Lowering the stimulated free intracellular calcium level in platelets in the refractory state

1988 ◽  
Vol 106 (6) ◽  
pp. 1699-1702
Author(s):  
E. Ya. Pozin ◽  
E. G. Popov ◽  
I. Yu. Gavrilov ◽  
Z. A. Gabbasov ◽  
S. N. Krotov
ORL ◽  
1991 ◽  
Vol 53 (2) ◽  
pp. 78-81 ◽  
Author(s):  
Katsuhisa Ikeda ◽  
Yoshitaka Saito ◽  
Akinori Nishiyama ◽  
Tomonori Takasaka

2014 ◽  
Vol 58 (2) ◽  
pp. 199-210 ◽  
Author(s):  
Elżbieta Bednarska

It is shown that callose synthesis in the <em>Oenothera biennis </em>pollen tube is regulated by the endogenous Ca<sup>2+</sup> level. Calcium antagonists reduced the amount of callose in the wall above the tip of the pollen tube (Verapamil - calcium channels blocker) and at the tube tip after stopping tube growth (La<sup>3+</sup> - a Ca<sup>2+</sup> substitute). Ruthenium red and ionophore A 23187, which raise the Ca 21 level in the cytoplasm, induced callose synthesis at the tip of pollen tube.


2011 ◽  
Vol 185 (4S) ◽  
Author(s):  
Woo Jung Kim ◽  
Jun-Ho Lee ◽  
Sung Won Lee ◽  
Mee Ree Chae ◽  
Hyunjung Kim ◽  
...  

2010 ◽  
Vol 441 ◽  
pp. 299-305 ◽  
Author(s):  
Matthias Epple ◽  
Anna Kovtun

Calcium phosphate is a natural biomineral and therefore possesses an excellent biocompatibility due to its chemical similarity to human hard tissue (bone and teeth). Calcium phosphate nanoparticles can be precipitated under controlled conditions and used as carrier in biological systems, e.g. to transfer nucleic acids or drugs. Such nanoparticles can also be suitably functionalized with fluorescing dyes, polymeric agents, pro-drugs or activators. The small monodisperse nanoparticles only mildly influence the intracellular calcium level and therefore are not toxic for cells.


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