Abstract
Chemotherapy is the mainstay in the treatment of various cancers for several decades; however, it suffers several clinical limitations. For example, anticancer drugs are often nonselective and are taken up by all forms of cells. Non-selectivity of the agents usually results in significant toxicity to normal cells, thus resulting in poor prognosis for patients. Hence, to improve the therapeutic efficacy of chemotherapy, improving the selectivity of anticancer drug is highly desired. Prodrug conjugation is one of the most beneficial strategies to enhance selectivity and efficacy of a chemotherapy drug. The classical prodrug approach is to overcome physicochemical (e.g., solubility, chemical instability) or biopharmaceutical problems (e.g., bioavailability, toxicity) associated with common anticancer drugs via a simple chemical modification. On the other hand, here we discuss targeted prodrug systems for delivering anticancer agents specifically to tumor cells, thereby sparing normal cells. This chapter focuses on various synthetic strategies in designing targeted prodrug conjugates and its rationale for cancer treatment. Various tumor-targeting ligands that are currently being explored are critically discussed.
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Abbreviations
- ADCC:
-
Antibody-dependent cellular cytotoxicity
- ADEPT:
-
Antibody-directed enzyme prodrug therapy
- AuNP:
-
Gold nanoparticles
- BCR:
-
Breakpoint cluster region protein
- BTK:
-
Bruton’s tyrosine kinase
- CDK inhibitor:
-
Cyclin-dependent kinase inhibitors
- CLL:
-
Chronic lymphocytic leukemia
- CPT:
-
Camptothecin
- CTC:
-
Circulating tumor cells
- Dox:
-
Doxorubicin
- DTC:
-
Disseminated tumor cells
- EGFR:
-
Epidermal growth factor receptor
- EPR:
-
Enhanced permeability and retention
- ERK:
-
Extracellular signal-regulated kinases
- FISH:
-
Fluorescence in-situ hybridization
- FOL:
-
Folic acid
- FR:
-
Folate Receptor
- GDEPT:
-
Gene-directed enzyme prodrug therapy
- GnRH:
-
Gonadotropin-releasing hormone
- GRP78:
-
Glucose-regulated protein 78
- HCC:
-
Hepatocellular carcinoma
- HER2:
-
human epidermal growth factor 2
- HPLC:
-
High-performance liquid chromatography
- IGFR:
-
Insulin-like growth factor receptor
- KRAS:
-
Kirsten rat sarcoma
- LHRH:
-
Luteinizing hormone releasing hormone
- mAb:
-
Monoclonal antibodies
- MAPK:
-
Mitogen-activated protein kinases
- MCL:
-
Mantle cell lymphoma
- mCRC:
-
Metastatic colorectal cancer
- MDNS:
-
Magneto-Dendritic Nano System
- MDR:
-
Multiple-drug resistance
- mRNA:
-
Messenger ribonucleic acid
- mTOR:
-
Mammalian target of rapamycin
- NSCLC:
-
Non-small-cell lung cancer
- PCR:
-
Polymerase chain reaction
- PDGFRβ:
-
Platelet-derived growth factor receptor
- PI3K:
-
Phosphatidylinositol 3-kinase
- PIGF:
-
Placental growth factor
- RCC:
-
Renal cell carcinoma
- RET:
-
Rearranged during transfection
- RGD:
-
Arginine-glycine-aspartic acid
- SCCHN:
-
Squamous cell carcinoma of the head and neck
- scFv:
-
Single chain variable fragment
- siRNA:
-
Small interfering RNA
- Tf:
-
Transferrin
- Tf-PEG-AD:
-
Transferrin-conjugated poly (ethylene glycol)-adamantane
- TfR:
-
Transferrin receptor
- TPGS:
-
D-α-Tocopheryl polyethylene glycol succinate
- US FDA:
-
United States Food and Drug administration
- VEGF:
-
Vascular endothelial growth factor
- VEGFR:
-
Vascular endothelial growth factor receptor
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Banerjee, S., Todkar, K., Chate, G., Khandare, J. (2015). Prodrug Conjugate Strategies in Targeted Anticancer Drug Delivery Systems. In: Devarajan, P., Jain, S. (eds) Targeted Drug Delivery : Concepts and Design. Advances in Delivery Science and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-11355-5_11
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