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1.
Chinese Journal of Diabetes ; (12): 260-261,264, 2008.
Article in Chinese | WPRIM | ID: wpr-589955

ABSTRACT

Objective To investigate clinical traits of 2 families members habouring mtDNA 12026A→G mutation based on our previous studies.Methods 25 members in 2 families with probands with mtDNA 12026 mutation were examined.All their clinical and biochemical data were collected.Total genome was extracted conventionally from peripheral leucocytes of all participants,and PCR-RFLP techniques were applied to screen A to G substitution at nucleotide 12026 of mtDNA in ND4 region.Results We found 13 individuals habouring the 12026 A→G mutation in 2 pedigrees,all without deafness.Among them,5 with diabetes were found.Interestingly,we found 3 individuals with hyperthyroidism in one family(one also combined with diabetes).Conclusions Our findings suggest that diabetic families with mtDNA 12026 A→G mutation in ND4 region can have different clinical pictures,and may involve in autoimmune diseases

2.
Chinese Journal of Diabetes ; (12)2000.
Article in Chinese | WPRIM | ID: wpr-591755

ABSTRACT

Objective To investigate clinical traits of 2 families members habouring mtDNA 12026A→G mutation based on our previous studies.Methods 25 members in 2 families with probands with mtDNA 12026 mutation were examined.All their clinical and biochemical data were collected.Total genome was extracted conventionally from peripheral leucocytes of all participants,and PCR-RFLP techniques were applied to screen A to G substitution at nucleotide 12026 of mtDNA in ND4 region.Results We found 13 individuals habouring the 12026 A→G mutation in 2 pedigrees,all without deafness.Among them,5 with diabetes were found.Interestingly,we found 3 individuals with hyperthyroidism in one family(one also combined with diabetes).Conclusions Our findings suggest that diabetic families with mtDNA 12026 A→G mutation in ND4 region can have different clinical pictures,and may involve in autoimmune diseases.

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