Evidence map›Paper›PMID 30062051›Full record

ArticleCell death discovery2018

Autophagy activation contributes to lipid accumulation in tubular epithelial cells during kidney fibrosis.

Qi Yan, Yuan Song, Lu Zhang, Zhaowei Chen, Cheng Yang, Shan Liu, Xiaohan Yuan, Hongyu Gao, Guohua Ding, Huiming Wang

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Cell death discovery, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
5.2field-weighted citation impact, top 4% 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

38 citing papers in PubMed, 1 synthesis or guideline pooled it, 72 citations in OpenAlex.

  1. Lipid homeostasis in diabetic kidney disease.International journal of biological sciences · 2024
    Pooled it
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  17. Cell lipid biology in infections: an overview.Frontiers in cellular and infection microbiology · 2023
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 5 institutions in 1 country.

Qi Yan1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Yuan Song1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Lu Zhang1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Zhaowei Chen1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Cheng Yang1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Shan Liu3Department of Nephrology, University Hospital of Hubei University for Nationalities, Enshi, China.
Xiaohan Yuan1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Hongyu Gao2Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Guohua Ding1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Huiming Wang1Department of Nephrology, Renmin hospital of Wuhan University, Wuhan, China.
Wuhan University · CNRenmin Hospital of Wuhan University · CNHuazhong University of Science and Technology · CNHubei University for Nationalities · CNTongji Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sustained activation of autophagy and lipid accumulation in tubular epithelial cells (TECs) are both associated with the kidney fibrosis progression. Autophagy has been found involved in the lipid metabolism regulation through a bi-directional mechanism of inducing lipolysis as well as promoting lipid droplet formation. However, whether and how autophagy influences lipid accumulation in kidney fibrosis remain unclear. In the current study, we show that UUO-induced lipid accumulation in tubular cells was significantly reduced when the pharmacological inhibitor 3-MA or CQ was administrated both in vivo and in vitro. Of interest, colocalization of LDs and autophagosomes, as well as colocalization of LDs and lysosomes were undetected in UUO-induced fibrotic kidneys, although lysosome function remained robust, indicating the lipid accumulation is lipophagy-lysosome pathway independent. TGF-β1-induced lipid droplets formation in HK-2 cells were decreased when the Beclin-1 expression was silenced, implying that autophagy-upregulated lipid droplets formation is Beclin-1 dependent. Finally, CQ treatment of UUO-induced fibrotic kidneys reduced the expression of α-SMA and tubular cell apoptosis and rescued the expression of E-cadherin, which was associated with the ameliorated lipid deposition. Therefore, our work documented that autophagy promotes lipid droplet formation in TECs in a Beclin-1-dependent manner, which causes renal lipotoxicity and contributes to the progression of kidney fibrosis.

Identifiers

PMID30062051
PMCPMC6060103
OpenAlexW2810337804

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.