Evidence map›Paper›PMID 40028769›Full record

ArticleeLife2025

The Kv2.2 channel mediates the inhibition of prostaglandin E2 on glucose-stimulated insulin secretion in pancreatic β-cells.

Chengfang Pan, Ying Liu, Liangya Wang, Wen-Yong Fan, Yunzhi Ni, Xuefeng Zhang, Di Wu, Chenyang Li, Jin Li, Zhaoyang Li and 2 more

Abstract read
In one paragraph

Article in eLife, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
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

6 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Ion channels and actin: A tale of two friends.Histology and histopathology · 2025
    Review
  6. Article
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

12 authors.

Chengfang Pan *School of Life Sciences, Fudan University, Shanghai, China.
Ying Liu *Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China.
Liangya WangSchool of Life Sciences, Fudan University, Shanghai, China.
Wen-Yong FanSchool of Life Sciences, Fudan University, Shanghai, China.
Yunzhi NiDepartment of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China.
Xuefeng ZhangSchool of Life Sciences, Fudan University, Shanghai, China.
Di WuDepartment of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China.
Chenyang LiSchool of Life Sciences, Fudan University, Shanghai, China.
Jin LiSchool of Life Sciences, Fudan University, Shanghai, China.ORCID https://orcid.org/0000-0002-7957-1476
Zhaoyang LiState Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, and the Institutes of Brain Science, Fudan University, Shanghai, China.ORCID https://orcid.org/0000-0002-0583-1335
Rui LiuDepartment of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China.
Changlong HuSchool of Life Sciences, Fudan University, Shanghai, China.ORCID https://orcid.org/0000-0002-8609-8947

Funding

Brain Science and Brain - Inspired Intelligence Project 2021ZD0201301National Key Research and Development Program of China 2022YFC3602700National Key Research and Development Program of China 2022YFC3602702National Natural Science Foundation of China 31771282National Natural Science Foundation of China 32200797Natural Science Foundation of Shanghai Municipality 23ZR1425900
6 · The paper itself

Abstract

Prostaglandin E2 (PGE2) is an endogenous inhibitor of glucose-stimulated insulin secretion (GSIS) and plays an important role in pancreatic β-cell dysfunction in type 2 diabetes mellitus (T2DM). This study aimed to explore the underlying mechanism by which PGE2 inhibits GSIS. Our results showed that PGE2 inhibited Kv2.2 channels via increasing PKA activity in HEK293T cells overexpressed with Kv2.2 channels. Point mutation analysis demonstrated that S448 residue was responsible for the PKA-dependent modulation of Kv2.2. Furthermore, the inhibitory effect of PGE2 on Kv2.2 was blocked by EP2/4 receptor antagonists, while mimicked by EP2/4 receptor agonists. The immune fluorescence results showed that EP1-4 receptors are expressed in both mouse and human β-cells. In INS-1(832/13) β-cells, PGE2 inhibited voltage-gated potassium currents and electrical activity through EP2/4 receptors and Kv2.2 channels. Knockdown of

Indexed as

DinoprostoneGlucoseInsulinInsulin-Secreting CellsInsulin SecretionShab Potassium ChannelsAnimalsHEK293 CellsHumansMiceDinoprostoneGlucoseInsulinShab Potassium Channelscell biologyglucose-stimulated insulin secretionKv2.2 channelsmouseprostaglandin E2

Identifiers

PMID40028769
PMCPMC11875535

What Socratic holds

Textmetadata
LicenceCC BY
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 Socratic graph.