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Carbon Tetrachloride - Europe PMC

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Last Updated: 10 September 2022

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Regulating Nrf2-GPx4 axis by bicyclol can prevent ferroptosis in carbon tetrachloride-induced acute liver injury in mice.

Ferroptosis has recently been implicated in carbon tetrachloride-induced ALI. In CCl 4 -injured mice, bicyclol, a Chinese-specific hepatoprotectant, and ferroptosis-specific inhibitor ferrostatin-1 were administered. To delineate the route of bicyclol against ferroptosis in vitro, wetachyone perfected with glutathione perfected L-O2 hepatocytes treated with glutathione perfected with either numeric factor erythroid 2-related factor 2 siRNA. coli 4 caused iron accumulation, elevated reactive oxygen species manufacture, improved lipid peroxidation, and typical morphological changes in mitochondria, as well as a decrease in ali mice liver xCT protein levels, which were usually observed in ferroptosis. Ferroptosis is responsible for liver damage, according to the use of Fer-1. In addition, Nrf2 silencing drastically reduced GPx4 levels, greatly reducing GPx4 numbers, and even stymied bicyclol's medicinal effects. In summary, positively regulating the Nrf2-GPx4 axis by bicyclol can reduce ferroptosis in mouse coli 4-induced ALI.

Source link: https://europepmc.org/article/MED/36071041


Effect of the degradation performance on carbon tetrachloride by anaerobic co-metabolism under different external energy sources.

In addition, microbial community structure and biostatistics analysis indicated that Pseudomonas was the most active dechlorination bacteria in ACM reactors, which could have been responsible for CT's transformation. The absence of hydrogen in CT treatment could be exacerbated by the proliferation of methanogenic bacteria. The following methanogenic bacteria continued to show that CT degradation using co-digestion requires to destroy hydrogenotrophic methane production pathway and the external energy compounds can be used to correct CT decay using co-digestion. The evolution of intermediate products indicated that the dechlorination process of CT in an ACM reactor was a sequential dechlorination process, with major transformation products measured being CF. Overall, this research has increased our knowledge of the roles of the CT degradation reaction in ACM reactors.

Source link: https://europepmc.org/article/MED/36055587


Olmesartan Improves Hepatic Sinusoidal Remodeling in Mice with Carbon Tetrachloride-Induced Liver Fibrosis.

The effects of olmesartan on intrahepatic angiogenesis and sinusoidal remodeling will be determined in mice with liver fibrosis caused by carbon tetrachloride. Methods We established a mouse model of liver fibrosis by injecting CCl 4 into the peritoneal cavity. The extent of liver fibrosis in the animals was determined by using Sirius red and Masson trichrome staining. Using western blotting, Olmesartan's effect on the angiotensin II type 1 receptor and the VEGF receptor was determined. Olmesartan reduced CCl 4 -induced inflammation cell infiltration and collagen deposition to relieve liver fibrosis. The serum of PDGF, VEGF, and angiotensin II were reduced in fibrotic mice by olmesartan therapy, but it raised the level of IL-10. Moreover, olmesartan reduced the expression of VEGFR-1, VEGFR-2, and AT1R in comparison to CCl 4 -induced liver fibrosis. Conclusions According to our results, olmesartan reduces angiogenesis and promotes hepatic sinusoidal remodeling in mice with CCl 4 induced fibrosis.

Source link: https://europepmc.org/article/MED/36060127


Constructing Ni 4 /Fe@Fe 3 O 4 -g-C 3 N 4 nanocomposites for highly efficient degradation of carbon tetrachloride from aqueous solution.

Hydrogenization catalytic hydrodechlorination is one of the most effective removal methods for chlorinated organic pollutants. In this research, Ni 4 /Fe@Fe 3 O 4 g-C 3 nanocomposites were synthesized for carbon tetrachloride removal and characterized by SEM, XPS, and FTIR. In addition, the C and N groups of g-C 3 N 4 also enhanced CT's catalytic dechlorination by providing binding locations. NFFOCN could effectively eliminate CT over a wide initial pH range of 3-9, according to the experimental results, and the CT removal Efficacy reached 94 percent after 35 min with just 0. 15 g/L of NFFOCN at pH 5. In addition, excellent sequential CT removal by NFFOCN nanocomposites was discovered, and the CT removal rate was 77. 3 percent after four cycles. Moreover, the key factors in CT removal, according to Ni 0, were the immediate reduction of nZVI, adsorption, and hydrodechlorination of CT by Ni 0 using H2.

Source link: https://europepmc.org/article/MED/36037964


N-doped biochar-catalyzed dechlorination of carbon tetrachloride in sulfide-containing aqueous solutions: Performances, mechanisms and pathways.

The alfalfa-based N-BC pyrolyzed at various temperatures is capable of catalyzing carbon tetrachloride dechlorination in sulfide-containing aqueous solutions under typical environmental pH range, with Cl, trichloromethane, CS 2 and HCO 3 as predominant products, according to this report. Sulfide's high water matrix was favorable to catalytic CT dechlorination, according to the N-BC, while the higher pH value or higher dose of sulfide or N-BC was helpful to catalytic CT dechlorination. It was the first time that N-BC had been shown to be able to catalyze the hydrogenolysis process of CT dechlorination.

Source link: https://europepmc.org/article/MED/36027765


Tibetan Medicine Shi-Wei-Gan-Ning-San Alleviates Carbon Tetrachloride-Induced Chronic Liver Injury by Inhibiting TGF- β 1 in Wistar Rats.

Methods of Chronic liver disease In Wistar rats, oral administration of carbon tetrachloride causes chronic liver disease. In a climate of H 2 O 2, In vitro experiments were carried out to investigate Crocin's protective effect on BRL-3A. SWGNS decreased CCl 4-induced alanine aminotransferase, total bilirubin, total bilirubin, aspartate aminotransferase, total bilirubin, total bilirubin, aspartate aminotransferase, total bilirubin, and u03b3 -glutamyltransferase, aspartate aminotransferase, assayse, assays ase-induced alanine aminotransferase, assayse, bilirubin, biliase, total bilirubin, assay assayse, assay assayse, aspartitase, assay, assay aspartitase, aspartate aminotransferase, Also, SWNGS reduced the cellular expression of tGF-u03b1-1, hyaluronic acid, laminin, and collagen IV in serum and reduced the tissue expression of u03b1 -SMA. The damaging effects of H 2 O 2 on BRL-3A were minimized by Crocin. SWGNS reduced CCl 4 -associated chronic liver injury by reducing the TGF-u03b2 1 pathway in conclusion. Traditional Tibetan medicine is still a key component of clinical education, with this play a key role.

Source link: https://europepmc.org/article/MED/36016677


Hepatoprotective activity of Chhit-Chan-Than extract powder against carbon tetrachloride-induced liver injury in rats

In vivo, the ability of Chhit-Chan-Than extract powder to shield against carbon tetrachloride-induced oxidative stress and hepatotoxicity was investigated. The Wistar rats were divided into five groups and were divided into five groups. CCTEP is shown to reduce the liver inflammation and fibrosis caused by repeated CCl4 administration, and its hepatoprotective results may be partially related to its antioxidant and free radical scavenging activity, as shown by the above results.

Source link: https://europepmc.org/article/MED/PMC9359327


Modulation of miR-192/NF-κB/ TGF-β/ E-cadherin by thymoquinone protects against diethylnitrosamine /carbon tetrachloride hepatotoxicity.

Thirty adult male rats were divided into three groups — the control group. Experimental HCC is caused by intraperitoneal injection of diethylnitrosamine, followed by carbon tetrachloride. Thymoquinone 20 mg kg-1/oral supplementation from the model inception to the end of the 8th week is the subject of this publication. In the HCC group, elevated tumor necrosis factor and interleukin /NF-u03b21 were found, as well as elevated liver miR-192 and E-cadherin expressions, as well as elevated tumor necrosis factor, interleukin /NF-u03b21. Thymoquinone therapy saved the rats livers from hepatic tumorigenesis. Thymoquinone raised cell apoptosis markers Bax/Bcl2 and reduced cellular atypia. Pearson's tests showed a positive correlation between miR-192 expression and E-cadherin and Bax/Bcl2 as well, and it was negatively connected to alpha-fetropetoprotein, NF-etoutbaB, TGF-u03b2 and the cell atypia score, according to alpha-fetin, NF-u03baB, TGF-u03baB and TGF-u03b2 and Pearson's correlations a correlations showed correlated to B2 and E-192 expression and B, B1-B and Bcl2 and E-baB and Bcl2 and B and TGF-baB and TGF-u03baB and TGF-bbaB and TGF-u03b2 and TGF-u03b2 and TGF-u03b2 and aB and TGF-u03baB and TGF-baB and TGF-u03baB and TGF-u03baB and TGF In conclusion, thymoquinone covered the liver tissues by preserving miR-192 and E-cadherin and aborting NF-u03b2 signaling. The latest findings reveal a new role for thymoquinone in preventing hepatic tumor formation.

Source link: https://europepmc.org/article/MED/36001412

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions