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Package delivered: folate receptor-mediated transporters in cancer therapy and diagnosis
Mohsen Ahmadi1, Christoph A Ritter2, Thomas von Woedtke1,3
1Leibniz Institute for Plasma Science and Technology (INP), Center for Innovation Competence (ZIK) Plasmatis Felix Hausdorff-Str. 2 17489 Greifswald Germany mohsen.ahmadi@inp-greifswald.de kristian.wende@inp-greifswald.de.
Abstract:
Neoplasias pose a significant threat to aging society, underscoring the urgent need to overcome the limitations of traditional chemotherapy through pioneering strategies. Targeted drug delivery is an evolving frontier in cancer therapy, aiming to enhance treatment efficacy while mitigating undesirable side effects. One promising avenue utilizes cell membrane receptors like the folate receptor to guide drug transporters precisely to malignant cells. Based on the cellular folate receptor as a cancer cell hallmark, targeted nanocarriers and small molecule-drug conjugates have been developed that comprise different (bio) chemistries and/or mechanical properties with individual advantages and challenges. Such modern folic acid-conjugated stimuli-responsive drug transporters provide systemic drug delivery and controlled release, enabling reduced dosages, circumvention of drug resistance, and diminished adverse effects. Since the drug transporters' structure-based de novo design is increasingly relevant for precision cancer remediation and diagnosis, this review seeks to collect and debate the recent approaches to deliver therapeutics or diagnostics based on folic acid conjugated Trojan Horses and to facilitate the understanding of the relevant chemistry and biochemical pathways. Focusing exemplarily on brain and breast cancer, recent advances spanning 2017 to 2023 in conjugated nanocarriers and small molecule drug conjugates were considered, evaluating the chemical and biological aspects in order to improve accessibility to the field and to bridge chemical and biomedical points of view ultimately guiding future research in FR-targeted cancer therapy and diagnosis.
Insights
Targeted cancer therapy uses folic acid-conjugated drug transporters to precisely deliver treatments to malignant cells. This approach enhances efficacy, reduces side effects, and overcomes drug resistance in conditions like brain and breast cancer.
Area of Science:
- Oncology
- Nanotechnology
- Drug Delivery
Background:
- Neoplasias present a significant challenge to aging populations, necessitating advanced cancer treatment strategies beyond traditional chemotherapy.
- Targeted drug delivery aims to improve therapeutic efficacy and minimize adverse effects by directing treatments to cancer cells.
- The folate receptor (FR) is a cell membrane receptor often overexpressed on malignant cells, making it a promising target for cancer therapy.
Purpose of the Study:
- To review and discuss recent advancements (2017-2023) in folic acid-conjugated drug delivery systems for cancer therapy and diagnosis.
- To explore the chemistry and biochemical pathways involved in FR-targeted nanocarriers and small molecule-drug conjugates.
- To bridge chemical and biomedical perspectives for future research in FR-targeted precision cancer remediation.
Main Methods:
- Literature review focusing on studies published between 2017 and 2023.
- Analysis of chemical and biological aspects of folic acid-conjugated nanocarriers and small molecule-drug conjugates.
- Exemplary focus on brain and breast cancer applications.
Main Results:
- Folic acid-conjugated drug transporters, including nanocarriers and small molecule-drug conjugates, offer targeted delivery and controlled release of therapeutics.
- These systems demonstrate potential for reduced dosages, circumvention of drug resistance, and diminished systemic toxicity.
- Recent developments highlight the structure-based design of these drug transporters for precision cancer treatment and diagnosis.
Conclusions:
- Folic acid-targeted drug delivery represents a promising strategy for enhancing cancer therapy efficacy and patient outcomes.
- The integration of advanced chemistry and biology in designing these systems is crucial for overcoming current treatment limitations.
- Continued research in FR-targeted therapeutics and diagnostics holds significant potential for personalized cancer remediation.
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