Gene expression in intestinal mucosal biopsy specimens obtained from dogs with chronic enteropathy

Vicki L. Wilke, Dan Nettleton, Meghan J. Wymore, Jack M. Gallup, Cumhur Yusuf Demirkale, Mark R. Ackermann, Chris K. Tuggle, Amanda E. Ramer-Tait, Michael J. Wannemuehler, Albert E. Jergens

Research output: Contribution to journalArticle

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Abstract

Objective-To characterize mucosal gene expression in dogs with chronic enteropathy (CE). Animals-18 dogs with CE and 6 healthy control dogs. Procedures-Small intestinal mucosal biopsy specimens were endoscopically obtained from dogs. Disease severity in dogs with CE was determined via inflammatory bowel index scores and histologic grading of biopsy specimens. Total RNA was extracted from biopsy specimens and microchip array analysis (approx 43,000 probe sets) and quantitative reverse transcriptase PCR assays were performed. Results-1,875 genes were differentially expressed between dogs with CE and healthy control dogs; 1,582 (85%) genes were downregulated in dogs with CE, including neurotensin, fatty acid-binding protein 6, fatty acid synthase, aldehyde dehydrogenase 1 family member B1, metallothionein, and claudin 8, whereas few genes were upregulated in dogs with CE, including genes encoding products involved in extracellular matrix degradation (matrix metallopeptidases 1, 3, and 13), inflammation (tumor necrosis factor, interleukin-8, peroxisome proliferator-activated receptor γ, and S100 calcium-binding protein G), iron transport (solute carrier family 40 member 1), and immunity (CD96 and carcinoembryonic antigen-related cell adhesion molecule [CEACAM] 18). Dogs with CE and protein-losing enteropathy had the greatest number of differentially expressed genes. Results of quantitative reverse transcriptase PCR assay for select genes were similar to those for microchip array analysis. Conclusions and Clinical Relevance-Expression of genes encoding products regulating mucosal inflammation was altered in dogs with CE and varied with disease severity. Impact for Human Medicine-Molecular pathogenesis of CE in dogs may be similar to that in humans with inflammatory bowel disease.

Original languageEnglish (US)
Pages (from-to)1219-1229
Number of pages11
JournalAmerican journal of veterinary research
Volume73
Issue number8
DOIs
StatePublished - Aug 1 2012

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digestive system diseases
biopsy
Dogs
Biopsy
Gene Expression
gene expression
dogs
Microchip Analytical Procedures
Genes
genes
Reverse Transcriptase Polymerase Chain Reaction
disease severity
S100 Calcium Binding Protein G
inflammation
reverse transcriptase polymerase chain reaction
Protein-Losing Enteropathies
Molecular Medicine
Inflammation
aldehyde dehydrogenase
calcium-binding proteins

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Wilke, V. L., Nettleton, D., Wymore, M. J., Gallup, J. M., Demirkale, C. Y., Ackermann, M. R., ... Jergens, A. E. (2012). Gene expression in intestinal mucosal biopsy specimens obtained from dogs with chronic enteropathy. American journal of veterinary research, 73(8), 1219-1229. https://doi.org/10.2460/ajvr.73.8.1219

Gene expression in intestinal mucosal biopsy specimens obtained from dogs with chronic enteropathy. / Wilke, Vicki L.; Nettleton, Dan; Wymore, Meghan J.; Gallup, Jack M.; Demirkale, Cumhur Yusuf; Ackermann, Mark R.; Tuggle, Chris K.; Ramer-Tait, Amanda E.; Wannemuehler, Michael J.; Jergens, Albert E.

In: American journal of veterinary research, Vol. 73, No. 8, 01.08.2012, p. 1219-1229.

Research output: Contribution to journalArticle

Wilke, VL, Nettleton, D, Wymore, MJ, Gallup, JM, Demirkale, CY, Ackermann, MR, Tuggle, CK, Ramer-Tait, AE, Wannemuehler, MJ & Jergens, AE 2012, 'Gene expression in intestinal mucosal biopsy specimens obtained from dogs with chronic enteropathy', American journal of veterinary research, vol. 73, no. 8, pp. 1219-1229. https://doi.org/10.2460/ajvr.73.8.1219
Wilke, Vicki L. ; Nettleton, Dan ; Wymore, Meghan J. ; Gallup, Jack M. ; Demirkale, Cumhur Yusuf ; Ackermann, Mark R. ; Tuggle, Chris K. ; Ramer-Tait, Amanda E. ; Wannemuehler, Michael J. ; Jergens, Albert E. / Gene expression in intestinal mucosal biopsy specimens obtained from dogs with chronic enteropathy. In: American journal of veterinary research. 2012 ; Vol. 73, No. 8. pp. 1219-1229.
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abstract = "Objective-To characterize mucosal gene expression in dogs with chronic enteropathy (CE). Animals-18 dogs with CE and 6 healthy control dogs. Procedures-Small intestinal mucosal biopsy specimens were endoscopically obtained from dogs. Disease severity in dogs with CE was determined via inflammatory bowel index scores and histologic grading of biopsy specimens. Total RNA was extracted from biopsy specimens and microchip array analysis (approx 43,000 probe sets) and quantitative reverse transcriptase PCR assays were performed. Results-1,875 genes were differentially expressed between dogs with CE and healthy control dogs; 1,582 (85{\%}) genes were downregulated in dogs with CE, including neurotensin, fatty acid-binding protein 6, fatty acid synthase, aldehyde dehydrogenase 1 family member B1, metallothionein, and claudin 8, whereas few genes were upregulated in dogs with CE, including genes encoding products involved in extracellular matrix degradation (matrix metallopeptidases 1, 3, and 13), inflammation (tumor necrosis factor, interleukin-8, peroxisome proliferator-activated receptor γ, and S100 calcium-binding protein G), iron transport (solute carrier family 40 member 1), and immunity (CD96 and carcinoembryonic antigen-related cell adhesion molecule [CEACAM] 18). Dogs with CE and protein-losing enteropathy had the greatest number of differentially expressed genes. Results of quantitative reverse transcriptase PCR assay for select genes were similar to those for microchip array analysis. Conclusions and Clinical Relevance-Expression of genes encoding products regulating mucosal inflammation was altered in dogs with CE and varied with disease severity. Impact for Human Medicine-Molecular pathogenesis of CE in dogs may be similar to that in humans with inflammatory bowel disease.",
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AU - Nettleton, Dan

AU - Wymore, Meghan J.

AU - Gallup, Jack M.

AU - Demirkale, Cumhur Yusuf

AU - Ackermann, Mark R.

AU - Tuggle, Chris K.

AU - Ramer-Tait, Amanda E.

AU - Wannemuehler, Michael J.

AU - Jergens, Albert E.

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N2 - Objective-To characterize mucosal gene expression in dogs with chronic enteropathy (CE). Animals-18 dogs with CE and 6 healthy control dogs. Procedures-Small intestinal mucosal biopsy specimens were endoscopically obtained from dogs. Disease severity in dogs with CE was determined via inflammatory bowel index scores and histologic grading of biopsy specimens. Total RNA was extracted from biopsy specimens and microchip array analysis (approx 43,000 probe sets) and quantitative reverse transcriptase PCR assays were performed. Results-1,875 genes were differentially expressed between dogs with CE and healthy control dogs; 1,582 (85%) genes were downregulated in dogs with CE, including neurotensin, fatty acid-binding protein 6, fatty acid synthase, aldehyde dehydrogenase 1 family member B1, metallothionein, and claudin 8, whereas few genes were upregulated in dogs with CE, including genes encoding products involved in extracellular matrix degradation (matrix metallopeptidases 1, 3, and 13), inflammation (tumor necrosis factor, interleukin-8, peroxisome proliferator-activated receptor γ, and S100 calcium-binding protein G), iron transport (solute carrier family 40 member 1), and immunity (CD96 and carcinoembryonic antigen-related cell adhesion molecule [CEACAM] 18). Dogs with CE and protein-losing enteropathy had the greatest number of differentially expressed genes. Results of quantitative reverse transcriptase PCR assay for select genes were similar to those for microchip array analysis. Conclusions and Clinical Relevance-Expression of genes encoding products regulating mucosal inflammation was altered in dogs with CE and varied with disease severity. Impact for Human Medicine-Molecular pathogenesis of CE in dogs may be similar to that in humans with inflammatory bowel disease.

AB - Objective-To characterize mucosal gene expression in dogs with chronic enteropathy (CE). Animals-18 dogs with CE and 6 healthy control dogs. Procedures-Small intestinal mucosal biopsy specimens were endoscopically obtained from dogs. Disease severity in dogs with CE was determined via inflammatory bowel index scores and histologic grading of biopsy specimens. Total RNA was extracted from biopsy specimens and microchip array analysis (approx 43,000 probe sets) and quantitative reverse transcriptase PCR assays were performed. Results-1,875 genes were differentially expressed between dogs with CE and healthy control dogs; 1,582 (85%) genes were downregulated in dogs with CE, including neurotensin, fatty acid-binding protein 6, fatty acid synthase, aldehyde dehydrogenase 1 family member B1, metallothionein, and claudin 8, whereas few genes were upregulated in dogs with CE, including genes encoding products involved in extracellular matrix degradation (matrix metallopeptidases 1, 3, and 13), inflammation (tumor necrosis factor, interleukin-8, peroxisome proliferator-activated receptor γ, and S100 calcium-binding protein G), iron transport (solute carrier family 40 member 1), and immunity (CD96 and carcinoembryonic antigen-related cell adhesion molecule [CEACAM] 18). Dogs with CE and protein-losing enteropathy had the greatest number of differentially expressed genes. Results of quantitative reverse transcriptase PCR assay for select genes were similar to those for microchip array analysis. Conclusions and Clinical Relevance-Expression of genes encoding products regulating mucosal inflammation was altered in dogs with CE and varied with disease severity. Impact for Human Medicine-Molecular pathogenesis of CE in dogs may be similar to that in humans with inflammatory bowel disease.

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