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Front Immunol. 2014 Jul 02;5:303. doi: 10.3389/fimmu.2014.00303. eCollection 2014.

Evolution of Our Understanding of Myeloid Regulatory Cells: From MDSCs to Mregs.

Frontiers in immunology

Masoud H Manjili, Xiang-Yang Wang, Scott Abrams

Affiliations

  1. Department of Microbiology and Immunology, Virginia Commonwealth University , Richmond, VA , USA ; Massey Cancer Center, Virginia Commonwealth University , Richmond, VA , USA.
  2. Massey Cancer Center, Virginia Commonwealth University , Richmond, VA , USA ; Department of Human and Molecular Genetics, Virginia Commonwealth University , Richmond, VA , USA.
  3. Roswell Park Cancer Institute , Buffalo, NY , USA.

PMID: 25071764 PMCID: PMC4078244 DOI: 10.3389/fimmu.2014.00303

Abstract

The term myeloid-derived suppressor cells (MDSCs) was first suggested in 2007 in order to reflect the origin and function of myeloid cells during immunosuppression in cancer and other pathologic conditions. Emerging evidence suggests that MDSCs suppress CTL and Th1 responses in malignant diseases while they regulate effective immune responses in parasitic and helminth infections as well as Th17 inflammatory response during autoimmune diseases. Based on these data, the term myeloid regulatory cells (Mregs) more accurately reflects their function and interactions with different cells of the immune system during diseased conditions. Here, we provide evidence on the multifaceted function of Mregs during diseased states.

Keywords: Leishmania; Nippostrongylus; helminths; immunotherapy of cancer; myeloid regulatory cells; myeloid-derived suppressor cells

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