Mutations in mitochondrial DNA (mtDNA) associate with various disease states. A few mtDNA mutations strongly associate with diabetes.

References

Maassen, J. Antonie, et. al. “Mitochondrial Diabetes,” Diabetes 2004 Feb; 53(suppl 1): S103-S109. https://doi.org/10.2337/diabetes.53.2007.S103. https://diabetes.diabetesjournals.org/content/53/suppl_1/S103 (accessed on 8/2/2020).

Sivitz, William I., and Mark A. Yorek. “Mitochondrial Dysfunction in Diabetes,” Antioxid Redox Signal. 2010 Feb 15; 12(4): 537–577. doi: 10.1089/ars.2009.2531. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2824521/ (accessed on 8/2/2020).