Evidence map›Paper›PMID 31773373›Full record

ArticleNeurochemical research2020

Mitophagy in the Hippocampus Is Excessive Activated After Cardiac Arrest and Cardiopulmonary Resuscitation.

Yang Huang, Xuhui Gao, Xiang Zhou, Biao Xie, Yu Zhang, Jian Zhu, ShuiBo Zhu

Abstract read
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In one paragraph

Article in Neurochemical research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.4field-weighted citation impact, top 19% 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

19 citing papers in PubMed, 28 citations in OpenAlex.

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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

7 authors at 3 institutions in 1 country.

Yang HuangSouthern Medical University, Guangzhou, China.
Xuhui GaoDepartment of Thoracic Cardiovascular Surgery, General Hospital of Central Theater Command, Wuluo Road, 627#, Wuhan, 430070, Hubei, China.
Xiang ZhouDepartment of Anesthesiology, General Hospital of Central Theater Command, Wuhan, China.
Biao XieSouthern Medical University, Guangzhou, China.
Yu ZhangDepartment of Thoracic Cardiovascular Surgery, General Hospital of Central Theater Command, Wuluo Road, 627#, Wuhan, 430070, Hubei, China.
Jian ZhuDepartment of Thoracic Cardiovascular Surgery, General Hospital of Central Theater Command, Wuluo Road, 627#, Wuhan, 430070, Hubei, China.
ShuiBo ZhuSouthern Medical University, Guangzhou, China. whzyyzsb@126.com.
Central Hospital of Wuhan · CNGeneral Hospital of Central Theater CommandSouthern Medical University · CN

Funding

National Natural Science Foundation of China 81471831
6 · The paper itself

Abstract

This study examined the activation of mitophagy following cardiac arrest (CA) and cardiopulmonary resuscitation (CPR) and the relationship between the change with time and apoptosis. MAIN

methodsThe male Sprague-Dawley rats were randomized into four groups: Sham group, CPR24h group, CPR48h group, CPR72h group. The rat model of cardiac arrest was established by asphyxiation. We employed western blot to analyze the levels of mitophagy related proteins of hippocampus, JC-1 to detect mitochondrial membrane potential (MMP) and flow cytometry to measure the rate of apoptosis of hippocampal neurons. Moreover, we also intuitively observed the occurrence of mitophagy through electron microscopy. KEY

findingsThe results showed that the levels of TOMM20 and Tim23 protein were significantly decreased after CPR, which were more remarkable following 72 h of CPR. However, the protein levels of dynamin related protein 1 (Drp1) and cytochrome C (Cyt-c) were strongly up-regulated after CPR. Meanwhile, the hippocampal MMP decreased gradually with time after CPR. Furthermore, we more intuitively verified the activation of mitophagy through electron microscopy. In addition, the rats of apoptosis rate of hippocampus after CPR were significantly increased, which were gradually enhanced over time from 24 h until at least 72 h following CPR. SIGNIFICANCE: with the enhancement of mitophagy, the apoptosis of hippocampal neurons was gradually enhanced, which suggested mitophagy may be excessive activated and aggravating brain damage after CA and CPR.

Indexed as

AnimalsApoptosisCardiopulmonary ResuscitationHeart ArrestHippocampusMaleMembrane Potential, MitochondrialMembrane ProteinsMitochondriaMitophagyRats, Sprague-DawleyMembrane ProteinsApoptosisCardiac arrestCardiopulmonary resuscitationHippocampusIschemic reperfusion injuryMitophagy

Identifiers

PMID31773373
OpenAlexW2990456709

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.