What Is Virotherapy?

Cancer virus therapy is a recent new cancer treatment. It uses adenoviruses to attack cancer cells.

Cancer virus therapy

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Cancer virus therapy is a recent new cancer treatment. It uses adenovirus to overcome

First, we need to understand some of these

In 1912, after a woman was injected with rabies vaccine, her cervical cancer showed signs of regression. The vaccine is generally made after the virus has been attenuated artificially. Maybe rabies virus may have an effect on cancer. In 1960, some scientists discovered that the virus that causes "newcastle fowl fever" particularly favors cancer cells. Later, it was reported that patients with lymphoma had atrophy of lymphoma due to measles; and we know that measles is also a disease caused by a virus.

By the end of the 1990s, two groups of scientists in the United States transplanted cancer cells into mice, and then injected the virus into the mice. Soon the mice recovered.

The virus they use is the adenovirus that causes the common cold.

However, using adenovirus to attack cancer with poison has advantages and disadvantages. The disadvantage is that we have suffered a cold more or less in our lives, so almost everyone has antibodies in the body, and the body will attack adenovirus as a foreign object. In serious cases, the body will be damaged by overestimation of the enemy s situation. body. The advantage is that because of the antibodies, it will not spread the adenovirus.

The key to viral therapy is to ensure that the virus hits cancer cells like a missile without harming ordinary cells (the consequences of killing ordinary cells are unthinkable, such as causing a cold)

The first method is to make the virus only like to operate on cancer cells, and only inject DNA into cancer cells. It may be a big disappointment to say it. Adenoviruses are just stronger than normal cancer cells in their ability to bind to normal cells, because normal cells and adenoviruses are simply a perfect match, and they can be snapped just right. Not easy to fasten. If the adenovirus is not remodeled, the cancer cells may still be intact, and normal cells will suffer instead. As a result, scientists added a "boxing sleeve" to the "small fist" of the adenovirus, so that the small fist of the virus became larger. It is suitable for cancer cells, and healthy cells ca nt be plugged in, so normal cells cannot be destroyed.

The second type is to install a gene switch, and it will open at the place of cancer cells, telling it: this is the enemy-occupied area, you can rest assured to copy and destroy it! When the normal cell environment is reached, shut it down and tell it: this is your own territory! Don't act lightly and do things that are righteous. In this way, it can also serve the purpose of distinguishing between the enemy and ourselves and defeating the enemy.