Evidence map›Paper›PMID 26391754›Full record

ArticleAutophagy2015

Elevated autophagy gene expression in adipose tissue of obese humans: A potential non-cell-cycle-dependent function of E2F1.

Yulia Haim, Matthias Blüher, Noa Slutsky, Nir Goldstein, Nora Klöting, Ilana Harman-Boehm, Boris Kirshtein, Doron Ginsberg, Martin Gericke, Esther Guiu Jurado and 7 more

Open access · bronzeAbstract read
In one paragraph

Article in Autophagy, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed, 2 pooled it
7.0field-weighted citation impact, top 2% 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

70 citing papers in PubMed, 2 syntheses or guidelines pooled it, 109 citations in OpenAlex.

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10 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

17 authors at 3 institutions in 3 countries.

Yulia Haima Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Matthias Blüherb Department of Medicine ; University of Leipzig ; Leipzig , Germany.
Noa Slutskya Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Nir Goldsteina Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Nora Klötingb Department of Medicine ; University of Leipzig ; Leipzig , Germany.
Ilana Harman-Boehmc Soroka Academic Medical Center and Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Boris Kirshteinc Soroka Academic Medical Center and Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Doron Ginsbergd The Mina and Everard Goodman Faculty of Life Science; Bar-Ilan University ; Ramat Gan , Israel.
Martin Gerickee Institute of Anatomy; University of Leipzig ; Leipzig , Germany.
Esther Guiu Juradob Department of Medicine ; University of Leipzig ; Leipzig , Germany.
Julia Kovsana Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Tanya Tarnovsckia Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Leonid Kachkoc Soroka Academic Medical Center and Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Nava Bashana Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Yiftach Gepnerf Department of Epidemiology ; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Iris Shaif Department of Epidemiology ; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Assaf Rudicha Department of Clinical Biochemistry and Pharmacology ; Faculty of Health Sciences; Ben-Gurion University of the Negev ; Beer-Sheva , Israel.
Ben-Gurion University of the Negev · ILLeipzig University · DEBar-Ilan University · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Autophagy genes' expression is upregulated in visceral fat in human obesity, associating with obesity-related cardio-metabolic risk. E2F1 (E2F transcription factor 1) was shown in cancer cells to transcriptionally regulate autophagy. We hypothesize that E2F1 regulates adipocyte autophagy in obesity, associating with endocrine/metabolic dysfunction, thereby, representing non-cell-cycle function of this transcription factor. E2F1 protein (N=69) and mRNA (N=437) were elevated in visceral fat of obese humans, correlating with increased expression of ATG5 (autophagy-related 5), MAP1LC3B/LC3B (microtubule-associated protein 1 light chain 3 β), but not with proliferation/cell-cycle markers. Elevated E2F1 mainly characterized the adipocyte fraction, whereas MKI67 (marker of proliferation Ki-67) was elevated in the stromal-vascular fraction of adipose tissue. In human visceral fat explants, chromatin-immunoprecipitation revealed body mass index (BMI)-correlated increase in E2F1 binding to the promoter of MAP1LC3B, but not to the classical cell cycle E2F1 target, CCND1 (cyclin D1). Clinically, omental fat E2F1 expression correlated with insulin resistance, circulating free-fatty-acids (FFA), and with decreased circulating ADIPOQ/adiponectin, associations attenuated by adjustment for autophagy genes. Overexpression of E2F1 in HEK293 cells enhanced promoter activity of several autophagy genes and autophagic flux, and sensitized to further activation of autophagy by TNF. Conversely, mouse embryonic fibroblast (MEF)-derived adipocytes from e2f1 knockout mice (e2f1

Indexed as

adipose tissueautophagyE2F1obesitystress responsetranscriptional regulation

Identifiers

PMID26391754
PMCPMC4824599
OpenAlexW2111990033

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.