The human RNASET2 protein affects the polarization pattern of human macrophages in vitro

Immunology Letters
Debora ScaldaferriFrancesco Acquati

Abstract

Macrophages represent key inflammatory cellular effectors of the innate immune response. Despite being widely acknowledged as professional phagocytes, the functional roles played by these cells have been progressively widened over the years to encompass regulation of the adaptive immune system, stimulation or suppression of cancer cell growth and tissue remodeling. These diverse functional features have led to the concept of "macrophage plasticity", i.e. the ability of these cells to express a wide range of phenotypes endowed with different functional roles. Several activation programs have been described for mammalian macrophages, based mainly on their differential transcriptional profiles. Based on established in vitro experimental conditions, many researchers currently refer to the M1 (or M1-like) and M2 (or M2-like) terms to describe the two extremes of a rather broad spectrum of polarization states that macrophages can experience in vivo. In light of the widely recognized opposite roles of M1-like and M2-like macrophages on cancer growth, and our largely incomplete knowledge of the cellular and molecular mechanisms underlying the establishment of the M1-like versus M2-like balance within a tumor mass, we report here result...Continue Reading

Citations

Sep 10, 2020·Frontiers in Immunology·Lei WuYongsheng Li
Nov 22, 2019·Frontiers in Immunology·Francesco AcquatiDouglas M Noonan

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