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P435 Her2/Neu-Derived Peptide Conjugated to Liposomes Containing Dope As an Effective Prophylactic Vaccine Formulation for Breast Cancer Publisher Pubmed



Farzad N1, 3 ; Barati N1, 2, 3 ; Momtaziborojeni AA4 ; Yazdani M1 ; Arab A1, 2, 3 ; Razazan A5 ; Shariat S1 ; Mansourian M1, 3 ; Abbasi A1 ; Saberi Z1 ; Badiee A1, 2, 3 ; Jalali SA6 ; Jaafari MR1, 2, 3
Authors
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Authors Affiliations
  1. 1. Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
  2. 2. Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
  3. 3. Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Science, Mashhad, Iran
  4. 4. Nanotechnology Research Center, Department of Medical Biotechnology, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  5. 5. Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Artificial Cells# Nanomedicine and Biotechnology Published:2019


Abstract

The present study was aimed to develop an effective nanoliposomal vaccine delivery system with P435 HER2/neu-derived peptide conjugated to Maleimide-PEG2000-DSPE. The nanoliposome formulation composed of DSPC/DSPG/Chol/DOPE and monophosphoryl lipid A was used as an adjuvant. Liposomal formulations were prepared and their physical properties were characterized. Anti-tumoral efficacy of formulations was evaluated by immunization of tumor-bearing BALB/c mice and the generated immune response was studied by using ELISpot and flow cytometry analysis. The results of the study demonstrated Lip + DOPE + P535 formulation caused the lowest tumor size and the longest survival time in TUBO mice model and could make it a promising candidate in developing effective vaccines against HER2-positive breast cancers. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
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