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NEW YORK DAWN™ > Blog > Health > Zinc-transporting protein contributes to aggressive progress of mind tumor, researchers discover
Zinc-transporting protein contributes to aggressive progress of mind tumor, researchers discover
Health

Zinc-transporting protein contributes to aggressive progress of mind tumor, researchers discover

Last updated: May 1, 2025 9:28 pm
Editorial Board Published May 1, 2025
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Credit score: Anna Shvets from Pexels

In a examine printed Wednesday within the Proceedings of the Nationwide Academy of Sciences, College of Oklahoma researchers element their discoveries about why the mind tumor glioblastoma is so aggressive. Their findings heart on ZIP4, a protein that transports zinc all through the physique and units off a cascade of occasions that drive tumor progress.

About half of all malignant mind tumors are glioblastomas, the deadliest type of mind most cancers with a median survival fee of 14 months.

“Surgery for glioblastoma is very challenging, and patients almost always experience a relapse,” stated the examine’s senior writer, Min Li, Ph.D., a professor of drugs, surgical procedure and cell biology on the College of Oklahoma Faculty of Medication. “By better understanding why these brain tumors are so aggressive, we hope to open up paths for new treatments.”

Below regular circumstances, ZIP4 performs a constructive function, transporting and sustaining the correct quantity of zinc for good well being. Nonetheless, when mind most cancers is current, ZIP4 takes on a special function. Within the case of glioblastoma, it triggers a sequence of occasions:

Glioblastoma takes in about 10 occasions extra zinc than regular mind tissue does.
Glioblastoma with considerable ZIP4 releases tiny bubble-like packages referred to as extracellular vesicles (EVs).
Contained in the EVs is a protein referred to as TREM1, which usually helps the immune system battle an infection, however on this case turns close by mind immune cells (referred to as microglia) into supporters of tumor progress.
These microglia launch chemical compounds that permit the tumor to develop.

“Everything starts with the fact that ZIP4 is overexpressed in glioblastoma,” Li stated. “That triggers all these downstream events that help the tumor to grow.”

Li’s analysis crew additionally examined a small-molecule inhibitor to focus on ZIP4 and TREM1. The inhibitor hooked up to each proteins, stopping their actions and slowing tumor progress. “This tells us that ZIP4 and TREM1 may be promising therapeutic targets,” he stated.

Neurosurgeon, OU Faculty of Medication Government Dean and examine co-author Ian Dunn, M.D., stated the findings are an encouraging step towards combating the aggressive most cancers.

“These results are really exciting in such a debilitating cancer. The hope and promise is to translate these findings to novel treatment approaches to improve the lives of our patients,” stated Dunn, who has been treating sufferers with mind tumors for over 20 years.

That is one in every of Li’s first main publications on glioblastoma, however ZIP4 has been a spotlight of his pancreatic most cancers analysis for a few years. He found that overexpression of ZIP4 causes pancreatic most cancers cells to be extra immune to chemotherapy and prompts tumor cells to rework themselves to allow them to stealthily journey to the physique’s different organs. As well as, he discovered that ZIP4 performs a task within the onset of cachexia, a muscle-wasting situation that impacts the vast majority of sufferers with pancreatic most cancers.

Extra data:
Liyang Zhang et al, A zinc transporter drives glioblastoma development through extracellular vesicles-reprogrammed microglial plasticity, Proceedings of the Nationwide Academy of Sciences (2025). DOI: 10.1073/pnas.2427073122

Supplied by
College of Oklahoma

Quotation:
Zinc-transporting protein contributes to aggressive progress of mind tumor, researchers discover (2025, Could 1)
retrieved 1 Could 2025
from https://medicalxpress.com/information/2025-05-zinc-protein-contributes-aggressive-growth.html

This doc is topic to copyright. Other than any honest dealing for the aim of personal examine or analysis, no
half could also be reproduced with out the written permission. The content material is offered for data functions solely.

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