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Encapsulation of Cancer Therapeutic Agent Dacarbazine Using Nanostructured Lipid Carrier

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Published on: April 26, 2016

Scutellarin-cyclodextrin conjugates: synthesis, characterization and anticancer activity.

Bo Yang¹, Yu-Lin Zhao, Xia Yang

¹Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China. yangbo6910@sina.com

Carbohydrate Polymers

|February 13, 2013

Summary

This summary is machine-generated.

New scutellarin-cyclodextrin (SCU-CD) conjugates show enhanced aqueous solubility and stability. These improved scutellarin derivatives exhibit superior antitumor activity against human colon cancer cell lines, offering potential for chemotherapy.

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Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay

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Published on: February 9, 2021

Area of Science:

Medicinal Chemistry
Nanotechnology
Oncology

Background:

Scutellarin, a natural flavonoid, possesses anticancer properties but suffers from poor aqueous solubility and stability.
Developing effective drug delivery systems is crucial for enhancing the therapeutic efficacy of poorly soluble compounds like scutellarin.
Cyclodextrins are widely used as host molecules to improve the physicochemical properties of drugs.

Purpose of the Study:

To synthesize and characterize novel scutellarin-cyclodextrin (SCU-CD) conjugates.
To evaluate the aqueous solubility, stability, and in vitro cytotoxicity of the prepared SCU-CD conjugates.
To assess the potential of SCU-CD conjugates as a therapeutic agent for human colon cancer.

Main Methods:

Synthesis of SCU-CD conjugates via covalent linkage of scutellarin to beta-cyclodextrin.
Structural elucidation using Nuclear Magnetic Resonance (NMR) and Mass Spectrometry (MS).
Physicochemical characterization by X-ray Diffraction (XRD) and Thermogravimetric Analysis (TG).
In vitro cytotoxicity assays on human colon cancer cell lines (HT-29, SW480, Lovo, HTC116).

Main Results:

SCU-CD conjugates exhibited significantly enhanced aqueous solubility compared to native scutellarin.
The conjugates demonstrated high stability in aqueous solutions, with minimal hydrolysis to scutellarin.
SCU-CD conjugates displayed improved antitumor activity against colon cancer cell lines than scutellarin.
XRD and TG analyses confirmed the formation and stability of the conjugates.

Conclusions:

SCU-CD conjugates offer a promising approach to overcome the limitations of scutellarin.
The enhanced solubility, stability, and potent antitumor activity make SCU-CD conjugates suitable for colon cancer chemotherapy.
Further in vivo studies are warranted to explore the therapeutic potential of these novel conjugates.