Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Armento, A; Merle, DA; Ueffing, M.
The Noncanonical Role of Complement Factor H in Retinal Pigment Epithelium (RPE) Cells and Implications for Age-Related Macular Degeneration (AMD).
Adv Exp Med Biol. 2023; 1415: 9-13.
Doi: 10.1007/978-3-031-27681-1_2
PubMed
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- Co-Autor*innen der Med Uni Graz
- Merle David Adrian
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- Abstract:
- Age-related macular degeneration (AMD) is a complex degenerative disease of the retina. Dysfunction of the retinal pigment epithelium (RPE) occurs in early stages of AMD, and progressive RPE atrophy leads to photoreceptor death and visual impairments that ultimately manifest as geographic atrophy (GA), one of the late-stage forms of AMD. AMD is caused by a combination of risk factors including aging, lifestyle choices, and genetic predisposition. A gene variant in the complement factor H gene (CFH) that leads to the Y402H polymorphism in the factor H protein (FH) confers the second highest risk for the development and progression of AMD. FH is a major negative regulator of the alternative pathway of the complement system, and the FH Y402H variant leads to increased complement activation, which is detectable in AMD patients. For this reason, various therapeutic approaches targeting the complement system have been developed, however, so far with very limited or no efficacy. Interestingly, recent studies suggest roles for FH beyond complement regulation. Here, we will discuss the noncanonical functions of FH in RPE cells and highlight the potential implications of those functions for future therapeutic approaches.
- Find related publications in this database (using NLM MeSH Indexing)
- Humans - administration & dosage
- Complement Factor H - genetics, metabolism
- Retinal Pigment Epithelium - administration & dosage
- Macular Degeneration - genetics, metabolism
- Complement Activation - genetics
- Genetic Predisposition to Disease - administration & dosage