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Related Experiment Videos

The (pro)renin receptors.

Geneviève Nguyen1, Aurélie Contrepas

  • 1INSERM Unit 833, Collège de France, 11 place Marcelin Berthelot, Paris, France. genevieve.nguyen@college-de-france.fr

Journal of Molecular Medicine (Berlin, Germany)
|March 7, 2008
PubMed
Summary
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Two (pro)renin receptors, M6P-R and (P)RR, manage renin and prorenin. (P)RR activates cellular effects and enhances renin activity, potentially impacting diseases like hypertension and diabetic nephropathy.

Area of Science:

  • Endocrinology
  • Molecular Biology
  • Cardiovascular Research

Background:

  • Two distinct receptors, mannose-6-phosphate receptor (M6P-R) and (pro)renin receptor ((P)RR), have been identified.
  • These receptors differentially regulate renin and prorenin.
  • M6P-R functions as a clearance receptor, while (P)RR mediates cellular actions.

Purpose of the Study:

  • To elucidate the distinct roles of M6P-R and (P)RR in renin-angiotensin system signaling.
  • To investigate the mechanisms by which (P)RR influences renin enzymatic activity and prorenin activation.
  • To explore the potential involvement of (P)RR in the pathogenesis of cardiovascular and renal diseases.

Main Methods:

  • Characterization of M6P-R and (P)RR binding and signaling pathways.

Related Experiment Videos

  • Assessment of renin enzymatic activity and prorenin activation upon receptor interaction.
  • Utilizing experimental models to evaluate the role of (P)RR in disease states such as hypertension and diabetic nephropathy.

    • Main Results:

    • M6P-R acts as a clearance receptor for renin and prorenin.
    • (P)RR mediates cellular effects through intracellular signaling and gene expression modulation.
    • Binding to (P)RR enhances renin activity and fully activates prorenin, suggesting a key role in the active renin-angiotensin system.
    • Increased (P)RR synthesis or activation is implicated in hypertension, cardiac fibrosis, and diabetic nephropathy.

    Conclusions:

    • The (P)RR plays a critical role in activating prorenin and modulating intracellular signaling pathways.
    • Dysregulation of (P)RR may contribute to the development and progression of hypertension, cardiac fibrosis, and diabetic nephropathy.
    • Targeting (P)RR could offer novel therapeutic strategies for related diseases.