Tuesday, August 14, 2007

Stopping Cancer Cells From Reading Their Own DNA

There are three primary ways of treating cancer at present, and these have fundamentally changed little in 30 years. If there are tumours, surgery can be used to cut out the cancerous tissue, It the cells are malignang, then radiation therapy is the method. Chemotherapy is used to keep the cancerous cells from dividing. But a new approach using a molecular technique to prevent interference in the DNA copy metric.

The approach uses the information from tumor cells and block them from copying DNA sequences. This will cut off the genetic information flow that tumours need to grow.

The enzyme called Topoisomerase IB plays a key role in some of the molecular metric involved in the processes of DNA and RNA copying during cell division. These are responsible for reading the genetic code and making sure it is encoded correctly in the daughter cell. In healthy cells this process works normally, but in cancer cells it does not work well at all. If one can specifically target these molecular metrics in cancer cells one can prevent the cancer cells from growing into a larger tumor.

This molecular copying metric is constructed largely out of proteins. It works by effectly walking along the DNA double helix reading the genetic code so that it can be copied accurately into new DNA during division. Other components is responsible for slicing and assembling the DNA itself.

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