Variation in MUTYH expression in Arabian horses with Cerebellar Abiotrophy

E. Y. Scott, Kevin D Woolard, Carrie J Finno, Cecilia Penedo, J. D. Murray

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Cerebellar Abiotrophy (CA) is a neurodegenerative disease in Arabian horses affecting the cerebellum, more specifically the Purkinje neurons. Although CA occurs in several domestic species, CA in Arabian horses is unique in that a single nucleotide polymorphism (SNP) has been associated with the disease. Total RNA sequencing (RNA-seq) was performed on CA-affected horses to address the molecular mechanism underlying the disease. This research expands upon the RNA-seq work by measuring the impact of the CA-associated SNP on the candidate gene MutY homolog (MUTYH) and its regulation, isoform-specific expression and protein localization. We hypothesized that the CA-associated SNP compromises the promoter region of MUTYH, leading to differential expression of its isoforms. Our research demonstrates that the CA-associated SNP introduces a new binding site for a novel transcription factor (Myelin Transcription Factor-1 Like protein, MYT1L). In addition, CA-affected horses show differential expression of a specific isoform of MUTYH as well as different localization in the Purkinje and granular neurons of the cerebellum.

Original languageEnglish (US)
Pages (from-to)330-336
Number of pages7
JournalBrain Research
Volume1678
DOIs
StatePublished - Jan 1 2018

Fingerprint

Horses
Single Nucleotide Polymorphism
RNA Sequence Analysis
Protein Isoforms
Purkinje Cells
Cerebellum
Transcription Factors
Myelin Sheath
Research
Genetic Promoter Regions
Neurodegenerative Diseases
Proteins
Binding Sites
Genes

Keywords

  • Cerebellar abiotrophy
  • Horse
  • MUTYH

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

Cite this

Variation in MUTYH expression in Arabian horses with Cerebellar Abiotrophy. / Scott, E. Y.; Woolard, Kevin D; Finno, Carrie J; Penedo, Cecilia; Murray, J. D.

In: Brain Research, Vol. 1678, 01.01.2018, p. 330-336.

Research output: Contribution to journalArticle

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