Release date: 2017-04-25 Source: Noble Single Packed Mottled Waxy Corn Waxy corn comes in a variety of colours. Some people wonder if waxy corn is a genetically modified product. In fact, it is not. Waxy corn originated in China. It is caused by a genetic mutation. Artificial selection gradually led to the emergence of a type of tannin.
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Researchers at Stanford University School of Medicine in California have found that cord blood may play a key role in restoring the decline in learning and memory due to aging. Injection of human umbilical cord blood into aged mice can restore normal brain function. Researchers believe that similar effects can be seen in humans.
The study, published in Nature, has the potential to lead to new treatments that reduce age-related mental decline.
Aging causes changes in neurons and cognitive functions, adversely affecting the signaling of the brain and other parts of the body, and even affects thinking, understanding, learning, and memory. These declines in ability are associated with many neurological diseases.
Previous studies have shown that after injecting the plasma of young mice, the cell-free part of the blood, into older mice, the memory and learning ability of older mice has improved.
Recent studies have shown that human plasma can also improve the memory and learning ability of older mice. In addition, because the biological and behavioral characteristics of mice are very similar to humans, this finding increases the likelihood that young people's plasma will be used to improve cognitive performance in older adults.
Specifically, the team found a protein of tissue inhibitor of metalloproteinase 2 (TIMP2) in umbilical cord plasma that mimics the recovery of brain function in aged mice without the need to inject other components of plasma. Human umbilical cord blood is rich in this protein, but decreases with age. From the perspective of drug development, this single protein can prove to be useful.
“Neurologists have ignored it in the past, and still ignore it, but it is unusual for me, and some of the ingredients in your blood will affect how you think.†Senior author, Professor of Neuroscience and Neurology, Veterans Health Care System, Palo Alto, California, and Dr. Tony Wyss Coray, Senior Research Professional Scientist. The lead author of the study is Dr. Joseph Castellano, a lecturer in neurology and neuroscience.
Researchers suspect that these age-related changes may have an impact on the hippocampus. In humans and mice, the hippocampus is a key brain structure that "converts experience into long-term memory." The hippocampus is particularly susceptible to the normal aging process, although the exact mechanisms behind it are largely unknown.
“As we age, the hippocampus continues to degenerate, lose nerve cells and shrink,†explains Wyss Coray. As a result, memory and learning abilities are negatively affected.
The results of the study show that human umbilical cord plasma can significantly improve hippocampal function. The plasma level of the elderly has no effect on hippocampal function, and the plasma of young people has a slight improvement in hippocampal function.
"Our results suggest that systemic factors that occur early in life may be beneficial for restoring aging tissue, while tissue inhibitor of metalloproteinase 2 (TIMP2), a protein that is extremely abundant during growth and development, represents an old hippocampus Favorable recovery factors," the author concludes.
Waxy corn, also known as waxy corn, is sticky corn. The grain has coarse, waxy endosperm, similar to shiny, glassy (clear) grains such as hard and dented corn. Its chemical and physical characteristics are controlled by a recessive gene (wx), which is located on chromosome 9. 100% of the starch in the endosperm is straight-chain starch.
Coloured glutinous corn is generally white, yellow, red, purple and black, with white, yellow and purple corn being the basic colours. Purple and white hybrids naturally become purple if the purple gene "beats" the white gene and vice versa, so if the two tie we see white and purple corn. Purple can turn into red and black corn, or as we often say, "red is purple and black is purple". Of these colourful corn, the most common yellow waxy corn is the most nutritious as it is rich in carotenoids...
Currently, the only genetically modified foods sold on the Chinese market are soybean oil and papaya. Waxy maize is a hybrid variety and is not associated with genetic modification. Therefore, it can be concluded that glutinous maize is a hybrid variety and has nothing to do with genetic modification.
Genetic modification is a type of "genetic engineering" in modern science and technology, which makes use of modern molecular biology techniques. Hybridisation is the mating of individuals of different genotypes to produce offspring that are different from the original "pure" breed. In a sense, it belongs to the natural exchange of genes that can occur in nature.
