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Related Experiment Videos

Stability of erythrocyte ghosts: a gamma-ray perturbed angular correlation study.

C A Kruse, G W Tin, J D Baldeschwieler

    Proceedings of the National Academy of Sciences of the United States of America
    |March 1, 1983
    PubMed
    Summary

    Erythrocyte ghosts, used as drug carriers, maintain structural integrity and effectively deliver encapsulated substances to organs like the lungs, liver, and spleen.

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    Histology and histopathology·2003

    Area of Science:

    • Biomedical Engineering
    • Materials Science
    • Pharmacology

    Background:

    • Erythrocyte ghosts are investigated as potential drug delivery vehicles.
    • Their structural integrity and in vivo behavior are crucial for effective drug delivery.

    Purpose of the Study:

    • To assess the structural integrity of erythrocyte ghosts using advanced techniques.
    • To evaluate the in vivo distribution and targeting capabilities of these ghosts.

    Main Methods:

    • Gamma-ray perturbed angular correlation (PAC) techniques were employed to study ghost integrity.
    • In vitro leakage assays with labeled markers (111In3+-nitrilotriacetate and 125I-bovine serum albumin) were performed.
    • In vivo tissue distribution studies in mice were conducted after intravenous injection.

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    Main Results:

    • PAC and conventional leakage methods yielded equivalent results for ghost integrity.
    • In vivo studies showed strong association between ghost membrane and contents.
    • High initial delivery of encapsulated substances to the lung, liver, and spleen was observed.

    Conclusions:

    • Erythrocyte ghosts demonstrate robust structural integrity and effective in vivo targeting.
    • Their ability to entrap and deliver diverse substances makes them promising drug carriers.
    • Ghosts offer a potential alternative to conventional drug therapy for specific disorders.