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Related Concept Videos

Targeted Cancer Therapies02:57

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...
Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Targeted Cancer Therapies02:57

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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Related Experiment Video

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Compact Quantum Dots for Single-molecule Imaging
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Single-Molecule All-In-One (SMALL) Dendritic Dots for Precise Cancer Theranostics.

Yuji Sun1, Yihuan Zheng1, Zhehao Wang1

  • 1College of Chemical and Biological Engineering, Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Zhejiang Key Laboratory of Smart Biomaterials, Zhejiang University, Hangzhou, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|March 2, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed single-molecule all-in-one dendritic dots (DDs) for cancer theranostics. These multifunctional nanoparticles offer precise structure and customizable functions, showing potent antitumor activity in mice.

Keywords:
cancer drug deliveryenzyme‐responsive nanoparticlesfunctional dendrimersingle‐molecule nanomedicinetumor penetration

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Biomedical Engineering

Background:

  • Multifunctional nanoparticles are crucial for cancer theranostics.
  • Current approaches often face challenges with structural precision due to stochastic functionalization.
  • A single-component system is needed to overcome these limitations.

Purpose of the Study:

  • To develop a universal, modular, and scalable design for single-molecule all-in-one (SMALL) dendritic dots (DDs).
  • To create customizable theranostic platforms with well-defined functional architectures.
  • To address the challenge of achieving multifunctionality with structural precision.

Main Methods:

  • Dendrimer-based divergent synthesis using orthogonal protection, selective deprotection, and precise conjugation.
  • Synthesis of perylenediimide (PDI)-cored and camptothecin-loaded polylysine dendrimer-based SMALL DDs.
  • Characterization of DDs for structure, drug loading, particle size, fluorescence, and in vivo performance.

Main Results:

  • Successfully synthesized SMALL DDs with precise structure, tunable drug loading, and stable fluorescence.
  • Demonstrated long blood circulation, enhanced tumor accumulation, and enzyme-responsive drug release.
  • Achieved potent antitumor activity in mice with hepatocellular carcinoma.

Conclusions:

  • The SMALL DD strategy offers a solution to the multifunctionality-precision dilemma in nanoparticle design.
  • These dendritic dots integrate imaging probes, drugs, and targeting/responsive ligands into a single molecule.
  • SMALL DDs show significant promise for advancing cancer theranostics.