New coating protects mitochondria's energy production
Researchers developed a metal-organic framework coating for mitochondria that leaves their energy-producing function intact. The approach could support future efforts to transplant healthy mitochondria into damaged cells, though its effectiveness for transplantation has not yet been demonstrated.
The work emerged from a joint laboratory launched in 2023 by a neurological institute and a Milan polytechnic, pairing mitochondrial biology with materials chemistry. It appeared in the Journal of the American Chemical Society. Metal-organic frameworks, recognized by the 2025 Nobel Prize in Chemistry, can be designed with varied properties.
By applying very small quantities of this material to the organelle's exterior, researchers showed the treated mitochondria still generated energy. Mitochondrial disorders often strike energy-hungry tissues such as brain and muscle, and treatment choices are scarce. Scientists hope tailored coatings might someday assist experimental mitochondrial transplantation, but that use remains unproven.
People with mitochondrial diseases, often rare and affecting brain or muscle, could benefit if future therapies move from lab to clinic. Families and clinicians may gain new research directions, but near-term impact likely limited because transplantation effectiveness is unproven. The coating approach may also interest materials scientists and transplant researchers, potentially shaping how engineered particles interact with delicate cells. It is too early to promise treatments.