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Erschienen in: Der Ophthalmologe 8/2005

01.08.2005 | Leitthema

Überlebensfaktoren in der Therapie erblicher Netzhautdegenerationen

verfasst von: MD R. Frigg, A. Wenzel, C. Grimm, C. E. Remé

Erschienen in: Die Ophthalmologie | Ausgabe 8/2005

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Zusammenfassung

In genetisch bedingten Netzhautdystrophien sterben die Photorezeptoren durch Apoptose. Dies ist ein Prozess, dem komplexe molekulare Abläufe zugrunde liegen und der iniziiert wird, wenn proapoptotische Signale in der individuellen Zelle die Oberhand gewinnen. Die Identifizierung der beteiligten Faktoren und deren Wirkungen schuf die Basis dafür, diejenigen mit antiapoptotischem Potenzial in Tiermodellen für vererbte Netzhautdegenerationen auszutesten. Etliche dieser Faktoren waren in der Lage, den Gang der Degeneration zu verlangsamen. Ein Aufhalten oder gar ein Verhindern des Krankheitsverlaufs ist jedoch bis dato nicht realisiert. Zudem zeigte sich, dass der Erhalt der Morphologie nicht mit dem Erhalt der Funktion im ERG korrelieren muss. Vertiefte Einsichten in die pro- und antiapoptotischen Netzwerke sind klar vonnöten, damit antiapoptotische Therapien mit Überlebensfaktoren den Weg zur Applikation beim Menschen finden. Im Vergleich dazu konnte in einem Hundemodell für Leber-Amaurose durch elektive Gentherapie die retinale Funktion hergestellt und somit der Nachweis der Wirksamkeit der Methode erbracht werden.
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Metadaten
Titel
Überlebensfaktoren in der Therapie erblicher Netzhautdegenerationen
verfasst von
MD R. Frigg
A. Wenzel
C. Grimm
C. E. Remé
Publikationsdatum
01.08.2005
Verlag
Springer-Verlag
Erschienen in
Die Ophthalmologie / Ausgabe 8/2005
Print ISSN: 2731-720X
Elektronische ISSN: 2731-7218
DOI
https://doi.org/10.1007/s00347-005-1244-0

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