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Platelet-derived growth factor alpha polypeptide
External IDs OMIM173430 MGI97527 HomoloGene32055 GeneCards: PDGFA Gene
RNA expression pattern
PBB GE PDGFA 205463 s at tn.png
PBB GE PDGFA 216867 s at tn.png
More reference expression data
Species Human Mouse
Entrez 5154 18590
Ensembl ENSG00000197461 ENSMUSG00000025856
UniProt P04085 Q7TPH7
RefSeq (mRNA) XM_001126441 NM_008808
RefSeq (protein) XP_001126441 NP_032834
Location (UCSC) Chr 7:
0.5 - 0.53 Mb
Chr 5:
139.23 - 139.25 Mb
PubMed search [1] [2]

Platelet-derived growth factor subunit A is a protein that in humans is encoded by the PDGFA gene.[1][2]

The protein encoded by this gene is a member of the platelet-derived growth factor family. The four members of this family are mitogenic factors for cells of mesenchymal origin and are characterized by a motif of eight cysteines. This gene product can exist either as a homodimer or as a heterodimer with the platelet-derived growth factor beta polypeptide, where the dimers are connected by disulfide bonds. Studies using knockout mice have shown cellular defects in oligodendrocytes, alveolar smooth muscle cells, and Leydig cells in the testis; knockout mice die either as embryos or shortly after birth. Two splice variants have been identified for this gene.[3]


  1. ^ Stenman G, Rorsman F, Huebner K, Betsholtz C (Sep 1992). "The human platelet-derived growth factor alpha chain (PDGFA) gene maps to chromosome 7p22". Cytogenet Cell Genet 60 (3-4): 206-7. PMID 1505216.  
  2. ^ Matsui T, Heidaran M, Miki T, Popescu N, La Rochelle W, Kraus M, Pierce J, Aaronson S (Mar 1989). "Isolation of a novel receptor cDNA establishes the existence of two PDGF receptor genes". Science 243 (4892): 800-4. PMID 2536956.  
  3. ^ "Entrez Gene: PDGFA platelet-derived growth factor alpha polypeptide".  

Further reading

  • Nath K, Gogi R, Khan AA, Hameed S (1978). "Vascular hamartoma and vascular tumours of orbit.". Indian journal of ophthalmology 25 (1): 18–23. PMID 612586.  
  • Ishibashi T, Bottaro DP, Chan A, et al. (1993). "Expression cloning of a human dual-specificity phosphatase.". Proc. Natl. Acad. Sci. U.S.A. 89 (24): 12170–4. doi:10.1073/pnas.89.24.12170. PMID 1281549.  
  • Raines EW, Lane TF, Iruela-Arispe ML, et al. (1992). "The extracellular glycoprotein SPARC interacts with platelet-derived growth factor (PDGF)-AB and -BB and inhibits the binding of PDGF to its receptors.". Proc. Natl. Acad. Sci. U.S.A. 89 (4): 1281–5. doi:10.1073/pnas.89.4.1281. PMID 1311092.  
  • Andersson M, Ostman A, Bäckström G, et al. (1992). "Assignment of interchain disulfide bonds in platelet-derived growth factor (PDGF) and evidence for agonist activity of monomeric PDGF.". J. Biol. Chem. 267 (16): 11260–6. PMID 1317862.  
  • Rorsman F, Leveen P, Betsholtz C (1993). "Platelet-derived growth factor (PDGF) A-chain mRNA heterogeneity generated by the use of alternative promoters and alternative polyadenylation sites.". Growth Factors 7 (3): 241–51. doi:10.3109/08977199209046928. PMID 1360804.  
  • Wang Z, Lin XH, Qiu QQ, Deuel TF (1992). "Modulation of transcription of the platelet-derived growth factor A-chain gene by a promoter region sensitive to S1 nuclease.". J. Biol. Chem. 267 (24): 17022–31. PMID 1512241.  
  • Bonthron D, Collins T, Grzeschik KH, et al. (1992). "Platelet-derived growth factor A chain: confirmation of localization of PDGFA to chromosome 7p22 and description of an unusual minisatellite.". Genomics 13 (2): 257–63. doi:10.1016/0888-7543(92)90240-S. PMID 1612586.  
  • Takimoto Y, Wang ZY, Kobler K, Deuel TF (1991). "Promoter region of the human platelet-derived growth factor A-chain gene.". Proc. Natl. Acad. Sci. U.S.A. 88 (5): 1686–90. doi:10.1073/pnas.88.5.1686. PMID 1848007.  
  • Fabisiak JP, Evans JN, Absher M, et al. (1991). "Expression of platelet-derived growth factor A-chain (PDGF-A) mRNA in lung tissue and cells. Complex regulation during remodeling.". Chest 99 (3 Suppl): 52S–54S. doi:10.1378/chest.99.3_Supplement.52S. PMID 1997274.  
  • Mendoza AE, Young R, Orkin SH, Collins T (1990). "Increased platelet-derived growth factor A-chain expression in human uterine smooth muscle cells during the physiologic hypertrophy of pregnancy.". Proc. Natl. Acad. Sci. U.S.A. 87 (6): 2177–81. doi:10.1073/pnas.87.6.2177. PMID 2315311.  
  • Claesson-Welsh L, Eriksson A, Westermark B, Heldin CH (1989). "cDNA cloning and expression of the human A-type platelet-derived growth factor (PDGF) receptor establishes structural similarity to the B-type PDGF receptor.". Proc. Natl. Acad. Sci. U.S.A. 86 (13): 4917–21. doi:10.1073/pnas.86.13.4917. PMID 2544881.  
  • Rorsman F, Bywater M, Knott TJ, et al. (1988). "Structural characterization of the human platelet-derived growth factor A-chain cDNA and gene: alternative exon usage predicts two different precursor proteins.". Mol. Cell. Biol. 8 (2): 571–7. PMID 2832727.  
  • Beckmann MP, Betsholtz C, Heldin CH, et al. (1988). "Comparison of biological properties and transforming potential of human PDGF-A and PDGF-B chains.". Science 241 (4871): 1346–9. doi:10.1126/science.2842868. PMID 2842868.  
  • Bonthron DT, Morton CC, Orkin SH, Collins T (1988). "Platelet-derived growth factor A chain: gene structure, chromosomal location, and basis for alternative mRNA splicing.". Proc. Natl. Acad. Sci. U.S.A. 85 (5): 1492–6. doi:10.1073/pnas.85.5.1492. PMID 3422746.  
  • Tong BD, Auer DE, Jaye M, et al. (1987). "cDNA clones reveal differences between human glial and endothelial cell platelet-derived growth factor A-chains.". Nature 328 (6131): 619–21. doi:10.1038/328619a0. PMID 3614363.  
  • Collins T, Bonthron DT, Orkin SH (1987). "Alternative RNA splicing affects function of encoded platelet-derived growth factor A chain.". Nature 328 (6131): 621–4. doi:10.1038/328621a0. PMID 3614364.  
  • Hoppe J, Schumacher L, Eichner W, Weich HA (1987). "The long 3'-untranslated regions of the PDGF-A and -B mRNAs are only distantly related.". FEBS Lett. 223 (2): 243–6. doi:10.1016/0014-5793(87)80297-1. PMID 3666150.  
  • Betsholtz C, Johnsson A, Heldin CH, et al. (1986). "cDNA sequence and chromosomal localization of human platelet-derived growth factor A-chain and its expression in tumour cell lines.". Nature 320 (6064): 695–9. doi:10.1038/320695a0. PMID 3754619.  
  • Takimoto Y, Li WY, Wang ZY, et al. (1993). "Nucleotide sequence of the 5' region of the human platelet-derived growth factor A-chain gene.". Hiroshima J. Med. Sci. 42 (1): 47–52. PMID 8486521.  


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