Nuclear-Targeting Peptides for Cancer Therapy.

Area of Science:

• Cell Biology
• Drug Delivery
• Oncology

Background:

• The nucleus is a critical cell regulator, making nuclear targeting essential for effective precision medicine, particularly in anti-tumor therapies.
• Cell and nuclear membranes present significant barriers to therapeutic agent delivery, necessitating advanced drug delivery strategies.
• Nuclear-targeting peptides are functional peptides that can penetrate these barriers and direct payloads to the nucleus.

Purpose of the Study:

• To review recent advancements in nuclear-targeting peptide strategies for anti-tumor therapy.
• To highlight the mechanisms by which nuclear-targeting peptides facilitate drug delivery to the nucleus.
• To underscore the importance of developing effective nuclear-targeting approaches for improved cancer treatment outcomes.

Main Methods:

• Review of recent scientific literature on nuclear-targeting peptides and their application in anti-tumor therapy.
• Analysis of the molecular mechanisms involving nuclear transport molecules (e.g., Importin-α/β) and nuclear pore complexes (NPCs).
• Summarization of strategies utilizing nuclear-targeting peptides for drug delivery.

Main Results:

• Nuclear-targeting peptides effectively bypass cellular barriers to reach the nucleus.
• These peptides leverage cellular transport machinery, including Importin-α/β and NPCs, for nuclear translocation.
• Various strategies employing nuclear-targeting peptides have shown potential in enhancing anti-tumor therapeutic efficacy.

Conclusions:

• Nuclear-targeting peptides represent a key innovation in overcoming drug delivery challenges for nuclear-localized therapies.
• Further development of these peptides can lead to more precise and effective anti-cancer treatments.
• This review provides a foundation for future research into advanced nuclear-targeting drug delivery systems.