Abstract:
:Restriction fragment length polymorphism of the human insulin receptor gene was analyzed with a 4.2 Kb cDNA probe in Japanese normal subjects and Type 2 (non-insulin-dependent) diabetic patients. Restriction endonuclease Rsa I digestion showed polymorphism of the human insulin receptor gene, with a band at 6.7 Kb, 6.2 Kb or 3.6 Kb. The frequency of the 6.7 Kb band was less than that in Caucasians. Furthermore, 15% of all the Japanese subjects examined lacked a 3.6 Kb band, which is commonly found in Caucasians. We have also detected restriction fragment length polymorphism in the human insulin receptor gene by Pvu II or Stu I digestion. Although no significant association of restriction fragment length polymorphism with Type 2 diabetes was found in the present study, our results suggest that the restriction fragment length polymorphism in the human insulin receptor gene varies among ethnic groups, and that the restriction fragment length polymorphism linked to the human insulin receptor gene might be a useful marker for the linkage study of the genes located close to the human insulin receptor gene on chromosome 19.
journal_name
Diabetologiajournal_title
Diabetologiaauthors
Takeda J,Seino Y,Yoshimasa Y,Fukumoto H,Koh G,Kuzuya H,Imura H,Seino Sdoi
10.1007/BF00869268subject
Has Abstractpub_date
1986-09-01 00:00:00pages
667-9issue
9eissn
0012-186Xissn
1432-0428journal_volume
29pub_type
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