Browsing by Author "Tecles, Fernando"
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Publication Changes in choline and cholinesterase in saliva of dogs with parvovirus infection(Elsevier, 2021-01-01) Kocatürk, Meriç; Tecles, Fernando; Yalçın, Ebru; Cihan, Hüseyin; Tural, Merve; Levent, Pınar; Cansev, Mehmet; Ceron, Jose J.; Yılmaz, Zeki; KOCATÜRK, MERİÇ; YALÇIN, EBRU; CİHAN, HÜSEYİN; Tural, Merve; Levent, Pınar; CANSEV, MEHMET; YILMAZ, ZEKİ; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/İç Hastalıkları Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Farmakoloji Anabilim Dalı.; 0000-0002-2849-1222; 0000-0001-6703-4908; 0000-0003-2918-5064; 0000-0001-9836-0749; M-9071-2019; GDR-9018-2022 ; V-5578-2017; ACP-9956-2022; A-9637-2008; ABH-3742-2020; DDR-1481-2022This study investigated the changes in choline (Ch) and butyrylcholinesterase (BChE) in saliva in canine parvovirosis (CP) as a model of sepsis, and their correlations with these analytes in serum and with other markers of inflammation such as white blood cell count (WBC) and serum C-reactive protein (CRP). A total of 30 dogs with CP were sampled for saliva and serum at presentation, and 10 healthy puppies were also sampled as controls. Salivary Ch was higher in dogs with CP (P < 0.001) showing a positive correlation with CRP, whereas no differences were observed in salivary BChE. This is the first report in which Ch is measured in saliva of dogs and based in the results of this study, salivary Ch could be potentially used as biomarker of the severity of CP.Item Serum butyrylcholinesterase and paraoxonase 1 in a canine model of endotoxemia: Effects of choline administration(Elsevier Science, 2012-10) Tvarijonaviciute, Asta; Tecles, Fernando; Ceron, Jose J.; Kocatürk, Meriç; Cansev, Mehmet; Yılmaz, Zeki; Uludağ Üniversitesi/Veteriner Fakültesi/İç Hastalıkları Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Farmakoloji Anabilim Dalı.; 0000-0001-9836-0749; M-9071-2019; 36437200800; 8872816100; 35944810500Butyrylcholinesterase (BChE) and paraoxonase 1 (PON1) are two serum enzymes synthesized by the liver that are related with inflammation. The main objectives of this study were to determine changes in serum BChE and PON1 by using a canine model of endotoxemia, and to evaluate whether choline alters BChE and PON1 activities during inflammation. For this purpose, a total of 20 mongrel dogs were divided into four groups: control, choline (C), lipopolysaccharide (LPS), and LPS + C. Dogs in the control group were injected with 0.9% NaCl (0.2 ml/kg, i.v.). Dogs in C and LPS + C groups received choline chloride (20 mg/kg, i.v., three times with 4 h intervals). Endotoxin was injected (0.02 mg/kg, i.v., once) to the dogs of LPS and LPS + C groups. Statistically significant decreases in BChE and PON1 activities in LPS group were detected 24 and 48 h post injection, respectively. No statistically significant changes in BChE and PON1 activities at different times were detected in control, C, or LPS + C groups. In conclusion, the data obtained in present study revealed a decrease in serum BChE and PON1 activities in dogs during experimentally induced endotoxemia and that choline administration attenuates these changes.