Cited by 220Hydrogels: synthesis, properties, applicationsCancer Immunotherapy and BiomarkersNanoplatforms for cancer theranostics

A Dual‐Bioresponsive Drug‐Delivery Depot for Combination of Epigenetic Modulation and Immune Checkpoint Blockade

Ruan, Huitong, Hu, Quanyin, Wen, Di, Chen, Qian, Chen, Guojun, Lu, Yifei, Wang, Jinqiang, Cheng, Hao +2 more·2019·Advanced Materials

Abstract

Patients with advanced melanoma that is of low tumor‐associated antigen (TAA) expression often respond poorly to PD‐1/PD‐L1 blockade therapy. Epigenetic modulators, such as hypomethylation agents (HMAs), can enhance the antitumor immune response by inducing TAA expression. Here, a dual bioresponsive gel depot that can respond to the acidic pH and reactive oxygen species (ROS) within the tumor microenvironment (TME) for codelivery of anti‐PD1 antibody (aPD1) and Zebularine (Zeb), an HMA, is engineered. aPD1 is first loaded into pH‐sensitive calcium carbonate nanoparticles (CaCO 3 NPs), which are then encapsulated in the ROS‐responsive hydrogel together with Zeb (Zeb‐aPD1‐NPs‐Gel). It is demonstrated that this combination therapy increases the immunogenicity of cancer cells, and also plays roles in reversing immunosuppressive TME, which contributes to inhibiting the tumor growth and prolonging the survival time of B16F10‐melanoma‐bearing mice.

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Crossref · 10.1002/adma.201806957

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  • Accumulating evidence indicates that chemotherapy, radiotherapy, angiogenesis inhibitor, STING agonist, FMT, epigenetic modulators, or other immunomodulators could synergize α-PD-1/PD-L1, by enhancing cancer antigen release, APC function, or effector activity.

    “Accumulating evidence indicates that chemotherapy, radiotherapy, angiogenesis inhibitor, stimulator of interferon genes (STING) agonist, fecal microbiota transplantation (FMT), epigenetic modulators, or other immunomodulators could synergize α-PD-1/PD-L1, by enhancing cancer antigen release, APC function, or effector activity [22–31].”

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Authors
Ruan, H., Hu, Q., Wen, D., Chen, Q., Chen, G., Lu, Y., Wang, J., Cheng, H., Lu, W., & Gu, Z.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • Department of Bioengineering University of California Los Angeles CA 90095 USA
  • Drexel University (US)
  • Fudan University (CN)
Corresponding author
  • Lu, Weiyue
  • Gu, Zhen
Venue
Advanced Materials
Publisher
Wiley
Published
2019-03-11
Volume
31
Issue
17
Pages
e1806957-e1806957
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W2922000375
Cited by
220
References
55
Citations by year
2026: 8 · 2025: 15 · 2024: 31 · 2023: 32 · 2022: 40 · 2021: 38 · 2020: 39 · 2019: 17
FWCI
11.57
Type
journal article
Language
en
Open access
closed
Locations
  • Advanced Materials (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of North Carolina at Chapel Hill
  • Alfred P. Sloan Foundation
  • National Natural Science Foundation of China (81690263)
  • China Scholarship Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
Keywords
advanced melanoma, epigenetic modulation, zebularine, PD-1/PD-L1 blockade, anti-PD-1, ROS-responsive hydrogel, tumor microenvironment, tumor-associated antigen expression, immunosuppressive tumor microenvironment, combination immunotherapy, B16F10 melanoma
MeSH terms
Animals, Antibodies, Monoclonal, Antineoplastic Agents, Calcium Carbonate, Cytidine, Drug Therapy, Combination, Humans, Hydrogen-Ion Concentration, Immunosuppressive Agents, Immunotherapy, Melanoma, Drug Delivery Systems, Reactive Oxygen Species, Cell Line, Tumor, Nanoparticles, Tumor Microenvironment, Programmed Cell Death 1 Receptor, Antibodies, Monoclonal, Humanized, Drug Liberation

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