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    Alterations in serum thiol-disulfiide homeostasis and ischemiamodifiied albumin concentrations in clinical canine parvoviral enteritis
    (Tubitak Scientific & Technological Research Council Turkey, 2024) Şenel, Yasin; Terzi, Osman Safa; Kara, Erdal; Erel, Özcan; Neşelioğlu, Salim; Ceylan, Ebubekir
    Monitoring biomarkers related to inflammation and oxidative stress is critical in dogs because parvovirus causes both inflammatory and antioxidant alterations. The aim of this study was to investigate inflammatory and antioxidant changes caused by canine parvoviral enteritis to better understand the oxidative stress process related to this disease. Thus, the total thiol, native thiol, disulfide, and ischemia-modified albumin levels of Canine parvovirus infected symptomatic puppies and healthy puppies were examined. Using the results of complete blood counts, the blood serum thiol-disulfide homeostasis and ischemia modified albumin levels of the puppies with Canine parvoviral enteritis (n = 65) and the healthy puppies (n = 34) were compared. Canine parvoviral enteritis and control groups showed a statistically significant difference in thiol disulfide levels (p < 0.01), while no significant difference was observed in ischemia modified albumin levels between the two groups. As a result of this study, a picture contradictory to the literature information was discovered; it is believed that integrating research on oxidative stress at various stages of disease progression, including the early stage, clinical period and recovery processes may provide more information about the dynamics of oxidative stress during disease progression.
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    Dynamic thiol-disulphide homeostasis and ischemia modified albumin levels in neonatal calf diarrhea
    (Ankara Univ, 2023) Terzi, Osman Safa; Kara, Erdal; Şenel, Yasin; Ceylan, Ebubekir; Neşelioğlu, Salim; Erel, Özcan
    The aim of this study was to determine dynamic thiol-disulphide homeostasis (TDH) parameters and ischemia modified albumin (IMA) levels in calves with neonatal diarrhea and compare with healthy controls. A total of 50 calves were included in the study. There were 25 calves in both diarrhea and healthy groups. Serum native thiol, total thiol, disulfide and IMA levels were measured using new methods. Native thiol (P=0.025) and total thiol (P=0.041) values decreased significantly in calves with neonatal diarrhea compared to the healthy control group. Disulphide (P=0.133), disulphide/native thiol ratio (P=0.001) and IMA (P=0.0018) parameters were lower in healthy group, and the difference between the two groups was significant for the parameters other than disulphide. This study shows that TDH is impaired in neonatal calf diarrhea and IMA levels are increased due to oxidative stress.