Total antioxidant capacity of bovine spontaneously released and retained placenta

Kankofer, Marta; Lipko, J.; Zduńczyk, S

doi:10.1016/j.pathophys.2005.01.001

Cited by 21 publications

(21 citation statements)

References 17 publications

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“…The antioxidant capacity of tissues can be attributed to individual components in the defence system against free radicals, which can be measured and used to calculate TAC (Kankofer et al 2005). The plasma or serum concentrations of antioxidants can be individually determined, but this procedure is time-consuming, labour-intensive and costly, and requires complicated techniques.…”

mentioning

confidence: 99%

Total oxidant and antioxidant capacities, nitric oxide and malondialdehyde levels in cats seropositive for the feline coronavirus

Kayar¹,

Dokuzeylül²,

Kandemır³

et al. 2015

Vet. Med. - Czech

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Feline coronavirus (FCoV) is a highly contagious virus that is ubiquitous in multicat environments and may induce oxidative stress. This virus commonly causes an asymptomatic infection, which can persist in certain individuals. Sporadically and unpredictably, FCoV infection leads to feline infectious peritonitis (FIP), a highly fatal systemic immune-mediated disease. There are no data in the veterinary literature relating to oxidative stress in FCoV. Antioxidant capacity (TAC) can be attributed to single components in the defence systems against free radicals. The measurement of the total oxidant status (TOS) accurately reflects the oxidative status of blood plasma or serum. Nitric oxide (NO) acts as a free radical and contributes to host defences against oxidation. Malondialdehyde (MDA) is a reliable and commonly used marker of overall lipid peroxidation levels and the presence of oxidative stress. This study aimed to determine levels of oxidative stress markers, serum TAC, total oxidant capacity (TOC), NO and serum MDA in 24 cats seropositive for FCoVs and 15 cats seronegative for FCoVs. Significantly higher serum TOC, NO and MDA levels were found in seropositive animals (P < 0.001, P < 0.05 and P < 0.001, respectively) than in seronegative animals. In contrast, serum TAC levels were found to be significantly lower in seropositive cats compared with seronegative cats (P < 0.001). The results of the present study suggest that FCoV seropositivity is associated with oxidative stress and decreased antioxidant status.

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mentioning

confidence: 99%

Total oxidant and antioxidant capacities, nitric oxide and malondialdehyde levels in cats seropositive for the feline coronavirus

Kayar¹,

Dokuzeylül²,

Kandemır³

et al. 2015

Vet. Med. - Czech

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“…Moreover, Kankofer et al (2005) have shown plasma TAC activity were lower in RFM than in cows NRFM. Thus, earlier studies have shown no consistent for oxidative status associated with RFM.…”

Section: Animalsmentioning

confidence: 90%

“…Etiopathology and the biochemical backgrounds of RFM are still not clear and require investigation (Kankofer et al, 2005). Normally it is expected increased oxidative stress in RFM due to physical effort of calving.…”

Section: Discussionmentioning

confidence: 99%

“…RFM is a complex postpartum syndrome in cows which affects mother and newborn. The etiopathology and biochemical backgrounds of this syndrome are still not clear and require investigation (Kankofer et al, 2005). The incidence of RFM ranges from 4 to 12% of calving.…”

Section: Introductionmentioning

confidence: 99%

“…The knowledge about plasma PON1 activity in veterinary medicine is still not enough (Kankofer et al, 2005, Yokus et al, 2007 and there is limited information concerning the role of the TPX, TAC concentrations and PON activities in RFM during late pregnancy and postpartum. The aim of this study was to investigate possible changes of the TAC, TPX, OSI and PON1 activity in late pregnancy and postpartum periods in healthy cows and to examine the relation with RFM.…”

Section: Introductionmentioning

confidence: 99%

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Paraoxonase activities and oxidative status during late pregnancy and postpartum period in dairy cattle with and without retained fetal membrane

Durak

Yokuş

Ercan

2018

J Hellenic Vet Med Soc

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The aim of this study was to evaluate serum paraoxonase 1 (PON1) activities, total antioxidant capacity (TAC), total peroxidation (TPX), oxidative stress index (OSI) and their associations with Retained fetal membrane (RFM) in late pregnancy and postpartum period. Possible relationships have been investigated between these markers and other relevant blood parameters also. Totally 266 pregnant cows were included in this study. Samples were taken in during late pregnancy and postpartum periods. The cows were divided into two groups after giving birth as RFM and Non-Retained fetal membrane (NRFM). The TAC, TPX and OSI values were not different in RFM compared to NRFM in both periods. The PON1 activities of RFM group in both periods were lower than those of the NRFM, however; these variations were not statistically significant. PON1 activities was statistically higher in the late pregnancy both RFM and NRFM groups than postpartum. This observation point out oxidative stress could not relate to pathogenesis of RFM. The PON1 activity was increased physiologically in pregnant cows, and more information is needed to determine whether PON1 may be used to identify cows at high risk of developing RFM. Decreasing serum urea/creatinine ratio, globulin and total protein concentration and increasing albumin/globulin ratio might be a parameter to contributing use in diagnosis of RFM.

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Studies on Veterinary Medicine

Mandelker¹,

Vajdovich²

2011

Oxidative Stress in Applied Basic Research and Clinical Practice

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Total antioxidant capacity of bovine spontaneously released and retained placenta

Cited by 21 publications

References 17 publications

Total oxidant and antioxidant capacities, nitric oxide and malondialdehyde levels in cats seropositive for the feline coronavirus

Total oxidant and antioxidant capacities, nitric oxide and malondialdehyde levels in cats seropositive for the feline coronavirus

Paraoxonase activities and oxidative status during late pregnancy and postpartum period in dairy cattle with and without retained fetal membrane

Studies on Veterinary Medicine

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