Chromogranin A: A paradoxical player in angiogenesis and vascular biology

Karen B. Helle, Angelo Corti

Research output: Contribution to journalArticlepeer-review

Abstract

Half a century after the discovery of chromogranin A as a secreted product of the catecholamine storage granules in the bovine adrenal medulla, the physiological role for the circulating pool of this protein has been recently coined, namely as an important player in vascular homeostasis. While the circulating chromogranin A since 1984 has proved to be a significant and useful marker of a wide range of pathophysiological and pathological conditions involving the diffuse neuroendocrine system, this protein has now been assigned a physiological "raison d'etre" as a regulator in vascular homeostasis. Moreover, chromogranin A processing in response to tissue damage and blood coagulation provides the first indication of a difference in time frame of the regulation of angiogenesis evoked by the intact chromogranin A and its two major peptide products, vasostatin-1 and catestatin. The impact of these discoveries on vascular homeostasis, angiogenesis, cancer, tissue repair and cardio-regulation will be discussed.

Original languageEnglish
Pages (from-to)339-348
Number of pages10
JournalCellular and Molecular Life Sciences
Volume72
Issue number2
DOIs
Publication statusPublished - 2015

Keywords

  • Angiogenic switch
  • Cancer
  • Cardiovascular regulation
  • ELISA assays
  • Endothelial barrier
  • Proteolytic processing

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Molecular Medicine
  • Pharmacology
  • Cellular and Molecular Neuroscience

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