Garvan Institute Researchers Map First Cellular Atlas of Early Stage Prostate Cancer and Identify New Cell Type

Garvan Institute researchers identify a new cell type and "invisible" genetic changes in normal-looking cells that signal the start of prostate cancer.

By: AXL Media

Published: Mar 26, 2026, 10:40 AM EDT

Source: Information for this report was sourced from Garvan Institute of Medical Research

The World’s Most Detailed Prostate Cancer Atlas

Researchers at the Garvan Institute of Medical Research have produced a comprehensive cellular atlas that tracks the genesis of prostate cancer with unprecedented resolution. By analyzing tissue from 24 patients using advanced single-cell RNA sequencing and spatial transcriptomics, the team mapped the genetic activity and physical locations of every cell within the tumor landscape. According to Professor Alexander Swarbrick, this study has identified 11 major cell types and 50 minor subtypes, providing a molecular readout that captures years of cancer development. This resource is expected to redefine how the global scientific community studies tumor formation and designs early-stage therapeutics.

Invisible Transitions Toward Malignancy

One of the most startling revelations of the study is that a significant number of cells appearing perfectly ordinary under a microscope have already acquired DNA changes associated with cancer. According to Swarbrick, this suggests that traditional diagnostic methods relying on visual structural irregularities may not be granular enough to detect the earliest stages of the disease. These epithelial cells, which line the organs where most cancers originate, show genomic alterations long before they manifest physical abnormalities. This discovery paves the way for future molecular testing that could identify "invisible" warning signs before a pathologist can see the cancer.

Discovery of Perineural Cancer Associated Fibroblasts

The research led to the surprise identification of a previously unknown cell type named perineural cancer-associated fibroblasts. These specialized connective tissue cells are located near nerves within the tumor and appear to possess the molecular machinery necessary to communicate with the nervous system. While the exact function of these cells remains under investigation, Professor Swarbrick noted that the tendency for prostate tumors to grow around nerves has long been linked to poorer patient outcomes. This discovery provides a new piece of the puzzle regarding how tumors might recruit nerves to facilitate the spread of metastatic disease.