Evidence map›Paper›PMID 23532839›Full record

ArticleThe Journal of biological chemistry2013

Calcium-dependent phospholipid scramblase activity of TMEM16 protein family members.

Jun Suzuki, Toshihiro Fujii, Takeshi Imao, Kenji Ishihara, Hiroshi Kuba, Shigekazu Nagata

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 240 papers.

0numbers the graph read from it
0cells of the map it votes in
240citing papers in PubMed
16.6field-weighted citation impact, top 1% 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

240 citing papers in PubMed, 379 citations in OpenAlex.

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180 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.

Jun SuzukiDepartment of Medical Chemistry, Graduate School of Medicine, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan.
Toshihiro Fujii
Takeshi Imao
Kenji Ishihara
Hiroshi Kuba
Shigekazu Nagata
Japan Science and Technology Agency · JPKyoto University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTMEM16A and 16B work as Cl(-) channel, whereas 16F works as phospholipid scramblase. The function of other TMEM16 members is unknown.

resultsUsing TMEM16F(-/-) cells, TMEM16C, 16D, 16F, 16G, and 16J were shown to be lipid scramblases.

conclusionSome TMEM16 members are divided into two Cl(-) channels and five lipid scramblases. SIGNIFICANCE: Learning the biochemical function ofTMEM16family members is essential to understand their physiological role. Asymmetrical distribution of phospholipids between the inner and outer plasma membrane leaflets is disrupted in various biological processes. We recently identified TMEM16F, an eight-transmembrane protein, as a Ca(2+)-dependent phospholipid scramblase that exposes phosphatidylserine (PS) to the cell surface. In this study, we established a mouse lymphocyte cell line with a floxed allele in the TMEM16F gene. When TMEM16F was deleted, these cells failed to expose PS in response to Ca(2+) ionophore, but PS exposure was elicited by Fas ligand treatment. We expressed other TMEM16 proteins in the TMEM16F(-/-) cells and found that not only TMEM16F, but also 16C, 16D, 16G, and 16J work as lipid scramblases with different preference to lipid substrates. On the other hand, a patch clamp analysis in 293T cells indicated that TMEM16A and 16B, but not other family members, acted as Ca(2+)-dependent Cl(-) channels. These results indicated that among 10 TMEM16 family members, 7 members could be divided into two subfamilies, Ca(2+)-dependent Cl(-) channels (16A and 16B) and Ca(2+)-dependent lipid scramblases (16C, 16D, 16F, 16G, and 16J).

Indexed as

Calcium SignalingAnimalsAnoctaminsApoptosisCalcimycinCalcium IonophoresCell LineCell MembraneChlorocebus aethiopsfas ReceptorGene ExpressionGene Knockout TechniquesHumansMembrane PotentialsMiceMolecular Sequence AnnotationANO6 protein, mouseAnoctaminsCalcimycinCalcium IonophoresFas protein, mousefas ReceptorPhosphatidylserinesPhospholipid Transfer ProteinsCalciumCl- ChannelLipid TransportPhosphatidylcholinePhosphatidylserinePhospholipid ScramblasePlasma MembraneTissue-specific ExpressionTMEM16

Identifiers

PMID23532839
PMCPMC3650369
OpenAlexW2130670745

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.