Deafness because the tooth is not good
Because the tooth was not good that Shanghai reported deafness originally, this something new was found while cloning mere dentine Model 2 gene of hereditary milk by the biological engineering research center of research institute of Shanghai life of Chinese Academy of Sciences. Before this, Chinese Academy of Medical Sciences the intersection of preclinical medicine and the intersection of molecular biology and national key laboratory succeed in cloning this kind of gene too. Two academic organizations show simultaneously, with the fast progress of the work of human genome, the gene " makes a reservation to clone " It has already no longer been a patent of the western scientific circles. It is reported, the mere dentine of hereditary milk is the most common oral cavity hereditary disease, the morbidity is in 1/6000 to 1/8000, patient of this disease is because of the ore defect of the dentine, the corona is apt to loss, cause teeth to abrade seriously, there are no medicines yet at present and can be managed. Adopt the analysis of house department at the smooth dentine of 4 pieces of hereditary milk, have found this several kinds of different kinds of mutation that lie in DSPP gene of the long arm of chromosome of the fourth lead to the fact this disease takes place, and initiate the going on among them high-frequencily and deafly in two families are. (Cai MinMin)
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