top of page

Lipid Metabolism and Inflammation in Dogs

 

Evidence-based analysis of lipid metabolism and its role in inflammation, immune regulation, and metabolic health in dogs, including dietary influences, molecular pathways, and clinical implications.

Evidence Position Summary

​

What This Evidence Page Covers

 

This page evaluates how lipid metabolism interacts with inflammatory pathways in dogs, including molecular signaling, immune modulation, and dietary influences.

 

It focuses on:

​

  • Lipid digestion, transport, and cellular metabolism

  • Fatty acid signaling and inflammatory pathways

  • Interactions between lipids, immune cells, and oxidative stress

  • Effects of diet composition on inflammatory responses

 

Where relevant, findings are interpreted across dietary models, including:

​

Veterinary Diet Decision Framework for Dogs

A clinical resource from VetFarmacy’s Evidence Library

 

Interpreting veterinary nutrition research—especially digestibility and nutrient absorption data—can be complex and context-dependent.

​

This clinical framework explains how veterinarians evaluate nutrient digestibility, bioavailability, and gastrointestinal function using structured scientific evidence rather than marketing claims.

 

Download the professional framework used to assess:

​

  • how digestibility is measured and interpreted across diet types

  • differences in nutrient bioavailability between fresh, raw, and extruded diets

  • the impact of processing on nutrient absorption

  • how digestibility relates to stool quality, metabolism, and microbiome activity

  • how to distinguish meaningful findings from misleading claims

​

​

​

​Free evidence-based PDF • Created for veterinarians,

veterinary students, and science-minded pet owners

Evidence Breakdown

Lipid Metabolism and Cellular Pathways

​

  • Lipids are digested, absorbed, and transported via lipoproteins, serving as both energy substrates and signaling molecules (Xenoulis & Steiner, 2009).

  • Intracellular lipid metabolism regulates mitochondrial function, oxidative balance, and metabolic signaling (Sukhorukov & Orekhov, 2024).

  • Key regulators such as AMPK influence lipid metabolism and oxidative stress responses (Deng et al., 2025).

​​

Lipid Signaling and Inflammatory Pathways

​

​​

Lipid Profiles and Disease Associations

​

​​

Dietary Lipids and Inflammatory Modulation

​

  • Omega-3 fatty acids are associated with anti-inflammatory effects and modulation of oxidative stress markers (Ravić et al., 2022).

  • Dietary lipid composition influences immune responses, gut microbiota, and inflammatory mediators (Wisniewski et al., 2019).

  • Specific fatty acids may either promote or reduce inflammation depending on their structure and metabolic pathways (Ravaut et al., 2020).

​​

Lipid Metabolism, Microbiome, and Systemic Effects

​

  • Lipid metabolism interacts with the gut microbiome, influencing energy balance and inflammatory signaling (Li et al., 2024).

  • Microbial metabolites, including short-chain fatty acids, modulate lipid metabolism and immune responses (He et al., 2020).

​

See also:

  • Gut Microbiome and Digestive Health in Dogs

​

Oxidative Stress and Lipid Interactions

​

  • Lipid metabolism is closely linked to oxidative stress through lipid peroxidation and mitochondrial function (Karić et al., 2024).

  • Oxidative stress contributes to inflammatory progression and metabolic dysfunction (Verdoodt et al., 2025).

​​

See also:

  • Oxidative Stress and Antioxidant Systems in Dogs

Primary Literature Summary

​

  • Mechanistic studies demonstrate strong links between lipid metabolism and inflammatory signaling pathways (Ertunc & Hotamışlıgil, 2016).

  • Clinical and metabolomic studies identify lipid alterations in canine inflammatory and metabolic diseases (Gianella et al., 2024).

  • Nutritional studies support diet-dependent modulation of lipid metabolism and inflammatory outcomes (Ravić et al., 2022).

  • Translational and molecular studies provide mechanistic insight but require context-specific interpretation (Xu et al., 2024).

Clinical Interpretation (Non-Prescriptive)

 

Lipid metabolism plays a central role in inflammatory regulation and metabolic health in dogs but does not independently determine clinical outcomes.

 

Dietary fat composition, metabolic status, and underlying disease processes interact to influence inflammatory responses.

 

Interpretation requires integration of lipid metabolism within the broader physiological and nutritional context.

How Veterinarians Evaluate Lipid Metabolism and Inflammation

 

Inflammation-related nutrition research can be complex, particularly when interpreting lipid metabolism, immune signaling, and dietary fat composition.

​

This clinical framework explains how veterinarians evaluate lipid-related evidence in the context of inflammation, metabolic health, and diet formulation.

​

The framework helps interpret questions such as:

​

  • How do different types of dietary fats influence inflammation?

  • What lipid markers are clinically relevant in dogs?

  • How does lipid metabolism relate to chronic disease risk?

  • How should fatty acid profiles be evaluated in diet formulation?

​

​

​

Professional veterinary nutrition resource • Free download

Key Takeaways

​

  • Lipid metabolism is a central regulator of inflammation and metabolic function

  • Fatty acid composition significantly influences immune signaling pathways

  • Dysregulated lipid metabolism is associated with multiple disease states

  • Clinical interpretation requires integration of diet, physiology, and disease context

Scope & Limitations Notice

​

This summary reflects current evidence and is subject to limitations in study design, disease variability, and translational applicability.

References

  • Ambrosini, Y., Neuber, S., Borcherding, D., Seo, Y., Segarra, S., Glanemann, B., Garden, O. A., Müller, U., Adam, M., Dang, V., Borts, D., Atherly, T., Willette, A., Jergens, A. E., Mochel, J. P., & Allenspach, K. (2020). Treatment with hydrolyzed diet supplemented with prebiotics and glycosaminoglycans alters lipid metabolism in canine inflammatory bowel disease. Frontiers in Veterinary Science, 7. https://doi.org/10.3389/fvets.2020.00451

  • Anand, P. K. (2020). Lipids, inflammasomes, metabolism, and disease. Immunological Reviews, 297(1), 108–122. https://doi.org/10.1111/imr.12891

  • Andersen, C. J. (2022). Lipid metabolism in inflammation and immune function. Nutrients, 14(7), 1414. https://doi.org/10.3390/nu14071414

  • Chernigova, S., Chernigov, Y., Vatnikov, Y., Kulikov, E., Popova, I., Shirmanov, V., Molchanova, M., Likhacheva, I., Voronina, Y., & Lukina, D. (2019). Special aspects of systemic inflammation course in animals. Veterinary World, 12(6), 932–937. https://doi.org/10.14202/vetworld.2019.932-937

  • Chiurchiù, V., Leuti, A., & Maccarrone, M. (2018). Bioactive lipids and chronic inflammation: Managing the fire within. Frontiers in Immunology, 9, 38. https://doi.org/10.3389/fimmu.2018.00038

  • Crakes, K. R., Pires, J., Quach, N., Ellis-Reis, R., Greathouse, R., Chittum, K., Steiner, J. M., Pesavento, P. A., Marks, S. L., Dandekar, S., & Gilor, C. (2021). Fenofibrate promotes PPARα-targeted recovery of the intestinal epithelial barrier in dogs with diabetes mellitus. Scientific Reports, 11, 1–12. https://doi.org/10.1038/s41598-021-92966-7

  • Crisi, P. E., Luciani, A., Di Tommaso, M., Prasinou, P., De Santis, F., Chatgilialoglu, C., Pietra, M., Procoli, F., Sansone, A., Giordano, M., Gramenzi, A., Ferreri, C., & Boari, A. (2021). Fatty acid-based erythrocyte membrane lipidome in dogs with chronic enteropathy. Animals, 11(9), 2604. https://doi.org/10.3390/ani11092604

  • Deng, X., Liu, H., Zhao, W., Wu, R., Chen, K., Li, Q., Yazlik, M., Özkan, H., Ren, J., Zhang, J., Liu, S., Mei, L., Li, S., Zhan, J., & Hu, B. (2025). Expression of AMPK and PLIN2 in lipid metabolism and oxidative stress in bitches with pyometra. BMC Veterinary Research, 21, 1–12. https://doi.org/10.1186/s12917-025-04622-1

  • Ertunc, M. E., & Hotamışlıgil, G. S. (2016). Lipid signaling and lipotoxicity in metaflammation. Journal of Lipid Research, 57(12), 2099–2114. https://doi.org/10.1194/jlr.r066514

  • Franco, J., Rajwa, B., Gomes, P., & Hogenesch, H. (2021). Lipid profile changes as biomarkers for canine atopic dermatitis. Metabolites, 11(10), 670. https://doi.org/10.3390/metabo11100670

  • Gianella, P., Cagnasso, F., Giordano, A., Borrelli, A., Bottero, E., Bruno, B., Ferriani, R., Borella, F., Meazzi, S., Scavone, D., & Paltrinieri, S. (2024). Lipid profile and inflammatory markers in dogs with protein-losing enteropathy. Animals, 14(21), 3119. https://doi.org/10.3390/ani14213119

  • Glass, C. K., & Olefsky, J. M. (2012). Inflammation and lipid signaling in insulin resistance. Cell Metabolism, 15(5), 635–645. https://doi.org/10.1016/j.cmet.2012.04.001

  • Habermaass, V., Takami, Y., Izawa, T., Abramo, F., Biolatti, C., & Marchetti, V. (2025). Lipid dysmetabolism in canine chronic liver disease. Veterinary Sciences, 12(3), 220. https://doi.org/10.3390/vetsci12030220

  • He, J., Zhang, P., Shen, L., Niu, L., Tan, Y., Chen, L., Zhao, Y., Bai, L., Hao, X., Li, X., Zhang, S., & Zhu, L. (2020). Short-chain fatty acids and their role in inflammation and metabolism. International Journal of Molecular Sciences, 21(17), 6350. https://doi.org/10.3390/ijms21176356

  • Ito, A. (2025). Lipid metabolic reprogramming in immune regulation and chronic inflammatory diseases. Endocrine Journal, 72(9), 979–985. https://doi.org/10.1507/endocrj.ej25-0180

  • Ito, A., & Suganami, T. (2025). Lipid metabolism in myeloid cell function and chronic inflammatory diseases. Frontiers in Immunology, 15. https://doi.org/10.3389/fimmu.2024.1495853

  • Karić, L., Janjić, F., Spariosu, K., Davitkov, D., Krstić, V., Filipović, K., & Radaković, M. (2024). Oxidative stress, inflammation, and lipid status in dogs with hypercortisolism. Animals, 14(23), 3476. https://doi.org/10.3390/ani14233476

  • Kida, T., Yamazaki, A., Nakamura, T., Kobayashi, K., Yoshimoto, S., Maeda, S., Nakagawa, T., Nishimura, R., & Murata, T. (2022). Lipid metabolites in canine urine and disease associations. Journal of Veterinary Medical Science, 84, 1074–1078. https://doi.org/10.1292/jvms.22-0191

  • Li, H., Zou, Y., Elsheikha, H. M., Xu, Y., Cai, L., Xie, S., & Zheng, W. (2022). Lipidomic changes in canine liver with parasitic infection. Frontiers in Cellular and Infection Microbiology, 12. https://doi.org/10.3389/fcimb.2022.890589

  • Li, K., Xiao, X., Li, Y., Lu, S., Zi, J., Sun, X., Xu, J., Liu, H., Li, X., Song, T., & Cai, D. (2024). Gut microbiota and lipid metabolism in canine obesity. Journal of Animal Science and Biotechnology, 15. https://doi.org/10.1186/s40104-024-01073-w

  • Peloquin, M., Tovar, A., Graves, J., Stefanovski, D., Tucker, K., Marietti, E., Greenwood, K., Halioua-Haubold, C., & Juarez-Salinas, D. (2024). Saturated fatty acids and insulin sensitivity in dogs. Scientific Reports, 14. https://doi.org/10.1038/s41598-024-63373-5

  • Ravaut, G., Légiot, A., Bergeron, K., & Mounier, C. (2020). Monounsaturated fatty acids in obesity-related inflammation. International Journal of Molecular Sciences, 22(1), 330. https://doi.org/10.3390/ijms22010330

  • Ravić, B., Debeljak-Martačić, J., Pokimica, B., Vidović, N., Ranković, S., Glibetić, M., Stepanović, P., & Popović, T. (2022). Fish oil-based diets and lipid oxidative status in dogs. Biomolecules, 12(8), 1092. https://doi.org/10.3390/biom12081092

  • Sieber-Ruckstuhl, N. S., Burla, B., Spoerel, S., Schmid, F., Venzin, C., Cazenave-Gassiot, A., Bendt, A. K., Torta, F., Wenk, M. R., & Boretti, F. S. (2019). Plasma lipidome changes with glucocorticoid exposure in dogs. Scientific Reports, 9, 1–10. https://doi.org/10.1038/s41598-019-42190-1

  • Sukhorukov, V. N., & Orekhov, A. N. (2024). Molecular aspects of lipid metabolism and inflammation. International Journal of Molecular Sciences, 25(12), 6299. https://doi.org/10.3390/ijms25126299

  • Tiwari, V., & Simons, M. (2025). Lipid metabolism and neuroinflammation. Journal of Experimental Medicine, 222(9). https://doi.org/10.1084/jem.20241232

  • Tvarijonaviciute, A., Barić-Rafaj, R., Horvatić, A., Muñoz-Prieto, A., Guillemin, N., Lamy, E., Tumpa, A., Cerón, J. J., Martínez-Subiela, S., & Mrljak, V. (2019). Metabolic pathways in canine obesity-related dysfunction. Veterinary Journal, 244, 51–59. https://doi.org/10.1016/j.tvjl.2018.12.006

  • Van Diepen, J. A., Berbée, J. F. P., Havekes, L. M., & Rensen, P. C. N. (2013). Interactions between inflammation and lipid metabolism. Atherosclerosis, 228(2), 306–315. https://doi.org/10.1016/j.atherosclerosis.2013.02.028

  • Verdoodt, F., Bhatti, S. F. M., Molina, J., Van Ham, L., Vanhaecke, L., Junius, G., Hemeryck, L., & Hesta, M. (2025). Plasma metabolome changes in dogs with epilepsy. Epilepsia, 66(5), 1315–1328. https://doi.org/10.1111/epi.18256

  • Wisniewski, P. J., Dowden, R. A., & Campbell, S. C. (2019). Role of dietary lipids in inflammation via gut microbiota. Nutrients, 11(1), 117. https://doi.org/10.3390/nu11010117

  • Xenoulis, P. G., & Steiner, J. M. (2009). Lipid metabolism and hyperlipidemia in dogs. Veterinary Journal, 183(1), 12–21. https://doi.org/10.1016/j.tvjl.2008.10.011

  • Zhang, C., Wang, K., Yang, L., Liu, R., Chu, Y., Qin, X., Yang, P., & Yu, H. (2018). Lipid metabolism in inflammation-related diseases. Analyst, 143(19), 4526–4536. https://doi.org/10.1039/c8an01046c

  • Zhu, Q., Wu, Y., Mai, J., Guo, G., Meng, J., Fang, X., Chen, X., Liu, C., & Zhong, S. (2022). Metabolic profiling in inflammation pathways. Frontiers in Immunology, 13. https://doi.org/10.3389/fimmu.2022.829425

How Veterinarians Evaluate Dog Diets

 

VetFarmacy created a clinical reference guide explaining how lipid metabolism, inflammation, and diet composition are evaluated using structured, evidence-based methods.

 

Inside the PDF you’ll learn:

​

  • how dietary fats influence inflammation and metabolic health

  • how lipid profiles are interpreted in clinical nutrition

  • how different diet types affect inflammatory pathways

  • how to distinguish meaningful evidence from marketing claims

​

​

​

By Dr. Athena Gaffud, DVM
Founder of VetFarmacy | Evidence-Based Veterinary Nutrition

​

Free educational resource • No spam

bottom of page