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CD38 Causes Autophagic Flux Inhibition and Cardiac Dysfunction Through a Transcriptional Inhibition Pathway Under Hypoxia/Ischemia Conditions

Overview of attention for article published in Frontiers in Cell and Developmental Biology, April 2020
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Title
CD38 Causes Autophagic Flux Inhibition and Cardiac Dysfunction Through a Transcriptional Inhibition Pathway Under Hypoxia/Ischemia Conditions
Published in
Frontiers in Cell and Developmental Biology, April 2020
DOI 10.3389/fcell.2020.00191
Pubmed ID
Authors

Xingyue Zhang, Lingfei Li, Qiong Zhang, Qinglin Wei, Jiezhi Lin, Jiezhi Jia, Junhui Zhang, Tiantian Yan, Yanling Lv, Xupin Jiang, Peng Zhang, Huapei Song, Dongxia Zhang, Yuesheng Huang

Abstract

Induced autophagy is protective against myocardial hypoxia/ischemia (H/I) injury, but evidence regarding the extent of autophagic clearance under H/I and the molecular mechanisms that influence autophagic flux has scarcely been presented. Here, we report that CD38 knockout improved cardiac function and autophagic flux in CD38-/- mice and CD38-/- neonatal cardiomyocytes (CMs) under H/I conditions. Mechanistic studies demonstrated that overexpression of CD38 specifically downregulated the expression of Rab7 and its adaptor protein pleckstrin homology domain-containing protein family member 1 (PLEKHM1) through nicotinamide adenine dinucleotide (NAD)-dependent and non-NAD-dependent pathways, respectively. Loss of Rab7/PLEKHM1 impaired the fusion of autophagosomes and lysosomes, resulting in autophagosome accumulation in the myocardium and consequent cardiac dysfunction under H/I conditions. Thus, CD38 mediated autophagic flux blockade and cardiac dysfunction in a Rab7/PLEKHM1-dependent manner. These findings suggest a potential therapeutic strategy involving targeted suppression of CD38 expression.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 19 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 4 21%
Student > Ph. D. Student 3 16%
Researcher 3 16%
Other 2 11%
Student > Master 1 5%
Other 3 16%
Unknown 3 16%
Readers by discipline Count As %
Medicine and Dentistry 6 32%
Pharmacology, Toxicology and Pharmaceutical Science 3 16%
Biochemistry, Genetics and Molecular Biology 2 11%
Immunology and Microbiology 1 5%
Chemistry 1 5%
Other 0 0%
Unknown 6 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 May 2020.
All research outputs
#18,719,497
of 23,202,641 outputs
Outputs from Frontiers in Cell and Developmental Biology
#5,088
of 9,241 outputs
Outputs of similar age
#281,496
of 374,194 outputs
Outputs of similar age from Frontiers in Cell and Developmental Biology
#171
of 275 outputs
Altmetric has tracked 23,202,641 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 9,241 research outputs from this source. They receive a mean Attention Score of 3.4. This one is in the 32nd percentile – i.e., 32% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 374,194 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 275 others from the same source and published within six weeks on either side of this one. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.