Seroatlas · Human Serome Atlas

PGF

Placenta growth factor

Also known as: D12S1900, PGFL, PIGF, PLGF, PLGF_HUMAN, PlGF-2, SHGC-10760

Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene

Protein identityUniProt · HPA

UniProt accession
P49763
Gene
PGF
Ensembl
ENSG00000119630
Chromosome
14
Canonical length
221 aa
Protein class
Cancer-related genes, Candidate cardiovascular disease genes, FDA approved drug targets, Plasma proteins, Predicted secreted proteins, RAS pathway related proteins
Subcellular location
Nucleoplasm,Mitochondria,Cytosol
Secretome location
Secreted to blood
Quaternary structure
Homodimer

OverviewNCBI Gene

Enables growth factor activity. Involved in positive regulation of cell population proliferation. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Implicated in several diseases, including brain ischemia; diabetic neuropathy; glioblastoma; myocardial infarction; and pancreatic endocrine carcinoma. Biomarker of several diseases, including artery disease (multiple); autoimmune disease of musculoskeletal system (multiple); epilepsy (multiple); limited scleroderma; and pancreatic endocrine carcinoma. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

221 residues, UniProt reviewed canonical sequence.

>P49763|PGF
     1  MPVMRLFPCF LQLLAGLALP AVPPQQWALS AGNGSSEVEV VPFQEVWGRS YCRALERLVD
    61  VVSEYPSEVE HMFSPSCVSL LRCTGCCGDE NLHCVPVETA NVTMQLLKIR SGDRPSYVEL
   121  TFSQHVRCEC RHSPGRQSPD MPGDFRADAP SFLPPRRSLP MLFRMEWGCA LTGSQSAVWP
   181  SSPVPEEIPR MHPGRNGKKQ QRKPLREKMK PERCGDAVPR R

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against PGF can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.

Antibody reachability
Secreted
Secreted
Yes
Transmembrane segments
0
Mean surface accessibility (rSASA)
0.55
Highest tissue expression
67 nTPM

Expression across tissuesHPA

Tissue

  • blood vessel: 67 nTPM
  • thyroid gland: 50 nTPM
  • choroid plexus: 49 nTPM
  • placenta: 48 nTPM
  • cervix: 27 nTPM
  • fallopian tube: 22 nTPM

Single-cell type

  • syncytiotrophoblasts: 2,809 nCPM
  • extravillous trophoblasts: 2,361 nCPM
  • migrating cytotrophoblasts: 347 nCPM
  • vascular smooth muscle cells: 105 nCPM
  • cytotrophoblasts: 59 nCPM
  • pericytes: 51 nCPM

Immune cell

  • gdT-cell: 0.4 nTPM
  • eosinophil: 0.2 nTPM
  • intermediate monocyte: 0.1 nTPM
  • memory B-cell: 0.1 nTPM
  • memory CD8 T-cell: 0.1 nTPM
  • naive CD4 T-cell: 0.1 nTPM

Brain region

  • hypothalamus: 34 nTPM
  • choroid plexus: 32 nTPM
  • midbrain: 21 nTPM
  • cerebral cortex: 9.4 nTPM
  • medulla oblongata: 8.4 nTPM
  • pons: 8.1 nTPM

ReferencesPubMed · IEDB

Publications for PGF from three distinct lines of evidence, kept separate because they answer different questions: whether antibodies are directed at the protein, whether a B-cell epitope has been mapped on it, and whether a T-cell epitope has. Each is labelled with its source.

Sources: PubMed — antigen-level antibody evidence from a custom retrieval. Records matching a controlled set of autoantibody terms (the MeSH descriptors Autoantibodies and Autoantigens, with title and abstract term variants) were obtained through NCBI E-utilities, and their titles and abstracts parsed for constructions that direct an antibody at a named protein rather than for co-occurrence. Captured names were resolved against UniProt nomenclature and each antigen adjudicated individually against the source text. Bibliographic records from PubMed and MeSH, U.S. National Library of Medicine; citation metrics from NIH iCite (Hutchins et al., PLoS Biology 2016). Titles link to PubMed; abstracts are not reproduced here. The NLM does not endorse this analysis.

Genetic constraint and essentialitygnomAD · DepMap

Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.

gnomAD LOEUF (loss-of-function intolerance)
0.8
gnomAD pLI
0.13
gnomAD missense Z
0.08
DepMap mean gene effect
0.04
DepMap dependency class
none

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).

OntologyGO

Biological processes

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of PGF in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads PGF as an antibody target. Whether an autoantibody or antibody against PGF could matter depends on whether native PGF is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

PGF is annotated as secreted, so native PGF circulates and is directly accessible to antibodies. Secreted and cell-surface proteins are the autoantibody targets most likely to act like drugs, blocking or depleting the native protein.

Source-annotated serology context

The source annotations explicitly mention antibody, autoantibody, autoantigen, or autoimmune context. This is biological context, not study-specific reactivity.

  • Biomarker of several diseases, including artery disease (multiple); autoimmune disease of musculoskeletal system (multiple); epilepsy (multiple); limited scleroderma; and pancreatic endocrine carcinoma.

Canonical record: https://seroatlas.com/gene/PGF. Study-independent annotations aggregated from UniProt, Human Protein Atlas, PubMed, IEDB, Pfam, InterPro, Gene Ontology, AlphaFold, gnomAD, DepMap, ClinVar, TCGA. Catalog release seroatlas-reviewed-human-uniprot-20260313.

Seroatlas is the reference for exploring autoantibody and antibody serology at the human-protein level: the autoreactome and human serome, multiplex serology (HuProt, HuScan, VirScan, PhIP-Seq).

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