Identification and characterisation of human apoptosis inducing proteins using cell-based transfection microarrays and expression analysis
2006

Identifying Human Proteins That Induce Cell Death

Sample size: 1959 publication Evidence: moderate

Author Information

Author(s): Ella L Palmer, Andrew D Miller, Tom C Freeman

Primary Institution: MRC Rosalind Franklin Centre for Genomics Research

Hypothesis

This study aims to identify human genes that induce apoptosis when over-expressed using large-scale cell-based microarrays.

Conclusion

The study successfully identified 10 genes that induce apoptosis, some of which were previously unknown to have this effect.

Supporting Evidence

  • High-density cell-based arrays were fabricated using 1,959 un-tagged open reading frames.
  • Ten genes were confirmed to induce apoptosis in HEK293T cells.
  • Three of the ten genes were further characterized for their transcriptional response during apoptosis induction.

Takeaway

Researchers created a special test to find out which human genes can make cells die, and they found 10 genes that can do this.

Methodology

The study used large-scale microarrays to screen for genes inducing apoptosis in HEK293T cells and characterized the transcriptional response of these genes.

Potential Biases

The manual scoring of arrays at low magnification may have led to misinterpretation of results.

Limitations

The study faced high false positive and negative rates, and the detection of weak signals may have affected results.

Participant Demographics

The study involved human embryonic kidney (HEK293T) cells.

Digital Object Identifier (DOI)

10.1186/1471-2164-7-145

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