Zusammenfassung
Die Typ-1-Interferonopathien stellen eine Gruppe genetisch bedingter seltener Erkrankungen dar, die durch eine Fehlfunktion des angeborenen Immunsystems hervorgerufen werden. Gemeinsames Kennzeichen ist eine Dysregulation der antiviralen Typ-1-Interferon(IFN)-Achse, die zu einer konstitutiven Typ-1-IFN-Aktivierung führt. Als systemisch-entzündliche Erkrankungen ist das klinische Spektrum der Typ-1-Interferonopathien sehr breit und sowohl durch Autoinflammation als auch durch Autoimmunität gekennzeichnet. Hierbei stehen neurologische und kutane Manifestationen im Vordergrund. Pathogenetisch liegen den Typ-1-Interferonopathien Störungen im Metabolismus und in der immunologischen Erkennung von intrazellulären Nukleinsäuren zugrunde. Unser derzeitiges Verständnis der molekularen Pathogenese der Typ-1-Interferonopathien weist darauf hin, dass eine immunmodulatorische Intervention, die der inadäquaten Typ-1-IFN-Aktvierung entgegenwirkt, therapeutisch wirksam sein könnte.
Abstract
Type 1 interferonopathies represent a group of genetically determined rare diseases caused by defects of the innate immune system. Central to all type 1 interferonopathies is a dysregulation of the antiviral type 1 interferon (IFN) axis, which results in constitutive overproduction of type 1 IFN. All type 1 interferonopathies present as systemic inflammatory disorders characterized by autoinflammation and autoimmunity. Although the clinical spectrum is highly variable and broad, neurological and cutaneous manifestations represent the most salient findings. Chronic type 1 IFN activation is due to defects in pathways affecting the metabolism or the immune recognition of intracellular nucleic acids. The current understanding of the molecular mechanisms underlying type 1 interferonopathies indicates that an immunomodulatory intervention targeting the type 1 IFN axis might be of therapeutic value.
Abbreviations
- ADAR:
-
„adenosine deaminase, RNA-specific“
- AGS:
-
Aicardi-Goutières-Syndrom
- CANDLE:
-
„chronic atypical neutrophilic dermatosis with lipodystrophy and elevated temperature“
- cGAMP:
-
„cyclic GMP-AMP“
- cGAS:
-
„cyclic GMP-AMP synthase“
- dNTP:
-
Desoxynukleosidtriphosphat
- dsRNA:
-
doppelsträngige RNA
- ESPED:
-
Erhebungseinheit für seltene pädiatrische Erkrankungen in Deutschland
- IFIH1:
-
„interferon induced with helicase C domain 1“
- IFN:
-
Interferon
- IFNAR:
-
„interferon-alpha receptor“
- IFNB:
-
Interferon-β-Gen
- IRF:
-
„interferon regulatory factor“
- ISG15:
-
„interferon-stimulated protein 15“
- JAK:
-
Januskinase
- MAVS:
-
„mitochondrial antiviral signaling protein“
- MDA5:
-
„melanoma differentiation-associated gene 5“
- MHC:
-
„major histocompatibility complex“
- NF-κB:
-
„nuclear factor ‚kappa-light-chain-enhancer‘ of activated B-cells“
- RIG-I:
-
„retinoic acid-inducible gene 1“
- RNASEH2:
-
„ribonuclease H2“
- RVCL:
-
„retinal vasculopathy with cerebral leukodystrophy“
- SAMHD1:
-
„SAM domain and HD domain-containing protein 1“
- SAVI:
-
„STING-associated vasculopathy, infantile-onset“
- SLE:
-
systemischer Lupus erythematodes
- SPENCD:
-
Spondyloenchondrodysplasie
- ssDNA:
-
einzelsträngige DNA
- STAT:
-
„signal transducers and activators of transcription“
- STING:
-
„stimulator of interferon genes“
- TLR:
-
„toll-like receptor“
- TMEM173:
-
„transmembrane protein 173“
- TRAP:
-
tartratresistente saure Phosphatase 5
- TREX1:
-
“3‘ repair exonuclease 1“
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Interessenkonflikt. M. Diesterheft, M. Schuster, A. Rösen-Wolff, R. Berner, V. Tüngler, M. Lee-Kirsch geben an, dass kein Interessenkonflikt besteht.
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Diesterheft, M., Schuster, M., Rösen-Wolff, A. et al. Klinische Symptome und Pathogenese der Typ-1-Interferonopathien. Monatsschr Kinderheilkd 163, 1260–1268 (2015). https://doi.org/10.1007/s00112-015-3478-5
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DOI: https://doi.org/10.1007/s00112-015-3478-5
Schlüsselwörter
- Autoinflammation
- Autoimmunität
- Aicardi-Goutières-Syndrom
- Familiärer „Chilblain“-Lupus
- Systemischer Lupus erythematodes