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Related Concept Videos

Phenotypic Profiling of Human Stem Cell-Derived Midbrain Dopaminergic Neurons09:21

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Related Experiment Video

Updated: Jan 7, 2026

Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice
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uPAR: a versatile signalling orchestrator.

Francesco Blasi1, Peter Carmeliet

  • 1Department of Molecular Biology and Functional Genomics, DIBIT, Università Vita Salute San Raffaele, Via Olgettina 58, 20132 Milano, Italy. blasi.francesco@lsr.it

Nature Reviews. Molecular Cell Biology
|December 4, 2002
PubMed
Summary
This summary is machine-generated.

The urokinase receptor (uPAR) plays a key role in cell functions beyond its known role in clot lysis. This receptor influences cellular adhesion, differentiation, proliferation, and migration through non-proteolytic mechanisms.

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Area of Science:

  • Cellular biology
  • Biochemistry
  • Physiology

Background:

  • The plasminogen system is vital in physiological processes like wound healing and pathological conditions such as cancer.
  • The urokinase receptor (uPAR) was initially recognized for its role in facilitating cell invasion.

Purpose of the Study:

  • To explore the multifaceted cellular functions of the urokinase receptor (uPAR).
  • To investigate the non-proteolytic mechanisms by which uPAR influences cellular activities.

Main Methods:

  • Literature review on plasminogen system and uPAR functions.
  • Analysis of existing research on uPAR's cellular interactions.

Main Results:

  • uPAR mediates a wide range of cellular responses, including adhesion, differentiation, proliferation, and migration.
  • These cellular effects are exerted through non-proteolytic pathways, distinct from its role in the plasminogen system.

Conclusions:

  • uPAR's functions extend beyond proteolysis, impacting fundamental cellular processes.
  • Understanding uPAR's non-proteolytic roles is crucial for comprehending its involvement in health and disease.