2. Academic Validation
  3. pH protective Y1 receptor ligand functionalized antiphagocytosis BPLP-WPU micelles for enhanced tumor imaging and therapy with prolonged survival time

pH protective Y1 receptor ligand functionalized antiphagocytosis BPLP-WPU micelles for enhanced tumor imaging and therapy with prolonged survival time

  • Biomaterials. 2018 Jul;170:70-81. doi: 10.1016/j.biomaterials.2018.04.002.
Zhenqi Jiang 1,  Yuchen Tian 2,  Dingying Shan 3,  Yinjie Wang 1,  Ethan Gerhard 3,  Jianbi Xia 4,  Rong Huang 4,  Yan He 5,  Aiguo Li 5,  Jianchao Tang 6,  Huimin Ruan 1,  Yong Li 2,  Juan Li 7,  Jian Yang 3,  Aiguo Wu 8
Affiliations

Affiliations

  • 1 CAS Key Laboratory of Magnetic Materials and Devices, Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Division of Functional Materials and Nanodevices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; University of Chinese Academy of Sciences, Beijing 100049, China.
  • 2 CAS Key Laboratory of Magnetic Materials and Devices, Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Division of Functional Materials and Nanodevices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
  • 3 Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
  • 4 Department of Radiology, Department of Pathology, Ningbo No.2 Hospital, Ningbo 315010, China.
  • 5 Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China.
  • 6 National Centre for Protein Science-Shanghai, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 201210, China.
  • 7 CAS Key Laboratory of Magnetic Materials and Devices, Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Division of Functional Materials and Nanodevices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China. Electronic address: lij@nimte.ac.cn.
  • 8 CAS Key Laboratory of Magnetic Materials and Devices, Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Division of Functional Materials and Nanodevices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China. Electronic address: aiguo@nimte.ac.cn.
PMID: 29653288 DOI: 10.1016/j.biomaterials.2018.04.002
Abstract

Nanoparticle-based tumor therapies are extensively studied; however, few are capable of improving patient survival time due to premature drug leakage, off target effects, and poor tissue penetration. Previously, we successfully synthesized a novel family of Y1 receptor (Y1R) ligand modified, photoluminescent BPLP nanobubbles and nanoparticles for targeted breast Cancer ultrasound imaging; however, increased accumulation could also be observed in the liver, kidney, and spleen, suggesting significant interaction of the particles with macrophages in vivo. Herein, for the first time, we imparted antiphagocytosis capability to Y1R ligand functionalized BPLP-WPU polymeric micelles through the incorporation of a CD47 human glycoprotein based self-peptide. Application of self-peptide modified, DOX loaded micelles in vivo resulted in a 100% survival rate and complete tumor necrosis over 100 days of treatment. In vivo imaging of SPION loaded, self-peptide modified micelles revealed effective targeting to the tumor site while analysis of iron content demonstrated reduced particle accumulation in the liver and kidney, demonstrating reduced macrophage interaction, as well as a 2-fold increase of particles in the tumor. As these results demonstrate, Y1R ligand, self-peptide modified BPLP-WPU micelles are capable of target specific Cancer treatment and imaging, making them ideal candidates to improve survival rate and tumor reduction clinically.

Keywords

Antiphagocytosis; BPLP-WPU; Tumor imaging and therapy; Y(1) receptor ligand; pH responsiveness.

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