rats, Wistar
  • Static Electricity
  • Taxoids/pharmacology
  • Temperature
  • Time Factors
  • Triple Negative Breast Neoplasms/blood
  • Xenograft Model Antitumor Assays
  • Poly unsaturated fatty acid (PUFA)
  • Self-nanoemulsifying drug delivery systems
  • Clathrin mediated endocytosis
  • Breast cancer
  • Triple negative breast cancer (TNBC)
  • Apoptosis

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