Cited by 52Hedgehog Signaling Pathway StudiesGlioma Diagnosis and TreatmentGenetic and Kidney Cyst Diseases

Basal Suppression of the Sonic Hedgehog Pathway by the G-Protein-Coupled Receptor Gpr161 Restricts Medulloblastoma Pathogenesis

Open access
Shimada, Issei S., Hwang, Sun-Hee, Somatilaka, Bandarigoda N., Wang, Xin, Skowron, Patryk, Kim, Jiwoong, Kim, Min, Shelton, John M. +4 more·2018·Cell Reports

Abstract

Sonic hedgehog (Shh) determines cerebellar granule cell (GC) progenitor proliferation and medulloblastoma pathogenesis. However, the pathways regulating GC progenitors during embryogenesis before Shh production by Purkinje neurons and their roles in tumorigenesis remain unclear. The cilium-localized G-protein-coupled receptor Gpr161 suppresses Shh-mediated signaling in the neural tube. Here, by deleting Gpr161 in mouse neural stem cells or GC progenitors, we establish Gpr161 as a tumor suppressor in Shh subtype medulloblastoma. Irrespective of Shh production in the cerebellum, Gpr161 deletion increased downstream activity of the Shh pathway by restricting Gli3-mediated repression, causing more extensive generation and proliferation of GC progenitors. Moreover, earlier deletion of Gpr161 during embryogenesis increased tumor incidence and severity. GC progenitor overproduction during embryogenesis from Gpr161 deletion was cilium dependent, unlike normal development. Low GPR161 expression correlated with poor survival of SHH subtype medulloblastoma patients. Gpr161 restricts GC progenitor production by preventing premature and Shh-dependent pathway activity, highlighting the importance of basal pathway suppression in tumorigenesis.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.celrep.2018.01.018

Cites

46 of 46 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • KIF7 becomes enriched at ciliary tips during Hedgehog pathway activation and acts as both a positive and negative regulator of SHH signalling by modifying ciliary architecture.

    “KIF7, also becomes enriched in ciliary tips during activation of HH signalling 136, 137, where it. functions as both a positive and negative regulator of SHH signalling by modifying ciliary architecture 136, 137.”

    From Cellular signalling by primary cilia in development, organ function and disease (2019) · cites this paper as [137]

    The Introduction discusses cilium-dependent activation and repression of SHH signalling, but does not attribute either role to KIF7. Searches for KIF7, its enrichment at ciliary tips, and its effect on ciliary architecture found no passage addressing those claims; the Discussion instead mentions Kif3a and Gpr161. Page numbers were not available in our copy. (LLM, conf=0.77)

    Experimental — accuracy not yet measured

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

1 of the 47 references couldn’t be matched to a known paper.

Cited by

Sorted by citations

Authors
Shimada, I. S., Hwang, S.-H., Somatilaka, B. N., Wang, X., Skowron, P., Kim, J., Kim, M., Shelton, J. M., Rajaram, V., Xuan, Z., Taylor, M. D., & Mukhopadhyay, S.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • Hospital for Sick Children (CA)
  • The University of Texas at Dallas (US)
Corresponding author
Mukhopadhyay, Saikat
Venue
Cell Reports
Publisher
Elsevier BV
Published
2018-01
Volume
22
Issue
5
Pages
1169-1184
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2787601395
Cited by
52
References
47
Citations by year
2026: 2 · 2025: 3 · 2024: 6 · 2023: 4 · 2022: 4 · 2021: 9 · 2020: 5 · 2019: 15 · 2018: 4
FWCI
2.93
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Cancer Prevention and Research Institute of Texas (R1220)
  • National Institutes of Health (1R01GM113023-01)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Hedgehog Signaling Pathway Studies
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
Keywords
GPR161, Sonic hedgehog signaling, medulloblastoma, tumor suppressor, primary cilia, G protein-coupled receptors, neural stem cells, cerebellar development, Purkinje cells, patient survival
MeSH terms
Animals, Cerebellar Neoplasms, Humans, Medulloblastoma, Mice, Inbred C57BL, Mice, Knockout, Receptors, G-Protein-Coupled, Embryonic Development, Mice, Hedgehog Proteins, Neurogenesis, Neural Stem Cells

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review