Quinolones, in addition to their antibacterial activities, act as immunomodulators. Osteopontin (OPN), a member of the extracellular matrix proteins, was found to play a role in the immune and inflammatory response. We found that quinolones significantly enhanced OPN secretion, namely, garenoxacin (220%), moxifloxacin (62%), gatifloxacin (82%), sparfloxacin, (79%), and sitafloxacin (60%). Enhancement of OPN secretion was shown to be due to the effect of quinolones on the OPN gene promoter activity. We also examined the role of quinolones on apoptosis and found that sparfloxacin decreased the late apoptosis of A549 cells, but garenoxacin did not show the antiapoptotic effect. The antiapoptotic effects of quinolones do not appear to be associated with OPN elevation.
机构:
Univ Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, MalaysiaUniv Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, Malaysia
Salim, Siti Norfitrah Mohd
Ramakreshnan, Logaraj
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Univ Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, MalaysiaUniv Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, Malaysia
Ramakreshnan, Logaraj
Fong, Chng Saun
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Univ Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, MalaysiaUniv Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, Malaysia
Fong, Chng Saun
Wahab, Ridhwan Abdul
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Int Islamic Univ Malaysia, Dept Biomed Sci, Kulliyyah Allied Hlth Sci, Jalan Sultan Ahmad Shah, Kuantan 25200, Pahang Darul Ma, MalaysiaUniv Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, Malaysia
Wahab, Ridhwan Abdul
Rasad, Mohammad Syaiful Bahari Abdull
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Int Islamic Univ Malaysia, Dept Biomed Sci, Kulliyyah Allied Hlth Sci, Jalan Sultan Ahmad Shah, Kuantan 25200, Pahang Darul Ma, MalaysiaUniv Malaya, Fac Med, Ctr Occupat & Environm Hlth, Dept Social & Prevent Med, Kuala Lumpur 50603, Malaysia
机构:
Tabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran
Tabriz Univ Med Sci, Fac Med, Dept Clin Biochem, Tabriz, Iran
Golestan Univ, Fac Sci, Dept Biol, Orumiyeh, IranTabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran
Mohammad, Rahmati Yamchi
Somayyeh, Ghareghomi
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Tabriz Univ Med Sci, Bone Hlth Res Ctr, Tabriz, IranTabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran
Somayyeh, Ghareghomi
Gholamreza, Haddadchi
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Tabriz Univ Med Sci, Bone Hlth Res Ctr, Tabriz, IranTabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran
Gholamreza, Haddadchi
Majid, Mobasseri
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Golestan Univ, Fac Sci, Dept Biol, Orumiyeh, IranTabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran
Majid, Mobasseri
Yousef, Rasmi
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Urmia Univ Med Sci, Fac Med, Dept Biochem, Orumiyeh, IranTabriz Univ Med Sci, Drug Appl Res Ctr, Tabriz, Iran