Published examples where mixOmics has been successfully applied to single-omics proteomics

Can the mixOmics R package be effectively applied to single-omics datasets (e.g., proteomics) in clinical studies where sample groups are heterogeneous and exhibit unequal sample sizes across conditions?

Are there published examples where mixOmics has been successfully applied to single-omics proteomics data in heterogeneous clinical cohorts, particularly with unequal group sizes