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Valberg SJ, Soave K, Williams ZJ, Perumbakkam S, Schott M, Finno CJ, Petersen JL, Fenger C, Autry JM, Thomas DD. Coding sequences of sarcoplasmic reticulum calcium ATPase regulatory peptides and expression of calcium regulatory genes in recurrent exertional rhabdomyolysis. J Vet Intern Med 2019; 33:933-941. [PMID: 30720217 PMCID: PMC6430904 DOI: 10.1111/jvim.15425] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 01/11/2019] [Indexed: 12/12/2022] Open
Abstract
Background Sarcolipin (SLN), myoregulin (MRLN), and dwarf open reading frame (DWORF) are transmembrane regulators of the sarcoplasmic reticulum calcium transporting ATPase (SERCA) that we hypothesized played a role in recurrent exertional rhabdomyolysis (RER). Objectives Compare coding sequences of SLN, MRLN, DWORF across species and between RER and control horses. Compare expression of muscle Ca2+ regulatory genes between RER and control horses. Animals Twenty Thoroughbreds (TB), 5 Standardbreds (STD), 6 Quarter Horses (QH) with RER and 39 breed‐matched controls. Methods Sanger sequencing of SERCA regulatory genes with comparison of amino acid (AA) sequences among control, RER horses, human, mouse, and rabbit reference genomes. In RER and control gluteal muscle, quantitative real‐time polymerase chain reaction of SERCA regulatory peptides, the calcium release channel (RYR1), and its accessory proteins calsequestrin (CASQ1), and calstabin (FKBP1A). Results The SLN gene was the highest expressed horse SERCA regulatory gene with a uniquely truncated AA sequence (29 versus 31) versus other species. Coding sequences of SLN, MRLN, and DWORF were identical in RER and control horses. A sex‐by‐phenotype effect occurred with lower CASQ1 expression in RER males versus control males (P < .001) and RER females (P = .05) and higher FKBP1A (P = .01) expression in RER males versus control males. Conclusions and Clinical Importance The SLN gene encodes a uniquely truncated peptide in the horse versus other species. Variants in the coding sequence of SLN, MLRN, or DWORF were not associated with RER. Males with RER have differential gene expression that could reflect adaptations to stabilize RYR1.
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Affiliation(s)
- Stephanie J Valberg
- McPhail Equine Performance Center, Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan
| | - Kaitlin Soave
- McPhail Equine Performance Center, Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan
| | - Zoë J Williams
- McPhail Equine Performance Center, Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan
| | - Sudeep Perumbakkam
- McPhail Equine Performance Center, Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan
| | - Melissa Schott
- McPhail Equine Performance Center, Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan
| | - Carrie J Finno
- Department of Population Health and Reproduction, University of California-Davis, Davis, California
| | - Jessica L Petersen
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Clara Fenger
- Equine Integrated Medicine, PLC, Lexington, Kentucky
| | - Joseph M Autry
- Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, Minneapolis, Minnesota
| | - David D Thomas
- Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, Minneapolis, Minnesota
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Norton EM, Mickelson JR, Binns MM, Blott SC, Caputo P, Isgren CM, McCoy AM, Moore A, Piercy RJ, Swinburne JE, Vaudin M, McCue ME. Heritability of Recurrent Exertional Rhabdomyolysis in Standardbred and Thoroughbred Racehorses Derived From SNP Genotyping Data. J Hered 2016; 107:537-43. [PMID: 27489252 DOI: 10.1093/jhered/esw042] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 07/07/2016] [Indexed: 12/17/2022] Open
Abstract
Recurrent exertional rhabdomyolysis (RER) in Thoroughbred and Standardbred racehorses is characterized by episodes of muscle rigidity and cell damage that often recur upon strenuous exercise. The objective was to evaluate the importance of genetic factors in RER by obtaining an unbiased estimate of heritability in cohorts of unrelated Thoroughbred and Standardbred racehorses. Four hundred ninety-one Thoroughbred and 196 Standardbred racehorses were genotyped with the 54K or 74K SNP genotyping arrays. Heritability was calculated from genome-wide SNP data with a mixed linear and Bayesian model, utilizing the standard genetic relationship matrix (GRM). Both the mixed linear and Bayesian models estimated heritability of RER in Thoroughbreds to be approximately 0.34 and in Standardbred racehorses to be approximately 0.45 after adjusting for disease prevalence and sex. To account for potential differences in the genetic architecture of the underlying causal variants, heritability estimates were adjusted based on linkage disequilibrium weighted kinship matrix, minor allele frequency and variant effect size, yielding heritability estimates that ranged between 0.41-0.46 (Thoroughbreds) and 0.39-0.49 (Standardbreds). In conclusion, between 34-46% and 39-49% of the variance in RER susceptibility in Thoroughbred and Standardbred racehorses, respectively, can be explained by the SNPs present on these 2 genotyping arrays, indicating that RER is moderately heritable. These data provide further rationale for the investigation of genetic mutations associated with RER susceptibility.
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Affiliation(s)
- Elaine M Norton
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - James R Mickelson
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Matthew M Binns
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Sarah C Blott
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Paul Caputo
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Cajsa M Isgren
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Annette M McCoy
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Alison Moore
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Richard J Piercy
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - June E Swinburne
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Mark Vaudin
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin)
| | - Molly E McCue
- From the Veterinary Population Medicine Department, University of Minnesota, 225 Veterinary Medical Center, 1365 Gortner Ave, St. Paul, MN 55108 (Norton and McCue); Veterinary Biomedical Sciences Department, University of Minnesota, St. Paul, MN (Mickelson); Equine Analysis Systems, LLC, Midway, KY (Binns); School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK (Blott); 333 SW 14th Ave, Pompano Beach, FL (Caputo); School of Veterinary Science, University of Liverpool; Philip Leverhulme Equine Hospital, University of Liverpool Leahurst Campus, Wirral, UK (Isgren); Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL (McCoy); Moore Equine Services, Cambridge, Canada (Moore); Department of Clinical Sciences and Services, The Royal Veterinary College, Hertfordshire, UK (Piercy); Animal DNA Diagnostics LTD, Cambridge, UK (Swinburne); and Animal Health Trust, Suffolk, UK (Vaudin).
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