Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\21044672
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Hear+Res
2011 ; 272
(1-2
): 108-16
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Comparative analysis of combination kanamycin-furosemide versus kanamycin alone
in the mouse cochlea
#MMPMID21044672
Hirose K
; Sato E
Hear Res
2011[Feb]; 272
(1-2
): 108-16
PMID21044672
show ga
Combinations of aminoglycosides and loop diuretics have been known to have a
synergistic effect in ototoxic injury. Because murine hair cells are relatively
resistant to ototoxicity compared to those of other mammals, investigators have
turned to combination therapies to create ototoxic lesions in the mouse inner
ear. In this paper, we perform a systematic comparison of hearing thresholds,
hair cell damage and monocyte migration into the mouse cochlea after kanamycin
versus combined kanamycin/furosemide and explore the pathophysiology of enhanced
hair cell loss in aminoglycoside ototoxicity in the presence of loop diuretic.
Combined kanamycin-furosemide resulted in elevation of threshold not only in the
high frequencies, but across all frequencies with more extensive loss of outer
hair cells when compared to kanamycin alone. The stria vascularis was severely
atrophied and stellate cells in the spiral limbus were missing in
kanamycin-furosemide exposed mice while these changes were not observed in mice
receiving kanamycin alone. Monocytes and macrophages were recruited in large
numbers to the spiral ligament and spiral ganglion in these mice. Combination
therapy resulted in a greater number of macrophages in total, and many more
macrophages were present further apically when compared to mice given kanamycin
alone. Combined kanamycin-furosemide provides an effective method of addressing
the relative resistance to ototoxicity that is observed in most mouse strains. As
the mouse becomes increasingly more common in studies of hearing loss, and
combination therapies gain popularity, recognition of the overall effects of
combined aminoglycoside-loop diuretic therapy will be critical to interpretation
of the interventions that follow.