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Target intelligence / Profile preview
Kruppel-like factor 1 (KLF1)
- Target
- KLF1
- Molecular classification
- Transcription factor, Zinc finger protein
01
Overview
KLF1 is a hematopoietic-specific transcription factor essential for erythropoiesis. It regulates the expression of numerous genes involved in red blood cell development, including the β-globin gene and BCL11A. Mutations in KLF1 can cause congenital dyserythropoietic anemia type IV. Modulating its activity is being explored as a therapeutic strategy for hemoglobinopathies.
- Other names
- EKLFErythroid Krüppel-Like FactorKrueppel-like factor 1
02
Mechanism of action
KLF1 binds to CACCC motifs in the promoter regions of target genes, regulating their transcription. It can act as both an activator and repressor, depending on the context and interacting co-factors. It also modulates BCL11A expression which indirectly affects gamma-globin expression.
03
Biological functions
Erythropoiesis regulationGlobin switchingTranscriptional regulation
04
Disease associations
Congenital dyserythropoietic anemia type IVBeta-thalassemiaSickle cell diseaseAnemia
05
Safety considerations
Off-target effects on other KLF family membersPotential for disrupting normal erythropoiesisUnpredictable effects on other cellular processesPost-translational modifications can impact functionalityChromatin-remodeling function may impact other regulatory processes
06
Biomarkers
Fetal hemoglobin levelsKLF1 expression levelsErythroblast morphologyBeta-globin expression
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