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Targeted Cancer Therapies

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...

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Fe₃O₄@β-cyclodextrin Nanosystem: A Promising Adjuvant Approach in Cancer Treatment.

Claudia Geanina Watz^1,2,3, Ciprian-Valentin Mihali^4,5, Camelia Oprean^2,6,7

¹Department of Pharmaceutical Physics, Faculty of Pharmacy, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.

Nanomaterials (Basel, Switzerland)

|August 13, 2025

Summary

This study developed a novel magnetite (Fe3O4) and beta-cyclodextrin (β-CD) nanosystem for melanoma treatment. The Fe3O4@β-CD nanosystem shows promise for selective cancer therapy and drug co-loading.

Keywords:

A375 Fe3O4@β-CD HaCaT adjuvant cancer therapy

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Area of Science:

Biomaterials Science
Nanotechnology
Oncology

Background:

Melanoma incidence and poor prognosis necessitate innovative therapeutic strategies.
Magnetite nanoparticles (Fe3O4 NPs) offer potential for targeted cancer treatment.
Beta-cyclodextrin (β-CD) coating can enhance nanoparticle properties and drug delivery.

Purpose of the Study:

To develop and characterize an aqueous suspension of Fe3O4 NPs coated with β-CD (Fe3O4@β-CD) for melanoma therapy.
To evaluate the physicochemical properties and biological impact of the Fe3O4@β-CD nanosystem.
To assess the nanosystem's biocompatibility and selective antiproliferative activity against melanoma cells.

Main Methods:

Synthesis and characterization of Fe3O4@β-CD nanosystem.
Physicochemical analysis including size and complexation confirmation.
In vitro studies using human keratinocyte (HaCaT) and amelanotic human melanoma (A375) cell lines.
Assessment of biocompatibility and antiproliferative effects at various concentrations and time points.

Main Results:

The Fe3O4@β-CD nanosystem demonstrated suitable physicochemical characteristics for biological applications.
Successful complexation of Fe3O4 NPs with β-CD was confirmed, with an average size of 18.1 ± 2.1 nm.
The nanosystem exhibited high biocompatibility with HaCaT cells.
Selective antiproliferative activity against A375 melanoma cells was observed, inducing apoptosis.

Conclusions:

The Fe3O4@β-CD nanosystem shows significant potential as an innovative approach for melanoma treatment.
The β-CD coating facilitates potential co-loading of therapeutic drugs.
The magnetic core of Fe3O4 NPs supports magnetically-based cancer treatment strategies.