Regulation of leucocyte homeostasis in the circulation

Christoph Scheiermann, Paul S. Frenette, Andrés Hidalgo

Research output: Contribution to journalReview article

32 Scopus citations

Abstract

The functions of blood cells extend well beyond the immune functions of leucocytes or the respiratory and hemostatic functions of erythrocytes and platelets. Seen as a whole, the blood stream is in charge of nurturing and protecting all organs by carrying a mixture of cell populations in transit from one organ to another. To optimize these functions, evolution has provided blood and the vascular system that carries it with various mechanisms that ensure the appropriate influx and egress of cells into and from the circulation where and when needed. How this homeostatic control of blood is achieved has been the object of study for over a century, and although the major mechanisms that govern it are now fairly well understood, several new concepts and mediators have recently emerged that emphasize the dynamism of this liquid tissue. Here we review old and new concepts that relate to the maintenance and regulation of leucocyte homeostasis in blood and briefly discuss the mechanisms for platelets and red blood cells.

Original languageEnglish (US)
Pages (from-to)340-351
Number of pages12
JournalCardiovascular research
Volume107
Issue number3
DOIs
StatePublished - 2015

Keywords

  • Cholesterol metabolism
  • Leucocyte homeostasis
  • Leucocyte mobilization
  • Leucocyte recruitment

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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