Effect of cytotoxic CD8+ T-cells secretory proteins on hypoxic pancreatic cancer cells.

ABSTRACT:

Background

Hypoxia in tumor cells is linked to increased drug resistance and more aggressive behavior. In pancreatic cancer, the tumor microenvironment is notably hypoxic and exhibits strong immunosuppressive properties. Given that immunotherapy is now approved for pancreatic cancer treatment, further understanding of how pancreatic tumor cell hypoxia influences T-cell cytotoxicityis essential.

Objective

This study examined how hypoxia affects the interaction between pancreatic tumor cells (PANC-1) and cytotoxic CD8+ T-cells.

Methods

Pancreatic tumor cells (PANC-1) were exposed to 20 cycles of chronic hypoxic conditions, each for 72 hours, followed by a re-oxygenation period for 24 hours. On cycles 10 and 20, PANC-1 conditioned media (CM) was harvested, and the hypoxi

SUBMITTER: Abdo E 

PROVIDER: S-EPMC11781647 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature