Evidence map›Paper›PMID 10444070›Full record

ArticleThe Journal of cell biology1999

Type 3 and type 1 ryanodine receptors are localized in triads of the same mammalian skeletal muscle fibers.

B E Flucher, A Conti, H Takeshima, V Sorrentino

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in The Journal of cell biology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.5field-weighted citation impact, top 11% 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

28 citing papers in PubMed, 72 citations in OpenAlex.

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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

4 authors at 3 institutions in 3 countries.

B E FlucherDepartment of Physiology, University of Innsbruck, A-6020 Innsbruck, Austria. bernhard.e.flucher@uibk.ac.at
A Conti
H Takeshima
V Sorrentino
San Raffaele University of Rome · ITThe University of Tokyo · JPUniversität Innsbruck · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The type 3 ryanodine receptor (RyR3) is a ubiquitous calcium release channel that has recently been found in mammalian skeletal muscles. However, in contrast to the skeletal muscle isoform (RyR1), neither the subcellular distribution nor the physiological role of RyR3 are known. Here, we used isoform-specific antibodies to localize RyR3 in muscles of normal and RyR knockout mice. In normal hind limb and diaphragm muscles of young mice, RyR3 was expressed in all fibers where it was codistributed with RyR1 and with the skeletal muscle dihydropyridine receptor. This distribution pattern indicates that RyR3 is localized in the triadic junctions between the transverse tubules and the sarcoplasmic reticulum. During development, RyR3 expression declined rapidly in some fibers whereas other fibers maintained expression of RyR3 into adulthood. Comparing the distribution of RyR3-containing fibers with that of known fiber types did not show a direct correlation. Targeted deletion of the RyR1 or RyR3 gene resulted in the expected loss of the targeted isoform, but had no adverse effects on the expression and localization of the respective other RyR isoform. The localization of RyR3 in skeletal muscle triads, together with RyR1, is consistent with an accessory function of RyR3 in skeletal muscle excitation-contraction coupling.

Indexed as

AgingAnimalsAnimals, NewbornBlotting, WesternCalcium ChannelsCalcium Channels, L-TypeCalcium-Transporting ATPasesDiaphragmDown-RegulationFluorescent Antibody TechniqueGene DeletionGene Expression Regulation, DevelopmentalHindlimbMiceMice, KnockoutMuscle Fibers, SkeletalCalcium ChannelsCalcium Channels, L-TypeCalcium-Transporting ATPasesMyosin Heavy ChainsProtein IsoformsRyanodine Receptor Calcium Release Channel

Identifiers

PMID10444070
PMCPMC2150550
OpenAlexW2104439919

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.