scholarly journals Trigonostemon reidioides modulates endothelial cell proliferation, migration and tube formation via downregulation of the Akt signaling pathway

2017 ◽  
Vol 14 (4) ◽  
pp. 4677-4683 ◽  
Author(s):  
Young-Rak Cho ◽  
Kyuhee Park ◽  
Jae-Shin Kang ◽  
Hye-Woo Byun ◽  
Joa Sub Oh ◽  
...  
2021 ◽  
Vol 11 ◽  
Author(s):  
Lei Zhang ◽  
Yuan Li ◽  
Xin Ma ◽  
Jiali Liu ◽  
Xiaojie Wang ◽  
...  

Background: The Fufang Danshen formula is a clinically important anti-atherosclerotic preparation in traditional Chinese medicine. However, its anti-atherosclerotic effect is not well recognized, and the mechanisms of its combined active ingredients, namely Ginsenoside Rg1-Notoginsenoside R1-Protocatechuic aldehyde (RRP), remain unclear. The purpose of this study was to investigate the anti-atherosclerotic effects and potential mechanism of RRP in ApoE−/− mice and in low-shear stress-injured vascular endothelial cells.Methods: ApoE−/− mice were randomly divided into three groups: model group, rosuvastatin group, and RRP group, with C57BL/6J mice as the control group. Oil-red O, hematoxylin and eosin, Masson, and Movat staining were utilized for the observation of aortic plaque. Changes in the blood lipid indexes were observed with an automatic biochemistry analyzer. ET-1, eNOS, TXA2, and PGI2 levels were analyzed by enzyme-linked immunosorbent assay. In vitro, a fluid shear stress system was used to induce cell injury. Piezo1 expression in HUVECs was silenced using siRNA. Changes in morphology, proliferation, migration, and tube formation activity of cells were observed after RRP treatment. Quantitative Real-Time PCR and western blot analysis were employed to monitor mRNA and protein expression.Results: RRP treatment reduced the atherosclerotic area and lipid levels and improved endothelial function in ApoE−/− mice. RRP significantly repaired cell morphology, reduced excessive cell proliferation, and ameliorated migration and tube formation activity. In addition, RRP affected the FAK-PI3K/Akt signaling pathway. Importantly, Piezo1 silencing abolished the protective effects of RRP.Conclusion: RRP has anti-atherosclerotic effects and antagonizes endothelial cell damage via modulating the FAK-PI3K/Akt signaling pathway. Piezo1 is a possible target of RRP in the treatment of atherosclerosis. Thus, RRP has promising therapeutic potential and broad application prospect for atherosclerosis.


Tumor Biology ◽  
2014 ◽  
Vol 35 (5) ◽  
pp. 4095-4099 ◽  
Author(s):  
Lu Zheng ◽  
Wei Gong ◽  
Ping Liang ◽  
XiaoBing Huang ◽  
Nan You ◽  
...  

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Dongyong Yang ◽  
Yanqing Wang ◽  
Yajing Zheng ◽  
Fangfang Dai ◽  
Shiyi Liu ◽  
...  

Abstract Background Polycystic ovary syndrome (PCOS) is the most common hormonal disorder among reproductive-aged women worldwide, however, the mechanisms and progression of PCOS still unclear due to its heterogeneous nature. Using the human granulosa-like tumor cell line (KGN) and PCOS mice model, we explored the function of lncRNA UCA1 in the pathological progression of PCOS. Results CCK8 assay and Flow cytometry were used to do the cell cycle, apoptosis and proliferation analysis, the results showed that UCA1 knockdown in KGN cells inhibited cell proliferation by blocking cell cycle progression and promoted cell apoptosis. In the in vivo experiment, the ovary of PCOS mice was injected with lentivirus carrying sh-UCA1, the results showed that knockdown of lncRNA UCA1 attenuated the ovary structural damage, increased the number of granular cells, inhibited serum insulin and testosterone release, and reduced the pro-inflammatory cytokine production. Western blot also revealed that UCA1 knockdown in PCOS mice repressed AKT activation, inhibitor experiment demonstrated that suppression of AKT signaling pathway, inhibited the cell proliferation and promoted apoptosis. Conclusions Our study revealed that, in vitro, UCA1 knockdown influenced the apoptosis and proliferation of KGN cells, in vivo, silencing of UCA1 regulated the ovary structural damage, serum insulin release, pro-inflammatory production, and AKT signaling pathway activation, suggesting lncRNA UCA1 plays an important role in the pathological progression of PCOS.


2021 ◽  
Vol 11 (9) ◽  
pp. 1785-1791
Author(s):  
Tangpeng Xu ◽  
Changli Ruan ◽  
Xu Bin ◽  
Mengxue Hu

Hepatocellular carcinoma (HCC) is a serious threat to human health. miR-340 participates in HCC pathogenesis, but its specific mechanism is not completely clear. Therefore, our study assessed the mechanism by how miR-340 involves in HCC. The cancer tissues and paracancerous tissues of HCC patients were collected. miR-340 mimics/NC and Akt siRNA were transfected into HepG2 cells followed by analysis of miR-304 and EMT-related molecules expression by Real-time PCR, cell invasion and migration by Transwell assay, cell proliferation ability by CCK8 assay as well as p-Akt and p-mTOR level by Western blot. miR-340 in HCC tissues was significantly downregulated compared to adjacent tissues (P <0.001). With increased pathological grade, miR-340 expression was decreased gradually. p-Akt and p-mTOR in HCC tissues was significantly upregulated and elevated gradually with increased pathological grade. p-Akt and p-mTOR was negatively associated with miR-340 (P <0.001). After overexpression of miR-340, HepG2 cell proliferation, invasion, migration and epithelialization were significantly inhibited, and p-Akt and p-mTOR was reduced. When Akt expression was interfered with siRNA, cell proliferation and epithelialization was further inhibited. miR-340 inhibits the development of hepatocellular carcinoma through Akt signaling pathway.


2018 ◽  
Vol 17 (7) ◽  
pp. 1243
Author(s):  
Fen Wen ◽  
Yuxian Lu ◽  
Ke Xu ◽  
Yanmei Liu ◽  
Xiaojuan Qian ◽  
...  

2018 ◽  
Vol Volume 11 ◽  
pp. 7019-7029 ◽  
Author(s):  
Sasikamon Khophai ◽  
Malinee Thanee ◽  
Anchalee Techasen ◽  
Nisana Namwat ◽  
Poramate Klanrit ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document