Evidence map›Paper›PMID 23176824›Full record

ArticleAmerican journal of human genetics2012

Mutation in TECPR2 reveals a role for autophagy in hereditary spastic paraparesis.

Danit Oz-Levi, Bruria Ben-Zeev, Elizabeth K Ruzzo, Yuki Hitomi, Amir Gelman, Kimberly Pelak, Yair Anikster, Haike Reznik-Wolf, Ifat Bar-Joseph, Tsviya Olender and 9 more

Registry-linked trialOpen access · bronzeAbstract readCase Reports
In one paragraph

Article in American journal of human genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04485221 (A Natural History Study in Children With a TECPR2 Mutation), which is not on this map. Cited by 84 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
84citing papers in PubMed, 2 pooled it
6.6field-weighted citation impact, top 3% 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.

NCT04485221 completednot on this mapstarted 2021, after this paper: background citation

A Natural History Study in Children With a TECPR2 Mutation

TypeobservationalSponsorUniversity of FloridaRan2021 to 2023Enrolled5ConditionsTECPR2
3 · Its place in the literature

Who cites it

84 citing papers in PubMed, 2 syntheses or guidelines pooled it, 164 citations in OpenAlex.

  1. Guideline
  2. Guideline
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
  14. Review
  15. Review
  16. Epigenetic regulation ofAutophagy · 2024
    Review
  17. Article
  18. Review
  19. Review
  20. Developing antisense oligonucleotides for aMolecular therapy. Nucleic acids · 2022
    Article

24 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

19 authors at 3 institutions in 2 countries.

Danit Oz-LeviDepartment of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel. ozdanit@gmail.com
Bruria Ben-Zeev
Elizabeth K Ruzzo
Yuki Hitomi
Amir Gelman
Kimberly Pelak
Yair Anikster
Haike Reznik-Wolf
Ifat Bar-Joseph
Tsviya Olender
Anna Alkelai
Meira Weiss
Edna Ben-Asher
Dongliang Ge
Kevin V Shianna
Zvulun Elazar
David B Goldstein
Elon Pras
Doron Lancet
Weizmann Institute of Science · ILDuke University · USTel Aviv University · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We studied five individuals from three Jewish Bukharian families affected by an apparently autosomal-recessive form of hereditary spastic paraparesis accompanied by severe intellectual disability, fluctuating central hypoventilation, gastresophageal reflux disease, wake apnea, areflexia, and unique dysmorphic features. Exome sequencing identified one homozygous variant shared among all affected individuals and absent in controls: a 1 bp frameshift TECPR2 deletion leading to a premature stop codon and predicting significant degradation of the protein. TECPR2 has been reported as a positive regulator of autophagy. We thus examined the autophagy-related fate of two key autophagic proteins, SQSTM1 (p62) and MAP1LC3B (LC3), in skin fibroblasts of an affected individual, as compared to a healthy control, and found that both protein levels were decreased and that there was a more pronounced decrease in the lipidated form of LC3 (LC3II). siRNA knockdown of TECPR2 showed similar changes, consistent with aberrant autophagy. Our results are strengthened by the fact that autophagy dysfunction has been implicated in a number of other neurodegenerative diseases. The discovered TECPR2 mutation implicates autophagy, a central intracellular mechanism, in spastic paraparesis.

Indexed as

MutationAutophagyBrainCarrier ProteinsExonsFemaleFibroblastsGenotypeHeLa CellsHumansJewsMagnetic Resonance ImagingMaleNerve Tissue ProteinsNeuroimagingParaparesis, SpasticCarrier ProteinsNerve Tissue ProteinsTECPR2 protein, human

Identifiers

PMID23176824
PMCPMC3516605
OpenAlexW1997281629

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.