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Related Concept Videos

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols11:31

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols

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The cell membrane modification of red blood cells (RBCs) with hyperbranched polyglycerol (HPG) is presented. Modified RBCs were characterized by aqueous two phase partitioning, osmotic fragility and complement mediated lysis. The camouflage of surface proteins and antigens was evaluated using the flow cytometry and Micro Typing System (MTS) blood phenotyping...
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Related Experiment Video

Updated: Jan 20, 2026

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols
11:31

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols

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Red Blood Cell Membrane Processing for Biomedical Applications.

Luigia Rossi1,2, Alessandra Fraternale1, Marzia Bianchi1

  • 1Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.

Frontiers in Physiology
|September 5, 2019
PubMed
Summary

Red blood cells (RBCs) are engineered as novel drug delivery systems, leveraging their long lifespan and targeting capabilities for advanced therapies. These modified RBCs offer promising cellular therapeutic applications, with several already in clinical trials.

Keywords:
RBC carriersRBC circulationRBC membrane modificationsRBC targetingdrug targeting

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Last Updated: Jan 20, 2026

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols
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Area of Science:

  • Biomedical Engineering
  • Hematology
  • Drug Delivery Systems

Background:

  • Red blood cells (RBCs) possess unique properties like long in vivo survival and non-random clearance, making them suitable for drug delivery.
  • Native or drug-loaded RBCs can be modified to enhance targeting and therapeutic efficacy.

Purpose of the Study:

  • To explore the potential of red blood cells as innovative drug delivery systems and cellular therapeutics.
  • To review methods for modifying RBCs for targeted delivery and therapeutic applications.

Main Methods:

  • Membrane modification of RBCs using crosslinking agents, bifunctional antibodies, biotinylation, and membrane insertion.
  • Ex vivo genetic engineering of erythroid precursors with lentiviral vectors to express functional membrane proteins.

Main Results:

  • Modified RBCs can be targeted to specific cells or organs, induce immune responses, deliver therapeutic antibodies, and recognize pathogens or toxins.
  • Engineered RBCs demonstrate potential for diverse biomedical applications, with some advancing to clinical trials.

Conclusions:

  • Red blood cells offer versatile and promising platforms for drug delivery and cellular therapeutics.
  • Ongoing research and clinical advancements highlight the expanding potential of RBC-based therapies.