# Ancient and Emerging Nanostructures for Innovations to Fight Head and Neck Cancer

## TL;DR

This paper explores how ancient and new nanostructures can target the tumor microenvironment to improve treatment for head and neck cancer.

## Contribution

The paper integrates ancient and emerging nanostructures to reshape therapeutic strategies for head and neck squamous cell carcinoma.

## Key findings

- Ancient nanostructures like biopolymers and plant-derived nanovesicles modulate cellular signaling and immune responses.
- Emerging nanosystems enable precise targeting of DNA damage response and redox homeostasis in HNSCC.
- Integrated nano-platforms offer potential to reprogram the tumor microenvironment and overcome therapy resistance.

## Abstract

What are the main findings?
Head and neck squamous cell carcinoma (HNSCC) is characterized by a highly resistant tumor microenvironment involving hypoxia, immune suppression, and stromal remodeling.Emerging nanostructures—including nanobodies, engineered exosomes, DNA origami, and (stimuli-)responsive nanoparticles—enable precise, targeted modulation of HNSCC pathobiology.

Head and neck squamous cell carcinoma (HNSCC) is characterized by a highly resistant tumor microenvironment involving hypoxia, immune suppression, and stromal remodeling.

Emerging nanostructures—including nanobodies, engineered exosomes, DNA origami, and (stimuli-)responsive nanoparticles—enable precise, targeted modulation of HNSCC pathobiology.

What are the implications of the main findings?
Targeted modulation of the tumor and its microenvironment via advanced nanostructures offers a promising strategy to fight HNSCC.For clinical translation, critical challenges remain including ensuring safety, controlled responsiveness, and overall feasibility, which must be addressed to enable precision oncology approaches.

Targeted modulation of the tumor and its microenvironment via advanced nanostructures offers a promising strategy to fight HNSCC.

For clinical translation, critical challenges remain including ensuring safety, controlled responsiveness, and overall feasibility, which must be addressed to enable precision oncology approaches.

Head and neck squamous cell carcinoma (HNSCC) remains a major global health challenge due to its aggressive behavior, late-stage diagnosis, and high incidence of therapy resistance. At the cellular level, these clinical limitations are driven by profound alterations in oncogenic signaling, stress adaptation, DNA damage response pathways, and immune regulation within the tumor microenvironment. Advances in nanotechnology offer powerful opportunities to address these challenges by enabling targeted interference with cellular processes that govern tumor growth, survival, and therapy resistance. “Ancient” (i.e., established, long-studied) nanostructures, including mineral-based nanoparticles, natural biopolymers, and plant-derived nanovesicles, provide inherently biocompatible and bioactive platforms capable of modulating cellular signaling, redox balance, and immune responses. In parallel, emerging nanosystems—such as nanobodies, engineered exosomes, DNA origami, and stimuli-responsive smart nanoparticles—allow precise molecular targeting, controlled cargo release, and direct manipulation of intracellular pathways and intercellular communication. This manuscript synthesizes historical and contemporary developments in nanostructure design, highlighting how the integration of ancient materials with advanced nanotechnology can reshape therapeutic strategies for HNSCC. By targeting key cellular and microenvironmental processes, including DNA damage response signaling, redox homeostasis, immune regulation and stress-adaptive survival mechanisms, rather than drug delivery alone, these integrated nano-platforms offer promising avenues to overcome resistance mechanisms, reprogram the tumor microenvironment, and improve therapeutic precision and patient outcomes.