bovine aortic endothelial cell
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RSC Advances ◽  
2020 ◽  
Vol 10 (69) ◽  
pp. 42327-42337
Author(s):  
Takehiro Nakamura ◽  
Eiko Yoshida ◽  
Takato Hara ◽  
Tomoya Fujie ◽  
Chika Yamamoto ◽  
...  

Stimulation of vascular endothelial cell proliferation by Zn-12 can be mediated by the ERK1/2 activation independently of the FGF-2-FGFR pathway. Additionally, there may be other pathways involved in the Zn-12 stimulation.


2016 ◽  
Vol 2016 (0) ◽  
pp. J0280104
Author(s):  
Satoshi MIYAMOTO ◽  
Masataka ARAI ◽  
Kazuhiro NAKASHIMA ◽  
Toshihiro SERA ◽  
Susumu KUDO

2015 ◽  
Vol 4 (0) ◽  
pp. 60-66 ◽  
Author(s):  
Aya Shinmura ◽  
Akira Tsukamoto ◽  
Tsuyoshi Hamada ◽  
Kouki Takemura ◽  
Takashi Ushida ◽  
...  

2013 ◽  
Vol 9 (4) ◽  
pp. 341-349 ◽  
Author(s):  
Jiho Min ◽  
Ji-Young Ahn ◽  
Simranjeet Singh Sekhon ◽  
Yoon Mi Jin ◽  
Choi-Kyu Park ◽  
...  

Author(s):  
Fei Liu ◽  
Tingting Chen ◽  
Xudong Zhang ◽  
Fang Li ◽  
Ioana Voiculescu

Measuring water toxicity is a lengthy process, and rapid analytical methods are limited. A complementary approach is to measure water toxicity on live cells via electric cell-substrate impedance sensing (ECIS) using a field portable device. This paper presents a study of the longevity of bovine aortic endothelial cell (BAECs VEC Technologies, Rensselaer, NY) by integrating a microfluidic device onto the ECIS sensors. This microfluidic chamber with a network of tree-like perfusion microfluidic channels for cell media delivery to the culturing chamber was fabricated from a biocompatible polymer and tested for longevity studies. This perfusion microchannels were designed as a symmetric arbor with binary splitting to provide equal flow in all the perfusion channels. The microdimensions of the perfusion channels provide high flow resistance, thus carrying low flow rates for a given head pressure and generating low shear stress to the cells during the long-time cell attachment and proliferation period. With such a microfluidic device, cell media can be automatically and evenly perfused into the culturing chamber and no significant shear stress produced by media perfusion was observed. During the longevity study, the BAECs were able to survive in good health for longer than one month. Toxicity tests to study the BAECs responsiveness to health-threatening concentrations of ammonia using the microfluidic ECIS sensor will be also presented. Using impedance spectroscopy technique we demonstrated the BAECs can rapidly respond to ammonia concentrations between the military exposure guideline of 2mM and human lethal concentration of 55mM. The BAECs monolayer represent the most important component of a biosensor for testing water toxicity in the field. This research concluded that the BAECs could resist at least 34 days on the microfluidic chip and demonstrate high values of cell membrane impedance during long period of time.


2011 ◽  
Vol 300 (3) ◽  
pp. H769-H776 ◽  
Author(s):  
Limary M. Cancel ◽  
John M. Tarbell

We ( 7 ) have previously shown that leaky junctions associated with dying or dividing cells are the dominant pathway for LDL transport under convective conditions, accounting for >90% of the transport. We ( 8 ) have also recently shown that the permeability of bovine aortic endothelial cell monolayers is highly correlated with their rate of apoptosis and that inhibiting apoptosis lowers the permeability of the monolayers to LDL. To explore the role of mitosis in the leaky junction pathway, the microtubule-stabilizing agent paclitaxel was used to alter the rate of mitosis, and LDL flux and water flux ( Jv) were measured. Control monolayers had an average mitosis rate of 0.029%. Treatment with paclitaxel (2.5 μM) for 1.5, 3, 4.5, or 6 h yielded increasing rates of mitosis ranging from 0.099% to 1.03%. The convective permeability of LDL (Pe) increased up to fivefold, whereas Jv increased up to threefold, over this range of mitosis rates. We found strong correlations between the mitosis rate and both Pe and Jv. However, compared with our previous apoptosis study ( 8 ), we found that mitosis was only half as effective as apoptosis in increasing Pe. The results led us to conclude that while mitotsis-related leaky junctions might play a role in the initial infiltration of LDL into the artery wall, the progression of atherosclerosis might be more closely correlated with apoptosis-related leaky junctions.


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