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Propofol attenuated liver transplantation-induced acute lung injury via connexin43 gap junction inhibition

Overview of attention for article published in Journal of Translational Medicine, June 2016
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Title
Propofol attenuated liver transplantation-induced acute lung injury via connexin43 gap junction inhibition
Published in
Journal of Translational Medicine, June 2016
DOI 10.1186/s12967-016-0954-1
Pubmed ID
Authors

Dongdong Yuan, Guangjie Su, Yue Liu, Xinjin Chi, Jiayu Feng, Qianqian Zhu, Jun Cai, Gangjian Luo, Ziqing Hei

Abstract

Postoperative acute lung injury (ALI) is a severe complication after liver transplantation, which influences patient survival rate obviously. However, its mechanisms are unclear and effective therapies are still lacking. The current study focused on effects of propofol on liver transplantation-induced ALI and whether its underlying mechanism was relative with connexin43 (Cx43) alternation. The authors postulated that endotoxin induced enhancement of Cx43 gap junction (GJ) plays a critical role in mediating post liver transplantation ALI and that pretreatment with the anesthetic propofol, known to inhibit gap junction, can confer effective protection. Male Sprague-Dawley rats underwent autologous orthotopic liver transplantation (AOLT) in the absence or presence of treatments with the selective Cx43 inhibitor, enanthol (0.1 mg/kg) and propofol (50 mg/kg), a commonly used anesthetic in clinical anesthesia. In vitro study, BEAS-2B cells, a kind of lung epithelial cell line expressing Cx43, exposed to lipopolysaccharide (LPS), which mainly contributed to ALI. Function of Cx43 GJ was regulated by Cx43 specific inhibitors, gap26 (300 μM) or enhancer, retinoic acid (10 μM) and two specific siRNAs. Compared with the sham group, AOLT results in ALI obviously with plasma endotoxin increase. Cx43 inhibition decreased ALI through inflammatory reaction reduction. In vitro studies, LPS-induced BEAS-2B cells damage was attenuated by Cx43 function inhibition, but amplified by enhancement. Another important finding was propofol reduced Cx43 function and protected against LPS-mediated BEAS-2B cells damage or AOLT-induced ALI, mechanisms of which were also associated with inflammatory reaction decrease. Cx43 plays a vital role in liver transplantation-induced ALI. Propofol decreased Cx43 function and protected against ALI in vivo and in vitro. This finding provide a new basis for targeted intervention of organ protection in liver transplantation, even in other kinds of operations.

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The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

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 %
Researcher 5 26%
Student > Master 4 21%
Student > Postgraduate 3 16%
Student > Bachelor 2 11%
Student > Ph. D. Student 1 5%
Other 0 0%
Unknown 4 21%
Readers by discipline Count As %
Medicine and Dentistry 7 37%
Agricultural and Biological Sciences 3 16%
Business, Management and Accounting 1 5%
Psychology 1 5%
Pharmacology, Toxicology and Pharmaceutical Science 1 5%
Other 0 0%
Unknown 6 32%

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 30 June 2016.
All research outputs
#4,184,689
of 7,971,101 outputs
Outputs from Journal of Translational Medicine
#1,015
of 1,799 outputs
Outputs of similar age
#141,621
of 260,847 outputs
Outputs of similar age from Journal of Translational Medicine
#60
of 104 outputs
Altmetric has tracked 7,971,101 research outputs across all sources so far. This one is in the 27th percentile – i.e., 27% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,799 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.6. This one is in the 12th percentile – i.e., 12% 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 260,847 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 104 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.