Out of 319 KEGG 2019 tested pathways, in the top 40-most visited pathways from the 3 tissue categories mentioned above, PI3K-Akt signaling pathway, MAPK signaling pathway, Calcium signaling pathway, cAMP signaling pathway, Apoptosis, AMPK signaling pathway, and Insulin signaling pathway were found common among the neuronal, peripheral blood and fibroblast “ataxia” datasets. The gene discussed is INS; the disease is Ataxia.