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Rešetar Maslov D, Rubić I, Farkaš V, Kuleš J, Beer Ljubić B, Beletić A, Samardžija M, Kovačić M, Jurkić Krsteska G, Mrljak V. Characterization and LC-MS/MS based proteomic analysis of extracellular vesicles separated from blood serum of healthy and dogs naturally infected by Babesia canis. A preliminary study. Vet Parasitol 2024; 328:110188. [PMID: 38653059 DOI: 10.1016/j.vetpar.2024.110188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Canine babesiosis is a rapidly spreading tick-borne disease in Europe, which entails protozoan parasites invading red blood cells. Small extracellular vesicles (EVs) (< 200 nm) were isolated from the serum of 15 healthy and 15 by Babesia canis naturally infected dogs aimed to distinguish EV characteristics and protein profiles. There were no significant differences (P = 0.05) observed in the mean sizes and concentrations of serum EVs between the healthy and canine babesiosis groups. Despite a higher number of Canis lupus proteins detected in EVs from serum of diseased dogs, there were no statistically significant differences (P < 0.05) in the number of protein IDs between the experimental groups. We successfully identified 211 Canis lupus proteins across both experimental groups, of which 147 Canis lupus proteins were validated as being EV-associated. This data set is accessible via the ProteomeXchange PXD047647. EVs isolated from serum of B. canis infected dogs were Cd9+, Cd63+, Cd81+, and Cd82+. Furthermore, 73 Canis lupus proteins were validated as EV-associated and specific for EVs isolated from serum of B. canis-infected dogs. These were predominantly membrane and cytosolic proteins, and innate and adaptive immune system-related proteins, especially those involved in adhesion and proteoglycan mechanisms like integrins. Enrichment was also observed for proteins involved in vascular and cellular responses, including signalling pathways such as VEGF, VEGFR, and the LKB1 network. When only blood-related sites of EV expression were evaluated, the origins of EV proteins were mostly cells of immune system. These were dendritic cells, neutrophils, B cells, monocytes and platelets. In general, proteins were enriched in pathways that collectively regulate various cellular processes, including immune responses, communication, signal transduction, membrane trafficking, and apoptosis. Serum EVs and their protein cargo may have an important role in both the invasion of B. canis and the host's response to the parasitic infection, nevertheless, additional experimental research is warranted. The overall count of identified EV proteins of parasitic origin, meeting cut off criteria of two peptides and 1 % FDR, was relatively low.
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Affiliation(s)
- Dina Rešetar Maslov
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia.
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Vladimir Farkaš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia; Ruđer Bošković Insitute, Division of Molecular Medicine, Laboratory of Molecular Neuropsychiatry, Bijenička cesta 54, Zagreb, Croatia
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, Zagreb 10000, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Anđelo Beletić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia; Genos Ltd, Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb 10000, Croatia
| | - Marko Samardžija
- Reproduction and Obstetrics, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Mislav Kovačić
- Department of Biology, University of Osijek, Osijek 31000, Croatia
| | - Gabrijela Jurkić Krsteska
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Vladimir Mrljak
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
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Palić M, Šoštarić Zuckermann IC, Džaja P, Ljubić BB, Severin K. A Biochemical and Histological Assessment of Postmortem Changes to the Eyes of Domestic Pigs: A Preliminary Study. Animals (Basel) 2024; 14:1190. [PMID: 38672338 PMCID: PMC11047443 DOI: 10.3390/ani14081190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/12/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
The Postmortem Interval (PMI) is the time from the death of an animal to its discovery. From a veterinary forensic standpoint, an accurate estimation of the PMI is of particular importance, especially with the observed increase in deaths of domestic and wild animals. A preliminary study was conducted using the eyes of domestic pigs. A biochemical analysis was conducted on the vitreous humor of the eye, whilst a histological analysis was conducted on the retina. The eyes were stored at +4 °C and changes were assessed at time intervals of 0, 12, 24, 48, and 120 h. The biochemical analysis during the PMI established a decrease in sodium, chlorine, and glucose concentrations, and a rise in potassium concentration. Accordingly, a simple linear regression showed a significant correlation between changes in concentrations of sodium (Na+), potassium (K+), chloride (Cl-), and glucose, in relation to the PMI. The histological analysis showed evident morphological changes in the retina, which included homogenization of the rod and cone cells, pyknosis of the outer nuclear layer, homogenization of the outer plexiform layer, pyknosis of the inner nuclear layer, homogenization of the inner plexiform layer, and pyknosis of the nuclei of the ganglion layer of the retina.
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Affiliation(s)
- Magdalena Palić
- Department of Forensic and State Veterinary Medicine, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia; (M.P.); (P.D.)
| | | | - Petar Džaja
- Department of Forensic and State Veterinary Medicine, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia; (M.P.); (P.D.)
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia;
| | - Krešimir Severin
- Department of Forensic and State Veterinary Medicine, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia; (M.P.); (P.D.)
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Turk R, Rošić N, Beer Ljubić B, Vince S. Effects of Summer Heat on Adipose Tissue Activity in Periparturient Simmental Cows. Metabolites 2024; 14:207. [PMID: 38668335 PMCID: PMC11051855 DOI: 10.3390/metabo14040207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
Hot climate is one of the major factors affecting the dairy industry. Heat stress could be responsible for decreased feed intake and consequently leads to alterations in energy metabolism, particularly during late pregnancy and early lactation. This study aimed to assess the effects of summer heat on adipose tissue activities during the periparturient period in Simmental cows. Two groups of cows were involved: heat-stressed cows (n = 12) that calved from June to August and thermoneutral cows (n = 12) that calved from October to December. Blood samples were taken from each cow during the periparturient period: 21 and 7 days before calving and 8, 16, 24, 32, and 40 days after calving. Glucose, beta-hydroxy butyrate (BHB), non-esterified fatty acids (NEFA), leptin (LP), and adiponectin (ADP) were measured in serum samples by commercial kits. Thermoneutral cows expressed higher degrees of lipomobilization syndrome than heat-stressed cows, indicated by significantly higher serum NEFA and BHB concentrations in the early lactation. Leptin levels were significantly decreased, while adiponectin was increased in heat-stressed cows compared to thermoneutral ones. The results indicated that heat-stressed cows during the periparturient period mobilized less fat from adipose tissue to reduce the heat generation by fatty acid oxidation.
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Affiliation(s)
- Romana Turk
- Department of Pathophysiology, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Nikola Rošić
- Veterinary Practice Jastrebarsko, 10450 Jastrebarsko, Croatia
| | - Blanka Beer Ljubić
- Laboratory of Internal Clinic, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Silvijo Vince
- Department for Reproduction with Clinic for Obstetrics, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia;
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Baka RD, Kuleš J, Beletić A, Farkaš V, Rešetar Maslov D, Ljubić BB, Rubić I, Mrljak V, McLaughlin M, Eckersall D, Polizopoulou Z. Quantitative serum proteome analysis using tandem mass tags in dogs with epilepsy. J Proteomics 2024; 290:105034. [PMID: 37879566 DOI: 10.1016/j.jprot.2023.105034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/09/2023] [Accepted: 10/18/2023] [Indexed: 10/27/2023]
Abstract
This study included four groups of dogs (group A: healthy controls, group B: idiopathic epilepsy receiving antiepileptic medication (AEM), group C: idiopathic epilepsy without AEM, group D: structural epilepsy). Comparative quantitative proteomic analysis of serum samples among the groups was the main target of the study. Samples were analyzed by a quantitative Tandem-Mass-Tags approach on the Q-Exactive-Plus Hybrid Quadrupole-Orbitrap mass-spectrometer. Identification and relative quantification were performed in Proteome Discoverer. Data were analyzed using R. Gene ontology terms were analyzed based on Canis lupus familiaris database. Data are available via ProteomeXchange with identifier PXD041129. Eighty-one proteins with different relative adundance were identified in the four groups and 25 were master proteins (p < 0.05). Clusterin (CLU), and apolipoprotein A1 (APOA1) had higher abundance in the three groups of dogs (groups B, C, D) compared to controls. Amine oxidase (AOC3) was higher in abundance in group B compared to groups C and D, and lower in group A. Adiponectin (ADIPOQ) had higher abundance in groups C compared to group A. ADIPOQ and fibronectin (FN1) had higher abundance in group B compared to group C and D. Peroxidase activity assay was used to quantify HP abundance change, validating and correlating with proteomic analysis (r = 0.8796). SIGNIFICANCE: The proteomic analysis of serum samples from epileptic dogs indicated potential markers of epilepsy (CLU), proteins that may contribute to nerve tissue regeneration (APOA1), and contributing factors to epileptogenesis (AOC3). AEM could alter extracellular matrix proteins (FN1). Illness (epilepsy) severity could influence ADIPOQ abundance.
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Affiliation(s)
- Rania D Baka
- Diagnostic Laboratory, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Anđelo Beletić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Farkaš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Dina Rešetar Maslov
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Mrljak
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia; Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Marκ McLaughlin
- Institute of Biodiversity, Animal Health & Comparative Medicine and School of Veterinary Medicine, College of Medicine, Veterinary Medicine and Life Sciences,University of Glasgow, Glasgow G61 1QH, UK
| | - David Eckersall
- Institute of Biodiversity, Animal Health & Comparative Medicine and School of Veterinary Medicine, College of Medicine, Veterinary Medicine and Life Sciences,University of Glasgow, Glasgow G61 1QH, UK
| | - Zoe Polizopoulou
- Diagnostic Laboratory, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Beletić A, Kuleš J, Rešetar Maslov D, Farkaš V, Rubić I, Beer Ljubić B, Đuričić D, Žubčić D, Samardžija M, Mrljak V. Profiling the alterations of serum proteome in dairy cows with retained placenta using high-throughput tandem mass tags quantitative approach. Vet Q 2023; 43:1-13. [PMID: 36588465 PMCID: PMC9848263 DOI: 10.1080/01652176.2023.2164908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Retained placenta (RP), a quite common disorder in dairy cows, shows a high negative impact on their health status and milk production. AIM To investigate the difference in the serum proteome between the cows with RP and the physiologic puerperium (PP). MATERIAL & METHODS Analysis of serum samples from nine cows with RP and six with PP using high-resolution liquid chromatography-tandem mass spectrometry approach. The proteins differing in the relative abundance between the PP and RP groups were classified using the Protein Analysis Through Evolutionary Relationship tool. For the pathway enrichment analysis, the REACTOME tool, with the human genome as the background, was employed. The criterion for significance was the false discovery rate corrected P-value less than 0.05. RESULTS In total 651 proteins were identified with altered relative abundance of ten proteins. Among them, seven had higher, and three showed lower relative abundance in RP than in the PP group. The differently abundant proteins participated in 15 pathways: six related to hemostasis, three involved in lipoprotein metabolism, and the remaining ones associated with for instance redox homeostasis, post-translational modification, and scavenging. Finally, the validation of the proteomic results showed that haptoglobin and lipopolysaccharide-binding protein levels reliably differentiated between the RP and PP groups. CONCLUSION The pattern of serum proteome alterations in the cows with RP mirrored several interplaying mechanisms underlying the systematic response to the presence of RP, therefore representing a source to mine for predictive or prognostic biomarkers.
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Affiliation(s)
- Anđelo Beletić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia,CONTACT Anđelo Beletić Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Dina Rešetar Maslov
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Farkaš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Damir Žubčić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Marko Samardžija
- Reproduction and Obstetrics Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Mrljak
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia,Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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Rešetar Maslov D, Farkaš V, Rubić I, Kuleš J, Beletić A, Beer Ljubić B, Šmit I, Mrljak V, Torti M. Serum Proteomic Profiles Reflect the Stages of Myxomatous Mitral Valve Disease in Dogs. Int J Mol Sci 2023; 24:ijms24087142. [PMID: 37108311 PMCID: PMC10138901 DOI: 10.3390/ijms24087142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/05/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Canine myxomatous mitral valve disease (MMVD) is similar to Barlow's form of MMVD in humans. These valvulopathies are complex, with varying speeds of progression. We hypothesized that the relative abundances of serum proteins would help identify the consecutive MMVD stages and discover new disease pathways on a systemic level. To identify distinction-contributing protein panels for disease onset and progression, we compared the proteomic profiles of serum from healthy dogs and dogs with different stages of naturally occurring MMVD. Dogs were divided into experimental groups on the basis of the left-atrium-to-aorta ratio and normalized left ventricular internal dimension in diastole values. Serum was collected from healthy (N = 12) dogs, dogs diagnosed with MMVD in stages B1 (N = 13) and B2 (N = 12) (asymptomatic), and dogs diagnosed with MMVD in chronic stage C (N = 13) (symptomatic). Serum biochemistry and selected ELISAs (galectin-3, suppression of tumorigenicity, and asymmetric dimethylarginine) were performed. Liquid chromatography-mass spectrometry (LC-MS), tandem mass tag (TMT) quantitative proteomics, and statistical and bioinformatics analysis were employed. Most of the 21 serum proteins with significantly different abundances between experimental groups (p < 0.05, FDR ˂ 0.05) were classified as matrix metalloproteinases, protease inhibitors, scaffold/adaptor proteins, complement components, anticoagulants, cytokine, and chaperone. LC-MS TMT proteomics results obtained for haptoglobin, clusterin, and peptidase D were further validated analytically. Canine MMVD stages, including, for the first time, asymptomatic B1 and B2 stages, were successfully distinguished in dogs with the disease and healthy dogs on the basis of the relative abundances of a panel of specific serum proteins. Most proteins with significantly different abundances were involved in immune and inflammatory pathways. Their role in structural remodeling and progression of canine MMVD must be further investigated. Further research is needed to confirm the resemblance/difference with human MMVD. Proteomics data are available via ProteomeXchange with the unique dataset identifier PXD038475.
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Affiliation(s)
- Dina Rešetar Maslov
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Vladimir Farkaš
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Ivana Rubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Anđelo Beletić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Iva Šmit
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Vladimir Mrljak
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
| | - Marin Torti
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, 10000 Zagreb, Croatia
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Bilić P, Horvatić A, Kuleš J, Gelemanović A, Beer Ljubić B, Mũnoz-Prieto A, Gotić J, Žubčić D, Barić Rafaj R, Mrljak V. Serum and urine profiling by high-throughput TMT-based proteomics for the investigation of renal dysfunction in canine babesiosis. J Proteomics 2023; 270:104735. [PMID: 36174949 DOI: 10.1016/j.jprot.2022.104735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 02/01/2023]
Abstract
Canine babesiosis is a tick-borne disease caused by Babesia canis, with acute kidney injury as one of the common complications. In the study 8 healthy control dogs and 22 dogs with naturally occurring babesiosis were enrolled, with the aim to analyse differences in serum and urinary proteomes between healthy dogs and dogs with different degree of renal dysfunction in babesiosis using a label-based high-throughput quantitative proteomic approach. In serum, 58 proteins were found differentially abundant between healthy controls and groups of dogs with different degrees of renal dysfunction in babesiosis, while in urine there were 259 differentially abundant proteins. In addition, altered biological pathways were detected in the diseased dogs using bioinformatics tools and validation of several candidate biomarkers was performed. SIGNIFICANCE: The main aim of this comprehensive study was to perform analyses of serum and urinary proteomes of dogs with renal dysfunction in babesiosis compared to healthy dogs using, for the first time, a high-throughput proteomic method and functional enrichment analyses. Serum and urine samples of the same dogs were investigated in order to gain a more complete picture of pathologic changes taking place in renal dysfunction in babesiosis. We highlighted two putative biomarkers validated herein which could be of importance for early diagnosis of renal dysfunction in canine babesiosis, as they are easily accessible from urine and their concentration rises before the appearance of azotaemia: urinary neutrophil gelatinase-associated lipocalin (NGAL) and urinary liver-type fatty acid-binding protein (L-FABP).
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Affiliation(s)
- Petra Bilić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Anita Horvatić
- Department of Chemistry and Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
| | | | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Alberto Mũnoz-Prieto
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Jelena Gotić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Damir Žubčić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Renata Barić Rafaj
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Mrljak
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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Mihelić K, Vrbanac Z, Bojanić K, Kostanjšak T, Ljubić BB, Gotić J, Vnuk D, Bottegaro NB. Changes in Acute Phase Response Biomarkers in Racing Endurance Horses. Animals (Basel) 2022; 12:2993. [PMID: 36359117 PMCID: PMC9657625 DOI: 10.3390/ani12212993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 10/28/2023] Open
Abstract
This study aimed to evaluate if exercise-induced acute phase response (APR) occurs in endurance horses in response to the race. The study included 23 horses competing in an endurance competition with a successfully passed clinical examination before the race. Blood samples were collected before the start and within 30 min after the end of the race. Haematological and biochemical tests were performed and correlated to acute phase biomarkers changes. Values of calprotectin and haptoglobin (Hp) decreased after the races compared to values before, while concentrations of ceruloplasmin and albumin recorded a significant increase. Greater changes in calprotectin values were noted in Arabian horses compared to other breeds. Values of Hp showed a significantly greater decrease after longer races. Based on study results, endurance racing induces APR in horses characterised by significant changes in selected acute phase biomarkers. More pronounced changes were noted at races with higher average speeds, suggesting the need for thorough horse monitoring during exhausting races.
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Affiliation(s)
- Karla Mihelić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Zoran Vrbanac
- Department of Radiology, Ultrasound Diagnostic and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Krunoslav Bojanić
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10 000 Zagreb, Croatia
| | - Tara Kostanjšak
- Clinic for Surgery, Orthopaedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Blanka Beer Ljubić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Jelena Gotić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Dražen Vnuk
- Clinic for Surgery, Orthopaedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
| | - Nika Brkljača Bottegaro
- Clinic for Surgery, Orthopaedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
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Kuleš J, Rubić I, Beer Ljubić B, Bilić P, Barić Rafaj R, Brkljačić M, Burchmore R, Eckersall D, Mrljak V. Combined Untargeted and Targeted Metabolomics Approaches Reveal Urinary Changes of Amino Acids and Energy Metabolism in Canine Babesiosis With Different Levels of Kidney Function. Front Microbiol 2021; 12:715701. [PMID: 34603243 PMCID: PMC8484968 DOI: 10.3389/fmicb.2021.715701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/17/2021] [Indexed: 12/13/2022] Open
Abstract
Canine babesiosis is a tick-borne disease with a worldwide distribution, caused by the haemoprotozoan parasites of the genus Babesia. One of the most prevalent complication is acute kidney injury, and an early diagnosis of altered kidney function remains a challenge for veterinary practice. The aim of this study was to assess the urine metabolic profile from dogs with babesiosis and different degree of kidney function using untargeted and targeted MS-based metabolomics approaches. In this study, 22 dogs naturally infected with Babesia canis and 12 healthy dogs were included. Untargeted metabolomics approach identified 601 features with a differential abundance between the healthy group and groups of dogs with babesiosis and different level of kidney function, with 27 of them identified as a match to known standards; while targeted approach identified 17 metabolites with significantly different concentrations between the groups. A pattern of significantly altered metabolites referring to the inflammatory host response, oxidative stress, and energy metabolism modulation in babesiosis was presented. Our findings have demonstrated that kidney dysfunction accompanying canine babesiosis was associated with changes in amino acid metabolism, energy metabolism, fatty acid metabolism, and biochemical pathways such as urea cycle and ammonia detoxication. These findings will enable the inclusion of urinary markers for the detection and monitoring of renal damage in babesiosis, as well as in other similar diseases.
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Affiliation(s)
- Josipa Kuleš
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Petra Bilić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Renata Barić Rafaj
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Mirna Brkljačić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Richard Burchmore
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - David Eckersall
- College of Medical, Veterinary, and Life Sciences, Institute of Biodiversity, Animal Health, and Comparative Medicine, University of Glasgow, Glasgow, United Kingdom
| | - Vladimir Mrljak
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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10
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Kuleš J, Lovrić L, Gelemanović A, Beer Ljubić B, Rubić I, Bujanić M, Konjević D. Complementary liver and serum protein profile in wild boars infected by the giant liver fluke Fascioloides magna using tandem mass tags quantitative approach. J Proteomics 2021; 247:104332. [PMID: 34298188 DOI: 10.1016/j.jprot.2021.104332] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/21/2021] [Accepted: 07/03/2021] [Indexed: 01/01/2023]
Abstract
Liver fluke, Fascioloides magna, is an important non-native parasite introduced to Europe, posing a threat to survival of local wildlife populations. The aim of this study was to assess the serum and liver protein profile of control and F. magna infected wild boars, by means of shotgun tandem mass tag - based quantitative high resolution proteomics approach. In serum, 4 differentially abundant proteins were found out of total 1073 identified, while in liver from 3520 identified proteins, 116 were differentially abundant between healthy and F. magna infected wild boars. Pathway analysis revealed that most of the proteins differing in abundance are involved in metabolism, biological oxidations, cellular responses to stimuli, fatty acid metabolism, and others. Validation of proteomic results was performed for paraoxonase-1, ceruloplasmin, glutathione S-transferase and liver enzymes by ELISA and automated assays. Complementary analysis of liver and serum in F. magna infection enabled insight into changes of proteome profile of the host at local and sistemic level. Our findings showed that chronic infection with F. magna is associated with immune response in host, oxidative stress and metabolomic changes in liver. SIGNIFICANCE: Liver fluke infections are recognised as worldwide neglected diseases with considerable veterinary and public health importance. Pathological changes, clinical signs and outcome of F. magna infection are strongly related to the type of final hosts and their different tolerance to infection. In order to gain insight into host-parasite interactions in wild boars, dead-end host for F. magna, we assessed proteomics profile of serum and liver of control animals and those infected with F. magna. Proteomics analysis of serum and liver in parallel showed as advantageous and beneficial, demonstrating protein alterations mainly at local level. Bioinformatics analysis enabled elucidation of molecular pathways associated with F. magna infection. Identification and validation of proteins associated with infection may have added value to current tools for efficient liver fluke control.
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Affiliation(s)
- Josipa Kuleš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
| | - Lea Lovrić
- Department of Parasitology and Parasitic Diseases With Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Blanka Beer Ljubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Miljenko Bujanić
- Department of Veterinary Economics and Epidemiology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Dean Konjević
- Department of Veterinary Economics and Epidemiology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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11
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Šuran J, Aladrović J, Beer Ljubić B, Vlainić J, Mamić M, Radić B, Bačić G, Mačešić N, Benić M, Kostelić A, Božić F, Pavasović H, Radin L. The antioxidant effect of the novel bee-product based intramammary formulation Apimast® in dairy cattle. VET ARHIV 2020. [DOI: 10.24099/vet.arhiv.0865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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12
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Kuleš J, Bilić P, Horvatić A, Kovačević A, Guillemin N, Ljubić BB, Galan A, Jović I, Torti M, Rubić I, Eckersall PD, Mrljak V. Serum proteome profiling in canine chronic valve disease using a TMT-based quantitative proteomics approach. J Proteomics 2020; 223:103825. [PMID: 32422277 DOI: 10.1016/j.jprot.2020.103825] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/09/2020] [Accepted: 05/12/2020] [Indexed: 10/24/2022]
Abstract
Chronic valve disease (CVD) is the most common clinically significant heart disease of dogs, affecting 20 to 40% of dogs. The aim of this study was to evaluate the serum protein profile of healthy and CVD affected dogs, by means of an isobaric tandem mass tag (TMT) label-based high-resolution quantitative proteomic approach. Additionally, conventional cardiac biomarkers were measured in the serum, functional bioinformatics analysis was employed for elucidating molecular mechanisms and pathways associated with CVD, and validation of proteomic results was performed by immunoassays and Western blotting. Of 290 identified and quantified proteins, 15 proteins showed significantly different abundances (p < .05), including antithrombin-III, alpha-2-antiplasmin, tetranectin, apolipoprotein M, adiponectin, inter-alpha-trypsin inhibitor heavy chain H1, gelsolin and apolipoprotein B-100. The identified proteins with differently abundances are involved in a number of pathways, such as complement and coagulation cascades, haemostasis, regulation of actin cytoskeleton, lipid metabolism and transport. We found comparative similarities with human disease in terms of identified proteins and GO pathways, which confirmed similar pathophysiology of this disease, but also differences, mainly in lipid metabolism. SIGNIFICANCE: There have been few investigations of canine serum proteome despite the potential for biomarker discovery and comparative disease analysis. Establishing serum proteomic signatures in healthy dogs and dogs with CVD will benefit for understanding the aetiology of disease in dogs, identify putative biomarkers and provide models of comparative human disease. Circulating biomarkers are important for understanding of the mechanisms of cardiovascular disease and high incidence of CVD in dogs prioritizes the search for novel biomarkers.
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Affiliation(s)
- Josipa Kuleš
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Petra Bilić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Anita Horvatić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Alan Kovačević
- Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, Switzerland
| | - Nicolas Guillemin
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Blanka Beer Ljubić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Asier Galan
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Ines Jović
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Marin Torti
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Ivana Rubić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Peter David Eckersall
- College of Veterinary, Medical and Life sciences, School of Veterinary Medicine, University of Glasgow, UK
| | - Vladimir Mrljak
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Croatia.
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13
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Topić Popović N, Beer Ljubić B, Strunjak-Perović I, Babić S, Lorencin V, Jadan M, Čižmek L, Matulić D, Bojanić K, Čož-Rakovac R. Seasonal antioxidant and biochemical properties of the Northern Adriatic Pecten jacobaeus. PLoS One 2020; 15:e0230539. [PMID: 32187223 PMCID: PMC7080251 DOI: 10.1371/journal.pone.0230539] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/02/2020] [Indexed: 01/03/2023] Open
Abstract
The present work is the first study of Mediterranean scallop (Pecten jacobaeus) biochemical properties, antioxidant defenses, and free radical scavengers during the yearly seasons in the Northern Adriatic, off Istria. Scallop nutrient reserves (glucose, triglyceride, and cholesterol) in four tissues under examination were positively correlated and were predominant in digestive gland and gonad. The muscle energy maxima were in correlation with the maximum fall gonosomatic index (GSI), when diatoms and coccolithophorids thrive. The decrease of GSI in summer might be related to the spawning or resorption of gametes. Summer also revealed elevated levels of glucose in gonad and digestive gland, while muscle glucose and cholesterol significantly varied in spring vs. winter samples. In relation to the diatom seasonal abundance, carotenoids, namely astaxanthin peaks were found in digestive gland, which, being stimulators of calcium transport over cell membranes, could have contributed to the high digestive gland levels of calcium in winter. In winter, total antioxidative status (TAS) of scallop tissues was 3-fold higher than in other seasons, particularly in digestive gland, having a significant correlation with magnesium, a regulatory tool in oxidative processes. The winter maxima of TAS and thiobarbituric acid reactive substances TBARS in relation to summer maxima of glutathione peroxidase and superoxide dismutase in digestive glands indicate to a decrease in antioxidant defense during cold months, and are related to the accumulation of lipid peroxidation products (such as malondialdehyde) in digestive gland of scallops. Although the increased susceptibility to oxidative stress could be attributed to winter temperature, other factors such as the gonad maturation, availability of food supply, and salinity might counteract that effect. The seawater alterations of salinity, temperature and water quality are in relation to the river Po influx, which is very likely to influence the physiological and biochemical responses of scallops in the Northern Adriatic.
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Affiliation(s)
- Natalija Topić Popović
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
- * E-mail:
| | | | - Ivančica Strunjak-Perović
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
| | - Sanja Babić
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
| | | | - Margita Jadan
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
| | - Lara Čižmek
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
| | - Daniel Matulić
- Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
| | - Krunoslav Bojanić
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
| | - Rozelindra Čož-Rakovac
- Laboratory for Aquaculture Biotechnology, Ruđer Bošković Institute, Zagreb, Croatia
- Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Zagreb, Croatia
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14
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Folnožić I, Samardžija M, Đuričić D, Vince S, Perkov S, Jelušić S, Valpotić H, Ljubić BB, Lojkić M, Gračner D, Žaja IŽ, Maćešić N, Grizelj J, Dobranić T, Redžepi G, Šostar Z, Turk R. Effects of in-feed clinoptilolite treatment on serum metabolic and antioxidative biomarkers and acute phase response in dairy cows during pregnancy and early lactation. Res Vet Sci 2019; 127:57-64. [PMID: 31678454 DOI: 10.1016/j.rvsc.2019.10.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 10/20/2019] [Accepted: 10/21/2019] [Indexed: 11/29/2022]
Abstract
The objective of this study was to evaluate the effects of in-feed clinoptilolite (CPL) on serum metabolic and antioxidative biomarkers, acute phase proteins and reproductive performance in cows during pregnancy and lactation. A total of 78 Holstein-Friesian cows were randomly assigned into two groups: the treatment group, cows fed CPL (n = 38) which received 50 g of powdered CPL twice a day from day 180 before parturition to day 60 postpartum; and the control group (n = 40). Blood samples were taken on days 180, 90, 60, 30 and 10 before parturition, on day of calving and on days 5, 12, 19, 26, 33, 40 and 60 postpartum, and were analysed for metabolic biomarkers: glucose, triglycerides, total cholesterol, high density lipoprotein cholesterol, non-esterified fatty acids, beta-hydroxybutyrate (BHB), antioxidative biomarkers and acute phase proteins: paraoxonase-1 (PON1), apolipoprotein A-I, haptoglobin (Hp) and serum amyloid A (SAA). CPL supplementation increased concentration of glucose and significantly decreased (P < .05) level of BHB during puerperium. The SAA concentration in CPL-fed cows was significantly decreased (P < .05) on days 33, 40 and 60 postpartum as well as Hp concentration on days 0 and 12 postpartum. The results of this study suggest that the CPL-fed cows may have improved metabolic status due to the tendency of greater glucose levels and decreased BHB values during early lactation. In addition, acute phase response was lower (P < .05) in CPL-fed cows. Such an outcome might be attributed to the effect of dietary CPL on intensity and severity of the negative energy balance and inflammatory response in dairy cows.
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Affiliation(s)
- Ivan Folnožić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Marko Samardžija
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia.
| | - Dražen Đuričić
- Veterinary Practice Đurđevac, Malinov trg 7, 48350 Đurđevac, Croatia
| | - Silvijo Vince
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Sonja Perkov
- Merkur University Hospital, Zajčeva 19, 10000 Zagreb, Croatia
| | - Sanja Jelušić
- Andrija Stampar Teaching Institute for Public Health, Mirogojska 16, 10000 Zagreb, Croatia
| | - Hrvoje Valpotić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Blanka Beer Ljubić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Martina Lojkić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Damjan Gračner
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Ivona Žura Žaja
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Nino Maćešić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Juraj Grizelj
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Tomislav Dobranić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
| | - Gzim Redžepi
- University Hospital Centre, Jordanovac, Jordanovac 104, 10000 Zagreb, Croatia
| | - Zvonimir Šostar
- Andrija Stampar Teaching Institute for Public Health, Mirogojska 16, 10000 Zagreb, Croatia
| | - Romana Turk
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia
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15
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Muñoz-Prieto A, Nielsen LR, Dąbrowski R, Bjørnvad CR, Söder J, Lamy E, Monkeviciene I, Ljubić BB, Vasiu I, Savic S, Busato F, Yilmaz Z, Bravo-Cantero AF, Öhlund M, Lucena S, Zelvyte R, Aladrović J, Lopez-Jornet P, Caldin M, Lavrador C, Karveliene B, Mrljak V, Mazeikiene J, Tvarijonaviciute A. European dog owner perceptions of obesity and factors associated with human and canine obesity. Sci Rep 2018; 8:13353. [PMID: 30190536 PMCID: PMC6127309 DOI: 10.1038/s41598-018-31532-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 08/21/2018] [Indexed: 01/12/2023] Open
Abstract
Obesity is a common nutrition-related disorder leading to reduced life expectancy in both humans and dogs. With the aim of identifying new prevention and control options, the study objectives were (1) to investigate dog-owner perceptions about obesity in terms of themselves and their dogs, and (2) to identify factors associated with obesity and possible social, environmental and economic drivers for its development in dog owners and their pets. A cross-sectional questionnaire-based study was performed across multiple countries. The questionnaire focused on human and canine obesity, associated factors and potential drivers, and was distributed online and in the form of hard copies among dog owners in 11 European countries. In total, 3,185 responses from ten countries were included in multivariable analyses. Between 19.1% and 48.8% of the dog owners reported to be overweight/obese. Owner-reported overweight/obesity in dogs ranged from 6.0% to 31.3% based on body condition score charts, and 31.8% to 69.4% based on body fat index charts. Common factors associated with obesity in owners and their dogs were age, gender and owners' attitudes to diet and physical activity. Dog owners who did not consider obesity to be a disease were more likely to have obese dogs.
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Affiliation(s)
- Alberto Muñoz-Prieto
- Interlab-UMU, Regional Campus of International Excellence "Mare Nostrum", University of Murcia, Ed.16, 4a planta, Espinardo, Murcia, 30100, Spain
| | - Liza Rosenbaum Nielsen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark
| | - Roman Dąbrowski
- Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences, Gleboka 30 St, 20-612, Lublin, Poland
| | - Charlotte Reinhard Bjørnvad
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Dyrlægevej16, 1870, Frederiksberg C, Denmark
| | - Josefin Söder
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, P.O. Box 7011, SE_750 07, Uppsala, Sweden
| | - Elsa Lamy
- Instituto de Ciências Agrárias e Ambientais Mediterrânicas (ICAAM), Escola de Ciências e Tecnologia, Universidade de Évora, Núcleo da Mitra, Apartado 94, 7006-554, Évora, Portugal
| | - Ingrida Monkeviciene
- Department of Anatomy and Physiology, Research Center of Digestive Physiology and Pathology, Veterinary Academy, Lithuanian University of Health Sciences, Tilzes 18, LT-47181, Kaunas, Lithuania
| | - Blanka Beer Ljubić
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, Heinzelova 55, 10000, Zagreb, Croatia
| | - Iosif Vasiu
- Small Animal Emergency Hospital, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăştur 3-5, Cluj-Napoca, 400372, Romania
| | - Sara Savic
- Scientific Veterinary Institute "Novi Sad", Novi Sad, Serbia
| | | | - Zeki Yilmaz
- Department of Internal Medicine, Faculty of Veterinary Medicine, Uludag University, 16059, Nilufer, Bursa, Turkey
| | | | - Malin Öhlund
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Box 7054, 750 07, Uppsala, Sweden
| | - Sónia Lucena
- Instituto de Ciências Agrárias e Ambientais Mediterrânicas (ICAAM), Escola de Ciências e Tecnologia, Universidade de Évora, Núcleo da Mitra, Apartado 94, 7006-554, Évora, Portugal
| | - Rasa Zelvyte
- Department of Anatomy and Physiology, Research Center of Digestive Physiology and Pathology, Veterinary Academy, Lithuanian University of Health Sciences, Tilzes 18, LT-47181, Kaunas, Lithuania
| | - Jasna Aladrović
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine, Heinzelova 55, 10000, Zagreb, Croatia
| | - Pia Lopez-Jornet
- Department of Oral Medicine, Faculty of Medicine, University of Murcia, 30100, Espinardo, Spain
| | | | - Catarina Lavrador
- Instituto de Ciências Agrárias e Ambientais Mediterrânicas (ICAAM), Escola de Ciências e Tecnologia, Universidade de Évora, Núcleo da Mitra, Apartado 94, 7006-554, Évora, Portugal
| | - Birute Karveliene
- Veterinary faculty, Dr. L Kriaučeliūnas Small Animal Clinic (teaching hospital), Veterinary Academy, Lithuanian University of Health Sciences, Tilzes 18, LT-47181, Kaunas, Lithuania
| | - Vladimir Mrljak
- Clinic for Internal Diseases, Faculty of Veterinary Medicine, Heinzelova 55, 10000, Zagreb, Croatia
| | - Jovita Mazeikiene
- InMedica Vilnius - Alfa Clinic, Baltrusaicio 3, 06120, Vilnius, Lithuania
| | - Asta Tvarijonaviciute
- Interlab-UMU, Regional Campus of International Excellence "Mare Nostrum", University of Murcia, Ed.16, 4a planta, Espinardo, Murcia, 30100, Spain.
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16
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Kuleš J, Bilić P, Beer Ljubić B, Gotić J, Crnogaj M, Brkljačić M, Mrljak V. Glomerular and tubular kidney damage markers in canine babesiosis caused by Babesia canis. Ticks Tick Borne Dis 2018; 9:1508-1517. [DOI: 10.1016/j.ttbdis.2018.07.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/06/2018] [Accepted: 07/21/2018] [Indexed: 02/06/2023]
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17
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Aladrović J, Beer Ljubić B, Prvanović Babić N, Vranković L, Klepo E, Iličić L, Šimundža S, Radin L, Šuran J, Kos J, Stojević Z. The effect of training and the Alka competition on oxidative stress and metabolic parameters in two horse breeds. VET ARHIV 2018. [DOI: 10.24099/vet.arhiv.170215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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18
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Vranković L, Aladrović J, Ljubić BB, Pipal I, Prvanović-Babić N, Mašek T, Stojević Z. Blood biochemical parameters of bone metabolism in cows and calves kept in a beef suckler system during the early postpartum period. Livest Sci 2018. [DOI: 10.1016/j.livsci.2018.02.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Belić M, Radin L, Brkljača Bottegaro N, Beer Ljubić B, Benić M, Stanin D, Vrbanac Z. Reliability of Lactate Scout Portable Analyzer in Agility Dogs During Multiple Measurements. ACTA VET-BEOGRAD 2016. [DOI: 10.1515/acve-2016-0047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
The aim of this study was to evaluate the reliability of multiple measurements with Lactate Scout portable analyzer in dogs during treadmill exercise. Ten Border collies were involved in the study and blood samples were taken before, three times during and twice after the treadmill exercise. Lactate concentration was measured in duplicate, by Scout portable analyzer and the reference biochemical analyzer in the laboratory, and the obtained values were compared. There was a high and positive correlation between these two methods (r=0.96, p=0.003). The Lactate Scout analyzer reveals a high degree of agreement with the laboratory method and therefore can be valid for use in research of veterinary sports medicine and emergency veterinary medicine where multiple measurements of lactate concentrations are often needed.
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Affiliation(s)
- Maja Belić
- Department of Pathophysiology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Lada Radin
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Nika Brkljača Bottegaro
- Surgery, Orthopedics and Ophthalmology Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Damir Stanin
- Department of Radiology, Ultrasound Diagnostic and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Zoran Vrbanac
- Department of Radiology, Ultrasound Diagnostic and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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20
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Topić Popović N, Strunjak-Perović I, Klobučar RS, Barišić J, Babić S, Jadan M, Kepec S, Kazazić SP, Matijatko V, Beer Ljubić B, Car I, Repec S, Stipaničev D, Klobučar GIV, Čož-Rakovac R. Impact of treated wastewater on organismic biosensors at various levels of biological organization. Sci Total Environ 2015; 538:23-37. [PMID: 26298246 DOI: 10.1016/j.scitotenv.2015.08.044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 08/07/2015] [Accepted: 08/10/2015] [Indexed: 06/04/2023]
Abstract
Relating the treated wastewater quality and its impact on organismic biosensors (Prussian carp, Carassius gibelio and earthworm, Eisenia fetida) was the main objective of the study. The impact on health status of fish living downstream, microbiological contamination and antimicrobial resistance, fish tissue structure, blood biochemistry, oxidative stress, genotoxic effects, as well as multixenobiotic resistance mechanism (MXR) was assessed. Treated wastewater discharged from the WWTP modified the environmental parameters and xenobiotic concentrations of the receiving surface waters. Potential bacterial pathogens from fish and respective waters were found in relatively low numbers, although they comprised aeromonads with a zoonotic potential. High resistance profiles were determined towards the tested antimicrobial compounds, mostly sulfamethoxazole and erythromycin. Histopathology primarily revealed gill lamellar fusion and reduction of interlamellar spaces of effluent fish. A significant increase in plasma values of urea, total proteins, albumins and triglycerides and a significant decrease in the activity of plasma superoxide dismutase were noted in carp from the effluent-receiving canal. Micronucleus test did not reveal significant differences between the examined groups, but a higher frequency of erythrocyte nuclear abnormalities was found in fish sampled from the effluent-receiving canal. Earthworms indicated to the presence of MXR inhibitors in water and sludge samples, thus proving as a sensitive sentinel organism for environmental pollutants. The integrative approach of this study could serve as a guiding principle in conducting evaluations of the aquatic habitat health in complex bio-monitoring studies.
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Affiliation(s)
- Natalija Topić Popović
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia.
| | - Ivančica Strunjak-Perović
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Roberta Sauerborn Klobučar
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Josip Barišić
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Sanja Babić
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Margita Jadan
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Slavko Kepec
- Virkom d.o.o, Public Water Supply and Wastewater Services, Kralja Petra Krešimira IV 30, Virovitica. Croatia
| | - Snježana P Kazazić
- Laboratory for Chemical Kinetics and Atmospheric Chemistry, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Vesna Matijatko
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia
| | - Ivan Car
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
| | - Siniša Repec
- Croatian Waters, Main Water Management Laboratory, Ul. grada Vukovara 220, Zagreb, Croatia
| | - Draženka Stipaničev
- Croatian Waters, Main Water Management Laboratory, Ul. grada Vukovara 220, Zagreb, Croatia
| | - Goran I V Klobučar
- Division of Zoology, Department of Biology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, Zagreb, Croatia
| | - Rozelindra Čož-Rakovac
- Laboratory for Ichthyopathology-Biological Materials, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia
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21
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Župan I, Tkalčić S, Šarić T, Čož-Rakovac R, Strunjak-Perović I, Topić-Popović N, Kardum M, Kanski D, Ljubić BB, Matijatko V, Poljičak-Milas N. Supplementation with imuno-2865® in gilthead sea bream (Sparus aurata Linnaeus, 1758): Effects on hematological and antioxidant parameters. Fish Shellfish Immunol 2015; 47:590-594. [PMID: 26455665 DOI: 10.1016/j.fsi.2015.09.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 09/21/2015] [Accepted: 09/29/2015] [Indexed: 06/05/2023]
Abstract
The aim of this study was to evaluate the effects of IMUNO-2865(®) on hematological and antioxidative parameters in sea bream. Total of 640 sea bream were fed with diets containing 0 (Group 1), 1 (Group 2), 10 (Group 3) and 25 (Group 4) g of IMUNO-2865(®) kg(-1) feed during 90 days. Samples were taken each month and three months after the supplementation. A significant heterophils increase was observed in group 4 compared to group 1 after two months, and an increase in monocytes number was observed in group 4 compared to the other groups after one month. Glutathione peroxidase (GSH-Px) and paraoxonase-1 (PON1) were significantly increased in groups 3 and 4 compared to the control group three months into the experiment. Superoxide dismutase (SOD) was increased in group 4 compared to the control group from day 60 until the end of the experiment, and in groups 2 and 3 compared to the control after three months. Based on the differences in the cellular immunity and oxidative stress parameters, with an overall absence of mortality, the results of this study suggest that the use of IMUNO-2865(®) in aquaculture is safe and possess a cumulative immunostimulatory effect on sea bream.
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Affiliation(s)
- Ivan Župan
- University of Zadar, Department of Ecology, Agronomy and Aquaculture, Zadar, 23000, Croatia.
| | - Suzana Tkalčić
- Western University of Health Sciences, College of Veterinary Medicine, Pomona, CA, 91766, USA
| | - Tomislav Šarić
- University of Zadar, Department of Ecology, Agronomy and Aquaculture, Zadar, 23000, Croatia
| | - Rozalindra Čož-Rakovac
- Ruđer Bošković Institute, Laboratory for Ichthyopathology - Biological Materials, 10000, Zagreb, Croatia
| | - Ivančica Strunjak-Perović
- Ruđer Bošković Institute, Laboratory for Ichthyopathology - Biological Materials, 10000, Zagreb, Croatia
| | - Natalija Topić-Popović
- Ruđer Bošković Institute, Laboratory for Ichthyopathology - Biological Materials, 10000, Zagreb, Croatia
| | - Matko Kardum
- University of Zagreb, Faculty of Veterinary Medicine, Department of Pathophysiology, Zagreb, 10000, Croatia
| | - Danijel Kanski
- WWF Adria, World Wide Fund for Nature, Kranjčevićeva 5, 10000, Zagreb, Croatia
| | - Blanka Beer Ljubić
- University of Zagreb, Faculty of Veterinary Medicine, Internal Diseases Clinic, 10000, Zagreb, Croatia
| | - Vesna Matijatko
- University of Zagreb, Faculty of Veterinary Medicine, Internal Diseases Clinic, 10000, Zagreb, Croatia
| | - Nina Poljičak-Milas
- University of Zagreb, Faculty of Veterinary Medicine, Department of Pathophysiology, Zagreb, 10000, Croatia
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22
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Borovac Štefanović L, Kalinić D, Mimica N, Beer Ljubić B, Aladrović J, Mandelsamen Perica M, Curić M, Grošić PF, Delaš I. Oxidative status and the severity of clinical symptoms in patients with post-traumatic stress disorder. Ann Clin Biochem 2014; 52:95-104. [PMID: 24707007 DOI: 10.1177/0004563214528882] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The aim of this study was to measure the parameters of oxidative stress in the blood of patients with post-traumatic stress disorder. METHODS The study included 80 male war veterans who participated actively in the Homeland war in Croatia. Volunteers were divided into two groups: 50 veterans diagnosed with post-traumatic stress disorder and 30 without diagnosis. The self-assessment Hospital Anxiety and Depression Scale and the Beck Depression Inventory were used to detect the severity of depression and anxiety in the post-traumatic stress disorder patients. Catalytic concentrations of superoxide dismutase and glutathione peroxidase in erythrocytes and the concentration of malondialdehyde in serum were measured spectrophotometrically. RESULTS Although the catalytic concentrations of erythrocyte superoxide dismutase and erythrocyte glutathione peroxidase were within the reference range for both groups, the values obtained for the post-traumatic stress disorder group were significantly lower (P<0.001). For serum malondialdehyde concentrations, no statistically significant differences between the groups were found. CONCLUSIONS Lower catalytic concentrations of erythrocyte superoxide dismutase and erythrocyte glutathione peroxidase in patients with post-traumatic stress disorder may indicate a weaker response to oxidative stress due to impaired enzyme activity and/or decreased synthesis. Conversely, no significant changes in serum malondialdehyde concentrations suggest a compensated balance and adaptive response to (oxidative) stress.
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Affiliation(s)
| | - Dubravka Kalinić
- School of Medicine, University of Zagreb, Zagreb, Croatia University Psychiatric Hospital Vrapče, Zagreb, Croatia
| | - Ninoslav Mimica
- School of Medicine, University of Zagreb, Zagreb, Croatia University Psychiatric Hospital Vrapče, Zagreb, Croatia
| | | | - Jasna Aladrović
- Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Maja Curić
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Ivančica Delaš
- School of Medicine, University of Zagreb, Zagreb, Croatia
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23
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Lazarus M, Orct T, Aladrović J, Ljubić BB, Jurasović J, Blanuša M. Effect of selenium pre-treatment on antioxidative enzymes and lipid peroxidation in Cd-exposed suckling rats. Biol Trace Elem Res 2011; 142:611-22. [PMID: 20652648 DOI: 10.1007/s12011-010-8775-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2010] [Accepted: 07/09/2010] [Indexed: 11/28/2022]
Abstract
Since there are no data about the protective role of selenium (Se) against cadmium (Cd)-induced oxidative damage in early life, we studied the effect of Se supplementation on antioxidative enzyme activity and lipid peroxidation (through thiobarbituric acid reactive substances; TBARS) in suckling Wistar rats exposed to Cd. Treated animals received either Se alone for 9 days (8 μmol, i.e., 0.6 mg Se as Na(2)SeO(3) kg(-1) b.w., daily, orally; Se group), Cd alone for 5 days (8 μmol, i.e., 0.9 mg Cd as CdCl(2) kg(-1) b.w., daily, orally; Cd group), or pre-treatment with Se for 4 days and then co-treatment with Cd for the following 5 days (Se + Cd group). Our results showed that selenium supplementation, with and without Cd, increased SOD activity in the brain and kidney, but not in the liver and GSH-Px activity across all tissues compared to control rats receiving distilled water. Relative to the Cd group, Se + Cd group had higher kidney and brain SOD and GSH-Px activity (but not the liver), while in the liver caused increased and in the brain decreased TBARS level. These results suggest that Se stimulates antioxidative enzymes in immature kidney and brain of Cd-exposed rats and could protect against oxidative damage.
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Affiliation(s)
- Maja Lazarus
- Analytical Toxicology and Mineral Metabolism Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, P.O. Box 291, HR-10001 Zagreb, Croatia.
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24
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Milinković-Tur S, Stojević Z, Pirsljin J, Zdelar-Tuk M, Poljicak-Milas N, Ljubić BB, Gradinski-Vrbanac B. Effects of fasting and refeeding on the antioxidant system in cockerels and pullets. Acta Vet Hung 2007; 55:181-9. [PMID: 17555282 DOI: 10.1556/avet.55.2007.2.3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The effect of fasting and refeeding on total antioxidant status (TAS), glutathione peroxidase (GSH-Px) activity and concentration of some non-enzymatic antioxidant compounds was studied in cockerels and pullets. Blood was collected before and after 48-h fasting and 24 h after refeeding. In cockerels, fasting resulted in a significant decrease of TAS and uric acid concentration. After refeeding, the concentration of TAS remained significantly lower as compared to the control level. At the same time, blood plasma level of total lipids increased in comparison to the control and post-fasting values. In pullets, fasting resulted in a significant decrease of whole blood haemolysate GSH-Px activity and blood plasma concentrations of albumin and uric acid. Simultaneously, a significant increase in total lipids and cholesterol was obtained. In pullets, refeeding resulted in a further decrease of TAS to undetectable values, a significant decrease of blood plasma cholesterol, and a significant increase of GSH-Px in the whole blood haemolysate and in blood plasma uric acid content. The results indicate that fasting has a negative impact on the antioxidant defence system of the blood, which leads to a reduced resistance to oxidative stress in both cockerels and pullets. However, pullets seem to be more susceptible to fasting-provoked oxidative stress than cockerels.
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Affiliation(s)
- Suzana Milinković-Tur
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000 Zagreb, Croatia.
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