newborn rabbit
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Heart Rhythm ◽  
2019 ◽  
Vol 16 (4) ◽  
pp. 494-501 ◽  
Author(s):  
Michael Biet ◽  
Anh Tuan Ton ◽  
Jean-Francois Delabre ◽  
Nathalie Morin ◽  
Robert Dumaine

2016 ◽  
Vol 10 (1) ◽  
pp. 12-16
Author(s):  
Duygu Cam ◽  
Ali Osman Saatci ◽  
Serap Cilaker Micili ◽  
Bekir Ugur Ergur ◽  
Revan Yildirim Karabag ◽  
...  

Purpose: To evaluate the effect of intravitreal azithromycin on the retina in a newborn rabbit model. Methods: Twelve, two-week old New Zealand albino rabbits were divided into two groups (six in each). The right eyes of six rabbits received 0.75 mg (0.05 mL) azithromycin and the right eyes of the remaining six rabbits 1.5 mg (0.1 mL) azithromycin intravitreally. Left eyes were served as the control and received the same volume of saline. All eyes were enucleated at the third postinjection week. Retinal histology was examined by light microscopy. Apoptosis of the retinal cells was further evaluated by immunohistochemical staining for caspase-3 and in situ terminal deoxynucleotidyl transferase-mediated biotin-deoxyuridine triphosphate nick-end labeling (TUNEL) of DNA fragments. Results: Light microscopy demonstrated no retinal abnormalities in all eyes. However, retinal nuclear DNA fragmentation was evident in both study groups (33.6% with 1.5 mg and 21.4% with 0.75 mg azithromycin) with the TUNEL method. TUNEL staining ratio was statistically higher only in the second group treated with 1.5 mg azithromycin when compared to the control group (p=0.01 Mann Whitney U test). The ratio of caspase-3 positive cells in the two study groups was 21.5% and 20.2%, respectively. Caspase-3 staining ratio was statistically higher in both study groups when compared to the control eyes (p=0.00, p=0.00 respectively). The difference of TUNEL staining ratio between the two study groups was statistically significant (p=0.028), but there were no statistically significant differences in the two study groups by caspase-3 staining (p=0.247). Conclusion: In newborn rabbits, intravitreal azithromycin injection resulted in an apoptotic activity in the photoreceptor, bipolar and ganglion cells. Immunohistochemical analysis suggested that doses of 0.75 mg and 1.5 mg azithromycin, administered intravitreally might be toxic to the newborn rabbit retina.


2016 ◽  
Vol 111 ◽  
pp. 1-11 ◽  
Author(s):  
Mélanie Jouhanneau ◽  
Benoist Schaal ◽  
Gérard Coureaud

2015 ◽  
Vol 221 (5) ◽  
pp. 2527-2539 ◽  
Author(s):  
Nanette Y. Schneider ◽  
Frédérique Datiche ◽  
Donald A. Wilson ◽  
Vincent Gigot ◽  
Thierry Thomas-Danguin ◽  
...  

Author(s):  
Paul A. Stevens ◽  
Jo Rae Wright ◽  
John A. Clements
Keyword(s):  

2015 ◽  
Vol 142 ◽  
pp. 161-169 ◽  
Author(s):  
Sébastien Romagny ◽  
Thierry Thomas-Danguin ◽  
Gérard Coureaud

PLoS ONE ◽  
2014 ◽  
Vol 9 (9) ◽  
pp. e107560 ◽  
Author(s):  
Sébastien Romagny ◽  
Thierry Thomas-Danguin ◽  
Gérard Coureaud

2014 ◽  
Vol 39 (5) ◽  
pp. 425-437 ◽  
Author(s):  
A. Legendre ◽  
P. Faure ◽  
H. Tiesset ◽  
C. Potin ◽  
I. Jakob ◽  
...  

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