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Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
Published on: February 7, 2021
Advances in self-assembled injectable hydrogels for cancer therapy
Sandeep Kumar1, Avinash Bajaj2
1Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad-121001, Haryana, India. bajaj@rcb.res.in and Manipal Academy of Higher Education, Manipal-576104, Karnataka, India.
Molecular hydrogels offer a promising localized drug delivery approach for cancer therapy, overcoming challenges of traditional chemotherapy and nanomaterial delivery systems. These advanced materials aim to improve biocompatibility and therapeutic potential while minimizing toxicity.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Cancer Therapy
Background:
- Chemotherapy faces challenges from non-specific toxicity and tumor resistance.
- Nanomaterial drug delivery systems show promise but have limitations like burst release and immunogenicity.
- Localized drug delivery is crucial for effective cancer treatment but faces hurdles such as poor biodegradability and sustained release.
Purpose of the Study:
- To review recent advancements in engineering low molecular weight hydrogels for cancer therapy.
- To summarize the development of molecular hydrogels focusing on biocompatibility and therapeutic potential.
- To highlight the challenges associated with current molecular hydrogel systems in cancer treatment.
Main Methods:
- Review of literature on low molecular weight hydrogels derived from amphiphilic scaffolds.
- Analysis of hydrogel properties including biocompatibility, drug entrapment, and release kinetics.
- Evaluation of therapeutic potential and limitations of molecular hydrogels in preclinical and clinical settings.
Main Results:
- Low molecular weight hydrogels derived from amino acid, fatty acyl, and steroidal lipid scaffolds show potential for localized cancer drug delivery.
- These hydrogels can potentially minimize systemic drug exposure and reduce associated toxicities.
- Challenges remain in achieving optimal biodegradability, immunogenicity profiles, and sustained drug release at the tumor site.
Conclusions:
- Molecular hydrogels represent a significant advancement in localized cancer therapy, addressing limitations of conventional treatments.
- Further research is needed to optimize their design for enhanced biocompatibility, efficacy, and controlled drug release.
- Continued development of these advanced materials holds promise for improving cancer patient outcomes.
