Mon, Mar 27, 2017 | updated 12:11 PM IST

Some cancer cells contains Alzheimer cells too: Study

Updated: Oct 08, 2016 10:47 IST

Washington D.C. [USA], Oct. 8 (ANI): A recent study suggests that certain cancer progression proteins and metastasis are stored as amyloid bodies in dormant cancer cells.

Once the amyloid bodies disaggregate, the cancer cells become active again.

Amyloid bodies are known to play a role in the development of neurological diseases such as Alzheimer's and Parkinson's disease but their contributions to the progression of cancer have been largely unknown.

This discovery points to a new avenue for the treatment of various types of cancers by applying knowledge gained from neuroscience to tumor biology.

The author of the study Stephen Lee said, "The amyloid state of protein organization is typically associated with debilitating human neuropathies and rarely observed in physiology,"

Adding, "Yet, we found that a large number of proteins are stored as amyloid bodies in cancer cells that are dormant. The heat shock chaperone pathway can disaggregate the amyloid bodies and turn the dormant cancer cells into active, progressing cancer cells."

The team found that ribosomal intergenic non-coding RNA regulates the process of amyloid formation in cancer cells, making it a target for drug discovery and development.

"If we can stop the amyloid bodies from disaggregating in cancer cells, the hope is that they will remain dormant indefinitely. In addition, we may also be able to turn active cancer cells into dormant ones by encouraging them to store the proteins as amyloid bodies," Lee said.

Amyloidogenesis enables cells to remain viable during prolonged periods of extracellular stress, highlighting the non-toxic and protective nature of the process, not just in cancer cells.

"Following this approach, we wouldn't necessarily rid the body of cancer cells, but we would keep them inactive - shut off, if you will- and not allow them to become active againI am optimistic this could become a novel way of treating cancer. There are already drugs on the market, and others are being studied, that target the ribosomal intergenic noncoding RNA as well as the heat shock chaperone pathway," he said.

The findings were published in the journal Developmental Cell today. (ANI)

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