Regulation of mitochondrial ATP production: Ca2+ signaling and quality control

L Boyman, M Karbowski, WJ Lederer - Trends in molecular medicine, 2020 - cell.com
Cardiac ATP production primarily depends on oxidative phosphorylation in mitochondria
and is dynamically regulated by Ca 2+ levels in the mitochondrial matrix as well as by …

MICOS assembly controls mitochondrial inner membrane remodeling and crista junction redistribution to mediate cristae formation

T Stephan, C Brüser, M Deckers, AM Steyer… - The EMBO …, 2020 - embopress.org
Mitochondrial function is critically dependent on the folding of the mitochondrial inner
membrane into cristae; indeed, numerous human diseases are associated with aberrant …

[HTML][HTML] SSBP1 mutations cause mtDNA depletion underlying a complex optic atrophy disorder

V Del Dotto, F Ullah, I Di Meo, P Magini… - The Journal of …, 2020 - Am Soc Clin Investig
Inherited optic neuropathies include complex phenotypes, mostly driven by mitochondrial
dysfunction. We report an optic atrophy spectrum disorder, including retinal macular …

Tunneling nanotubes and the eye: intercellular communication and implications for ocular health and disease

HR Chinnery, KE Keller - BioMed Research International, 2020 - Wiley Online Library
Cellular communication is an essential process for the development and maintenance of all
tissues including the eye. Recently, a new method of cellular communication has been …

[HTML][HTML] Calcium mishandling in absence of primary mitochondrial dysfunction drives cellular pathology in Wolfram Syndrome

C La Morgia, A Maresca, G Amore, LL Gramegna… - Scientific reports, 2020 - nature.com
Wolfram syndrome (WS) is a recessive multisystem disorder defined by the association of
diabetes mellitus and optic atrophy, reminiscent of mitochondrial diseases. The role played …

Idebenone increases chance of stabilization/recovery of visual acuity in OPA1‐dominant optic atrophy

M Romagnoli, C La Morgia… - Annals of clinical …, 2020 - Wiley Online Library
We previously documented that idebenone treatment in OPA1‐Dominant Optic Atrophy
(OPA1‐DOA) led to some degrees of visual improvement in seven patients. We here present …

ATPase Domain AFG3L2 Mutations Alter OPA1 Processing and Cause Optic Neuropathy

L Caporali, S Magri, A Legati, V Del Dotto… - Annals of …, 2020 - Wiley Online Library
Objective Dominant optic atrophy (DOA) is the most common inherited optic neuropathy,
with a prevalence of 1: 12,000 to 1: 25,000. OPA1 mutations are found in 70% of DOA …

Metabolomics hallmarks OPA1 variants correlating with their in vitro phenotype and predicting clinical severity

JM Chao de la Barca, M Fogazza… - Human molecular …, 2020 - academic.oup.com
Abstract Interpretation of variants of uncertain significance is an actual major challenge. We
addressed this question on a set of OPA1 missense variants responsible for variable …

[HTML][HTML] Opa1 deficiency leads to diminished mitochondrial bioenergetics with compensatory increased mitochondrial motility

S Sun, I Erchova, F Sengpiel… - … Ophthalmology & Visual …, 2020 - arvojournals.org
Purpose: Retinal ganglion cells (RGCs) are susceptible to mitochondrial deficits and also
the major cell type affected in patients with mutations in the OPA1 gene in autosomal …

Drug repositioning as a therapeutic strategy for neurodegenerations associated with OPA1 mutations

SJ Aleo, V Del Dotto, M Fogazza… - Human Molecular …, 2020 - academic.oup.com
OPA1 mutations are the major cause of dominant optic atrophy (DOA) and the syndromic
form DOA plus, pathologies for which there is no established cure. We used a 'drug …