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Kim H, Kim H, Kim WH, Min W, Kim G, Chang H. Development of a Parturition Detection System for Korean Native Black Goats. Animals (Basel) 2024; 14:634. [PMID: 38396602 PMCID: PMC10885883 DOI: 10.3390/ani14040634] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Korean Native Black Goats deliver mainly during the cold season. However, in winter, there is a high risk of stunted growth and mortality for their newborns. Therefore, we conducted this study to develop a KNBG parturition detection system that detects and provides managers with early notification of the signs of parturition. The KNBG parturition detection system consists of triaxial accelerometers, gateways, a server, and parturition detection alarm terminals. Then, two different data, the labor and non-labor data, were acquired and a Decision Tree algorithm was used to classify them. After classifying the labor and non-labor states, the sum of the labor status data was multiplied by the activity count value to enhance the classification accuracy. Finally, the Labor Pain Index (LPI) was derived. Based on the LPI, the optimal processing time window was determined to be 10 min, and the threshold value for labor classification was determined to be 14 240.92. The parturition detection rate was 82.4%, with 14 out of 17 parturitions successfully detected, and the average parturition detection time was 90.6 min before the actual parturition time of the first kid. The KNBG parturition detection system is expected to reduce the risk of stunted growth and mortality due to hypothermia in KNBG kids by detecting parturition 90.6 min before the parturition of the first kid, with a success rate of 82.4%, enabling parturition nursing.
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Affiliation(s)
- Heungsu Kim
- Division of Animal Science, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea; (H.K.); (H.K.)
| | - Hyunse Kim
- Division of Animal Science, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea; (H.K.); (H.K.)
| | - Woo H. Kim
- College of Veterinary Medicine, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea; (W.H.K.); (W.M.)
| | - Wongi Min
- College of Veterinary Medicine, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea; (W.H.K.); (W.M.)
| | - Geonwoo Kim
- Department of Biosystem Engineering, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea
- Institute of Agriculture and Life Science, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea
| | - Honghee Chang
- Division of Animal Science, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea; (H.K.); (H.K.)
- Institute of Agriculture and Life Science, Gyeongsang National University, Gyeongsangnam-do, Jinju 52828, Republic of Korea
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Flores RA, Cammayo-Fletcher PLT, Nguyen BT, Villavicencio AGM, Lee SY, Son Y, Kim JH, Park KI, Yoo WG, Jin YB, Min W, Kim WH. Genetic Characterization and Phylogeographic Analysis of the First H13N6 Avian Influenza Virus Isolated from Vega Gull in South Korea. Viruses 2024; 16:285. [PMID: 38400060 PMCID: PMC10891532 DOI: 10.3390/v16020285] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Avian influenza virus (AIV) is a pathogen with zoonotic and pandemic potential. Migratory birds are natural reservoirs of all known subtypes of AIVs, except for H17N10 and H18N11, and they have been implicated in previous highly pathogenic avian influenza outbreaks worldwide. This study identified and characterized the first isolate of the H13N6 subtype from a Vega gull (Larus vegae mongolicus) in South Korea. The amino acid sequence of hemagglutinin gene showed a low pathogenic AIV subtype and various amino acid substitutions were found in the sequence compared to the reference sequence and known H13 isolates. High sequence homology with other H13N6 isolates was found in HA, NA, PB1, and PA genes, but not for PB2, NP, M, and NS genes. Interestingly, various point amino acid mutations were found on all gene segments, and some are linked to an increased binding to human-type receptors, resistance to antivirals, and virulence. Evolutionary and phylogenetic analyses showed that all gene segments are gull-adapted, with a phylogeographic origin of mostly Eurasian, except for PB2, PA, and M. Findings from this study support the evidence that reassortment of AIVs continuously occurs in nature, and migratory birds are vital in the intercontinental spread of avian influenza viruses.
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Affiliation(s)
- Rochelle A. Flores
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Paula Leona T. Cammayo-Fletcher
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Binh T. Nguyen
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Andrea Gail M. Villavicencio
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Seung Yun Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Yongwoo Son
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Jae-Hoon Kim
- National Park Research Institute, Korean National Park Service, Wonju 26441, Gangwon, Republic of Korea;
| | - Kwang Il Park
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Won Gi Yoo
- Department of Parasitology and Tropical Medicine, College of Medicine, Gyeongsang National University, Jinju 52727, Gyeongnam, Republic of Korea;
| | - Yeung Bae Jin
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
| | - Woo H. Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Gyeongnam, Republic of Korea; (R.A.F.); (P.L.T.C.-F.); (B.T.N.); (A.G.M.V.); (S.Y.L.); (Y.S.); (K.I.P.); (Y.B.J.); (W.M.)
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Cammayo-Fletcher PLT, Flores RA, Nguyen BT, Villavicencio AGM, Lee SY, Kim WH, Min W. Promotion of Th1 and Th2 responses over Th17 in Riemerella anatipestifer stimulation in chicken splenocytes: Correlation of gga-miR-456-3p and gga-miR-16-5p with NOS2 and CCL5 expression. PLoS One 2023; 18:e0294031. [PMID: 37930983 PMCID: PMC10627459 DOI: 10.1371/journal.pone.0294031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/20/2023] [Indexed: 11/08/2023] Open
Abstract
Riemerella (R.) anatipestifer poses a significant threat to ducks, resulting in mortality rates ranging from 5-75%. This disease is highly infectious and economically consequential for domestic ducks. Although other avian species, such as chickens, also display susceptibility, the impact is comparatively less severe than in ducks. IL-17A has a pronounced correlation with R. anatipestifer infection in ducks, which is less in chickens. This study performed an in vitro transcriptome analysis using chicken splenic lymphocytes collected at 4-, 8-, and 24-hour intervals following R. anatipestifer stimulation. The primary objective was to discern the differentially expressed genes, with a specific focus on IL-17A and IL-17F expression. Moreover, an association between specific miRNAs with NOS2 and CCL5 was identified. The manifestation of riemerellosis in chickens was linked to heightened expression of Th1- and Th2-associated cells, while Th17 cells exhibited minimal involvement. This study elucidated the mechanism behind the absence of a Th17 immune response, shedding light on its role throughout disease progression. Additionally, through small RNA sequencing, we identified a connection between miRNAs, specifically miR-456-3p and miR-16-5p, and their respective target genes NOS2 and CCL5. These miRNAs are potential regulators of the inflammatory process during riemerellosis in chickens.
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Affiliation(s)
| | - Rochelle A. Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Binh T. Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | | | - Seung Yun Lee
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Woo H. Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
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Reyes AWB, Kim H, Huy TXN, Nguyen TT, Min W, Lee HJ, Hur J, Lee JH, Kim S. Protective Effects Against Brucella abortus 544 Infection in a Murine Macrophage Cell Line and in a Mouse Model via Treatment with Sirtuin 1 Activators Resveratrol, Piceatannol and Ginsenoside Rg3. J Microbiol Biotechnol 2023; 33:441-448. [PMID: 36859519 PMCID: PMC10164730 DOI: 10.4014/jmb.2209.09028] [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: 09/19/2022] [Revised: 12/20/2022] [Accepted: 01/09/2023] [Indexed: 03/03/2023]
Abstract
Brucellosis is a contagious zoonotic disease that infects millions of people annually with hundreds of millions more being exposed. It is caused by Brucella, a highly infectious bacterial species capable of infecting humans with an estimated dose of 10-100 organisms. Sirtuin 1 (SIRT1) has been reported to contribute to prevention of viral diseases as well as a chronic infection caused by Mycobacterium bovis. Here, we investigated the role of SIRT1 in the establishment of Brucella abortus infection in both in vitro and in vivo systems using the reported SIRT1 activators resveratrol (RES), piceatannol (PIC), and ginsenoside Rg3 (Rg3). In RAW264.7 cells, SIRT1 activators did not alter the adherence of Brucella or Salmonella Typhimurium. However, reduced uptake of Brucella was observed in cells treated with PIC and Rg3, and survival of Brucella within the cells was only observed to decrease in cells that were treated with Rg3, while PIC treatment reduced the intracellular survival of Salmonella. SIRT1 treatment in mice via oral route resulted in augmented Brucella resistance for PIC and Rg3, but not RES. PIC treatment favors Th2 immune response despite reduced serum proinflammatory cytokine production, while Rg3-treated mice displayed high IL-12 and IFN-γ serum production. Overall, our findings encourage further investigation into the complete mechanisms of action of the different SIRT1 activators used as well as their potential benefit as an effective alternative approach against intracellular and extracellular pathogens.
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Affiliation(s)
- Alisha Wehdnesday Bernardo Reyes
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, College, Laguna 4031, Philippines
| | - Heejin Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Trang Thi Nguyen
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jin Hur
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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Flores RA, Nguyen BT, Cammayo PLT, Fernandez-Colorado CP, Roy A, Kim S, Kim W, Min W. Comparative analysis of evaluation parameters in E. acervulina, E. maxima and E. tenella-infected broilers. J Vet Sci 2022; 23:e91. [PMID: 36448437 PMCID: PMC9715383 DOI: 10.4142/jvs.22170] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/05/2022] [Accepted: 09/19/2022] [Indexed: 11/06/2022] Open
Abstract
Three parameters, body weight gain (BWG), intestinal lesion score (LS) and fecal oocyst shedding, were compared in broilers infected with major parasitic species; Eimeria acervulina, E. maxima, and E. tenella. First, two- and three-week-old chickens with Eimeria infection showed LS of approximately 3, but two-week-old chickens were more correlated with BWG. Second, significant differences in BWG were observed between male and female broilers challenged with Eimeria. Finally, E. maxima-infected broilers among three Eimeria species showed a higher relationship between BWG and LS, suggesting three considerations such as genders, age and Eimeria species for Eimeria experiments.
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Affiliation(s)
- Rochelle Alipio Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Binh Thanh Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Paula Leona Tayamen Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Cherry Pambid Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, Laguna 4031, Philippines
| | - Anindita Roy
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Woohyun Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea.,Hoxbio, Business incubator, Gyeongsang National University, Jinju 52828, Korea
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Reyes AWB, Kim H, Huy TXN, Nguyen TT, Min W, Lee D, Hur J, Lee JH, Kim S. The In Vitro and In Vivo Effect of Lipoxygenase Pathway Inhibitors Nordihydroguaiaretic Acid and Its Derivative Tetra- O-methyl Nordihydroguaiaretic Acid against Brucella abortus 544. J Microbiol Biotechnol 2022; 32:1126-1133. [PMID: 36039381 PMCID: PMC9628969 DOI: 10.4014/jmb.2207.07026] [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] [Received: 07/13/2022] [Revised: 08/09/2022] [Accepted: 08/25/2022] [Indexed: 12/15/2022]
Abstract
This study investigated the contribution of lipoxygenase (LOX) inhibitors, nordihydroguaiaretic acid (NDGA), tetra-O-methyl nordihydroguaiaretic acid (M4N) and zileuton (ZIL), and thromboxane A2 (TXA2) inhibitor 4,5-diphenylimidazole (DPI) in the proliferation of Brucella abortus infection. None of the compounds affected the uptake of Brucella into the macrophages. We determined the effect of neutralizing leukotriene B4 (LTB4) receptor and showed that the uptake of the bacteria was inhibited at 30 min post-infection. M4N treatment attenuated intracellular survival of Brucella at 2 h post-incubation but it was not observed in the succeeding time points. DPI treatment showed reduced survival of Brucella at 24 h post-incubation while blocking LTB4 receptor was observed to have a lower intracellular growth at 48 h post-incubation suggesting different action of the inhibitors in the course of the survival of Brucella within the cells. Reduced proliferation of the bacteria in the spleens of mice was observed in animals treated with ZIL or DPI. Increased serum cytokine level of TNF-α and MCP-1 was observed in mice treated with M4N or ZIL while a lower IFN-γ level in ZIL-treated mice and a higher IL-12 serum level in DPI-treated mice were observed at 7 d post-infection. At 14 d post-infection, ZIL-treated mice displayed reduced serum level of IL-12 and IL-10. Overall, inhibition of 5-LOX or TXA2 or a combination therapy promises a potential alternative therapy against B. abortus infection. Furthermore, strong ligands for LTB4 receptor could also be a good candidate for the control of Brucella infection.
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Affiliation(s)
- Alisha Wehdnesday Bernardo Reyes
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, College, Laguna 4031, Philippines
| | - Heejin Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Trang Thi Nguyen
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Dongho Lee
- College of Medicine, Inje University, Busan, 47392, Republic of Korea
| | - Jin Hur
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea,Corresponding author Phone +82-55-772-2359 Fax: +82-55-772-2349 E-mail:
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Flores RA, Nguyen BT, Cammayo PLT, Võ TC, Naw H, Kim S, Kim WH, Na BK, Min W. Epidemiological investigation and drug resistance of Eimeria species in Korean chicken farms. BMC Vet Res 2022; 18:277. [PMID: 35836230 PMCID: PMC9284840 DOI: 10.1186/s12917-022-03369-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [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: 02/21/2022] [Accepted: 06/30/2022] [Indexed: 11/20/2022] Open
Abstract
Background Coccidiosis is a poultry disease that occurs worldwide and is caused by Eimeria species. The infection is associated with reduced feed efficiency, body weight gain, and egg production. This study aimed to investigate the current status of coccidiosis and anticoccidial resistance to anticoccidial drugs used as part of control strategies for this disease in Korean chicken farms. Results An overall prevalence of 75% (291/388) was found. Positive farms contained several Eimeria species (mean = 4.2). Of the positive samples, E. acervulina (98.6%), E. maxima (84.8%), and E. tenella (82.8%) were the most prevalent species. Compared with cage-fed chickens, broilers and native chickens reared in free-range management were more at risk of acquiring an Eimeria infection. Sensitivities to six anticoccidial drugs (clopidol, diclazuril, maduramycin, monensin, salinomycin, and toltrazuril) were tested using nine field samples. Compared with untreated healthy control chickens, the body weight gains of infected chickens and treated/infected chickens were significantly reduced in all groups. Fecal oocyst shedding was significantly reduced in four clopidol-treated/infected groups, three diclazuril-treated/infected groups, two toltrazuril-treated/infected groups, one monensin-treated/infected group, and one salinomycin-treated/infected group, compared with the respective untreated/infected control groups. Intestinal lesion scores were also reduced in three clopidol-treated/infected groups, one monensin-treated/infected group, and one toltrazuril-treated/infected group. However, an overall assessment using the anticoccidial index, percent optimum anticoccidial activity, relative oocyst production, and reduced lesion score index found that all field samples had strong resistance to all tested anticoccidial drugs. Conclusion The results of this large-scale epidemiological investigation and anticoccidial sensitivity testing showed a high prevalence of coccidiosis and the presence of severe drug resistant Eimeria species in the field. These findings will be useful for optimizing the control of coccidiosis in the poultry industry. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-022-03369-3.
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Affiliation(s)
- Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Binh T Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Paula Leona T Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Tuấn Cường Võ
- Department of Parasitology and Tropical Medicine, Department of Convergence Medical Science, and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, 52727, Republic of Korea
| | - Haung Naw
- Department of Parasitology and Tropical Medicine, Department of Convergence Medical Science, and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, 52727, Republic of Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Woo H Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Byoung-Kuk Na
- Department of Parasitology and Tropical Medicine, Department of Convergence Medical Science, and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, 52727, Republic of Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Shin E, Lee E, Hong J, Kim H, Lee W, Chun S, Min W. W250 Accuracy evaluation of automated electrochemiluminescence immunoassay for everolimus and sirolimus compared to liquid chromatography-tandem mass spectrometry. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Hong J, Cho E, Kim H, Lee W, Chun S, Min W. M104 Application and modification of reference change values for delta checks in clinical laboratory. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Shin Y, Shin E, Hong J, Kim H, Lee W, Chun S, Min W. M246 Estimated mean recovery of two LDL cholesterol homogeneous methods by non-HDL particle size distribution. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kim S, Hong H, Hong J, Kim H, Lee W, Chun S, Min W. M109 Monitoring of the proportion of unacceptable specimen for laboratory quality improvement. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Hong H, Lee E, Hong J, Kim H, Lee W, Chun S, Min W. T115 Hematocrit is a predictive marker for inaccurate interpretation of arterial blood gas analysis caused by inadequate sample mixing. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Flores RA, Cammayo PLT, Nguyen BT, Fernandez-Colorado CP, Kim S, Kim WH, Min W. Duck Interleukin-22: Identification and Expression Analysis in Riemerella anatipestifer Infection. J Immunol Res 2021; 2021:3862492. [PMID: 34805416 PMCID: PMC8601822 DOI: 10.1155/2021/3862492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/07/2021] [Indexed: 01/05/2023] Open
Abstract
Riemerella anatipestifer is one of the most devastating pathogens affecting the global duck farms. Infection is involved in secretion of proinflammatory cytokines, including interleukin- (IL-) 17A. During the immune response to infection, IL-22 and IL-17A are often produced concurrently and at high levels in inflamed tissues. Little is known about duck IL-22 (duIL-22) during R. anatipestifer infection. We describe the characterization of duIL-22 and its mRNA expression analysis in splenic lymphocytes and macrophages treated with heat-killed R. anatipestifer and in the spleens and livers of R. anatipestifer-infected ducks. Full-length cDNA of duIL-22 encoded 197 amino acids. The deduced amino acid sequence of duIL-22 shared a 30.4-40.5% similarity with piscine counterparts, 57.4-60.1% with mammalian homologs, and 93.4% similarity to the chicken. Duck IL-22 mRNA expression level was relatively high in the skin of normal ducks. It was increased in mitogen-stimulated splenic lymphocytes and in killed R. anatipestifer-activated splenic lymphocytes and macrophages. Compared with healthy ducks, IL-22 transcript expression was significantly upregulated in the livers and spleens on days 1 and 4 postinfection, but not on day 7. IL-17A was significantly increased in the spleens only on day 4 postinfection and in the livers at all time points. When splenic lymphocytes were stimulated with heat-killed R. anatipestifer, CD4+ cells predominantly produced IL-22 while IL-17A was expressed both by CD4+ and CD4- cells. These results suggested that IL-22 and IL-17A are likely expressed in different cell types during R. anatipestifer infection.
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Affiliation(s)
- Rochelle A. Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Paula Leona T. Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Binh T. Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Cherry P. Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños College, Laguna 4031, Philippines
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Woo H. Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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Kim WH, Min W, Park KI, Lillehoj HS, Fernandez-Colorado CP, Flores RA, Cammayo PLT, Nguyen BT. Expression of Chicken NK-Lysin and Its Role in Chicken Coccidiosis Induced by Eimeria necatrix. Korean J Parasitol 2021; 59:439-445. [PMID: 34724762 PMCID: PMC8561051 DOI: 10.3347/kjp.2021.59.5.439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/11/2021] [Indexed: 11/23/2022]
Abstract
Coccidiosis in chickens is an intestinal parasitic disease caused by protozoan parasites named Eimeria spp. In some Eimeria infections, intestinal lymphocytes are known to highly express chicken NK-lysin (cNK-lysin), an antimicrobial peptide with anticoccidial activity. Therefore, this study aims to investigate the expression of cNK-lysin in E. necatrix-infected chickens and its role in E. necatrix infection. The expression of cNK-lysin transcript was significantly increased in E. necatrix sporozoites-treated lymphocytes. In E. necatrix infection, cNK-lysin transcript was induced in intestinal lymphocytes but not in the spleen. The recombinant cNK-lysin exhibited anticoccidial activity against E. necatrix sporozoites as well as immunomodulatory activity on macrophages by inducing proinflammatory cytokines. These results indicated that E. necatrix infection induces high local expression of cNK-lysin and the secreted cNK-lysin helps protect coccidiosis.
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Affiliation(s)
- Woo Hyun Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Kwang Il Park
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, ARS, U.S. Department of Agriculture, Beltsville, MD 20705, USA
| | - Cherry P Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, College, Laguna 4031, Philippines
| | - Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Paula Leona T Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Binh Thanh Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
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Nguyen BT, Flores RA, Cammayo PLT, Kim S, Kim WH, Min W. Anticoccidial Activity of Berberine against Eimeria-Infected Chickens. Korean J Parasitol 2021; 59:403-408. [PMID: 34470092 PMCID: PMC8413861 DOI: 10.3347/kjp.2021.59.4.403] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 07/30/2021] [Indexed: 12/29/2022]
Abstract
Avian coccidiosis has a major economic impact on the poultry industry, it is caused by 7 species of Eimeria, and has been primarily controlled using chemotherapeutic agents. Due to the emergence of drug-resistant strains, alternative control strategies are needed. We assessed anticoccidial effects of berberine-based diets in broiler chickens following oral infection with 5 Eimeria species (E. acervulina, E. maxima, E. tenella, E. mitis, and E. praecox). When 0.2% berberine, a concentration that does not affect weight gain, was added to the diet, the 4 groups infected with E. acervulina, E. tenella, E. mitis, or E. praecox showed significant reductions in fecal oocyst shedding (P<0.05) compared to their respective infected and untreated controls. In chickens treated 0.5% berberine instead of 0.2% and infected with E. maxima, fecal oocyst production was significantly reduced, but body weight deceased, indicating that berberine treatment was not useful for E. maxima infection. Taken together, these results illustrate the applicability of berberine for prophylactic use to control most Eimeria infections except E. maxima. Further studies on the mechanisms underlying the differences in anticoccidial susceptibility to berberine, particularly E. maxima, are remained.
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Affiliation(s)
- Binh Thanh Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Rochelle Alipio Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Paula Leona Taymen Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Woo Hyun Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea
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Baek HW, Bae JH, Lee YG, Kim SA, Min W, Shim S, Han NS, Seo JH. Dynamic interactions of lactic acid bacteria in Korean sourdough during back-slopping process. J Appl Microbiol 2021; 131:2325-2335. [PMID: 33797823 DOI: 10.1111/jam.15097] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 03/19/2021] [Accepted: 03/28/2021] [Indexed: 11/28/2022]
Abstract
AIMS This study aimed to clarify the cause of quality reduction in Korean sourdough after successive back-slopping. METHODS AND RESULTS We investigated the dynamic changes in lactic acid bacteria during the back-slopping process using genetic fingerprinting techniques. During the initial propagation phases, the dominant lactic acid bacteria were Fructilactobacillus sanfranciscensis (<5 log CFU per g sourdough), Latilactobacillus curvatus (9·5 log CFU per g sourdough) and Levilactobacillus brevis (6·5 log CFU per g sourdough). However, after the 11th propagation, F. sanfranciscensis became more prominent (>9·0 log CFU per g sourdough), whereas L. curvatus and L. brevis rapidly decreased. Monitoring these bacteria in the co-culture system revealed that acid-tolerant F. sanfranciscensis rapidly utilized maltose (1·65 g l-1 h-1 ) and produced large amounts of lactic acid, whereas L. brevis and L. curvatus consumed maltose slowly and L. curvatus was poorly tolerant to lactic acid. CONCLUSION The results indicate that competition exists between the lactic acid bacteria in sourdough during the back-slopping process, and microbial succession by acid-tolerant species results in quality reduction of sourdough. SIGNIFICANCE AND IMPACT OF THE STUDY This study uncovered the cause of microbial changes during the propagation of Korean sourdough and proposed a strategy to develop starters to produce high-quality bakery products.
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Affiliation(s)
- H-W Baek
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - J-H Bae
- Brain Korea 21 Center for Bio-Health Industry, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju, Republic of Korea
| | - Y-G Lee
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - S-A Kim
- Brain Korea 21 Center for Bio-Health Industry, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju, Republic of Korea
| | - W Min
- Department of Food Science and Development, Kyungil University, Gyeongsan, Republic of Korea
| | - S Shim
- Research Institute of Food and Biotechnology, SPC Group, Seoul, Republic of Korea
| | - N S Han
- Brain Korea 21 Center for Bio-Health Industry, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju, Republic of Korea
| | - J-H Seo
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea.,Research Institute of Food and Biotechnology, SPC Group, Seoul, Republic of Korea
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Reyes AWB, Huy TXN, Vu SH, Kang CK, Min W, Lee HJ, Lee JH, Kim S. Formyl peptide receptor 2 (FPR2) antagonism is a potential target for the prevention of Brucella abortus 544 infection. Immunobiology 2021; 226:152073. [PMID: 33657463 DOI: 10.1016/j.imbio.2021.152073] [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: 10/18/2020] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 10/22/2022]
Abstract
Here, we explore the potential role of formyl peptide receptor 2 (FPR2) during Brucella abortus infection. FPR2 manipulation affected B. abortus internalization but not its growth within macrophages. During the activation of FPR2 induced by its agonist AGP-8694, a high level of Brucella uptake was accompanied by an increase in ERK phosphorylation, while intracellular survival at 24 h postincubation was observed to be associated with slightly reduced nitrite accumulation but augmented superoxide anion production. Attenuated secretion of IL-6 and IL-10 were observed 48 h postincubation in the bone marrow-derived macrophages (BMDMs) treated with the FPR2 antagonist WRW4. An opposite pattern of bacterial uptake was observed upon treatment with the FPR2 antagonist, but no significant changes in the activation of MAPKs or the production of nitrite or superoxide anion were observed. Interestingly, AGP-8694 treatment of mice did not lead to differences in spleen or liver weight but slightly enhanced bacterial proliferation was observed in the spleen. Although the weights of the spleen or liver did not differ, WRW4 treatment led to reduced bacterial proliferation in the spleen. Furthermore, FPR2 antagonist treatment was associated with high serum levels of the proinflammatory cytokines IL-12, TNF-α, IFN-γ and MCP-1, while the production of TNF-α was inhibited in AGP-8694-treated mice. IL-6 and IL-10 levels were slightly increased in AGP-8694-treated mice at 24 h postinfection. Our findings demonstrated the contribution of FPR2 via manipulating this receptor using its reported agonist AGP-8694 and antagonist WRW4 in both in vitro and in vivo systems. Although activation of the receptor did not consistently induced Brucella infection, FPR2 inhibition may be a promising strategy to treat brucellosis in animals which encourages further investigation.
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Affiliation(s)
- Alisha Wehdnesday Bernard Reyes
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; Institute of Applied Sciences, Ho Chi Minh City University of Technology - HUTECH, 475A Dien Bien Phu St., Ward 25, Binh Thanh District, Ho Chi Minh City, Viet Nam
| | - Son Hai Vu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; Institute of Applied Sciences, Ho Chi Minh City University of Technology - HUTECH, 475A Dien Bien Phu St., Ward 25, Binh Thanh District, Ho Chi Minh City, Viet Nam
| | - Chang Keun Kang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea.
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Vu SH, Bernardo Reyes AW, Ngoc Huy TX, Min W, Lee HJ, Kim HJ, Lee JH, Kim S. Prostaglandin I2 (PGI 2) inhibits Brucella abortus internalization in macrophages via PGI 2 receptor signaling, and its analogue affects immune response and disease outcome in mice. Dev Comp Immunol 2021; 115:103902. [PMID: 33091457 DOI: 10.1016/j.dci.2020.103902] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 06/11/2023]
Abstract
To date, the implications of prostaglandin I2 (PGI2), a prominent lipid mediator for modulation of immune responses, has not been clearly understood in Brucella infection. In this study, we found that cyclooxygenase-2 (COX-2) was significantly expressed in both infected bone marrow-derived macrophages (BMMs) and RAW 264.7 cells. Prostaglandin I2 synthase (PTGIS) expression was not significantly changed, and PGI2receptor (PTGIR) expression was downregulated in BMMs but upregulated in RAW 264.7 macrophages at late infection. Here, we presented that PGI2, a COX-derived metabolite, was produced by macrophages during Brucella infection and its production was regulated by COX-2 and IL-10. We suggested that PGI2 and selexipag, a potent PGI2 analogue, inhibited Brucella internalization through IP signaling which led to down-regulation of F-actin polymerization and p38α MAPK activity. Administration with selexipag suppressed immune responses and resulted in a notable reduction in bacterial burden in spleen of Brucella-challenged mice. Taken together, our study is the first to characterize PGI2 synthesis and its effect in evasion strategy of macrophages against Brucella infection.
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Affiliation(s)
- Son Hai Vu
- Institute of Applied Sciences, Ho Chi Minh City University of Technology - HUTECH, 475A Dien Bien Phu St., Ward 25, Binh Thanh District, Ho Chi Minh City, Viet Nam; Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | | | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun-Jin Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Vu SH, Bernardo Reyes AW, Ngoc Huy TX, Min W, Lee HJ, Kim HJ, Lee JH, Kim S. Transcriptomic profiling of phospholipase A2 and the role of arachidonic acid during Brucella abortus 544 infection in both in vitro and in vivo systems. Microb Pathog 2020; 152:104655. [PMID: 33264666 DOI: 10.1016/j.micpath.2020.104655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/24/2022]
Abstract
To date, the antimicrobial activity of arachidonic acid (AA) with regard to pathogenesis of Brucella in macrophages is unknown. We found that AA is highly toxic to B. abortus in a time- and dose-dependent manner. Transcription profiling of different groups of phospholipases A2 (PLA2) was examined, ten PLA2 were detected including cPLA2-IV-A, cPLA2-IV-B, iPLA2-VI, sPLA2-I-B, sPLA2-II-C, sPLA2-II-D, sPLA2-II-E, sPLA2-V, sPLA2-X, sPLA2-XII-A. Phagocytic signaling investigation indicated that AA treatment attenuated p38α activity in infected culture macrophages possibly leading to inhibition of Brucella internalization. Post-treatment with the fatty acid did not influence bacterial intracellular multiplication or alter production of antimicrobial effectors like ROS and NO in RAW 264.7 cells. On the other hand, AA administration significantly reduced bacterial load and modestly inhibited pro-inflammatory cytokine secretion including TNF, IFN-γ and IL-6 in mice plasma. To our knowledge, we are the first to suggest that B. abortus invasion to RAW 264.7 macrophages is impaired by AA.
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Affiliation(s)
- Son Hai Vu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Applied Sciences, Ho Chi Minh City University of Technology - HUTECH, 475A Dien Bien Phu St., Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam, Republic of Korea
| | | | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun Jin Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Fernandez-Colorado CP, Cammayo PLT, Flores RA, Nguyen BT, Kim WH, Kim S, Lillehoj HS, Min W. Anti-inflammatory activity of diindolylmethane alleviates Riemerella anatipestifer infection in ducks. PLoS One 2020; 15:e0242198. [PMID: 33175869 PMCID: PMC7657562 DOI: 10.1371/journal.pone.0242198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 10/28/2020] [Indexed: 11/18/2022] Open
Abstract
3,3’-Diindolylmethane (DIM) is found in cruciferous vegetables and is used to treat various inflammatory diseases because of its potential anti-inflammatory effects. To investigate effects of DIM in Riemerella anatipestifer-infected ducks which induce upregulation of inflammatory cytokines, ducks were treated orally with DIM at dose of 200 mg/kg/day and infected the following day with R. anatipestifer. Infected and DIM-treated ducks exhibited 14% increased survival rate and significantly decreased bacterial burden compared to infected untreated ducks. Next, the effect on the expression level of inflammatory cytokines (interleukin [IL]-17A, IL-17F, IL-6, IL-1β) of both in vitro and in vivo DIM-treated groups was monitored by quantitative reverse-transcription PCR (qRT-PCR). Generally, the expression levels of the cytokines were significantly reduced in DIM-treated splenic lymphocytes stimulated with killed R. anatipestifer compared to stimulated untreated splenic lymphocytes. Similarly, the expression levels of the cytokines were significantly reduced in the spleens and livers of DIM-treated R. anatipestifer–infected ducks compared to infected untreated ducks. This study demonstrated the ameliorative effects of DIM in ducks infected with R. anatipestifer. Thus, DIM can potentially be used to prevent and/or treat R. anatipestifer infection via inhibition of inflammatory cytokine expression.
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Affiliation(s)
- Cherry P. Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, College, Laguna, Philippines
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Paula Leona T. Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Rochelle A. Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Binh T. Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Woo H. Kim
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States of America
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Hyun S. Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States of America
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Republic of Korea
- * E-mail:
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Reyes AWB, Vu SH, Huy TXN, Min W, Lee HJ, Chang HH, Lee JH, Kim S. Modulatory Effect of Linoleic Acid During Brucella abortus 544 Infection in Murine Macrophage RAW264.7 Cells and Murine Model BALB/c Mice. J Microbiol Biotechnol 2020; 30:642-648. [PMID: 32482929 PMCID: PMC9728246 DOI: 10.4014/jmb.1911.11037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/29/2020] [Indexed: 12/15/2022]
Abstract
In this study, we investigated the effects of linoleic acid (LA) treatment on Brucella abortus infection in professional phagocyte RAW264.7 cells, particularly during the pathogens invasion and intracellular growth in these cells, as well as in murine model BALB/c mice focusing on bacterial splenic proliferation and immunoregulatory activities. LA inhibited the growth of Brucella in a doseand time-dependent manner. The ability of the pathogen to enter the phagocytes was inhibited as was its survival within these cells. This was accompanied by increased nitrite accumulation in these cells at 24 h post-infection. The concentration of LA used in the present study did not affect the total body weight or liver function of the mice. During Brucella infection, the total splenic weight of these animals was not changed; rather, resistance to bacterial proliferation was enhanced in the spleen. Furthermore, mice treated with LA displayed elevated levels of IL-12 and IFN-γ but reduced levels of IL-10 during infection. The findings in this study showed the regulatory role of LA against B. abortus infection suggesting its potential use in designing intervention strategy for brucellosis.
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Affiliation(s)
| | - Son Hai Vu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hong Hee Chang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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22
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Cammayo PLT, Fernandez-Colorado CP, Flores RA, Roy A, Kim S, Lillehoj HS, Kim WH, Min W. IL-17A treatment influences murine susceptibility to experimental Riemerella anatipestifer infection. Dev Comp Immunol 2020; 106:103633. [PMID: 31991165 DOI: 10.1016/j.dci.2020.103633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
Riemerella anatipestifer causes infectious disease and considerable economic loss in the duck industry worldwide. Our previous studies demonstrated an association between proinflammatory cytokine interleukin (IL)-17A and R. anatipestifer infection. Here, we provide evidence for IL-17A involvement in R. anatipestifer infection using a mouse model. Mice showed higher resistance to R. anatipestifer infection than ducks, with median lethal doses (LD50) of 3.5 × 1010 and 5 × 107 colony-forming units (CFU), respectively. Twenty-four hours after infection, mice with a sub-lethal dose (3.5 × 109 CFU) exhibited levels of IL-17A and IL-23 expression similar to uninfected mice. Thus, we hypothesized that exogenous IL-17A or IL-23 administration affects susceptibility of mice to R. anatipestifer. Mice pretreated with IL-17A or IL-23 prior to sub-lethal dose infection of R. anatipestifer exhibited increased bacterial burden and spleen weights compared to untreated infected mice, confirming the involvement of IL-17A in susceptibility to R. anatipestifer infection in vivo.
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Affiliation(s)
- Paula Leona T Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Cherry P Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Banos, College, Laguna, 4031, Philippines
| | - Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Anindita Roy
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Woo H Kim
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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23
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Reyes AWB, Arayan LT, Huy TXN, Vu SH, Min W, Hur J, Kim S. β-Sitosterol Contributes in the Resistance to Invasion and Survival of Brucella abortus 544 within RAW264.7 Cells, and Cytokine Production with Reduced Susceptibility to Infection in BALB/c Mice. J Microbiol Biotechnol 2020; 30:482-489. [PMID: 31893609 PMCID: PMC9728205 DOI: 10.4014/jmb.1909.09052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We previously identified β-sitosterol (BS) as one of the most abundant compounds found in Korean red ginseng oil. BS is a widely prevalent vegetable-derived phytosterol with many known health benefits. Here, we investigated the efficacy of BS against Brucella (B.) abortus infection. BS showed no effect on bacterial growth but attenuated internalization, intracellular survival and MAPKs-linked intracellular signaling in RAW264.7 cells. BS treatment in cells is also associated with increased nitrite concentration during infection at 24 h. Slightly enhanced resistance to B. abortus infection was observed in mice orally given BS, which could be mediated by induced production of proinflammatory cytokines. Taken together, our study demonstrates the contribution of BS treatment against B. abortus infection although further investigation is encouraged to maximize its beneficial effects against intracellular infection.
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Affiliation(s)
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Son Hai Vu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jin Hur
- Veterinary Public Health, College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea,Corresponding author Phone: +82-55-772-2359 Fax: +82-55-772-2349 E-mail:
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24
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Murguia-Favela L, Min W, Loves R, Leon-Ponte M, Grunebaum E. Comparison of elapegademase and pegademase in ADA-deficient patients and mice. Clin Exp Immunol 2020; 200:176-184. [PMID: 31989577 DOI: 10.1111/cei.13420] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2020] [Indexed: 01/08/2023] Open
Abstract
The absence of adenosine deaminase (ADA) causes severe combined immune deficiency (SCID), which has been treated with PEGylated bovine-extracted ADA (ADAGEN). ADAGEN was recently replaced by a PEGylated recombinant bovine ADA, expressed in Escherichia coli (elapegademase, ELA-ADA). Limited information on ELA-ADA is available. ADA enzymatic activity of ELA-ADA and ADAGEN was assessed in vitro at diverse dilutions. ADA activity and immune reconstitution in an ADA-SCID patient treated with ELA-ADA were compared with age-matched patients previously treated with ADAGEN. ADA activity and thymus reconstitution were evaluated in ADA-deficient mice following ELA-ADA or ADAGEN administered from 7 days postpartum. In vitro, ADA activity of ELA-ADA and ADAGEN were similar at all dilutions. In an ADA-SCID patient, ELA-ADA treatment led to a marked increase in trough plasma ADA activity, which was 20% higher than in a patient previously treated with ADAGEN. A marked increase in T cell numbers and generation of naive T cells was evident following 3 months of ELA-ADA treatment, while T cell numbers increased following 4 months in 3 patients previously treated with ADAGEN. T cell proliferations stimulation normalized and thymus shadow became evident following ELA-ADA treatment. ADA activity was significantly increased in the blood of ADA-deficient mice following ELA-ADA compared to ADAGEN, while both treatments improved the mice weights, the weight, number of cells in their thymus and thymocyte subpopulations. ELA-ADA has similar in- vitro and possibly better in-vivo activity than ADAGEN. Future studies will determine whether ELA-ADA results in improved long-term immune reconstitution.
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Affiliation(s)
- L Murguia-Favela
- Section of Hematology and Immunology, Department of Pediatrics, Alberta Children's Hospital and University of Calgary, Calgary, Canada
| | - W Min
- Developmental and Stem Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - R Loves
- Developmental and Stem Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - M Leon-Ponte
- Developmental and Stem Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - E Grunebaum
- Developmental and Stem Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Canada.,Division of Immunology and Allergy, Department of Pediatrics, Hospital for Sick Children, Toronto, Canada
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25
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Flores RA, Fernandez-Colorado CP, Afrin F, Cammayo PLT, Kim S, Kim WH, Min W. Riemerella anatipestifer infection in ducks induces IL-17A production, but not IL-23p19. Sci Rep 2019; 9:13269. [PMID: 31519917 PMCID: PMC6744436 DOI: 10.1038/s41598-019-49516-z] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
R. anatipestifer (RA) is one of the most harmful bacterial pathogens affecting the duck industry, and infection is associated with the production of proinflammatory cytokines, including IL-17A. Another proinflammatory cytokine, IL-23, is critical for the development of Th17 cells, which produce IL-17. However, IL-23 roles have not been studied in this infection. Here, we describe the identification and mRNA expression analysis of duck IL-23p19 (duIL-23p19) in splenic lymphocytes and macrophages stimulated with killed RA and in spleens of RA-infected ducks. Expression of duIL-23p19 transcript identified in this study was relatively high in livers of healthy ducks and was upregulated in mitogen-activated splenic lymphocytes as well as in splenic lymphocytes and macrophages stimulated with killed RA. In spleens of RA-infected ducks, expression levels of duIL-23p19 transcript were unchanged at all time points except on days 4 and 7 post-infection; however, duIL-17A and IL-17F expression levels were upregulated in both spleens of RA-infected ducks and splenic lymphocytes and macrophages stimulated with killed RA. In sera collected at 24 h after this infection, duIL-23p19 expression levels were unchanged, whereas IL-17A significantly upregulated. These results suggest that IL-23p19 does not play a critical role in the IL-17A response in early stages of RA-infected ducks.
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Affiliation(s)
- Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea
| | - Cherry P Fernandez-Colorado
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea.,Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Banos, College, Laguna, 4031, Philippines
| | - Fahmida Afrin
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea.,Animal Genetic Resources Research Center, National Institute of Animal Science, Rural Development Administration, Hwang San-ro 1214-13, Unbong-up, Namwon, 55717, Korea
| | - Paula Leona T Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea
| | - Woo H Kim
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Korea.
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Reyes AWB, Arayan LT, Huy TXN, Vu SH, Kang CK, Min W, Lee HJ, Lee JH, Kim S. Chemokine receptor 4 (CXCR4) blockade enhances resistance to bacterial internalization in RAW264.7 cells and AMD3100, a CXCR4 antagonist, attenuates susceptibility to Brucella abortus 544 infection in a murine model. Vet Microbiol 2019; 237:108402. [PMID: 31585647 DOI: 10.1016/j.vetmic.2019.108402] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 02/06/2023]
Abstract
We investigated the involvement of chemokine receptor type 4 (CXCR4) signaling on the outcome of Brucella (B.) abortus 544 infection in murine macrophages and in a mouse model. CXCR4 manipulation were first evaluated for Brucella invasion and intracellular survival efficiency, mitogen-activated protein kinases (ERK1/2, JNK, p38α) activation and generation of nitric oxide (NO), and then in the splenic bacterial proliferation and cytokine production in BALB/c mice. CXCR4 blockade is involved in the successful control of Brucella invasion, reduction of ERK1/2 phosphorylation and inhibition of nitric oxide release from macrophages. Furthermore, using a reported CXCR4-specific antagonist AMD3100 resulted in splenomegaly but attenuated Brucella proliferation in these organs with elevated serum levels of MCP-1, TNF and IL-12. These findings provide insights on the contribution of CXCR4 signaling in the phagocytic pathway and immune modulation during B. abortus infection.
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Affiliation(s)
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Son Hai Vu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Chang Keun Kang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - John Hwa Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Feng X, Yang M, Yang Z, Qian Q, Burns EM, Min W. Abnormal expression of the co‐stimulatory molecule B7‐H3 in lichen simplex chronicus is associated with expansion of Langerhans cells. Clin Exp Dermatol 2019; 45:30-35. [PMID: 31056761 DOI: 10.1111/ced.14001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2019] [Indexed: 12/15/2022]
Affiliation(s)
- X. Feng
- Department of Dermatology The First Affiliated Hospital of Soochow University Suzhou China
| | - M. Yang
- Department of Dermatology The First Affiliated Hospital of Soochow University Suzhou China
| | - Z. Yang
- Department of Dermatology The First Affiliated Hospital of Soochow University Suzhou China
| | - Q. Qian
- Department of Dermatology The First Affiliated Hospital of Soochow University Suzhou China
| | - E. M. Burns
- Department of Dermatology University of Alabama at Birmingham Birmingham AL USA
| | - W. Min
- Department of Dermatology The First Affiliated Hospital of Soochow University Suzhou China
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28
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Lee E, Kim H, Ahn S, Lee W, Kim H, Chun S, Min W. Performance evaluation of a novel automated chemiluminescence immunoassay for the concentration of everolimus and sirolimus. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.1581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Lee W, Kim A, Kim H, An S, Hong Y, Lim S, Byeon J, Chun S, Min W. Identification of a novel splice site variant of APC gene in a patient with familial adenomatous polyposis. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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Kim WH, Lillehoj HS, Min W. Indole Treatment Alleviates Intestinal Tissue Damage Induced by Chicken Coccidiosis Through Activation of the Aryl Hydrocarbon Receptor. Front Immunol 2019; 10:560. [PMID: 30972060 PMCID: PMC6443889 DOI: 10.3389/fimmu.2019.00560] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [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: 08/13/2018] [Accepted: 03/04/2019] [Indexed: 12/13/2022] Open
Abstract
Indoles, as the ligands of aryl hydrocarbon receptor (AhR), have been shown to possess immune-modulating property in terms of the balancing between regulatory T cells (Treg) and T helper 17 cells (Th17) activities. In the present study, we examined the effects of dietary indoles, 3,3′-diindolylmethane (DIM) and indole-3-carbinol (I3C), on CD4+T cell population and functions in chickens. Furthermore, the effects of dietary DIM treatment on chicken coccidiosis caused by an apicomplexan parasite were investigated. Dietary treatment of healthy chickens with DIM and I3C induced increased CD4+CD25+ (Treg) cells and the mRNA expression of IL-10, while decreasing number of CD4+IL-17A+ (Th17) cells and Th17-related cytokines transcripts expression in the intestine. In addition, we explored the role of AhR in indole-treated splenic lymphocytes by using AhR antagonist and our results suggested that DIM is a ligand for chicken AhR. In chicken coccidiosis, treatment of DIM increased the ratio of Treg/Th17 cells and significantly reduced intestinal lesion although no significant changes in body weight and fecal oocyst production were noted compared to non-treated control group. These results indicate that DIM is likely to affect the ratios of Treg/Th17 reducing the level of local inflammatory response induced by Eimeria or facilitate repairing process of inflamed gut following Eimeria infection. The results described herein are thus consistent with the concept that AhR ligand modulates the T cell immunity through the alteration of Treg/Th17 cells with Treg dominance. To our knowledge, present study is the first scientific report showing the effects of dietary indole on T cell immunity in poultry species.
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Affiliation(s)
- Woo H Kim
- Animal Biosciences and Biotechnology Laboratory, U. S. Department of Agriculture, Beltsville Agricultural Research Center, ARS, Beltsville, MD, United States
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, U. S. Department of Agriculture, Beltsville Agricultural Research Center, ARS, Beltsville, MD, United States
| | - Wongi Min
- College of Veterinary Medicine and Institute of Animal Medicine, Gyeongsang National University, Jinju, South Korea
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31
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Huy TXN, Reyes AWB, Hop HT, Arayan LT, Son VH, Min W, Lee HJ, Kim S. Emodin Successfully Inhibited Invasion of Brucella abortus Via Modulting Adherence, Microtubule Dynamics and ERK Signaling Pathway in RAW 264.7 Cells. J Microbiol Biotechnol 2018; 28:1723-1729. [DOI: 10.4014/jmb.1804.04040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Reyes AWB, Hop HT, Arayan LT, Huy TXN, Min W, Lee HJ, Chang HH, Kim S. Tannic acid-mediated immune activation attenuates Brucella abortus infection in mice. J Vet Sci 2018; 19:51-57. [PMID: 28693306 PMCID: PMC5799400 DOI: 10.4142/jvs.2018.19.1.51] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 01/09/2017] [Revised: 03/17/2017] [Accepted: 05/05/2017] [Indexed: 01/27/2023] Open
Abstract
Brucellosis is an emerging infectious disease affecting humans and animals. In this study, we investigated the in vitro and in vivo effects of tannic acid (TA) against Brucella abortus infection. After infection, F-actin polymerization and mitogen-activated protein kinases (MAPKs) (ERK 1/2 and p38α) phosphorylation were reduced in TA-treated cells compared with that in control cells. The mice were infected via an intraperitoneal route and were orally given TA or phosphate-buffered saline for 14 days. Spleen weights of the TA-treated and control mice were not different; however, splenic proliferation of B. abortus was significantly reduced in the TA-treated group. Immune response analysis showed that, compared with the control group, non-infected TA-treated mice displayed increased levels of interferon-γ (IFN-γ), monocyte chemoattractant protein-1 (MCP-1), and interleukin-10 at 3 days post-infection and a further increase in IFN-γ and MCP-1 at 14 days post-infection. In contrast, compared with the control group, infected TA-treated mice displayed elevated levels of IFN-γ at 3 days post-infection, which continued to increase at 14 days post-infection, as was also observed for tumor necrosis factor. Taken together, the results showing TA activation of cytokine production and inhibition of bacterial proliferation in the host highlight a potential use of TA treatment in the control of Brucella infection.
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Affiliation(s)
- Alisha W B Reyes
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.,Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, Laguna 4031, Philippines
| | - Huynh T Hop
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Lauren T Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Tran X N Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - Hong Hee Chang
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.,Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
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Kim H, Hwang H, Lee J, Min W. Positive Impact of the immunologic microenvironmental changes in AML by blocking both CXCR4 and dual immune checkpoints. Cytotherapy 2018. [DOI: 10.1016/j.jcyt.2018.02.303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Afrin F, Fernandez CP, Flores RA, Kim WH, Jeong J, Chang HH, Kim S, Lillehoj HS, Min W. Downregulation of common cytokine receptor γ chain inhibits inflammatory responses in macrophages stimulated with Riemerella anatipestifer. Dev Comp Immunol 2018; 81:225-234. [PMID: 29241952 DOI: 10.1016/j.dci.2017.12.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/09/2017] [Accepted: 12/09/2017] [Indexed: 06/07/2023]
Abstract
Th17-cell-mediated inflammation is affected by the soluble form of common cytokine receptor γ chain (γc). We previously suggested that inflammatory cytokines including interleukin (IL)-17A are associated with Riemerella anatipestifer infection, which a harmful bacterial pathogen in ducks. Here, the expression profiles of membrane-associated γc (duγc-a) and soluble γc (duγc-b) in R. anatipestifer-stimulated splenic lymphocytes and macrophages, and in the spleens and livers of R. anatipestifer-infected ducks, were investigated. In vitro and in vivo results indicated that the expression levels of both forms of γc were increased, showing that marked increases were detected in the expression of the duγc-b form rather than the duγc-a form. Treatment with γc-specific siRNA downregulated mRNA expression of Th17-related cytokines, including IL-17A and IL-17F, in duck splenic macrophages stimulated with R. anatipestifer, whereas the expressions of interferon (IFN)-γ and IL-2 were enhanced. The results showed that the upregulation of γc, especially the duγc-b form, was associated with expression of Th17-related cytokines during R. anatipestifer infection.
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Affiliation(s)
- Fahmida Afrin
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Cherry P Fernandez
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Woo H Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea; Department of Animal Science, College of Agriculture, Gyeongsang National University, Jinju 52828, South Korea
| | - Jipseol Jeong
- Environmental Health Research Division, National Institute of Environmental Research, Incheon 22689, South Korea
| | - Hong H Chang
- Department of Animal Science, College of Agriculture, Gyeongsang National University, Jinju 52828, South Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea.
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Fernandez CP, Afrin F, Flores RA, Kim WH, Jeong J, Kim S, Lillehoj HS, Min W. Identification of duck IL-4 and its inhibitory effect on IL-17A expression in R. anatipestifer- stimulated splenic lymphocytes. Mol Immunol 2018; 95:20-29. [DOI: 10.1016/j.molimm.2018.01.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 12/29/2017] [Accepted: 01/19/2018] [Indexed: 12/13/2022]
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Hop HT, Arayan LT, Huy TXN, Reyes AWB, Baek EJ, Min W, Lee HJ, Rhee MH, Watanabe K, Chang HH, Kim S. Lipocalin 2 (Lcn2) interferes with iron uptake by Brucella abortus and dampens immunoregulation during infection of RAW 264.7 macrophages. Cell Microbiol 2017; 20. [PMID: 29168343 DOI: 10.1111/cmi.12813] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 11/14/2017] [Accepted: 11/17/2017] [Indexed: 01/19/2023]
Abstract
Lipocalin 2 (Lcn2) is an important innate immunity component against bacterial pathogens. In this study, we report that Lcn2 is induced by Brucella (B.) abortus infection and significantly contributes to the restriction of intracellular survival of Brucella in macrophages. We found that Lcn2 prevented iron uptake by B. abortus through two distinct mechanisms. First, Lcn2 is secreted to capture bacterial siderophore(s) and abrogate iron import by Brucella. Second, Lcn2 decreases the intracellular iron levels during Brucella infection, which probably deprives the invading Brucella of the iron source needed for growth. Suppression of Lcn2 signalling resulted in a marked induction of anti-inflammatory cytokine, interleukin 10, which was shown to play a major role in Lcn2-induced antibrucella immunity. Similarly, interleukin 6 was also found to be increased when Lcn2 signalling is abrogated; however, this induction was thought to be an alternative pathway that rescues the cell from infection when the effective Lnc2 pathway is repressed. Furthermore, Lcn2 deficiency also caused a marked decrease in brucellacidal effectors, such as reactive oxygen species and nitric oxide but not the phagolysosome fusion. Taken together, our results indicate that Lcn2 is required for the efficient restriction of intracellular B. abortus growth that is through limiting iron acquisition and shifting cells to pro-inflammatory brucellacidal activity in murine macrophages.
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Affiliation(s)
- Huynh Tan Hop
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | | | - Eun Jin Baek
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Man Hee Rhee
- College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Kenta Watanabe
- The United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| | - Hong Hee Chang
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, Republic of Korea
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Fernandez CP, Afrin F, Flores RA, Kim WH, Jeong J, Kim S, Chang HH, Lillehoj HS, Min W. Downregulation of inflammatory cytokines by berberine attenuates Riemerella anatipestifer infection in ducks. Dev Comp Immunol 2017; 77:121-127. [PMID: 28780326 DOI: 10.1016/j.dci.2017.07.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 07/31/2017] [Accepted: 07/31/2017] [Indexed: 06/07/2023]
Abstract
Riemerella anatipestifer, an important infectious bacterium affecting the duck industry, has 5-75% mortality, depending on strain virulence. We previously demonstrated that proinflammatory cytokines are involved in inflammation during, and regulating susceptibility to, R. anatipestifer infection. We investigated the effects of the anti-inflammatory compound berberine in duck splenic lymphocytes stimulated with killed R. anatipestifer, and in R. anatipestifer-infected ducks. IL-17A, IL-17F, and IL-1β transcripts were downregulated, and IFN-γ and IL-10 transcripts enhanced, in berberine-treated stimulated splenic lymphocytes, compared to stimulated untreated splenic lymphocytes. Similarly, IL-17A, IL-17F, IL-6, and IL-1β expressions were significantly reduced, and IFN-γ and IL-10 expressions significantly upregulated, in spleens and livers of R. anatipestifer-infected berberine-treated ducks, compared to infected untreated birds. Moreover, infected and treated birds showed increased survival rates and significantly decreased bacterial burdens compared to infected untreated birds, confirming that inflammatory cytokines are strongly associated with R. anatipestifer infection in ducks.
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Affiliation(s)
- Cherry P Fernandez
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Fahmida Afrin
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Woo H Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea; Animal Biosciences and Biotechnology Laboratory, BARC, ARS, USDA, Beltsville, MD 20705, USA
| | - Jipseol Jeong
- National Institute of Environmental Research, Environmental Research Complex, Incheon 22689, South Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea
| | - Hong H Chang
- Department of Animal Science, College of Agriculture, Gyeongsang National University, Jinju 52828, South Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, BARC, ARS, USDA, Beltsville, MD 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, South Korea.
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Arayan LT, Reyes AWB, Hop HT, Xuan HT, Baek EJ, Min W, Kim S. The Bactericidal Effect of High Temperature Is an Essential Resistance Mechanism of Chicken Macrophage against Brucella abortus Infection. J Microbiol Biotechnol 2017; 27:1837-1843. [DOI: 10.4014/jmb.1705.05061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Jeong J, Kim Y, An I, Wang SJ, Kim Y, Lee HJ, Choi KS, Im SP, Min W, Oem JK, Jheong W. Complete genome sequence of a novel avian paramyxovirus isolated from wild birds in South Korea. Arch Virol 2017; 163:223-227. [PMID: 29038866 PMCID: PMC5756290 DOI: 10.1007/s00705-017-3588-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 09/23/2017] [Indexed: 11/03/2022]
Abstract
A novel avian paramyxovirus (APMV), Cheonsu1510, was isolated from wild bird feces in South Korea and serologically and genetically characterized. In hemagglutination inhibition tests, antiserum against Cheonsu1510 showed low reactivity with other APMVs and vice versa. The complete genome of Cheonsu1510 comprised 15,408 nucleotides, contained six open reading frames (3'-N-P-M-F-HN-L-5'), and showed low sequence identity to other APMVs (< 63%) and a unique genomic composition. Phylogenetic analysis revealed that Cheonsu1510 was related to but distinct from APMV-1, -9, and -15. These results suggest that Cheonsu1510 represents a new APMV serotype, APMV-17.
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Affiliation(s)
- Jipseol Jeong
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea.
| | - Youngsik Kim
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea
| | - Injung An
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea
| | - Seung-Jun Wang
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea
| | - Yongkwan Kim
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea
| | - Hyun-Jeong Lee
- Avian Disease Research Division, Animal and Plant Quarantine Agency, 177 Hyeokshin 8-ro, Gimcheon, Republic of Korea
| | - Kang-Seuk Choi
- Avian Disease Research Division, Animal and Plant Quarantine Agency, 177 Hyeokshin 8-ro, Gimcheon, Republic of Korea
| | - Se-Pyeong Im
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Jae-Ku Oem
- Department of Veterinary Infectious Diseases, College of Veterinary Medicine, Chonbuk National University, Iksan, Republic of Korea
| | - Weonhwa Jheong
- Environmental Health Research Department, National Institute of Environmental Research, Hwangyeong-ro42, Seo-gu, Incheon, 22689, Republic of Korea
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Kim WH, Lillehoj HS, Lim Y, Min W, Sullivan YB, Kakach L, LaBresh JW. Development and characterization of mouse monoclonal antibodies reactive with chicken CXCLi2. Dev Comp Immunol 2017; 72:30-36. [PMID: 28223253 DOI: 10.1016/j.dci.2017.02.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/15/2017] [Accepted: 02/15/2017] [Indexed: 06/06/2023]
Abstract
Interleukin-8(IL-8)/CXCL8 is a CXC-family chemokine that attracts lymphocytes to sites of tissue damage and plays a role in the inflammatory response and wound healing. Chicken chemotactic and angiogenic factor was referred to as chCXCLi2 and has been studied as one of human CXCL8 homologue for more than 20 years. However, no monoclonal antibodies (mAbs) that specifically detect chCXCLi2 have been developed. Here, we developed and characterized mouse mAbs against chCXCLi2 to define its immunological properties. Two mouse mAbs against chCXCLi2 were generated and confirmed to display specific binding with not only recombinants, but endogenous chCXCLi2 by Western blot analysis, ELISA, and immunocytochemistry. Inhibition of chCXCLi2-induced chemotactic activity on peripheral blood lymphocytes, proliferation of chicken macrophage cells and expression of alpha smooth-muscle actin in chicken embryonic fibroblast cells by antibodies indicate that these antibodies are capable of blocking chCXCLi2 bioactivity. These chCXCLi2 mAbs will be useful reagents for future investigations of inflammation in poultry.
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Affiliation(s)
- Woo H Kim
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, ARS, U.S. Department of Agriculture, Beltsville, MD 20705, USA
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, ARS, U.S. Department of Agriculture, Beltsville, MD 20705, USA.
| | - Yeaseul Lim
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, ARS, U.S. Department of Agriculture, Beltsville, MD 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Research Institute of Life Science, Gyeongsang National University, Jinju 52828, South Korea
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Reyes AWB, Hong TG, Hop HT, Arayan LT, Huy TXN, Min W, Lee HJ, Lee KS, Kim S. The in vitro and in vivo protective effects of tannin derivatives against Salmonella enterica serovar Typhimurium infection. Microb Pathog 2017; 109:86-93. [PMID: 28552635 DOI: 10.1016/j.micpath.2017.05.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [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: 04/28/2017] [Revised: 05/22/2017] [Accepted: 05/23/2017] [Indexed: 11/30/2022]
Abstract
In this study, we investigated the protective effects of tannin-derived components, gallic acid (GA) and tannic acid (TA), in vitro and in vivo against Salmonella infection in mice. Both GA and TA showed antibacterial effects against Salmonella (S.) Typhimurium as well as inhibitory effects on the adherence, invasion, and intracellular growth of the pathogens in macrophages. Following a lethal dose of Salmonella infection in mice, reduced virulence in both GA- and TA-treated groups was observed based on reduced mortality rates. In the non-infected groups, the average weights of the spleens and livers of GA- or TA-treated mice were not significantly different with the control group. In addition, the average weights of these organs in all of the Salmonella-infected groups were not significantly different but the numbers of bacteria in the spleens and livers in both GA- and TA-treated mice were significantly reduced. The levels of cytokine production in non-infected mice revealed that GA-treated and TA-treated mice elicited an increased level of IFN-γ, and both IFN-γ and MCP-1, respectively, as compared with the PBS-treated group. These findings highlight the potential of GA and TA as alternatives for the treatment of salmonellosis and as supplements to conventional antimicrobial food additives.
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Affiliation(s)
- Alisha Wehdnesday Bernardo Reyes
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Baños, College, Laguna, 4031, Philippines
| | - Tae Gyu Hong
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Huynh Tan Hop
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Kang Seok Lee
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Kim W, Lillehoj HS, Min W. Immunomodulation by chicken NK-lysin-derived peptide, cNK-2 on chicken macrophages and monocytes. The Journal of Immunology 2017. [DOI: 10.4049/jimmunol.198.supp.226.1] [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: 01/03/2023]
Abstract
Abstract
Chicken NK-lysin (cNK-lysin) is a homologue of human granulysin. Human granulysin is found in the cytolytic granules located in human natural killer and cytotoxic T lymphocytes. We previously demonstrated that cNK-lysin and cNK-2, a synthetic peptide incorporating the core α-helical region of cNK-lysin, have antimicrobial activity against apicomplexan parasites such as Eimeria spp., via membrane disruption. Besides of antimicrobial activity of AMPs, the immunomodulatory activity of AMPs mediated by their interactions with host cells is increasingly recognized. Thus, in this study, we investigated whether cNK-2 modulates the immune response in the chicken macrophages and monocytes by evaluating the induction of chemokines, anti-inflammatory properties, and activation of signalling pathways. cNK-2 induced the expression of CCL4, CCL5 and interleukin-1β (IL-1β) in HD11 cells, chicken macrophage cell line, and CCL4 and CCL5 in primary monocytes. We also determined that cNK-2 suppresses the lipopolysaccharide-induced inflammatory response by abrogating IL-1β expression. The immunomodulatory activity of cNK-2 involves the mitogen-activated protein kinases-mediated signalling pathway, including p38, extracellular signal-regulated kinase 1/2 and c-Jun N-terminal kinases, as well as the internalization of cNK-2 into the cells. These results indicate that cNK-2 is a potential novel immunomodulating agent rather than an antimicrobial agent.
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Simborio HLT, Reyes AWB, Hop HT, Arayan LT, Min W, Lee HJ, Lee JJ, Chang HH, Kim S. Immune Modulation of Recombinant OmpA against Brucella abortus 544 Infection in Mice. J Microbiol Biotechnol 2016; 26:603-9. [PMID: 26699748 DOI: 10.4014/jmb.1509.09061] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Brucellosis affects a wide range of host species, including humans and many livestock animals. Chronic infections of the disease make antibiotic treatment costly, and the current vaccine used in livestock has not been approved for human use. This study investigated the possible use of the Brucella abortus outer membrane protein A (OmpA) as a candidate subunit vaccine in an infected mouse model. The ompA gene was cloned and overexpressed, and the recombinant OmpA (rOmpA) protein fused to maltose binding protein (MBP) was purified in Escherichia coli. Immunogenicity was verified through western blotting, and mice were immunized and challenged to evaluate its protective effect. Mice treated with rOmpA exhibited induced humoral and host cell-mediated responses, with a significant increase in immunoglobulin G (IgG1 and IgG2a) and cytokine levels, especially TNF-α and IL-12, compared with the control groups treated with either MBP or PBS. In conclusion, rOmpA should be highly considered as a future subunit vaccine for brucellosis, and further studies regarding rOmpA and its protective ability are suggested.
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Affiliation(s)
- Hannah Leah Tadeja Simborio
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | | | - Huynh Tan Hop
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jin Ju Lee
- Animal and Plant Quarantine Agency, Anyang 14089, Republic of Korea
| | - Hong Hee Chang
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea.,Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea
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Fernandez CP, Kim WH, Diaz JAR, Jeong J, Afrin F, Kim S, Jang HK, Lee BH, Yim D, Lillehoj HS, Min W. Upregulation of duck interleukin-17A during Riemerella anatipestifer infection. Dev Comp Immunol 2016; 63:36-46. [PMID: 27212414 DOI: 10.1016/j.dci.2016.05.009] [Citation(s) in RCA: 8] [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] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 05/16/2016] [Accepted: 05/16/2016] [Indexed: 06/05/2023]
Abstract
Although IL-17 cytokines play critical roles in host defense immunity, dysregulated expression of these cytokines is associated with inflammation and autoimmune diseases. Riemerella anatipestifer is the most important infectious bacterium in the duck industry. Interestingly, not all avian species are equally susceptible to R. anatipestifer infection. This paper reports the first description of mortality rate, bacterial burden, and expression profiles of immune-related genes between ducks and chickens infected with R. anatipestifer. Ducks exhibited increased susceptibility to R. anatipestifer infection compared to chickens, as determined by mortality rate and bacterial burden. Comparative expression analyses of immune-related genes in R. anatipestifer-infected tissues obtained from both species revealed that TLR3, TLR7, IL-2, IL-4, and IFN-γ transcript levels were higher in chickens, whereas TLR4 and IL-17A transcript levels were higher in ducks. Marked increases in expression of IL-17A and IL-6, but not TGF-β, were associated with Th17 cell differentiation in duck splenic lymphocytes, but not in chicken splenic lymphocytes, stimulated with R. anatipestifer. Moreover, upregulation of IL-1β, IL-6, and IL-17A mRNA expressions, but not TGF-β, was confirmed in the liver and spleen of ducks infected with R. anatipestifer, indicating that IL-17A is strongly associated with Riemerella infection in ducks.
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Affiliation(s)
- Cherry P Fernandez
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Woo H Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Joyce Anne R Diaz
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Jipseol Jeong
- Environmental Health Research Division, National Institute of Environmental Research, Incheon, 22689, Republic of Korea
| | - Fahmida Afrin
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyung-Kwan Jang
- Departments of Infectious Diseases and Avian Diseases, College of Veterinary Medicine & Korea Zoonosis Research Institute, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Byung-Hyung Lee
- Daesung Microbiological Laboratory, Samdong, Uiwangsi, Gyeonggido, 16103, Republic of Korea
| | - Dongjean Yim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Diaz JAR, Kim WH, Fernandez CP, Jeong J, Afrin F, Lillehoj HS, Kim S, Kim S, Dalloul RA, Min W. Identification and expression analysis of duck interleukin-17D in Riemerella anatipestifer infection. Dev Comp Immunol 2016; 61:190-197. [PMID: 27060655 DOI: 10.1016/j.dci.2016.04.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 04/04/2016] [Accepted: 04/04/2016] [Indexed: 06/05/2023]
Abstract
Interleukin (IL)-17D is a proinflammatory cytokine with currently largely unknown biological functions. Here we provide the description of the sequence, bioactivity, and mRNA expression profile of duck IL-17D homologue. A full-length duck IL-17D (duIL-17D) cDNA with a 624-bp coding region was identified from the large intestine. duIL-17D shares approximately 94.7% identity with its chicken counterpart, which is also identified in this work. duIL-17D exhibits 62.6-68.4% and 52.1-53.1% identity with mammalian and piscine homologues. Recombinant duIL-17D promoted the expression of proinflammatory cytokines such as IL-6, IL-8, and IL-1β in duck embryo fibroblast cells. Very low levels of duIL-17D transcript were observed in healthy lymphoid tissues, including bursa, thymus, and spleen, while duIL-17D expression was relatively high in the heart. The duIL-17D expression profiles were examined in mitogen-stimulated splenic lymphocytes, as well as tissues affected by Riemerella anatipestifer infection. The levels of duIL-17D were mostly upregulated in mitogen-activated splenic lymphocytes but downregulated in the liver and spleen of R. anatipestifer-infected ducks. These results provide new insights into the roles of IL-17D in host protective immune responses to Riemerella infection, which can therefore lead to further studies of its biological functions in different disease models of ducks and other avian species.
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Affiliation(s)
- Joyce Anne R Diaz
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Woo H Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Cherry P Fernandez
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Jipseol Jeong
- Environmental Health Research Division, National Institute of Environmental Research, Incheon, 22689, Republic of Korea
| | - Fahmida Afrin
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Sungwon Kim
- Avian Immunobiology Laboratory, Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Rami A Dalloul
- Avian Immunobiology Laboratory, Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Kim W, Lillehoj HS, Jeong M, Min W, Sullivan YB, Kakach L, LaBresh JW. Development and characterization of monoclonal antibodies specific for chicken IL-8. The Journal of Immunology 2016. [DOI: 10.4049/jimmunol.196.supp.216.7] [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: 01/03/2023]
Abstract
Abstract
Interleukin-8/CXCL8 (IL-8) is a CXC-family chemokine produced by fibroblasts and other cell types, including epithelial cells, endothelial cells, neutrophils, and macrophages. Given that IL-8 attracts lymphocytes to sites of tissue damage, it plays a role in the inflammatory response and wound healing. Chicken chemotactic and angiogenic factor, encoded by the 9E3/CEF4 gene, was identified and has been studied as a human IL-8 homologue for over than 20 years. However, detecting and quantifying of bioactive chemokine/cytokine in avian species is limited by the lack of specific antibodies and reliable bioassays although the use of mAbs has become routine in the mammalian research and diagnosis. Thus, we develop and characterize mouse mAbs against chIL-8 to further define its immunological and biological properties. Two mouse mAbs against chIL-8 were generated using recombinant chIL-8 protein produced in Escherichia coli. These were confirmed to display specific binding with not only recombinants, but also native chIL-8 by Western blot analysis, enzyme-linked immunosorbent assay, and immunocytochemistry. Inhibition of IL-8-induced chemotaxis of peripheral blood lymphocytes, proliferation of chicken macrophage cells and expression of alpha smooth-muscle actin in chicken embryonic fibroblast cells by both antibodies indicate that both antibodies are capable of blocking chIL-8 bioactivity and will be useful reagents for future investigations of inflammation in poultry.
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Affiliation(s)
| | | | | | - Wongi Min
- 2Gyeongsang Natl. Univ., South Korea
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Kim W, Lillehoj HS, Fernandez CP, Min W. Comparative analysis of expression profiles of cytokines in Riemerella anatipestifer infection in ducks and chickens highlights the role of IL-17A in bacterial susceptibility. The Journal of Immunology 2016. [DOI: 10.4049/jimmunol.196.supp.216.6] [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: 01/02/2023]
Abstract
Abstract
Riemerella anatipestifer (R. anatipestifer) cause severe infection in ducks at up to 75% mortality, but corresponding infection in chickens is comparatively mild. In order to understand differences in susceptibility, both species infected with R. anatipestifer, then analyzed mortality, bacterial burden and expression profiles of cytokines in infected birds. As expected, ducks exhibited increased susceptibility to R. anatipestifer infection compared to chickens, as determined by mortality rate and bacterial burden. Interestingly, comparative expression analysis of immune- related genes in R. anatipestifer-infected tissues and -stimulated splenic lymphocytes obtained from both species revealed that IL-17A is strongly associated with Riemerella infection in only ducks. Moreover, marked expression of IL-6 which is associated with Th17 cell differentiation, but not TGF-β, was identified in infected tissues from ducks, but not those from chickens. Furthermore, treatment with 3,3′-diindolylmethane (DIM) and berberine (BBR) in ducks ameliorated the detrimental effects of R. anatipestifer infection, as determined by decreases in mortality rate and bacterial burden, as well as downregulation of IL-17A and IL-6 mRNA expression. Taken together, these results suggest that upregulation of IL-17A influenced susceptibility to R. anatipestifer infection and that anti-IL-17A agents could prove to be promising therapies for alleviating Riemerella infection.
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Affiliation(s)
| | | | | | - Wongi Min
- 2Gyeongsang Natl. Univ., South Korea
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Jung MS, Lee SJ, Song Y, Jang SH, Min W, Won CK, Kim HD, Kim TH, Cho JH. Rubus crataegifolius Bunge regulates adipogenesis through Akt and inhibits high-fat diet-induced obesity in rats. Nutr Metab (Lond) 2016; 13:29. [PMID: 27123039 PMCID: PMC4847245 DOI: 10.1186/s12986-016-0091-0] [Citation(s) in RCA: 4] [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: 01/09/2016] [Accepted: 04/19/2016] [Indexed: 01/09/2023] Open
Abstract
Background Obesity is one of the greatest public health problems and major risk factors for serious metabolic diseases and significantly increases the risk of premature death. The aim of this study was to determine the inhibitory effects of Rubus crataegifolius Bunge (RCB) on adipocyte differentiation in 3 T3-L1 cells and its anti-obesity properties in high fat diet (HFD)-induced obese rats. Methods 3 T3-L1 adipocytes and HFD-induced obese rats were treated with RCB, and its effect on gene expression was analyzed using RT-PCR and Western blotting experiments. Results RCB treatment significantly inhibited adipocyte differentiation by suppressing the expression of C/EBPβ, C/EBPα, and PPARγ in the 3 T3-L1 adipocytes. Subsequently, the expression of the PPARγ target genes aP2 and fatty acid synthase (FAS) decreased following RCB treatment during adipocyte differentiation. In uncovering the specific mechanism that mediates the effects of RCB, we demonstrated that the insulin-stimulated phosphorylation of Akt strongly decreased and that its downstream substrate phospho-GSK3β was downregulated following RCB treatment in the 3 T3-L1 adipocytes. Moreover, LY294002, an inhibitor of Akt phosphorylation, exerted stronger inhibitory effects on RCB-mediated suppression of adipocyte differentiation, leading to the inhibition of adipocyte differentiation through the downregulation of Akt signaling. An HFD-induced obesity rat model was used to determine the inhibitory effects of RCB on obesity. Body weight gain and fat accumulation in adipose tissue were significantly reduced by the supplementation of RCB. Moreover, RCB treatment caused a significant decrease in adipocyte size, associated with a decrease in epididymal fat weight. The serum total cholesterol (TC) and triglyceride (TG) levels decreased in response to RCB treatment, whereas HDL cholesterol (HDL-C) increased, indicating that RCB attenuated lipid accumulation in adipose tissue in HFD-induced obese rats. Conclusion Our results demonstrate an inhibitory effect of RCB on adipogenesis through the reduction of the adipogenic factors PPARγ, C/EBPα, and phospho-Akt. RCB had a potent anti-obesity effect, reducing body weight gain in HFD-induced obese rats. Electronic supplementary material The online version of this article (doi:10.1186/s12986-016-0091-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Min-Sup Jung
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea
| | - Soo-Jung Lee
- Department of Foods and Nutrition, Gyeongsang National University, Jinju, 660-701 Korea
| | - Yuno Song
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea
| | - Sun-Hee Jang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea
| | - Chung-Kil Won
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea
| | - Hong-Duck Kim
- Department of Environmental Health Science, New York Medical College, Valhalla, NY 10595 USA
| | - Tae Hoon Kim
- Department of Food Science and Biotechnology, Daegu University, Gyeongsan, 38453 Korea
| | - Jae-Hyeon Cho
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701 Korea.,College of Veterinary Medicine, Gyeongsang National University, Jiju Daero 501, Jinju-city, Gyeongsangnamdo 660-701 Korea
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Lee JJ, Simborio HL, Reyes AWB, Hop HT, Arayan LT, Lee HJ, Min W, Her M, Rhee MH, Watarai M, Chang HH, Kim S. Influence of platelet-activating factor receptor (PAFR) on Brucella abortus infection: implications for manipulating the phagocytic strategy of B. abortus. BMC Microbiol 2016; 16:70. [PMID: 27098179 PMCID: PMC4839150 DOI: 10.1186/s12866-016-0685-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [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: 07/02/2015] [Accepted: 04/07/2016] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Brucella abortus is an intracellular pathogen which can infect and persist in host cells through multiple interactions. Above all, its interaction to host cell receptor is important to understand the pathogenic mechanisms of B. abortus. Accordingly, we demonstrated that platelet-activating factor receptor (PAFR) affects host cell response against B. abortus infection. RESULTS First of all, B. abortus infection to macrophage induces secretion of platelet-activating factor (PAF), which is a PAFR agonist. The stimulation of PAFR by PAF remarkably increases B. abortus uptake into macrophages. It induces Janus kinase 2 (JAK2) and p38α phosphorylation, indicating that PAFR-mediated activation of JAK2 signaling leads to enhanced uptake of B. abortus. Moreover, the dynamics of F-actin polymerization revealed that PAFR-mediated B. abortus uptake is related with the reorganization of F-actin and JAK2. Upon B. abortus phagocytosis, reduced PAFR in the membrane and subsequently increased levels of PAFR colocalization with endosomes were observed which indicate that B. abortus uptake into macrophages allowed PAFR trafficking to endosomes. CONCLUSIONS This study demonstrated that PAFR has a compelling involvement in B. abortus uptake as a promoter of phagocytosis, which is associated with JAK2 activation. Thus, our findings establish a novel insight into a receptor-related phagocytic mechanism of B. abortus.
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Affiliation(s)
- Jin Ju Lee
- Animal and Plant Quarantine Agency, Anyang, Gyeonggi-do, 430-757, Republic of Korea
| | - Hannah Leah Simborio
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | | | - Huynh Tan Hop
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | - Lauren Togonon Arayan
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | - Moon Her
- Animal and Plant Quarantine Agency, Anyang, Gyeonggi-do, 430-757, Republic of Korea
| | - Man Hee Rhee
- College of Veterinary Medicine, Kyungpook National University, Daegu, 702-701, Republic of Korea
| | - Masahisa Watarai
- Department of Veterinary Public Health, Faculty of Agriculture, Yamaguchi University, Yamaguchi, 753-8515, Japan
| | - Hong Hee Chang
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, 660-701, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660-701, Republic of Korea. .,Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, 660-701, Republic of Korea.
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50
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Reyes A, Kim D, Simborio H, Hop H, Arayan L, Min W, Lee J, Chang H, Kim S. Methyl gallate limits infection in mice challenged with Brucella abortus
while enhancing the inflammatory response. J Appl Microbiol 2016; 120:552-9. [DOI: 10.1111/jam.13019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 10/15/2015] [Accepted: 10/30/2015] [Indexed: 12/13/2022]
Affiliation(s)
- A.W.B. Reyes
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
- Department of Veterinary Paraclinical Sciences; College of Veterinary Medicine; University of the Philippines Los Baños; Laguna Philippines
| | - D.G. Kim
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
| | - H.L.T. Simborio
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
| | - H.T. Hop
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
| | - L.T. Arayan
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
| | - W. Min
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
| | - J.J. Lee
- Animal and Plant Quarantine Agency; Anyang Gyeonggi-do Korea
| | - H.H. Chang
- Institute of Agriculture and Life Science; Gyeongsang National University; Jinju Korea
| | - S. Kim
- Institute of Animal Medicine; College of Veterinary Medicine; Gyeongsang National University; Jinju Korea
- Institute of Agriculture and Life Science; Gyeongsang National University; Jinju Korea
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