Evidence map›Paper›PMID 33097721›Full record

ArticleNature communications2020

Sclerostin inhibits Wnt signaling through tandem interaction with two LRP6 ectodomains.

Jinuk Kim, Wonhee Han, Taeyong Park, Eun Jin Kim, Injin Bang, Hyun Sik Lee, Yejin Jeong, Kyeonghwan Roh, Jeesoo Kim, Jong-Seo Kim and 4 more

Erratum issuedAbstract read
In one paragraph

Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

41 citing papers in PubMed.

  1. Review
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  8. Pharmaceutics · 2025
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  17. Cryo-EM structures elucidate the multiligand receptor nature of megalin.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
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  19. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors.

Jinuk KimDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Wonhee HanDepartment of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk, 37673, Republic of Korea.
Taeyong ParkDepartment of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea.
Eun Jin KimDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Injin BangDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Hyun Sik LeeDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Yejin JeongSchool of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
Kyeonghwan RohDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Jeesoo KimDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Jong-Seo KimDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.ORCID http://orcid.org/0000-0002-8909-8440
Chanhee KangDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Chaok SeokDepartment of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea.ORCID http://orcid.org/0000-0002-1419-9888
Jin-Kwan HanDepartment of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk, 37673, Republic of Korea.
Hee-Jung ChoiDepartment of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea. choihj@snu.ac.kr.ORCID http://orcid.org/0000-0002-1167-1526

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Low-density lipoprotein receptor-related protein 6 (LRP6) is a coreceptor of the β-catenin-dependent Wnt signaling pathway. The LRP6 ectodomain binds Wnt proteins, as well as Wnt inhibitors such as sclerostin (SOST), which negatively regulates Wnt signaling in osteocytes. Although LRP6 ectodomain 1 (E1) is known to interact with SOST, several unresolved questions remain, such as the reason why SOST binds to LRP6 E1E2 with higher affinity than to the E1 domain alone. Here, we present the crystal structure of the LRP6 E1E2-SOST complex with two interaction sites in tandem. The unexpected additional binding site was identified between the C-terminus of SOST and the LRP6 E2 domain. This interaction was confirmed by in vitro binding and cell-based signaling assays. Its functional significance was further demonstrated in vivo using Xenopus laevis embryos. Our results provide insights into the inhibitory mechanism of SOST on Wnt signaling.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsbeta CateninBinding SitesCrystallography, X-RayFemaleHEK293 CellsHumansIntercellular Signaling Peptides and ProteinsLow Density Lipoprotein Receptor-Related Protein-6Models, MolecularPeptidesProtein BindingProtein ConformationTranscriptomeWnt ProteinsAdaptor Proteins, Signal Transducingbeta CateninE1E2 peptideIntercellular Signaling Peptides and ProteinsLow Density Lipoprotein Receptor-Related Protein-6LRP6 protein, humanLRP6 protein, XenopusPeptidesSOST protein, humanWnt Proteins

Identifiers

PMID33097721
PMCPMC7585440

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.