3072601 mPTP mitochondrial permeability transition pore 1792 1273962 MPT mitochondrial permeability transition 953 3555627 mtPTP mitochondrial permeability transition pore 34 1290766 MTP mitochondrial permeability transition pore 23 3900496 MPT pore mitochondrial permeability transition pore 5 2191521 mitoPTP mitochondrial permeability transition pore 3 1272622 MPP mitochondrial permeability transition pore 2