Macrophages as a Source and Recipient of Wnt Signals

Macrophages are often viewed through the lens of their core functions, but recent transcriptomic studies reveal them to be largely distinct across tissue types. While these differences appear to be shaped by their local environment, the key signals that drive these transcriptional differences remain...

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Main Authors: Elizabeth S. Malsin, Seokjo Kim, Anna P. Lam, Cara J. Gottardi
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-07-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fimmu.2019.01813/full
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author Elizabeth S. Malsin
Seokjo Kim
Anna P. Lam
Cara J. Gottardi
author_facet Elizabeth S. Malsin
Seokjo Kim
Anna P. Lam
Cara J. Gottardi
author_sort Elizabeth S. Malsin
collection DOAJ
description Macrophages are often viewed through the lens of their core functions, but recent transcriptomic studies reveal them to be largely distinct across tissue types. While these differences appear to be shaped by their local environment, the key signals that drive these transcriptional differences remain unclear. Since Wnt signaling plays established roles in cell fate decisions, and tissue patterning during development and tissue repair after injury, we consider evidence that Wnt signals both target and are affected by macrophage functions. We propose that the Wnt gradients present in developing and adult tissues effectively shape macrophage fates and phenotypes. We also highlight evidence that macrophages, through an ability to dispatch Wnt signals, may couple tissue debridement and matrix remodeling with stem cell activation and tissue repair.
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spelling doaj.art-358c81f41cb344f2aef97491fc5023012022-12-22T01:31:27ZengFrontiers Media S.A.Frontiers in Immunology1664-32242019-07-011010.3389/fimmu.2019.01813464433Macrophages as a Source and Recipient of Wnt SignalsElizabeth S. MalsinSeokjo KimAnna P. LamCara J. GottardiMacrophages are often viewed through the lens of their core functions, but recent transcriptomic studies reveal them to be largely distinct across tissue types. While these differences appear to be shaped by their local environment, the key signals that drive these transcriptional differences remain unclear. Since Wnt signaling plays established roles in cell fate decisions, and tissue patterning during development and tissue repair after injury, we consider evidence that Wnt signals both target and are affected by macrophage functions. We propose that the Wnt gradients present in developing and adult tissues effectively shape macrophage fates and phenotypes. We also highlight evidence that macrophages, through an ability to dispatch Wnt signals, may couple tissue debridement and matrix remodeling with stem cell activation and tissue repair.https://www.frontiersin.org/article/10.3389/fimmu.2019.01813/fullmacrophagesmonocytesbeta cateninWnt signalingimmunity
spellingShingle Elizabeth S. Malsin
Seokjo Kim
Anna P. Lam
Cara J. Gottardi
Macrophages as a Source and Recipient of Wnt Signals
Frontiers in Immunology
macrophages
monocytes
beta catenin
Wnt signaling
immunity
title Macrophages as a Source and Recipient of Wnt Signals
title_full Macrophages as a Source and Recipient of Wnt Signals
title_fullStr Macrophages as a Source and Recipient of Wnt Signals
title_full_unstemmed Macrophages as a Source and Recipient of Wnt Signals
title_short Macrophages as a Source and Recipient of Wnt Signals
title_sort macrophages as a source and recipient of wnt signals
topic macrophages
monocytes
beta catenin
Wnt signaling
immunity
url https://www.frontiersin.org/article/10.3389/fimmu.2019.01813/full
work_keys_str_mv AT elizabethsmalsin macrophagesasasourceandrecipientofwntsignals
AT seokjokim macrophagesasasourceandrecipientofwntsignals
AT annaplam macrophagesasasourceandrecipientofwntsignals
AT carajgottardi macrophagesasasourceandrecipientofwntsignals