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Hungarian Mummy Shows a Colon Cancer Mutation

by Reshma Anand on  March 1, 2016 at 12:51 PM Cancer News   - G J E 4
While modernism is blamed for an increase in many diseases like diabetes, obesity and cancer. But is cancer a mere aftermath of modernization or genetic mutation?
Hungarian Mummy Shows a Colon Cancer Mutation
Hungarian Mummy Shows a Colon Cancer Mutation
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A new Tel Aviv University discovery suggests that a genetic predisposition to colorectal cancer preceded the advent of modernization and, in a bizarre twist, they discovered this evidence in an 18th-century Hungarian mummy.

‘Genetic predisposition to colorectal cancer discovered in an 18th-century Hungarian mummy.’
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The research team was led by Dr. Rina Rosin-Arbesfeld of the Department of Clinical Microbiology and Immunology at TAU's Sackler Faculty of Medicine and Dr. Ella H. Sklan of the same department, together with Prof. Israel Hershkovitz and Michal Feldman of the Department of Anatomy and Anthropology at the Sackler Faculty. The findings were published in the journal PLOS ONE.

Meeting the mummies

In 1995, more than 265 mummies were excavated from sealed crypts in the Dominican church in Vác, Hungary. These crypts were used continuously from 1731 to 1838 for the burial of middle-class families and clerics and provided ideal conditions for the natural mummification of corpses -- low temperatures, constant ventilation and low humidity. Some 70% of the bodies found had been completely or partially mummified.

The preservation of the tissue samples and abundant archival information about the individuals buried in the crypts attracted researchers from around the world, all of whom where interested in conducting their own morphological and genetic studies of the human remains.

"Colorectal cancer is among the most common health hazards of modern times," Dr. Rosin-Arbesfeld explained. And it has a proven genetic background. We wanted to discover whether people in the past carried the APC mutation -- how common it was, and whether it was the same mutation known to us today. In other words: Is the increase in the incidence of cancer the result of man's manipulation of nature alone?

"After hearing that tuberculosis had been discovered in the corpses, I was interested in seeking out a number of gene mutations known to be associated with colorectal cancer," Dr. Rosin-Arbsefeld said.

A new area for cancer research

The researchers used genetic sequencing to identify mutations in APC genes that were isolated from the mummies. "Mummified soft tissue opens up a new area of investigation. Very few diseases attack the skeleton, but soft tissue carries evidence of disease. It presents an ideal opportunity to carry out a detailed genetic analysis and test for a wide variety of pathogens," said Prof. Hershkovitz.

"Our data reveal that one of the mummies may have had a cancer mutation. This means that a genetic predisposition to cancer may have already existed in the pre-modern era," Dr. Sklan said. "But we've found this mutation in only one individual so far. Additional studies with a larger sample size should be conducted in order to draw more meaningful conclusions."



Source: Eurekalert
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