Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi · 1999
[Studies on a G6PD polymorphic site, cDNA C1311T].
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Ren X, Du C, Lin Q
Аннотация
OBJECTIVE: To use amplification refractory mutation system(ARMS) method to detect the G6PD cDNA C1311T mutation, estimate its frequency in a normal south Chinese population, and investigate whether IVS-11 C93T mutation is the cause of certain G6PD deficient cases.
METHODS: DNA sequencing was used to confirm the C1311T and the IVS-11 C93T mutations. ARMS was set up to detect the C1311T and to estimate its frequency.
RESULTS: Three cases of C1311T mutation were found in 40 G6PD deficient samples. The optimal condition for ARMS was established. Using this method, 19 cases of C1311T were detected in 103 normal men, and the frequency of this polymorphic mutation was estimated to be 18.4% in southern Chinese population. Four cases with G6PD deficiency were demonstrated to be C at the IVS-11 93 position. At the same time, a case of IVS-11 93 C-->T was found in a normal man.
CONCLUSIONS: ARMS is a simple, time-saving, and reliable method for detecting known G6PD gene point mutation. The frequency of C1311T in a normal south Chinese population is 18.4%. IVS-11 C93T might be another polymorphic site of the G6PD gene, and it is not the cause of enzyme deficiency in certain G6PD deficient cases.
METHODS: DNA sequencing was used to confirm the C1311T and the IVS-11 C93T mutations. ARMS was set up to detect the C1311T and to estimate its frequency.
RESULTS: Three cases of C1311T mutation were found in 40 G6PD deficient samples. The optimal condition for ARMS was established. Using this method, 19 cases of C1311T were detected in 103 normal men, and the frequency of this polymorphic mutation was estimated to be 18.4% in southern Chinese population. Four cases with G6PD deficiency were demonstrated to be C at the IVS-11 93 position. At the same time, a case of IVS-11 93 C-->T was found in a normal man.
CONCLUSIONS: ARMS is a simple, time-saving, and reliable method for detecting known G6PD gene point mutation. The frequency of C1311T in a normal south Chinese population is 18.4%. IVS-11 C93T might be another polymorphic site of the G6PD gene, and it is not the cause of enzyme deficiency in certain G6PD deficient cases.