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Cai Q, Li Y, Chang YF, Tang Z, Zhang H, Xie Q. Pasteurella multocida causes liver injury in ducks by mediating inflammatory, apoptotic and autophagic pathways. Microb Pathog 2023; 184:106336. [PMID: 37683832 DOI: 10.1016/j.micpath.2023.106336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/16/2023] [Accepted: 09/04/2023] [Indexed: 09/10/2023]
Abstract
Pasteurella multocida.(PM) infection is a major cause of avian cholera, but the pathogenesis of the disease is unknown. The purpose of this study was to further understand the host response to infection by using a duck model of PM, 20 female ducks were divided into two groups (n = 10). One group was infected with PM, while the other served as an uninfected control group. The ducks were observed after infection and samples were collected for testing. In this study, we report the mechanism of PM-induced inflammation to further mediate apoptosis and autophagic signaling pathways in liver cells. Our results demonstrated that PM infection initially induces hemorrhagic and necrotic lesions in the liver tissue of duck, promoting inflammasome assembly and release, triggering inflammation. The TLR4/NF-κB axis activated and interacted with multiple inflammation-related proteins, including TNF-α and IL-1β, which affected apoptosis and autophagy. Tumor necrosis factor induced hepatocyte apoptosis was implicated in a wide range of liver diseases; the release of TNF-α and activation with NF-κB further incite apoptotic pathways,such as Bax/BCL2/caspase to promote apoptotic genes APAF1, Bax, Caspase3, BCL-2, p53, and Cytc expression. Finally, PM-induced autophagy suppressed liver injury by promoting the Beclin-1, LC3B, p62, and mTOR. Thus, liver injury caused by PM via promoting autophagy was induced. In conclusion, we analyzed the liver injury of ducks infected with PM, and confirmed that inflammation appeared in the liver; this was followed by the intricate interplay between inflammation, apoptosis, and autophagy signaling pathways. The observed results provided a reference basis for studying pathogenic mechanisms of PM-host interactions.
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Affiliation(s)
- Qiuxiang Cai
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Yajuan Li
- College of Animal Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Yung-Fu Chang
- College of Veterinary Medicine, Cornell University, Ithaca, NY, USA.
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
| | - Qingmei Xie
- College of Animal Sciences, South China Agricultural University, Guangzhou, 510642, China
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Skehel A, Ulloa C, Deresienski D, Regalado C, Muñoz-Pérez JP, Garcia JA, Hardesty BD, Passingham RK, Castañeda JS, Lewbart GA, Valle CA. Health status of the red-billed tropicbird ( Phaethon aethereus) determined by hematology, biochemistry, blood gases, and physical examination. PeerJ 2023; 11:e15713. [PMID: 37576513 PMCID: PMC10414024 DOI: 10.7717/peerj.15713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 06/15/2023] [Indexed: 08/15/2023] Open
Abstract
The red-billed tropicbird, Phaethon aethereus, is a species of seabird native to the Galápagos archipelago, and widely distributed across the neotropics. General health, blood chemistry, and haematology parameters have not been published for this species. Blood analyses were performed on samples drawn from 51 clinically healthy red-billed tropicbirds captured from their burrows at Islote Pitt on San Cristóbal Island in July, 2016 (21) and Daphne Major Island in June, 2017 (30). In the field, a point of care blood analyser (iSTAT) was used to obtain results for HCO3-, pH, pCO2, pO2, TCO2, iCa, Na, K, Cl, Hb, HCT, anion gap, creatinine, glucose and urea nitrogen. Additionally, a portable Lactate PlusTM analyser was used to measure blood lactate, and blood smears were also created in situ. The blood slides were used to estimate leukocyte counts and 100-cell differentials. Alongside these biochemistry and haematology parameters, average heart rate, respiratory rate, body temperature and scaled mass index (calculated from weight and a body measurement) were compared to determine the standard measurements for a healthy individual. The baseline data, and reference intervals reported in this paper are essential to detecting changes in the health of red-billed tropicbirds in the future.
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Affiliation(s)
- Alice Skehel
- Faculty of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Catalina Ulloa
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Diane Deresienski
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
- Colegio de Ciencias de la Salud, Medicina Veterinaria, Campus Cumbayá, Universidad San Francisco de Quito, Quito, Quito, Ecuador
| | - Cristina Regalado
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Juan Pablo Muñoz-Pérez
- Faculty of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Juan Augusto Garcia
- Terrestrial Ecology, Parque Nacional Galápagos Directorate, Puerto Baquerizo Moreno, Galápagos, Ecuador
| | - Britta Denise Hardesty
- CSIRO Environment, Canbera, Australia
- Center for Marine Sociology, University of Tasmania, Hobart, Tasmania, Australia
| | - Ronald K. Passingham
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
| | - Jason Steve Castañeda
- Terrestrial Ecology, Parque Nacional Galápagos Directorate, Puerto Baquerizo Moreno, Galápagos, Ecuador
| | - Gregory A. Lewbart
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
| | - Carlos A. Valle
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
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REFERENCE VALUES AND COMPARISON OF BLOOD CHEMISTRY AND PLASMA PROTEIN VALUES BETWEEN GOLD STANDARD ANALYZERS AND FOUR POINT-OF-CARE DEVICES IN FREE-RANGING CANVASBACKS ( AYTHYA VALISINERIA). J Zoo Wildl Med 2022; 53:302-318. [PMID: 35758572 DOI: 10.1638/2021-0035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2021] [Indexed: 11/21/2022] Open
Abstract
Accurate, timely, and cost-effective blood chemistry analysis is an essential tool for directing emergency treatment, monitoring the health status of captive and free-ranging individuals and flocks, and improving the efficacy of conservation actions. Blood samples were obtained from 52 canvasbacks (Aythya valisineria) that were captured on San Francisco Bay, California, during December 2017 as part of a long-term study. Reference values and clinical agreement were determined for blood chemistry and plasma protein parameters among four commonly used point-of-care devices (VetScan® VS2, i-STAT®, AlphaTRAK®2 glucometer, refractometer) and two gold standard laboratory analyzers (Roche cobas® c501, Helena SPIFE 3000 system). Canvasback reference values were generally within expected ranges for Anatidae species with the exception of higher upper limits for sodium and chloride. Creatine kinase and aspartate transaminase values exceeded a published threshold for diagnosis of capture myopathy even though study birds were captured using low-stress techniques and successfully released. With the exception of higher alkaline phosphatase in hatch-year canvasbacks, no age or sex differences were observed for any analyte in this population that was captured during a nonbreeding period. Analysis of analyzer agreement found raw VetScan aspartate transaminase, calcium, glucose, and uric acid values; corrected VetScan albumin, potassium, sodium, and total protein values; raw i-STAT glucose and potassium values; and corrected i-STAT sodium and chloride values were clinically interchangeable with Roche cobas values. Raw VetScan and i-STAT glucose values were also interchangeable. However, none of the Roche or point-of-care analyzer plasma protein values were in clinical agreement with gold standard electrophoresis values. The findings of this study highlight the need for analyzer- or technique-specific reference values and provide biologists and veterinarians quantitative reference values using currently available analyzers to better assess and respond to the health of individuals and populations.
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Yaw TJ, Gentry J, Ratliff C, Acierno M, Schmalz S, Russell KE, Heatley JJ. Venous Blood Analytes and Osmolality of Rehabilitated Juvenile Black-bellied Whistling Ducks ( Dendrocygna autumnalis). J Avian Med Surg 2020; 33:123-132. [PMID: 31251499 DOI: 10.1647/2016-194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Venous blood samples were collected from 129 apparently healthy, rehabilitated juvenile black-bellied whistling ducks (Dendrocygna autumnalis) immediately before release from rehabilitation. Blood gas, electrolyte, and select biochemical and hematologic values were analyzed by using a point-of-care analyzer, and complete blood cell counts and osmolality were determined. Most biochemical analyte values were distributed parametrically, while most hematologic values were nonparametrically distributed. Calculated osmolality values were in poor agreement with measured osmolality values, and values of packed cell volume had poor agreement with hematocrit values determined with the i-STAT 1. The physiologic values reported provide vital information to assess individual duck health and guide fluid therapy in captivity and may prove useful to assess free-living population health of this duck species.
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Affiliation(s)
- Taylor J Yaw
- Departments of Veterinary Clinical Sciences, Texas A&M College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77834-4474, USA
| | - Jordan Gentry
- Departments of Veterinary Clinical Sciences, Texas A&M College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77834-4474, USA
| | - Cameron Ratliff
- Departments of Veterinary Clinical Sciences, Texas A&M College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77834-4474, USA
| | - Mark Acierno
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Baton Rouge, LA 70803, USA
| | | | - Karen E Russell
- Veterinary Pathobiology, Texas A&M College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77834-4474, USA
| | - J Jill Heatley
- Departments of Veterinary Clinical Sciences, Texas A&M College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77834-4474, USA
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Valle CA, Ulloa C, Deresienski D, Regalado C, Muñoz-Pérez JP, Garcia J, Hardesty BD, Skehel A, Lewbart GA. Health Status of Great Frigatebirds ( Fregata minor) Determined by Haematology, Biochemistry, Blood Gases, and Physical Examination. CONSERVATION PHYSIOLOGY 2018; 6:coy034. [PMID: 30026947 PMCID: PMC6044400 DOI: 10.1093/conphys/coy034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 06/03/2018] [Accepted: 06/27/2018] [Indexed: 06/08/2023]
Abstract
The great frigatebird, Fregata minor, is a widely distributed seabird native to the Galápagos archipelago. Haematology and blood chemistry parameters have been published for this species but not from the San Cristóbal and North Seymour great frigatebird breeding colonies. Analyses were run on blood samples drawn from 25 great frigatebirds captured by hand at their nests at Punta Pitt on San Cristóbal Island and 30 birds on North Seymour Island, Galápagos Islands. A portable blood analyser (iSTAT) was used to obtain near immediate field results for pH, pO2, pCO2, TCO2, HCO3- , haematocrit (Hct), haemoglobin (Hb), sodium (Na), potassium (K), chloride (Cl), ionized calcium (iCa), creatinine, urea nitrogen, anion gap and glucose. Blood lactate was measured using a portable Lactate Plus™ analyser. Average heart rate, respiratory rate, body weight, body temperature, biochemistry and haematology parameters were comparable to healthy individuals of other Fregatidae. The reported results provide baseline data that can be used for comparisons among populations and in detecting changes in health status among Galápagos great frigatebirds.
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Affiliation(s)
- Carlos A Valle
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales, Extensión Galápagos, Galápagos Casilla Postal 17-1200-841, Quito, Ecuador
- Galapagos Science Center, Universidad San Francisco de Quito (USFQ) & The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Galápagos, Ecuador
| | - Catalina Ulloa
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales, Extensión Galápagos, Galápagos Casilla Postal 17-1200-841, Quito, Ecuador
- Galapagos Science Center, Universidad San Francisco de Quito (USFQ) & The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Galápagos, Ecuador
| | - Diane Deresienski
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University,1060 William Moore Drive, Raleigh, NC, USA
| | - Cristina Regalado
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales, Extensión Galápagos, Galápagos Casilla Postal 17-1200-841, Quito, Ecuador
| | - Juan-Pablo Muñoz-Pérez
- Galapagos Science Center, Universidad San Francisco de Quito (USFQ) & The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Galápagos, Ecuador
| | - Juan Garcia
- Dirección Parque Nacional Galápagos, Unidad Técnica Operativa San Cristóbal, Galápagos, Ecuador
| | - Britta Denise Hardesty
- Commonwealth Scientific and Industrial Research Organization, Hobart, Tasmania, Australia
| | - Alice Skehel
- Galapagos Science Center, Universidad San Francisco de Quito (USFQ) & The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Galápagos, Ecuador
| | - Gregory A Lewbart
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales, Extensión Galápagos, Galápagos Casilla Postal 17-1200-841, Quito, Ecuador
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University,1060 William Moore Drive, Raleigh, NC, USA
- Galapagos Science Center, Universidad San Francisco de Quito (USFQ) & The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Galápagos, Ecuador
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