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Zhao H, Li L, Tan J, Wang Y, Zhang A, Zhao Y, Jiang L. Multi-Omics Reveals Disrupted Immunometabolic Homeostasis and Oxidative Stress in Adipose Tissue of Dairy Cows with Subclinical Ketosis: A Sphingolipid-Centric Perspective. Antioxidants (Basel) 2024; 13:614. [PMID: 38790719 PMCID: PMC11118941 DOI: 10.3390/antiox13050614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 05/07/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
Ketosis, especially its subclinical form, is frequently observed in high-yielding dairy cows and is linked to various diseases during the transition period. Although adipose tissue plays a significant role in the development of metabolic disorders, its exact impact on the emergence of subclinical ketosis (SCK) is still poorly understood. The objectives of this study were to characterize and compare the profiling of transcriptome and lipidome of blood and adipose tissue between SCK and healthy cows and investigate the potential correlation between metabolic disorders and lipid metabolism. We obtained blood and adipose tissue samples from healthy cows (CON, n = 8, β-hydroxybutyric acid concentration < 1.2 mmol/L) and subclinical ketotic cows (SCK, n = 8, β-hydroxybutyric acid concentration = 1.2-3.0 mmol/L) for analyzing biochemical parameters, transcriptome, and lipidome. We found that serum levels of nonesterified fatty acids, malonaldehyde, serum amyloid A protein, IL-1β, and IL-6 were higher in SCK cows than in CON cows. Levels of adiponectin and total antioxidant capacity were higher in serum and adipose tissue from SCK cows than in CON cows. The top enriched pathways in whole blood and adipose tissue were associated with immune and inflammatory responses and sphingolipid metabolism, respectively. The accumulation of ceramide and sphingomyelin in adipose tissue was paralleled by an increase in genes related to ceramide biosynthesis, lipolysis, and inflammation and a decrease in genes related to ceramide catabolism, lipogenesis, adiponectin production, and antioxidant enzyme systems. Increased ceramide concentrations in blood and adipose tissue correlated with reduced insulin sensitivity. The current results indicate that the lipid profile of blood and adipose tissue is altered with SCK and that certain ceramide species correlate with metabolic health. Our research suggests that disruptions in ceramide metabolism could be crucial in the progression of SCK, exacerbating conditions such as insulin resistance, increased lipolysis, inflammation, and oxidative stress, providing a potential biomarker of SCK and a novel target for nutritional manipulation and pharmacological therapy.
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Affiliation(s)
| | | | | | | | | | - Yuchao Zhao
- Beijing Key Laboratory of Dairy Cow Nutrition, College of Animal Science and Technology, Beijing University of Agriculture, Beijing 102206, China; (H.Z.); (L.L.); (J.T.); (Y.W.); (A.Z.)
| | - Linshu Jiang
- Beijing Key Laboratory of Dairy Cow Nutrition, College of Animal Science and Technology, Beijing University of Agriculture, Beijing 102206, China; (H.Z.); (L.L.); (J.T.); (Y.W.); (A.Z.)
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Barbosa JMG, Cunha ALRR, David LC, Camelo ÍN, Martins NM, Galvão FS, Mendonça DR, Venâncio MT, Cunha RDS, Filho ARC, Veloso IM, Fernandes JJR, Jorge da Cunha PH, Antoniosi Filho NR. A veterinary cerumenomic assay for bovine laminitis identification. Vet Res Commun 2024; 48:1003-1013. [PMID: 38051450 DOI: 10.1007/s11259-023-10271-2] [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: 07/03/2023] [Accepted: 11/25/2023] [Indexed: 12/07/2023]
Abstract
Bovine laminitis disorder results in animal welfare and economic concerns in dairy and beef farms worldwide. However, the affected metabolic pathways, pathophysiologic characteristics, and inflammatory mechanisms remain unclear, hampering the development of new diagnostics. Using cerumen (earwax) as a source of volatile metabolites (cerumenomic) that carry valuable biological information has interesting implications for veterinary medicine. Nonetheless, up to now, no applications of veterinary cerumenomic assays have been made to identify bovine laminitis. This work aims to develop a veterinary cerumenomic assay for bovine laminitis identification that is non-invasive, robust, accurate, and sensitive to detecting the metabolic disturbances in bovine volatile metabolome. Twenty earwax samples (10 from healthy/control calves and 10 from laminitis calves) were collected from Nellore cattle, followed by Headspace/Gas Chromatography-Mass Spectrometry (HS/GC-MS) analysis and biomarker selection in two multivariate approaches: semiquantitative (intensity data) and semiqualitative (binary data). Following the analysis, cerumen volatile metabolites were indicated as candidate biomarkers for identifying bovine laminitis by monitoring their intensity or occurrence. In the semiquantitative strategy, the p-cresol presented the highest diagnostic figures of merit (area under the curve: 0.845, sensitivity: 0.700, and specificity: 0.900). Regarding the binary approach, a panel combining eight variables/volatiles, with formamide being the most prominent one, showed an area under the curve, sensitivity, and specificity of 0.97, 0.81, and 0.90, respectively. In summary, this work describes the first veterinary cerumenomic assay for bovine laminitis that indicates new metabolites altered during the inflammatory condition, paving the way for developing laminitis early diagnosis by monitoring the cerumen metabolites.
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Affiliation(s)
- João Marcos G Barbosa
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
| | - Ana Luiza Reis R Cunha
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Lurian C David
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Ícaro N Camelo
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Nauyla M Martins
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Felipe S Galvão
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Débora R Mendonça
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Marianna T Venâncio
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Roberta Dias S Cunha
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Alessandro R Costa Filho
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Izadora M Veloso
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Juliano José R Fernandes
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Paulo Henrique Jorge da Cunha
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Nelson R Antoniosi Filho
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
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