With the improvement of people's living standards, there are more and more people suffering from colorectal cancer. Sleeping after eating nighting, sedentary and not exercising will lead to colorectal cancer. Colorectal cancer is easy to treat in the early stage, but the symptoms are not obvious and difficult to find; the disease progresses to the later stage, and the data show that the patient's survival rate is very low. In order to solve a series of problems such as the difficulty of treatment caused by the cancer is difficult to find, the National University of Singapore Matthew Chang and his research team found a special method: combine bacteria and vegetables to form a targeting system, automatically find And kill colorectal cancer cells. Scientists use genetic engineering techniques to improve E. coli and kill it with broccoli to kill colorectal cancer cells In order to allow cancer cells to automatically take anticancer drugs and then be killed, the research team plans to use a substance that normal cells will not absorb, so that it only acts on colorectal cancer cells to ensure human health. However, this substance is not naturally occurring. Through research and analysis, scientists selected the most common Escherichia coli Nissle and modified it with genetic engineering technology to become a probiotic that can adhere to the surface of colorectal cancer cells. An enzyme secreted by this probiotic can convert a specific substance in cruciferous vegetables (such as broccoli) into an anticancer drug. Sure enough, experiments have shown that probiotic secreted enzymes and broccoli extract (a water containing dietary substances) can kill more than 95% of colorectal cancer cells, and this substance has no effect on other cells. For the research team's results, Professor Matthew Chang said: "The biggest advantage of this approach is that we just use our lifestyle to turn a normal diet into a sustainable, low-cost treatment." Regarding the use of this drug, Dr. Peng Yongwei, a colorectal cancer expert, pointed out that: one is for prevention; the other can be used to clean the cancer cells remaining after surgery to prevent recurrence.
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