Study Identifies Autoimmune Disease Associated with Testicular Cancer

Study Identifies Autoimmune Disease Associated with Testicular Cancer

07/05/2019

Business-Standard.com

Scientists have discovered an autoimmune disease that seems to affect men with testicular cancer.

Known as 'testicular cancer-associated paraneoplastic encephalitis', it causes severe neurological symptoms in men. They progressively lose control of their limbs, eye movements and in some cases, speech.

The study published in the 'New England Journal of Medicine' identified a highly specific and unique biomarker for the disease by using a variation of "programmable phage display" technology. Their refined version of this technology simultaneously screens more than 700,000 autoantibody targets across all human proteins.

Using this powerful tool, the researchers evaluated cerebrospinal fluid from a 37-year-old man who had a history of testicular cancer and debilitating neurological symptoms, including vertigo, imbalance, and slurred speech. The enhanced phage technology identified autoantibodies targeting Kelch-like protein 11 (KLHL11), which is found in the testes and parts of the brain.

These results were correlated and validated with additional patient samples from the Mayo Clinic. In addition to identifying the cause of this mysterious neurological disease, the results point the way to using this protein biomarker as a diagnostic test for men with testicular cancer-associated paraneoplastic encephalitis.

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