Protein associated with SMAD1 (PAWS1/FAM83G) is a substrate for type I bone morphogenetic protein receptors and modulates bone morphogenetic protein signalling

Janis Vogt, Kevin S. Dingwell, Lina Herhaus, Robert Gourlay, Thomas Macartney, David Campbell, James C. Smith, Gopal P. Sapkota (Lead / Corresponding author)

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Abstract

Bone morphogenetic proteins (BMPs) control multiple cellular processes in embryos and adult tissues. BMPs signal through the activation of type I BMP receptor kinases, which then phosphorylate SMADs 1/5/8. In the canonical pathway, this triggers the association of these SMADs with SMAD4 and their translocation to the nucleus, where they regulate gene expression. BMPs can also signal independently of SMAD4, but this pathway is poorly understood. Here, we report the discovery and characterization of PAWS1/FAM83G as a novel SMAD1 interactor. PAWS1 forms a complex with SMAD1 in a SMAD4-independent manner, and BMP signalling induces the phosphorylation of PAWS1 through BMPR1A. The phosphorylation of PAWS1 in response to BMP is essential for activation of the SMAD4-independent BMP target genes NEDD9 and ASNS. Our findings identify PAWS1 as the first non-SMAD substrate for type I BMP receptor kinases and as a novel player in the BMP pathway. We also demonstrate that PAWS1 regulates the expression of several non-BMP target genes, suggesting roles for PAWS1 beyond the BMP pathway.
Original languageEnglish
Article number130210
Number of pages13
JournalOpen Biology
Volume4
DOIs
Publication statusPublished - Feb 2014

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Type I Bone Morphogenetic Protein Receptors
Bone Morphogenetic Proteins
Substrates
Proteins
Phosphorylation
Protein Kinases
Phosphotransferases
Genes
Chemical activation
Gene expression
Embryonic Structures
Association reactions
Tissue
Gene Expression

Cite this

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title = "Protein associated with SMAD1 (PAWS1/FAM83G) is a substrate for type I bone morphogenetic protein receptors and modulates bone morphogenetic protein signalling",
abstract = "Bone morphogenetic proteins (BMPs) control multiple cellular processes in embryos and adult tissues. BMPs signal through the activation of type I BMP receptor kinases, which then phosphorylate SMADs 1/5/8. In the canonical pathway, this triggers the association of these SMADs with SMAD4 and their translocation to the nucleus, where they regulate gene expression. BMPs can also signal independently of SMAD4, but this pathway is poorly understood. Here, we report the discovery and characterization of PAWS1/FAM83G as a novel SMAD1 interactor. PAWS1 forms a complex with SMAD1 in a SMAD4-independent manner, and BMP signalling induces the phosphorylation of PAWS1 through BMPR1A. The phosphorylation of PAWS1 in response to BMP is essential for activation of the SMAD4-independent BMP target genes NEDD9 and ASNS. Our findings identify PAWS1 as the first non-SMAD substrate for type I BMP receptor kinases and as a novel player in the BMP pathway. We also demonstrate that PAWS1 regulates the expression of several non-BMP target genes, suggesting roles for PAWS1 beyond the BMP pathway.",
author = "Janis Vogt and Dingwell, {Kevin S.} and Lina Herhaus and Robert Gourlay and Thomas Macartney and David Campbell and Smith, {James C.} and Sapkota, {Gopal P.}",
year = "2014",
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language = "English",
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journal = "Open Biology",
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publisher = "The Royal Society",

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Protein associated with SMAD1 (PAWS1/FAM83G) is a substrate for type I bone morphogenetic protein receptors and modulates bone morphogenetic protein signalling. / Vogt, Janis; Dingwell, Kevin S.; Herhaus, Lina; Gourlay, Robert; Macartney, Thomas; Campbell, David; Smith, James C.; Sapkota, Gopal P. (Lead / Corresponding author).

In: Open Biology, Vol. 4, 130210, 02.2014.

Research output: Contribution to journalArticle

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AU - Dingwell, Kevin S.

AU - Herhaus, Lina

AU - Gourlay, Robert

AU - Macartney, Thomas

AU - Campbell, David

AU - Smith, James C.

AU - Sapkota, Gopal P.

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AB - Bone morphogenetic proteins (BMPs) control multiple cellular processes in embryos and adult tissues. BMPs signal through the activation of type I BMP receptor kinases, which then phosphorylate SMADs 1/5/8. In the canonical pathway, this triggers the association of these SMADs with SMAD4 and their translocation to the nucleus, where they regulate gene expression. BMPs can also signal independently of SMAD4, but this pathway is poorly understood. Here, we report the discovery and characterization of PAWS1/FAM83G as a novel SMAD1 interactor. PAWS1 forms a complex with SMAD1 in a SMAD4-independent manner, and BMP signalling induces the phosphorylation of PAWS1 through BMPR1A. The phosphorylation of PAWS1 in response to BMP is essential for activation of the SMAD4-independent BMP target genes NEDD9 and ASNS. Our findings identify PAWS1 as the first non-SMAD substrate for type I BMP receptor kinases and as a novel player in the BMP pathway. We also demonstrate that PAWS1 regulates the expression of several non-BMP target genes, suggesting roles for PAWS1 beyond the BMP pathway.

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