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Small intestinal epiploic foramen entrapment in a seven-month pregnant Thoroughbred mare: a case report 全文
2023
Hwang, H.B. | Lee, S.Y. | Park, K.W. | Lee, E.B. | Kang, T.Y. | Seo, J.P. | Jeong, H.H.
A seven-month pregnant four-year-old Thoroughbred mare with colic weighing 600 kg was referred to the Jeju National University Equine Hospital. A physical examination and ultrasound suggested epiploic foramen entrapment. The patient underwent ileum resection and end-to-side jejunocecostomy. After surgery, the horse showed a consistent pain when introduced to feeding. A repeat laparotomy was performed to enlarge the stoma size with side-to-side jejunocecostomy. The repeat laparotomy was successful, and the mare gave birth uneventfully. This report describes a case of small intestinal epiploic foramen entrapment and the clinical outcomes of the 2 consecutive laparotomies a Thoroughbred mare in late gestation.
显示更多 [+] 显示较少 [-]Anti-lice activity of Citrullus colocynthis fruits against Pediculus humanus capitis in vitro 全文
2023
Anah, S.A.
The increasing resistance of head lice Pediculus humanus capitis to many drugs has highlighted the need for new alternatives to control head lice in adults. The effect of two types of extracts (aqueous and alcoholic) of Citrullus colocynthis fruit on adult lice was tested in vitro. The results showed that the alcoholic extract with a concentration of 20% showed similar efficacy in killing adult lice to that of Natroba 9% w/ w, with values ranging between 87% to 98% within 18 minutes, followed by a 20% aqueous extract with a 44% to 79% death rate. A 10% concentration of both types of extracts had moderate lethality for lice, while a 5% concentration did not show strong lethality for adult lice. These results revealed significant differences between the control group and those treated with alcoholic and aqueous extract concentrations of C. colocynthis fruits at the probability level p ≤ 0.05.
显示更多 [+] 显示较少 [-]Antioxidant and anti-inflammatory activities of Lespedeza cuneata in Coal fly ash-induced murine alveolar macrophage cells 全文
2023
Wahab, A. | Sim, H.Y. | Choi, K.B. | Kim, Y.J. | Lee, Y.K. | Kang, B.W. | No, Y.S. | Lee, D.Y. | Lee, I.S. | Lee, J.H. | Cha, H.J. | Kim, S.D. | Saba, E. | Rhee, M.H.
Lespedeza cuneata (LC) is a perennial plant used in herbal medicine to treat numerous diseases, including prostatic hyperplasia, diabetes, early atherosclerosis, and hematuria. Reference collections of bioactive compounds of LC are crucial for the determination of their pharmacological properties. However, little is known regarding its anti-oxidative and anti-inflammatory effects in alveolar macrophage (MH-S) cells. This study examined whether LC can inhibit reactive oxygen species and Coal fly ash (CFA) induced inflammation in MH-S cells. The anti-oxidative effects of LC were evaluated using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays, anti-inflammatory effects were examined using nitric oxide (NO) assay, and cytotoxicity was analyzed using methyl thiazolyl tetrazolium assay. The expression of inflammatory cytokine genes was assessed through a reverse-transcription polymerase chain reaction. Our results revealed that LC exhibited high radical scavenging activity and a dose-dependent (7.8–1,000 μg/mL) inhibition of oxidation as compared to ascorbic acid and Trolox. It also inhibited CFA-induced NO production in MH-S cells. Moreover, it suppressed the CFA exposure-mediated expression of pro-inflammatory mediators and cytokines, including inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), interleukin (IL)-1β, IL-6, and tumor necrosis factor-α. These results suggest that LC is a potent antioxidant and anti-inflammatory agent that can be useful as a nutraceutical product.
显示更多 [+] 显示较少 [-]Immune-mediated hemolysis after administration of human intravenous immunoglobulin in a dog: a case report 全文
2023
Kim, M.J. | Kim, Y.J. | Bae, H.A. | Jung, R.K. | Kang, M.J. | Cha, S.M. | Cho, K.W. | Jung, D.I. | Yu, D.H.
A 10-year-old spayed female Maltese presented with purpura and hematemesis. Initial laboratory evaluation revealed immune-mediated thrombocytopenia, but evidence of hemolytic anemia was not identified. Three milligrams of human intravenous immunoglobulin (hIVIG) was administered for 3 hours following prednisolone and mycophenolate mofetil. A pale mucous membrane was identified, and the packed cell volume decreased by 3%. Blood film examination revealed significant spherocytosis with auto-agglutination. Blood transfusions and immunosuppression were continued for 4 days, and hIVIG was discontinued. This report describes a case of increased immune-mediated hemolysis after hIVIG administration, possibly due to new-onset immune-mediated hemolytic anemia or enhanced immunogenicity.
显示更多 [+] 显示较少 [-]Evaluation of hemagglutination inhibition test for canine respiratory coronavirus antibodies and seroprevalence in Korean dogs 全文
2023
Hyeon, L.S. | Yang, D.K. | Park, Y.R. | Lee, H.J. | Kim, H.H. | Hyun, B.H.
Canine respiratory coronavirus (CRCoV) is a significant pathogen that causes respiratory diseases in dogs, collectively known as a canine infectious respiratory disease. The virus is highly contagious and exhibits high seroprevalence worldwide. Currently, bovine coronavirus (BCoV) enzyme-linked immunosorbent assay (ELISA) kits are used to detect CRCoV antibodies. However, BCoV-ELISA kits cannot differentiate between infections caused by BCoV and those caused by CRCoV. In this study, we evaluated the hemagglutination inhibition (HI) test for CRCoV by comparing it with the virus neutralization (VN) test. Subsequently, we evaluated the seroprevalence of CRCoV in 383 dog serum samples collected from South Korea utilizing the HI test. The HI test for CRCoV showed a strong correlation with the VN test (R = 0.83, p < 0.001). The analysis of seroprevalence revealed that 52.2% (95% confidence interval [CI], 47.2%–57.1%) of the Korean dog serum samples were positive. The seroprevalence exhibited varied with age, with a positivity rate of 43.9% in dogs under 1 year of age and 66.7% in dogs aged 3 to 5 years (odds ratio, 2.54; 95% CI, 1.43–4.59). In conclusion, the HI test to monitor CRCoV antibody proved to be closely related to the VN test. Furthermore, over half of the dogs in Korea tested positive for CRCoV antibodies. These findings contribute to a better understanding of the sero-epidemiology of CRCoV.
显示更多 [+] 显示较少 [-]Follicular fluid-derived extracellular vesicles improve in vitro maturation and embryonic development of porcine oocytes 全文
2023
Kang, H.J. | Bang, S.G. | Kim, H.Y. | Han, A.Y. | Miura, S. | Park, H.S. | Saadeldin, I.M. | Lee, S.H. | Cho, J.K.
To optimize the most efficient method for porcine in vitro maturation (IVM), we compared the effects of supplementing extracellular vesicles (EVs) derived from porcine follicular fluid (pFF). The cumulus oocyte complexes were grouped into 4 groups with different supplementations as following: pFF (G1), pFF-depleted EVs (G2), EVs (G3) and control (G4) groups. After IVM with different supplementations, maturation rates and the developmental competences of porcine oocytes and blastocyst development were investigated. Additionally, glutathione (GSH) and reactive oxygen species (ROS) levels were measured in mature oocytes. The EVs were isolated and characterized with cryo-TEM and nanoparticle tracking analysis. The pFF significantly affected the maturation rate, whereas the presence of EVs did not show notable difference in the maturation rates. Although there were numerical increases in the measured parameters in EV and pFF-depleted EVs groups, no significant differences were observed between them. The EV group showed similar oocyte maturation rate for both positive and negative control groups. The GSH was not different among the groups, but ROS levels were significantly lower in pFF-supplemented group when compared with other groups with the highest level in the control group. G2 group wasn’t significantly different G1 and G3 group. G3 group wasn’t significantly different from G2 and G4 group. This suggests that EVs in IVM medium which probably effected partially to protect against oxidative stress and potentially enhance the quality of oocytes. This study indicates that the EVs in pFF play a significant role in improving the efficiency of oocyte maturation in porcine.
显示更多 [+] 显示较少 [-]Spontaneous closure of perimembranous ventricular septal defect in a cat 全文
2023
Park, S.Y. | Jeong, H.S. | Lee, S.G.
We discuss the case of a 5-month-old male British Shorthair cat referred to our hospital following the detection of a heart murmur during a routine vaccination appointment. Two-dimensional echocardiography revealed a 1.18 mm ventricular septal defect (VSD) located immediately below the aortic valve, without signs of secondary cardiac remodeling. Given the absence of cardiac dysfunction, no treatment was administered, and the cat was periodically monitored over the next 2 years. Echocardiography at 29 months of age revealed no signs of the VSD. Future studies are needed to increase the evidence base for spontaneous VSD closure in small animals.
显示更多 [+] 显示较少 [-]Testicular granular cell tumor of two rabbits: case reports 全文
2023
Lee, N.Y. | Lee, J.S. | Yu, B.H. | Kim, J.H. | Kim, D.Y. | Woo, G.H.
Granular cell tumor was described in the testis of two rabbits. Testis from each rabbit was surgically removed and submitted for histopathological diagnosis. Both testes were about 2.0 cm in diameter, firm, and tan. Microscopically, testicular mass consisted of compact sheets of round to polygonal and occasional spindle-shaped cells. The neoplastic cells contain a large amount of eosinophilic granular material in the cytoplasm. The cytoplasmic eosinophilic granules were positive for periodic acid Schiff stain. Immunohistochemically, the neoplastic cells were immunoreactive to Melan-A and vimentin. Based on these results, the testicular mass was diagnosed as a granular cell tumor.
显示更多 [+] 显示较少 [-]Prevalence of peste des petits ruminants virus antibodies in sheep and goats sera from Central-Western Sudan 全文
2023
Ali, Safa E.M.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology,Global Veterinary Services and Agriculture Equine-Specialty Center) | Ahmed, Yassin A.M.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology,Nokhbat Alnawadir Veterinary Pharmacy) | Osman, Alwia A.(Ministry of Animal Resources General Directorate of Animal Health & Epizootics Diseases Control) | Eldin, Omiema A. Gamal(Ministry of Animal Resources General Directorate of Animal Health & Epizootics Diseases Control) | Osman, Nussieba A.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology)
Prevalence of peste des petits ruminants virus antibodies in sheep and goats sera from Central-Western Sudan 全文
2023
Ali, Safa E.M.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology,Global Veterinary Services and Agriculture Equine-Specialty Center) | Ahmed, Yassin A.M.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology,Nokhbat Alnawadir Veterinary Pharmacy) | Osman, Alwia A.(Ministry of Animal Resources General Directorate of Animal Health & Epizootics Diseases Control) | Eldin, Omiema A. Gamal(Ministry of Animal Resources General Directorate of Animal Health & Epizootics Diseases Control) | Osman, Nussieba A.(Sudan University of Science and Technology College of Veterinary Medicine Department of Pathology, Parasitology and Microbiology)
Clinical signs suggestive of peste des petits ruminants (PPR) involved herds of small ruminants, which were described elsewhere in Sudan. Peste des petits ruminants was confirmed using an Immunocapture ELISA (IC-ELISA) assay in samples of infected and dead animals in areas of outbreaks. Therefore, to update information regarding the current situation and for assessment of the serological prevalence of PPR in small ruminants mingled at Central and Western Sudan during 2018-2019, 368 sera were collected from sheep (325 sera) and goats (43 sera) with different ages and breeds. These sera included 186 sera (173 sheep and 13 goats) from White Nile State and 182 sera (152 sheep and 30 goats) from Kordofan States. Competitive ELISA demonstrated higher prevalence of PPRV antibodies of 88.9%, 90.7% and 88.6% in both sheep and goats, goats, and sheep sera, respectively. Moreover, 100%, 94.7% and 78.5% seroprevalence values were demonstrated in South Kordofan, North Kordofan and White Nile States. The higher seroprevalence values detected in sera of unvaccinated sheep and goats indicated the wide exposure of these animals to PPRV and presence of protection following PPR viral infection. The findings of the study indicated that PPR is endemic in the surveyed areas of Sudan. CONTRIBUTION: The study will contribute effectively to the global eradication programme of PPR organised by the World Organization for Animal Health (WOAH, formerly OIE) and Food and Agriculture Organization (FAO). To completely eliminate PPR from Sudan by 2030, local efforts should be directed towards effectively and wholly vaccinating small ruminants using PPRV vaccine especially in routes of seasonal animal's movement and shared grazing areas.
显示更多 [+] 显示较少 [-]Prevalence of peste des petits ruminants virus antibodies in sheep and goats sera from Central-Western Sudan 全文
2023
Safa E.M. Ali | Yassin A.M. Ahmed | Alwia A. Osman | Omiema A. Gamal Eldin | Nussieba A. Osman
Clinical signs suggestive of peste des petits ruminants (PPR) involved herds of small ruminants, which were described elsewhere in Sudan. Peste des petits ruminants was confirmed using an Immunocapture ELISA (IC-ELISA) assay in samples of infected and dead animals in areas of outbreaks. Therefore, to update information regarding the current situation and for assessment of the serological prevalence of PPR in small ruminants mingled at Central and Western Sudan during 2018–2019, 368 sera were collected from sheep (325 sera) and goats (43 sera) with different ages and breeds. These sera included 186 sera (173 sheep and 13 goats) from White Nile State and 182 sera (152 sheep and 30 goats) from Kordofan States. Competitive ELISA demonstrated higher prevalence of PPRV antibodies of 88.9%, 90.7% and 88.6% in both sheep and goats, goats, and sheep sera, respectively. Moreover, 100%, 94.7% and 78.5% seroprevalence values were demonstrated in South Kordofan, North Kordofan and White Nile States. The higher seroprevalence values detected in sera of unvaccinated sheep and goats indicated the wide exposure of these animals to PPRV and presence of protection following PPR viral infection. The findings of the study indicated that PPR is endemic in the surveyed areas of Sudan. Contribution: The study will contribute effectively to the global eradication programme of PPR organised by the World Organization for Animal Health (WOAH, formerly OIE) and Food and Agriculture Organization (FAO). To completely eliminate PPR from Sudan by 2030, local efforts should be directed towards effectively and wholly vaccinating small ruminants using PPRV vaccine especially in routes of seasonal animal’s movement and shared grazing areas.
显示更多 [+] 显示较少 [-]Th1 and Th2 epitopes of Cowdria polymorphic gene 1 of Ehrlichia ruminantium 全文
2023
Ngoepe, Tlou A.(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases,University of Pretoria Faculty of Health Sciences Department of Immunology) | Pretorius, Alri(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases) | Steyn, Helena C.(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology) | van Kleef, Mirinda(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases)
Th1 and Th2 epitopes of Cowdria polymorphic gene 1 of Ehrlichia ruminantium 全文
2023
Ngoepe, Tlou A.(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases,University of Pretoria Faculty of Health Sciences Department of Immunology) | Pretorius, Alri(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases) | Steyn, Helena C.(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology) | van Kleef, Mirinda(Agricultural Research Council-Onderstepoort Veterinary Research Department of Immunology ,University of Pretoria Faculty of Veterinary Science Department of Veterinary Tropical Diseases)
Cowdria polymorphic gene 1 (cpg1, Erum2510, ERUM_RS01380) has been shown to induce 30% and 100% protection in sheep immunised by deoxyribonucleic acid (DNA) prime combined with DNA boost and DNA prime combined with protein boost, respectively, against heartwater infection via needle challenge. To localise its antigenic regions for inclusion in a multi-epitope DNA vaccine against heartwater, Erum2510 was cleaved into five overlapping subfragments. These subfragments were expressed individually in an Escherichia coli host expression system and evaluated for their ability to induce proliferative responses, Th1 and Th2 cytokines (interferon gamma [IFN-γ] and interleukin 4 [IL-4]) via enzyme-linked immunospot (ELISpot), quantitative real time polymerase chain reaction (qRT-PCR) and flow cytometry. Recombinant (r)proteins 3 and 4 were shown to induce immunodominant Th1 and Th2 immune responses characterised by the secretion of effector cytokines IFN-γ and IL-4 in addition to differential messenger ribonucleic acid (mRNA) expression of tumour necrosis factor (TNF), IL-2, IL-1, IL-18, IL-10, transforming growth factor (TGF), granulocyte-macrophage colony-stimulating factor (GM-CSF) and inducible nitric oxide synthase (iNOS). Thirty-seven overlapping synthetic peptides (16 mer) spanning the lengths of these immunodominant rproteins were synthesised and assayed. A peptide pool comprising p9 and p10 derived from rprotein 3 induced a Th1-biased immune response. A peptide pool comprising p28 and p29 derived from rprotein 4 induced a mixed Th1 and Th2 immune response characterised by secretion of IFN-γ and differential mRNA expression of IL-1, IL-2, IL-10, IL-12, iNOS, TGF, TNF and GM-CSF. Only one of the peptides (p29) induced secretion of IL-4. Phenotypic analysis showed significant activation of cluster of differentiation 8+ (CD8+), cluster of differentiation 4+ (CD4+) and B+ lymphocyte populations. Findings suggest that Erum2510 rproteins and synthetic peptides can induce both cellular and humoral immune responses, thereby implicating their importance in protection against heartwater. CONTRIBUTION: This study will facilitate the design of an effective multi-epitope DNA vaccine against heartwater that will contribute to control this economically important disease in sub-Saharan Africa and beyond.
显示更多 [+] 显示较少 [-]Th1 and Th2 epitopes of Cowdria polymorphic gene 1 of Ehrlichia ruminantium 全文
2023
Tlou A. Ngoepe | Alri Pretorius | Helena C. Steyn | Mirinda van Kleef
Cowdria polymorphic gene 1 (cpg1, Erum2510, ERUM_RS01380) has been shown to induce 30% and 100% protection in sheep immunised by deoxyribonucleic acid (DNA) prime combined with DNA boost and DNA prime combined with protein boost, respectively, against heartwater infection via needle challenge. To localise its antigenic regions for inclusion in a multi-epitope DNA vaccine against heartwater, Erum2510 was cleaved into five overlapping subfragments. These subfragments were expressed individually in an Escherichia coli host expression system and evaluated for their ability to induce proliferative responses, Th1 and Th2 cytokines (interferon gamma [IFN-γ] and interleukin 4 [IL-4]) via enzyme-linked immunospot (ELISpot), quantitative real time polymerase chain reaction (qRT-PCR) and flow cytometry. Recombinant (r)proteins 3 and 4 were shown to induce immunodominant Th1 and Th2 immune responses characterised by the secretion of effector cytokines IFN-γ and IL-4 in addition to differential messenger ribonucleic acid (mRNA) expression of tumour necrosis factor (TNF), IL-2, IL-1, IL-18, IL-10, transforming growth factor (TGF), granulocyte-macrophage colony-stimulating factor (GM-CSF) and inducible nitric oxide synthase (iNOS). Thirty-seven overlapping synthetic peptides (16 mer) spanning the lengths of these immunodominant rproteins were synthesised and assayed. A peptide pool comprising p9 and p10 derived from rprotein 3 induced a Th1-biased immune response. A peptide pool comprising p28 and p29 derived from rprotein 4 induced a mixed Th1 and Th2 immune response characterised by secretion of IFN-γ and differential mRNA expression of IL-1, IL-2, IL-10, IL-12, iNOS, TGF, TNF and GM-CSF. Only one of the peptides (p29) induced secretion of IL-4. Phenotypic analysis showed significant activation of cluster of differentiation 8+ (CD8+), cluster of differentiation 4+ (CD4+) and B+ lymphocyte populations. Findings suggest that Erum2510 rproteins and synthetic peptides can induce both cellular and humoral immune responses, thereby implicating their importance in protection against heartwater. Contribution: This study will facilitate the design of an effective multi-epitope DNA vaccine against heartwater that will contribute to control this economically important disease in sub-Saharan Africa and beyond.
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