Computational Prediction of Alzheimer's and Parkinson's Disease MicroRNAs in Domestic Animals

  • Wang, Hai Yang (Department of Animal Sciences, Chungbuk National University) ;
  • Lin, Zi Li (Department of Animal Sciences, Chungbuk National University) ;
  • Yu, Xian Feng (College of Animal Sciences, Jilin University) ;
  • Bao, Yuan (College of Animal Sciences, Jilin University) ;
  • Cui, Xiang-Shun (Department of Animal Sciences, Chungbuk National University) ;
  • Kim, Nam-Hyung (Department of Animal Sciences, Chungbuk National University)
  • Received : 2015.05.08
  • Accepted : 2015.08.14
  • Published : 2016.06.01


As the most common neurodegenerative diseases, Alzheimer's disease (AD) and Parkinson's disease (PD) are two of the main health concerns for the elderly population. Recently, microRNAs (miRNAs) have been used as biomarkers of infectious, genetic, and metabolic diseases in humans but they have not been well studied in domestic animals. Here we describe a computational biology study in which human AD- and PD-associated miRNAs (ADM and PDM) were utilized to predict orthologous miRNAs in the following domestic animal species: dog, cow, pig, horse, and chicken. In this study, a total of 121 and 70 published human ADM and PDM were identified, respectively. Thirty-seven miRNAs were co-regulated in AD and PD. We identified a total of 105 unrepeated human ADM and PDM that had at least one 100% identical animal homolog, among which 81 and 54 showed 100% sequence identity with 241 and 161 domestic animal miRNAs, respectively. Over 20% of the total mature horse miRNAs (92) showed perfect matches to AD/PD-associated miRNAs. Pigs, dogs, and cows have similar numbers of AD/PD-associated miRNAs (63, 62, and 59). Chickens had the least number of perfect matches (34). Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses suggested that humans and dogs are relatively similar in the functional pathways of the five selected highly conserved miRNAs. Taken together, our study provides the first evidence for better understanding the miRNA-AD/PD associations in domestic animals, and provides guidance to generate domestic animal models of AD/PD to replace the current rodent models.


Alzheimer's Disease;Parkinson's Disease;microRNA;Domestic Animals;Homology


Supported by : Rural Development Administration (RDA), Chubgbuk National University


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