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Source: Biochemical Pharmacology
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Total 204 results found since Jan 2013.
Melatonin inhibits angiotensin II-induced atrial fibrillation through preventing degradation of Ang II Type I Receptor-Associated Protein (ATRAP)
In this study, Ang II was used to induce AF, and AF inducibility and duration were documented telemetrically. Ang II-infused mice had a higher AF incidence, which was associated with atrial fibrosis, inflammation, and oxidative stress. Melatonin partially inhibited these effects, and enforced expression of siRNA-ATRAP in atria counteracted the beneficial role of melatonin. Specifically, melatonin inhibited expression of Ang II-induced proteasome and immunoproteasome subunits β2, β2i, β5, and β5i as well as their corresponding trypsin-like and chymotrypsin-like activities and blocked ATRAP degradation. In turn, this inh...
Source: Biochemical Pharmacology - June 16, 2022 Category: Drugs & Pharmacology Authors: Xin Xie Ting-Ting Shen Hai-Lian Bi Zhuo-Lin Su Zi-Qi Liao Ying Zhang Lei Shi Yun-Long Xia Source Type: research
Resolvin D3 improves the impairment of insulin signaling in skeletal muscle and nonalcoholic fatty liver disease through AMPK/autophagy-associated attenuation of ER stress
Biochem Pharmacol. 2022 Aug 7:115203. doi: 10.1016/j.bcp.2022.115203. Online ahead of print.ABSTRACTResolvin D3 (RD3), an endogenous lipid mediator derived from omega-3 fatty acids, has been documented to attenuate inflammation in various disease models. Although it has been reported that omega-3 fatty acids attenuate metabolic disorders, the roles of RD3 in insulin signaling in skeletal muscle and hepatic lipid metabolism remain unclear. In the current study, we examined the role of RD3 in skeletal muscle insulin resistance and hepatic steatosis using in vitro and in vivo obesity models. In mouse primary hepatocytes, RD3 ...
Source: Biochemical Pharmacology - August 10, 2022 Category: Drugs & Pharmacology Authors: Heeseung Oh Wonjun Cho A M Abd El-Aty Cemil Bayram Ji Hoon Jeong Tae Woo Jung Source Type: research
Heat shock protein 90 inhibitor 17-AAG down-regulates thymidine phosphorylase expression and potentiates the cytotoxic effect of tamoxifen and erlotinib in human lung squamous carcinoma cells
Biochem Pharmacol. 2022 Aug 9:115207. doi: 10.1016/j.bcp.2022.115207. Online ahead of print.ABSTRACTElevated thymidine phosphorylase (TP) levels, a key enzyme in the pyrimidine nucleoside salvage pathway, in cancer cells, are related to a poor prognosis in a variety of cancers. Heat shock protein 90 (Hsp90) is a ubiquitous molecular chaperone that is involved in the stabilization and maturation of many oncogenic proteins. The aim of this study is to elucidate whether Hsp90 inhibitor 17-AAG could enhance tamoxifen- and erlotinib-induced cytotoxicity in nonsmall cell lung cancer (NSCLC) cells via modulating TP expression in ...
Source: Biochemical Pharmacology - August 12, 2022 Category: Drugs & Pharmacology Authors: Jen-Chung Ko Jyh-Cheng Chen Jou-Min Hsieh Pei-Yu Tseng Chen-Shan Chiang Li-Ling Liu Chin-Cheng Chien I-Hsiang Huang Qiao-Zhen Chang Bo-Cheng Mu Yun-Wei Lin Source Type: research
Resolvin D3 improves the impairment of insulin signaling in skeletal muscle and nonalcoholic fatty liver disease through AMPK/autophagy-associated attenuation of ER stress
Biochem Pharmacol. 2022 Aug 7;203:115203. doi: 10.1016/j.bcp.2022.115203. Online ahead of print.ABSTRACTResolvin D3 (RD3), an endogenous lipid mediator derived from omega-3 fatty acids, has been documented to attenuate inflammation in various disease models. Although it has been reported that omega-3 fatty acids attenuate metabolic disorders, the roles of RD3 in insulin signaling in skeletal muscle and hepatic lipid metabolism remain unclear. In the current study, we examined the role of RD3 in skeletal muscle insulin resistance and hepatic steatosis using in vitro and in vivo obesity models. In mouse primary hepatocytes, ...
Source: Biochemical Pharmacology - August 10, 2022 Category: Drugs & Pharmacology Authors: Heeseung Oh Wonjun Cho A M Abd El-Aty Cemil Bayram Ji Hoon Jeong Tae Woo Jung Source Type: research
Positive programming of the GC-IGF1 axis mediates adult osteoporosis susceptibility in male offspring rats induced by prenatal dexamethasone exposure
In conclusion, PDE-induced intrauterine hypoglucocorticoid exposure could positively program IGF1 expression in bone tissue through the GRα/miR-130a-5p/HDAC4 pathways, thus mediating osteogenic dysdifferentiation and adult osteoporosis susceptibility in male offspring rats.PMID:36174767 | DOI:10.1016/j.bcp.2022.115264
Source: Biochemical Pharmacology - September 29, 2022 Category: Drugs & Pharmacology Authors: Yangfan Shangguan Xufeng Li Jun Qin Yinxian Wen Hui Wang Liaobin Chen Source Type: research
Melatonin alleviates arginine vasopressin-induced cardiomyocyte apoptosis via increasing Mst1-Nrf2 pathway activity to reduce oxidative stress
In this study, high AVP doses were found to induce H9c2 cardiomyoblast apoptosis, demonstrated by increased terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL)-positive cells, pro-apoptotic B-cell lymphoma-2 (Bcl-2)-associated X protein (Bax) up-regulation, and anti-apoptotic Bcl-2 downregulation. This AVP-induced apoptotic increase, along with lowered cell viability, was also associated with higher reactive oxygen species (ROS) levels and lowered mitochondrial membrane potentials (MMP), which were all reversed upon Mel administration. Further investigations found that apoptosis, ROS, and MMP outcomes unde...
Source: Biochemical Pharmacology - October 2, 2022 Category: Drugs & Pharmacology Authors: Shuang Chen You Li Shuai Fu Yang Li Chao Wang Ping Sun Hairu Li Jiawei Tian Guo-Qing Du Source Type: research
Blockage of MyD88 in cardiomyocytes alleviates cardiac inflammation and cardiomyopathy in experimental diabetic mice
In this study, we first found that MyD88 expression was increased in cardiomyocytes of diabetic mouse hearts. In cultured cardiomyocytes, MyD88 inhibition either by siRNA or by small-molecular inhibitor LM8 markedly blocked TLR4-MyD88 complex formation, reduced pro-inflammatory mitogen-activated protein kinases/nuclear factor-κB (MAPKs/NF-κB) cascade activation and decreased pro-inflammatory cytokine expression under high glucose condition. Moreover, pharmacologic inhibition of MyD88 by LM8 showed significantly anti-inflammatory, anti-hypertrophic and anti-fibrotic effects in the hearts of both type 1 and type 2 diabetic...
Source: Biochemical Pharmacology - October 14, 2022 Category: Drugs & Pharmacology Authors: Wu Luo Gaojun Wu Xiaojun Chen Qiuyan Zhang Chunpeng Zou Jun Wang Jun Liu Nipon Chattipakorn Yi Wang Guang Liang Source Type: research
MiR-133a-3p/Sirt1 epigenetic programming mediates hypercholesterolemia susceptibility in female offspring induced by prenatal dexamethasone exposure
In conclusion, PDE can cause persistent enhancement of hepatic cholesterol synthesis function before and after birth through GR/miR-133a-3p/Sirt1 pathway, eventually leading to increased hypercholesterolemia susceptibility in female offspring rats.PMID:36326533 | DOI:10.1016/j.bcp.2022.115306
Source: Biochemical Pharmacology - November 3, 2022 Category: Drugs & Pharmacology Authors: Xufeng Li Wen Hu Li Li Ze Chen Tao Jiang Dingmei Zhang Kexin Liu Hui Wang Source Type: research
SIRT6 regulates endothelium-dependent relaxation by modulating nitric oxide synthase 3 (NOS3)
CONCLUSIONS: We identified SIRT6 as a new regulator of the activity of NOS3, with functional implications for endothelial-dependent relaxation.PMID:36720357 | DOI:10.1016/j.bcp.2023.115439
Source: Biochemical Pharmacology - January 31, 2023 Category: Drugs & Pharmacology Authors: Jiaojiao Wang Zhiping Liu Jing Lu Jiami Zou Weile Ye Hong Li Si Gao Peiqing Liu Source Type: research
Aucubin protects mouse cochlear hair cells from cisplatin-induced ototoxicity via activation of the PI3K/AKT/STAT3 pathway
In conclusion, we identified an otoprotective effect of aucubin. Therefore, aucubin could be used to prevent cisplatin-induced ototoxicity.PMID:36720354 | DOI:10.1016/j.bcp.2023.115440
Source: Biochemical Pharmacology - January 31, 2023 Category: Drugs & Pharmacology Authors: Yumeng Jiang Zhuangzhuang Li Qiang Ma Wenqi Dong Qingxiu Yao Dongzhen Yu Source Type: research
SIRT6 regulates endothelium-dependent relaxation by modulating nitric oxide synthase 3 (NOS3)
CONCLUSIONS: We identified SIRT6 as a new regulator of the activity of NOS3, with functional implications for endothelial-dependent relaxation.PMID:36720357 | DOI:10.1016/j.bcp.2023.115439
Source: Biochemical Pharmacology - January 31, 2023 Category: Drugs & Pharmacology Authors: Jiaojiao Wang Zhiping Liu Jing Lu Jiami Zou Weile Ye Hong Li Si Gao Peiqing Liu Source Type: research
