Human Phenotype Ontology 
Grandparent Node:
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Lymphopenia (HP:0001888)help
Parent Node:
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T lymphocytopenia (HP:0005403)help
..Starting node
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Decreased proportion of CD4-positive helper T cells (HP:0005407)help
Term ID: 5407
Name: Decreased proportion of CD4-positive helper T cells
Synonym: Abnormality of CD4+ T cells; CD4 T cell lymphopenia; CD4+ T-cell lymphopenia
Definition: A decreased proportion of circulating CD4-positive helper T cells relative to total T cell count.
Comments:
Reference: HP:0005407
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandDecreased helper T cell proportion (HP:0008165) help
..expandDecreased proportion of CD3-positive T cells (HP:0045080) help
..expandDecreased proportion of CD8-positive T cells (HP:0005415) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0ATM CL E G H472795OMIM:208900ATAXIA-TELANGIECTASIA.3267
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0CASP10 CL E G H8431500ORPHA:3261Autoimmune lymphoproliferative syndromeHP:0040283 - Occasional87
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0CIITA CL E G H42617067ORPHA:572Immunodeficiency by defective expression of MHC class IIHP:0040282 - Frequent118
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0DOCK8 CL E G H8170419191OMIM:243700Hyper-Ige recurrent infection syndrome, autosomal recessive217
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0EPG5 CL E G H5772429331OMIM:242840Vici syndrome.40
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0EXTL3 CL E G H21373518ORPHA:508533Skeletal dysplasia-T-cell immunodeficiency-developmental delay syndromeHP:0040283 - Occasional3
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0FAS CL E G H35511920ORPHA:3261Autoimmune lymphoproliferative syndromeHP:0040283 - Occasional59
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0FASLG CL E G H35611936ORPHA:3261Autoimmune lymphoproliferative syndromeHP:0040283 - Occasional37
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0IKBKB CL E G H35515960OMIM:618204IMMUNODEFICIENCY 15A; IMD15A4
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0IL2RG CL E G H35616010OMIM:312863Combined immunodeficiency, X-linked.48
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0IL2RG CL E G H35616010ORPHA:276T-B+ severe combined immunodeficiency due to gamma chain deficiencyHP:0040281 - Very frequent48
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0IL7R CL E G H35756024ORPHA:169154T-B+ severe combined immunodeficiency due to IL-7Ralpha deficiencyHP:0040282 - Frequent94
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0ITK CL E G H37026171OMIM:613011LYMPHOPROLIFERATIVE SYNDROME 1; LPFS151
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0IVNS1ABP CL E G H1062516951OMIM:618969IMMUNODEFICIENCY 70; IMD70
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0KNSTRN CL E G H9041730767ORPHA:221139Combined immunodeficiency with faciooculoskeletal anomaliesHP:0040282 - Frequent1
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0LCK CL E G H39326524OMIM:615758Immunodeficiency 22.1
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0LEP CL E G H39526553ORPHA:66628Obesity due to congenital leptin deficiencyHP:0040281 - Very frequent47
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0LEPR CL E G H39536554ORPHA:179494Obesity due to leptin receptor gene deficiencyHP:0040281 - Very frequent46
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0MAGT1 CL E G H8406128880OMIM:300853IMMUNODEFICIENCY, X-LINKED, WITH MAGNESIUM DEFECT, EPSTEIN-BARR VIRUS INFECTION, AND NEOPLASIA; XMEN17
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0MYC CL E G H46097553ORPHA:543Burkitt lymphomaHP:0040283 - Occasional11
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0NSMCE3 CL E G H561607677OMIM:617241LUNG DISEASE, IMMUNODEFICIENCY, AND CHROMOSOME BREAKAGE SYNDROME; LICS2
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0PGM3 CL E G H52388907ORPHA:443811PGM3-CDGHP:0040281 - Very frequent15
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0PIK3CD CL E G H52938977ORPHA:221139Combined immunodeficiency with faciooculoskeletal anomaliesHP:0040282 - Frequent9
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0PRKCD CL E G H55809399ORPHA:3261Autoimmune lymphoproliferative syndromeHP:0040283 - Occasional10
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0RASGRP1 CL E G H101259878ORPHA:3261Autoimmune lymphoproliferative syndromeHP:0040283 - Occasional
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0RFX5 CL E G H59939986ORPHA:572Immunodeficiency by defective expression of MHC class IIHP:0040282 - Frequent38
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0RFXANK CL E G H86259987ORPHA:572Immunodeficiency by defective expression of MHC class IIHP:0040282 - Frequent26
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0RFXAP CL E G H59949988ORPHA:572Immunodeficiency by defective expression of MHC class IIHP:0040282 - Frequent34
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0SASH3 CL E G H5444015975OMIM:3010821
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0TOM1 CL E G H1004311982OMIM:619510IMMUNODEFICIENCY 85 AND AUTOIMMUNITY; IMD85
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0UNC119 CL E G H909412565OMIM:615518IMMUNODEFICIENCY 13; IMD1330
HP:0005407HP:0005407Decreased proportion of CD4-positive helper T cells0WAS CL E G H745412731OMIM:301000Wiskott-Aldrich syndrome65


Genes (31) :ATM CASP10 CIITA DOCK8 EPG5 EXTL3 FAS FASLG IKBKB IL2RG IL7R ITK IVNS1ABP KNSTRN LCK LEP LEPR MAGT1 MYC NSMCE3 PGM3 PIK3CD PRKCD RASGRP1 RFX5 RFXANK RFXAP SASH3 TOM1 UNC119 WAS

Diseases (24) :OMIM:208900 ORPHA:3261 ORPHA:572 OMIM:243700 OMIM:242840 ORPHA:508533 OMIM:618204 OMIM:312863 ORPHA:276 ORPHA:169154 OMIM:613011 OMIM:618969 ORPHA:221139 OMIM:615758 ORPHA:66628 ORPHA:179494 OMIM:300853 ORPHA:543 OMIM:617241 ORPHA:443811 OMIM:301082 OMIM:619510 OMIM:615518 OMIM:301000
 

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