Thrombospondin-1 and CD47 regulation of cardiac, pulmonary and vascular responses in health and disease

Natasha M. Rogers, Maryam Sharifi-Sanjani, Gabor Csanyi, Patrick J. Pagano, Jeffrey S. Isenberg

Research output: Contribution to journalReview article

35 Citations (Scopus)

Abstract

Cardiovascular homeostasis and health is maintained through the balanced interactions of cardiac generated blood flow and cross-talk between the cellular components that comprise blood vessels. Central to this cross-talk is endothelial generated nitric oxide (NO) that stimulates relaxation of the contractile vascular smooth muscle (VSMC) layer of blood vessels. In cardiovascular disease this balanced interaction is disrupted and NO signaling is lost. Work over the last several years indicates that regulation of NO is much more complex than previously believed. It is now apparent that the secreted protein thrombospondin-1 (TSP1), that is upregulated in cardiovascular disease and animal models of the same, on activating cell surface receptor CD47, redundantly inhibits NO production and NO signaling. This inhibitory event has implications for baseline and disease-related responses mediated by NO. Further work has identified that TSP1-CD47 signaling stimulates enzymatic reactive oxygen species (ROS) production to further limit blood flow and promote vascular disease. Herein consideration is given to the most recent discoveries in this regard which identify the TSP1-CD47 axis as a major proximate governor of cardiovascular health.

Original languageEnglish (US)
Pages (from-to)92-101
Number of pages10
JournalMatrix Biology
Volume37
DOIs
StatePublished - Jul 1 2014

Fingerprint

Thrombospondin 1
Blood Vessels
Nitric Oxide
Lung
Health
Cardiovascular Diseases
Cardiovascular Models
Cell Surface Receptors
Vascular Diseases
Vascular Smooth Muscle
Reactive Oxygen Species
Homeostasis
Animal Models
Proteins

Keywords

  • Blood flow
  • CD47
  • Cardiovascular disease
  • Nitric oxide
  • ROS
  • Thrombospondin-1

ASJC Scopus subject areas

  • Molecular Biology

Cite this

Thrombospondin-1 and CD47 regulation of cardiac, pulmonary and vascular responses in health and disease. / Rogers, Natasha M.; Sharifi-Sanjani, Maryam; Csanyi, Gabor; Pagano, Patrick J.; Isenberg, Jeffrey S.

In: Matrix Biology, Vol. 37, 01.07.2014, p. 92-101.

Research output: Contribution to journalReview article

Rogers, Natasha M. ; Sharifi-Sanjani, Maryam ; Csanyi, Gabor ; Pagano, Patrick J. ; Isenberg, Jeffrey S. / Thrombospondin-1 and CD47 regulation of cardiac, pulmonary and vascular responses in health and disease. In: Matrix Biology. 2014 ; Vol. 37. pp. 92-101.
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