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Gris AH, Piva MM, Schwertz CI, Mori AP, Saremba C, Simon DM, Sonne L, Pavarini SP, Driemeier D. Auricular and laryngeal chondritis in nursery and finishing pigs. Vet Pathol 2024; 61:88-94. [PMID: 37470276 DOI: 10.1177/03009858231186101] [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] [Indexed: 07/21/2023]
Abstract
This work aimed to characterize the clinic-pathological presentation of an outbreak of auricular and laryngeal chondritis in pigs. Visits were made to pig farms, where the clinical history was obtained, and clinical and postmortem examinations were performed. In those farms, 3% to 4% of pigs presented otohematomas, which started in the nursery and extended to the finishing phase. Moreover, some finishing pigs presented with respiratory distress, initially characterized as inspiratory dyspnea, associated by an uncommon respiratory stridor and culminating in death. Grossly, nursery piglets had enlarged ears, and on the cut surface, the cartilage was fragmented and associated with blood clots. In the finishing phase, in addition to auricular lesions, the epiglottis and arytenoid cartilages were thickened and distorted, which partially occluded the lumen. Microscopically, the laryngeal and auricular cartilages were fragmented, displayed a loss of matrix basophilia, and were surrounded by lymphohistiocytic inflammatory infiltrate, with occasional multinucleated giant cells and fibrosis. The lesions exclusively affected elastic cartilages. The disease in finishing pigs led to increased mortality and was a differential diagnosis to respiratory challenges. It was not possible to determine the factor that triggered this condition; however, a nutritional association is suspected. To the authors' knowledge, this is the first report of primary auricular and laryngeal chondritis in pigs.
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Affiliation(s)
- Anderson H Gris
- Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Manoela M Piva
- Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Claiton I Schwertz
- Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Inata Produtos Biológicos, Uberlândia, Brazil
| | - Ana P Mori
- Inata Produtos Biológicos, Uberlândia, Brazil
| | | | | | - Luciana Sonne
- Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - David Driemeier
- Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Piva MM, Schwertz CI, Bianchi RM, Henker LC, Morés MAZ, Rebelatto R, Kemper RT, Goslar MS, Nagae RY, Pavarini SP. Pasteurella multocida polyserositis in growing-finishing pigs. J Comp Pathol 2023; 202:16-22. [PMID: 37023584 DOI: 10.1016/j.jcpa.2023.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 10/10/2022] [Revised: 01/16/2023] [Accepted: 03/08/2023] [Indexed: 04/08/2023]
Abstract
Pasteurella multocida is the main secondary bacterium isolated from cases of swine pneumonia. Although highly pathogenic strains of P. multocida have been associated with primary septic lesions and polyserositis in pigs, studies on this pathological presentation in naturally occurring cases are limited. The aim of this work was to characterize the clinical, pathological and molecular findings in cases of P. multocida polyserositis in growing-finishing pigs in a commercial farm in Brazil. The mean age of 17 investigated pigs was 120 days. Clinically, the disease was acute (11/17), with clinical signs of dyspnoea and apathy. Sudden death occurred in some animals (6/17). The main gross findings included fibrinous serositis affecting the abdominal and thoracic cavities (17/17), fibrinous pericarditis (15/17), marked cranioventral pulmonary consolidation (17/17) and splenic infarcts (3/17). P. multocida was isolated in all cases from systemic sites, including the pericardial sac and abdominal exudate. Molecular typing of genus and species was performed on four isolates, and all were characterized as P. multocida type A. Another five isolates were positive for the pathogenicity marker gene pfhA by polymerase chain reaction. This study reinforces the role of P. multocida as a cause of polyserositis in growing-finishing pigs.
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Affiliation(s)
- Manoela M Piva
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Ronaldo M Bianchi
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luan C Henker
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | | | | | - Regina T Kemper
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Mariana S Goslar
- Empresa Seara Alimentos, Laboratório de Sanidade Animal, Seara, Santa Catarina, Brazil
| | - Ricardo Y Nagae
- Empresa Seara Alimentos, Laboratório de Sanidade Animal, Seara, Santa Catarina, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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Lorenzett MP, Armién AG, Henker LC, Schwertz CI, Cruz RAS, Panziera W, de Barros CSL, Driemeier D, Pavarini SP. Motor and somatosensory degenerative myelopathy responsive to pantothenic acid in piglets. Vet Pathol 2023; 60:101-114. [PMID: 36250539 PMCID: PMC9827486 DOI: 10.1177/03009858221128920] [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: 01/31/2023]
Abstract
This report describes 2 events of degenerative myelopathy in 4- to 27-day-old piglets, with mortality rates reaching 40%. Sows were fed rations containing low levels of pantothenic acid. Piglets presented with severe depression, weakness, ataxia, and paresis, which were more pronounced in the pelvic limbs. No significant gross lesions were observed. Histologically, there were degeneration and necrosis of neurons in the spinal cord, primarily in the thoracic nucleus in the thoracic and lumbar segments, and motor neurons in nucleus IX of the ventral horn in the cervical and lumbar intumescence. Minimal-to-moderate axonal and myelin degeneration was observed in the dorsal funiculus of the spinal cord and in the dorsal and ventral nerve roots. Immunohistochemistry demonstrated depletion of acetylcholine neurotransmitters in motor neurons and accumulation of neurofilaments in the perikaryon of neurons in the thoracic nucleus and motor neurons. Ultrastructurally, the thoracic nucleus neurons and motor neurons showed dissolution of Nissl granulation. The topographical distribution of the lesions indicates damage to the second-order neurons of the spinocerebellar tract, first-order axon cuneocerebellar tract, and dorsal column-medial lemniscus pathway as the cause of the conscious and unconscious proprioceptive deficit, and damage to the alpha motor neuron as the cause of the motor deficit. Clinical signs reversed and no new cases occurred after pantothenic acid levels were corrected in the ration, and piglets received parenteral administration of pantothenic acid. This study highlights the important and practical use of detailed neuropathological analysis to refine differential diagnosis.
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Affiliation(s)
| | - Aníbal G. Armién
- University of California, Davis, Davis,
CA,Aníbal G. Armién, California Animal Health
& Food Safety Laboratory System, University of California, Davis, 620 W.
Health Sciences Drive, Davis, CA 95616, USA.
| | - Luan C. Henker
- Universidade Federal do Rio Grande do
Sul, Porto Alegre, Brazil
| | | | | | - Welden Panziera
- Universidade Federal do Rio Grande do
Sul, Porto Alegre, Brazil
| | | | - David Driemeier
- Universidade Federal do Rio Grande do
Sul, Porto Alegre, Brazil
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Gris AH, Bianchi RM, Schwertz CI, Piva MM, Richter G, Sonne L, Driemeier D, Pavarini SP. Pituitary pars intermedia dysfunction in horses associated to pituitary adenoma. Pesq Vet Bras 2023. [DOI: 10.1590/1678-5150-pvb-7117] [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] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
ABSTRACT: The clinical syndrome of the pituitary pars intermedia dysfunction (PPID) is the most common endocrinopathy of older horses. This syndrome is characterized by several clinical and pathological changes, which are usually associated with adenomas of the pars intermedia (PI) of the pituitary gland. The aim of this work is to describe five cases of pituitary adenoma of the PI associated with PPID in horses, addressing its clinical and pathological aspects. The horses had a mean of 22 years of age. The main clinical signs were hirsutism and paresis of hind limbs, and at post mortem examination all horses had hirsutism, and a nodule in the pituitary gland, which was histologically characterized as an adenoma of PI (5/5). Furthermore, two horses had gross lesions suggestive of chronic laminitis. Moreover, there was intense parasitism of Sarcocystis neurona (2/5), Strongylus vulgaris (1/5), Parascaris equorum (1/5), Draschia megastoma (1/5), and Klossiella equi (1/5).
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Piva MM, Schwertz CI, Henker LC, Bianchi RM, Kemper RT, de Almeida BA, Nagae RY, Michaelsen TR, Pavarini SP. Non-ambulatory pigs in two Brazilian growing-finishing farms: a clinic, etiological and pathological perspective on 76 cases. Porcine Health Manag 2022; 8:36. [PMID: 35948945 PMCID: PMC9364575 DOI: 10.1186/s40813-022-00279-6] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/01/2022] [Indexed: 12/04/2022] Open
Abstract
Background Non-ambulatory pigs, colloquially known as downers or downed pigs, are animals presented with limited to no mobility, usually as a result of pre-existing neurologic or musculoskeletal conditions. Impaired ambulation is a major cause of euthanasia in pigs, leading to economic losses and animal welfare concerns. Additionally, reaching the underlying diagnosis of impaired ambulation in pigs is commonly a challenging task for swine practitioners. The aim of this necropsy-based study was to report the clinical, etiological, and pathological findings of 76 non-ambulatory grower-finisher pigs, and to correlate tail-biting lesions with the causes of death/reason for euthanasia in non-ambulatory pigs. Necropsies of downed pigs were performed during on-site visits to two pig farms in southern Brazil. Results The diagnosis of the conditions was based on the clinical, macroscopic, histopathological, bacteriological, immunohistochemical, and molecular findings. The diseases diagnosed in non-ambulatory pigs in this study were suppurative arthritis (29/76), suppurative spondylitis (10/76), PVC-2 associated diseases (8/76), bone fracture (7/76), non-suppurative meningoencephalomyelitis (4/76), suppurative meningoencephalitis (6/76), fibrocartilaginous thromboembolism (3/76), epiphysiolysis (3/76), ascending bacterial myelitis (3/76), and other conditions (3/76). The frequency of suppurative arthritis, suppurative spondylitis, and ascending bacterial myelitis/meningitis was higher in pigs with tail biting lesions than controls (P < 0.001). Conclusions Non-ambulatory pigs were observed during the entire rearing period, however, the occurrence of non-ambulatory pigs increased in animals aged ≥ 150 days. Infectious diseases were the most common cause of downed pigs, mainly associated with chronic bacterial infections. Tail biting lesions were an important predisposing factor to suppurative arthritis, suppurative spondylitis, and ascending bacterial myelitis/meningitis.
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Affiliation(s)
- Manoela Marchezan Piva
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil.
| | - Claiton I Schwertz
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
| | - Luan Cleber Henker
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
| | - Ronaldo Michel Bianchi
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
| | - Regina Tose Kemper
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
| | - Bruno Albuquerque de Almeida
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
| | - Ricardo Yuiti Nagae
- Animal Health Laboratory, Seara Alimentos LTDA, 155 Av. Paludo, Industrial, Seara, Santa Catarina, 89770-000, Brazil
| | - Taís Regina Michaelsen
- Animal Health Laboratory, Seara Alimentos LTDA, 155 Av. Paludo, Industrial, Seara, Santa Catarina, 89770-000, Brazil
| | - Saulo Petinatti Pavarini
- Departament of Veterinary Pathology, Faculty of Veterinary Medicine, Federal University of Rio Grande Do Sul - UFRGS, 9090 Av. Bento Gonçalves, Porto Alegre, Rio Grande Do Sul, 91540-000, Brazil
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Cecco BS, Henker LC, Lorenzett MP, Molossi FA, Schwertz CI, Baumbach LF, Weber MN, Canal CW, Driemeier D, Pavarini SP, Langohr IM, Carossino M, Balasuriya UBR, Sonne L. An outbreak of visna-maedi in a flock of sheep in Southern Brazil. Braz J Microbiol 2022; 53:1723-1730. [PMID: 35478313 PMCID: PMC9433499 DOI: 10.1007/s42770-022-00763-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 09/29/2021] [Accepted: 04/19/2022] [Indexed: 11/26/2022] Open
Abstract
Visna-maedi is a multisystemic and progressive inflammatory disease caused by a non-oncogenic retrovirus (Visna-maedi virus, VMV). An outbreak of visna-maedi occurred in Southern Brazil in sheep with clinical signs of blindness and stumbling gait. At post-mortem examination, all animals had similar lesions, including heavy non-collapsed lungs and multifocal yellow areas in the cerebral white matter, affecting mainly the periventricular region. These lesions corresponded histologically to lymphocytic interstitial pneumonia and histiocytic periventricular encephalitis surrounding areas of necrosis, in addition to significant demyelination in the brain. Serology was performed in all the sheep from the flock and 14% were seropositive for VMV. The presence of VMV was confirmed through PCR and partial sequencing of the 5'LTR. Sequencing demonstrated that the virus had 89.7 to 90.0% of nucleotide identity with VMV strains reported in the USA. This is the first description of clinical disease related to VMV in Brazil leading to economic losses. This study calls for the need to implement control measures to prevent the spread of small ruminant lentiviruses in Brazil.
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Affiliation(s)
- Bianca S Cecco
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Luan C Henker
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Marina P Lorenzett
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Franciéli A Molossi
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Letícia F Baumbach
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Ingeborg M Langohr
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Mariano Carossino
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Udeni B R Balasuriya
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Luciana Sonne
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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Hammerschmitt ME, Schwertz CI, Lopes BC, Pereira PR, Frandoloso R, Driemeier D. Clinical and pathological aspects of an outbreak of Streptococcus suis serotype 9 infection in pigs. Pesq Vet Bras 2022. [DOI: 10.1590/1678-5150-pvb-7004] [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] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
ABSTRACT: Streptococcus suis is a Gram-positive pathogen that inhabits the upper respiratory tract and can cause severe systemic inflammatory disease in pigs, mainly during the nursery phase. Streptococcus suis is a reemergent pathogen, and outbreaks of its inducing disease represent significant economic losses for the pig industry worldwide. In this study, we described the clinical, pathological, and molecular aspects of an outbreak of S. suis infection with atypically high mortality. The outbreak occurred in nursery farms integrated into a cooperative in the state of Paraná, Brazil. Of the 30 nurseries, 10 were severely affected by the pathogen and had high economic losses. Clinical signs usually started approximately 10 days after weaning and were mainly characterized by acute nervous and locomotor disorders. The mortality of the affected batches usually ranged between 8% and 10%, but in some cases, it reached 18%. Nine piglets were submitted to post mortem examination. Macroscopically, the synovial joints were enlarged and contained fibrinous exudates. In the central nervous system, there was hyperemia of the leptomeningeal vessels associated with deposition of fibrin and purulent exudate in the leptomeninges. In three piglets, there was thickening of the choroid plexus associated with dilation of the lateral ventricles. Microscopic lesions were characterized mainly by fibrinosuppurative inflammation, which involved the synovial membranes, leptomeninges of the brain, and spinal cord. Furthermore, it also affects the choroid plexus, ependyma, nerve roots, and central canal of the spinal cord. S. suis was isolated from the cerebrospinal fluid, meningeal swabs, and/or synovial fluid of 8/9 piglets, and typified as serotype 9 by multiplex PCR.
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Zancan LR, Bruinsmann FA, Paese K, Türck P, Bahr A, Zimmer A, Carraro CC, Schenkel PC, Belló-Klein A, Schwertz CI, Driemeier D, Pohlmann AR, Guterres SS. Oral delivery of ambrisentan-loaded lipid-core nanocapsules as a novel approach for the treatment of pulmonary arterial hypertension. Int J Pharm 2021; 610:121181. [PMID: 34653563 DOI: 10.1016/j.ijpharm.2021.121181] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 10/04/2021] [Accepted: 10/08/2021] [Indexed: 12/29/2022]
Abstract
Ambrisentan (AMB) is an orphan drug approved for oral administration that has been developed for the treatment of pulmonary arterial hypertension (PAH), a chronic and progressive pathophysiological state that might result in death if left untreated. Lipid-core nanocapsules (LNCs) are versatile nanoformulations capable of loading lipophilic drugs for topical, vaginal, oral, intravenous, pulmonary, and nasal administration. Our hypothesis was to load AMB into these nanocapsules (LNCamb) and test their effect on slowing or reducing the progression of monocrotaline-induced PAH in a rat model, upon oral administration. LNCamb displayed a unimodal distribution of diameters (around 200 nm), negative zeta potential (-11.5 mV), high encapsulation efficiency (78%), spherical shape, and sustained drug release (50-60% in 24 h). The in vivo pharmacodynamic effect of the LNCamb group was evaluated by observing the echocardiography, hemodynamic, morphometric, and histological data, which showed a significant decrease in PAH in this group, as compared to the control group (AMBsolution). LNCamb showed the benefit of reversing systolic dysfunction and preventing vascular remodeling with greater efficacy than that observed in the control group. The originality and contribution of our work reveal the promising value of this nanoformulation as a novel therapeutic strategy for PAH treatment.
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Affiliation(s)
- Lali Ronsoni Zancan
- Programa de Pós-Graduação em Nanotecnologia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil
| | - Franciele Aline Bruinsmann
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil
| | - Karine Paese
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil
| | - Patrick Türck
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Alan Bahr
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Alexsandra Zimmer
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Cristina Campos Carraro
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Paulo Cavalheiro Schenkel
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Adriane Belló-Klein
- Laboratório de Fisiologia Cardiovascular e Espécies Ativas de Oxigênio, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500, Porto Alegre 90050-170, RS, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre 91540-000, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre 91540-000, RS, Brazil
| | - Adriana Raffin Pohlmann
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil
| | - Sílvia Stanisçuaski Guterres
- Programa de Pós-Graduação em Nanotecnologia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Porto Alegre 90610-000, RS, Brazil.
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Bertolini M, Schwertz CI, Vielmo A, Piva MM, Bilhalva LC, Pavarini SP, Driemeier D, Sonne L. Pathological and Microbiological Findings in Fatal Cases of Salmonellosis in Captive Bothrops Snakes in Southern Brazil. J Comp Pathol 2021; 186:7-12. [PMID: 34340807 DOI: 10.1016/j.jcpa.2021.04.011] [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: 10/16/2020] [Revised: 01/27/2021] [Accepted: 04/26/2021] [Indexed: 10/21/2022]
Abstract
Salmonella spp. are gram-negative commensal bacteria of vertebrates, including reptiles. Infected snakes may be asymptomatic or manifest clinical disease and death, especially after stressful events. Salmonellosis was diagnosed in 10 captive snakes from the Bothrops genus. The most frequent changes were emaciation (8/10), fibrinonecrotic or granulomatous hepatitis (8/9), fibrinonecrotic or granulomatous enterocolitis (8/9), necrotic and heterophilic myocarditis (2/10), fibrinonecrotic or granulomatous pancreatitis (2/5), fibrinoheterophilic osteomyelitis (1/10), fibrinous and pyogranulomatous pericarditis (1/10) and granulomatous splenitis (1/6). Salmonella enterica was isolated from six cases. The subspecies identified were arizonae (3/6), diarizonae (1/6) and houtenae (1/6), in addition to the serotype Typhimurium (1/6). In cases without isolation, there was immunolabelling of Salmonella spp. in intestinal (3/4), hepatic (1/4) and cardiac (1/4) lesions.
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Affiliation(s)
- Marianna Bertolini
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Andréia Vielmo
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Manoela M Piva
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Lina C Bilhalva
- Laboratório de Análises Clínicas Veterinárias, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luciana Sonne
- Setor de Patologia Veterinária, , Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
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Santos IR, Henker LC, Bandinelli MB, Bianchi MV, Vielmo A, Taunde PA, Schwertz CI, Konradt G, Vargas TP, Driemeier D, Pavarini SP. Pathology of Gastrointestinal Tuberculosis in Cattle. J Comp Pathol 2021; 184:7-11. [PMID: 33894881 DOI: 10.1016/j.jcpa.2021.01.008] [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: 10/08/2020] [Revised: 11/30/2020] [Accepted: 01/22/2021] [Indexed: 11/25/2022]
Abstract
We describe the pathology of gastrointestinal tuberculosis in three cows. Gross lesions were found in the jejunum and ileum in all cases, and were characterized by button-shaped ulcers in the mucosa overlying Peyer's patches and adjacent mucosa. One case had similar changes in the pyloric region of the abomasum. In the affected intestinal segments, marked granulomatous inflammation effaced the lymphoid follicles of Peyer's patches and often extended transmurally. Transmural granulomatous inflammation was also found in the abomasum of one cow. Acid-fast bacilli were identified by the Ziehl-Neelsen method and the lesions were immunolabelled by an anti-Mycobacterium tuberculosis complex antibody. M. tuberculosis var. bovis was isolated in one case. Disseminated tuberculosis and marked lung lesions in all cows suggested that the gastrointestinal lesions were most likely secondary to pulmonary infection.
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Affiliation(s)
- Igor R Santos
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
| | - Luan C Henker
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Marcele B Bandinelli
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Matheus V Bianchi
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Andréia Vielmo
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Paula A Taunde
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Guilherme Konradt
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Thainã P Vargas
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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11
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Rosa RB, Echenique JVZ, de Souza FAB, Schwertz CI, Demeulemeester SC, Bandinelli MB, Sonne L. What is your diagnosis? Ventral abdominal mammary mass in a bitch. Vet Clin Pathol 2020; 49:672-674. [PMID: 33078854 DOI: 10.1111/vcp.12904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/30/2020] [Accepted: 03/03/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Rafael B Rosa
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Joanna V Z Echenique
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Felipe A B de Souza
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Stéphanie C Demeulemeester
- Hospital de Clínicas Veterinárias, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Marcele B Bandinelli
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Luciana Sonne
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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12
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Piva MM, Schwertz CI, Bianchi RM, Kemper RT, Henker LC, Nagae RY, Cê TRM, Barcellos DES, Driemeier D, Pavarini SP. Causes of death in growing-finishing pigs in two technified farms in southern Brazil. Pesq Vet Bras 2020. [DOI: 10.1590/1678-5150-pvb-6708] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT: The aim of this study was to investigate the main causes of death in growing-finishing pigs in southern Brazil. During a one-year period (from 2018 to 2019), two industrial pig herds (18 and 20 thousand pigs each farm) in southern Brazil were monitored along the four seasons of the year (12 days per season on each farm), in order to perform necropsies of all pigs that died in that period. The two farms had an average monthly mortality rate ranging from 0.94 to 3.93% in the evaluated months. At necropsy, tissues were collected, fixed in 10% formalin solution and processed routinely for histopathological examination. When necessary, samples were sent for bacterial culture and PCR to identify etiologic agents. A total of 601 necropsies were performed, with 94.9% of conclusive diagnoses. Infectious diseases corresponded to 64.4% of conclusive diagnosis and non-infectious diseases to 35.6%. The most prevalent causes of death were: pneumonia (33%), gastric ulcers (15.4%), circovirosis (9.9%), systemic bacterial embolism (5.4%), polyserositis (4.4%), dilated cardiomyopathy and torsion of abdominal organs (4.3% each), and bacterial pericarditis (3.4%). Regarding pneumonias (199/601), the main agents identified in these cases were Pasteurella multocida, Influenza A virus and Mycoplasma hyopneumoniae, mainly in associations.
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Affiliation(s)
| | | | | | | | | | - Ricardo Y. Nagae
- Empresa Seara Alimentos, Brazil; Universidade Federal do Rio Grande do Sul, Brazil
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13
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Reis MO, Cruz RAS, Oliveira LGS, Bassuino DM, Schwertz CI, Bianchi MV, Sonne L, Pavarini SP, Driemeier D. Hydrallantois in cows naturally poisoned by Sida carpinifolia in Brazil. J Vet Diagn Invest 2019; 31:581-584. [PMID: 31122163 DOI: 10.1177/1040638719850610] [Citation(s) in RCA: 5] [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] [Indexed: 11/17/2022] Open
Abstract
Sida carpinifolia is a small subshrub that is distributed throughout Brazil and is responsible for lysosomal storage disease and occasional reproductive problems in cattle, goats, equids, sheep, and deer. We describe herein the clinical, epidemiologic, and pathologic features of hydrallantois in 3 cows naturally poisoned by S. carpinifolia in Rio Grande do Sul State, Brazil. Clinically, all cows had marked abdominal distension and mild ataxia. After natural death or euthanasia, autopsies revealed that the abdominal distension in all 3 cases was caused by severe enlargement of the uterus, which contained 100-120 L of translucent fluid within the allantois, in addition to adventitial placentation. Microscopic evaluation of the placenta revealed marked diffuse edema, sometimes with a myxomatous appearance. Neurons in the cerebellum and obex were swollen, with mild-to-moderate cytoplasmic granular vacuolation. Histochemical examination with lectins ConA, WGA, and sWGA revealed mild-to-marked staining in the cytoplasm of neurons of the cerebellum and medulla at the level of the obex, indicating the occurrence of α-mannosidosis.
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Affiliation(s)
- Matheus O Reis
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Raquel A S Cruz
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luiz G S Oliveira
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Daniele M Bassuino
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Claiton I Schwertz
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Matheus V Bianchi
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luciana Sonne
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Saulo P Pavarini
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - David Driemeier
- Department of Veterinary Pathology, School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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14
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Borin DB, Mezzomo NJ, Vaucher RA, Carmo GDO, Rodrigues Junior LC, Sulczewski FB, Schwertz CI, Mendes RE, Damiani AP, Andrade VMDE, Rech VC, Boeck CR. Production, characterization and toxicology assay of creatine pegylated nanoliposome with polysorbate 80 for brain delivery. AN ACAD BRAS CIENC 2018; 90:2317-2329. [PMID: 29694498 DOI: 10.1590/0001-3765201820170553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 07/26/2017] [Indexed: 12/24/2022] Open
Abstract
Creatine acts intracellularly as energy buffer and storage, demonstrating protective effects in animal models of neurodegenerative diseases. However, its permeability throught blood-brain barrier (BBB) is reduced. The aim of the present study was developing a carrier to facilitate the delivery of creatine to the central nervous system. Creatine nanoliposomes were produced, characterized and assayed in models of toxicity in vitro and in vivo. Particles showed negative zeta potential (-12,5 mV), polydispersity index 0.237 and medium-size of 105 nm, which was confirmed by transmission electron microscopy (TEM) images. Toxicity assay in vitro was evaluated with blank liposomes (no drug) or creatine nanoliposomes at concentrations of 0.02 and 0.2 mg/mL, that did not influence the viability of Vero cells. The result. of the comet assay that the nanoliposomes are not genotoxic, togeher with cell viability demonstrated that the nanoliposomes are not toxic. Besides, in vivo assays not demonstrate toxicity in hematological and biochemical markers of young rats. Nevertheless, increase content of creatine in the cerebral cortex tissue after subchronic treatment was observed. Altogether, results indicate increase permeability of creatine to the BBB that could be used as assay for in vivo studies to confirm improved effect than free creatine.
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Affiliation(s)
- Diego B Borin
- Centro Universitário Franciscano, Rua dos Andradas, 1614, Centro, 97010-032 Santa Maria, RS, Brazil
| | - Nathana J Mezzomo
- Universidade Federal de Santa Maria, Av. Roraima, 1000, Camobi, 97105-900 Santa Maria, RS, Brazil
| | - Rodrigo A Vaucher
- Universidade Federal de Pelotas, Rua Gomes Carneiro, 1, Centro, 96010-610 Pelotas, RS, Brazil
| | - Guilherme DO Carmo
- Universidade Federal de Santa Maria, Av. Roraima, 1000, Camobi, 97105-900 Santa Maria, RS, Brazil
| | - Luiz C Rodrigues Junior
- Universidade Federal de Ciências da Saúde de Porto Alegre, Rua Sarmento Leite, 245, Centro Histórico, 90050-170 Porto Alegre, RS, Brazil
| | - Fernando B Sulczewski
- Centro Universitário Franciscano, Rua dos Andradas, 1614, Centro, 97010-032 Santa Maria, RS, Brazil
| | - Claiton I Schwertz
- Instituto Federal Catarinense, Rodovia SC 283, s/n, Vila Fragosos, 89700-000 Concórdia, SC, Brazil
| | - Ricardo E Mendes
- Instituto Federal Catarinense, Rodovia SC 283, s/n, Vila Fragosos, 89700-000 Concórdia, SC, Brazil
| | - Adriani P Damiani
- Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Universitário, 88806-000 Criciúma, SC, Brazil
| | - Vanessa M DE Andrade
- Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Universitário, 88806-000 Criciúma, SC, Brazil
| | - Virgínia C Rech
- Centro Universitário Franciscano, Rua dos Andradas, 1614, Centro, 97010-032 Santa Maria, RS, Brazil
| | - Carina R Boeck
- Centro Universitário Franciscano, Rua dos Andradas, 1614, Centro, 97010-032 Santa Maria, RS, Brazil
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da Silva AS, Baldissera MD, Bottari NB, Doleski PH, Carmo GM, Schwertz CI, Lucca NJ, Henker LC, Piva MM, Giacomin P, Stefani LM, Leal DB, Machado G, Mendes RE. Ectonucleotidase and adenosine deaminase as inflammatory marker in dairy cows naturally infected by Dictyocaulus viviparus. Comp Immunol Microbiol Infect Dis 2017; 51:9-13. [DOI: 10.1016/j.cimid.2017.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Revised: 12/25/2016] [Accepted: 01/03/2017] [Indexed: 12/20/2022]
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16
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Henker LC, Schwertz CI, Lucca NJ, Piva MM, Giacomin P, Gris A, Rhoden LA, Norbury LJ, da Silva AS, da Rosa RA, Mendes RE. Dictyocaulosis in dairy cows in Brazil: an epidemiological, clinical-pathological and therapeutic approach. Acta Parasitol 2017; 62:129-132. [PMID: 28030345 DOI: 10.1515/ap-2017-0015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 10/12/2016] [Indexed: 11/15/2022]
Abstract
An outbreak of severe parasitic pneumonia caused by Dictyocaulus viviparus was diagnosed in adult dairy cows in the municipality of Arabutã, Southern Brazil. The total morbidity in the herd was 71.9%, and the morbidity amongst adult lactating cattle was 100%. The main clinical signs observed were dyspnea, tachypnea, nasal discharge, decreased milk production, and cough. A necropsy was conducted on one animal in order to establish the diagnosis. The herd had been treated previously with levamisole; however, clinical signs persisted and became worse. After treatment with eprinomectin the severity of clinical signs decreased, and the respiratory condition subsequently disappeared. It is believed that the high morbidity presented in this outbreak is related to epidemiological factors, such as increased rainfall in 2014 and 2015, associated with low immunity of the herd. This is the first report of dictyocaulosis in adult dairy cattle in Brazil. Furthermore, it describes an outbreak presenting very high morbidity.
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Schwertz CI, Henker LC, Mendes RE. Comments on eurytrematosis in Brazil and the possibility of human infection. World J Exp Med 2017; 7:40-41. [PMID: 28261554 PMCID: PMC5316903 DOI: 10.5493/wjem.v7.i1.40] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/16/2016] [Accepted: 11/17/2016] [Indexed: 02/06/2023] Open
Abstract
The manuscript “Eurytrematosis: An emerging and neglected disease in South Brazil” discusses some aspects of Eurytrema sp. fluke as an animal pathogen and based in some aspects of the parasitism in cattle and the life cycle of Eurytrema sp. Authors suggest the possibility of human infection, once there is no research on this subject in Brazil. In human cases reported, the mechanism of infection was not disclosed, so it keeps the discussion opened. Although we focused on animal eurytrematosis, we speculated the possibility of human infection by Eurytrema sp. in Brazil, but after all, the only way to determine it, would be a study searching for people infected through coprological or serological tests.
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Grosskopf HM, Schwertz CI, Machado G, Bottari NB, da Silva ES, Gabriel ME, Lucca NJ, Alves MS, Schetinger MRC, Morsch VM, Mendes RE, da Silva AS. Cattle naturally infected by Eurytrema coelomaticum: Relation between adenosine deaminase activity and zinc levels. Res Vet Sci 2016; 110:79-84. [PMID: 28159241 DOI: 10.1016/j.rvsc.2016.10.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [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: 05/21/2016] [Revised: 10/13/2016] [Accepted: 10/28/2016] [Indexed: 12/20/2022]
Abstract
The enzyme adenosine deaminase (ADA) is critical for modulating the immune system, and in the presence of zinc, its activity is catalyzed. The aim of this study was to evaluate the ADA activity in pancreas of cattle naturally infected by Eurytrema coelomaticum in relation to the results of zinc levels, pathological findings and parasite load. For this study 51 slaughtered cattle were used. The animals were divided into two groups: Group A consisting of animals naturally infected by E. coelomaticum (n=33) and Group B of uninfected animals (n=18). Blood and pancreas were collected of each animal for analysis of zinc and ADA, respectively. Infected cattle showed a reduction on seric levels of zinc, and decreased ADA activity in the pancreas (P>0.05). A positive correlation between zinc levels and ADA activity was observed. Thus, high parasite load and severity of histopathologic lesions affect the ADA activity in pancreas, as well as the zinc levels in serum of infected animals (negative correlation between these variables). Therefore, we can conclude that cattle infected by E. coelomaticum have low ADA activity in pancreas, which can be directly related to zinc reduction, responsible for ADA activation and catalyzes.
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Affiliation(s)
- Hyolanda M Grosskopf
- Departamento of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil
| | - Claiton I Schwertz
- Veterinary School, Instituto Federal Catarinense (IFC), Concórdia, SC, Brazil
| | | | - Nathieli B Bottari
- Department of Biochemistry and Molecular Biology, UFSM, Santa Maria, RS, Brazil
| | - Ester S da Silva
- Veterinary School, Instituto Federal Catarinense (IFC), Concórdia, SC, Brazil
| | - Mateus E Gabriel
- Veterinary School, Instituto Federal Catarinense (IFC), Concórdia, SC, Brazil
| | - Neuber J Lucca
- Veterinary School, Instituto Federal Catarinense (IFC), Concórdia, SC, Brazil
| | - Mariana S Alves
- Department of Biochemistry and Molecular Biology, UFSM, Santa Maria, RS, Brazil
| | | | - Vera M Morsch
- Department of Biochemistry and Molecular Biology, UFSM, Santa Maria, RS, Brazil
| | - Ricardo E Mendes
- Veterinary School, Instituto Federal Catarinense (IFC), Concórdia, SC, Brazil.
| | - Aleksandro S da Silva
- Departamento of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil; Department of Biochemistry and Molecular Biology, UFSM, Santa Maria, RS, Brazil.
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Fávero JF, Schwertz CI, Doleski PH, Leal DB, Machado G, Manzoni AG, da Silva ES, Gabriel ME, Stedille FA, Christ R, Stefani LM, Mendes RE, da Silva AS. NTPDase and 5′-nucleotidase as inflammatory markers in cattle naturally infected by Eurytrema coelomaticum. Comp Immunol Microbiol Infect Dis 2016; 48:48-53. [DOI: 10.1016/j.cimid.2016.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 07/17/2016] [Accepted: 07/21/2016] [Indexed: 12/20/2022]
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20
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Schwertz CI, Gabriel ME, Henker LC, Bottari NB, Carmo GD, Guarda NDS, Moresco RN, Machado G, Morsch VM, Schetinger MRC, Stedille FA, Baska P, Mattei V, da Silva AS, Mendes RE. Oxidative stress associated with pathological changes in the pancreas of cattle naturally infected by Eurytrema coelomaticum. Vet Parasitol 2016; 223:102-10. [PMID: 27198785 DOI: 10.1016/j.vetpar.2016.04.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [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: 01/22/2016] [Revised: 04/20/2016] [Accepted: 04/21/2016] [Indexed: 12/27/2022]
Abstract
Although Eurytrema coelomaticum is considered a parasite with low pathogenicity, it may be associated with mortality and loss of productive performance in animals due to chronic pancreatitis. The aim of this study was to evaluate the occurrence of oxidative stress caused by E. coelomaticum in naturally infected cattle, correlating the biochemical findings with the parasite load and histopathological changes. For this study, blood and pancreas samples from 51 cattle were collected, and levels of the thiobarbituric acid reactive substances (TBARS), advanced oxidation protein products (AOPP) and ferric reducing ability of plasma (FRAP) were measured in the serum and pancreas, and superoxide dismutase (SOD) activity was measured in total blood. Parasite burden was determined opening the pancreatic ducts, and then fragments of pancreas were collected and fixed in 10% buffered formalin and routinely processed for histopathology. From the 51 collected pancreas, 33 (63.5%) were parasitized. The average parasite burden per pancreas was 532 (12-2,578). TBARS and FRAP showed higher levels in serum and pancreas of infected animals (p<0.05), with a positive correlation between the histopathological changes and the number of parasites. SOD level in blood was 42% higher in parasitized group compared with control group (p<0.05), as well as AOPP in serum. Based on these results, we concluded that in natural infection by E. coelomaticum in cattle, oxidative stress occurs, characterized by the occurrence of protein oxidation, lipid peroxidation and activation of antioxidant system.
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Affiliation(s)
- Claiton I Schwertz
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense (IFC), Rod. SC 283, km 08, CP 58, Concórdia, SC 89703-720, Brazil
| | - Mateus E Gabriel
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense (IFC), Rod. SC 283, km 08, CP 58, Concórdia, SC 89703-720, Brazil
| | - Luan C Henker
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense (IFC), Rod. SC 283, km 08, CP 58, Concórdia, SC 89703-720, Brazil
| | - Nathieli B Bottari
- Biochemistry and Molecular Biology Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Guilherme do Carmo
- Biochemistry and Molecular Biology Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Naiara Dos S Guarda
- Clinical and Toxicological Analysis Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Rafael N Moresco
- Clinical and Toxicological Analysis Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Gustavo Machado
- College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul (UFGRS), Av. Bento Gonçalves 9090, Porto Alegre, RS 91540-000, Brazil
| | - Vera M Morsch
- Biochemistry and Molecular Biology Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Maria Rosa C Schetinger
- Biochemistry and Molecular Biology Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil
| | - Fernanda A Stedille
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense (IFC), Rod. SC 283, km 08, CP 58, Concórdia, SC 89703-720, Brazil
| | - Piotr Baska
- Department of Preclinical Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), 8 Ciszewkiego, 02-786 Warsaw, Poland
| | - Vanessa Mattei
- College of Veterinary Medicine, Universidade do Estado de Santa Catarina (UDESC), Av. Luís de Camões 2090, Lages, SC 88520-000, Brazil
| | - Aleksandro S da Silva
- Biochemistry and Molecular Biology Department, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, Santa Maria, RS 97105-900, Brazil; Department of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Sete de Setembro 77D, Chapecó, SC 89806-152, Brazil
| | - Ricardo E Mendes
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense (IFC), Rod. SC 283, km 08, CP 58, Concórdia, SC 89703-720, Brazil.
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Schwertz CI, do Carmo GM, Bottari NB, da Silva ES, Gabriel ME, Lucca NJ, Guarda NDS, Moresco RN, Machado G, Morsch VM, Schetinger MRC, Stefani LM, Mendes RE, Da Silva AS. Relationship Between Pathological Findings and Cholinesterase Activity and Nitric Oxide Levels in Cattle Infected Naturally by Eurytrema coelomaticum. J Comp Pathol 2016; 154:150-6. [PMID: 26929158 DOI: 10.1016/j.jcpa.2016.01.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [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: 11/02/2015] [Revised: 01/23/2016] [Accepted: 01/27/2016] [Indexed: 01/17/2023]
Abstract
The aim of this study was to evaluate the role of butyrylcholinesterase (BChE) (in the serum and pancreas), acetylcholinesterase (AChE) (in the whole blood and pancreas) and nitric oxide (NO) (in the serum and pancreas) in cattle infected naturally by Eurytrema coelomaticum. Fifty-one cattle were studied, including 33 infected by E. coelomaticum and 18 uninfected animals. Significantly greater AChE activity was found in the pancreas of infected animals (P <0.01); however, these cattle had lower AChE activity in whole blood. BChE activity was greater in the sera of infected animals (P = 0.05), but was less in pancreatic samples. NO levels were significantly higher in the sera (P <0.05) and pancreas (P <0.001) of infected cattle compared with uninfected animals. A positive correlation was found between AChE activity in the pancreas and parasite load, but there was negative correlation between pancreatic BChE activity and parasitic load. Expression of AChE, BChE and NO is therefore linked to the inflammation caused by E. coelomaticum in cattle.
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Affiliation(s)
- C I Schwertz
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Santa Catarina, Brazil
| | - G M do Carmo
- Department of Biochemistry and Molecular Biology, Brazil
| | - N B Bottari
- Department of Biochemistry and Molecular Biology, Brazil
| | - E S da Silva
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Santa Catarina, Brazil
| | - M E Gabriel
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Santa Catarina, Brazil
| | - N J Lucca
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Santa Catarina, Brazil
| | - N dos S Guarda
- Department of Clinical and Toxicological Analyses, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - R N Moresco
- Department of Clinical and Toxicological Analyses, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - G Machado
- College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - V M Morsch
- Department of Biochemistry and Molecular Biology, Brazil
| | | | - L M Stefani
- Department of Animal Science, Universidade do Estado de Santa Catarina, Chapecó, Brazil
| | - R E Mendes
- Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Santa Catarina, Brazil.
| | - A S Da Silva
- Department of Animal Science, Universidade do Estado de Santa Catarina, Chapecó, Brazil.
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Baldissera MD, Rech VC, Da Silva AS, Nishihira VS, Ianiski FR, Gressler LT, Grando TH, Vaucher RA, Schwertz CI, Mendes RE, Monteiro SG. Relationship between behavioral alterations and activities of adenylate kinase and creatine kinase in brain of rats infected by Trypanosoma evansi. Exp Parasitol 2015; 151-152:96-102. [DOI: 10.1016/j.exppara.2015.01.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 01/23/2015] [Accepted: 01/27/2015] [Indexed: 12/22/2022]
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Do Carmo GM, Baldissera MD, Vaucher RA, Rech VC, Oliveira CB, Sagrillo MR, Boligon AA, Athayde ML, Alves MP, França RT, Lopes STA, Schwertz CI, Mendes RE, Monteiro SG, Da Silva AS. Effect of the treatment with Achyrocline satureioides (free and nanocapsules essential oil) and diminazene aceturate on hematological and biochemical parameters in rats infected by Trypanosoma evansi. Exp Parasitol 2014; 149:39-46. [PMID: 25499512 DOI: 10.1016/j.exppara.2014.12.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [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: 07/18/2014] [Revised: 12/02/2014] [Accepted: 12/04/2014] [Indexed: 11/17/2022]
Abstract
This study aimed to verify the effect of the treatment with A. satureioides essential oil (free and nanoencapsulated forms) and diminazene aceturate on hematological and biochemical variables in rats infected by Trypanosoma evansi. The 56 rats were divided into seven groups with eight rats each. Groups A, C and D were composed by uninfected animals, and groups B, E, F and G were formed by infected rats with T. evansi. Rats from groups A and B were used as negative and positive control, respectively. Rats from the groups C and E were treated with A. satureioides essential oil, and groups D and F were treated with A. satureioides nanoencapsulated essential oil. Groups C, D, E and F received one dose of oil (1.5 mL kg(-1)) during five consecutive days orally. Group G was treated with diminazene aceturate (D.A.) in therapeutic dose (3.5 mg kg(-1)) in an only dose. The blood samples were collected on day 5 PI for analyses of hematological (erythrocytes and leukocytes count, hemoglobin concentration, hematocrit, mean corpuscular and mean corpuscular hemoglobin concentration) and biochemical (glucose, triglycerides, cholesterol, alanine aminotransferase (ALT), aspartate aminotransferase (AST), albumin, urea and creatinine) variables. A. satureioides administered was able to maintain low parasitemia, mainly the nanoencapsulated form, on 5 days post infection. On the infected animals with T. evansi treated with A. satureioides essential oil (free and nanocapsules) the number of total leucocytes, lymphocytes and monocytes present was similar to uninfected rats, and different from infected and not-treated animals (leukocytosis). Treatment with A. satureioides in free form elevated levels of ALT and AST, demonstrating liver damage; however, treatment with nanoencapsulated form did not cause elevation of these enzymes. Finally, treatments inhibited the increase in creatinine levels caused by infection for T. evansi. In summary, the nanoencapsulated form showed better activity on the trypanosome; it did not cause liver toxicity and prevented renal damage.
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Affiliation(s)
- Guilherme M Do Carmo
- Laboratory of Nanotechnology, Centro Universitário Franciscano, Santa Maria, RS, Brazil
| | - Matheus D Baldissera
- Department of Microbiology and Parasitology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil; Laboratory of Cell Culture, Centro Universitário Franciscano, Santa Maria, RS, Brazil.
| | - Rodrigo A Vaucher
- Laboratory of Cell Culture, Centro Universitário Franciscano, Santa Maria, RS, Brazil
| | - Virginia Cielo Rech
- Laboratory of Nanotechnology, Centro Universitário Franciscano, Santa Maria, RS, Brazil
| | - Camila B Oliveira
- Department of Microbiology and Parasitology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | | | - Aline A Boligon
- Laboratory of Phytochemistry, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Margareth L Athayde
- Laboratory of Phytochemistry, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Marta P Alves
- Laboratory of Nanotechnology, Centro Universitário Franciscano, Santa Maria, RS, Brazil
| | | | | | - Claiton I Schwertz
- Section of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, SC, Brazil
| | - Ricardo E Mendes
- Section of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, SC, Brazil
| | - Silvia G Monteiro
- Department of Microbiology and Parasitology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Aleksandro S Da Silva
- Department of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil.
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Machado V, Da Silva AS, Schafer AS, Aires AR, Tonin AA, Oliveira CB, Hermes CL, Almeida TC, Moresco RN, Stefani LM, Lopes ST, Mendes RE, Schwertz CI, Leal ML. Relationship between oxidative stress and pathological findings in abomasum of infected lambs by Haemonchus contortus. Pathol Res Pract 2014; 210:812-7. [DOI: 10.1016/j.prp.2014.09.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 08/17/2014] [Accepted: 09/16/2014] [Indexed: 10/24/2022]
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