â–² Chinese sisters basking in the arms of the veterinarian

Remember the two cute little crab kings "中中" and "Huahua" on the cover of "Cell" magazine on January 25 this year? At that time they could only be active in the incubator, and now they can breathe fresh air from the sun in nature from time to time! The Institute of Neuroscience of the Chinese Academy of Sciences has exposed a group of two monkeys to shine in the sun. It is reported that when the room temperature can be stably reached 26 ° C, they can formally "migrate" from the warm box.

Since the end of November and the beginning of December last year, in the blink of an eye, as the first epoch-making world, the non-human primate successfully cloned with somatic cells, "China" and "Huahua" have been four or five months. It is.

Under the careful care of the veterinarians of the non-human primate research platform, the two sisters thrive. In addition to three meals a day, 50-60 ml of milk powder per meal, apple diced, peanuts and full-price pellets have been added. And other complementary food. According to the veterinarian who took care of them, "中中" and "Huahua" are just like the children of a few months old. They are very sticky. If they take out the incubator, they will squat on the veterinarian's arm. The appearance of the people who see them can not help but give birth to compassion.

â–²The cloned monkey research group postdoctoral Liu Zhen holds the somatic cell clone monkey

Since entering April, the weather has gradually warmed up. In order to let the Chinese sisters gradually adapt to nature, the veterinarian will go out to the sun with the Chinese sisters on a high temperature and a clear day. The two little guys are lying lazily in their arms, no need to worry about them. "Opening the slide."

The reporter learned that the Chinese sisters are cynomolgus monkeys and belong to tropical monkeys. In order to ensure the healthy growth of young monkeys, it is necessary to wait until the room temperature reaches about 26 degrees before the incubator can be discharged. The full-price pellet feed is a feed formulated according to the nutritional needs of monkeys. It is made into granules that provide nutrients and can also be used to grind teeth. In fact, the two sisters began to germinate as early as more than a month, much earlier than human babies.

Today is the World Experimental Animal Day. There are always many ethical issues surrounding experimental animals. As a model animal for human research in brain science, the birth of somatic cloned monkeys will effectively reduce the amount of experimental animals used, and will greatly help to solve the ethical problems of experimental animals. When the Chinese sisters grow up again, they must conduct brain function tests such as learning and memory. Because many people's brain function and disease research, it is inseparable from the model animals that are closer to humans, which is impossible to replace with fruit flies, mice, and even dogs and pigs.

Brain science, as the last virgin land in the field of life sciences, the birth and growth of Chinese sisters, breaking through the technical bottleneck of model animals, will bring a new era of brain science development for human beings.

Source: Wen Wei Po Author: Xuqi Min

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