Human Phenotype Ontology 
Grandparent Node:
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Abnormality of T cell physiology (HP:0011840)help
Parent Node:
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Abnormal T cell activation (HP:0410035)help
..Starting node
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Decreased T cell activation (HP:0005419)help
Term ID: 5419
Name: Decreased T cell activation
Synonym: Decreased T lymphocyte activation; Decreased T-cell activation; Decreased T-lymphocyte activation; Defective T cell activation; Profound depletion of T4+ lymphocytes
Definition: Decreased or impaired activation of T cells in response to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.
Comments:
Reference: HP:0005419
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAbnormal CD25 upregulation upon TCR activation (HP:0031269) help
..expandAbnormal CD69 upregulation upon TCR activation (HP:0031267) help


Genes (8) :CARMIL2 CASP8 CD40LG EPG5 LEP LEPR MAGT1 TGFB1

Diseases (8) :OMIM:618131 OMIM:607271 OMIM:308230 OMIM:242840 ORPHA:66628 ORPHA:179494 OMIM:300853 OMIM:618213
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.