Genetic mutations in hereditary deafness

Nearly half of deaf patients are hereditary deafness, which can affect more than one in 2009 newborns.In addition, acquired deafness diseases such as drug-induced deafness are also closely related to genetic factors.With the continuous development of deafness gene research in recent years, it has become possible to avoid the incidence of this part of hereditary deafness through deafness gene screening and genetic counseling. In October 10, Shanghai Xinhua Hospital officially launched the first genetic diagnosis service project for hereditary deafness in Shanghai and surrounding areas. So far, it has performed deafness genetic diagnosis and prenatal care for more than 3000 deaf people, high-risk groups of deafness and early pregnant women. Diagnosis, this measure marks a solid step toward the level of genetic prevention in the newborn hearing screening program that has been implemented in Shanghai for 10 years, benefiting the country and the people, and with fruitful results.

So, what are the main genetic factors that affect the occurrence of hereditary deafness?To answer this question, we first need to understand some basic concepts of genes and genetics.Gene is the core unit of genetic information in our human body. It not only controls our biological traits, but can also be passed on to our offspring through inheritance.Unfortunately, in a part of the population, genetic diseases caused by gene mutations are also passed on to the next generation. When these genes are closely related to hearing function, the genetic mutations produce hereditary deafness.

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