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    Co-delivery of a RanGTP inhibitory peptide and doxorubicin using dual loaded liposomal carriers to combat chemotherapeutic resistance in breast cancer cells

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    haggag_et_al_2020.pdf (495.6Kb)
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    Publication date
    2020-11
    Author
    Haggag, Y.
    Abu Ras, Bayan
    El-Tanani, Yahia
    Tambuwala, M.M.
    McCarron, P.
    Isreb, Mohammad
    El-Tanani, Mohamed
    Keyword
    Doxorubicin
    Ran-inhibitory peptide
    Drug delivery
    Liposome
    Formulation
    Optimisation
    Breast cancer
    Rights
    © 2020 Taylor & Francis. This is an Author's Original Manuscript of an article published by Taylor & Francis in Expert Opinion on Drug Delivery on 15 Sep 2020 available online at https://doi.org/10.1080/17425247.2020.1813714.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    Multidrug resistance (MDR) limits the beneficial outcomes of conventional breast cancer chemotherapy. Ras-related nuclear protein (Ran-GTP) plays a key role in these resistance mechanisms, assisting cancer cells to repair damage to DNA. Herein, we investigate the co-delivery of Ran-RCC1 inhibitory peptide (RAN-IP) and doxorubicin (DOX) to breast cancer cells using liposomal nanocarriers. A liposomal delivery system, co-encapsulating DOX, and RAN-IP, was prepared using a thin-film rehydration technique. Dual-loaded liposomes were optimized by systematic modification of formulation variables. Real-Time-Polymerase Chain Reaction was used to determine Ran-GTP mRNA expression. In vitro cell lines were used to evaluate the effect of loaded liposomes on the viability of breast and lung cancer cell lines. In vivo testing was performed on a murine Solid Ehrlich Carcinoma model. RAN-IP reversed the Ran-expression-mediated MDR by inhibiting the Ran DNA damage repair function. Co-administration of RAN-IP enhanced sensitivity of DOX in breast cancer cell lines. Finally, liposome-mediated co-delivery with RAN-IP improved the anti-tumor effect of DOX in tumor-bearing mice when compared to single therapy. This study is the first to show the simultaneous delivery of RAN-IP and DOX using liposomes can be synergistic with DOX and lead to tumor regression in vitro and in vivo.
    URI
    http://hdl.handle.net/10454/18020
    Version
    Accepted manuscript
    Citation
    Haggag Y, Abu Ras B, El-Tanani Y et al (2020) Co-delivery of a RanGTP inhibitory peptide and doxorubicin using dual loaded liposomal carriers to combat chemotherapeutic resistance in breast cancer cells. Expert Opinion on Drug Delivery. 17(11): 1655-1669.
    Link to publisher’s version
    https://doi.org/10.1080/17425247.2020.1813714
    Type
    Article
    Collections
    Life Sciences Publications

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