First-pass extracted concept

M2 macrophages

Candidate: concept label2 source documents5 linked claims
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Aliases

alternatively activated macrophages, anti-inflammatory macrophages, M2, M2-like cells

Extracted Explainers

What the tool is doing

This label denotes alternatively activated macrophages in the review's framework. The abstract links M2 macrophages to Th2-associated effector functions, endocytic clearance, trophic factor synthesis, and reduced pro-inflammatory cytokine secretion.

Source 2DOIPubMed

What problem it solves

It provides a broad category for discussing macrophage programs associated with alternative activation and inflammation resolution.

Source 2DOIPubMed

What it does not solve

It does not specify a single experimental protocol or a discrete collection-worthy tool in the provided evidence.

Source 2DOIPubMed

Alternatives

The abstract contrasts M2 macrophages with classically activated M1 macrophages and further separates M2 into M2a, M2b, and M2c subclasses.

Source 2DOIPubMed

Evidence Snippets

Anti-inflammatory mediators, including IL-4, IL-10, TGF-β and M-CSF, induce diverse anti-inflammatory types of macrophages, known under the generic term M2.
Evidence 1Source 1DOIPubMedprovenance
Polarized macrophages can be broadly classified in two main groups... and alternatively activated macrophages (or M2), further subdivided in M2a... M2b... and M2c.
Evidence 2Source 2DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1state classificationsupports2011Source 1DOIPubMed

Breast tumor-associated macrophages have often been propagated as anti-inflammatory M2-like cells.

Claim 2subset characterizationsupports2011Source 1DOIPubMed

Perivascular migratory TAMs are less M2-like, whereas sessile TAMs at tumor-stroma borders and/or hypoxic regions are more M2-like or trophic.

Claim 3classification frameworksupports2007Source 2DOIPubMed

Polarized macrophages can be broadly classified into classically activated M1 and alternatively activated M2 groups.

Quoted textsource-backed
Polarized macrophages can be broadly classified in two main groups: classically activated macrophages (or M1) ... and alternatively activated macrophages (or M2)
Claim 4functional rolesupports2007Source 2DOIPubMed

M2 macrophages support Th2-associated effector functions and are associated with inflammation resolution, high endocytic clearance, trophic factor synthesis, and reduced pro-inflammatory cytokine secretion.

Quoted textsource-backed
M2 support Th2-associated effector functions. Beyond infection M2 polarized macrophages play a role in resolution of inflammation through high endocytic clearance capacities and trophic factor synthesis, accompanied by reduced pro-inflammatory cytokine secretion.
Claim 5subclassificationsupports2007Source 2DOIPubMed

Alternatively activated M2 macrophages are further subdivided into M2a, M2b, and M2c subclasses associated with different inducing stimuli.

Quoted textsource-backed
alternatively activated macrophages (or M2), further subdivided in M2a (after exposure to IL-4 or IL-13), M2b (immune complexes in combination with IL-1beta or LPS) and M2c (IL-10, TGFbeta or glucocorticoids)