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STIL balancing primary microcephaly and cancer

Dhruti Patwardhan1,2, Shyamala Mani1,3, Sandrine Passemard1,4

  • 1PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France.

Cell Death & Disease
|January 21, 2018
PubMed

Insights

The centriolar protein STIL is crucial for balancing cell division and differentiation, impacting development and homeostasis. Its dysregulation causes microcephaly or cancer due to cell cycle and chromosomal segregation errors.

Area of Science:

  • Cell Biology
  • Developmental Biology
  • Genetics

Background:

  • Cell division and differentiation must be balanced for organ development and tissue homeostasis.
  • Deregulation of the STIL gene is linked to primary microcephaly and cancer.
  • These conditions arise from disruptions in cell cycle and chromosomal segregation.

Purpose of the Study:

  • To review recent advances in understanding STIL protein functions.
  • To discuss STIL's role in controlling centriole duplication and mitotic spindle integrity.
  • To explore how STIL expression perturbations lead to chromosomal instability.

Main Methods:

  • Literature review of recent scientific advances.
  • Analysis of STIL protein functions in cell cycle control.
  • Discussion of pathological implications of STIL dysregulation.

Main Results:

  • STIL protein is vital for centriole duplication and mitotic spindle integrity.
  • STIL dysregulation contributes to chromosomal instability.
  • These effects are observed in both embryonic development and adult tissue homeostasis.

Conclusions:

  • STIL plays a fundamental role in maintaining the balance between cell division and differentiation.
  • Common factors regulated by STIL are involved in both developmental processes and tissue homeostasis.
  • Understanding STIL function is key to addressing developmental disorders and cancer.

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