Trait
Giant platelets
Giant platelets are larger than 7 micrometers and usually 10 to 20 micrometers. The term giant platelet is used when the platelet is larger than the size of the average red cell in the field. (Description adapted from College of American Pathologists, Hematology Manual, 1998).
Summary
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Get my Genome Test12 genes linked to Giant platelets
Changes in these genes cause rare conditions in which Giant platelets is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| ABCG8ATP binding cassette subfamily G member 8 | Always | In 2 conditions |
| GALEUDP-galactose-4-epimerase | Always | In 1 condition |
| ITGA2Bintegrin subunit alpha 2b | Always | In 1 condition |
| MYH9myosin heavy chain 9 | Always | In 2 conditions |
| GP1BAglycoprotein Ib platelet subunit alpha | Very often (80–99%) | In 2 conditions |
| GP1BBglycoprotein Ib platelet subunit beta | Very often (80–99%) | In 2 conditions |
| GP9glycoprotein IX platelet | Very often (80–99%) | In 2 conditions |
| SLC35A1solute carrier family 35 member A1 | Very often (80–99%) | In 1 condition |
| ABCG5ATP binding cassette subfamily G member 5 | Often (30–79%) | In 1 condition |
| COG1component of oligomeric golgi complex 1 | Often (30–79%) | In 1 condition |
| LBRlamin B receptor | Sometimes (5–29%) | In 1 condition |
| CD36CD36 molecule (CD36 blood group) | Not recorded | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
Broader traits
Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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