Evidence map›Paper›PMID 19850954›Full record

ArticleJournal of the American Society of Nephrology : JASN2009

Phosphorylation of nephrin triggers its internalization by raft-mediated endocytosis.

Xiao-Song Qin, Hiroyasu Tsukaguchi, Akemi Shono, Akitsugu Yamamoto, Hidetake Kurihara, Toshio Doi

Abstract read
In one paragraph

Article in Journal of the American Society of Nephrology : JASN, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed
3.3field-weighted citation impact, top 8% 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

68 citing papers in PubMed, 93 citations in OpenAlex.

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  18. Dysregulated Dynein-Mediated Trafficking of Nephrin Causes INF2-related Podocytopathy.Journal of the American Society of Nephrology : JASN · 2021
    Article
  19. Article
  20. Review

8 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

6 authors at 2 institutions in 1 country.

Xiao-Song Qin2nd Department of Internal Medicine, Kansai Medical University, 10-15 Fumizono, Moriguchi, Osaka, Japan.
Hiroyasu Tsukaguchi
Akemi Shono
Akitsugu Yamamoto
Hidetake Kurihara
Toshio Doi
Juntendo University · JPNagahama Institute of Bio-Science and Technology · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Proper localization of nephrin determines integrity of the glomerular slit diaphragm. Slit diaphragm proteins assemble into functional signaling complexes on a raft-based platform, but how the trafficking of these proteins coordinates with their signaling function is unknown. Here, we demonstrate that a raft-mediated endocytic (RME) pathway internalizes nephrin. Nephrin internalization was slower with raft-mediated endocytosis than with classic clathrin-mediated endocytosis. Ultrastructurally, the RME pathway consisted of noncoated invaginations and was dependent on cholesterol and dynamin. Nephrin constituted a stable, signaling-competent microdomain through interaction with Fyn, a Src kinase, and podocin, a scaffold protein. Tyrosine phosphorylation of nephrin triggered its own RME-mediated internalization. Protamine-induced hyperphosphorylation of nephrin led to noncoated invaginations predominating over coated pits. These results demonstrate that an RME pathway couples nephrin internalization to its own signaling, suggesting that RME promotes proper spatiotemporal assembly of slit diaphragms during podocyte development or injury.

Indexed as

AnimalsChlorocebus aethiopsCOS CellsEndocytosisEndosomesHumansIntracellular Signaling Peptides and ProteinsIn Vitro TechniquesKidney GlomerulusL CellsMaleMembrane MicrodomainsMembrane ProteinsMiceMicroscopy, ImmunoelectronModels, BiologicalIntracellular Signaling Peptides and ProteinsMembrane ProteinsnephrinNPHS2 proteinRecombinant Proteins

Identifiers

PMID19850954
PMCPMC2794235
OpenAlexW2096672118

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.