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  Human colon organoids reveal distinct physiologic and oncogenic Wnt responses.

Michels, B. E., Mosa, M. H., Grebbin, B. M., Yepes, D., Darvishi, T., Hausmann, J., et al. (2019). Human colon organoids reveal distinct physiologic and oncogenic Wnt responses. Journal of Experimental Medicine, 216(3): 704. doi:10.1084/jem.20180823.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-0EB7-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1BAD-D
Genre: Journal Article

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 Creators:
Michels, B. E., Author
Mosa, M. H., Author
Grebbin, B. M., Author
Yepes, D., Author
Darvishi, T., Author
Hausmann, J., Author
Urlaub, H.1, Author              
Zeuzem, S., Author
Kvasnicka, H. M., Author
Oellerich, T., Author
Farin, H. F., Author
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1Research Group of Bioanalytical Mass Spectrometry, MPI for biophysical chemistry, Max Planck Society, ou_578613              

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 Abstract: Constitutive Wnt activation upon loss of Adenoma polyposis coli (APC) acts as main driver of colorectal cancer (CRC). Targeting Wnt signaling has proven difficult because the pathway is crucial for homeostasis and stem cell renewal. To distinguish oncogenic from physiological Wnt activity, we have performed transcriptome and proteome profiling in isogenic human colon organoids. Culture in the presence or absence of exogenous ligand allowed us to discriminate receptor-mediated signaling from the effects of CRISPR/Cas9-induced APC loss. We could catalog two nonoverlapping molecular signatures that were stable at distinct levels of stimulation. Newly identified markers for normal stem/progenitor cells and adenomas were validated by immunohistochemistry and flow cytometry. We found that oncogenic Wnt signals are associated with good prognosis in tumors of the consensus molecular subtype 2 (CMS2). In contrast, receptor-mediated signaling was linked to CMS4 tumors and poor prognosis. Together, our data represent a valuable resource for biomarkers that allow more precise stratification of Wnt responses in CRC.

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Language(s): eng - English
 Dates: 2019-02-212019-03-04
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1084/jem.20180823
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Title: Journal of Experimental Medicine
Source Genre: Journal
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Pages: 17 Volume / Issue: 216 (3) Sequence Number: 704 Start / End Page: - Identifier: -