Ab-origin: an enhanced tool to identify the sourcing gene segments in germline for rearranged antibodies
2008

Ab-origin: A Tool for Identifying Gene Segments in Antibodies

Sample size: 6329 publication Evidence: high

Author Information

Author(s): Wang Xiaojing, Wu Di, Zheng Siyuan, Sun Jing, Tao Lin, Li Yixue, Cao Zhiwei

Primary Institution: Bioinformatics Center, Key Lab of Systems Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences

Hypothesis

Can an enhanced tool improve the identification of sourcing gene segments in rearranged antibodies?

Conclusion

Ab-origin outperformed five other popular tools in predicting the sourcing gene segments of antibodies.

Supporting Evidence

  • Ab-origin showed significantly higher accuracy in identifying IGHV, IGHD, and IGHJ segments compared to other tools.
  • The tool provides a confidence score for IGHD identification.
  • The study used both simulated and experimental data to validate the tool's performance.

Takeaway

The study created a new tool called Ab-origin that helps scientists find the original gene segments in antibodies, making it easier to understand how antibodies work.

Methodology

The tool uses a batch query against germline databases with an optimized scoring scheme to improve identification accuracy.

Limitations

The tool may not perform well with allelic exclusion or isotopic exclusion cases.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2105-9-S12-S20

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