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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] [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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Levent P, Kocaturk M, Akgun E, Saril A, Cevik O, Baykal AT, Tanaka R, Ceron JJ, Yilmaz Z. Platelet proteome changes in dogs with congestive heart failure. BMC Vet Res 2020; 16:466. [PMID: 33256720 PMCID: PMC7708215 DOI: 10.1186/s12917-020-02692-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Platelets play a central role in the development of cardiovascular diseases and changes in their proteins are involved in the pathophysiology of heart diseases in humans. There is lack of knowledge about the possible role of platelets in congestive heart failure (CHF) in dogs. Thus, this study aimed to investigate the changes in global platelet proteomes in dogs with CHF, to clarify the possible role of platelets in the physiopathology of this disease. Healthy-dogs (n = 10) and dogs with acute CHF due to myxomatous mitral valve disease (MMVD, n = 10) were used. Acute CHF was defined based on the clinical (increased respiratory rate or difficulty breathing) and radiographic findings of pulmonary edema. Dogs Blood samples were collected into tubes with acid-citrate-dextrose, and platelet-pellets were obtained by centrifuge and washing steps. Platelet-proteomes were identified using LC-MS based label-free differential proteome expression analysis method and matched according to protein database for Canis lupus familiaris. RESULTS Totally 104 different proteins were identified in the platelets of the dogs being 4 out of them were significantly up-regulated and 6 down-regulated in acute CHF dogs. Guanine-nucleotide-binding protein, apolipoproteins (A-II and C-III) and clusterin levels increased, but CXC-motif-chemokine-10, cytochrome-C-oxidase-subunit-2, cathepsin-D, serine/threonine-protein-phosphatase-PP1-gamma-catalytic-subunit, creatine-kinase-B-type and myotrophin levels decreased in acute CHF dogs. These proteins are associated with several molecular functions, biological processes, signaling systems and immune-inflammatory responses. CONCLUSION This study describes by first time the changes in the protein composition in platelets of dogs with acute CHF due to MMVD. Our findings provide a resource for increase the knowledge about the proteome of canine platelets and their roles in CHF caused by MMVD and could be a tool for further investigations about the prevention and treatment of this disease.
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Affiliation(s)
- Pinar Levent
- Department of Internal Medicine, Faculty of Veterinary Medicine, Bursa Uludag University, 16059, Bursa, Turkey
| | - Meriç Kocaturk
- Department of Internal Medicine, Faculty of Veterinary Medicine, Bursa Uludag University, 16059, Bursa, Turkey
| | - Emel Akgun
- Department of Medical Biochemistry, Acibadem University School of Medicine, Istanbul, Turkey
| | - Ahmet Saril
- Department of Internal Medicine, Faculty of Veterinary Medicine, Bursa Uludag University, 16059, Bursa, Turkey
| | - Ozge Cevik
- Department of Basic Science, Medical Biochemistry, Adnan Menderes University School of Medicine, Aydin, Turkey
| | - Ahmet Tarik Baykal
- Department of Medical Biochemistry, Acibadem University School of Medicine, Istanbul, Turkey
| | - Ryou Tanaka
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo, 183-8509, Japan
| | - Jose Joaquin Ceron
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100, Murcia, Spain
| | - Zeki Yilmaz
- Department of Internal Medicine, Faculty of Veterinary Medicine, Bursa Uludag University, 16059, Bursa, Turkey.
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The Rare Occurrence of a Left Atrial Thrombus in a Dog. Case Rep Vet Med 2020; 2020:8848627. [PMID: 33149956 PMCID: PMC7603567 DOI: 10.1155/2020/8848627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 10/05/2020] [Indexed: 11/18/2022] Open
Abstract
Intracardiac thrombi are rare in dogs. If they occur, they are mostly seen in the right atrium while only two case reports describing a mural left atrial thrombus in dogs are available. This case report describes a 14-year-old mixed-breed bitch that was presented at the clinic because of dyspnoea. The dog suffered from alopecia for about three years and displayed polyuria and polydipsia for a number of months. Clinical examination revealed intensified inspiratory and expiratory respiratory sounds and various heart sounds. Chest X-ray showed cardiomegaly (VHS 11) and a mixed bronchoalveolar lung pattern of the caudal lung. A transthoracic echocardiography was performed and showed a moderate mitral regurgitation, a highly dilated left atrium, a low-grade pulmonary insufficiency, and a minimal aortic and tricuspid insufficiency. Additionally, a free-floating ball thrombus was found in the left atrium. Hyperadrenocorticism was indicated by an ACTH stimulation test. The previous medical therapy of the referring veterinarian consisted of benazepril and furosemide and was complemented by clopidogrel. The pet owners declined any further clinical diagnostics and therapy. The dog died 19 days later. This is the first reported case of a dog with a free-floating left atrial thrombus. Specific therapeutic strategies for intracardiac thrombi in the dog are currently not available, and therefore, every patient should be treated individually.
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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] [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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