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Protein FLT1 PDB 1flt.png
Available structures
PDBOrtholog search: PDBe RCSB
AliasesFLT1, FLT, FLT-1, VEGFR-1, VEGFR1, fms related tyrosine kinase 1, vascular endothelial growth factor receptor 1, fms related receptor tyrosine kinase 1
External IDsOMIM: 165070 MGI: 95558 HomoloGene: 134179 GeneCards: FLT1
Gene location (Human)
Chromosome 13 (human)
Chr.Chromosome 13 (human)[1]
Chromosome 13 (human)
Genomic location for FLT1
Genomic location for FLT1
Band13q12.3Start28,300,346 bp[1]
End28,495,145 bp[1]
RNA expression pattern
PBB GE FLT1 222033 s at fs.png
More reference expression data
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC)Chr 13: 28.3 – 28.5 MbChr 5: 147.56 – 147.73 Mb
PubMed search[3][4]
View/Edit HumanView/Edit Mouse

Vascular endothelial growth factor receptor 1 is a protein that in humans is encoded by the FLT1 gene.[5]


Oncogene FLT belongs to the src gene family and is related to oncogene ROS (MIM 165020). Like other members of this family, it shows tyrosine protein kinase activity that is important for the control of cell proliferation and differentiation. The sequence structure of the FLT gene resembles that of the FMS gene (MIM 164770); hence, Yoshida et al. (1987) proposed the name FLT as an acronym for FMS-like tyrosine kinase.[6]

The ablation of VEGFR1 by chemical and genetic means has also recently been found to augment the conversion of white adipose tissue to brown adipose tissue as well as increase brown adipose angiogenesis in mice.[7]

Functional genetic variation in FLT1 (rs9582036) has been found to affect non-small cell lung cancer survival.[8]


FLT1 has been shown to interact with PLCG1[9] and vascular endothelial growth factor B (VEGF-B).[10][11]

See also[edit]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000102755 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000029648 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Shibuya M, Yamaguchi S, Yamane A, Ikeda T, Tojo A, Matsushime H, Sato M (April 1990). "Nucleotide sequence and expression of a novel human receptor-type tyrosine kinase gene (flt) closely related to the fms family". Oncogene. 5 (4): 519–24. PMID 2158038.
  6. ^ "Entrez Gene: FLT1 fms-related tyrosine kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor)".
  7. ^ Seki T, Hosaka K, Fischer C, Lim S, Andersson P, Abe M, Iwamoto H, Gao Y, Wang X, Fong GH, Cao Y (February 2018). "Ablation of endothelial VEGFR1 improves metabolic dysfunction by inducing adipose tissue browning". The Journal of Experimental Medicine. 215 (2): 611–626. doi:10.1084/jem.20171012. PMC 5789413. PMID 29305395.
  8. ^ Glubb DM, Paré-Brunet L, Jantus-Lewintre E, Jiang C, Crona D, Etheridge AS, Mirza O, Zhang W, Seiser EL, Rzyman W, Jassem J, Auman T, Hirsch FR, Owzar K, Camps C, Dziadziuszko R, Innocenti F (July 2015). "Functional FLT1 Genetic Variation is a Prognostic Factor for Recurrence in Stage I-III Non-Small-Cell Lung Cancer". Journal of Thoracic Oncology. 10 (7): 1067–75. doi:10.1097/JTO.0000000000000549. PMC 4494119. PMID 26134224.
  9. ^ Cunningham SA, Arrate MP, Brock TA, Waxham MN (November 1997). "Interactions of FLT-1 and KDR with phospholipase C gamma: identification of the phosphotyrosine binding sites". Biochemical and Biophysical Research Communications. 240 (3): 635–9. doi:10.1006/bbrc.1997.7719. PMID 9398617.
  10. ^ Olofsson B, Korpelainen E, Pepper MS, Mandriota SJ, Aase K, Kumar V, Gunji Y, Jeltsch MM, Shibuya M, Alitalo K, Eriksson U (September 1998). "Vascular endothelial growth factor B (VEGF-B) binds to VEGF receptor-1 and regulates plasminogen activator activity in endothelial cells". Proceedings of the National Academy of Sciences of the United States of America. 95 (20): 11709–14. doi:10.1073/pnas.95.20.11709. PMC 21705. PMID 9751730.
  11. ^ Makinen T, Olofsson B, Karpanen T, Hellman U, Soker S, Klagsbrun M, Eriksson U, Alitalo K (July 1999). "Differential binding of vascular endothelial growth factor B splice and proteolytic isoforms to neuropilin-1". The Journal of Biological Chemistry. 274 (30): 21217–22. doi:10.1074/jbc.274.30.21217. PMID 10409677.

Further reading[edit]