We found the following 4 published projects which all share the keyword mutations in their description.

Title
Mitochondrial DNA mutations in upper GI cancers
Mitochondrial DNA, maintenance, disease and propagation
Modelling how cell division shapes the evolutionary dynamics of heteroplasmic mtDNA point mutations
Utilising Inherent Mitochondrial DNA-Induced Oxidative Phosphorylation Defects for Therapeutic Targeting in Colorectal Cancer