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Glucose conjugation for the specific targeting and treatment of cancer
Emilia C Calvaresi1, Paul J Hergenrother
1Department of Biochemistry, University of Illinois, Urbana, IL 61801.
Abstract:
Cancers of diverse origins exhibit marked glucose avidity and high rates of aerobic glycolysis. Increased understanding of this dysfunctional metabolism known as the Warburg effect has led to an interest in targeting it for cancer therapy. One promising strategy for such targeting is glycoconjugation, the linking of a drug to glucose or another sugar. This review summarizes the most salient examples of glycoconjugates, in which known cytotoxins or targeted anticancer therapeutics have been linked to glucose (or another glucose transporter substrate sugar) for improved cancer targeting and selectivity. Building on these examples, this review also provides a series of guidelines for the design and mechanistic evaluation of future glycoconjugates.
Insights
Cancer cells consume excessive glucose via the Warburg effect. Glycoconjugation links drugs to sugars, enhancing targeted cancer therapy delivery and selectivity for improved treatment outcomes.
Area of Science:
- Biochemistry
- Oncology
- Pharmacology
Background:
- Cancers exhibit high glucose uptake and aerobic glycolysis (Warburg effect).
- Targeting cancer's dysfunctional metabolism is a key therapeutic strategy.
- Glycoconjugation offers a promising approach for selective drug delivery.
Purpose of the Study:
- To review glycoconjugates for targeted cancer therapy.
- To summarize examples of drugs linked to glucose or sugar substrates.
- To provide guidelines for future glycoconjugate design and evaluation.
Main Methods:
- Literature review of existing glycoconjugate research.
- Analysis of therapeutic strategies involving drug-sugar conjugates.
- Synthesis of design principles for novel glycoconjugates.
Main Results:
- Glycoconjugates demonstrate potential for enhanced cancer targeting.
- Linking cytotoxins or therapeutics to glucose improves selectivity.
- Various examples showcase successful drug-sugar conjugation strategies.
Conclusions:
- Glycoconjugates represent a viable strategy for Warburg effect-targeted cancer therapy.
- Careful design and mechanistic evaluation are crucial for optimizing glycoconjugate efficacy.
- This approach holds promise for developing more selective and effective anticancer treatments.
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