Evidence map›Paper›PMID 19620182›Full record

ArticleHuman molecular genetics2009

The hereditary spastic paraplegia proteins NIPA1, spastin and spartin are inhibitors of mammalian BMP signalling.

Hilda T H Tsang, Thomas L Edwards, Xinnan Wang, James W Connell, Rachel J Davies, Hannah J Durrington, Cahir J O'Kane, J Paul Luzio, Evan Reid

Open access · greenAbstract read
In one paragraph

Article in Human molecular genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
4.4field-weighted citation impact, top 4% of its field
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

66 citing papers in PubMed, 146 citations in OpenAlex.

  1. Article
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  8. Effect of recombinant human fibroblast growth factor 21 on the mineralization of cementoblasts and its related mechanism.Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2023
    Article
  9. Article
  10. Hereditary Spastic Paraplegia: An Update.International journal of molecular sciences · 2022
    Review
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  12. Article
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  15. Methylation as a critical epigenetic process during tumor progressions among Iranian population: an overview.Genes and environment : the official journal of the Japanese Environmental Mutagen Society · 2021
    Review
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  18. Article
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6 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

Hilda T H TsangCambridge Institute for Medical Research, Addenbrooke's Hospital, UK.
Thomas L Edwards
Xinnan Wang
James W Connell
Rachel J Davies
Hannah J Durrington
Cahir J O'Kane
J Paul Luzio
Evan Reid
Addenbrooke's Hospital · GBUniversity of Cambridge · GB

Funding

Medical Research Council G9310915Wellcome Trust 079895Wellcome Trust 082381
6 · The paper itself

Abstract

The hereditary spastic paraplegias (HSPs) are genetic conditions characterized by distal axonopathy of the longest corticospinal tract axons, and so their study provides an important opportunity to understand mechanisms involved in axonal maintenance and degeneration. A group of HSP genes encode proteins that localize to endosomes. One of these is NIPA1 (non-imprinted in Prader-Willi/Angelman syndrome 1) and we have shown recently that its Drosophila homologue spichthyin inhibits bone morphogenic protein (BMP) signalling, although the relevance of this finding to the mammalian protein was not known. We show here that mammalian NIPA1 is also an inhibitor of BMP signalling. NIPA1 physically interacts with the type II BMP receptor (BMPRII) and we demonstrate that this interaction does not require the cytoplasmic tail of BMPRII. We show that the mechanism by which NIPA1 inhibits BMP signalling involves downregulation of BMP receptors by promoting their endocytosis and lysosomal degradation. Disease-associated mutant versions of NIPA1 alter the trafficking of BMPRII and are less efficient at promoting BMPRII degradation than wild-type NIPA1. In addition, we demonstrate that two other members of the endosomal group of HSP proteins, spastin and spartin, are inhibitors of BMP signalling. Since BMP signalling is important for distal axonal function, we propose that dysregulation of BMP signalling could be a unifying pathological component in this endosomal group of HSPs, and perhaps of importance in other conditions in which distal axonal degeneration is found.

Indexed as

Signal TransductionAdaptor Proteins, Signal TransducingAdenosine TriphosphatasesBone Morphogenetic Protein Receptors, Type IIBone Morphogenetic ProteinsCell CycleCell Cycle ProteinsCell LineCell MembraneEndosomesHumansNeuronsNuclear ProteinsProtein BindingProteinsSpastic Paraplegia, HereditaryAdaptor Proteins, Signal TransducingAdenosine TriphosphatasesBone Morphogenetic Protein Receptors, Type IIBone Morphogenetic ProteinsCell Cycle ProteinsNuclear ProteinsProteinsSPART protein, humanSpastinSPAST protein, humanZC3HC1 protein, human

Identifiers

PMID19620182
PMCPMC2748891
OpenAlexW2133361341

What OpenQuestion holds

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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.