An examination of Kyoto Encyclopedia of Genes and Genomes Pathway (KEGG) enrichment analysis results (Figures S4–S6 in Supplemental Material S6, and Table S14) revealed that pathway enrichments in NPC cluster 1 versus 3 were related to “Ribosome”, “Coronavirus disease_COVID_19”, “Systemic lupus erythematosus”, “Neutrophil extracellular trap formation”, and “Alcoholism”. Here, NPC1 is linked to systemic lupus erythematosus.