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Related Experiment Videos

The gene for human complement C9 is on chromosome 5.

S Rogne1, O Myklebost, K Stanley

  • 1Institute for Animal Science, Agricultural University, Norway.

Genomics
|July 1, 1989
PubMed
Summary

Researchers pinpointed the human gene for complement factor C9 (C9) to chromosome 5. This was achieved by hybridizing human cDNA with rodent hybrid cells containing human chromosome subsets.

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Area of Science:

  • Genetics
  • Immunology
  • Molecular Biology

Background:

  • The complement system is a crucial part of innate immunity.
  • Complement factor C9 (C9) plays a vital role in the terminal pathway of complement activation.
  • Gene localization is essential for understanding genetic disorders and evolutionary relationships.

Purpose of the Study:

  • To determine the chromosomal localization of the human C9 gene.
  • To contribute to the genetic mapping of the human complement system.

Main Methods:

  • Hybrid cell technology was employed, involving rodent cells fused with human cells.
  • A cloned cDNA probe for human C9 was used for hybridization.
  • Analysis of chromosome segregation in rodent-human hybrid cells was performed.

Main Results:

  • The human C9 gene was successfully mapped to human chromosome 5.
  • The results provide definitive localization for the C9 gene.

Conclusions:

  • The human gene for complement factor C9 is located on chromosome 5.
  • This finding aids in further genetic studies of the complement system and related diseases.

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