Veterinary Science Development 2017; volume 7:6245 Effects of licofelone, matory mediators in inflammation, injury, and pain settings.1 Although COX-2 specific drugs Correspondence: Correspondence: Aidin Shojaee a novel 5-LOX inhibitor, such as COXIBs (celecoxib, deracoxib, rofacox- Tabrizi, Department of Clinical Sciences, Faculty in comparison to celecoxib ib) have less gastric side effects than non- of Veterinary Medicine, Shiraz University, Shiraz, on gastric mucosa of dogs selective ones. Reports show that they are not Iran. as safe as they are expected to be.2 Tel.: +98.9171046274. Fax: +98.7132284950. E-mail:
[email protected] Aidin Shojaee Tabrizi,1 Arachidonic acid (AA) is a substance that is converted to PGs and leulotriens (LTs) by COX Mohammad Azizzadeh,2 Aidin Esfandiari1 Key words: Licofelone; celecoxib; gastric lesions; and 5-lipoxygenase (LOX) enzymes, respec- dog. 1Faculty of Veterinary Medicine, Shiraz tively. LTs are responsible for inflammations University, Shiraz; 2Faculty of Veterinary and NSAIDs-induced gastrointestinal dam- Acknowledgments: the authors wish to thank the medicine, Ferdowsi University of ages. Studies showed that diminishing Research Council of the Veterinary Medicine Mashhad, Mashhad Iran leukotriene B4 levels in gastric mucosa will School of Shiraz University for their Financial result in gastroprotection against NSAIDs- Support. induced gastropathy.3 The inhibition of COX Abstract enzyme may lead to a shunt of AA metabolism Contributions: MA, AE, substantial contributions towards 5-LOX pathway, and therefore, treat- to conception and design, acquisition of data; ment with NSAIDs increase the formation of AST, substantial contributions to conception and Despite the extensive application of non- LTs possibly leading to gastric damage.4 Thus, design, acquisition of data, drafting the article or steroidal anti-inflammatory drugs (NSAIDs), revising it critically for important intellectual the idea of dual inhibition i.e.