Researchers Identify Rare Case of Transmissible Cancer in Catfish
TL;DR
- Scientists discovered a new instance of contagious cancer in brown bullhead catfish.
- The fish were studied in Lake Memphremagog, located between Canada and the United States.
- This marks the third known case of naturally occurring transmissible cancer in animals.
- The findings may offer insights into how bodies reject transplanted organs.
A team of researchers has identified a rare form of contagious cancer affecting brown bullhead catfish. The study focused on fish populations inhabiting Lake Memphremagog, which spans the border between Quebec, Canada, and Vermont in the United States.
While most cancers develop from a patient's own cells and are not considered infectious, this case involves cells that originate in one individual and spread to others. Once inside a new host, these cells develop into tumors before continuing to infect additional hosts.
This finding represents the third documented instance of naturally occurring transmissible cancer in animals. Scientists believe the study of these unique cases could help reveal mechanisms behind how a human body rejects transplanted organs.
Why It Matters
This discovery is significant for its potential medical applications, as understanding how these cancer cells transfer between hosts could provide researchers with new strategies to prevent human organ transplant rejection.
Oct 31, 2026 · Updated 10/31/2026, 5:11:30 AM · Reported with: The Hindu
Sources (1)
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