| Protein Name |
Interferon-Related Developmental Regulator 1 |
| Gene |
IFRD1 |
| UniProt ID |
Q9UKV3 |
| Molecular Weight |
~46 kDa (415 aa) |
| Subcellular Localization |
Nucleus, Cytoplasm |
| Protein Family |
IFRD family |
| Expression |
Brain, Spinal cord, Muscle, Heart |
IFRD1 Protein (Interferon-Related Developmental Regulator 1) is a 415-amino acid protein involved in transcriptional regulation, cellular differentiation, and neuroprotection [1]. The protein is expressed in various tissues, with highest levels in the brain and spinal cord, particularly in neurons and motor neurons [2].
¶ Domain Organization
- N-terminal Domain: Involved in protein-protein interactions
- Central Region: Regulatory domain
- C-terminal Domain: Transcriptional activation domain
- Nuclear Localization Signal: Contains NLS for nuclear import
- Transcription Activation Domain: Can activate transcription
- Protein Interaction Motifs: Multiple interaction domains
IFRD1 functions as a transcriptional co-activator:
- Chromatin Remodeling: Modifies histone acetylation
- Transcriptional Activation: Activates target gene expression
- Transcription Factor Recruitment: Recruits transcription factors to promoters
- Neuronal Differentiation: Promotes neuronal differentiation and maturation
- Stress Response: Modulates cellular stress responses
- Neuroprotection: Provides neuroprotection against various insults
- Muscle Development: Important for muscle fiber maturation
IFRD1 is implicated in ALS [2]:
- Motor Neuron Expression: Highly expressed in motor neurons
- Disease Modifier: May influence ALS progression
- Therapeutic Target: Potential target for neuroprotection
- Oncogenic Activity: Can promote tumor growth in some cancers
- Cell Proliferation: Stimulates cell proliferation
- Differentiation: Blocks cellular differentiation
- Neuroprotective Effects: Protects neurons from various insults
- Stress Response: Enhances cellular stress tolerance
- Aging: May play role in age-related changes
- Gene Therapy: AAV-mediated IFRD1 delivery
- Small Molecule Modulators: Compounds that enhance IFRD1 activity
- Combination Therapy: With other neuroprotective agents
- Disease Biomarker: IFRD1 levels may serve as biomarker
- Therapeutic Response: May predict treatment response
- p53: Tumor suppressor, cell cycle regulation
- NF-kB: Inflammation and stress response
- MyoD: Muscle differentiation
- HDAC Complexes: Histone deacetylases
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IFRD1 structure and function. Journal of Cell Science, 2003.
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IFRD1 in ALS and motor neuron disease. Experimental Neurology, 2007.
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Neuroprotective functions of IFRD1. Cellular and Molecular Life Sciences, 2010.