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Related Experiment Videos

Alternative splicing and programmed cell death

Z H Jiang1, J Y Wu

  • 1Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri 63110, USA.

Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
|February 5, 1999
PubMed
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Alternative splicing fine-tunes programmed cell death (PCD) by generating distinct isoforms of regulatory genes. This process impacts gene expression and protein function, crucial for organism development and homeostasis.

Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • Programmed cell death (PCD) is essential for multicellular organism development and homeostasis.
  • PCD is regulated by complex genetic and biochemical mechanisms.
  • Alternative splicing of pre-mRNA is emerging as a key regulatory level for PCD.

Purpose of the Study:

  • To review studies on alternative splicing of programmed cell death (PCD) regulatory genes.
  • To highlight how alternative splicing generates functionally distinct isoforms of PCD genes.
  • To explore the impact of alternative splicing on the regulation of cell death.

Main Methods:

  • Review of genetic and biochemical studies on PCD regulatory genes.
  • Analysis of alternative splicing events in genes involved in PCD.

Related Experiment Videos

  • Examination of isoform-specific expression and function.

    • Main Results:

    • Numerous genes critical for PCD are subject to alternative splicing.
    • Alternative splicing produces functionally distinct or antagonistic isoforms of PCD regulators.
    • This includes isoforms of death receptors and intracellular death machinery components.

    Conclusions:

    • Alternative splicing provides a critical fine-tuning mechanism for programmed cell death.
    • It affects both the intracellular distribution and functional activity of cell death regulators.
    • This regulatory layer is vital for modulating the tightly controlled process of cell death.