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Human insulin-receptor gene.

S Seino1, M Seino, G I Bell

  • 1Howard Hughes Medical Institute, University of Chicago, Illinois 60637.

Diabetes
|February 1, 1990
PubMed
Summary
This summary is machine-generated.

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The human insulin-receptor (hINSR) gene, located on chromosome 19, has 22 exons. Mutations in this gene cause insulin resistance and contribute to diabetes mellitus development.

Area of Science:

  • Genetics
  • Molecular Biology
  • Endocrinology

Background:

  • The human insulin-receptor (hINSR) gene is crucial for regulating blood glucose levels.
  • Understanding the hINSR gene's structure and mutations is vital for diabetes research.

Purpose of the Study:

  • To analyze the exon-intron organization of the hINSR gene.
  • To investigate the impact of hINSR gene mutations on protein structure and function.
  • To elucidate the role of the hINSR gene in diabetes mellitus.

Main Methods:

  • Gene structure analysis of the hINSR gene.
  • Identification and characterization of mutations within the hINSR gene.
  • Correlation of hINSR gene mutations with protein abnormalities and clinical phenotypes.

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Main Results:

  • The hINSR gene comprises 22 exons spanning over 120,000 base pairs on chromosome 19.
  • Introns within the hINSR gene appear to delineate structural and functional domains of the insulin receptor protein.
  • Eight mutations in the hINSR gene lead to abnormal protein structures, associated with insulin resistance.

Conclusions:

  • The exon-intron organization suggests the hINSR gene evolved as a mosaic from different protein-coding regions.
  • Mutations in the hINSR gene are directly linked to insulin resistance and the pathogenesis of diabetes mellitus.
  • Further study of the hINSR gene offers insights into diabetes development and potential therapeutic targets.