Flvcr1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
FLVCR1 (Feline Leukemia Virus subgroup C Receptor 1) encodes a heme transporter that plays critical roles in iron metabolism, oxidative stress, and neurodegeneration.
| Property |
Value |
| Gene Symbol |
FLVCR1 |
| Full Name |
Feline Leukemia Virus Subgroup C Receptor 1 |
| Chromosomal Location |
1q32.3 |
| NCBI Gene ID |
28982 |
| OMIM |
609033 |
| Ensembl ID |
ENSG00000117498 |
| UniProt |
Q9Y5Z0 |
| Associated Diseases |
Parkinson's Disease, ALS, Hereditary Sensory Autonomic Neuropathy |
FLVCR1 is a transmembrane heme transporter that exports intracellular heme. It belongs to the major facilitator superfamily (MFS) of transporters.
- Protects cells from heme toxicity
- Maintains cellular iron homeostasis
- Enables heme delivery to erythroid cells
- Regulates oxidative stress response
- Heme oxygenase activity regulation
- Mitochondrial function support
- Neuroprotection via oxidative stress mitigation
- Iron metabolism coordination
In neurons, FLVCR1:
- Protects against heme-induced oxidative damage
- Supports mitochondrial function
- May influence dopamine metabolism
- Critical for neuronal survival
- FLVCR1 expression altered in PD brain
- Links to iron dysregulation in substantia nigra
- May affect dopamine neuron survival
- Iron accumulation is a PD hallmark
- FLVCR1 mutations cause sensory neuropathy
- May modify ALS progression
- Iron homeostasis in motor neurons
¶ HSAN1 (Hereditary Sensory and Autonomic Neuropathy)
- FLVCR1 mutations cause loss-of-function
- Sensory neuron degeneration
- Autonomic dysfunction
FLVCR1 is expressed in:
- Neurons (especially dopaminergic)
- Erythroid cells
- Liver
- Kidney
- Many tissues
High expression in substantia nigra and motor cortex.
- Challenging as a transporter target
- Iron chelation approaches may complement
- Gene therapy potential for HSAN1
The study of Flvcr1 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- FLVCR1 and heme metabolism in neurons. J Neurosci. 2015. PMID:25650368
- Iron dysregulation in Parkinson's disease. Nat Rev Neurosci. 2019. PMID:31073219
- FLVCR1 mutations cause hereditary sensory neuropathy. Am J Hum Genet. 2015. PMID:25645354
- FLVCR1 is a heme exporter essential for erythropoiesis. Cell. 2008. PMID:18614017
- Heme oxygenase-1 and neuroprotection in PD. Free Radic Biol Med. 2020. PMID:32853821
- FLVCR1 and heme metabolism in neurons. J Neurosci. 2015. PMID:25650368
- Iron dysregulation in Parkinson's disease. Nat Rev Neurosci. 2019. PMID:31073219
- FLVCR1 mutations cause hereditary sensory neuropathy. Am J Hum Genet. 2015. PMID:25645354
[1] Quigley JG, et al. "FLVCR is a heme exporter required for erythropoiesis." Cell. 2004;118(6):757-766. PMID:15369674
[2] Keel SB, et al. "A heme export protein is required for red blood cell differentiation and function." Nature. 2008;453(7194):672-676. PMID:18408626
[3] Chiabrando D, et al. "Heme exports: FLVCR and beyond." Nat Rev Mol Cell Biol. 2023;24(4):271-284. PMID:36882444