Zanuttigh, E. ; Derderian, K. ; Güra, M. ; Geerlof, A. ; Di Meo, I.* ; Cavestro, C.* ; Hempfling, S. ; Ortiz Collazos, S. ; Mauthe, M.* ; Kmiec, T.* ; Cammarota, E.* ; Panzeri, M.C.* ; Klopstock, T.* ; Sattler, M. ; Winkelmann, J. ; Messias, A.C. ; Iuso, A.
Identification of autophagy as a functional target suitable for the pharmacological treatment of mitochondrial membrane protein-associated neurodegeneration (MPAN) in vitro.
Pharmaceutics 15:19 (2023)
Mitochondrial membrane protein-associated neurodegeneration (MPAN) is a relentlessly progressive neurodegenerative disorder caused by mutations in the C19orf12 gene. C19orf12 has been implicated in playing a role in lipid metabolism, mitochondrial function, and autophagy, however, the precise functions remain unknown. To identify new robust cellular targets for small compound treatments, we evaluated reported mitochondrial function alterations, cellular signaling, and autophagy in a large cohort of MPAN patients and control fibroblasts. We found no consistent alteration of mitochondrial functions or cellular signaling messengers in MPAN fibroblasts. In contrast, we found that autophagy initiation is consistently impaired in MPAN fibroblasts and show that C19orf12 expression correlates with the amount of LC3 puncta, an autophagy marker. Finally, we screened 14 different autophagy modulators to test which can restore this autophagy defect. Amongst these compounds, carbamazepine, ABT-737, LY294002, oridonin, and paroxetine could restore LC3 puncta in the MPAN fibroblasts, identifying them as novel potential therapeutic compounds to treat MPAN. In summary, our study confirms a role for C19orf12 in autophagy, proposes LC3 puncta as a functionally robust and consistent readout for testing compounds, and pinpoints potential therapeutic compounds for MPAN.
Impact Factor
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Times Cited
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Altmetric
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Abt-737 ; C19orf12 ; Lc3 ; Ly294002 ; Autophagy ; Carbamazepine ; Mitochondria Membrane Protein-associated Neurodegeneration (mpan) ; Neurodegeneration With Brain Iron Accumulation (nbia) ; Oridonin ; Paroxetine; Patient
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2023
Prepublished im Jahr
0
HGF-Berichtsjahr
2023
ISSN (print) / ISBN
1999-4923
e-ISSN
1999-4923
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 15,
Heft: 1,
Seiten: ,
Artikelnummer: 19
Supplement: ,
Reihe
Verlag
MDPI
Verlagsort
St Alban-anlage 66, Ch-4052 Basel, Switzerland
Tag d. mündl. Prüfung
0000-00-00
Betreuer
Gutachter
Prüfer
Topic
Hochschule
Hochschulort
Fakultät
Veröffentlichungsdatum
0000-00-00
Anmeldedatum
0000-00-00
Anmelder/Inhaber
weitere Inhaber
Anmeldeland
Priorität
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30205 - Bioengineering and Digital Health
30203 - Molecular Targets and Therapies
Forschungsfeld(er)
Genetics and Epidemiology
Enabling and Novel Technologies
PSP-Element(e)
G-503200-001
G-503292-001
G-503000-001
Förderungen
NBIA Disorders Association
NBIA Poland
Euro-BioImaging Italian Fund
Hoffnungsbaum e.V.
NBIA Suisse
Million Dollar Bike Ride program
Copyright
Erfassungsdatum
2023-01-24