Analyze Diet
Journal of veterinary internal medicine2016; 30(4); 1344-1350; doi: 10.1111/jvim.13977

Concurrent Equine Degenerative Myeloencephalopathy and Equine Motor Neuron Disease in Three Young Horses.

Abstract: No abstract available
Publication Date: 2016-06-14 PubMed ID: 27298214PubMed Central: PMC5089576DOI: 10.1111/jvim.13977Google Scholar: Lookup
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
  • Case Reports
  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research focuses on multiple neurologic illnesses observed in a family of Paint horses. The study specifically investigates three young horses which presented symptoms such as degenerative myeloencephalopathy and motor neuron disease.

Case Presentation and Findings

  • The initial case was discovered in a gelding from a Paint horse breeding farm, showing symptoms of muscle wasting, difficulty in moving, and spending most of the day lying on its side. To evaluate the condition, a series of tests were conducted, like serum a-tocopherol (a-TP) concentration, cerebrospinal fluid (CSF) analysis, and necropsy examination.
  • Postmortem examination revealed noteworthy muscle atrophy and damage to neurons in different areas of the brainstem. Notably, spheroids were found in the lateral accessory cuneate nucleus (LACN) bilaterally (on both sides) which is significant due to their usual existence in neurodegenerative conditions.
  • Additional findings included axonal degeneration, muscle fiber irregularities, and neurodegeneration throughout the nervous system.

Diagnosis

  • Based on these findings, the gelding was diagnosed with equine motor neuron disease (EMND). The presence of spheroids and axonal degeneration also led to a secondary concurrent diagnosis of equine degenerative myeloencephalopathy (EDM).

Extended Family Assessment

  • Following the initial case, an investigation into the horse’s family presented similar symptoms in an affected half-sibling and full sibling. Each displayed signs consistent with their underlying health problems, further distorting the family’s medical status.
  • The biological parents of the gelding exhibited no noticeable neurologic deficiencies, however, they had low levels of serum a-TP, which is associated with such neurologic conditions.
  • Examinations of the grand-dam and the dam also discovered low levels of serum a-TP, though there were no significant neurologic deficits found in either horse.

Overall, this study offers essential insights into the co-existence of neurologic diseases in equine subjects and may contribute to future research on prevention and treatment.

Cite This Article

APA
Finno CJ, Miller AD, Sisó S, Divers T, Gianino G, Barro MV, Valberg SJ. (2016). Concurrent Equine Degenerative Myeloencephalopathy and Equine Motor Neuron Disease in Three Young Horses. J Vet Intern Med, 30(4), 1344-1350. https://doi.org/10.1111/jvim.13977

Publication

ISSN: 1939-1676
NlmUniqueID: 8708660
Country: United States
Language: English
Volume: 30
Issue: 4
Pages: 1344-1350

Researcher Affiliations

Finno, C J
  • Population Health and Reproduction, School of Veterinary Medicine, School of Medicine, University of California, Davis, CA.
Miller, A D
  • Department of Biomedical Sciences, Section of Anatomic Pathology, Cornell University College of Veterinary Medicine, Ithaca, NY.
Sisó, S
  • Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, CA.
Divers, T
  • Department of Clinical Sciences, Cornell University College of Veterinary Medicine, Ithaca, NY.
Gianino, G
  • Population Health and Reproduction, School of Veterinary Medicine, School of Medicine, University of California, Davis, CA.
Barro, M V
  • Population Health and Reproduction, School of Veterinary Medicine, School of Medicine, University of California, Davis, CA.
Valberg, S J
  • Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN.

Grant Funding

  • K01 OD015134 / NIH HHS
  • L40 TR001136 / NCATS NIH HHS

References

This article includes 24 references
  1. Finno CJ, Valberg SJ. A comparative review of vitamin E and associated equine disorders.. J Vet Intern Med 2012;26:1251–1266.
    pubmed: 22925200
  2. Cumming WJK, Fulthorpe JJ, Hudgson P, Mahon M. Color Atlas of Muscle Pathology. 1 ed London: U.K.: Mosby‐Wolfe; 1994.
  3. Lunn DP, Mayhew IG. The neurologic evaluation of horses.. Equine Vet Educ 1989;1:94–101.
  4. Divers TJ, De Lahunta A, Hintz HF. Equine Motor Neuron Disease.. Equine Vet Educ 2001;13:63–67.
  5. Aleman M, Finno CJ, Higgins RJ. Evaluation of epidemiological, clinical, and pathological features of neuroaxonal dystrophy in Quarter Horses.. J Am Vet Med Assoc 2011;239:823–833.
    pubmed: 21916766
  6. Cummings JF, de Lahunta A, George C. Equine motor neuron disease; a preliminary report.. Cornell Vet 1990;80:357–379.
    pubmed: 2209016
  7. Untergasser A, Nijveen H, Rao X. Primer3Plus, an enhanced web interface to Primer3.. Nucleic Acids Res 2007;35:W71–W74.
    pmc: PMC1933133pubmed: 17485472
  8. de la Rua‐Domenech R, Wiedmann M, Mohammed HO. Equine motor neuron disease is not linked to Cu/Zn superoxide dismutase mutations: sequence analysis of the equine Cu/Zn superoxide dismutase cDNA.. Gene 1996;178:83–88.
    pubmed: 8921896
  9. Finno CJ, Estell K, Katzman S. Blood and cerebrospinal fluid alpha‐tocopherol and selenium concentrations in neonatal foals with neuroaxonal dystrophy.. J Vet Intern Med 2015;29():1667–1675.
    pmc: PMC4831564pubmed: 26391904
  10. Mohammed HO, Divers TJ, Summers BA. Vitamin E deficiency and risk of equine motor neuron disease.. Acta Vet Scand 2007;49:17.
    pmc: PMC1950518pubmed: 17605810
  11. Mohammed HO, Cummings JF, Divers TJ. Risk factors associated with equine motor neuron disease: a possible model for human MND.. Neurology 1993;43:966–971.
    pubmed: 8492954
  12. Finno CJ, Valberg SJ, Shivers J. Evidence of the primary afferent tracts undergoing neurodegeneration in horses with equine degenerative myeloencephalopathy using calretinin immunohistochemical localization.. Vet Pathol 2016;53():77–86.
    pmc: PMC4831571pubmed: 26253880
  13. Siso S, Ferrer I, Pumarola M. Abnormal synaptic protein expression in two Arabian horses with equine degenerative myeloencephalopathy.. Vet J 2003;166:238–243.
    pubmed: 14550734
  14. Weber Polack E, King JM, Cummings JF. Quantitative assessment of motor neuron loss in equine motor neuron disease (EMND).. Equine Vet J 1998;30:256–259.
    pubmed: 9622328
  15. Beech J, Haskins M. Genetic studies of neuraxonal dystrophy in the Morgan.. Am J Vet Res 1987;48:109–113.
    pubmed: 3826829
  16. Mayhew IG, Brown CM, Stowe HD. Equine degenerative myeloencephalopathy: a vitamin E deficiency that may be familial.. J Vet Intern Med 1987;1:45–50.
    pubmed: 3506620
  17. Valentine BA, de Lahunta A, George C. Acquired equine motor neuron disease.. Vet Pathol 1994;31:130–138.
    pubmed: 8140721
  18. Kinsley L, Siddique T. Amyotrophic Lateral Sclerosis Overview. GeneReviews® [Internet] Seattle (WA): University of Washington, Seattle; 2001: 1993–2015. Mar 23 [updated 2015 Feb 12].
  19. Muller DP. Vitamin E and neurological function.. Mol Nutr Food Res 2010;54:710–718.
    pubmed: 20183831
  20. Dill SG, Correa MT, Erb HN. Factors associated with the development of equine degenerative myeloencephalopathy.. Am J Vet Res 1990;51:1300–1305.
    pubmed: 2386332
  21. Finno CJ, Famula T, Aleman M. Pedigree analysis and exclusion of alpha‐tocopherol transfer protein (TTPA) as a candidate gene for neuroaxonal dystrophy in the American Quarter Horse.. J Vet Intern Med 2013;27:177–185.
    pmc: PMC4557866pubmed: 23186252
  22. Craig AM, Blythe LL. Antioxidants: diseases associated with deficiencies and therapeutic usages in equine practice. Proceedings of the 38th Annual Convention of the American Association of Equine Practitioners Orlando, FL: 1992:579–580.
  23. Rice D. Drought expands through USA.. USA Today 2012.
  24. National Research Council. Requirements Nutrient of Horses. 6th ed Washington, DC: National Research Council; 2007.

Citations

This article has been cited 6 times.
  1. Journée SL, Journée HL, Bergmann W, Chantziaras I, Vanderperren K, Raes E, Reed SM, de Bruijn CM, Berends HI, Delesalle CJG. Evaluation of the diagnostic value of transcranial electrical stimulation (TES) to assess neuronal functional integrity in horses. Front Neurosci 2024;18:1342803.
    doi: 10.3389/fnins.2024.1342803pubmed: 38665290google scholar: lookup
  2. Powers A, Peek SF, Reed S, Donnelly CG, Tinkler S, Gasper D, Woolard KD, Finno CJ. Equine neuroaxonal dystrophy/degenerative myeloencephalopathy in Gypsy Vanner horses. J Vet Intern Med 2024 May-Jun;38(3):1792-1798.
    doi: 10.1111/jvim.17062pubmed: 38613444google scholar: lookup
  3. Lorenzett MP, Armién AG, Henker LC, Schwertz CI, Cruz RAS, Panziera W, de Barros CSL, Driemeier D, Pavarini SP. Motor and somatosensory degenerative myelopathy responsive to pantothenic acid in piglets. Vet Pathol 2023 Jan;60(1):101-114.
    doi: 10.1177/03009858221128920pubmed: 36250539google scholar: lookup
  4. Cappai MG, Dimauro C, Biggio GP, Cherchi R, Accioni F, Pudda F, Boatto G, Pinna W. The metabolic profile of Asinara (albino) and Sardo donkeys (pigmented) (Equus asinus L., 1758) points to unequivocal breed assignment of individuals. PeerJ 2020;8:e9297.
    doi: 10.7717/peerj.9297pubmed: 32714654google scholar: lookup
  5. Burns EN, Finno CJ. Equine degenerative myeloencephalopathy: prevalence, impact, and management. Vet Med (Auckl) 2018;9:63-67.
    doi: 10.2147/VMRR.S148542pubmed: 30234005google scholar: lookup
  6. Finno CJ, Kaese HJ, Miller AD, Gianino G, Divers T, Valberg SJ. Pigment retinopathy in warmblood horses with equine degenerative myeloencephalopathy and equine motor neuron disease. Vet Ophthalmol 2017 Jul;20(4):304-309.
    doi: 10.1111/vop.12417pubmed: 27491953google scholar: lookup