Columbia University
The investigators are studying patients with undefined mitochondrial diseases to identify genetic mutations in nuclear or mitochondrial Deoxyribonucleic Acid (DNA). Most patients with suspected or known mitochondrial diseases have no genetic confirmation. The investigators expect that evaluating tissue samples from patients with mitochondrial disorders will lead us to discover mutations in new or known genes causing mitochondrial dysfunction.
Presently, the investigators know of about 200 mitochondrial disorders. The investigators know that there are about 1,300 genes responsible for mitochondrial function. Thus, there are a lot of mutated genes to be discovered out there. Currently, most patients with suspected or known mitochondrial disorders do not have genetic confirmation of the disease. The goal of this project is to perform biochemical and DNA analysis on tissue samples of patients with mitochondrial disorders to find new genes that might be involved in mitochondrial dysfunction. Leftover patient tissue samples will be obt…
Inclusion Criteria: * Patients suspected of having a mitochondrial disorder * Patients who may carry a genetic mutation or be related to someone with a genetic mutation which may cause a mitochondrial disorder Exclusion Criteria: * Patients who are not suspected of having a mitochondrial disorder
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