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  3. FGFR1

FGFR1 (Fibroblast growth factor receptor 1)

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Summary of FGFR1

This gene encodes a protein that plays a role in cell division, cell growth, and the formation of blood vessels and embryos. Mutations can cause many different disorders and cancer (R).

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The Function of FGFR1

Tyrosine-protein kinase that acts as cell-surface receptor for fibroblast growth factors and plays an essential role in the regulation of embryonic development, cell proliferation, differentiation and migration. Required for normal mesoderm patterning and correct axial organization during embryonic development, normal skeletogenesis and normal development of the gonadotropin-releasing hormone (GnRH) neuronal system. Phosphorylates PLCG1, FRS2, GAB1 and SHB. Ligand binding leads to the activation of several signaling cascades. Activation of PLCG1 leads to the production of the cellular signaling molecules diacylglycerol and inositol 1,4,5-trisphosphate. Phosphorylation of FRS2 triggers recruitment of GRB2, GAB1, PIK3R1 and SOS1, and mediates activation of RAS, MAPK1/ERK2, MAPK3/ERK1 and the MAP kinase signaling pathway, as well as of the AKT1 signaling pathway. Promotes phosphorylation of SHC1, STAT1 and PTPN11/SHP2. In the nucleus, enhances RPS6KA1 and CREB1 activity and contributes to the regulation of transcription. FGFR1 signaling is down-regulated by IL17RD/SEF, and by FGFR1 ubiquitination, internalization and degradation.

Protein names

Recommended name:

Fibroblast growth factor receptor 1

Short name:

BFGFR

Alternative name(s):

FGFR-1
Basic fibroblast growth factor receptor 1
bFGF-R-1
Fms-like tyrosine kinase 2
FLT-2
N-sam
Proto-oncogene c-Fgr
CD antigen CD331

FGFR1 SNPs

    To see your genotype, you should be logged in and have a file with your genotype uploaded.

  1. RS13317 (FGFR1) ??
  2. RS6996321 (FGFR1) ??
  3. RS7012413 (FGFR1) ??

Top Gene-Substance Interactions

FGFR1 Interacts with These Diseases

Disease Score

Substances That Increase FGFR1

Substances Interaction Organism Category

Substances That Decrease FGFR1

Substances Interaction Organism Category

Advanced Summary

     8p11 myeloproliferative syndrome The FGFR1 gene is involved in a type of blood cancer called 8p11 myeloproliferative syndrome. This condition is characterized by an increased number of white blood cells (myeloproliferative disorder) and the development of lymphoma, a blood-related cancer that causes tumor formation in the lymph nodes. The myeloproliferative disorder usually develops into another form of blood cancer called acute myeloid leukemia. 8p11 myeloproliferative syndrome results from a rearrangement (translocation) of genetic material between chromosome 8 and another chromosome, which fuses part of the FGFR1 gene with part of another gene from the other chromosome. The most common partner gene is ZMYM2 on chromosome 13. These translocations are found only in cancer cells. Regardless of the partner gene, the protein produced from the fused gene turns on FGFR1 signaling without the need for stimulation from growth factors. The uncontrolled signaling promotes continuous cell growth and division, leading to cancer. Kallmann syndrome Researchers have identified more than 40 FGFR1 gene mutations that cause Kallmann syndrome type 2, which is a condition characterized by delayed or absent puberty and an impaired sense of smell. These mutations change single protein building blocks (amino acids) in the FGFR1 protein or result in the production of an abnormally small, nonfunctional version of the protein. Because these mutations prevent the FGFR1 protein from transmitting signals properly, they are described as "loss-of-function" mutations. During brain development, the altered FGFR1 protein disrupts the formation and movement (migration) of nerve cells that process smells (olfactory neurons). These neurons must come together into a bundle called the olfactory bulb for a person to perceive odors. Problems with the migration of nerve cells into the olfactory bulb underlie the impaired sense of smell in people with Kallmann syndrome. FGFR1 gene mutations also disrupt the migration of nerve cells that produce gonadotropin-releasing hormone (GnRH) in the developing brain. GnRH controls the production of several other hormones that direct sexual development before birth and during puberty. An altered FGFR1 protein prevents the normal migration of GnRH-producing nerve cells in the brain, which interferes with sexual development and causes puberty to be delayed or absent. It is unclear how FGFR1 gene mutations lead to other signs and symptoms of Kallmann syndrome, including an opening in the roof of the mouth (a cleft palate) and abnormal tooth development. Because the features of this condition vary among individuals, researchers suspect that other genetic and environmental factors may be involved. osteoglophonic dysplasia Several mutations in the FGFR1 gene can cause a rare condition called osteoglophonic dysplasia. This condition is characterized by abnormal bone growth that leads to head and face (craniofacial) abnormalities and dwarfism. FGFR1 gene mutations that cause osteoglophonic dysplasia change single amino acids in the FGFR1 protein. The altered FGFR1 protein appears to cause prolonged signaling, which promotes premature fusion of bones in the skull and disrupts the regulation of bone growth in the arms and legs, leading to craniofacial abnormalities and shortened limbs. Because the FGFR1 gene mutations that cause osteoglophonic dysplasia abnormally enhance FGFR1 signaling, they are described as "gain-of-function" mutations. Pfeiffer syndrome Another gain-of-function mutation in the FGFR1 gene causes type 1 Pfeiffer syndrome. This condition is characterized by premature fusion of certain bones in the skull (craniosynostosis), which leads to a misshapen head and distinctive facial features. Affected individuals also have hand and foot abnormalities. The FGFR1 gene mutation that causes this condition changes a single amino acid in the FGFR1 protein: the amino acid proline is replaced with the amino acid arginine at protein position 252 (written as Pro252Arg). The altered FGFR1 protein appears to cause prolonged signaling, which promotes early fusion of the skull bones and affects the development of bones in the hands and feet. cancers Alterations in the activity (expression) of the FGFR1 gene are associated with certain cancers. The altered gene expression may enhance several cancer-related events such as cell division, cell movement, and the development of new blood vessels that nourish a growing tumor. The FGFR1 gene is abnormally active (overexpressed) in certain types of stomach and prostate cancers. This amplification is associated with tumor progression and a poorer outcome. Altered FGFR1 gene expression has also been found in pancreatic, esophageal, ovarian, testicular, breast, and head and neck cancers.

     The FGFR1 gene provides instructions for making a protein called fibroblast growth factor receptor 1. This protein is one of four fibroblast growth factor receptors, which are related proteins that are involved in important processes such as cell division, regulation of cell growth and maturation, formation of blood vessels, wound healing, and embryonic development. The FGFR1 protein spans the cell membrane, so that one end of the protein remains inside the cell and the other end projects from the outer surface of the cell. This positioning allows the FGFR1 protein to interact with other proteins called fibroblast growth factors outside the cell and to receive signals that help the cell respond to its environment. When a fibroblast growth factor attaches to the FGFR1 protein, the receptor triggers a cascade of chemical reactions inside the cell that instruct the cell to undergo certain changes, such as maturing to take on specialized functions. The FGFR1 protein is thought to play an important role in the development of the nervous system. This protein may also help regulate the growth of long bones, such as the large bones in the arms and legs.

Conditions with Increased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Conditions with Decreased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Technical

The following transcription factors affect gene expression:

  • CREB
  • deltaCREB
  • Nkx2-5
  • Sp1
  • Pax-2

Tissue specificity:

Detected in astrocytoma, neuroblastoma and adrenal cortex cell lines. Some isoforms are detected in foreskin fibroblast cell lines, however isoform 17, isoform 18 and isoform 19 are not detected in these cells.

Gene Pathways:

  • Disease
  • Immune System
  • MAPK signaling pathway
  • Melanoma
  • Pathways in cancer
  • Regulation of actin cytoskeleton
  • Signal Transduction
  • Adherens junction
  • Prostate cancer

Enzyme Regulation:

Present in an inactive conformation in the absence of bound ligand. Ligand binding leads to dimerization and activation by sequential autophosphorylation on tyrosine residues. Inhibited by ARQ 069; this compound maintains the kinase in an inactive conformation and inhibits autophosphorylation. Inhibited by PD173074.

Molecular Function:

  • 1-Phosphatidylinositol-3-Kinase Activity
  • Atp Binding
  • Fibroblast Growth Factor-Activated Receptor Activity
  • Fibroblast Growth Factor Binding
  • Heparin Binding
  • Identical Protein Binding
  • Phosphatidylinositol-4,5-Bisphosphate 3-Kinase Activity
  • Protein Homodimerization Activity
  • Protein Tyrosine Kinase Activity
  • Ras Guanyl-Nucleotide Exchange Factor Activity
  • Glycoprotein Binding

Biological Processes:

  • Angiogenesis
  • Auditory Receptor Cell Development
  • Branching Involved In Salivary Gland Morphogenesis
  • Cell Maturation
  • Chondrocyte Differentiation
  • Chordate Embryonic Development
  • Embryonic Limb Morphogenesis
  • Fibroblast Growth Factor Receptor Signaling Pathway
  • Fibroblast Growth Factor Receptor Signaling Pathway Involved In Orbitofrontal Cortex Development
  • Inner Ear Morphogenesis
  • In Utero Embryonic Development
  • Lung-Associated Mesenchyme Development
  • Mapk Cascade
  • Mesenchymal Cell Differentiation
  • Midbrain Development
  • Middle Ear Morphogenesis
  • Negative Regulation Of Fibroblast Growth Factor Production
  • Negative Regulation Of Transcription From Rna Polymerase Ii Promoter
  • Neuron Migration
  • Organ Induction
  • Outer Ear Morphogenesis
  • Paraxial Mesoderm Development
  • Peptidyl-Tyrosine Phosphorylation
  • Phosphatidylinositol-Mediated Signaling
  • Positive Regulation Of Cardiac Muscle Cell Proliferation
  • Positive Regulation Of Cell Proliferation
  • Positive Regulation Of Endothelial Cell Chemotaxis To Fibroblast Growth Factor
  • Positive Regulation Of Mapk Cascade
  • Positive Regulation Of Map Kinase Activity
  • Positive Regulation Of Mapkkk Cascade By Fibroblast Growth Factor Receptor Signaling Pathway
  • Positive Regulation Of Mesenchymal Cell Proliferation
  • Positive Regulation Of Mitotic Cell Cycle Dna Replication
  • Positive Regulation Of Neuron Differentiation
  • Positive Regulation Of Neuron Projection Development
  • Positive Regulation Of Parathyroid Hormone Secretion
  • Positive Regulation Of Phosphatidylinositol 3-Kinase Signaling
  • Positive Regulation Of Phospholipase Activity
  • Positive Regulation Of Phospholipase C Activity
  • Protein Autophosphorylation
  • Protein Phosphorylation
  • Regulation Of Branching Involved In Salivary Gland Morphogenesis By Mesenchymal-Epithelial Signaling
  • Regulation Of Cell Differentiation
  • Regulation Of Extrinsic Apoptotic Signaling Pathway In Absence Of Ligand
  • Regulation Of Lateral Mesodermal Cell Fate Specification
  • Regulation Of Phosphatidylinositol 3-Kinase Signaling
  • Sensory Perception Of Sound
  • Skeletal System Development
  • Skeletal System Morphogenesis
  • Transcription, Dna-Templated
  • Ureteric Bud Development
  • Vacuolar Phosphate Transport
  • Ventricular Zone Neuroblast Division
  • Vitamin D3 Metabolic Process
  • Motogenic Signaling Involved In Postnatal Olfactory Bulb Interneuron Migration
  • Negative Regulation Of Osteoblast Differentiation
  • Neuron Projection Development
  • Positive Regulation Of Cell Cycle
  • Regulation Of Sensory Perception Of Pain
  • Regulation Of Stem Cell Proliferation
  • Stem Cell Population Maintenance

Drug Bank:

  • Palifermin
  • Nintedanib
  • Ponatinib
  • Regorafenib
  • Lenvatinib
  • Sorafenib
*synonyms

Synonyms/Aliases/Alternative Names of the Gene:

hypothetical protein| AS27_08367| basic fibroblast growth factor receptor 1| bfgfr| bFGF-R| bFGF-R-1| CB1_000667017| CD331| CEK| cek1 protein| c-fgr| D623_10030481| Eask| ECCL| EGK_18861| fgfbr| Fgfr-1| fgfr1-a| fgfr1-b| fgfr1 IIIb VT-| fgfr1 IIIb VT+| FGFR1IIIC| fgfr1 IIIc VT-| FGFR1/PLAG1 fusion| FGF receptor| FGF receptor-1| FGFRI| FGFR-I| Fibroblast growth factor receptor-1| fibroblast growth factor receptor 1 (fms-related tyrosine kinase 2, Pfeiffer syndrome)| fibroblast growth factor receptor 1 IIIb| Fibroblast growth factor receptor 1 IIIb VT- isoform| Fibroblast growth factor receptor 1 IIIb VT+ isoform| fibroblast growth factor receptor 1 IIIc| fibroblast growth factor receptor 1-IIIc| Fibroblast growth factor receptor 1 IIIc VT- isoform| fibroblast growth factor receptor 1 isoform 2 precursor isoform 1-like protein| fibroblast growth factor receptor homolog 1| FLG| FLG-1| FLT2| FLT-2| FMS-like tyrosine kinase 2| fms-related tyrosine kinase 2| GW7_01225| H920_01550| HBGFR| heparin-binding growth factor receptor| HH2| HRTFDS| Hspy| hydroxyaryl-protein kinase| I79_004031| ibroblast growth factor receptor 1 (fms-related tyrosine kinase 2, Pfeiffer syndrome)| KAL2| M91_19850| M959_07323| MDA_GLEAN10024922| MFR| MFR1| N300_03125| N302_03452| N303_05438| N307_07611| N309_10374| N-SAM| ogd| PAL_GLEAN10021565| PANDA_014767| proto-oncogene c-Fgr| PsFGFR1| TREES_T100003677| tyrosine kinase receptor CEK1| X1FGFR| xfgfr1| XFGFR-1| Y1Q_031052| Y956_10083| fgfr1

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