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Product name : KX1-004
Item : CR1844
Price : 200mg, $750;500mg, $1290; 1g, $1990; 2g, $2995
contact : Send inquiry to: info@acesobio.com
CAS : 518058-84-9
Molecular Weight : 284.29
Formula : C₁₆H₁₃FN₂O₂
Storage : at -20°C
Additional information : We offer significant discount for bulky quantity order
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Details:
 Chemical Information
M.Wt 284.29 Storage Please store the product under the recommended conditions in the Certificate of Analysis.
Formula C16H13FN2O2
CAS No 518058-84-9
Solubility

DMSO



Biological Activity of KX1-004

 

KX1-004 is a potent small molecule inhibitor of Src-PTK as a potential protective drug for NIHL.
IC50 value:
Target: Src-PTK inhibitor
KX1-004, KX1-005 and KX1-174 as potential protective drugs for NIHL. Chinchillas were used as subjects. A 30 microl drop of one of the Src inhibitors was placed on the round window membrane of the anesthetized chinchilla; the vehicle (DMSO and buffered saline) alone was placed on the other ear. After the drug application, the middle ear was sutured and the subjects were exposed to noise. Hearing was measured before and several times after the noise exposure and treatment using evoked responses. At 20 days post-exposure, the animals were anesthetized their cochleae extracted and cochleograms were constructed. All three Src inhibitors provided protection from a 4 h, 4 kHz octave band noise at 106 dB. The most effective drug, KX1-004 was further evaluated by repeating the exposure with different doses, as well as, substituting an impulse noise exposure [1]. LNAC was delivered intraperitoneally at a dose of 325 mg/kg while KX1-004 was administered subcutaneously at a dose of 50 mg/kg. The noise exposure consisted of a 4 kHz octave band of noise at 100 dB SPL for 6 hours/day for 4 days. The drugs were administered once each day, 30 minutes prior to the onset of the noise exposure. The animals' hearing was estimated using the evoked response records from surgically-implanted chronic electrodes in the inferior colliculi. Animals treated with LNAC and KX1-004 had from 10 to 20 dB less temporary threshold shift at day 1 and an average 10 dB less permanent threshold shift by day 21 when compared to control saline treated animals [2].

 

[1]. Harris KC, et al. Prevention of noise-induced hearing loss with Src-PTK inhibitors. Hear Res. 2005 Oct;208(1-2):14-25.

[2]. Bielefeld EC, et al. A comparison of the protective effects of systemic administration of a pro-glutathione drug and a Src-PTK inhibitor against noise-induced hearing loss. Noise Health. 2005 Oct-Dec;7(29):24-30.


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