Rare diseases · Sign or symptom

Decreased CD4+ memory T cell proportion

HP:0410386

What it means

Decresaed proportion of CD4-positive, alpha-beta memory T cells compared to the total number of T cells in the blood. These cells have the phenotype of CD45RO-positive and CD127-positive. This cell type is also described as being CD25-negative, CD44-high, and CD122-high.

Part of the broader category

Also called: Decreased proportion of CD4-positive memory T cells

Decreased CD4+ memory T cell proportion

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.